Geografic-Information-System/gui/wxpython/psmap/dialogs.py

"""!
@package psmap.dialogs

@brief Map feature objects and dialogs for wxPsMap

Classes:
 - dialogs::UnitConversion
 - dialogs::TCValidator
 - dialogs::PenStyleComboBox
 - dialogs::CheckListCtrl
 - dialogs::Instruction
 - dialogs::InstructionObject
 - dialogs::InitMap
 - dialogs::MapFrame
 - dialogs::PageSetup
 - dialogs::Mapinfo
 - dialogs::Text
 - dialogs::Image
 - dialogs::NorthArrow
 - dialogs::Scalebar
 - dialogs::RasterLegend
 - dialogs::VectorLegend
 - dialogs::Raster
 - dialogs::Vector
 - dialogs::VProperties
 - dialogs::PsmapDialog
 - dialogs::PageSetupDialog
 - dialogs::MapDialog
 - dialogs::MapFramePanel
 - dialogs::RasterPanel
 - dialogs::VectorPanel
 - dialogs::RasterDialog
 - dialogs::MainVectorDialog
 - dialogs::VPropertiesDialog
 - dialogs::LegendDialog
 - dialogs::MapinfoDialog
 - dialogs::ScalebarDialog
 - dialogs::TextDialog
 - dialogs::ImageDialog
 - dialogs::NorthArrowDialog

(C) 2011 by Anna Kratochvilova, and the GRASS Development Team

This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.

@author Anna Kratochvilova <kratochanna gmail.com> (bachelor's project)
@author Martin Landa <landa.martin gmail.com> (mentor)
"""

import os
import sys
import string
from math import ceil, floor, sin, cos, pi
from copy import deepcopy
from time import strftime, localtime
try:
    import Image as PILImage
    havePILImage = True
except ImportError:
    havePILImage = False

import wx
import wx.lib.scrolledpanel    as scrolled
import wx.lib.filebrowsebutton as filebrowse
from wx.lib.mixins.listctrl import CheckListCtrlMixin, ListCtrlAutoWidthMixin
from wx.lib.expando         import ExpandoTextCtrl, EVT_ETC_LAYOUT_NEEDED
try:
    import wx.lib.agw.floatspin as fs
except ImportError:
    fs = None

import grass.script as grass

from core             import globalvar
from dbmgr.vinfo      import VectorDBInfo
from core.utils       import CmdToTuple, GetCmdString
from gui_core.gselect import Select
from core.gcmd        import RunCommand, GError, GMessage, GWarning

# grass.set_raise_on_error(True)

PSMAP_COLORS = ['aqua', 'black', 'blue', 'brown', 'cyan', 'gray', 'grey', 'green', 'indigo',
                'magenta','orange', 'purple', 'red', 'violet', 'white', 'yellow']

class UnitConversion:
    """! Class for converting units"""
    def __init__(self, parent = None):
        self.parent = parent
        if self.parent:
            ppi = wx.PaintDC(self.parent).GetPPI()
        else: 
            ppi = (72, 72)
        self._unitsPage = { 'inch'          : {'val': 1.0, 'tr' : _("inch")},
                            'point'         : {'val': 72.0, 'tr' : _("point")},
                            'centimeter'    : {'val': 2.54, 'tr' : _("centimeter")},
                            'millimeter'    : {'val': 25.4, 'tr' : _("millimeter")}}
        self._unitsMap = {  'meters'        : {'val': 0.0254, 'tr' : _("meters")},
                            'kilometers'    : {'val': 2.54e-5, 'tr' : _("kilometers")},
                            'feet'          : {'val': 1./12, 'tr' : _("feet")},
                            'miles'         : {'val': 1./63360, 'tr' : _("miles")},
                            'nautical miles': {'val': 1/72913.386, 'tr' : _("nautical miles")}}

        self._units = { 'pixel'     : {'val': ppi[0], 'tr' : _("pixel")},
                        'meter'     : {'val': 0.0254, 'tr' : _("meter")},
                        'nautmiles' : {'val': 1/72913.386, 'tr' :_("nautical miles")},
                        'degrees'   : {'val': 0.0254 , 'tr' : _("degree")} #like 1 meter, incorrect
                        }
        self._units.update(self._unitsPage)
        self._units.update(self._unitsMap)

    def getPageUnitsNames(self):
        return sorted(self._unitsPage[unit]['tr'] for unit in self._unitsPage.keys())
    
    def getMapUnitsNames(self):
        return sorted(self._unitsMap[unit]['tr'] for unit in self._unitsMap.keys())
    
    def getAllUnits(self):
        return sorted(self._units.keys())
    
    def findUnit(self, name):
        """!Returns unit by its tr. string"""
        for unit in self._units.keys():
            if self._units[unit]['tr'] == name:
                return unit
        return None
    
    def findName(self, unit):
        """!Returns tr. string of a unit"""
        try:
            return self._units[unit]['tr']
        except KeyError:
            return None
    
    def convert(self, value, fromUnit = None, toUnit = None):
        return float(value)/self._units[fromUnit]['val']*self._units[toUnit]['val']
    
    
class TCValidator(wx.PyValidator):
    """!validates input in textctrls, combobox, taken from wxpython demo"""
    def __init__(self, flag = None):
        wx.PyValidator.__init__(self)
        self.flag = flag
        self.Bind(wx.EVT_CHAR, self.OnChar)

    def Clone(self):
        return TCValidator(self.flag)

    def Validate(self, win):
        
        tc = self.GetWindow()
        val = tc.GetValue()

        if self.flag == 'DIGIT_ONLY':
            for x in val:
                if x not in string.digits:
                    return False
        return True

    def OnChar(self, event):
        key = event.GetKeyCode()
        if key < wx.WXK_SPACE or key == wx.WXK_DELETE or key > 255:
            event.Skip()
            return
        if self.flag == 'DIGIT_ONLY' and chr(key) in string.digits + '.':
            event.Skip()
            return
##        if self.flag == 'SCALE' and chr(key) in string.digits + ':':
##            event.Skip()
##            return
        if self.flag == 'ZERO_AND_ONE_ONLY' and chr(key) in '01':
            event.Skip()
            return
        if not wx.Validator_IsSilent():
            wx.Bell()
        # Returning without calling even.Skip eats the event before it
        # gets to the text control
        return  


class PenStyleComboBox(wx.combo.OwnerDrawnComboBox):
    """!Combo for selecting line style, taken from wxpython demo"""

    # Overridden from OwnerDrawnComboBox, called to draw each
    # item in the list
    def OnDrawItem(self, dc, rect, item, flags):
        if item == wx.NOT_FOUND:
            # painting the control, but there is no valid item selected yet
            return

        r = wx.Rect(*rect)  # make a copy
        r.Deflate(3, 5)

        penStyle = wx.SOLID
        if item == 1:
            penStyle = wx.LONG_DASH
        elif item == 2:
            penStyle = wx.DOT
        elif item == 3:
            penStyle = wx.DOT_DASH

        pen = wx.Pen(dc.GetTextForeground(), 3, penStyle)
        dc.SetPen(pen)

        # for painting the items in the popup
        dc.DrawText(self.GetString(item ),
                    r.x + 3,
                    (r.y + 0) + ((r.height/2) - dc.GetCharHeight() )/2
                    )
        dc.DrawLine(r.x+5, r.y+((r.height/4)*3)+1, r.x+r.width - 5, r.y+((r.height/4)*3)+1 )

        
    def OnDrawBackground(self, dc, rect, item, flags):
        """!Overridden from OwnerDrawnComboBox, called for drawing the
        background area of each item."""
        # If the item is selected, or its item # iseven, or we are painting the
        # combo control itself, then use the default rendering.
        if (item & 1 == 0 or flags & (wx.combo.ODCB_PAINTING_CONTROL |
                                      wx.combo.ODCB_PAINTING_SELECTED)):
            wx.combo.OwnerDrawnComboBox.OnDrawBackground(self, dc, rect, item, flags)
            return

        # Otherwise, draw every other background with different colour.
        bgCol = wx.Colour(240,240,250)
        dc.SetBrush(wx.Brush(bgCol))
        dc.SetPen(wx.Pen(bgCol))
        dc.DrawRectangleRect(rect);

    def OnMeasureItem(self, item):
        """!Overridden from OwnerDrawnComboBox, should return the height
        needed to display an item in the popup, or -1 for default"""
        return 30

    def OnMeasureItemWidth(self, item):
        """!Overridden from OwnerDrawnComboBox.  Callback for item width, or
        -1 for default/undetermined"""
        return -1; # default - will be measured from text width  
    
    
class CheckListCtrl(wx.ListCtrl, CheckListCtrlMixin, ListCtrlAutoWidthMixin):
    """!List control for managing order and labels of vector maps in legend"""
    def __init__(self, parent):
        wx.ListCtrl.__init__(self, parent, id = wx.ID_ANY, 
                             style = wx.LC_REPORT|wx.LC_SINGLE_SEL|wx.BORDER_SUNKEN|wx.LC_VRULES|wx.LC_HRULES)
        CheckListCtrlMixin.__init__(self) 
        ListCtrlAutoWidthMixin.__init__(self)
        
class Instruction:
    """!Class which represents instruction file"""
    def __init__(self, parent, objectsToDraw):
        
        self.parent = parent
        self.objectsToDraw = objectsToDraw
        #here are kept objects like mapinfo, rasterlegend, etc.
        self.instruction = list()
        
    def __str__(self):
        """!Returns text for instruction file"""
        comment = "# timestamp: " + strftime("%Y-%m-%d %H:%M", localtime()) + '\n'
        env = grass.gisenv()
        comment += "# location: %s\n" % env['LOCATION_NAME']
        comment += "# mapset: %s\n" % env['MAPSET']
        comment += "# page orientation: %s\n" % self.FindInstructionByType('page')['Orientation']
        border = ''
        if not self.FindInstructionByType('map'):
            border = 'border n\n'
        text = [str(each) for each in self.instruction]
        return comment + border + '\n'.join(text) + '\nend'
    
    def __getitem__(self, id):
        for each in self.instruction:
            if each.id == id:
                return each
        return None

    def __contains__(self, id):
        """!Test if instruction is included"""
        for each in self.instruction:
            if each.id == id:
                return True
        return False
    
    def __delitem__(self, id):
        """!Delete instruction"""
        for each in self.instruction:
            if each.id == id:
                if each.type == 'map':
                    #must remove raster, vector layers too
                    vektor = self.FindInstructionByType('vector', list = True)
                    vProperties = self.FindInstructionByType('vProperties', list = True)
                    raster = self.FindInstructionByType('raster', list = True)
                    for item in vektor + vProperties + raster:
                        if item in self.instruction:
                            self.instruction.remove(item)
                            
                self.instruction.remove(each)
                if id in self.objectsToDraw:
                    self.objectsToDraw.remove(id)
                return
            
    def AddInstruction(self, instruction):
        """!Add instruction"""
        # add to instructions
        if instruction.type == 'map':
            self.instruction.insert(0, instruction)
        else:
            self.instruction.append(instruction)
        # add to drawable objects
        if instruction.type not in ('page', 'raster', 'vector', 'vProperties', 'initMap'):
            if instruction.type == 'map':
                self.objectsToDraw.insert(0, instruction.id) 
            else:
                self.objectsToDraw.append(instruction.id) 
                
            
    def FindInstructionByType(self, type, list = False):
        """!Find instruction(s) with the given type"""
        inst = []
        for each in self.instruction:
            if each.type == type:
                inst.append(each)
        if len(inst) == 1 and not list:
            return inst[0]
        return inst
    
    def Read(self, filename):
        """!Reads instruction file and creates instruction objects"""
        self.filename = filename
        # open file
        try:
            file = open(filename, 'r')
        except IOError:
            GError(message = _("Unable to open file\n%s") % filename)
            return
        # first read file to get information about region and scaletype
        isRegionComment = False
        orientation = 'Portrait'
        for line in file:
            if '# g.region' in line:
                self.SetRegion(regionInstruction = line)
                isRegionComment = True
                break
            if '# page orientation' in line:
                orientation = line.split(':')[-1].strip()
                
        if not isRegionComment:
            self.SetRegion(regionInstruction = None)
        # then run ps.map -b to get information for maploc
        # compute scale and center 
        map = self.FindInstructionByType('map')
        region = grass.region()
        map['center'] = (region['n'] + region['s']) / 2, (region['w'] + region['e']) / 2
        mapRect = GetMapBounds(self.filename, portrait = (orientation == 'Portrait'))
        map['rect'] = mapRect
        proj = projInfo()
        toM = 1.0
        if proj['units']:
            toM = float(proj['meters'])
        units = UnitConversion(self.parent)
        w = units.convert(value = mapRect.Get()[2], fromUnit = 'inch', toUnit = 'meter') / toM
        map['scale'] = w / abs((region['w'] - region['e']))
        
        SetResolution(dpi = 300, width = map['rect'].width, height = map['rect'].height)
        
        # read file again, now with information about map bounds
        isBuffer = False
        buffer = []
        instruction = None
        vectorMapNumber = 1
        file.seek(0)
        for line in file:
            if not line.strip(): 
                continue
            line = line.strip()
            if isBuffer:
                buffer.append(line)
                if 'end' in line:
                    isBuffer = False
                    kwargs = {}
                    if instruction == 'scalebar':
                        kwargs['scale'] = map['scale']
                    elif instruction in ('text', 'eps'):
                        kwargs['mapInstruction'] = map
                    elif instruction in ('vpoints', 'vlines', 'vareas'):
                        kwargs['id'] = wx.NewId()
                        kwargs['vectorMapNumber'] = vectorMapNumber
                        vectorMapNumber += 1
                    elif instruction == 'paper':
                        kwargs['Orientation'] = orientation
                        
                    ok = self.SendToRead(instruction, buffer, **kwargs)
                    if not ok: return False
                    buffer = []
                continue 
            
            elif line.startswith('paper'):
                instruction = 'paper'
                isBuffer = True
                buffer.append(line)
            
            elif line.startswith('border'):
                if line.split()[1].lower() in ('n', 'no', 'none'):
                    ok = self.SendToRead('border', [line])
                    if not ok: return False
                elif line.split()[1].lower() in ('y', 'yes'):
                    instruction = 'border'
                    isBuffer = True
                    buffer.append(line)
            
            elif line.startswith('scale '):
                if isBuffer:
                    continue
                ok = self.SendToRead('scale', line, isRegionComment = isRegionComment)
                if not ok: return False
            
            elif line.startswith('maploc'):
                ok = self.SendToRead(instruction = 'maploc', text = line)
                if not ok: return False
                
            elif line.startswith('raster'):
                ok = self.SendToRead(instruction = 'raster', text = line)
                if not ok: return False
            
            elif line.startswith('mapinfo'):
                instruction = 'mapinfo'
                isBuffer = True
                buffer.append(line)


            elif line.startswith('scalebar'):
                instruction = 'scalebar'
                isBuffer = True
                buffer.append(line) 
            
            elif line.startswith('text'):
                instruction = 'text'
                isBuffer = True
                buffer.append(line)
                
            elif line.startswith('eps'):
                instruction = 'eps'
                isBuffer = True
                buffer.append(line) 
            
            elif line.startswith('colortable'):
                if len(line.split()) == 2 and line.split()[1].lower() in ('n', 'no', 'none'):
                    break
                instruction = 'colortable'
                isBuffer = True
                buffer.append(line) 
        
            elif line.startswith('vlegend'):
                instruction = 'vlegend'
                isBuffer = True
                buffer.append(line) 
                
            elif line.startswith('vpoints'):
                instruction = 'vpoints'
                isBuffer = True
                buffer.append(line) 
                
            elif line.startswith('vlines'):
                instruction = 'vlines'
                isBuffer = True
                buffer.append(line)
                
            elif line.startswith('vareas'):
                instruction = 'vareas'
                isBuffer = True
                buffer.append(line)


        
        rasterLegend = self.FindInstructionByType('rasterLegend')
        raster = self.FindInstructionByType('raster')
        page = self.FindInstructionByType('page')
        vector = self.FindInstructionByType('vector')
        vectorLegend = self.FindInstructionByType('vectorLegend')
        vectorMaps = self.FindInstructionByType('vProperties', list = True)

        # check (in case of scaletype 0) if map is drawn also
        map['drawMap'] = False
        if map['scaleType'] == 0:
            mapForRegion = map['map']
            if map['mapType'] == 'raster' and raster:
                if mapForRegion == raster['raster']:
                    map['drawMap'] = True
            elif map['mapType'] == 'vector' and vector:
                for vmap in vector['list']:
                    if mapForRegion == vmap[0]:
                        map['drawMap'] = True

        # rasterLegend
        if rasterLegend:
            if rasterLegend['rasterDefault'] and raster:
                rasterLegend['raster'] = raster['raster']
                if not rasterLegend['discrete']:
                    rasterType = getRasterType(map = rasterLegend['raster'])
                    if rasterType == 'CELL':
                        rasterLegend['discrete'] = 'y'
                    else:
                        rasterLegend['discrete'] = 'n'
            
            #estimate size
            height = rasterLegend.EstimateHeight(raster = rasterLegend['raster'], discrete = rasterLegend['discrete'], 
                                                 fontsize = rasterLegend['fontsize'],
                                                 cols = rasterLegend['cols'], 
                                                 height = rasterLegend['height'])
            width = rasterLegend.EstimateWidth(raster = rasterLegend['raster'], discrete = rasterLegend['discrete'], 
                                               fontsize = rasterLegend['fontsize'],
                                               cols = rasterLegend['cols'] , 
                                               width = rasterLegend['width'],
                                               paperInstr = page)
            rasterLegend['rect'] = wx.Rect2D(x = float(rasterLegend['where'][0]), y = float(rasterLegend['where'][1]),
                                             w = width, h = height)
            
        # vectors, vlegend        
        
        if vector:
            for vmap in vectorMaps:
                for i, each in enumerate(vector['list']):
                    if each[2] == vmap.id:
                        
                        vector['list'][i][4] = vmap['label']
                        vector['list'][i][3] = vmap['lpos']
            if vectorLegend:
                size = vectorLegend.EstimateSize(vectorInstr = vector, fontsize = vectorLegend['fontsize'],
                                                 width = vectorLegend['width'], cols = vectorLegend['cols'])                            
                vectorLegend['rect'] = wx.Rect2D(x = float(vectorLegend['where'][0]), y = float(vectorLegend['where'][1]),
                                                 w = size[0], h = size[1])
        
        
        page = self.FindInstructionByType('page')
        if not page:
            page = PageSetup(wx.NewId())
            self.AddInstruction(page)
        else:
            page['Orientation'] = orientation


        #
        return True
    
    def SendToRead(self, instruction, text, **kwargs):
        psmapInstrDict = dict(paper = ['page'],
                              maploc = ['map'],
                              scale = ['map'],
                              border = ['map'],
                              raster = ['raster'],
                              mapinfo = ['mapinfo'],
                              scalebar = ['scalebar'],
                              text = ['text'],
                              eps = ['image', 'northArrow'],
                              vpoints = ['vector', 'vProperties'],
                              vlines = ['vector', 'vProperties'],
                              vareas = ['vector', 'vProperties'],
                              colortable = ['rasterLegend'],
                              vlegend = ['vectorLegend']
                              )
        
        myInstrDict = dict(page = PageSetup,
                           map = MapFrame,
                           raster = Raster,
                           mapinfo = Mapinfo,
                           scalebar = Scalebar,
                           text = Text,
                           image = Image,
                           northArrow = NorthArrow,
                           rasterLegend = RasterLegend,
                           vectorLegend = VectorLegend,
                           vector = Vector,
                           vProperties = VProperties
                           )
        
        myInstruction = psmapInstrDict[instruction]
        
        for i in myInstruction:
            instr = self.FindInstructionByType(i)
            if i in ('text', 'vProperties', 'image', 'northArrow') or not instr:
                
                id = wx.NewId() #!vProperties expect subtype
                if i == 'vProperties':
                    id = kwargs['id']
                    newInstr = myInstrDict[i](id, subType = instruction[1:])
                elif i in ('image', 'northArrow'):
                    commentFound = False
                    for line in text:
                        if line.find("# north arrow") >= 0:
                            commentFound = True
                    if i == 'image' and commentFound or \
                       i == 'northArrow' and not commentFound:
                        continue
                    newInstr = myInstrDict[i](id, settings = self)
                else:
                    newInstr = myInstrDict[i](id)
                ok = newInstr.Read(instruction, text, **kwargs)
                if ok:
                    self.AddInstruction(newInstr)
                else:
                    return False

            else:
                ok = instr.Read(instruction, text, **kwargs)

                if not ok:
                    return False
        return True
    
    def SetRegion(self, regionInstruction):
        """!Sets region from file comment or sets current region in case of no comment"""
        map = MapFrame(wx.NewId())
        self.AddInstruction(map)
        if regionInstruction:
            cmd = CmdToTuple(regionInstruction.strip('# ').split())
            
            # define scaleType
            if len(cmd[1]) <= 3:
                if 'rast' in cmd[1]:
                    map['scaleType'] = 0
                    map['mapType'] = 'raster'   
                    map['map'] = cmd[1]['rast']  
                elif 'vect' in cmd[1]:
                    map['scaleType'] = 0
                    map['mapType'] = 'vector' 
                    map['map'] = cmd[1]['vect']  
                elif 'region' in cmd[1]:
                    map['scaleType'] = 1  
                    map['region'] = cmd[1]['region']
                    
            else:
                map['scaleType'] = 2  
        else:
            map['scaleType'] = 2
            grass.del_temp_region()
            region = grass.region()
            grass.use_temp_region()    
            cmd = ['g.region', region]
        cmdString = GetCmdString(cmd).replace('g.region', '')
        GMessage(_("Instruction file will be loaded with following region: %s\n") % cmdString)
        try:
            RunCommand(cmd[0], **cmd[1])
            
        except grass.ScriptError, e:
            GError(_("Region cannot be set\n%s") % e)
            return False
        

class InstructionObject:
    """!Abtract class representing single instruction"""
    def __init__(self, id): 
        self.id = id
        
        # default values
        self.defaultInstruction = dict()
        # current values
        self.instruction = self.defaultInstruction   
        # converting units
        self.unitConv = UnitConversion() 
    
    def __str__(self):
        """!Returns particular part of text instruction"""
        return ''
    
    def __getitem__(self, key):
        for each in self.instruction.keys():
            if each == key:
                return self.instruction[key]
        return None
    
    def __setitem__(self, key, value):
        self.instruction[key] = value
    
    def GetInstruction(self):
        """!Get current values"""
        return self.instruction
    
    def SetInstruction(self, instruction):
        """!Set default values"""
        self.instruction = instruction
        
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save them"""
        pass
    
class InitMap(InstructionObject):
    """!Class representing virtual map"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'initMap'
        
        # default values
        self.defaultInstruction = dict(rect = None, scale =  None)
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    
class MapFrame(InstructionObject):
    """!Class representing map (instructions maploc, scale, border)"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'map'
        # default values
        self.defaultInstruction = dict(map = None, mapType = None, drawMap = True, region = None,
                                       rect = wx.Rect2D(), scaleType = 0, scale = None, center = None,
                                       resolution = 300, border = 'y', width = 1, color = '0:0:0') 
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        instr = ''
        comment = ''
        
        #region settings
        region = grass.region()
        if self.instruction['scaleType'] == 0: #match map
            map = self.instruction['map']
            if self.instruction['mapType'] == 'raster':
                comment = "# g.region rast=%s nsres=%s ewres=%s\n" % (map, region['nsres'], region['ewres'])
            else:
                comment = "# g.region vect=%s\n" % (map)
        elif self.instruction['scaleType'] == 1:# saved region
            region = self.instruction['region']
            comment = "# g.region region=%s\n" % region
        elif self.instruction['scaleType'] in (2, 3): #current region, fixed scale
            comment = string.Template("# g.region n=$n s=$s e=$e w=$w rows=$rows cols=$cols \n").substitute(**region)
        
        instr += comment
        instr += '\n'
        # maploc
        maplocInstruction = "maploc %.3f %.3f" % (self.instruction['rect'].x, self.instruction['rect'].y)
        if self.instruction['scaleType'] != 3:
            maplocInstruction += "  %.3f %.3f"% (self.instruction['rect'].width, self.instruction['rect'].height)
        instr += maplocInstruction
        instr += '\n'
        
        # scale
        if self.instruction['scaleType'] == 3: #fixed scale
            scaleInstruction = "scale 1:%.0f" % (1/self.instruction['scale'])
            instr += scaleInstruction
            instr += '\n'
        # border
        borderInstruction = ''
        if self.instruction['border'] == 'n':
            borderInstruction = "border n"
        else:
            borderInstruction = "border y\n"
            borderInstruction += string.Template("    width $width\n    color $color\n").substitute(self.instruction)
            borderInstruction += "    end"
        instr += borderInstruction
        instr += '\n'

        return instr  
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        if 'isRegionComment' in kwargs:
            isRegionComment = kwargs['isRegionComment']
        instr = {}
        
        if instruction == 'border':
            for line in text:
                if line.startswith('end'):
                    break
                try:
                    if line.split()[1].lower() in ('n', 'no', 'none'):
                        instr['border'] = 'n'
                        break
                    elif line.split()[1].lower() in ('y', 'yes'):
                        instr['border'] = 'y'
                    elif line.startswith('width'):
                        instr['width'] = line.split()[1]
                    elif line.startswith('color'):
                        instr['color'] = line.split()[1]
                except IndexError:
                    GError(_("Failed to read instruction %s") % instruction)
                    return False
                
        elif instruction == 'scale':
            try:
                scaleText = text.strip('scale ').split(':')[1]
                # when scale instruction given and region comment also, then scaletype is fixed scale
                if not isRegionComment:
                    instr['scaleType'] = 2 
                else:
                    instr['scaleType'] = 3

                scale = 1/float(scaleText)
                if abs(scale - self.instruction['scale']) > (0.01 * scale):
                    GWarning(_("Scale has changed, old value: %(old)s\nnew value: %(new)s") % \
                                 { 'old' : scale, 'new' : self.instruction['scale'] })
            except (ValueError, IndexError):
                GError(_("Failed to read instruction %s.\nUse 1:25000 notation.") % instruction)
                return False
        
        elif instruction == 'maploc':
            maploc = text.strip('maploc ').split()
            if len(maploc) >= 2:
                if  abs(self.instruction['rect'].Get()[0] - float(maploc[0])) > 0.5 or \
                        abs(self.instruction['rect'].Get()[1] - float(maploc[1])) > 0.5:
                    GWarning(_("Map frame position changed, old value: %(old1)s %(old2)s\nnew value: %(new1)s %(new2)s") % \
                                 { 'old1' : maploc[0], 'old2' : maploc[1],
                                   'new1' : self.instruction['rect'].Get()[0], 'new2' : self.instruction['rect'].Get()[1] })
                    
                #instr['rect'] = wx.Rect2D(float(maploc[0]), float(maploc[1]), self.instruction['rect'][2], self.instruction['rect'][3])
            if len(maploc) == 4:
                if  abs(self.instruction['rect'].Get()[2] - float(maploc[2])) > 0.5 or \
                        abs(self.instruction['rect'].Get()[3] - float(maploc[3])) > 0.5:
                    GWarning(_("Map frame size changed, old value: %(old1)s %(old2)s\nnew value: %(new1)s %(new2)s") % \
                                 { 'old1' : maploc[2], 'old2' : maploc[3],
                                   'new1' : self.instruction['rect'].Get()[2], 'new2' : self.instruction['rect'].Get()[3] })
                #instr['rect'] = wx.Rect2D(*map(float, maploc))
        self.instruction.update(instr)   
        return True 
    
class PageSetup(InstructionObject):
    """!Class representing page instruction"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'page'
        # default values
        self.defaultInstruction = dict(Units = 'inch', Format = 'a4', Orientation = 'Portrait',
                                       Width = 8.268, Height = 11.693, Left = 0.5, Right = 0.5, Top = 1, Bottom = 1)
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        if self.instruction['Format'] == 'custom':
            instr = string.Template("paper\n    width $Width\n    height $Height\n").substitute(self.instruction)
        else:
            instr = string.Template("paper $Format\n").substitute(self.instruction)
        instr += string.Template("    left $Left\n    right $Right\n    bottom $Bottom\n    top $Top\n    end").substitute(self.instruction)

        return instr
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        instr = {}
        self.cats = ['Width', 'Height', 'Left', 'Right', 'Top', 'Bottom']
        self.subInstr = dict(zip(['width', 'height', 'left', 'right', 'top', 'bottom'], self.cats))
        
        if instruction == 'paper': # just for sure
            for line in text:
                if line.startswith('paper'): 
                    if len(line.split()) > 1:
                        pformat = line.split()[1]
                        availableFormats = self._toDict(grass.read_command('ps.map', flags = 'p',
                                                                           quiet = True))
                        # e.g. paper a3 
                        try:
                            instr['Format'] = pformat
                            for key, value in availableFormats[pformat].iteritems():
                                instr[key] = float(value)
                            break
                        except KeyError:
                            GError(_("Failed to read instruction %(file)s.\nUnknown format %(for)s") % \
                                       { 'file' : instruction, 'for' : format })
                            return False
                    else:
                        # paper
                        # width ...
                        instr['Format'] = 'custom'
                # read subinstructions
                elif instr['Format'] == 'custom' and not line.startswith('end'):
                    text = line.split()
                    try:
                        instr[self.subInstr[text[0]]] = float(text[1])
                    except  (IndexError, KeyError):
                        GError(_("Failed to read instruction %s.") % instruction)
                        return False
                    
            if 'Orientation' in kwargs and kwargs['Orientation'] == 'Landscape':
                instr['Width'], instr['Height'] = instr['Height'], instr['Width']
                
            self.instruction.update(instr)
        return True  
    
    def _toDict(self, paperStr):    
        sizeDict = dict()
#     cats = self.subInstr[ 'Width', 'Height', 'Left', 'Right', 'Top', 'Bottom']
        for line in paperStr.strip().split('\n'):
            d = dict(zip(self.cats, line.split()[1:]))
            sizeDict[line.split()[0]] = d
            
        return sizeDict    
    
class Mapinfo(InstructionObject):
    """!Class representing mapinfo instruction"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'mapinfo'
        # default values
        self.defaultInstruction = dict(unit = 'inch', where = (0, 0),
                                       font = 'Helvetica', fontsize = 10, color = '0:0:0', background = 'none', 
                                       border = 'none', rect = None)
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        instr = "mapinfo\n"
        instr += "    where %.3f %.3f\n" % (self.instruction['where'][0], self.instruction['where'][1])
        instr += string.Template("    font $font\n    fontsize $fontsize\n    color $color\n").substitute(self.instruction)            
        instr += string.Template("    background $background\n    border $border\n").substitute(self.instruction)  
        instr += "    end"
        return instr
    
    def Read(self, instruction, text):
        """!Read instruction and save information"""
        instr = {}
        try:
            for line in text:
                sub = line.split(None,1)
                if sub[0] == 'font':
                    instr['font'] = sub[1]
                elif sub[0] == 'fontsize':
                    instr['fontsize'] = int(sub[1])
                elif sub[0] == 'color':
                    instr['color'] = sub[1]
                elif sub[0] == 'background':
                    instr['background'] = sub[1]
                elif sub[0] == 'border':
                    instr['border'] = sub[1]
                elif sub[0] == 'where':
                    instr['where'] = float(sub[1].split()[0]), float(sub[1].split()[1])
        except (ValueError, IndexError):
            GError(_("Failed to read instruction %s") % instruction)
            return False
        self.instruction.update(instr)
        self.instruction['rect'] = self.EstimateRect(mapinfoDict = self.instruction)
        return True
    
    def EstimateRect(self, mapinfoDict):
        """!Estimate size to draw mapinfo"""
        w = mapinfoDict['fontsize'] * 20 # any better estimation? 
        h = mapinfoDict['fontsize'] * 7
        width = self.unitConv.convert(value = w, fromUnit = 'point', toUnit = 'inch')
        height = self.unitConv.convert(value = h, fromUnit = 'point', toUnit = 'inch')
        return wx.Rect2D(x = float(mapinfoDict['where'][0]), y = float(mapinfoDict['where'][1]), w = width, h = height)
    
class Text(InstructionObject):
    """!Class representing text instruction"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'text'
        # default values
        self.defaultInstruction = dict(text = "", font = "Helvetica", fontsize = 10, color = 'black', background = 'none',
                                       hcolor = 'none', hwidth = 1, border = 'none', width = '1', XY = True,
                                       where = (0,0), unit = 'inch', rotate = None, 
                                       ref = "center center", xoffset = 0, yoffset = 0, east = None, north = None)
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        text = self.instruction['text'].replace('\n','\\n')
        instr = u"text %s %s" % (self.instruction['east'], self.instruction['north'])
        instr += " %s\n" % text
        instr += (string.Template("    font $font\n    fontsize $fontsize\n    color $color\n").
                                                                   substitute(self.instruction))
        instr += string.Template("    hcolor $hcolor\n").substitute(self.instruction)
        if self.instruction['hcolor'] != 'none':
            instr += string.Template("    hwidth $hwidth\n").substitute(self.instruction)
        instr += string.Template("    border $border\n").substitute(self.instruction)
        if self.instruction['border'] != 'none':
            instr += string.Template("    width $width\n").substitute(self.instruction)
        instr += string.Template("    background $background\n").substitute(self.instruction)
        if self.instruction["ref"] != '0':
            instr += string.Template("    ref $ref\n").substitute(self.instruction)
        if self.instruction["rotate"]:
            instr += string.Template("    rotate $rotate\n").substitute(self.instruction)
        if float(self.instruction["xoffset"]) or float(self.instruction["yoffset"]):
            instr += (string.Template("    xoffset $xoffset\n    yoffset $yoffset\n").
                                                            substitute(self.instruction))
        instr += "    end"
        try:
            instr = instr.encode('latin1')
        except UnicodeEncodeError, err:
            try:
                print err
                pos = str(err).split('position')[1].split(':')[0].strip()
            except IndexError:
                pos = ''
            if pos:
                message = _("Characters on position %s are not supported "
                            "by ISO-8859-1 (Latin 1) encoding "
                            "which is required by module ps.map.") % pos
            else:
                message = _("Not all characters are supported "
                            "by ISO-8859-1 (Latin 1) encoding "
                            "which is required by module ps.map.")
            GMessage(message = message)
            return ''
        
        return instr
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        map = kwargs['mapInstruction']
        instr = {}
        for line in text:
            try:
                sub = line.split(None, 1)[0]
                if sub == 'text':
                    e, n = line.split(None, 3)[1:3]
                    if '%' in e and '%' in n:
                        instr['XY'] = True
                        instr['east'], instr['north'] = self.PercentToReal(e, n)
                    else:
                        instr['XY'] = False
                        instr['east'], instr['north'] = float(e), float(n)
                        
                    instr['text'] = line.split(None, 3)[3].decode('latin_1')
                
                elif sub == 'font':
                    instr['font'] = line.split(None, 1)[1]
                elif sub == 'fontsize':
                    instr['fontsize'] = float(line.split(None, 1)[1])
                elif sub == 'color':
                    instr['color'] = line.split(None, 1)[1]
                elif sub == 'width':
                    instr['width'] = line.split(None, 1)[1]
                elif sub == 'hcolor':
                    instr['hcolor'] = line.split(None, 1)[1]
                elif sub == 'hwidth':
                    instr['hwidth'] = line.split(None, 1)[1]
                elif sub == 'background':
                    instr['background'] = line.split(None, 1)[1]
                elif sub == 'border':
                    instr['border'] = line.split(None, 1)[1]
                elif sub == 'ref':
                    instr['ref'] = line.split(None, 1)[1]
                elif sub == 'rotate':
                    instr['rotate'] = float(line.split(None, 1)[1])
                elif sub == 'xoffset':
                    instr['xoffset'] = int(line.split(None, 1)[1])
                elif sub == 'yoffset':
                    instr['yoffset'] = int(line.split(None, 1)[1])
                elif sub == 'opaque':
                    if line.split(None, 1)[1].lower() in ('n', 'none'):
                        instr['background'] = 'none'
                        
            except(IndexError, ValueError):
                GError(_("Failed to read instruction %s") % instruction)
                return False
        instr['where'] = PaperMapCoordinates(map = map, x = instr['east'], y = instr['north'], paperToMap = False)       
        self.instruction.update(instr)

        return True 
    
    def PercentToReal(self, e, n):
        """!Converts text coordinates from percent of region to map coordinates"""
        e, n = float(e.strip('%')), float(n.strip('%'))
        region = grass.region()
        N = region['s'] + (region['n'] - region['s']) / 100 * n
        E = region['w'] + (region['e'] - region['w']) / 100 * e
        return E, N
        
class Image(InstructionObject):
    """!Class representing eps instruction - image"""
    def __init__(self, id, settings):
        InstructionObject.__init__(self, id = id)
        self.settings = settings
        self.type = 'image'
        # default values
        self.defaultInstruction = dict(epsfile = "", XY = True, where = (0,0), unit = 'inch',
                                       east = None, north = None,
                                       rotate = None, scale = 1)
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        self.ChangeRefPoint(toCenter = True)
        
        instr = "eps %s %s\n" % (self.instruction['east'], self.instruction['north'])
        instr += string.Template("    epsfile $epsfile\n").substitute(self.instruction)
        if self.instruction["rotate"]:
            instr += string.Template("    rotate $rotate\n").substitute(self.instruction)
        if self.instruction["scale"]:
            instr += string.Template("    scale $scale\n").substitute(self.instruction)
        instr += "    end"
        return instr
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        mapInstr = kwargs['mapInstruction']
        instr = {}
        for line in text:
            try:
                sub = line.split(None, 1)[0]
                if sub == 'eps':
                    e, n = line.split(None, 3)[1:3]
                    if '%' in e and '%' in n:
                        instr['XY'] = True
                        instr['east'], instr['north'] = self.PercentToReal(e, n)
                    else:
                        instr['XY'] = False
                        instr['east'], instr['north'] = float(e), float(n)
                
                elif sub == 'epsfile':
                    instr['epsfile'] = line.split(None, 1)[1]
                elif sub == 'rotate':
                    instr['rotate'] = float(line.split(None, 1)[1])
                elif sub == 'scale':
                    instr['scale'] = float(line.split(None, 1)[1])
                        
            except(IndexError, ValueError):
                GError(_("Failed to read instruction %s") % instruction)
                return False
        if not os.path.exists(instr['epsfile']):
            GError(_("Failed to read instruction %s: file %s not found.") % instruction, instr['epsfile'])
            return False
        
        instr['epsfile'] = os.path.abspath(instr['epsfile'])
        instr['size'] = self.GetImageOrigSize(instr['epsfile'])
        if 'rotate' in instr:
            instr['size'] = BBoxAfterRotation(instr['size'][0], instr['size'][1], instr['rotate'])
        self.instruction.update(instr)
        self.ChangeRefPoint(toCenter = False)
        instr['where'] = PaperMapCoordinates(map = mapInstr, x = self.instruction['east'],
                                             y = self.instruction['north'], paperToMap = False)       
        w = self.unitConv.convert(value = instr['size'][0], fromUnit = 'point', toUnit = 'inch')
        h = self.unitConv.convert(value = instr['size'][1], fromUnit = 'point', toUnit = 'inch')
        instr['rect'] = wx.Rect2D(x = float(instr['where'][0]), y = float(instr['where'][1]),
                                  w = w * self.instruction['scale'], h = h * self.instruction['scale'])
        self.instruction.update(instr)

        return True 
    
    def PercentToReal(self, e, n):
        """!Converts eps coordinates from percent of region to map coordinates"""
        e, n = float(e.strip('%')), float(n.strip('%'))
        region = grass.region()
        N = region['s'] + (region['n'] - region['s']) / 100 * n
        E = region['w'] + (region['e'] - region['w']) / 100 * e
        return E, N
        
    def ChangeRefPoint(self, toCenter):
        """!Change reference point (left top x center)"""
        mapInstr = self.settings.FindInstructionByType('map')
        if not mapInstr:
            mapInstr = self.settings.FindInstructionByType('initMap')
        mapId = mapInstr.id
        if toCenter:
            center = self.instruction['rect'].GetCentre()
            ENCenter = PaperMapCoordinates(map = self.settings[mapId],
                                           x = center[0], y = center[1], paperToMap = True)
                                           
            self.instruction['east'], self.instruction['north'] = ENCenter
        else:
            x, y = PaperMapCoordinates(map = self.settings[mapId], x = self.instruction['east'],
                                       y = self.instruction['north'], paperToMap = False)
            w = self.unitConv.convert(value = self.instruction['size'][0], fromUnit = 'point', toUnit = 'inch')
            h = self.unitConv.convert(value = self.instruction['size'][1], fromUnit = 'point', toUnit = 'inch')
            x -= w * self.instruction['scale'] / 2
            y -= h * self.instruction['scale'] / 2
            e, n = PaperMapCoordinates(map = self.settings[mapId], x = x, y = y, paperToMap = True)
            self.instruction['east'], self.instruction['north'] = e, n

    def GetImageOrigSize(self, imagePath):
        """!Get image size.
        
        If eps, size is read from image header.
        """
        fileName = os.path.split(imagePath)[1]
        # if eps, read info from header
        if os.path.splitext(fileName)[1].lower() == '.eps':
            bbInfo = "%%BoundingBox"
            file = open(imagePath,"r")
            w = h = 0
            while file:
                line = file.readline()
                if line.find(bbInfo) == 0:
                    w, h = line.split()[3:5]
                    break
            file.close()
            return float(w), float(h)
        else: # we can use wx.Image
            img = wx.Image(fileName, type=wx.BITMAP_TYPE_ANY)
            return img.GetWidth(), img.GetHeight()
            
class NorthArrow(Image):
    """!Class representing eps instruction -- North Arrow"""
    def __init__(self, id, settings):
        Image.__init__(self, id = id, settings = settings)
        self.type = 'northArrow'
        
    def __str__(self):
        self.ChangeRefPoint(toCenter = True)
        
        instr = "eps %s %s\n" % (self.instruction['east'], self.instruction['north'])
        instr += "# north arrow\n"
        instr += string.Template("    epsfile $epsfile\n").substitute(self.instruction)
        if self.instruction["rotate"]:
            instr += string.Template("    rotate $rotate\n").substitute(self.instruction)
        if self.instruction["scale"]:
            instr += string.Template("    scale $scale\n").substitute(self.instruction)
        instr += "    end"
        return instr
        
class Scalebar(InstructionObject):
    """!Class representing scalebar instruction"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'scalebar'
        # default values
        self.defaultInstruction = dict(unit = 'inch', where = (1,1),
                                       unitsLength = 'auto', unitsHeight = 'inch',
                                       length = None, height = 0.1, rect = None,
                                       fontsize = 10, background = 'y',
                                       scalebar = 'f', segment = 4, numbers = 1)
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        instr = string.Template("scalebar $scalebar\n").substitute(self.instruction)
        instr += "    where %.3f %.3f\n" % (self.instruction['where'][0], self.instruction['where'][1])
        instr += string.Template("    length $length\n    units $unitsLength\n").substitute(self.instruction)
        instr += string.Template("    height $height\n").substitute(self.instruction)
        instr += string.Template("    segment $segment\n    numbers $numbers\n").substitute(self.instruction)
        instr += string.Template("    fontsize $fontsize\n    background $background\n").substitute(self.instruction)
        instr += "    end"
        return instr
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        scale = kwargs['scale']
        instr = {}
        for line in text:
            try:
                if line.startswith('scalebar'):
                    if 'scalebar s' in line:
                        instr['scalebar'] = 's'
                    else:
                        instr['scalebar'] = 'f'
                elif line.startswith('where'):
                    instr['where'] = map(float, line.split()[1:3])
                elif line.startswith('length'):
                    instr['length'] = float(line.split()[1])
                elif line.startswith('units'):
                    if line.split()[1] in ['auto', 'meters', 'kilometers', 'feet', 'miles', 'nautmiles']:
                        instr['unitsLength'] = line.split()[1]
                elif line.startswith('height'):
                    instr['height'] = float(line.split()[1])
                elif line.startswith('fontsize'):
                    instr['fontsize'] = float(line.split()[1])
                elif line.startswith('numbers'):
                    instr['numbers'] = int(line.split()[1])
                elif line.startswith('segment'):
                    instr['segment'] = int(line.split()[1])
                elif line.startswith('background'):
                    if line.split()[1].strip().lower() in ('y','yes'):
                        instr['background'] = 'y'
                    elif line.split()[1].strip().lower() in ('n','no', 'none'):
                        instr['background'] = 'n'
            except(IndexError, ValueError):
                GError(_("Failed to read instruction %s") % instruction)
                return False
            
        self.instruction.update(instr)
        w, h = self.EstimateSize(scalebarDict = self.instruction, scale = scale)
        x = self.instruction['where'][0] - w / 2 
        y = self.instruction['where'][1] - h / 2
        self.instruction['rect'] = wx.Rect2D(x, y, w, h)
        return True 
    
    def EstimateSize(self, scalebarDict, scale):
        """!Estimate size to draw scalebar"""
        units = projInfo()['units']
        if not units or units not in self.unitConv.getAllUnits():
            units = 'meters'
        if scalebarDict['unitsLength'] != 'auto':
            length = self.unitConv.convert(value = scalebarDict['length'], fromUnit = scalebarDict['unitsLength'], toUnit = 'inch')
        else:
            length = self.unitConv.convert(value = scalebarDict['length'], fromUnit = units, toUnit = 'inch')
            
        length *= scale
        length *= 1.1 #for numbers on the edge
        height = scalebarDict['height'] + 2 * self.unitConv.convert(value = scalebarDict['fontsize'], fromUnit = 'point', toUnit = 'inch')     
        return (length, height)
    
class RasterLegend(InstructionObject):
    """!Class representing colortable instruction"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'rasterLegend'
        # default values
        self.defaultInstruction = dict(rLegend = False, unit = 'inch', rasterDefault = True, raster = None,
                                       discrete = None, type = None,
                                       where = (0, 0),
                                       width = None, height = None, cols = 1, font = "Helvetica", fontsize = 10,
                                       #color = '0:0:0', tickbar = False, range = False, min = 0, max = 0,
                                       color = 'black', tickbar = 'n', range = False, min = 0, max = 0,
                                       nodata = 'n')
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        instr = "colortable y\n"
        instr += string.Template("    raster $raster\n").substitute(self.instruction)
        instr += "    where %.3f %.3f\n" % (self.instruction['where'][0], self.instruction['where'][1])
        if self.instruction['width']:
            instr += string.Template("    width $width\n").substitute(self.instruction)
        instr += string.Template("    discrete $discrete\n").substitute(self.instruction)
        if self.instruction['discrete'] == 'n':
            if self.instruction['height']:
                instr += string.Template("    height $height\n").substitute(self.instruction)
            instr += string.Template("    tickbar $tickbar\n").substitute(self.instruction)
            if self.instruction['range']:
                instr += string.Template("    range $min $max\n").substitute(self.instruction)
        else:
            instr += string.Template("    cols $cols\n").substitute(self.instruction)
            instr += string.Template("    nodata $nodata\n").substitute(self.instruction)
        instr += string.Template("    font $font\n    fontsize $fontsize\n    color $color\n")\
            .substitute(self.instruction)
        instr += "    end"
        return instr    
    
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        instr = {}
        instr['rLegend'] = True
        for line in text:
            try:
                if line.startswith('where'):
                    instr['where'] = map(float, line.split()[1:3])
                elif line.startswith('font '):
                    instr['font'] = line.split()[1]
                elif line.startswith('fontsize'):
                    instr['fontsize'] = float(line.split()[1])
                elif line.startswith('color '):
                    instr['color'] = line.split()[1]
                elif line.startswith('raster'):
                    instr['raster'] = line.split()[1]
                elif line.startswith('width'):
                    instr['width'] = float(line.split()[1])
                elif line.startswith('height'):
                    instr['height'] = float(line.split()[1])
                elif line.startswith('cols'):
                    instr['cols'] = int(line.split()[1])                    
                elif line.startswith('range'):
                    instr['range'] = True
                    instr['min'] = float(line.split()[1])
                    instr['max'] = float(line.split()[2])
                elif line.startswith('nodata'):
                    if line.split()[1].strip().lower() in ('y','yes'):
                        instr['nodata'] = 'y'
                    elif line.split()[1].strip().lower() in ('n','no', 'none'):
                        instr['nodata'] = 'n'
                elif line.startswith('tickbar'):
                    if line.split()[1].strip().lower() in ('y','yes'):
                        instr['tickbar'] = 'y'
                    elif line.split()[1].strip().lower() in ('n','no', 'none'):
                        instr['tickbar'] = 'n'
                elif line.startswith('discrete'):
                    if line.split()[1].strip().lower() in ('y','yes'):
                        instr['discrete'] = 'y'
                    elif line.split()[1].strip().lower() in ('n','no', 'none'):
                        instr['discrete'] = 'n'            

            except(IndexError, ValueError):
                GError(_("Failed to read instruction %s") % instruction)
                return False
            
        if 'raster' in instr:
            instr['rasterDefault'] = False
            if 'discrete' not in instr:
                rasterType = getRasterType(map = instr['raster'])
                instr['type'] = rasterType
                if rasterType == 'CELL':
                    instr['discrete'] = 'y'
                else:
                    instr['discrete'] = 'n'
            
        else:
            instr['rasterDefault'] = True
        self.instruction.update(instr)
        # add 'rect' in the end
            
        return True 
    
    def EstimateHeight(self, raster, discrete, fontsize, cols = None,  height = None):
        """!Estimate height to draw raster legend"""
        if discrete == 'n':
            if height:
                height = height
            else:
                height = self.unitConv.convert(value = fontsize * 10,
                                                    fromUnit = 'point', toUnit = 'inch')
                                                    
        if discrete == 'y':
            if cols:
                cols = cols 
            else:
                cols = 1 

            rinfo = grass.raster_info(raster)
            if rinfo['datatype'] in ('DCELL', 'FCELL'):
                minim, maxim = rinfo['min'], rinfo['max']
                rows = ceil(maxim / cols )
            else:
                cat = grass.read_command('r.category', map = raster,
                                    fs = ':').strip().split('\n')
                rows = ceil(float(len(cat)) / cols )
                            
                
            height = self.unitConv.convert(value =  1.5 * rows * fontsize, fromUnit = 'point', toUnit = 'inch')
            
        return height
        
    def EstimateWidth(self, raster, discrete, fontsize, cols = None, width = None, paperInstr = None):
        """!Estimate size to draw raster legend"""
        
        if discrete == 'n':
            rinfo = grass.raster_info(raster)
            minim, maxim = rinfo['min'], rinfo['max']
            if width:
                width = width
            else:
                width = self.unitConv.convert(value = fontsize * 2,
                                                    fromUnit = 'point', toUnit = 'inch')
            text = len(max(str(minim), str(maxim), key = len))
            textPart = self.unitConv.convert(value = text * fontsize / 2,
                                                    fromUnit = 'point', toUnit = 'inch')
            width += textPart
                                                    
        elif discrete == 'y':
            if cols:
                cols = cols 
            else:
                cols = 1    

            if width:
                width = width
            else:
                paperWidth = paperInstr['Width'] - paperInstr['Right'] - paperInstr['Left']
                width = (paperWidth / cols) * (cols - 1) + 1
                
        return width    
             
class VectorLegend(InstructionObject):
    """!Class representing colortable instruction"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'vectorLegend'
        # default values
        self.defaultInstruction = dict(vLegend = False, unit = 'inch', where = (0, 0),
                                                defaultSize = True, width = 0.4, cols = 1, span = None,
                                                font = "Helvetica", fontsize = 10,
                                                border = 'none')
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        instr = "vlegend\n"
        instr += "    where %.3f %.3f\n" % (self.instruction['where'][0], self.instruction['where'][1])
        instr += string.Template("    font $font\n    fontsize $fontsize\n").substitute(self.instruction)
        instr += string.Template("    width $width\n    cols $cols\n").substitute(self.instruction)
        if self.instruction['span']:
            instr += string.Template("    span $span\n").substitute(self.instruction)
        instr += string.Template("    border $border\n").substitute(self.instruction)  
        instr += "    end"  
        return instr

    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        instr = {}
        instr['vLegend'] = True
        for line in text:
            try:
                if line.startswith('where'):
                    instr['where'] = map(float, line.split()[1:3])
                elif line.startswith('font '):
                    instr['font'] = line.split()[1]
                elif line.startswith('fontsize'):
                    instr['fontsize'] = float(line.split()[1])
                elif line.startswith('width'):
                    instr['width'] = float(line.split()[1])
                elif line.startswith('cols'):
                    instr['cols'] = int(line.split()[1]) 
                elif line.startswith('span'):
                    instr['span'] = float(line.split()[1])
                elif line.startswith('border'):
                    instr['border'] = line.split()[1]
                    
            except(IndexError, ValueError):
                GError(_("Failed to read instruction %s") % instruction)
                return False
            
        self.instruction.update(instr)
            
        return True 
    
    def EstimateSize(self, vectorInstr, fontsize, width = None, cols = None):
        """!Estimate size to draw vector legend"""
        if width:
            width = width 
        else:
            width = fontsize/24.0

        if cols:
            cols = cols 
        else:
            cols = 1

        vectors = vectorInstr['list']
        labels = [vector[4] for vector in vectors if vector[3] != 0]
        extent = (len(max(labels, key = len)) * fontsize / 2, fontsize)
        wExtent = self.unitConv.convert(value = extent[0], fromUnit = 'point', toUnit = 'inch')
        hExtent = self.unitConv.convert(value = extent[1], fromUnit = 'point', toUnit = 'inch')
        w = (width + wExtent) * cols
        h = len(labels) * hExtent / cols
        h *= 1.1
        return (w, h)
            
   
class Raster(InstructionObject):
    """!Class representing raster instruction"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'raster'
        # default values
        self.defaultInstruction = dict(isRaster = False, raster = None)
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        instr = string.Template("raster $raster").substitute(self.instruction)
        return instr
    
    def Read(self, instruction, text):
        """!Read instruction and save information"""
        instr = {}
        instr['isRaster'] = True
        try:
            map = text.split()[1]
        except IndexError:
            GError(_("Failed to read instruction %s") % instruction)
            return False
        try:
            info = grass.find_file(map, element = 'cell')
        except grass.ScriptError, e:
            GError(message = e.value)
            return False
        instr['raster'] = info['fullname']

        
        self.instruction.update(instr)
        return True
    
class Vector(InstructionObject):
    """!Class keeps vector layers"""
    def __init__(self, id):
        InstructionObject.__init__(self, id = id)
        self.type = 'vector'
        # default values
        self.defaultInstruction = dict(list = None)# [vmap, type, id, lpos, label] 
        # current values
        self.instruction = dict(self.defaultInstruction)
    def __str__(self):
        return ''
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        instr = {}
        
        for line in text:
            if line.startswith('vpoints') or line.startswith('vlines') or line.startswith('vareas'):
                # subtype
                if line.startswith('vpoints'):
                    subType = 'points'
                elif line.startswith('vlines'):
                    subType = 'lines'
                elif line.startswith('vareas'):
                    subType = 'areas'
                # name of vector map
                vmap = line.split()[1]
                try:
                    info = grass.find_file(vmap, element = 'vector')
                except grass.ScriptError, e:
                    GError(message = e.value)
                    return False
                vmap = info['fullname']
                # id
                id = kwargs['id']
                # lpos
                lpos = kwargs['vectorMapNumber']
                #label
                label = '('.join(vmap.split('@')) + ')'
                break
        instr = [vmap, subType, id, lpos, label] 
        if not self.instruction['list']:
            self.instruction['list'] = []
        self.instruction['list'].append(instr)
        
        return True    
    
class VProperties(InstructionObject):
    """!Class represents instructions vareas, vlines, vpoints"""
    def __init__(self, id, subType):
        InstructionObject.__init__(self, id = id)
        self.type = 'vProperties'
        self.subType = subType
        # default values
        if self.subType == 'points':
            dd = dict(subType  = 'points', name = None, type = 'point or centroid', connection = False, layer = '1',
                        masked = 'n', color = '0:0:0', width = 1,
                        fcolor = '255:0:0', rgbcolumn = None, symbol = os.path.join('basic', 'x'), eps = None,
                        size = 5, sizecolumn = None, scale = None,
                        rotation = False, rotate = 0, rotatecolumn = None, label = None, lpos = None)
        elif self.subType == 'lines':
            dd = dict(subType = 'lines', name = None, type = 'line or boundary', connection = False, layer = '1',
                        masked = 'n', color = '0:0:0', hwidth = 1,
                        hcolor = 'none', rgbcolumn = None,
                        width = 1, cwidth = None,
                        style = 'solid', linecap = 'butt', label = None, lpos = None)
        else: # areas
            dd = dict(subType = 'areas', name = None, connection = False, layer = '1',    
                        masked = 'n', color = '0:0:0', width = 1,
                        fcolor = 'none', rgbcolumn = None,
                        pat = None, pwidth = 1, scale = 1, label = None, lpos = None)
        self.defaultInstruction = dd
        # current values
        self.instruction = dict(self.defaultInstruction)
        
    def __str__(self):
        dic = self.instruction
        vInstruction = string.Template("v$subType $name\n").substitute(dic)
        #data selection
        if self.subType in ('points', 'lines'):
           vInstruction += string.Template("    type $type\n").substitute(dic) 
        if dic['connection']:
            vInstruction += string.Template("    layer $layer\n").substitute(dic)
            if dic.has_key('cats'):
                vInstruction += string.Template("    cats $cats\n").substitute(dic)
            elif dic.has_key('where'):
                    vInstruction += string.Template("    where $where\n").substitute(dic)
        vInstruction += string.Template("    masked $masked\n").substitute(dic)
        #colors
        vInstruction += string.Template("    color $color\n").substitute(dic)
        if self.subType in ('points', 'areas'):
            if dic['color'] != 'none':
                vInstruction += string.Template("    width $width\n").substitute(dic)
            if dic['rgbcolumn']:
                vInstruction += string.Template("    rgbcolumn $rgbcolumn\n").substitute(dic)
            vInstruction += string.Template("    fcolor $fcolor\n").substitute(dic)
        else:
            if dic['rgbcolumn']:
                vInstruction += string.Template("    rgbcolumn $rgbcolumn\n").substitute(dic)
            elif dic['hcolor'] != 'none':
                vInstruction += string.Template("    hwidth $hwidth\n").substitute(dic)
                vInstruction += string.Template("    hcolor $hcolor\n").substitute(dic)
        
        # size and style
        if self.subType == 'points':
            if dic['symbol']:
                vInstruction += string.Template("    symbol $symbol\n").substitute(dic)
            else: #eps
                vInstruction += string.Template("    eps $eps\n").substitute(dic)
            if dic['size']:
                vInstruction += string.Template("    size $size\n").substitute(dic)            
            else: # sizecolumn
                vInstruction += string.Template("    sizecolumn $sizecolumn\n").substitute(dic)
                vInstruction += string.Template("    scale $scale\n").substitute(dic)
            if dic['rotation']:
                if dic['rotate'] is not None:
                    vInstruction += string.Template("    rotate $rotate\n").substitute(dic)
                else:
                    vInstruction += string.Template("    rotatecolumn $rotatecolumn\n").substitute(dic)
                    
        if self.subType == 'areas':
            if dic['pat'] is not None:
                vInstruction += string.Template("    pat $pat\n").substitute(dic)
                vInstruction += string.Template("    pwidth $pwidth\n").substitute(dic)
                vInstruction += string.Template("    scale $scale\n").substitute(dic)
                
        if self.subType == 'lines':
            if dic['width'] is not None:
                vInstruction += string.Template("    width $width\n").substitute(dic)
            else:
                vInstruction += string.Template("    cwidth $cwidth\n").substitute(dic)
            vInstruction += string.Template("    style $style\n").substitute(dic)
            vInstruction += string.Template("    linecap $linecap\n").substitute(dic)
        #position and label in vlegend
        vInstruction += string.Template("    label $label\n    lpos $lpos\n").substitute(dic)
        
        vInstruction += "    end"
        try:
            vInstruction = vInstruction.encode('Latin_1')
        except UnicodeEncodeError, err:
            try:
                print err
                pos = str(err).split('position')[1].split(':')[0].strip()
            except IndexError:
                pos = ''
            if pos:
                message = _("Characters on position %s are not supported "
                            "by ISO-8859-1 (Latin 1) encoding "
                            "which is required by module ps.map.") % pos
            else:
                message = _("Not all characters are supported "
                            "by ISO-8859-1 (Latin 1) encoding "
                            "which is required by module ps.map.")
            GMessage(message = message)
            return ''
        return vInstruction
    
    def Read(self, instruction, text, **kwargs):
        """!Read instruction and save information"""
        instr = {}
        try:
            info = grass.find_file(name = text[0].split()[1], element = 'vector')
        except grass.ScriptError, e:
            GError(message = e.value)
            return False
        instr['name'] = info['fullname']
        #connection
        instr['connection'] = True
        self.mapDBInfo = VectorDBInfo(instr['name'])
        self.layers = self.mapDBInfo.layers.keys()
        if not self.layers:
            instr['connection'] = False
            
        # points
        if text[0].startswith('vpoints'):
            for line in text[1:]:
                if line.startswith('type'):
                    tp = []
                    if line.find('point') != -1:
                        tp.append('point')
                    if line.find('centroid') != -1:
                        tp.append('centroid')
                    instr['type'] = ' or '.join(tp)
                elif line.startswith('fcolor'):
                    instr['fcolor'] = line.split()[1]
                elif line.startswith('rgbcolumn'):
                    instr['rgbcolumn'] = line.split()[1]
                elif line.startswith('symbol'):
                    instr['symbol'] = line.split()[1]
                elif line.startswith('eps'):
                    instr['eps'] = line.split()[1]
                elif line.startswith('size '):
                    instr['size'] = line.split()[1]
                elif line.startswith('sizecolumn'):
                    instr['size'] = None
                    instr['sizecolumn'] = line.split()[1]
                elif line.startswith('scale '):
                    instr['scale'] = float(line.split()[1])
                elif line.startswith('rotate '):
                    instr['rotation'] = True
                    instr['rotate'] = line.split()[1]
                elif line.startswith('rotatecolumn'):
                    instr['rotatecolumn'] = line.split()[1]
                    instr['rotation'] = True
                    instr['rotate'] = None
                    
        # lines            
        elif text[0].startswith('vlines'):
            for line in text[1:]:
                if line.startswith('type'):
                    tp = []
                    if line.find('line') != -1:
                        tp.append('line')
                    if line.find('boundary') != -1:
                        tp.append('boundary')
                    instr['type'] = ' or '.join(tp)
                elif line.startswith('hwidth'):
                    instr['hwidth'] = float(line.split()[1])
                elif line.startswith('hcolor'):
                    instr['hcolor'] = line.split()[1]
                elif line.startswith('rgbcolumn'):
                    instr['rgbcolumn'] = line.split()[1]                    
                elif line.startswith('cwidth'):
                    instr['cwidth'] = float(line.split()[1])
                    instr['width'] = None
                elif line.startswith('style'):
                    instr['style'] = line.split()[1]       
                elif line.startswith('linecap'):
                    instr['linecap'] = line.split()[1]
         
        elif text[0].startswith('vareas'):
            for line in text[1:]:
                if line.startswith('fcolor'):
                    instr['fcolor'] = line.split()[1]    
                elif line.startswith('pat'):
                    instr['pat'] = line.split()[1]
                elif line.startswith('pwidth'):
                    instr['pwidth'] = float(line.split()[1])
                elif line.startswith('scale'):
                    instr['scale'] = float(line.split()[1])
            
            
        # same properties for all    
        for line in text[1:]:
            if line.startswith('lpos'):
                instr['lpos'] = int(line.split()[1])
            elif line.startswith('label'):
                instr['label'] = line.split(None, 1)[1].decode('latin_1')
            elif line.startswith('layer'):
                instr['layer'] = line.split()[1]
            elif line.startswith('masked'):
                if line.split()[1].lower() in ('y', 'yes'):
                    instr['masked'] = 'y'
                else:
                    instr['masked'] = 'n'
            elif line.startswith('color'):
                instr['color'] = line.split()[1]
            elif line.startswith('rgbcolumn'):
                instr['rgbcolumn'] = line.split()[1] 
            elif line.startswith('width'):
                instr['width'] = float(line.split()[1])
                
        if 'label' not in instr:
            instr['label'] = '('.join(instr['name'].split('@')) + ')'
        if 'lpos' not in instr:
            instr['lpos'] = kwargs['vectorMapNumber']
        self.instruction.update(instr)
        
        return True
        
class PsmapDialog(wx.Dialog):
    def __init__(self, parent, id,  title, settings, apply = True):
        wx.Dialog.__init__(self, parent = parent, id = wx.ID_ANY, 
                            title = title, size = wx.DefaultSize,
                            style = wx.CAPTION|wx.MINIMIZE_BOX|wx.CLOSE_BOX)
        self.apply = apply
        self.id = id
        self.parent = parent
        self.instruction = settings
        self.objectType = None
        self.unitConv = UnitConversion(self)
        self.spinCtrlSize = (65, -1)
        
        self.Bind(wx.EVT_CLOSE, self.OnClose)
        
    
        
    def AddUnits(self, parent, dialogDict):
        parent.units = dict()
        parent.units['unitsLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Units:"))
        choices = self.unitConv.getPageUnitsNames()
        parent.units['unitsCtrl'] = wx.Choice(parent, id = wx.ID_ANY, choices = choices)  
        parent.units['unitsCtrl'].SetStringSelection(self.unitConv.findName(dialogDict['unit']))
          
    def AddPosition(self, parent, dialogDict):
        if not hasattr(parent, "position"):
            parent.position = dict()
        parent.position['comment'] = wx.StaticText(parent, id = wx.ID_ANY,\
                    label = _("Position of the top left corner\nfrom the top left edge of the paper"))
        parent.position['xLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("X:"))
        parent.position['yLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Y:"))
        parent.position['xCtrl'] = wx.TextCtrl(parent, id = wx.ID_ANY, value = str(dialogDict['where'][0]), validator = TCValidator(flag = 'DIGIT_ONLY'))
        parent.position['yCtrl'] = wx.TextCtrl(parent, id = wx.ID_ANY, value = str(dialogDict['where'][1]), validator = TCValidator(flag = 'DIGIT_ONLY'))
        if dialogDict.has_key('unit'):
            x = self.unitConv.convert(value = dialogDict['where'][0], fromUnit = 'inch', toUnit = dialogDict['unit'])
            y = self.unitConv.convert(value = dialogDict['where'][1], fromUnit = 'inch', toUnit = dialogDict['unit'])
            parent.position['xCtrl'].SetValue("%5.3f" % x)
            parent.position['yCtrl'].SetValue("%5.3f" % y)
        
    def AddExtendedPosition(self, panel, gridBagSizer, dialogDict):
        """!Add widgets for setting position relative to paper and to map"""
        panel.position = dict()
        positionLabel = wx.StaticText(panel, id = wx.ID_ANY, label = _("Position is given:"))
        panel.position['toPaper'] = wx.RadioButton(panel, id = wx.ID_ANY, label = _("relatively to paper"), style = wx.RB_GROUP)
        panel.position['toMap'] = wx.RadioButton(panel, id = wx.ID_ANY, label = _("by map coordinates"))
        panel.position['toPaper'].SetValue(dialogDict['XY'])
        panel.position['toMap'].SetValue(not dialogDict['XY'])
        
        gridBagSizer.Add(positionLabel, pos = (0,0), span = (1,3), flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_LEFT, border = 0)
        gridBagSizer.Add(panel.position['toPaper'], pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_LEFT, border = 0)
        gridBagSizer.Add(panel.position['toMap'], pos = (1,1),flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_LEFT, border = 0)
        
        # first box - paper coordinates
        box1   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = "")
        sizerP = wx.StaticBoxSizer(box1, wx.VERTICAL)
        self.gridBagSizerP = wx.GridBagSizer (hgap = 5, vgap = 5)
        self.gridBagSizerP.AddGrowableCol(1)
        self.gridBagSizerP.AddGrowableRow(3)
        
        self.AddPosition(parent = panel, dialogDict = dialogDict)
        panel.position['comment'].SetLabel(_("Position from the top left\nedge of the paper"))
        self.AddUnits(parent = panel, dialogDict = dialogDict)
        self.gridBagSizerP.Add(panel.units['unitsLabel'], pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerP.Add(panel.units['unitsCtrl'], pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerP.Add(panel.position['xLabel'], pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerP.Add(panel.position['xCtrl'], pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerP.Add(panel.position['yLabel'], pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerP.Add(panel.position['yCtrl'], pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerP.Add(panel.position['comment'], pos = (3,0), span = (1,2), flag = wx.ALIGN_BOTTOM, border = 0)
        
        sizerP.Add(self.gridBagSizerP, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        gridBagSizer.Add(sizerP, pos = (2,0),span = (1,1), flag = wx.ALIGN_CENTER_HORIZONTAL|wx.EXPAND, border = 0)
        
        # second box - map coordinates
        box2   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = "")
        sizerM = wx.StaticBoxSizer(box2, wx.VERTICAL)
        self.gridBagSizerM = wx.GridBagSizer (hgap = 5, vgap = 5)
        self.gridBagSizerM.AddGrowableCol(0)
        self.gridBagSizerM.AddGrowableCol(1)
        
        eastingLabel  = wx.StaticText(panel, id = wx.ID_ANY, label = "E:")
        northingLabel  = wx.StaticText(panel, id = wx.ID_ANY, label = "N:")
        panel.position['eCtrl'] = wx.TextCtrl(panel, id = wx.ID_ANY, value = "")
        panel.position['nCtrl'] = wx.TextCtrl(panel, id = wx.ID_ANY, value = "")
        east, north = PaperMapCoordinates(map = self.instruction[self.mapId], x = dialogDict['where'][0], y = dialogDict['where'][1], paperToMap = True)
        panel.position['eCtrl'].SetValue(str(east))
        panel.position['nCtrl'].SetValue(str(north))
        
        self.gridBagSizerM.Add(eastingLabel, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerM.Add(northingLabel, pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerM.Add(panel.position['eCtrl'], pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerM.Add(panel.position['nCtrl'], pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizerM.Add(self.gridBagSizerM, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        gridBagSizer.Add(sizerM, pos = (2,1), flag = wx.ALIGN_LEFT|wx.EXPAND, border = 0)
        
    def AddFont(self, parent, dialogDict, color = True):
        parent.font = dict()
##        parent.font['fontLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Choose font:"))
##        parent.font['fontCtrl'] = wx.FontPickerCtrl(parent, id = wx.ID_ANY)
##        
##        parent.font['fontCtrl'].SetSelectedFont(
##                        wx.FontFromNativeInfoString(dialogDict['font'] + " " + str(dialogDict['fontsize'])))
##        parent.font['fontCtrl'].SetMaxPointSize(50)
##        
##        if color:
##            parent.font['colorLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Choose color:"))
##            parent.font['colorCtrl'] = wx.ColourPickerCtrl(parent, id = wx.ID_ANY, style=wx.FNTP_FONTDESC_AS_LABEL)
##            parent.font['colorCtrl'].SetColour(dialogDict['color'])
           
##        parent.font['colorCtrl'].SetColour(convertRGB(dialogDict['color'])) 
           
        parent.font['fontLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Font:"))
        parent.font['fontSizeLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Font size:"))
        fontChoices = [ 'Times-Roman', 'Times-Italic', 'Times-Bold', 'Times-BoldItalic', 'Helvetica',\
                        'Helvetica-Oblique', 'Helvetica-Bold', 'Helvetica-BoldOblique', 'Courier',\
                        'Courier-Oblique', 'Courier-Bold', 'Courier-BoldOblique'] 
        parent.font['fontCtrl'] = wx.Choice(parent, id = wx.ID_ANY, choices = fontChoices)
        if dialogDict['font'] in fontChoices:
            parent.font['fontCtrl'].SetStringSelection(dialogDict['font'])
        else:
            parent.font['fontCtrl'].SetStringSelection('Helvetica')
        parent.font['fontSizeCtrl'] = wx.SpinCtrl(parent, id = wx.ID_ANY, min = 4, max = 50, initial = 10)
        parent.font['fontSizeCtrl'].SetValue(dialogDict['fontsize'])
         
        if color:
            parent.font['colorLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Choose color:"))
            parent.font['colorCtrl'] = wx.ColourPickerCtrl(parent, id = wx.ID_ANY)
            parent.font['colorCtrl'].SetColour(convertRGB(dialogDict['color']))
##            parent.font['colorLabel'] = wx.StaticText(parent, id = wx.ID_ANY, label = _("Color:"))
##            colorChoices = [  'aqua', 'black', 'blue', 'brown', 'cyan', 'gray', 'green', 'indigo', 'magenta',\
##                                'orange', 'purple', 'red', 'violet', 'white', 'yellow']
##            parent.colorCtrl = wx.Choice(parent, id = wx.ID_ANY, choices = colorChoices)
##            parent.colorCtrl.SetStringSelection(parent.rLegendDict['color'])
##            parent.font['colorCtrl'] = wx.ColourPickerCtrl(parent, id = wx.ID_ANY)
##            parent.font['colorCtrl'].SetColour(dialogDict['color'])   
    def OnApply(self, event):
        ok = self.update()
        if ok:
            self.parent.DialogDataChanged(id = self.id)
            return True 
        else:
            return False
        
    def OnOK(self, event):
        """!Apply changes, close dialog"""
        ok = self.OnApply(event)
        if ok:
            self.Close()
    
    def OnCancel(self, event):
        """!Close dialog"""
        self.Close()

    def OnClose(self, event):
        """!Destroy dialog and delete it from open dialogs"""
        if self.objectType:
            for each in  self.objectType:
                if each in self.parent.openDialogs:
                    del self.parent.openDialogs[each]
        event.Skip()
        self.Destroy()
        
    def _layout(self, panel):
        #buttons
        btnCancel = wx.Button(self, wx.ID_CANCEL)
        btnOK = wx.Button(self, wx.ID_OK)
        btnOK.SetDefault()
        if self.apply:
            btnApply = wx.Button(self, wx.ID_APPLY)
        

        # bindigs
        btnOK.Bind(wx.EVT_BUTTON, self.OnOK)
        btnOK.SetToolTipString(_("Close dialog and apply changes"))
        #btnCancel.Bind(wx.EVT_BUTTON, self.OnCancel)
        btnCancel.SetToolTipString(_("Close dialog and ignore changes"))
        btnCancel.Bind(wx.EVT_BUTTON, self.OnCancel)
        if self.apply:
            btnApply.Bind(wx.EVT_BUTTON, self.OnApply)
            btnApply.SetToolTipString(_("Apply changes"))
        
        # sizers
        btnSizer = wx.StdDialogButtonSizer()
        btnSizer.AddButton(btnCancel)
        if self.apply:
            btnSizer.AddButton(btnApply)
        btnSizer.AddButton(btnOK)
        btnSizer.Realize()
        
        mainSizer = wx.BoxSizer(wx.VERTICAL)
        mainSizer.Add(item = panel, proportion = 1, flag = wx.EXPAND | wx.ALL, border = 5)
        mainSizer.Add(item = btnSizer, proportion = 0,
                      flag = wx.EXPAND | wx.ALL | wx.ALIGN_CENTER, border = 5)
        
        
        self.SetSizer(mainSizer)
        mainSizer.Layout()
        mainSizer.Fit(self) 
            
class PageSetupDialog(PsmapDialog):
    def __init__(self, parent, id, settings):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "Page setup",  settings = settings)
        
        self.cat = ['Units', 'Format', 'Orientation', 'Width', 'Height', 'Left', 'Right', 'Top', 'Bottom']
        labels = [_('Units'), _('Format'), _('Orientation'), _('Width'), _('Height'),
                  _('Left'), _('Right'), _('Top'), _('Bottom')]
        self.catsLabels = dict(zip(self.cat, labels))
        paperString = RunCommand('ps.map', flags = 'p', read = True, quiet = True)
        self.paperTable = self._toList(paperString) 
        self.unitsList = self.unitConv.getPageUnitsNames()
        self.pageSetupDict = settings[id].GetInstruction()

        self._layout()
        
        if self.pageSetupDict:
            self.getCtrl('Units').SetStringSelection(self.unitConv.findName(self.pageSetupDict['Units']))
            if self.pageSetupDict['Format'] == 'custom':
                self.getCtrl('Format').SetSelection(self.getCtrl('Format').GetCount() - 1)
            else:
                self.getCtrl('Format').SetStringSelection(self.pageSetupDict['Format'])
            if self.pageSetupDict['Orientation'] == 'Portrait':
                self.getCtrl('Orientation').SetSelection(0)
            else:
                self.getCtrl('Orientation').SetSelection(1)
                
            for item in self.cat[3:]:
                val = self.unitConv.convert(value = self.pageSetupDict[item],
                                            fromUnit = 'inch', toUnit = self.pageSetupDict['Units'])
                self.getCtrl(item).SetValue("%4.3f" % val)

       
        if self.getCtrl('Format').GetSelection() != self.getCtrl('Format').GetCount() - 1: # custom
            self.getCtrl('Width').Disable()
            self.getCtrl('Height').Disable()
        else:
            self.getCtrl('Orientation').Disable()
        # events
        self.getCtrl('Units').Bind(wx.EVT_CHOICE, self.OnChoice)
        self.getCtrl('Format').Bind(wx.EVT_CHOICE, self.OnChoice)
        self.getCtrl('Orientation').Bind(wx.EVT_CHOICE, self.OnChoice)
        self.btnOk.Bind(wx.EVT_BUTTON, self.OnOK)

    
    def update(self):
        self.pageSetupDict['Units'] = self.unitConv.findUnit(self.getCtrl('Units').GetStringSelection())
        self.pageSetupDict['Format'] = self.paperTable[self.getCtrl('Format').GetSelection()]['Format']
        if self.getCtrl('Orientation').GetSelection() == 0:
            self.pageSetupDict['Orientation'] = 'Portrait'
        else:
            self.pageSetupDict['Orientation'] = 'Landscape'
        for item in self.cat[3:]:
            self.pageSetupDict[item] = self.unitConv.convert(value = float(self.getCtrl(item).GetValue()),
                                        fromUnit = self.pageSetupDict['Units'], toUnit = 'inch')
            

            
    def OnOK(self, event):
        try:
            self.update()
        except ValueError:
                wx.MessageBox(message = _("Literal is not allowed!"), caption = _('Invalid input'),
                                    style = wx.OK|wx.ICON_ERROR)
        else:
            event.Skip()
        
    def _layout(self):
        size = (110,-1)
        #sizers
        mainSizer = wx.BoxSizer(wx.VERTICAL)
        pageBox = wx.StaticBox(self, id = wx.ID_ANY, label = " %s " % _("Page size"))
        pageSizer = wx.StaticBoxSizer(pageBox, wx.VERTICAL)
        marginBox = wx.StaticBox(self, id = wx.ID_ANY, label = " %s " % _("Margins"))
        marginSizer = wx.StaticBoxSizer(marginBox, wx.VERTICAL)
        horSizer = wx.BoxSizer(wx.HORIZONTAL) 
        #staticText + choice
        choices = [self.unitsList, [item['Format'] for item in self.paperTable], [_('Portrait'), _('Landscape')]]
        propor = [0,1,1]
        border = [5,3,3]
        self.hBoxDict={}
        for i, item in enumerate(self.cat[:3]):
            hBox = wx.BoxSizer(wx.HORIZONTAL)
            stText = wx.StaticText(self, id = wx.ID_ANY, label = self.catsLabels[item] + ':')
            choice = wx.Choice(self, id = wx.ID_ANY, choices = choices[i], size = size)
            hBox.Add(stText, proportion = propor[i], flag = wx.ALIGN_CENTER_VERTICAL|wx.ALL, border = border[i])
            hBox.Add(choice, proportion = 0, flag = wx.ALL, border = border[i])
            if item == 'Units':
                hBox.Add(size,1) 
            self.hBoxDict[item] = hBox    

        #staticText + TextCtrl
        for item in self.cat[3:]:
            hBox = wx.BoxSizer(wx.HORIZONTAL)
            label = wx.StaticText(self, id = wx.ID_ANY, label = self.catsLabels[item] + ':')
            textctrl = wx.TextCtrl(self, id = wx.ID_ANY, size = size, value = '')
            hBox.Add(label, proportion = 1, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALL, border = 3)
            hBox.Add(textctrl, proportion = 0, flag = wx.ALIGN_CENTRE|wx.ALL, border = 3)
            self.hBoxDict[item] = hBox
         
        sizer = list([mainSizer] + [pageSizer]*4 + [marginSizer]*4)
        for i, item in enumerate(self.cat):
                sizer[i].Add(self.hBoxDict[item], 0, wx.GROW|wx.RIGHT|wx.LEFT,5)
        # OK button
        btnSizer = wx.StdDialogButtonSizer()
        self.btnOk = wx.Button(self, wx.ID_OK)
        self.btnOk.SetDefault()
        btnSizer.AddButton(self.btnOk)
        btn = wx.Button(self, wx.ID_CANCEL)
        btnSizer.AddButton(btn)
        btnSizer.Realize()
    
    
        horSizer.Add(pageSizer, proportion = 0, flag = wx.LEFT|wx.RIGHT|wx.BOTTOM, border = 10)
        horSizer.Add(marginSizer, proportion = 0, flag = wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.EXPAND, border = 10)
        mainSizer.Add(horSizer, proportion = 0, border = 10)  
        mainSizer.Add(btnSizer, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL,  border = 10)      
        self.SetSizer(mainSizer)
        mainSizer.Fit(self)
    
    def OnChoice(self, event):
        currPaper = self.paperTable[self.getCtrl('Format').GetSelection()]
        currUnit = self.unitConv.findUnit(self.getCtrl('Units').GetStringSelection())
        currOrientIdx = self.getCtrl('Orientation').GetSelection()
        newSize = dict()
        for item in self.cat[3:]:
            newSize[item] = self.unitConv.convert(float(currPaper[item]), fromUnit = 'inch', toUnit = currUnit)

        enable = True
        if currPaper['Format'] != _('custom'):
            if currOrientIdx == 1: # portrait
                newSize['Width'], newSize['Height'] = newSize['Height'], newSize['Width']
            for item in self.cat[3:]:
                self.getCtrl(item).ChangeValue("%4.3f" % newSize[item])
            enable = False
        self.getCtrl('Width').Enable(enable)
        self.getCtrl('Height').Enable(enable)
        self.getCtrl('Orientation').Enable(not enable)


    def getCtrl(self, item):
         return self.hBoxDict[item].GetItem(1).GetWindow()
        
    def _toList(self, paperStr):
        
        sizeList = list()
        for line in paperStr.strip().split('\n'):
            d = dict(zip([self.cat[1]]+ self.cat[3:],line.split()))
            sizeList.append(d)
        d = {}.fromkeys([self.cat[1]]+ self.cat[3:], 100)
        d.update(Format = _('custom'))
        sizeList.append(d)
        return sizeList
    
class MapDialog(PsmapDialog):
    """!Dialog for map frame settings and optionally  raster and vector map selection"""
    def __init__(self, parent, id, settings,  rect = None, notebook = False):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "", settings = settings)
 
        self.isNotebook = notebook
        if self.isNotebook:
            self.objectType = ('mapNotebook',) 
        else:
            self.objectType = ('map',)

        
        #notebook
        if self.isNotebook:
            self.notebook = wx.Notebook(parent = self, id = wx.ID_ANY, style = wx.BK_DEFAULT)
            self.mPanel = MapFramePanel(parent = self.notebook, id = self.id[0], settings = self.instruction, 
                                        rect = rect, notebook = True)
            self.id[0] = self.mPanel.getId()
            self.rPanel = RasterPanel(parent = self.notebook, id = self.id[1], settings = self.instruction, 
                                        notebook = True)
            self.id[1] = self.rPanel.getId()
            self.vPanel = VectorPanel(parent = self.notebook, id = self.id[2], settings = self.instruction,
                                        notebook = True)
            self.id[2] = self.vPanel.getId()
            self._layout(self.notebook)
            self.SetTitle(_("Map settings"))
        else:
            self.mPanel = MapFramePanel(parent = self, id = self.id[0], settings = self.instruction, 
                                        rect = rect, notebook = False)
            self.id[0] = self.mPanel.getId()
            self._layout(self.mPanel)
            self.SetTitle(_("Map frame settings"))
        
        
    def OnApply(self, event):
        """!Apply changes"""
        if self.isNotebook:
            okV = self.vPanel.update()
            okR = self.rPanel.update()
            if okV and self.id[2] in self.instruction:
                self.parent.DialogDataChanged(id = self.id[2])
            if okR and self.id[1] in self.instruction:
                self.parent.DialogDataChanged(id = self.id[1])
            if not okR or not okV:
                return False

        ok = self.mPanel.update()
        if ok:
            self.parent.DialogDataChanged(id = self.id[0])
            return True 
        
        return False
    
    def OnCancel(self, event):
        """!Close dialog and remove tmp red box"""
        self.parent.canvas.pdcTmp.RemoveId(self.parent.canvas.idZoomBoxTmp)
        self.parent.canvas.Refresh() 
        self.Close()
        
    def updateDialog(self):
        """!Update raster and vector information"""
        if self.mPanel.scaleChoice.GetSelection() == 0:
            if self.mPanel.rasterTypeRadio.GetValue():
                if 'raster' in self.parent.openDialogs:
                    if self.parent.openDialogs['raster'].rPanel.rasterYesRadio.GetValue() and \
                            self.parent.openDialogs['raster'].rPanel.rasterSelect.GetValue() == self.mPanel.select.GetValue():
                            self.mPanel.drawMap.SetValue(True)
                    else:
                        self.mPanel.drawMap.SetValue(False)
            else:
                if 'vector' in self.parent.openDialogs:
                    found = False
                    for each in self.parent.openDialogs['vector'].vPanel.vectorList:
                        if each[0] == self.mPanel.select.GetValue():
                            found = True
                    self.mPanel.drawMap.SetValue(found)    
                        
class MapFramePanel(wx.Panel):
    """!wx.Panel with map (scale, region, border) settings"""
    def __init__(self, parent, id, settings, rect, notebook = True):
        wx.Panel.__init__(self, parent, id = wx.ID_ANY, style = wx.TAB_TRAVERSAL)

        self.id = id
        self.instruction = settings
        
        if notebook:
            self.book = parent
            self.book.AddPage(page = self, text = _("Map frame"))
            self.mapDialog = self.book.GetParent()
        else:
            self.mapDialog = parent
            
        if self.id is not None:
            self.mapFrameDict = self.instruction[self.id].GetInstruction() 
        else:
            self.id = wx.NewId()
            mapFrame = MapFrame(self.id)
            self.mapFrameDict = mapFrame.GetInstruction()
            self.mapFrameDict['rect'] = rect

            
        self._layout()

        self.scale = [None]*4
        self.center = [None]*4
        
        
        
        self.selectedMap = self.mapFrameDict['map']
        self.selectedRegion = self.mapFrameDict['region']
        self.scaleType = self.mapFrameDict['scaleType']
        self.mapType = self.mapFrameDict['mapType']
        self.scaleChoice.SetSelection(self.mapFrameDict['scaleType'])
        if self.instruction[self.id]:
            self.drawMap.SetValue(self.mapFrameDict['drawMap'])
        else:
            self.drawMap.SetValue(True)
        if self.mapFrameDict['scaleType'] == 0 and self.mapFrameDict['map']:
            self.select.SetValue(self.mapFrameDict['map'])
            if self.mapFrameDict['mapType'] == 'raster':
                self.rasterTypeRadio.SetValue(True)
                self.vectorTypeRadio.SetValue(False)
            else:
                self.rasterTypeRadio.SetValue(False)
                self.vectorTypeRadio.SetValue(True)
        elif self.mapFrameDict['scaleType'] == 1 and self.mapFrameDict['region']:
            self.select.SetValue(self.mapFrameDict['region'])
        
        
        self.OnMap(None)
        self.scale[self.mapFrameDict['scaleType']] = self.mapFrameDict['scale']
        self.center[self.mapFrameDict['scaleType']] = self.mapFrameDict['center']
        self.OnScaleChoice(None)
        self.OnElementType(None)
        self.OnBorder(None)
        
        
        
    def _layout(self):
        """!Do layout"""
        border = wx.BoxSizer(wx.VERTICAL)
        
        box   = wx.StaticBox (parent = self, id = wx.ID_ANY, label = " %s " % _("Map frame"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)


        #scale options
        frameText = wx.StaticText(self, id = wx.ID_ANY, label = _("Map frame options:"))
        scaleChoices = [_("fit frame to match selected map"),
                        _("fit frame to match saved region"),
                        _("fit frame to match current computational region"),
                        _("fixed scale and map center")]
        self.scaleChoice = wx.Choice(self, id = wx.ID_ANY, choices = scaleChoices)
        
        
        gridBagSizer.Add(frameText, pos = (0, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.scaleChoice, pos = (1, 0), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        #map and region selection
        self.staticBox = wx.StaticBox (parent = self, id = wx.ID_ANY, label = " %s " % _("Map selection"))
        sizerM = wx.StaticBoxSizer(self.staticBox, wx.HORIZONTAL)
        self.mapSizer = wx.GridBagSizer(hgap = 5, vgap = 5)

        self.rasterTypeRadio = wx.RadioButton(self, id = wx.ID_ANY, label = " %s " % _("raster"), style = wx.RB_GROUP)
        self.vectorTypeRadio = wx.RadioButton(self, id = wx.ID_ANY, label = " %s " % _("vector"))
        self.drawMap = wx.CheckBox(self, id = wx.ID_ANY, label = "add selected map")
        
        self.mapOrRegionText = [_("Map:"), _("Region:")] 
        dc = wx.PaintDC(self)# determine size of labels
        width = max(dc.GetTextExtent(self.mapOrRegionText[0])[0], dc.GetTextExtent(self.mapOrRegionText[1])[0])
        self.mapText = wx.StaticText(self, id = wx.ID_ANY, label = self.mapOrRegionText[0], size = (width, -1))
        self.select = Select(self, id = wx.ID_ANY, size = globalvar.DIALOG_GSELECT_SIZE,
                             type = 'raster', multiple = False,
                             updateOnPopup = True, onPopup = None)
                            
        self.mapSizer.Add(self.rasterTypeRadio, pos = (0, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.mapSizer.Add(self.vectorTypeRadio, pos = (0, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.mapSizer.Add(self.drawMap, pos = (0, 3), flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        self.mapSizer.Add(self.mapText, pos = (1, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.mapSizer.Add(self.select, pos = (1, 1), span = (1, 3), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
                 
        sizerM.Add(self.mapSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        gridBagSizer.Add(sizerM, pos = (2, 0), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        

        #map scale and center
        boxC   = wx.StaticBox (parent = self, id = wx.ID_ANY, label = " %s " % _("Map scale and center"))
        sizerC = wx.StaticBoxSizer(boxC, wx.HORIZONTAL)
        self.centerSizer = wx.FlexGridSizer(rows = 2, cols = 5, hgap = 5, vgap = 5)        
                
                           
        centerText = wx.StaticText(self, id = wx.ID_ANY, label = _("Center:"))
        self.eastingText = wx.StaticText(self, id = wx.ID_ANY, label = _("E:"))
        self.northingText = wx.StaticText(self, id = wx.ID_ANY, label = _("N:"))
        self.eastingTextCtrl = wx.TextCtrl(self, id = wx.ID_ANY, style = wx.TE_RIGHT, validator = TCValidator(flag = 'DIGIT_ONLY'))
        self.northingTextCtrl = wx.TextCtrl(self, id = wx.ID_ANY, style = wx.TE_RIGHT, validator = TCValidator(flag = 'DIGIT_ONLY'))
        scaleText = wx.StaticText(self, id = wx.ID_ANY, label = _("Scale:"))
        scalePrefixText = wx.StaticText(self, id = wx.ID_ANY, label = _("1 :"))
        self.scaleTextCtrl = wx.TextCtrl(self, id = wx.ID_ANY, value = "", style = wx.TE_RIGHT, validator = TCValidator('DIGIT_ONLY'))
        
        self.centerSizer.Add(centerText, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.RIGHT, border = 10)
        self.centerSizer.Add(self.eastingText, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        self.centerSizer.Add(self.eastingTextCtrl, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.centerSizer.Add(self.northingText, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        self.centerSizer.Add(self.northingTextCtrl, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        self.centerSizer.Add(scaleText, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.RIGHT, border = 10)
        self.centerSizer.Add(scalePrefixText, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        self.centerSizer.Add(self.scaleTextCtrl, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizerC.Add(self.centerSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        gridBagSizer.Add(sizerC, pos = (3, 0), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        
        #resolution
        flexSizer = wx.FlexGridSizer(rows = 1, cols = 2, hgap = 5, vgap = 5)
        
        resolutionText = wx.StaticText(self, id = wx.ID_ANY, label = _("Map max resolution (dpi):"))
        self.resolutionSpin = wx.SpinCtrl(self, id = wx.ID_ANY, min = 1, max = 1000, initial = 300)
        
        flexSizer.Add(resolutionText, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(self.resolutionSpin, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.resolutionSpin.SetValue(self.mapFrameDict['resolution'])
        
        gridBagSizer.Add(flexSizer, pos = (4, 0), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # border
        box   = wx.StaticBox (parent = self, id = wx.ID_ANY, label = " %s " % _("Border"))        
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        
        self.borderCheck = wx.CheckBox(self, id = wx.ID_ANY, label = (_("draw border around map frame")))
        if self.mapFrameDict['border'] == 'y':
            self.borderCheck.SetValue(True)
        else: 
            self.borderCheck.SetValue(False)
        
        self.borderColorText = wx.StaticText(self, id = wx.ID_ANY, label = _("border color:"))
        self.borderWidthText = wx.StaticText(self, id = wx.ID_ANY, label = _("border width (pts):"))
        self.borderColourPicker = wx.ColourPickerCtrl(self, id = wx.ID_ANY)
        self.borderWidthCtrl = wx.SpinCtrl(self, id = wx.ID_ANY, min = 1, max = 100, initial = 1)
        
        if self.mapFrameDict['border'] == 'y':
            self.borderWidthCtrl.SetValue(int(self.mapFrameDict['width']))
            self.borderColourPicker.SetColour(convertRGB(self.mapFrameDict['color']))
        
        
        gridBagSizer.Add(self.borderCheck, pos = (0, 0), span = (1,2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.borderColorText, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.borderWidthText, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.borderColourPicker, pos = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.borderWidthCtrl, pos = (2, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.SetSizer(border)
        self.Fit()
        
        
        if projInfo()['proj'] == 'll':
            self.scaleChoice.SetItems(self.scaleChoice.GetItems()[0:3])
            boxC.Hide()
            for each in self.centerSizer.GetChildren():
                each.GetWindow().Hide()

            
        # bindings
        self.scaleChoice.Bind(wx.EVT_CHOICE, self.OnScaleChoice)
        self.select.GetTextCtrl().Bind(wx.EVT_TEXT, self.OnMap)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnElementType, self.vectorTypeRadio)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnElementType, self.rasterTypeRadio)
        self.Bind(wx.EVT_CHECKBOX, self.OnBorder, self.borderCheck)
        
        
     
    def OnMap(self, event):
        """!Selected map or region changing"""
        
        if self.select.GetValue():
            self.selected = self.select.GetValue() 
        else:
            self.selected = None

        if self.scaleChoice.GetSelection() == 0:
            self.selectedMap = self.selected
            if self.rasterTypeRadio.GetValue():
                mapType = 'raster' 
            else:
                mapType = 'vector'

            self.scale[0], self.center[0], foo = AutoAdjust(self, scaleType = 0, map = self.selected,
                                                mapType = mapType, rect = self.mapFrameDict['rect'])
            #self.center[0] = self.RegionCenter(self.RegionDict(scaleType = 0))

        elif self.scaleChoice.GetSelection() == 1:
            self.selectedRegion = self.selected
            self.scale[1], self.center[1],  foo = AutoAdjust(self, scaleType = 1, region = self.selected, rect = self.mapFrameDict['rect'])
            #self.center[1] = self.RegionCenter(self.RegionDict(scaleType = 1))
        elif self.scaleChoice.GetSelection() == 2:
            self.scale[2], self.center[2], foo = AutoAdjust(self, scaleType = 2, rect = self.mapFrameDict['rect'])
            #self.center[2] = self.RegionCenter(self.RegionDict(scaleType = 2))
            
        else:
            self.scale[3] = None        
            self.center[3] = None
            
        self.OnScaleChoice(None)
        
            
    def OnScaleChoice(self, event):
        """!Selected scale type changing"""
        
        scaleType = self.scaleChoice.GetSelection()
        if self.scaleType != scaleType:
            self.scaleType = scaleType
            self.select.SetValue("")
        
        if scaleType in (0, 1): # automatic - region from raster map, saved region
            if scaleType == 0:
                # set map selection
                self.rasterTypeRadio.Show()
                self.vectorTypeRadio.Show()
                self.drawMap.Show()
                self.staticBox.SetLabel(" %s " % _("Map selection"))
                if self.rasterTypeRadio.GetValue():
                    stype = 'raster' 
                else:
                    stype = 'vector'

                self.select.SetElementList(type = stype)
                self.mapText.SetLabel(self.mapOrRegionText[0])
                self.select.SetToolTipString(_("Region is set to match this map,\nraster or vector map must be added later"))
                    
            if scaleType == 1:
                # set region selection
                self.rasterTypeRadio.Hide()
                self.vectorTypeRadio.Hide()
                self.drawMap.Hide()
                self.staticBox.SetLabel(" %s " % _("Region selection"))
                stype = 'region'
                self.select.SetElementList(type = stype)
                self.mapText.SetLabel(self.mapOrRegionText[1])
                self.select.SetToolTipString("")

            for each in self.mapSizer.GetChildren():
                each.GetWindow().Enable()
            for each in self.centerSizer.GetChildren():
                each.GetWindow().Disable()
                    
            if self.scale[scaleType]:
                
                self.scaleTextCtrl.SetValue("%.0f" % (1/self.scale[scaleType]))
            if self.center[scaleType]:
                self.eastingTextCtrl.SetValue(str(self.center[scaleType][0]))
                self.northingTextCtrl.SetValue(str(self.center[scaleType][1]))
        elif scaleType == 2:
            for each in self.mapSizer.GetChildren():
                each.GetWindow().Disable()
            for each in self.centerSizer.GetChildren():
                each.GetWindow().Disable()
                
            if self.scale[scaleType]:
                self.scaleTextCtrl.SetValue("%.0f" % (1/self.scale[scaleType]))
            if self.center[scaleType]:
                self.eastingTextCtrl.SetValue(str(self.center[scaleType][0]))
                self.northingTextCtrl.SetValue(str(self.center[scaleType][1]))
        else: # fixed
            for each in self.mapSizer.GetChildren():
                each.GetWindow().Disable()
            for each in self.centerSizer.GetChildren():
                each.GetWindow().Enable()
                    
            if self.scale[scaleType]:
                self.scaleTextCtrl.SetValue("%.0f" % (1/self.scale[scaleType]))
            if self.center[scaleType]:
                self.eastingTextCtrl.SetValue(str(self.center[scaleType][0]))
                self.northingTextCtrl.SetValue(str(self.center[scaleType][1]))
                
    def OnElementType(self, event):
        """!Changes data in map selection tree ctrl popup"""
        if self.rasterTypeRadio.GetValue():
            mapType = 'raster'
        else:
            mapType = 'vector'
        self.select.SetElementList(type  = mapType)
        if self.mapType != mapType and event is not None:
            self.mapType = mapType
            self.select.SetValue('')
        self.mapType = mapType    
        
    def OnBorder(self, event):
        """!Enables/disable the part relating to border of map frame"""
        for each in (self.borderColorText, self.borderWidthText, self.borderColourPicker, self.borderWidthCtrl):
            each.Enable(self.borderCheck.GetValue())
            
    def getId(self):
        """!Returns id of raster map"""
        return self.id
            
    def update(self):
        """!Save changes"""
        mapFrameDict = dict(self.mapFrameDict)
        # resolution
        mapFrameDict['resolution'] = self.resolutionSpin.GetValue()
        #scale
        scaleType = self.scaleType
        mapFrameDict['scaleType'] = scaleType
        
        if mapFrameDict['scaleType'] == 0:
            if self.select.GetValue():
                mapFrameDict['drawMap'] = self.drawMap.GetValue()
                mapFrameDict['map'] = self.select.GetValue()
                mapFrameDict['mapType'] = self.mapType
                mapFrameDict['region'] = None
                
                if mapFrameDict['drawMap']:

                    if mapFrameDict['mapType'] == 'raster':
                        mapFile = grass.find_file(mapFrameDict['map'], element = 'cell')
                        if mapFile['file'] == '':
                            GMessage("Raster %s not found" % mapFrameDict['map'])
                            return False
                        raster = self.instruction.FindInstructionByType('raster')
                        if raster:
                            raster['raster'] = mapFrameDict['map']
                        else:
                            raster = Raster(wx.NewId())
                            raster['raster'] = mapFrameDict['map']
                            raster['isRaster'] = True
                            self.instruction.AddInstruction(raster)

                    elif mapFrameDict['mapType'] == 'vector':
                        
                        mapFile = grass.find_file(mapFrameDict['map'], element = 'vector')
                        if mapFile['file'] == '':
                            GMessage("Vector %s not found" % mapFrameDict['map'])
                            return False
                        
                        vector = self.instruction.FindInstructionByType('vector')
                        isAdded = False
                        if vector:
                            for each in vector['list']:
                                if each[0] == mapFrameDict['map']:
                                    isAdded = True
                        if not isAdded:
                            topoInfo = grass.vector_info_topo(map = mapFrameDict['map'])
                            if topoInfo:
                                if bool(topoInfo['areas']):
                                    topoType = 'areas'
                                elif bool(topoInfo['lines']):
                                    topoType = 'lines'
                                else:
                                    topoType = 'points'
                                label = '('.join(mapFrameDict['map'].split('@')) + ')'
                           
                                if not vector:
                                    vector = Vector(wx.NewId())
                                    vector['list'] = []
                                    self.instruction.AddInstruction(vector)
                                id = wx.NewId()
                                vector['list'].insert(0, [mapFrameDict['map'], topoType, id, 1, label])
                                vProp = VProperties(id, topoType)
                                vProp['name'], vProp['label'], vProp['lpos'] = mapFrameDict['map'], label, 1
                                self.instruction.AddInstruction(vProp)
                            else:
                                return False
                            
                self.scale[0], self.center[0], self.rectAdjusted = AutoAdjust(self, scaleType = 0, map = mapFrameDict['map'],
                                                                   mapType = self.mapType, rect = self.mapFrameDict['rect'])
                                               
                if self.rectAdjusted:
                    mapFrameDict['rect'] = self.rectAdjusted 
                else:
                    mapFrameDict['rect'] = self.mapFrameDict['rect']

                mapFrameDict['scale'] = self.scale[0]
                
                mapFrameDict['center'] = self.center[0]
                # set region
                if self.mapType == 'raster':
                    RunCommand('g.region', rast = mapFrameDict['map'])
                if self.mapType == 'vector':
                    raster = self.instruction.FindInstructionByType('raster')
                    if raster:
                        rasterId = raster.id 
                    else:
                        rasterId = None

                    if rasterId:
                        
                        RunCommand('g.region', vect = mapFrameDict['map'], rast = self.instruction[rasterId]['raster'])
                    else:
                        RunCommand('g.region', vect = mapFrameDict['map'])
                
                    
                
            else:
                wx.MessageBox(message = _("No map selected!"),
                                    caption = _('Invalid input'), style = wx.OK|wx.ICON_ERROR)
                return False    
            
        elif mapFrameDict['scaleType'] == 1:
            if self.select.GetValue():
                mapFrameDict['drawMap'] = False
                mapFrameDict['map'] = None
                mapFrameDict['mapType'] = None
                mapFrameDict['region'] = self.select.GetValue()
                self.scale[1], self.center[1], self.rectAdjusted = AutoAdjust(self, scaleType = 1, region = mapFrameDict['region'],
                                                                                rect = self.mapFrameDict['rect'])
                if self.rectAdjusted:
                    mapFrameDict['rect'] = self.rectAdjusted 
                else:
                    mapFrameDict['rect'] = self.mapFrameDict['rect']

                mapFrameDict['scale'] = self.scale[1]
                mapFrameDict['center'] = self.center[1]
                # set region
                RunCommand('g.region', region = mapFrameDict['region'])
            else:
                wx.MessageBox(message = _("No region selected!"),
                                    caption = _('Invalid input'), style = wx.OK|wx.ICON_ERROR)
                return False 
                               
        elif scaleType == 2:
            mapFrameDict['drawMap'] = False
            mapFrameDict['map'] = None
            mapFrameDict['mapType'] = None
            mapFrameDict['region'] = None
            self.scale[2], self.center[2], self.rectAdjusted = AutoAdjust(self, scaleType = 2, rect = self.mapFrameDict['rect'])
            if self.rectAdjusted:
                mapFrameDict['rect'] = self.rectAdjusted 
            else:
                mapFrameDict['rect'] = self.mapFrameDict['rect']

            mapFrameDict['scale'] = self.scale[2]
            mapFrameDict['center'] = self.center[2]
            
            env = grass.gisenv()
            windFilePath = os.path.join(env['GISDBASE'], env['LOCATION_NAME'], env['MAPSET'], 'WIND')
            try:
                windFile = open(windFilePath, 'r').read()
                region = grass.parse_key_val(windFile, sep = ':', val_type = float)
            except IOError:
                region = grass.region()
            
            raster = self.instruction.FindInstructionByType('raster')
            if raster:
                rasterId = raster.id 
            else:
                rasterId = None

            if rasterId: # because of resolution
                RunCommand('g.region', n = region['north'], s = region['south'],
                            e = region['east'], w = region['west'], rast = self.instruction[rasterId]['raster'])
            else:
                RunCommand('g.region', n = region['north'], s = region['south'],
                           e = region['east'], w = region['west'])
            
        elif scaleType == 3:
            mapFrameDict['drawMap'] = False
            mapFrameDict['map'] = None
            mapFrameDict['mapType'] = None
            mapFrameDict['region'] = None
            mapFrameDict['rect'] = self.mapFrameDict['rect']
            try:
                scaleNumber = float(self.scaleTextCtrl.GetValue())
                centerE = float(self.eastingTextCtrl.GetValue()) 
                centerN = float(self.northingTextCtrl.GetValue())
            except (ValueError, SyntaxError):
                wx.MessageBox(message = _("Invalid scale or map center!"),
                                    caption = _('Invalid input'), style = wx.OK|wx.ICON_ERROR)
                return False  
            mapFrameDict['scale'] = 1/scaleNumber
            mapFrameDict['center'] = centerE, centerN
        
            ComputeSetRegion(self, mapDict = mapFrameDict)
        
        # check resolution
        SetResolution(dpi = mapFrameDict['resolution'], width = mapFrameDict['rect'].width,
                                                        height = mapFrameDict['rect'].height)
        # border
        if self.borderCheck.GetValue():
            mapFrameDict['border'] = 'y' 
        else:
            mapFrameDict['border'] = 'n'

        if mapFrameDict['border'] == 'y':
            mapFrameDict['width'] = self.borderWidthCtrl.GetValue()
            mapFrameDict['color'] = convertRGB(self.borderColourPicker.GetColour())
            
        if self.id not in self.instruction:
            mapFrame = MapFrame(self.id)
            self.instruction.AddInstruction(mapFrame)
        self.instruction[self.id].SetInstruction(mapFrameDict)

        if self.id not in self.mapDialog.parent.objectId:
            self.mapDialog.parent.objectId.insert(0, self.id)# map frame is drawn first
        return True
        
class RasterPanel(wx.Panel):
    """!Panel for raster map settings"""
    def __init__(self, parent, id, settings,  notebook = True):
        wx.Panel.__init__(self, parent, id = wx.ID_ANY, style = wx.TAB_TRAVERSAL)
        self.instruction = settings
        
        if notebook:
            self.book = parent
            self.book.AddPage(page = self, text = _("Raster map"))
            self.mainDialog = self.book.GetParent()
        else:
            self.mainDialog = parent
        if id:
            self.id = id
            self.rasterDict = self.instruction[self.id].GetInstruction()
        else:
            self.id = wx.NewId()
            raster = Raster(self.id)
            self.rasterDict = raster.GetInstruction()
            
            
        self._layout()
        self.OnRaster(None)
            
    def _layout(self):
        """!Do layout"""
        border = wx.BoxSizer(wx.VERTICAL)
        
        # choose raster map
        
        box   = wx.StaticBox (parent = self, id = wx.ID_ANY, label = " %s " % _("Choose raster map"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        
        self.rasterNoRadio = wx.RadioButton(self, id = wx.ID_ANY, label = _("no raster map"), style = wx.RB_GROUP)
        self.rasterYesRadio = wx.RadioButton(self, id = wx.ID_ANY, label = _("raster:"))
        
        self.rasterSelect = Select(self, id = wx.ID_ANY, size = globalvar.DIALOG_GSELECT_SIZE,
                             type = 'raster', multiple = False,
                             updateOnPopup = True, onPopup = None)
        if self.rasterDict['isRaster']:
            self.rasterYesRadio.SetValue(True)
            self.rasterNoRadio.SetValue(False)
            self.rasterSelect.SetValue(self.rasterDict['raster'])
        else:
            self.rasterYesRadio.SetValue(False)
            self.rasterNoRadio.SetValue(True)
            mapId = self.instruction.FindInstructionByType('map').id

            if self.instruction[mapId]['map'] and self.instruction[mapId]['mapType'] == 'raster':
                self.rasterSelect.SetValue(self.instruction[mapId]['map'])# raster map from map frame dialog if possible
            else:
                self.rasterSelect.SetValue('')                
        gridBagSizer.Add(self.rasterNoRadio, pos = (0, 0), span = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)            
        gridBagSizer.Add(self.rasterYesRadio, pos = (1, 0),  flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.rasterSelect, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        #self.rasterSelect.GetTextCtrl().Bind(wx.EVT_TEXT, self.OnRaster)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnRaster, self.rasterNoRadio)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnRaster, self.rasterYesRadio)
        
        self.SetSizer(border)
        self.Fit()
        
    def OnRaster(self, event):
        """!Enable/disable raster selection"""
        self.rasterSelect.Enable(self.rasterYesRadio.GetValue())
        
    def update(self):
        #draw raster
        mapInstr = self.instruction.FindInstructionByType('map')
        if not mapInstr: # no map frame
            GMessage(message = _("Please, create map frame first."))
            return
            
        if self.rasterNoRadio.GetValue() or not self.rasterSelect.GetValue():
            self.rasterDict['isRaster'] = False
            self.rasterDict['raster'] = None
            mapInstr['drawMap'] = False
            if self.id in self.instruction:
                del self.instruction[self.id]

        else:
            self.rasterDict['isRaster'] = True
            self.rasterDict['raster'] = self.rasterSelect.GetValue()
            if self.rasterDict['raster'] != mapInstr['drawMap']:
                mapInstr['drawMap'] = False

            raster = self.instruction.FindInstructionByType('raster')
            if not raster:
                raster = Raster(self.id)
                self.instruction.AddInstruction(raster)
                self.instruction[self.id].SetInstruction(self.rasterDict)
            else:
                self.instruction[raster.id].SetInstruction(self.rasterDict)
            
        if 'map' in self.mainDialog.parent.openDialogs:
            self.mainDialog.parent.openDialogs['map'].updateDialog()
        return True
        
    def getId(self):
        return self.id
  
class VectorPanel(wx.Panel):
    """!Panel for vector maps settings"""
    def __init__(self, parent, id, settings, notebook = True):
        wx.Panel.__init__(self, parent, id = wx.ID_ANY, style = wx.TAB_TRAVERSAL)
        
        self.parent = parent
        self.instruction = settings
        self.tmpDialogDict = {}
        vectors = self.instruction.FindInstructionByType('vProperties', list = True)
        for vector in vectors:
            self.tmpDialogDict[vector.id] = dict(self.instruction[vector.id].GetInstruction())
        
        if id:
            self.id = id
            self.vectorList = deepcopy(self.instruction[id]['list'])
        else:
            self.id = wx.NewId()
            self.vectorList = []

        vLegend = self.instruction.FindInstructionByType('vectorLegend')
        if vLegend:
            self.vLegendId = vLegend.id 
        else:
            self.vLegendId = None

         
        self._layout()
        
        if notebook:
            self.parent.AddPage(page = self, text = _("Vector maps"))
            self.parent = self.parent.GetParent()
            
    def _layout(self):
        """!Do layout"""
        border = wx.BoxSizer(wx.VERTICAL)
        
        # choose vector map
        
        box   = wx.StaticBox (parent = self, id = wx.ID_ANY, label = " %s " % _("Add map"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        
        text = wx.StaticText(self, id = wx.ID_ANY, label = _("Map:"))
        self.select = Select(self, id = wx.ID_ANY,# size = globalvar.DIALOG_GSELECT_SIZE,
                             type = 'vector', multiple = False,
                             updateOnPopup = True, onPopup = None)
        topologyTypeTr = [_("points"), _("lines"), _("areas")]
        self.topologyTypeList = ["points", "lines", "areas"]
        self.vectorType = wx.RadioBox(self, id = wx.ID_ANY, label = " %s " % _("Data Type"), choices = topologyTypeTr,
                                      majorDimension = 3, style = wx.RA_SPECIFY_COLS)
            
        self.AddVector = wx.Button(self, id = wx.ID_ANY, label = _("Add"))
        
        gridBagSizer.Add(text, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.select, pos = (0,1), span = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.vectorType, pos = (1,1), flag = wx.ALIGN_CENTER, border = 0)
        gridBagSizer.Add(self.AddVector, pos = (1,2), flag = wx.ALIGN_BOTTOM|wx.ALIGN_RIGHT, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # manage vector layers
        
        box   = wx.StaticBox (parent = self, id = wx.ID_ANY, label = " %s " % _("Manage vector maps"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(0,2)
        gridBagSizer.AddGrowableCol(1,1)

        
        
        text = wx.StaticText(self, id = wx.ID_ANY, label = _("The topmost vector map overlaps the others"))
        self.listbox = wx.ListBox(self, id = wx.ID_ANY, choices = [], style = wx.LB_SINGLE|wx.LB_NEEDED_SB)
        self.btnUp = wx.Button(self, id = wx.ID_ANY, label = _("Up"))
        self.btnDown = wx.Button(self, id = wx.ID_ANY, label = _("Down"))
        self.btnDel = wx.Button(self, id = wx.ID_ANY, label = _("Delete"))
        self.btnProp = wx.Button(self, id = wx.ID_ANY, label = _("Properties..."))
        
        self.updateListBox(selected=0)
        
        
        gridBagSizer.Add(text, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.listbox, pos = (1,0), span = (4, 1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.btnUp, pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.btnDown, pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.btnDel, pos = (3,1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.btnProp, pos = (4,1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 0, flag = wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(wx.EVT_BUTTON, self.OnAddVector, self.AddVector)
        self.Bind(wx.EVT_BUTTON, self.OnDelete, self.btnDel)
        self.Bind(wx.EVT_BUTTON, self.OnUp, self.btnUp)
        self.Bind(wx.EVT_BUTTON, self.OnDown, self.btnDown)
        self.Bind(wx.EVT_BUTTON, self.OnProperties, self.btnProp)
        self.select.GetTextCtrl().Bind(wx.EVT_TEXT, self.OnVector)
        
        self.SetSizer(border)
        self.Fit()
        
        self.Bind(wx.EVT_LISTBOX_DCLICK, self.OnProperties, self.listbox)

    def OnVector(self, event):
        """!Gets info about toplogy and enables/disables choices point/line/area"""
        vmap = self.select.GetValue()   
        try:     
            topoInfo = grass.vector_info_topo(map = vmap)
        except grass.ScriptError:
            return
        
        if topoInfo:
            self.vectorType.EnableItem(2, bool(topoInfo['areas']))
            self.vectorType.EnableItem(1, bool(topoInfo['boundaries']) or bool(topoInfo['lines']))
            self.vectorType.EnableItem(0, bool(topoInfo['centroids'] or bool(topoInfo['points']) ))
            for item in range(2,-1,-1):
                if self.vectorType.IsItemEnabled(item):
                    self.vectorType.SetSelection(item)
                    break
            
            self.AddVector.SetFocus()        
            
    def OnAddVector(self, event):
        """!Adds vector map to list"""
        vmap = self.select.GetValue()
        if vmap:
            mapname = vmap.split('@')[0]
            try:
                mapset = '(' + vmap.split('@')[1] + ')'
            except IndexError:
                mapset = ''
            idx = self.vectorType.GetSelection()
            ttype = self.topologyTypeList[idx]
            record = "%s - %s" % (vmap, ttype)
            id = wx.NewId()
            lpos = 1
            label = mapname + mapset 
            self.vectorList.insert(0, [vmap, ttype, id, lpos, label])
            self.reposition()
            self.listbox.InsertItems([record], 0)
            
            vector = VProperties(id, ttype)
            self.tmpDialogDict[id] = vector.GetInstruction()
            self.tmpDialogDict[id]['name'] = vmap

            
            self.listbox.SetSelection(0)  
            self.listbox.EnsureVisible(0)
            self.btnProp.SetFocus()
            self.enableButtons()
            
    def OnDelete(self, event):
        """!Deletes vector map from the list"""
        if self.listbox.GetSelections():
            pos = self.listbox.GetSelection()
            id = self.vectorList[pos][2]
            del self.vectorList[pos]
            del self.tmpDialogDict[id]
            
            for i in range(pos, len(self.vectorList)):
                if self.vectorList[i][3]:# can be 0
                    self.vectorList[i][3] -= 1
            
            if pos < len(self.vectorList) -1:
                selected = pos
            else:
                selected = len(self.vectorList) -1
            self.updateListBox(selected = selected)
            if self.listbox.IsEmpty():
                self.enableButtons(False)
            
            
    def OnUp(self, event):
        """!Moves selected map to top"""
        if self.listbox.GetSelections():
            pos = self.listbox.GetSelection()
            if pos:
                self.vectorList.insert(pos - 1, self.vectorList.pop(pos))
            if not self.vLegendId:
                self.reposition()
                
            if pos > 0:
                self.updateListBox(selected = (pos - 1)) 
            else:
                self.updateListBox(selected = 0)

            
    def OnDown(self, event):
        """!Moves selected map to bottom"""
        if self.listbox.GetSelections():
            pos = self.listbox.GetSelection()
            if pos != len(self.vectorList) - 1:
                self.vectorList.insert(pos + 1, self.vectorList.pop(pos))
                if not self.vLegendId:
                    self.reposition()
            if pos < len(self.vectorList) -1:
                self.updateListBox(selected = (pos + 1)) 
            else:
                self.updateListBox(selected = len(self.vectorList) -1)

    
    def OnProperties(self, event):
        """!Opens vector map properties dialog"""
        if self.listbox.GetSelections():
            pos = self.listbox.GetSelection()
            id = self.vectorList[pos][2]

            dlg = VPropertiesDialog(self, id = id, settings = self.instruction, 
                                    vectors = self.vectorList, tmpSettings = self.tmpDialogDict[id])
            dlg.ShowModal()
            
            self.parent.FindWindowById(wx.ID_OK).SetFocus()
           
    def enableButtons(self, enable = True):
        """!Enable/disable up, down, properties, delete buttons"""
        self.btnUp.Enable(enable)
        self.btnDown.Enable(enable)
        self.btnProp.Enable(enable)
        self.btnDel.Enable(enable)
    
    def updateListBox(self, selected = None):
        mapList = ["%s - %s" % (item[0], item[1]) for item in self.vectorList]
        self.listbox.Set(mapList)
        if self.listbox.IsEmpty():
            self.enableButtons(False)
        else:
            self.enableButtons(True)
            if selected is not None:
                self.listbox.SetSelection(selected)  
                self.listbox.EnsureVisible(selected)  
              
    def reposition(self):
        """!Update position in legend, used only if there is no vlegend yet"""
        for i in range(len(self.vectorList)):
            if self.vectorList[i][3]:
                self.vectorList[i][3] = i + 1
                
    def getId(self):
        return self.id
        
    def update(self):
        vectors = self.instruction.FindInstructionByType('vProperties', list = True)
        
        for vector in vectors:
            del self.instruction[vector.id]
        if self.id in self.instruction:
            del self.instruction[self.id] 

        if len(self.vectorList) > 0:
            vector = Vector(self.id)
            self.instruction.AddInstruction(vector)

            vector.SetInstruction({'list': deepcopy(self.vectorList)})
            
            # save new vectors
            for item in self.vectorList:
                id = item[2]

                vLayer = VProperties(id, item[1])
                self.instruction.AddInstruction(vLayer)
                vLayer.SetInstruction(self.tmpDialogDict[id])
                vLayer['name'] = item[0]
                vLayer['label'] = item[4]
                vLayer['lpos'] = item[3]
            
        else:
            if self.id in self.instruction:
                del self.instruction[self.id]
                
        if 'map' in self.parent.parent.openDialogs:
            self.parent.parent.openDialogs['map'].updateDialog()

        return True
    
class RasterDialog(PsmapDialog):
    def __init__(self, parent, id, settings):
        PsmapDialog.__init__(self, parent = parent, id = id, title = _("Raster map settings"), settings = settings)
        self.objectType = ('raster',)
        
        self.rPanel = RasterPanel(parent = self, id = self.id, settings = self.instruction, notebook = False)

        self.id = self.rPanel.getId()
        self._layout(self.rPanel)
    
    def update(self):
        ok = self.rPanel.update()
        if ok:
            return True
        return False
    
    def OnApply(self, event):
        ok = self.update()
        if not ok:
            return False

        if self.id in self.instruction:
            self.parent.DialogDataChanged(id = self.id)
        else:
            mapId = self.instruction.FindInstructionByType('map').id
            self.parent.DialogDataChanged(id = mapId)
        return True
    
    def updateDialog(self):
        """!Update information (not used)"""
        pass
##        if 'map' in self.parent.openDialogs:
##            if self.parent.openDialogs['map'].mPanel.rasterTypeRadio.GetValue()\
##                    and self.parent.openDialogs['map'].mPanel.select.GetValue():
##                if self.parent.openDialogs['map'].mPanel.drawMap.IsChecked():
##                    self.rPanel.rasterSelect.SetValue(self.parent.openDialogs['map'].mPanel.select.GetValue())   
                
class MainVectorDialog(PsmapDialog):
    def __init__(self, parent, id, settings):
        PsmapDialog.__init__(self, parent = parent, id = id, title = _("Vector maps settings"), settings = settings)
        self.objectType = ('vector',)
        self.vPanel = VectorPanel(parent = self, id = self.id, settings = self.instruction, notebook = False)

        self.id = self.vPanel.getId()
        self._layout(self.vPanel)
    
    def update(self):
        self.vPanel.update()
        
    def OnApply(self, event):
        self.update()
        if self.id in self.instruction:
            self.parent.DialogDataChanged(id = self.id)
        else:
            mapId = self.instruction.FindInstructionByType('map').id
            self.parent.DialogDataChanged(id = mapId)
        return True
        
    def updateDialog(self):
        """!Update information (not used)"""
        pass
        
class VPropertiesDialog(PsmapDialog):
    def __init__(self, parent, id, settings, vectors, tmpSettings):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "", settings = settings, apply = False)
        
        vectorList = vectors
        self.vPropertiesDict = tmpSettings
        
        # determine map and its type
        for item in vectorList:
            if id == item[2]:
                self.vectorName = item[0]
                self.type = item[1]
        self.SetTitle(_("%s properties") % self.vectorName)
        
        #vector map info
        self.connection = True
        try:
            self.mapDBInfo = VectorDBInfo(self.vectorName)
            self.layers = self.mapDBInfo.layers.keys()
        except grass.ScriptError:
            self.connection = False
            self.layers = []
        if not self.layers:
            self.connection = False
            self.layers = []
            
        self.currLayer = self.vPropertiesDict['layer']
        
        #path to symbols, patterns
        gisbase = os.getenv("GISBASE")
        self.symbolPath = os.path.join(gisbase, 'etc', 'symbol')
        self.symbols = []
        for dir in os.listdir(self.symbolPath):
            for symbol in os.listdir(os.path.join(self.symbolPath, dir)):
                self.symbols.append(os.path.join(dir, symbol))
        self.patternPath = os.path.join(gisbase, 'etc', 'paint', 'patterns')

        #notebook
        notebook = wx.Notebook(parent = self, id = wx.ID_ANY, style = wx.BK_DEFAULT)
        self.DSpanel = self._DataSelectionPanel(notebook)
        self.EnableLayerSelection(enable = self.connection)
        selectPanel = { 'points': [self._ColorsPointAreaPanel, self._StylePointPanel], 
                        'lines': [self._ColorsLinePanel, self._StyleLinePanel], 
                        'areas': [self._ColorsPointAreaPanel, self._StyleAreaPanel]}
        self.ColorsPanel = selectPanel[self.type][0](notebook)
        
        self.OnOutline(None)
        if self.type in ('points', 'areas'):
            self.OnFill(None)
        self.OnColor(None)
        
        self.StylePanel = selectPanel[self.type][1](notebook)
        if self.type == 'points':
            self.OnSize(None)
            self.OnRotation(None)
        if self.type == 'areas':
            self.OnPattern(None)
        
        self._layout(notebook)
        
    def _DataSelectionPanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Data selection"))
        
        border = wx.BoxSizer(wx.VERTICAL)
        
        # data type
        self.checkType1 = self.checkType2 = None
        if self.type in ('lines', 'points'):
            box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Feature type"))
            sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
            gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
            if self.type == 'points':
                label = (_("points"), _("centroids"))
            else: 
                label = (_("lines"), _("boundaries"))
            if self.type == 'points':
                name = ("point", "centroid")
            else:
                name = ("line", "boundary")
            self.checkType1 = wx.CheckBox(panel, id = wx.ID_ANY, label = label[0], name = name[0])
            self.checkType2 = wx.CheckBox(panel, id = wx.ID_ANY, label = label[1], name = name[1])
            self.checkType1.SetValue(self.vPropertiesDict['type'].find(name[0]) >= 0)
            self.checkType2.SetValue(self.vPropertiesDict['type'].find(name[1]) >= 0)
            
            gridBagSizer.Add(self.checkType1, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            gridBagSizer.Add(self.checkType2, pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
            border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # layer selection
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Layer selection"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        self.gridBagSizerL = wx.GridBagSizer(hgap = 5, vgap = 5)
        
        self.warning =  wx.StaticText(panel, id = wx.ID_ANY, label = "")
        if not self.connection:
            self.warning = wx.StaticText(panel, id = wx.ID_ANY, label = _("Database connection is not defined in DB file."))
        text = wx.StaticText(panel, id = wx.ID_ANY, label = _("Select layer:"))
        self.layerChoice = wx.Choice(panel, id = wx.ID_ANY, choices = map(str, self.layers), size = self.spinCtrlSize)
        
        self.layerChoice.SetStringSelection(self.currLayer)
                
        if self.connection:
            table = self.mapDBInfo.layers[int(self.currLayer)]['table'] 
        else:
            table = ""

        self.radioWhere = wx.RadioButton(panel, id = wx.ID_ANY, label = "SELECT * FROM %s WHERE" % table, style = wx.RB_GROUP)
        self.textCtrlWhere = wx.TextCtrl(panel, id = wx.ID_ANY, value = "")
        
        
        if self.connection:
            cols = self.mapDBInfo.GetColumns(self.mapDBInfo.layers[int(self.currLayer)]['table']) 
        else:
            cols = []

        self.choiceColumns = wx.Choice(panel, id = wx.ID_ANY, choices = cols)
        
        self.radioCats = wx.RadioButton(panel, id = wx.ID_ANY, label = "Choose categories ")
        self.textCtrlCats = wx.TextCtrl(panel, id = wx.ID_ANY, value = "")
        self.textCtrlCats.SetToolTipString(_("list of categories (e.g. 1,3,5-7)"))
        
        if self.vPropertiesDict.has_key('cats'):
            self.radioCats.SetValue(True)
            self.textCtrlCats.SetValue(self.vPropertiesDict['cats'])
        if self.vPropertiesDict.has_key('where'):
            self.radioWhere.SetValue(True)
            where = self.vPropertiesDict['where'].strip().split(" ",1)
            self.choiceColumns.SetStringSelection(where[0])
            self.textCtrlWhere.SetValue(where[1])
            
        row = 0
        if not self.connection:
            self.gridBagSizerL.Add(self.warning, pos = (0,0), span = (1,3), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            row = 1
        self.gridBagSizerL.Add(text, pos = (0 + row,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerL.Add(self.layerChoice, pos = (0 + row,1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        self.gridBagSizerL.Add(self.radioWhere, pos = (1 + row,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerL.Add(self.choiceColumns, pos = (1 + row,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerL.Add(self.textCtrlWhere, pos = (1 + row,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerL.Add(self.radioCats, pos = (2 + row,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerL.Add(self.textCtrlCats, pos = (2 + row,1), span = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(self.gridBagSizerL, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        #mask
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Mask"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        
        self.mask = wx.CheckBox(panel, id = wx.ID_ANY, label = _("Use current mask"))
        if self.vPropertiesDict['masked'] == 'y':
            self.mask.SetValue(True) 
        else:
            self.mask.SetValue(False)
        
        sizer.Add(self.mask, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)

        self.Bind(wx.EVT_CHOICE, self.OnLayer, self.layerChoice)
        
        panel.SetSizer(border)
        panel.Fit()
        return panel
    
    def _ColorsPointAreaPanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Colors"))
        
        border = wx.BoxSizer(wx.VERTICAL)
        
        #colors - outline
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Outline"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        self.gridBagSizerO = wx.GridBagSizer(hgap = 5, vgap = 2)
        
        self.outlineCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("draw outline"))
        self.outlineCheck.SetValue(self.vPropertiesDict['color'] != 'none')
        
        widthText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Width (pts):"))
        if fs:
            self.widthSpin = fs.FloatSpin(panel, id = wx.ID_ANY, min_val = 0, max_val = 30,
                                          increment = 0.5, value = 1, style = fs.FS_RIGHT)
            self.widthSpin.SetFormat("%f")
            self.widthSpin.SetDigits(2)
        else:
            self.widthSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 25, initial = 1,
                                         size = self.spinCtrlSize)
                                        
        if self.vPropertiesDict['color'] == None:
            self.vPropertiesDict['color'] = 'none'
 
        if self.vPropertiesDict['color'] != 'none':
            self.widthSpin.SetValue(self.vPropertiesDict['width'] )
        else:
            self.widthSpin.SetValue(1)

        colorText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Color:"))
        self.colorPicker = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        if self.vPropertiesDict['color'] != 'none':
            self.colorPicker.SetColour(convertRGB(self.vPropertiesDict['color'])) 
        else:
            self.colorPicker.SetColour(convertRGB('black'))

        self.gridBagSizerO.Add(self.outlineCheck, pos = (0, 0), span = (1,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerO.Add(widthText, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerO.Add(self.widthSpin, pos = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)        
        self.gridBagSizerO.Add(colorText, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)                
        self.gridBagSizerO.Add(self.colorPicker, pos = (2, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        
        sizer.Add(self.gridBagSizerO, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(wx.EVT_CHECKBOX, self.OnOutline, self.outlineCheck)
        
        #colors - fill
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Fill")) 
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        self.gridBagSizerF = wx.GridBagSizer(hgap = 5, vgap = 2)
       
        self.fillCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("fill color"))
        self.fillCheck.SetValue(self.vPropertiesDict['fcolor'] != 'none' or self.vPropertiesDict['rgbcolumn'] is not None)

        self.colorPickerRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("choose color:"), style = wx.RB_GROUP)
        #set choose color option if there is no db connection
        if self.connection:
            self.colorPickerRadio.SetValue(not self.vPropertiesDict['rgbcolumn'])
        else:
            self.colorPickerRadio.SetValue(False)            
        self.fillColorPicker = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        if self.vPropertiesDict['fcolor'] != 'none':
            self.fillColorPicker.SetColour(convertRGB(self.vPropertiesDict['fcolor'])) 
        else:
            self.fillColorPicker.SetColour(convertRGB('red'))        
        
        self.colorColRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("color from map table column:"))
        self.colorColChoice = self.getColsChoice(parent = panel)
        if self.connection:
            if self.vPropertiesDict['rgbcolumn']:
                self.colorColRadio.SetValue(True)
                self.colorColChoice.SetStringSelection(self.vPropertiesDict['rgbcolumn'])
            else:
                self.colorColRadio.SetValue(False)
                self.colorColChoice.SetSelection(0)
        self.colorColChoice.Enable(self.connection)
        self.colorColRadio.Enable(self.connection)
        
        self.gridBagSizerF.Add(self.fillCheck, pos = (0, 0), span = (1,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerF.Add(self.colorPickerRadio, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerF.Add(self.fillColorPicker, pos = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerF.Add(self.colorColRadio, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerF.Add(self.colorColChoice, pos = (2, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)        
        
        sizer.Add(self.gridBagSizerF, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)

        self.Bind(wx.EVT_CHECKBOX, self.OnFill, self.fillCheck)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnColor, self.colorColRadio)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnColor, self.colorPickerRadio)
        
        panel.SetSizer(border)
        panel.Fit()
        return panel
    
    def _ColorsLinePanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Colors"))
        
        border = wx.BoxSizer(wx.VERTICAL)
        
        #colors - outline
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Outline"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        self.gridBagSizerO = wx.GridBagSizer(hgap = 5, vgap = 2)
        
        if self.vPropertiesDict['hcolor'] == None:
            self.vPropertiesDict['hcolor'] = 'none'
        if self.vPropertiesDict['color'] == None:
            self.vPropertiesDict['color'] = 'none'
        
        self.outlineCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("draw outline"))
        self.outlineCheck.SetValue(self.vPropertiesDict['hcolor'] != 'none')
        self.outlineCheck.SetToolTipString(_("No effect for fill color from table column"))
        
        widthText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Width (pts):"))
        
        if fs:
            self.outWidthSpin = fs.FloatSpin(panel, id = wx.ID_ANY, min_val = 0, max_val = 30,
                                             increment = 0.5, value = 1, style = fs.FS_RIGHT)
            self.outWidthSpin.SetFormat("%f")
            self.outWidthSpin.SetDigits(1)
        else:
            self.outWidthSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 30, initial = 1,
                                         size = self.spinCtrlSize)
        
        if self.vPropertiesDict['hcolor'] != 'none':
            self.outWidthSpin.SetValue(self.vPropertiesDict['hwidth'] )
        else:
            self.outWidthSpin.SetValue(1)

        colorText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Color:"))
        self.colorPicker = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        if self.vPropertiesDict['hcolor'] != 'none':
            self.colorPicker.SetColour(convertRGB(self.vPropertiesDict['hcolor']) )
        else:
            self.colorPicker.SetColour(convertRGB('black'))

        
        self.gridBagSizerO.Add(self.outlineCheck, pos = (0, 0), span = (1,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerO.Add(widthText, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerO.Add(self.outWidthSpin, pos = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)        
        self.gridBagSizerO.Add(colorText, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)                
        self.gridBagSizerO.Add(self.colorPicker, pos = (2, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        
        sizer.Add(self.gridBagSizerO, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(wx.EVT_CHECKBOX, self.OnOutline, self.outlineCheck)
        
        #colors - fill
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Fill"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        self.gridBagSizerF = wx.GridBagSizer(hgap = 5, vgap = 2)
       
        fillText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Color of lines:"))

        self.colorPickerRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("choose color:"), style = wx.RB_GROUP)

        #set choose color option if there is no db connection
        if self.connection:
            self.colorPickerRadio.SetValue(not self.vPropertiesDict['rgbcolumn'])
        else:
            self.colorPickerRadio.SetValue(False)            
        self.fillColorPicker = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        if self.vPropertiesDict['color'] != 'none':
            self.fillColorPicker.SetColour(convertRGB(self.vPropertiesDict['color']) )
        else:
            self.fillColorPicker.SetColour(convertRGB('black'))
        
        self.colorColRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("color from map table column:"))
        self.colorColChoice = self.getColsChoice(parent = panel)
        if self.connection:
            if self.vPropertiesDict['rgbcolumn']:
                self.colorColRadio.SetValue(True)
                self.colorColChoice.SetStringSelection(self.vPropertiesDict['rgbcolumn'])
            else:
                self.colorColRadio.SetValue(False)
                self.colorColChoice.SetSelection(0)
        self.colorColChoice.Enable(self.connection)
        self.colorColRadio.Enable(self.connection)
        
        self.gridBagSizerF.Add(fillText, pos = (0, 0), span = (1,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.gridBagSizerF.Add(self.colorPickerRadio, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerF.Add(self.fillColorPicker, pos = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerF.Add(self.colorColRadio, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        self.gridBagSizerF.Add(self.colorColChoice, pos = (2, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)        
        
        sizer.Add(self.gridBagSizerF, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)

        self.Bind(wx.EVT_RADIOBUTTON, self.OnColor, self.colorColRadio)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnColor, self.colorPickerRadio)

        panel.SetSizer(border)
        panel.Fit()
        return panel
    
    def _StylePointPanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Size and style"))
        
        border = wx.BoxSizer(wx.VERTICAL)
        
        #symbology
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Symbology"))        
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(1)
    
        self.symbolRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("symbol:"), style = wx.RB_GROUP)
        self.symbolRadio.SetValue(bool(self.vPropertiesDict['symbol']))
            
         
        self.symbolChoice = wx.Choice(panel, id = wx.ID_ANY, choices = self.symbols)
            
        self.epsRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("eps file:"))
        self.epsRadio.SetValue(bool(self.vPropertiesDict['eps']))
        
        self.epsFileCtrl = filebrowse.FileBrowseButton(panel, id = wx.ID_ANY, labelText = '',
                                buttonText =  _("Browse"), toolTip = _("Type filename or click browse to choose file"), 
                                dialogTitle = _("Choose a file"), startDirectory = '', initialValue = '',
                                fileMask = "Encapsulated PostScript (*.eps)|*.eps|All files (*.*)|*.*", fileMode = wx.OPEN)
        if self.vPropertiesDict['symbol']:
            self.symbolChoice.SetStringSelection(self.vPropertiesDict['symbol'])
            self.epsFileCtrl.SetValue('')
        else: #eps chosen
            self.epsFileCtrl.SetValue(self.vPropertiesDict['eps'])
            self.symbolChoice.SetSelection(0)
            
        gridBagSizer.Add(self.symbolRadio, pos = (0, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.symbolChoice, pos = (0, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.epsRadio, pos = (1, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.epsFileCtrl, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        #size
        
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Size"))        
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(0)
        
        self.sizeRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("size:"), style = wx.RB_GROUP)
        self.sizeSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 50, initial = 1)
        self.sizecolumnRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("size from map table column:"))
        self.sizeColChoice = self.getColsChoice(panel)
        self.scaleText = wx.StaticText(panel, id = wx.ID_ANY, label = _("scale:"))
        self.scaleSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 25, initial = 1)
        
        self.sizeRadio.SetValue(self.vPropertiesDict['size'] is not None)
        self.sizecolumnRadio.SetValue(bool(self.vPropertiesDict['sizecolumn']))
        if self.vPropertiesDict['size']:
            self.sizeSpin.SetValue(self.vPropertiesDict['size'])
        else: self.sizeSpin.SetValue(5)
        if self.vPropertiesDict['sizecolumn']:
            self.scaleSpin.SetValue(self.vPropertiesDict['scale'])
            self.sizeColChoice.SetStringSelection(self.vPropertiesDict['sizecolumn'])
        else:
            self.scaleSpin.SetValue(1)
            self.sizeColChoice.SetSelection(0)
        if not self.connection:   
            for each in (self.sizecolumnRadio, self.sizeColChoice, self.scaleSpin, self.scaleText):
                each.Disable()
            
        gridBagSizer.Add(self.sizeRadio, pos = (0, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.sizeSpin, pos = (0, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.sizecolumnRadio, pos = (1, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.sizeColChoice, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.scaleText, pos = (2, 0), flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        gridBagSizer.Add(self.scaleSpin, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(wx.EVT_RADIOBUTTON, self.OnSize, self.sizeRadio)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnSize, self.sizecolumnRadio)
        
        #rotation
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Rotation"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(1)

        
        self.rotateCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("rotate symbols:"))
        self.rotateRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("counterclockwise in degrees:"), style = wx.RB_GROUP)
        self.rotateSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 0, max = 360, initial = 0)
        self.rotatecolumnRadio = wx.RadioButton(panel, id = wx.ID_ANY, label = _("from map table column:"))
        self.rotateColChoice = self.getColsChoice(panel)
        
        self.rotateCheck.SetValue(self.vPropertiesDict['rotation'])
        self.rotateRadio.SetValue(self.vPropertiesDict['rotate'] is not None)
        self.rotatecolumnRadio.SetValue(bool(self.vPropertiesDict['rotatecolumn']))
        if self.vPropertiesDict['rotate']:
            self.rotateSpin.SetValue(self.vPropertiesDict['rotate'])
        else:
            self.rotateSpin.SetValue(0)
        if self.vPropertiesDict['rotatecolumn']:
            self.rotateColChoice.SetStringSelection(self.vPropertiesDict['rotatecolumn'])
        else:
            self.rotateColChoice.SetSelection(0)
            
        gridBagSizer.Add(self.rotateCheck, pos = (0, 0), span = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.rotateRadio, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.rotateSpin, pos = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.rotatecolumnRadio, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.rotateColChoice, pos = (2, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(wx.EVT_CHECKBOX, self.OnRotation, self.rotateCheck)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnRotationType, self.rotateRadio)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnRotationType, self.rotatecolumnRadio)
        
        panel.SetSizer(border)
        panel.Fit()
        return panel
    
    def _StyleLinePanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Size and style"))
        
        border = wx.BoxSizer(wx.VERTICAL)
        
        #width
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Width"))       
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        
        widthText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Set width (pts):"))
        if fs:
            self.widthSpin = fs.FloatSpin(panel, id = wx.ID_ANY, min_val = 0, max_val = 30,
                                        increment = 0.5, value = 1, style = fs.FS_RIGHT)
            self.widthSpin.SetFormat("%f")
            self.widthSpin.SetDigits(1)
        else:
            self.widthSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 30, initial = 1)
            
        self.cwidthCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("multiply width by category value"))
        
        if self.vPropertiesDict['width']:
            self.widthSpin.SetValue(self.vPropertiesDict['width'])
            self.cwidthCheck.SetValue(False)
        else:
            self.widthSpin.SetValue(self.vPropertiesDict['cwidth'])
            self.cwidthCheck.SetValue(True)
        
        gridBagSizer.Add(widthText, pos = (0, 0),  flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.widthSpin, pos = (0, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.cwidthCheck, pos = (1, 0), span = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        #style
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Line style"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        
        styleText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Choose line style:"))
        penStyles = ["solid", "dashed", "dotted", "dashdotted"]
        self.styleCombo = PenStyleComboBox(panel, choices = penStyles, validator = TCValidator(flag = 'ZERO_AND_ONE_ONLY'))
##        self.styleCombo = wx.ComboBox(panel, id = wx.ID_ANY,
##                            choices = ["solid", "dashed", "dotted", "dashdotted"],
##                            validator = TCValidator(flag = 'ZERO_AND_ONE_ONLY'))
##        self.styleCombo.SetToolTipString(_("It's possible to enter a series of 0's and 1's too. "\
##                                    "The first block of repeated zeros or ones represents 'draw', "\
##                                    "the second block represents 'blank'. An even number of blocks "\
##                                    "will repeat the pattern, an odd number of blocks will alternate the pattern."))
        linecapText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Choose linecap:"))
        self.linecapChoice = wx.Choice(panel, id = wx.ID_ANY, choices = ["butt", "round", "extended_butt"])
        
        self.styleCombo.SetValue(self.vPropertiesDict['style'])
        self.linecapChoice.SetStringSelection(self.vPropertiesDict['linecap'])
        
        gridBagSizer.Add(styleText, pos = (0, 0),  flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.styleCombo, pos = (0, 1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(linecapText, pos = (1, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.linecapChoice, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        panel.SetSizer(border)
        panel.Fit()
        return panel
        
    def _StyleAreaPanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Size and style"))
        
        border = wx.BoxSizer(wx.VERTICAL)
        
        #pattern
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Pattern"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(1)
        
        self.patternCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("use pattern:"))
        self.patFileCtrl = filebrowse.FileBrowseButton(panel, id = wx.ID_ANY, labelText = _("Choose pattern file:"),
                                buttonText =  _("Browse"), toolTip = _("Type filename or click browse to choose file"), 
                                dialogTitle = _("Choose a file"), startDirectory = self.patternPath, initialValue = '',
                                fileMask = "Encapsulated PostScript (*.eps)|*.eps|All files (*.*)|*.*", fileMode = wx.OPEN)
        self.patWidthText = wx.StaticText(panel, id = wx.ID_ANY, label = _("pattern line width (pts):"))
        self.patWidthSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 25, initial = 1)
        self.patScaleText = wx.StaticText(panel, id = wx.ID_ANY, label = _("pattern scale factor:"))
        self.patScaleSpin = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 25, initial = 1)
        
        self.patternCheck.SetValue(bool(self.vPropertiesDict['pat']))
        if self.patternCheck.GetValue():
            self.patFileCtrl.SetValue(self.vPropertiesDict['pat'])
            self.patWidthSpin.SetValue(self.vPropertiesDict['pwidth'])
            self.patScaleSpin.SetValue(self.vPropertiesDict['scale'])
        
        gridBagSizer.Add(self.patternCheck, pos = (0, 0),  flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.patFileCtrl, pos = (1, 0), span = (1, 2),flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.patWidthText, pos = (2, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.patWidthSpin, pos = (2, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.patScaleText, pos = (3, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.patScaleSpin, pos = (3, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(wx.EVT_CHECKBOX, self.OnPattern, self.patternCheck)
        
        panel.SetSizer(border)
        panel.Fit()
        return panel

    def OnLayer(self, event):
        """!Change columns on layer change """
        if self.layerChoice.GetStringSelection() == self.currLayer:
            return
        self.currLayer = self.layerChoice.GetStringSelection()
        if self.connection:
            cols = self.mapDBInfo.GetColumns(self.mapDBInfo.layers[int(self.currLayer)]['table']) 
        else:
            cols = []

        self.choiceColumns.SetItems(cols)

        self.choiceColumns.SetSelection(0)
        if self.type in ('points', 'lines'):
            self.colorColChoice.SetItems(cols)
            self.colorColChoice.SetSelection(0)
            
    def OnOutline(self, event):
        for widget in self.gridBagSizerO.GetChildren():
            if widget.GetWindow() != self.outlineCheck:
                widget.GetWindow().Enable(self.outlineCheck.GetValue())
                
    def OnFill(self, event):
        enable = self.fillCheck.GetValue()
        
        self.colorColChoice.Enable(enable)
        self.colorColRadio.Enable(enable)
        self.fillColorPicker.Enable(enable)
        self.colorPickerRadio.Enable(enable)
        if enable:
            self.OnColor(None)
        if not self.connection:
            self.colorColChoice.Disable()
            self.colorColRadio.Disable()
            
    def OnColor(self, event):
        self.colorColChoice.Enable(self.colorColRadio.GetValue())
        self.fillColorPicker.Enable(self.colorPickerRadio.GetValue())
            
    def OnSize(self, event):
        self.sizeSpin.Enable(self.sizeRadio.GetValue())
        self.sizeColChoice.Enable(self.sizecolumnRadio.GetValue())
        self.scaleText.Enable(self.sizecolumnRadio.GetValue())
        self.scaleSpin.Enable(self.sizecolumnRadio.GetValue())
        
    def OnRotation(self, event):
        for each in (self.rotateRadio, self.rotatecolumnRadio, self.rotateColChoice, self.rotateSpin):
            if self.rotateCheck.GetValue():
                each.Enable()
                self.OnRotationType(event = None)     
            else:
                each.Disable()
           
    def OnRotationType(self, event):
        self.rotateSpin.Enable(self.rotateRadio.GetValue())
        self.rotateColChoice.Enable(self.rotatecolumnRadio.GetValue())
        
    def OnPattern(self, event):
        for each in (self.patFileCtrl, self.patWidthText, self.patWidthSpin, self.patScaleText, self.patScaleSpin):
            each.Enable(self.patternCheck.GetValue())
            
    def EnableLayerSelection(self, enable = True):
        for widget in self.gridBagSizerL.GetChildren():
            if widget.GetWindow() != self.warning:
                widget.GetWindow().Enable(enable)
                
    def getColsChoice(self, parent):
        """!Returns a wx.Choice with table columns"""
        if self.connection:
            cols = self.mapDBInfo.GetColumns(self.mapDBInfo.layers[int(self.currLayer)]['table']) 
        else:
            cols = []

        choice = wx.Choice(parent = parent, id = wx.ID_ANY, choices = cols)
        return choice
        
    def update(self):
        #feature type
        if self.type in ('lines', 'points'):
            featureType = None
            if self.checkType1.GetValue():
                featureType = self.checkType1.GetName()
                if self.checkType2.GetValue():
                    featureType += " or " + self.checkType2.GetName()
            elif self.checkType2.GetValue():
                featureType = self.checkType2.GetName()
            if featureType:
                self.vPropertiesDict['type'] = featureType
            
        # is connection
        self.vPropertiesDict['connection'] = self.connection
        if self.connection:
            self.vPropertiesDict['layer'] = self.layerChoice.GetStringSelection()
            if self.radioCats.GetValue() and not self.textCtrlCats.IsEmpty():
                self.vPropertiesDict['cats'] = self.textCtrlCats.GetValue()
            elif self.radioWhere.GetValue() and not self.textCtrlWhere.IsEmpty():
                self.vPropertiesDict['where'] = self.choiceColumns.GetStringSelection() + " " \
                                                                + self.textCtrlWhere.GetValue()
        #mask
        if self.mask.GetValue():
            self.vPropertiesDict['masked'] = 'y' 
        else:
            self.vPropertiesDict['masked'] = 'n'

        #colors
        if self.type in ('points', 'areas'):
            if self.outlineCheck.GetValue():
                self.vPropertiesDict['color'] = convertRGB(self.colorPicker.GetColour())
                self.vPropertiesDict['width'] = self.widthSpin.GetValue()
            else:
                self.vPropertiesDict['color'] = 'none'
                
            if self.fillCheck.GetValue():
                if self.colorPickerRadio.GetValue():
                    self.vPropertiesDict['fcolor'] = convertRGB(self.fillColorPicker.GetColour())
                    self.vPropertiesDict['rgbcolumn'] = None
                if self.colorColRadio.GetValue():
                    self.vPropertiesDict['fcolor'] = 'none'# this color is taken in case of no record in rgb column
                    self.vPropertiesDict['rgbcolumn'] = self.colorColChoice.GetStringSelection()
            else:
                self.vPropertiesDict['fcolor'] = 'none'    
                
        if self.type == 'lines':
                #hcolor only when no rgbcolumn
            if self.outlineCheck.GetValue():# and self.fillCheck.GetValue() and self.colorColRadio.GetValue():
                self.vPropertiesDict['hcolor'] = convertRGB(self.colorPicker.GetColour())
                self.vPropertiesDict['hwidth'] = self.outWidthSpin.GetValue()
                
            else:
                self.vPropertiesDict['hcolor'] = 'none'
                
            if self.colorPickerRadio.GetValue():
                self.vPropertiesDict['color'] = convertRGB(self.fillColorPicker.GetColour())
                self.vPropertiesDict['rgbcolumn'] = None
            if self.colorColRadio.GetValue():
                self.vPropertiesDict['color'] = 'none'# this color is taken in case of no record in rgb column
                self.vPropertiesDict['rgbcolumn'] = self.colorColChoice.GetStringSelection()
        #
        #size and style
        #
        
        if self.type == 'points':
            #symbols
            if self.symbolRadio.GetValue():
                self.vPropertiesDict['symbol'] = self.symbolChoice.GetStringSelection()
                self.vPropertiesDict['eps'] = None
            else:
                self.vPropertiesDict['eps'] = self.epsFileCtrl.GetValue()
                self.vPropertiesDict['symbol'] = None
            #size
            if self.sizeRadio.GetValue():
                self.vPropertiesDict['size'] = self.sizeSpin.GetValue()
                self.vPropertiesDict['sizecolumn'] = None
                self.vPropertiesDict['scale'] = None
            else:
                self.vPropertiesDict['sizecolumn'] = self.sizeColChoice.GetStringSelection()
                self.vPropertiesDict['scale'] = self.scaleSpin.GetValue()
                self.vPropertiesDict['size'] = None
            
            #rotation
            self.vPropertiesDict['rotate'] = None
            self.vPropertiesDict['rotatecolumn'] = None
            self.vPropertiesDict['rotation'] = False
            if self.rotateCheck.GetValue():
                self.vPropertiesDict['rotation'] = True
            if self.rotateRadio.GetValue():
                self.vPropertiesDict['rotate'] = self.rotateSpin.GetValue()
            else:
                self.vPropertiesDict['rotatecolumn'] = self.rotateColChoice.GetStringSelection()
                
        if self.type == 'areas':
            #pattern
            self.vPropertiesDict['pat'] = None 
            if self.patternCheck.GetValue() and bool(self.patFileCtrl.GetValue()):
                self.vPropertiesDict['pat'] = self.patFileCtrl.GetValue()
                self.vPropertiesDict['pwidth'] = self.patWidthSpin.GetValue()
                self.vPropertiesDict['scale'] = self.patScaleSpin.GetValue()
                
        if self.type == 'lines':
            #width
            if self.cwidthCheck.GetValue():
                self.vPropertiesDict['cwidth'] = self.widthSpin.GetValue()
                self.vPropertiesDict['width'] = None
            else:
                self.vPropertiesDict['width'] = self.widthSpin.GetValue()
                self.vPropertiesDict['cwidth'] = None
            #line style
            if self.styleCombo.GetValue():
                self.vPropertiesDict['style'] = self.styleCombo.GetValue() 
            else:
                self.vPropertiesDict['style'] = 'solid'

            self.vPropertiesDict['linecap'] = self.linecapChoice.GetStringSelection()
            
    def OnOK(self, event):
        self.update()
        event.Skip()
        
class LegendDialog(PsmapDialog):
    def __init__(self, parent, id, settings, page):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "Legend settings", settings = settings)
        self.objectType = ('rasterLegend', 'vectorLegend')
        self.instruction = settings
        map = self.instruction.FindInstructionByType('map')
        if map:
            self.mapId = map.id 
        else:
            self.mapId = None

        vector = self.instruction.FindInstructionByType('vector')
        if vector:
            self.vectorId = vector.id 
        else:
            self.vectorId = None

        raster = self.instruction.FindInstructionByType('raster')
        if raster:
            self.rasterId = raster.id 
        else:
            self.rasterId = None

        self.pageId = self.instruction.FindInstructionByType('page').id
        currPage = self.instruction[self.pageId].GetInstruction()
        #raster legend
        if self.id[0] is not None:
            self.rasterLegend = self.instruction[self.id[0]]
            self.rLegendDict = self.rasterLegend.GetInstruction()
        else:
            self.id[0] = wx.NewId()
            self.rasterLegend = RasterLegend(self.id[0])
            self.rLegendDict = self.rasterLegend.GetInstruction()
            self.rLegendDict['where'] = currPage['Left'], currPage['Top']
            
            
        #vector legend    
        if self.id[1] is not None:
            self.vLegendDict = self.instruction[self.id[1]].GetInstruction()
        else:
            self.id[1] = wx.NewId()
            vectorLegend = VectorLegend(self.id[1])
            self.vLegendDict = vectorLegend.GetInstruction()
            self.vLegendDict['where'] = currPage['Left'], currPage['Top']
            
        if self.rasterId:
            self.currRaster = self.instruction[self.rasterId]['raster'] 
        else:
            self.currRaster = None

        #notebook
        self.notebook = wx.Notebook(parent = self, id = wx.ID_ANY, style = wx.BK_DEFAULT)
        self.panelRaster = self._rasterLegend(self.notebook)
        self.panelVector = self._vectorLegend(self.notebook)  
        self.OnRaster(None)
        self.OnRange(None)
        self.OnIsLegend(None)
        self.OnSpan(None)
        self.OnBorder(None)
                
        self._layout(self.notebook)
        self.notebook.ChangeSelection(page)
        self.notebook.Bind(wx.EVT_NOTEBOOK_PAGE_CHANGING, self.OnPageChanging)
        
    def OnPageChanging(self, event):
        """!Workaround to scroll up to see the checkbox"""
        wx.CallAfter(self.FindWindowByName('rasterPanel').ScrollChildIntoView,
                                            self.FindWindowByName('showRLegend'))
        wx.CallAfter(self.FindWindowByName('vectorPanel').ScrollChildIntoView,
                                            self.FindWindowByName('showVLegend'))
                                            
    def _rasterLegend(self, notebook):
        panel = scrolled.ScrolledPanel(parent = notebook, id = wx.ID_ANY, size = (-1, 500), style = wx.TAB_TRAVERSAL)
        panel.SetupScrolling(scroll_x = False, scroll_y = True)
        panel.SetName('rasterPanel')
        notebook.AddPage(page = panel, text = _("Raster legend"))

        border = wx.BoxSizer(wx.VERTICAL)
        # is legend
        self.isRLegend = wx.CheckBox(panel, id = wx.ID_ANY, label = _("Show raster legend"))
        self.isRLegend.SetValue(self.rLegendDict['rLegend'])
        self.isRLegend.SetName("showRLegend")
        border.Add(item = self.isRLegend, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)

        # choose raster
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Source raster"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        flexSizer = wx.FlexGridSizer (cols = 2, hgap = 5, vgap = 5)
        flexSizer.AddGrowableCol(1)
        
        self.rasterDefault = wx.RadioButton(panel, id = wx.ID_ANY, label = _("current raster"), style = wx.RB_GROUP)
        self.rasterOther = wx.RadioButton(panel, id = wx.ID_ANY, label = _("select raster"))
        self.rasterDefault.SetValue(self.rLegendDict['rasterDefault'])#
        self.rasterOther.SetValue(not self.rLegendDict['rasterDefault'])#

        rasterType = getRasterType(map = self.currRaster)

        self.rasterCurrent = wx.StaticText(panel, id = wx.ID_ANY,
                                label = _("%(rast)s: type %(type)s") % { 'rast' : self.currRaster,
                                                                         'type' : rasterType })
        self.rasterSelect = Select(panel, id = wx.ID_ANY, size = globalvar.DIALOG_GSELECT_SIZE,
                                    type = 'raster', multiple = False,
                                    updateOnPopup = True, onPopup = None)
        if not self.rLegendDict['rasterDefault']:
            self.rasterSelect.SetValue(self.rLegendDict['raster'])
        else:
            self.rasterSelect.SetValue('')
        flexSizer.Add(self.rasterDefault, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(self.rasterCurrent, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.LEFT, border = 10)
        flexSizer.Add(self.rasterOther, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(self.rasterSelect, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        
        sizer.Add(item = flexSizer, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # type of legend
        
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Type of legend"))        
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        vbox = wx.BoxSizer(wx.VERTICAL)
        self.discrete = wx.RadioButton(parent = panel, id = wx.ID_ANY, 
                        label = " %s " % _("discrete legend (categorical maps)"), style = wx.RB_GROUP)
        self.continuous = wx.RadioButton(parent = panel, id = wx.ID_ANY, 
                        label = " %s " % _("continuous color gradient legend (floating point map)"))
        
        vbox.Add(self.discrete, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 0)
        vbox.Add(self.continuous, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 0)
        sizer.Add(item = vbox, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # size, position and font
        self.sizePositionFont(legendType = 'raster', parent = panel, mainSizer = border)
        
        # advanced settings
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Advanced legend settings"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        # no data
        self.nodata = wx.CheckBox(panel, id = wx.ID_ANY, label = _('draw "no data" box'))
        if self.rLegendDict['nodata'] == 'y':
            self.nodata.SetValue(True)
        else: 
            self.nodata.SetValue(False)
        #tickbar
        self.ticks = wx.CheckBox(panel, id = wx.ID_ANY, label = _("draw ticks across color table"))
        if self.rLegendDict['tickbar'] == 'y':
            self.ticks.SetValue(True)
        else:
            self.ticks.SetValue(False)
        # range
        if self.rasterId and self.instruction[self.rasterId]['raster']:
            rinfo = grass.raster_info(self.instruction[self.rasterId]['raster'])
            self.minim, self.maxim = rinfo['min'], rinfo['max']
        else:
            self.minim, self.maxim = 0,0
        self.range = wx.CheckBox(panel, id = wx.ID_ANY, label = _("range"))
        self.range.SetValue(self.rLegendDict['range'])
        self.minText =  wx.StaticText(panel, id = wx.ID_ANY, label = "min (%s)" % self.minim)
        self.maxText =  wx.StaticText(panel, id = wx.ID_ANY, label = "max (%s)" % self.maxim)       
        self.min = wx.TextCtrl(panel, id = wx.ID_ANY, value = str(self.rLegendDict['min']))
        self.max = wx.TextCtrl(panel, id = wx.ID_ANY, value = str(self.rLegendDict['max']))
        
        gridBagSizer.Add(self.nodata, pos = (0,0), span = (1,5), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.ticks, pos = (1,0), span = (1,5), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.range, pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.minText, pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        gridBagSizer.Add(self.min, pos = (2,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.maxText, pos = (2,3), flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT, border = 0)
        gridBagSizer.Add(self.max, pos = (2,4), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
   
        panel.SetSizer(border)
        panel.Fit()
        
        # bindings
        self.Bind(wx.EVT_RADIOBUTTON, self.OnRaster, self.rasterDefault)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnRaster, self.rasterOther)
        self.Bind(wx.EVT_CHECKBOX, self.OnIsLegend, self.isRLegend)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnDiscrete, self.discrete)
        self.Bind(wx.EVT_RADIOBUTTON, self.OnDiscrete, self.continuous)
##        self.Bind(wx.EVT_CHECKBOX, self.OnDefaultSize, panel.defaultSize)
        self.Bind(wx.EVT_CHECKBOX, self.OnRange, self.range)
        self.rasterSelect.GetTextCtrl().Bind(wx.EVT_TEXT, self.OnRaster)
        
        return panel
    
    def _vectorLegend(self, notebook):
        panel = scrolled.ScrolledPanel(parent = notebook, id = wx.ID_ANY, size = (-1, 500), style = wx.TAB_TRAVERSAL)
        panel.SetupScrolling(scroll_x = False, scroll_y = True)
        panel.SetName('vectorPanel')
        notebook.AddPage(page = panel, text = _("Vector legend"))

        border = wx.BoxSizer(wx.VERTICAL)
        # is legend
        self.isVLegend = wx.CheckBox(panel, id = wx.ID_ANY, label = _("Show vector legend"))
        self.isVLegend.SetValue(self.vLegendDict['vLegend'])
        self.isVLegend.SetName("showVLegend")
        border.Add(item = self.isVLegend, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        #vector maps, their order, labels
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Source vector maps"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(0,3)
        gridBagSizer.AddGrowableCol(1,1)
        
        vectorText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Choose vector maps and their order in legend"))

        self.vectorListCtrl = CheckListCtrl(panel)
        
        self.vectorListCtrl.InsertColumn(0, _("Vector map"))
        self.vectorListCtrl.InsertColumn(1, _("Label"))
        if self.vectorId:
            vectors = sorted(self.instruction[self.vectorId]['list'], key = lambda x: x[3])
            
            for vector in vectors:
                index = self.vectorListCtrl.InsertStringItem(sys.maxint, vector[0].split('@')[0])
                self.vectorListCtrl.SetStringItem(index, 1, vector[4])
                self.vectorListCtrl.SetItemData(index, index)
                self.vectorListCtrl.CheckItem(index, True)
                if vector[3] == 0:
                    self.vectorListCtrl.CheckItem(index, False)
        if not self.vectorId:
            self.vectorListCtrl.SetColumnWidth(0, 100)
        else:
            self.vectorListCtrl.SetColumnWidth(0, wx.LIST_AUTOSIZE)
        self.vectorListCtrl.SetColumnWidth(1, wx.LIST_AUTOSIZE)
        
        self.btnUp = wx.Button(panel, id = wx.ID_ANY, label = _("Up"))
        self.btnDown = wx.Button(panel, id = wx.ID_ANY, label = _("Down"))
        self.btnLabel = wx.Button(panel, id = wx.ID_ANY, label = _("Edit label"))
      
        gridBagSizer.Add(vectorText, pos = (0,0), span = (1,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.vectorListCtrl, pos = (1,0), span = (3,1), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(self.btnUp, pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.btnDown, pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.btnLabel, pos = (3,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # size, position and font
        self.sizePositionFont(legendType = 'vector', parent = panel, mainSizer = border)
         
        # border
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Border"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        flexGridSizer = wx.FlexGridSizer(cols = 2, hgap = 5, vgap = 5)
        
        self.borderCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("draw border around legend"))
        self.borderColorCtrl = wx.ColourPickerCtrl(panel, id = wx.ID_ANY, style = wx.FNTP_FONTDESC_AS_LABEL)
        if self.vLegendDict['border'] == 'none':
            self.borderColorCtrl.SetColour(wx.BLACK)
            self.borderCheck.SetValue(False)
        else:
            self.borderColorCtrl.SetColour(convertRGB(self.vLegendDict['border']))
            self.borderCheck.SetValue(True)
            
        flexGridSizer.Add(self.borderCheck, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)    
        flexGridSizer.Add(self.borderColorCtrl, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        sizer.Add(item = flexGridSizer, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(wx.EVT_BUTTON, self.OnUp, self.btnUp)
        self.Bind(wx.EVT_BUTTON, self.OnDown, self.btnDown)  
        self.Bind(wx.EVT_BUTTON, self.OnEditLabel, self.btnLabel)
        self.Bind(wx.EVT_CHECKBOX, self.OnIsLegend, self.isVLegend)    
        self.Bind(wx.EVT_CHECKBOX, self.OnSpan, panel.spanRadio)  
        self.Bind(wx.EVT_CHECKBOX, self.OnBorder, self.borderCheck)
        self.Bind(wx.EVT_FONTPICKER_CHANGED, self.OnFont, panel.font['fontCtrl']) 
        
        panel.SetSizer(border)
        
        panel.Fit()
        return panel
    
    def sizePositionFont(self, legendType, parent, mainSizer):
        """!Insert widgets for size, position and font control"""
        if legendType == 'raster':
            legendDict = self.rLegendDict  
        else:
            legendDict = self.vLegendDict
        panel = parent
        border = mainSizer
        
        # size and position        
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Size and position"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        #unit
        self.AddUnits(parent = panel, dialogDict = legendDict)
        unitBox = wx.BoxSizer(wx.HORIZONTAL)
        unitBox.Add(panel.units['unitsLabel'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.LEFT, border = 10)
        unitBox.Add(panel.units['unitsCtrl'], proportion = 1, flag = wx.ALL, border = 5)
        sizer.Add(unitBox, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        hBox = wx.BoxSizer(wx.HORIZONTAL)
        posBox = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " %_("Position"))
        posSizer = wx.StaticBoxSizer(posBox, wx.VERTICAL)       
        sizeBox = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Size"))
        sizeSizer = wx.StaticBoxSizer(sizeBox, wx.VERTICAL) 
        posGridBagSizer = wx.GridBagSizer(hgap = 10, vgap = 5)
        posGridBagSizer.AddGrowableRow(2)
        
        #position
        self.AddPosition(parent = panel, dialogDict = legendDict)
        
        posGridBagSizer.Add(panel.position['xLabel'], pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        posGridBagSizer.Add(panel.position['xCtrl'], pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        posGridBagSizer.Add(panel.position['yLabel'], pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        posGridBagSizer.Add(panel.position['yCtrl'], pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        posGridBagSizer.Add(panel.position['comment'], pos = (2,0), span = (1,2), flag =wx.ALIGN_BOTTOM, border = 0)
        posSizer.Add(posGridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        
        #size
        width = wx.StaticText(panel, id = wx.ID_ANY, label = _("Width:"))
        if legendDict['width']:
            w = self.unitConv.convert(value = float(legendDict['width']), fromUnit = 'inch', toUnit = legendDict['unit'])
        else: 
            w = ''
        panel.widthCtrl = wx.TextCtrl(panel, id = wx.ID_ANY, value = str(w), validator = TCValidator("DIGIT_ONLY"))
        panel.widthCtrl.SetToolTipString(_("Leave the edit field empty, to use default values."))
        
        if legendType == 'raster':
##            panel.defaultSize = wx.CheckBox(panel, id = wx.ID_ANY, label = _("Use default size"))
##            panel.defaultSize.SetValue(legendDict['defaultSize'])
            
            panel.heightOrColumnsLabel = wx.StaticText(panel, id = wx.ID_ANY, label = _("Height:"))
            if legendDict['height']:
                h = self.unitConv.convert(value = float(legendDict['height']), fromUnit = 'inch', toUnit = legendDict['unit'])
            else:
                h = ''
            panel.heightOrColumnsCtrl = wx.TextCtrl(panel, id = wx.ID_ANY, value = str(h), validator = TCValidator("DIGIT_ONLY"))
            
            self.rSizeGBSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
##            self.rSizeGBSizer.Add(panel.defaultSize, pos = (0,0), span = (1,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.rSizeGBSizer.Add(width, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.rSizeGBSizer.Add(panel.widthCtrl, pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.rSizeGBSizer.Add(panel.heightOrColumnsLabel, pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.rSizeGBSizer.Add(panel.heightOrColumnsCtrl, pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            sizeSizer.Add(self.rSizeGBSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
            
        if legendType == 'vector':
            panel.widthCtrl.SetToolTipString(_("Width of the color symbol (for lines)\nin front of the legend text")) 
            #columns
            minVect, maxVect = 0, 0
            if self.vectorId:
                minVect = 1
                maxVect = min(10, len(self.instruction[self.vectorId]['list']))
            cols = wx.StaticText(panel, id = wx.ID_ANY, label = _("Columns:"))
            panel.colsCtrl = wx.SpinCtrl(panel, id = wx.ID_ANY, value = "",
                                        min = minVect, max = maxVect, initial = legendDict['cols'])
            #span
            panel.spanRadio = wx.CheckBox(panel, id = wx.ID_ANY, label = _("column span:"))
            panel.spanTextCtrl = wx.TextCtrl(panel, id = wx.ID_ANY, value = '')
            panel.spanTextCtrl.SetToolTipString(_("Column separation distance between the left edges\n"\
                                                "of two columns in a multicolumn legend"))
            if legendDict['span']:
                panel.spanRadio.SetValue(True)
                s = self.unitConv.convert(value = float(legendDict['span']), fromUnit = 'inch', toUnit = legendDict['unit'])    
                panel.spanTextCtrl.SetValue(str(s))
            else:
                panel.spanRadio.SetValue(False)
                
            self.vSizeGBSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
            self.vSizeGBSizer.AddGrowableCol(1)
            self.vSizeGBSizer.Add(width, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.vSizeGBSizer.Add(panel.widthCtrl, pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.vSizeGBSizer.Add(cols, pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.vSizeGBSizer.Add(panel.colsCtrl, pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.vSizeGBSizer.Add(panel.spanRadio, pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            self.vSizeGBSizer.Add(panel.spanTextCtrl, pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
            sizeSizer.Add(self.vSizeGBSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)        
        
        hBox.Add(posSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 3)
        hBox.Add(sizeSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 3)
        sizer.Add(hBox, proportion = 0, flag = wx.EXPAND, border = 0)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
              
        # font        
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Font settings"))
        fontSizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        flexSizer = wx.FlexGridSizer (cols = 2, hgap = 5, vgap = 5)
        flexSizer.AddGrowableCol(1)
        
        if legendType == 'raster':
            self.AddFont(parent = panel, dialogDict = legendDict, color = True)
        else:
            self.AddFont(parent = panel, dialogDict = legendDict, color = False)            
        flexSizer.Add(panel.font['fontLabel'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(panel.font['fontCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(panel.font['fontSizeLabel'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(panel.font['fontSizeCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        if legendType == 'raster':
            flexSizer.Add(panel.font['colorLabel'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
            flexSizer.Add(panel.font['colorCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        fontSizer.Add(item = flexSizer, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = fontSizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)    

    #   some enable/disable methods  
        
    def OnIsLegend(self, event):
        """!Enables and disables controls, it depends if raster or vector legend is checked"""
        page = self.notebook.GetSelection()
        if page == 0 or event is None:
            children = self.panelRaster.GetChildren()
            if self.isRLegend.GetValue():
                for i,widget in enumerate(children):
                        widget.Enable()
                self.OnRaster(None)
                self.OnRange(None)
                self.OnDiscrete(None)
            else:
                for widget in children:
                    if widget.GetName() != 'showRLegend':
                        widget.Disable()
        if page == 1 or event is None:
            children = self.panelVector.GetChildren()
            if self.isVLegend.GetValue():
                for i, widget in enumerate(children):
                        widget.Enable()
                self.OnSpan(None)
                self.OnBorder(None)
            else:
                for widget in children:
                    if widget.GetName() != 'showVLegend':
                        widget.Disable()
                    
    def OnRaster(self, event):
        if self.rasterDefault.GetValue():#default
            self.rasterSelect.Disable()
            type = getRasterType(self.currRaster)
        else:#select raster
            self.rasterSelect.Enable()
            map = self.rasterSelect.GetValue()
            type = getRasterType(map)
  
        if type == 'CELL':
            self.discrete.SetValue(True)
        elif type in ('FCELL', 'DCELL'):
            self.continuous.SetValue(True)
        if event is None:
            if self.rLegendDict['discrete'] == 'y':
                self.discrete.SetValue(True)
            elif self.rLegendDict['discrete'] == 'n':
                self.continuous.SetValue(True)
        self.OnDiscrete(None)
        
    def OnDiscrete(self, event):
        """! Change control according to the type of legend"""
        enabledSize = self.panelRaster.heightOrColumnsCtrl.IsEnabled()
        self.panelRaster.heightOrColumnsCtrl.Destroy()
        if self.discrete.GetValue():
            self.panelRaster.heightOrColumnsLabel.SetLabel(_("Columns:"))
            self.panelRaster.heightOrColumnsCtrl = wx.SpinCtrl(self.panelRaster, id = wx.ID_ANY, value = "", min = 1, max = 10, initial = self.rLegendDict['cols'])
            self.panelRaster.heightOrColumnsCtrl.Enable(enabledSize)
            self.nodata.Enable()
            self.range.Disable()
            self.min.Disable()
            self.max.Disable()
            self.minText.Disable()
            self.maxText.Disable()
            self.ticks.Disable()
        else:
            self.panelRaster.heightOrColumnsLabel.SetLabel(_("Height:"))
            if self.rLegendDict['height']:
                h = self.unitConv.convert(value = float(self.rLegendDict['height']), fromUnit = 'inch', toUnit = self.rLegendDict['unit'])
            else:
                h = ''
            self.panelRaster.heightOrColumnsCtrl = wx.TextCtrl(self.panelRaster, id = wx.ID_ANY,
                                                    value = str(h), validator = TCValidator("DIGIT_ONLY"))
            self.panelRaster.heightOrColumnsCtrl.Enable(enabledSize)
            self.nodata.Disable()
            self.range.Enable()
            if self.range.GetValue():
                self.minText.Enable()
                self.maxText.Enable()
                self.min.Enable()
                self.max.Enable()
            self.ticks.Enable()
        
        self.rSizeGBSizer.Add(self.panelRaster.heightOrColumnsCtrl, pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        self.panelRaster.Layout()
        self.panelRaster.Fit()   
        
    def OnRange(self, event):
        if not self.range.GetValue():
            self.min.Disable()        
            self.max.Disable()
            self.minText.Disable()
            self.maxText.Disable()
        else:
            self.min.Enable()        
            self.max.Enable() 
            self.minText.Enable()
            self.maxText.Enable()           
     
    def OnUp(self, event):
        """!Moves selected map up, changes order in vector legend"""
        if self.vectorListCtrl.GetFirstSelected() != -1:
            pos = self.vectorListCtrl.GetFirstSelected()
            if pos:
                idx1 = self.vectorListCtrl.GetItemData(pos) - 1
                idx2 = self.vectorListCtrl.GetItemData(pos - 1) + 1
                self.vectorListCtrl.SetItemData(pos, idx1) 
                self.vectorListCtrl.SetItemData(pos - 1, idx2) 
                self.vectorListCtrl.SortItems(cmp)
                if pos > 0:
                    selected = (pos - 1) 
                else:
                    selected = 0

                self.vectorListCtrl.Select(selected)
       
    def OnDown(self, event):
        """!Moves selected map down, changes order in vector legend"""
        if self.vectorListCtrl.GetFirstSelected() != -1:
            pos = self.vectorListCtrl.GetFirstSelected()
            if pos != self.vectorListCtrl.GetItemCount() - 1:
                idx1 = self.vectorListCtrl.GetItemData(pos) + 1
                idx2 = self.vectorListCtrl.GetItemData(pos + 1) - 1
                self.vectorListCtrl.SetItemData(pos, idx1) 
                self.vectorListCtrl.SetItemData(pos + 1, idx2) 
                self.vectorListCtrl.SortItems(cmp)
                if pos < self.vectorListCtrl.GetItemCount() -1:
                    selected = (pos + 1) 
                else:
                    selected = self.vectorListCtrl.GetItemCount() -1

                self.vectorListCtrl.Select(selected)
                
    def OnEditLabel(self, event):
        """!Change legend label of vector map"""
        if self.vectorListCtrl.GetFirstSelected() != -1:
            idx = self.vectorListCtrl.GetFirstSelected()
            default = self.vectorListCtrl.GetItem(idx, 1).GetText()
            dlg = wx.TextEntryDialog(self, message = _("Edit legend label:"), caption = _("Edit label"),
                                    defaultValue = default, style = wx.OK|wx.CANCEL|wx.CENTRE)
            if dlg.ShowModal() == wx.ID_OK:
                new = dlg.GetValue()
                self.vectorListCtrl.SetStringItem(idx, 1, new)
            dlg.Destroy()
        
    def OnSpan(self, event):
        self.panelVector.spanTextCtrl.Enable(self.panelVector.spanRadio.GetValue())
    def OnFont(self, event):
        """!Changes default width according to fontsize, width [inch] = fontsize[pt]/24"""   
##        fontsize = self.panelVector.font['fontCtrl'].GetSelectedFont().GetPointSize() 
        fontsize = self.panelVector.font['fontSizeCtrl'].GetValue()
        unit = self.unitConv.findUnit(self.panelVector.units['unitsCtrl'].GetStringSelection())
        w = fontsize/24.
        width = self.unitConv.convert(value = w, fromUnit = 'inch', toUnit = unit)
        self.panelVector.widthCtrl.SetValue("%3.2f" % width)
        
    def OnBorder(self, event):
        """!Enables/disables colorPickerCtrl for border"""    
        self.borderColorCtrl.Enable(self.borderCheck.GetValue())
    
    def updateRasterLegend(self):
        """!Save information from raster legend dialog to dictionary"""

        #is raster legend
        if not self.isRLegend.GetValue():
            self.rLegendDict['rLegend'] = False
        else:
            self.rLegendDict['rLegend'] = True
        #units
        currUnit = self.unitConv.findUnit(self.panelRaster.units['unitsCtrl'].GetStringSelection())
        self.rLegendDict['unit'] = currUnit
        # raster
        if self.rasterDefault.GetValue():
            self.rLegendDict['rasterDefault'] = True
            self.rLegendDict['raster'] = self.currRaster
        else:
            self.rLegendDict['rasterDefault'] = False
            self.rLegendDict['raster'] = self.rasterSelect.GetValue()
        if self.rLegendDict['rLegend'] and not self.rLegendDict['raster']:
            wx.MessageBox(message = _("No raster map selected!"),
                                    caption = _('No raster'), style = wx.OK|wx.ICON_ERROR)
            return False
            
        if self.rLegendDict['raster']:
            # type and range of map
            rasterType = getRasterType(self.rLegendDict['raster'])
            if rasterType is None:
                return False
            self.rLegendDict['type'] = rasterType
            
            
            #discrete
            if self.discrete.GetValue():
                self.rLegendDict['discrete'] = 'y'
            else:
                self.rLegendDict['discrete'] = 'n'   
                    
            # font 
            self.rLegendDict['font'] = self.panelRaster.font['fontCtrl'].GetStringSelection()
            self.rLegendDict['fontsize'] = self.panelRaster.font['fontSizeCtrl'].GetValue()
            color = self.panelRaster.font['colorCtrl'].GetColour()
            self.rLegendDict['color'] = convertRGB(color)

            # position
            x = self.unitConv.convert(value = float(self.panelRaster.position['xCtrl'].GetValue()), fromUnit = currUnit, toUnit = 'inch')
            y = self.unitConv.convert(value = float(self.panelRaster.position['yCtrl'].GetValue()), fromUnit = currUnit, toUnit = 'inch')
            self.rLegendDict['where'] = (x, y)
            # estimated size
            width = self.panelRaster.widthCtrl.GetValue()
            try:
                width = float(width)
                width = self.unitConv.convert(value = width, fromUnit = currUnit, toUnit = 'inch')
            except ValueError:
                width = None
            self.rLegendDict['width'] = width
            if self.rLegendDict['discrete'] == 'n':
                height = self.panelRaster.heightOrColumnsCtrl.GetValue()    
                try:
                    height = float(height)
                    height = self.unitConv.convert(value = height, fromUnit = currUnit, toUnit = 'inch')
                except ValueError:
                    height = None
                self.rLegendDict['height'] = height
            else:
                cols = self.panelRaster.heightOrColumnsCtrl.GetValue()
                self.rLegendDict['cols'] = cols
            drawHeight = self.rasterLegend.EstimateHeight(raster = self.rLegendDict['raster'], discrete = self.rLegendDict['discrete'],
                                            fontsize = self.rLegendDict['fontsize'], cols = self.rLegendDict['cols'],
                                            height = self.rLegendDict['height'])
            drawWidth = self.rasterLegend.EstimateWidth(raster = self.rLegendDict['raster'], discrete = self.rLegendDict['discrete'],
                                            fontsize = self.rLegendDict['fontsize'], cols = self.rLegendDict['cols'],
                                            width = self.rLegendDict['width'], paperInstr = self.instruction[self.pageId])
            self.rLegendDict['rect'] = wx.Rect2D(x = x, y = y, w = drawWidth, h = drawHeight)
                        
            # no data
            if self.rLegendDict['discrete'] == 'y':
                if self.nodata.GetValue():
                    self.rLegendDict['nodata'] = 'y'
                else:
                    self.rLegendDict['nodata'] = 'n'
            # tickbar
            elif self.rLegendDict['discrete'] == 'n':
                if self.ticks.GetValue():
                    self.rLegendDict['tickbar'] = 'y'
                else:
                    self.rLegendDict['tickbar'] = 'n'
            # range
                if self.range.GetValue():
                    self.rLegendDict['range'] = True
                    self.rLegendDict['min'] = self.min.GetValue()
                    self.rLegendDict['max'] = self.max.GetValue()
                else:
                    self.rLegendDict['range'] = False
         
        if not self.id[0] in self.instruction:
            rasterLegend = RasterLegend(self.id[0])
            self.instruction.AddInstruction(rasterLegend)
        self.instruction[self.id[0]].SetInstruction(self.rLegendDict)

        if self.id[0] not in self.parent.objectId:
            self.parent.objectId.append(self.id[0])
        return True
    
    def updateVectorLegend(self):
        """!Save information from vector legend dialog to dictionary"""

        vector = self.instruction.FindInstructionByType('vector')
        if vector:
            self.vectorId = vector.id 
        else:
            self.vectorId = None

        #is vector legend
        if not self.isVLegend.GetValue():
            self.vLegendDict['vLegend'] = False
        else:
            self.vLegendDict['vLegend'] = True   
        if self.vLegendDict['vLegend'] == True and self.vectorId is not None:
            # labels
            #reindex order
            idx = 1
            for item in range(self.vectorListCtrl.GetItemCount()):
                if self.vectorListCtrl.IsChecked(item):
                    self.vectorListCtrl.SetItemData(item, idx)
                    idx += 1
                else:
                    self.vectorListCtrl.SetItemData(item, 0)
            if idx == 1: 
                self.vLegendDict['vLegend'] = False     
            else:
                vList = self.instruction[self.vectorId]['list']
                for i, vector in enumerate(vList):
                    item = self.vectorListCtrl.FindItem(start = -1, str = vector[0].split('@')[0])
                    vList[i][3] = self.vectorListCtrl.GetItemData(item)
                    vList[i][4] = self.vectorListCtrl.GetItem(item, 1).GetText()
                vmaps = self.instruction.FindInstructionByType('vProperties', list = True)
                for vmap, vector in zip(vmaps, vList):
                    self.instruction[vmap.id]['lpos'] = vector[3]
                    self.instruction[vmap.id]['label'] = vector[4]
                #units
                currUnit = self.unitConv.findUnit(self.panelVector.units['unitsCtrl'].GetStringSelection())
                self.vLegendDict['unit'] = currUnit
                # position
                x = self.unitConv.convert(value = float(self.panelVector.position['xCtrl'].GetValue()),
                                                                fromUnit = currUnit, toUnit = 'inch')
                y = self.unitConv.convert(value = float(self.panelVector.position['yCtrl'].GetValue()),
                                                                fromUnit = currUnit, toUnit = 'inch')
                self.vLegendDict['where'] = (x, y)
                
                # font 
                self.vLegendDict['font'] = self.panelVector.font['fontCtrl'].GetStringSelection()
                self.vLegendDict['fontsize'] = self.panelVector.font['fontSizeCtrl'].GetValue()
                dc = wx.PaintDC(self)
                font = dc.GetFont()
                dc.SetFont(wx.Font(pointSize = self.vLegendDict['fontsize'], family = font.GetFamily(),
                                   style = font.GetStyle(), weight = wx.FONTWEIGHT_NORMAL))
                #size
                width = self.unitConv.convert(value = float(self.panelVector.widthCtrl.GetValue()),
                                              fromUnit = currUnit, toUnit = 'inch')
                self.vLegendDict['width'] = width
                self.vLegendDict['cols'] = self.panelVector.colsCtrl.GetValue()
                if self.panelVector.spanRadio.GetValue() and self.panelVector.spanTextCtrl.GetValue():
                    self.vLegendDict['span'] = self.panelVector.spanTextCtrl.GetValue()
                else:
                    self.vLegendDict['span'] = None
                    
                # size estimation
                vectors = self.instruction[self.vectorId]['list']
                labels = [vector[4] for vector in vectors if vector[3] != 0]
                extent = dc.GetTextExtent(max(labels, key = len))
                wExtent = self.unitConv.convert(value = extent[0], fromUnit = 'pixel', toUnit = 'inch')
                hExtent = self.unitConv.convert(value = extent[1], fromUnit = 'pixel', toUnit = 'inch')
                w = (width + wExtent) * self.vLegendDict['cols']
                h = len(labels) * hExtent / self.vLegendDict['cols']
                h *= 1.1
                self.vLegendDict['rect'] = wx.Rect2D(x, y, w, h)
                
                #border
                if self.borderCheck.GetValue():
                    color = self.borderColorCtrl.GetColour()
                    self.vLegendDict['border'] = convertRGB(color)
                    
                else:
                    self.vLegendDict['border'] = 'none'
                                 
        if not self.id[1] in self.instruction:
            vectorLegend = VectorLegend(self.id[1])
            self.instruction.AddInstruction(vectorLegend)
        self.instruction[self.id[1]].SetInstruction(self.vLegendDict)
        if self.id[1] not in self.parent.objectId:
            self.parent.objectId.append(self.id[1])
        return True
    
    def update(self):
        okR = self.updateRasterLegend()
        okV = self.updateVectorLegend()
        if okR and okV:
            return True
        return False
        
    def updateDialog(self):
        """!Update legend coordinates after moving"""
        
        # raster legend    
        if 'rect' in self.rLegendDict:
            x, y = self.rLegendDict['rect'][:2]
            currUnit = self.unitConv.findUnit(self.panelRaster.units['unitsCtrl'].GetStringSelection())
            x = self.unitConv.convert(value = x, fromUnit = 'inch', toUnit = currUnit)
            y = self.unitConv.convert(value = y, fromUnit = 'inch', toUnit = currUnit)
            self.panelRaster.position['xCtrl'].SetValue("%5.3f" % x)
            self.panelRaster.position['yCtrl'].SetValue("%5.3f" % y)
        #update name and type of raster
        raster = self.instruction.FindInstructionByType('raster')
        if raster:
            self.rasterId = raster.id 
        else:
            self.rasterId = None 

        if raster:
            currRaster = raster['raster'] 
        else:
            currRaster = None
            
        rasterType = getRasterType(map = currRaster)
        self.rasterCurrent.SetLabel(_("%(rast)s: type %(type)s") % \
                                        { 'rast' : currRaster, 'type' : str(rasterType) })
        
        # vector legend       
        if 'rect' in self.vLegendDict:
            x, y = self.vLegendDict['rect'][:2]
            currUnit = self.unitConv.findUnit(self.panelVector.units['unitsCtrl'].GetStringSelection())
            x = self.unitConv.convert(value = x, fromUnit = 'inch', toUnit = currUnit)
            y = self.unitConv.convert(value = y, fromUnit = 'inch', toUnit = currUnit)
            self.panelVector.position['xCtrl'].SetValue("%5.3f" % x)
            self.panelVector.position['yCtrl'].SetValue("%5.3f" % y)
        # update vector maps
        if self.instruction.FindInstructionByType('vector'):
            vectors = sorted(self.instruction.FindInstructionByType('vector')['list'], key = lambda x: x[3])
            self.vectorListCtrl.DeleteAllItems()
            for vector in vectors:
                index = self.vectorListCtrl.InsertStringItem(sys.maxint, vector[0].split('@')[0])
                self.vectorListCtrl.SetStringItem(index, 1, vector[4])
                self.vectorListCtrl.SetItemData(index, index)
                self.vectorListCtrl.CheckItem(index, True)
                if vector[3] == 0:
                    self.vectorListCtrl.CheckItem(index, False)
            self.panelVector.colsCtrl.SetRange(1, min(10, len(self.instruction.FindInstructionByType('vector')['list'])))
            self.panelVector.colsCtrl.SetValue(1)
        else:
            self.vectorListCtrl.DeleteAllItems()
            self.panelVector.colsCtrl.SetRange(0,0)
            self.panelVector.colsCtrl.SetValue(0)
             
class MapinfoDialog(PsmapDialog):
    def __init__(self, parent, id, settings):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "Mapinfo settings", settings = settings)
        
        self.objectType = ('mapinfo',)
        if self.id is not None:
            self.mapinfo = self.instruction[self.id]
            self.mapinfoDict = self.mapinfo.GetInstruction()
        else:
            self.id = wx.NewId()
            self.mapinfo = Mapinfo(self.id)
            self.mapinfoDict = self.mapinfo.GetInstruction()
            page = self.instruction.FindInstructionByType('page').GetInstruction()
            self.mapinfoDict['where'] = page['Left'], page['Top']

        self.panel = self._mapinfoPanel()
        
        self._layout(self.panel)
        self.OnIsBackground(None)
        self.OnIsBorder(None)

    def _mapinfoPanel(self):
        panel = wx.Panel(parent = self, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        #panel.SetupScrolling(scroll_x = False, scroll_y = True)
        border = wx.BoxSizer(wx.VERTICAL)
                
        # position     
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Position"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(1)
        
        self.AddPosition(parent = panel, dialogDict = self.mapinfoDict)
        self.AddUnits(parent = panel, dialogDict = self.mapinfoDict)
        gridBagSizer.Add(panel.units['unitsLabel'], pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.units['unitsCtrl'], pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['xLabel'], pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['xCtrl'], pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['yLabel'], pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['yCtrl'], pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['comment'], pos = (3,0), span = (1,2), flag =wx.ALIGN_BOTTOM, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # font
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Font settings"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(1)
        
        self.AddFont(parent = panel, dialogDict = self.mapinfoDict)#creates font color too, used below
        
        gridBagSizer.Add(panel.font['fontLabel'], pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.font['fontCtrl'], pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.font['fontSizeLabel'], pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.font['fontSizeCtrl'], pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.font['colorLabel'], pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        gridBagSizer.Add(panel.font['colorCtrl'], pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(item = gridBagSizer, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        # colors
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " %_("Color settings"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        flexSizer = wx.FlexGridSizer (cols = 2, hgap = 5, vgap = 5)
        flexSizer.AddGrowableCol(1)
        
        self.colors = {}
        self.colors['borderCtrl'] = wx.CheckBox(panel, id = wx.ID_ANY, label = _("use border color:"))
        self.colors['backgroundCtrl'] = wx.CheckBox(panel, id = wx.ID_ANY, label = _("use background color:"))
        self.colors['borderColor'] = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        self.colors['backgroundColor'] = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        
        if self.mapinfoDict['border'] == None:
            self.mapinfoDict['border'] = 'none'
        if self.mapinfoDict['border'] != 'none':
            self.colors['borderCtrl'].SetValue(True) 
            self.colors['borderColor'].SetColour(convertRGB(self.mapinfoDict['border']))
        else:
            self.colors['borderCtrl'].SetValue(False)
            self.colors['borderColor'].SetColour(convertRGB('black'))
            
        if self.mapinfoDict['background'] == None:
            self.mapinfoDict['background'] == 'none'
        if self.mapinfoDict['background'] != 'none':
            self.colors['backgroundCtrl'].SetValue(True) 
            self.colors['backgroundColor'].SetColour(convertRGB(self.mapinfoDict['background']))
        else:
            self.colors['backgroundCtrl'].SetValue(False)
            self.colors['backgroundColor'].SetColour(convertRGB('white'))
                    
        flexSizer.Add(self.colors['borderCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(self.colors['borderColor'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(self.colors['backgroundCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexSizer.Add(self.colors['backgroundColor'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(item = flexSizer, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        panel.SetSizer(border)
        
        self.Bind(wx.EVT_CHECKBOX, self.OnIsBorder, self.colors['borderCtrl'])
        self.Bind(wx.EVT_CHECKBOX, self.OnIsBackground, self.colors['backgroundCtrl'])
        
        return panel
    
    def OnIsBackground(self, event):
        if self.colors['backgroundCtrl'].GetValue():
            self.colors['backgroundColor'].Enable()
            self.update()
        else:
            self.colors['backgroundColor'].Disable()
                        
    def OnIsBorder(self, event):
        if self.colors['borderCtrl'].GetValue():
            self.colors['borderColor'].Enable()
            self.update()
        else:
            self.colors['borderColor'].Disable() 
                                           
    def update(self):

        #units
        currUnit = self.unitConv.findUnit(self.panel.units['unitsCtrl'].GetStringSelection())
        self.mapinfoDict['unit'] = currUnit
        
        # position
        if self.panel.position['xCtrl'].GetValue():
            x = self.panel.position['xCtrl'].GetValue() 
        else:
            x = self.mapinfoDict['where'][0]

        if self.panel.position['yCtrl'].GetValue():
            y = self.panel.position['yCtrl'].GetValue() 
        else:
            y = self.mapinfoDict['where'][1]

        x = self.unitConv.convert(value = float(self.panel.position['xCtrl'].GetValue()), fromUnit = currUnit, toUnit = 'inch')
        y = self.unitConv.convert(value = float(self.panel.position['yCtrl'].GetValue()), fromUnit = currUnit, toUnit = 'inch')
        self.mapinfoDict['where'] = (x, y)
        
        # font
        self.mapinfoDict['font'] =  self.panel.font['fontCtrl'].GetStringSelection()
        self.mapinfoDict['fontsize'] = self.panel.font['fontSizeCtrl'].GetValue()

        #colors
        color = self.panel.font['colorCtrl'].GetColour()
        self.mapinfoDict['color'] = convertRGB(color)
        
        if self.colors['backgroundCtrl'].GetValue():    
            background = self.colors['backgroundColor'].GetColour()
            self.mapinfoDict['background'] = convertRGB(background)
        else:
            self.mapinfoDict['background'] = 'none'

        if self.colors['borderCtrl'].GetValue():    
            border = self.colors['borderColor'].GetColour()
            self.mapinfoDict['border'] = convertRGB(border)
        else:
            self.mapinfoDict['border'] = 'none'
        
        # estimation of size
        self.mapinfoDict['rect'] = self.mapinfo.EstimateRect(self.mapinfoDict)

        if self.id not in self.instruction:
            mapinfo = Mapinfo(self.id)
            self.instruction.AddInstruction(mapinfo)
            
        self.instruction[self.id].SetInstruction(self.mapinfoDict)

        if self.id not in self.parent.objectId:
            self.parent.objectId.append(self.id)
            
        self.updateDialog()

        return True
    
    def updateDialog(self):
        """!Update mapinfo coordinates, after moving"""
        x, y = self.mapinfoDict['where']
        currUnit = self.unitConv.findUnit(self.panel.units['unitsCtrl'].GetStringSelection())
        x = self.unitConv.convert(value = x, fromUnit = 'inch', toUnit = currUnit)
        y = self.unitConv.convert(value = y, fromUnit = 'inch', toUnit = currUnit)
        self.panel.position['xCtrl'].SetValue("%5.3f" % x)
        self.panel.position['yCtrl'].SetValue("%5.3f" % y)
             
class ScalebarDialog(PsmapDialog):
    """!Dialog for scale bar"""
    def __init__(self, parent, id, settings):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "Scale bar settings", settings = settings)
        self.objectType = ('scalebar',)
        if self.id is not None:
            self.scalebar = self.instruction[id]
            self.scalebarDict = self.scalebar.GetInstruction()
        else:
            self.id = wx.NewId()
            self.scalebar = Scalebar(self.id)
            self.scalebarDict = self.scalebar.GetInstruction()
            page = self.instruction.FindInstructionByType('page').GetInstruction()
            self.scalebarDict['where'] = page['Left'], page['Top']

        self.panel = self._scalebarPanel()
        
        self._layout(self.panel)
        
        self.mapUnit = projInfo()['units'].lower()
        if projInfo()['proj'] == 'xy':
            self.mapUnit = 'meters'
        if self.mapUnit not in self.unitConv.getAllUnits():
            wx.MessageBox(message = _("Units of current projection are not supported,\n meters will be used!"),
                            caption = _('Unsupported units'),
                                    style = wx.OK|wx.ICON_ERROR)
            self.mapUnit = 'meters'
            
    def _scalebarPanel(self):
        panel = wx.Panel(parent = self, id = wx.ID_ANY, style = wx.TAB_TRAVERSAL)
        border = wx.BoxSizer(wx.VERTICAL)
        #        
        # position
        #
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Position"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(1)
        
        self.AddUnits(parent = panel, dialogDict = self.scalebarDict)
        self.AddPosition(parent = panel, dialogDict = self.scalebarDict)
        
        if self.scalebarDict['rect']: # set position, ref point is center and not left top corner
            
            x = self.unitConv.convert(value = self.scalebarDict['where'][0] - self.scalebarDict['rect'].Get()[2]/2,
                                                    fromUnit = 'inch', toUnit = self.scalebarDict['unit'])
            y = self.unitConv.convert(value = self.scalebarDict['where'][1] - self.scalebarDict['rect'].Get()[3]/2,
                                                    fromUnit = 'inch', toUnit = self.scalebarDict['unit'])
            panel.position['xCtrl'].SetValue("%5.3f" % x)
            panel.position['yCtrl'].SetValue("%5.3f" % y)
        
        gridBagSizer.Add(panel.units['unitsLabel'], pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.units['unitsCtrl'], pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['xLabel'], pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['xCtrl'], pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['yLabel'], pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['yCtrl'], pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(panel.position['comment'], pos = (3,0), span = (1,2), flag =wx.ALIGN_BOTTOM, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        #
        # size
        #
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Size"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(1)
        
        lengthText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Length:"))
        heightText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Height:"))
        
        self.lengthTextCtrl = wx.TextCtrl(panel, id = wx.ID_ANY, validator = TCValidator('DIGIT_ONLY'))
        self.lengthTextCtrl.SetToolTipString(_("Scalebar length is given in map units"))
        
        self.heightTextCtrl = wx.TextCtrl(panel, id = wx.ID_ANY, validator = TCValidator('DIGIT_ONLY'))
        self.heightTextCtrl.SetToolTipString(_("Scalebar height is real height on paper"))
        
        choices = [_('default')] + self.unitConv.getMapUnitsNames()
        self.unitsLength = wx.Choice(panel, id = wx.ID_ANY, choices = choices)
        choices = self.unitConv.getPageUnitsNames()
        self.unitsHeight = wx.Choice(panel, id = wx.ID_ANY, choices = choices)
        
        # set values
        unitName = self.unitConv.findName(self.scalebarDict['unitsLength'])
        if unitName:
            self.unitsLength.SetStringSelection(unitName)
        else:
            if self.scalebarDict['unitsLength'] == 'auto':
                 self.unitsLength.SetSelection(0)
            elif self.scalebarDict['unitsLength'] == 'nautmiles':
                 self.unitsLength.SetStringSelection(self.unitConv.findName("nautical miles"))
        self.unitsHeight.SetStringSelection(self.unitConv.findName(self.scalebarDict['unitsHeight']))
        if self.scalebarDict['length']:
            self.lengthTextCtrl.SetValue(str(self.scalebarDict['length']))
        else: #estimate default
            reg = grass.region()
            w = int((reg['e'] - reg['w'])/3)
            w = round(w, -len(str(w)) + 2) #12345 -> 12000
            self.lengthTextCtrl.SetValue(str(w))
            
        h = self.unitConv.convert(value = self.scalebarDict['height'], fromUnit = 'inch',
                                                toUnit =  self.scalebarDict['unitsHeight']) 
        self.heightTextCtrl.SetValue(str(h))
        
        gridBagSizer.Add(lengthText, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.lengthTextCtrl, pos = (0, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.unitsLength, pos = (0, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(heightText, pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.heightTextCtrl, pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.unitsHeight, pos = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
      
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        #
        #style
        #
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Style"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        
        
        sbTypeText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Type:"))
        self.sbCombo = wx.combo.BitmapComboBox(panel, style = wx.CB_READONLY)
        # only temporary, images must be moved away
        imagePath = os.path.join(globalvar.ETCIMGDIR, "scalebar-fancy.png"), os.path.join(globalvar.ETCIMGDIR, "scalebar-simple.png") 
        for item, path in zip(['fancy', 'simple'], imagePath):
            if not os.path.exists(path):
                bitmap = wx.EmptyBitmap(0,0)
            else:
                bitmap = wx.Bitmap(path)
            self.sbCombo.Append(item = '', bitmap = bitmap, clientData = item[0])
        #self.sbCombo.Append(item = 'simple', bitmap = wx.Bitmap("./images/scalebar-simple.png"), clientData = 's')
        if self.scalebarDict['scalebar'] == 'f':
            self.sbCombo.SetSelection(0)
        elif self.scalebarDict['scalebar'] == 's':
            self.sbCombo.SetSelection(1)
            
        sbSegmentsText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Number of segments:"))
        self.sbSegmentsCtrl = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 30, initial = 4)
        self.sbSegmentsCtrl.SetValue(self.scalebarDict['segment'])
        
        sbLabelsText1 = wx.StaticText(panel, id = wx.ID_ANY, label = _("Label every "))
        sbLabelsText2 = wx.StaticText(panel, id = wx.ID_ANY, label = _("segments"))
        self.sbLabelsCtrl = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 1, max = 30, initial = 1)
        self.sbLabelsCtrl.SetValue(self.scalebarDict['numbers'])
        
        #font
        fontsizeText = wx.StaticText(panel, id = wx.ID_ANY, label = _("Font size:"))
        self.fontsizeCtrl = wx.SpinCtrl(panel, id = wx.ID_ANY, min = 4, max = 30, initial = 10)
        self.fontsizeCtrl.SetValue(self.scalebarDict['fontsize'])
        
        self.backgroundCheck = wx.CheckBox(panel, id = wx.ID_ANY, label = _("transparent text background"))
        if self.scalebarDict['background'] == 'y':
            self.backgroundCheck.SetValue(False)
        else:
            self.backgroundCheck.SetValue(True)

        gridBagSizer.Add(sbTypeText, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.sbCombo, pos = (0,1), span = (1, 2), flag = wx.ALIGN_CENTER_VERTICAL|wx.EXPAND, border = 0)
        gridBagSizer.Add(sbSegmentsText, pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.sbSegmentsCtrl, pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(sbLabelsText1, pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.sbLabelsCtrl, pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(sbLabelsText2, pos = (2,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(fontsizeText, pos = (3,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.fontsizeCtrl, pos = (3,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.backgroundCheck, pos = (4, 0), span = (1,3), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.ALIGN_CENTER_VERTICAL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        panel.SetSizer(border)
        
        return panel
                           
    def update(self):
        """!Save information from dialog"""

        #units
        currUnit = self.unitConv.findUnit(self.panel.units['unitsCtrl'].GetStringSelection())
        self.scalebarDict['unit'] = currUnit
        # position
        if self.panel.position['xCtrl'].GetValue():
            x = self.panel.position['xCtrl'].GetValue() 
        else:
            x = self.scalebarDict['where'][0]

        if self.panel.position['yCtrl'].GetValue():
            y = self.panel.position['yCtrl'].GetValue() 
        else:
            y = self.scalebarDict['where'][1]

        x = self.unitConv.convert(value = float(self.panel.position['xCtrl'].GetValue()), fromUnit = currUnit, toUnit = 'inch')
        y = self.unitConv.convert(value = float(self.panel.position['yCtrl'].GetValue()), fromUnit = currUnit, toUnit = 'inch')
        
        #style
        self.scalebarDict['scalebar'] = self.sbCombo.GetClientData(self.sbCombo.GetSelection())
        self.scalebarDict['segment'] = self.sbSegmentsCtrl.GetValue()
        self.scalebarDict['numbers'] = self.sbLabelsCtrl.GetValue()
        self.scalebarDict['fontsize'] = self.fontsizeCtrl.GetValue()
        if self.backgroundCheck.GetValue():
            self.scalebarDict['background'] = 'n' 
        else:
            self.scalebarDict['background'] = 'y'

        
        # size
        
        # height
        self.scalebarDict['unitsHeight'] = self.unitConv.findUnit(self.unitsHeight.GetStringSelection())
        try:
            height = float(self.heightTextCtrl.GetValue())  
            height = self.unitConv.convert(value = height, fromUnit = self.scalebarDict['unitsHeight'], toUnit = 'inch') 
        except (ValueError, SyntaxError):
            height = 0.1 #default in inch
        self.scalebarDict['height'] = height    
        
        #length
        if self.unitsLength.GetSelection() == 0:
            selected = 'auto'
        else:
            selected = self.unitConv.findUnit(self.unitsLength.GetStringSelection())
            if selected == 'nautical miles':
                selected = 'nautmiles'
        self.scalebarDict['unitsLength'] = selected
        try:
            length = float(self.lengthTextCtrl.GetValue())
        except (ValueError, SyntaxError):
            wx.MessageBox(message = _("Length of scale bar is not defined"),
                                    caption = _('Invalid input'), style = wx.OK|wx.ICON_ERROR)
            return False
        self.scalebarDict['length'] = length
            
        # estimation of size
        map = self.instruction.FindInstructionByType('map')
        if not map:
            map = self.instruction.FindInstructionByType('initMap')
        mapId = map.id
         
        rectSize = self.scalebar.EstimateSize(scalebarDict = self.scalebarDict,
                                                                scale = self.instruction[mapId]['scale'])
        self.scalebarDict['rect'] = wx.Rect2D(x = x, y = y, w = rectSize[0], h = rectSize[1])
        self.scalebarDict['where'] = self.scalebarDict['rect'].GetCentre() 

        if self.id not in self.instruction:
            scalebar = Scalebar(self.id)
            self.instruction.AddInstruction(scalebar)
        self.instruction[self.id].SetInstruction(self.scalebarDict)
        if self.id not in self.parent.objectId:
            self.parent.objectId.append(self.id)
            
        return True
    
    def updateDialog(self):
        """!Update scalebar coordinates, after moving"""
        x, y = self.scalebarDict['rect'][:2]
        currUnit = self.unitConv.findUnit(self.panel.units['unitsCtrl'].GetStringSelection())
        x = self.unitConv.convert(value = x, fromUnit = 'inch', toUnit = currUnit)
        y = self.unitConv.convert(value = y, fromUnit = 'inch', toUnit = currUnit)
        self.panel.position['xCtrl'].SetValue("%5.3f" % x)
        self.panel.position['yCtrl'].SetValue("%5.3f" % y)
        
 
        
class TextDialog(PsmapDialog):
    def __init__(self, parent, id, settings):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "Text settings", settings = settings)
        self.objectType = ('text',)
        if self.id is not None:
            self.textDict = self.instruction[id].GetInstruction()
        else:
            self.id = wx.NewId()  
            text = Text(self.id)
            self.textDict = text.GetInstruction()
            page = self.instruction.FindInstructionByType('page').GetInstruction()
            self.textDict['where'] = page['Left'], page['Top'] 
                
        map = self.instruction.FindInstructionByType('map')
        if not map:
            map = self.instruction.FindInstructionByType('initMap')
        self.mapId = map.id

        self.textDict['east'], self.textDict['north'] = PaperMapCoordinates(map = map, x = self.textDict['where'][0], y = self.textDict['where'][1], paperToMap = True)
        
        notebook = wx.Notebook(parent = self, id = wx.ID_ANY, style = wx.BK_DEFAULT)     
        self.textPanel = self._textPanel(notebook)
        self.positionPanel = self._positionPanel(notebook)
        self.OnBackground(None)
        self.OnHighlight(None)
        self.OnBorder(None)
        self.OnPositionType(None)
        self.OnRotation(None)
     
        self._layout(notebook)

    def _textPanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Text"))
        
        border = wx.BoxSizer(wx.VERTICAL)
        
        # text entry    
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Text"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        
        textLabel = wx.StaticText(panel, id = wx.ID_ANY, label = _("Enter text:"))
        self.textCtrl = ExpandoTextCtrl(panel, id = wx.ID_ANY, value = self.textDict['text'])
        
        sizer.Add(textLabel, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALL, border = 5)
        sizer.Add(self.textCtrl, proportion = 1, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)        
        
        #font       
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Font settings"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        flexGridSizer = wx.FlexGridSizer (rows = 3, cols = 2, hgap = 5, vgap = 5)
        flexGridSizer.AddGrowableCol(1)
        
        self.AddFont(parent = panel, dialogDict = self.textDict)
        
        flexGridSizer.Add(panel.font['fontLabel'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexGridSizer.Add(panel.font['fontCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexGridSizer.Add(panel.font['fontSizeLabel'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexGridSizer.Add(panel.font['fontSizeCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        flexGridSizer.Add(panel.font['colorLabel'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)        
        flexGridSizer.Add(panel.font['colorCtrl'], proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(item = flexGridSizer, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        #text effects        
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Text effects"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        gridBagSizer = wx.GridBagSizer (hgap = 5, vgap = 5)
        
        self.effect = {}
        self.effect['backgroundCtrl'] = wx.CheckBox(panel, id = wx.ID_ANY, label = _("text background"))
        self.effect['backgroundColor'] = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        
        self.effect['highlightCtrl'] = wx.CheckBox(panel, id = wx.ID_ANY, label = _("highlight"))
        self.effect['highlightColor'] = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        self.effect['highlightWidth'] = wx.SpinCtrl(panel, id = wx.ID_ANY, size = self.spinCtrlSize, min = 0, max = 5, initial = 1)
        self.effect['highlightWidthLabel'] = wx.StaticText(panel, id = wx.ID_ANY, label = _("Width (pts):"))
        
        self.effect['borderCtrl'] = wx.CheckBox(panel, id = wx.ID_ANY, label = _("text border"))
        self.effect['borderColor'] = wx.ColourPickerCtrl(panel, id = wx.ID_ANY)
        self.effect['borderWidth'] = wx.SpinCtrl(panel, id = wx.ID_ANY, size = self.spinCtrlSize, min = 1, max = 25, initial = 1)
        self.effect['borderWidthLabel'] = wx.StaticText(panel, id = wx.ID_ANY, label = _("Width (pts):"))

        #set values
        if self.textDict['background'] == None:
            self.textDict['background'] = 'none'
        if self.textDict['background'] != 'none':
            self.effect['backgroundCtrl'].SetValue(True) 
            self.effect['backgroundColor'].SetColour(convertRGB(self.textDict['background']))
        else:
            self.effect['backgroundCtrl'].SetValue(False)
            self.effect['backgroundColor'].SetColour(convertRGB('white'))

        if self.textDict['hcolor'] == None:
             self.textDict['hcolor'] = 'none'
        if self.textDict['hcolor'] != 'none':
            self.effect['highlightCtrl'].SetValue(True) 
            self.effect['highlightColor'].SetColour(convertRGB(self.textDict['hcolor']))
        else:
            self.effect['highlightCtrl'].SetValue(False)
            self.effect['highlightColor'].SetColour(convertRGB('grey'))

        self.effect['highlightWidth'].SetValue(float(self.textDict['hwidth']))
        
        if self.textDict['border'] == None:
            self.textDict['border'] = 'none'
        if self.textDict['border'] != 'none':
            self.effect['borderCtrl'].SetValue(True) 
            self.effect['borderColor'].SetColour(convertRGB(self.textDict['border'])) 
        else:
            self.effect['borderCtrl'].SetValue(False)
            self.effect['borderColor'].SetColour(convertRGB('black'))

        self.effect['borderWidth'].SetValue(float(self.textDict['width']))
        
        gridBagSizer.Add(self.effect['backgroundCtrl'], pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['backgroundColor'], pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['highlightCtrl'], pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['highlightColor'], pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['highlightWidthLabel'], pos = (1,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['highlightWidth'], pos = (1,3), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['borderCtrl'], pos = (2,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['borderColor'], pos = (2,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['borderWidthLabel'], pos = (2,2), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizer.Add(self.effect['borderWidth'], pos = (2,3), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizer.Add(item = gridBagSizer, proportion = 1, flag = wx.ALL | wx.EXPAND, border = 1)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        self.Bind(EVT_ETC_LAYOUT_NEEDED, self.OnRefit, self.textCtrl)
        self.Bind(wx.EVT_CHECKBOX, self.OnBackground, self.effect['backgroundCtrl'])
        self.Bind(wx.EVT_CHECKBOX, self.OnHighlight, self.effect['highlightCtrl'])
        self.Bind(wx.EVT_CHECKBOX, self.OnBorder, self.effect['borderCtrl'])
        
        panel.SetSizer(border)
        panel.Fit()
        
        return panel 
        
    def _positionPanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Position"))

        border = wx.BoxSizer(wx.VERTICAL) 

        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Position"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(0)
        gridBagSizer.AddGrowableCol(1)
        
        #Position
        self.AddExtendedPosition(panel, gridBagSizer, self.textDict)
        
        #offset
        box3   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " %_("Offset"))
        sizerO = wx.StaticBoxSizer(box3, wx.VERTICAL)
        gridBagSizerO = wx.GridBagSizer (hgap = 5, vgap = 5)
        self.xoffLabel = wx.StaticText(panel, id = wx.ID_ANY, label = _("horizontal (pts):"))
        self.yoffLabel = wx.StaticText(panel, id = wx.ID_ANY, label = _("vertical (pts):"))
        self.xoffCtrl = wx.SpinCtrl(panel, id = wx.ID_ANY, size = (50, -1), min = -50, max = 50, initial = 0)
        self.yoffCtrl = wx.SpinCtrl(panel, id = wx.ID_ANY, size = (50, -1), min = -50, max = 50, initial = 0) 
        self.xoffCtrl.SetValue(self.textDict['xoffset'])       
        self.yoffCtrl.SetValue(self.textDict['yoffset'])
        gridBagSizerO.Add(self.xoffLabel, pos = (0,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizerO.Add(self.yoffLabel, pos = (1,0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizerO.Add(self.xoffCtrl, pos = (0,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridBagSizerO.Add(self.yoffCtrl, pos = (1,1), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        
        sizerO.Add(gridBagSizerO, proportion = 1, flag = wx.EXPAND|wx.ALL, border = 5)
        gridBagSizer.Add(sizerO, pos = (3,0), flag = wx.ALIGN_CENTER_HORIZONTAL|wx.EXPAND, border = 0)
        # reference point
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " %_(" Reference point"))
        sizerR = wx.StaticBoxSizer(box, wx.VERTICAL)
        flexSizer = wx.FlexGridSizer(rows = 3, cols = 3, hgap = 5, vgap = 5)
        flexSizer.AddGrowableCol(0)
        flexSizer.AddGrowableCol(1)
        flexSizer.AddGrowableCol(2)
        ref = []
        for row in ["upper", "center", "lower"]:
            for col in ["left", "center", "right"]:
                ref.append(row + " " + col)
        self.radio = [wx.RadioButton(panel, id = wx.ID_ANY, label = '', style = wx.RB_GROUP, name = ref[0])]
        self.radio[0].SetValue(False)
        flexSizer.Add(self.radio[0], proportion = 0, flag = wx.ALIGN_CENTER, border = 0)
        for i in range(1,9):
            self.radio.append(wx.RadioButton(panel, id = wx.ID_ANY, label = '', name = ref[i]))
            self.radio[-1].SetValue(False)
            flexSizer.Add(self.radio[-1], proportion = 0, flag = wx.ALIGN_CENTER, border = 0)
        self.FindWindowByName(self.textDict['ref']).SetValue(True)
                
        sizerR.Add(flexSizer, proportion = 1, flag = wx.EXPAND, border = 0)
        gridBagSizer.Add(sizerR, pos = (3,1), flag = wx.ALIGN_LEFT|wx.EXPAND, border = 0)
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
                
        #rotation
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Text rotation"))
        sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)

        self.rotCtrl = wx.CheckBox(panel, id = wx.ID_ANY, label = _("rotate text (counterclockwise)"))
        self.rotValue = wx.SpinCtrl(panel, wx.ID_ANY, size = (50, -1), min = 0, max = 360, initial = 0)
        if self.textDict['rotate']:
            self.rotValue.SetValue(int(self.textDict['rotate']))
            self.rotCtrl.SetValue(True)
        else:
            self.rotValue.SetValue(0)
            self.rotCtrl.SetValue(False)
        sizer.Add(self.rotCtrl, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_LEFT|wx.ALL, border = 5)
        sizer.Add(self.rotValue, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_LEFT|wx.ALL, border = 5)
        
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        panel.SetSizer(border)
        panel.Fit()
          
        self.Bind(wx.EVT_RADIOBUTTON, self.OnPositionType, panel.position['toPaper']) 
        self.Bind(wx.EVT_RADIOBUTTON, self.OnPositionType, panel.position['toMap'])
        self.Bind(wx.EVT_CHECKBOX, self.OnRotation, self.rotCtrl)
        
        return panel
     
    def OnRefit(self, event):
        self.Fit()
        
    def OnRotation(self, event):
        if self.rotCtrl.GetValue():
            self.rotValue.Enable()
        else: 
            self.rotValue.Disable()
            
    def OnPositionType(self, event):
        if self.positionPanel.position['toPaper'].GetValue():
            for widget in self.gridBagSizerP.GetChildren():
                widget.GetWindow().Enable()
            for widget in self.gridBagSizerM.GetChildren():
                widget.GetWindow().Disable()
        else:
            for widget in self.gridBagSizerM.GetChildren():
                widget.GetWindow().Enable()
            for widget in self.gridBagSizerP.GetChildren():
                widget.GetWindow().Disable()
                
    def OnBackground(self, event):
        if self.effect['backgroundCtrl'].GetValue():
            self.effect['backgroundColor'].Enable()
            self.update()
        else:
            self.effect['backgroundColor'].Disable()
    
    def OnHighlight(self, event):
        if self.effect['highlightCtrl'].GetValue():
            self.effect['highlightColor'].Enable()
            self.effect['highlightWidth'].Enable()
            self.effect['highlightWidthLabel'].Enable()
            self.update()
        else:
            self.effect['highlightColor'].Disable()
            self.effect['highlightWidth'].Disable()
            self.effect['highlightWidthLabel'].Disable()
            
    def OnBorder(self, event):
        if self.effect['borderCtrl'].GetValue():
            self.effect['borderColor'].Enable()
            self.effect['borderWidth'].Enable()
            self.effect['borderWidthLabel'].Enable()
            self.update()
        else:
            self.effect['borderColor'].Disable()
            self.effect['borderWidth'].Disable()
            self.effect['borderWidthLabel'].Disable()
            
    def update(self): 
        #text
        self.textDict['text'] = self.textCtrl.GetValue()
        if not self.textDict['text']:
            wx.MessageBox(_("No text entered!"), _("Error"))
            return False
            
        #font
        self.textDict['font'] = self.textPanel.font['fontCtrl'].GetStringSelection()
        self.textDict['fontsize'] = self.textPanel.font['fontSizeCtrl'].GetValue()
        color = self.textPanel.font['colorCtrl'].GetColour()
        self.textDict['color'] = convertRGB(color)

        #effects
        if self.effect['backgroundCtrl'].GetValue():
            background = self.effect['backgroundColor'].GetColour()
            self.textDict['background'] = convertRGB(background)
        else:
            self.textDict['background'] = 'none'        
                
        if self.effect['borderCtrl'].GetValue():
            border = self.effect['borderColor'].GetColour()
            self.textDict['border'] = convertRGB(border)
        else:
            self.textDict['border'] = 'none' 
                     
        self.textDict['width'] = self.effect['borderWidth'].GetValue()
        
        if self.effect['highlightCtrl'].GetValue():
            highlight = self.effect['highlightColor'].GetColour()
            self.textDict['hcolor'] = convertRGB(highlight)
        else:
            self.textDict['hcolor'] = 'none'

        self.textDict['hwidth'] = self.effect['highlightWidth'].GetValue()
        
        #offset
        self.textDict['xoffset'] = self.xoffCtrl.GetValue()
        self.textDict['yoffset'] = self.yoffCtrl.GetValue()

        #position
        if self.positionPanel.position['toPaper'].GetValue():
            self.textDict['XY'] = True
            currUnit = self.unitConv.findUnit(self.positionPanel.units['unitsCtrl'].GetStringSelection())
            self.textDict['unit'] = currUnit
            if self.positionPanel.position['xCtrl'].GetValue():
                x = self.positionPanel.position['xCtrl'].GetValue() 
            else:
                x = self.textDict['where'][0]

            if self.positionPanel.position['yCtrl'].GetValue():
                y = self.positionPanel.position['yCtrl'].GetValue() 
            else:
                y = self.textDict['where'][1]

            x = self.unitConv.convert(value = float(x), fromUnit = currUnit, toUnit = 'inch')
            y = self.unitConv.convert(value = float(y), fromUnit = currUnit, toUnit = 'inch')
            self.textDict['where'] = x, y
            self.textDict['east'], self.textDict['north'] = PaperMapCoordinates(self.instruction[self.mapId], x, y, paperToMap = True)
        else:
            self.textDict['XY'] = False
            if self.positionPanel.position['eCtrl'].GetValue():
                self.textDict['east'] = self.positionPanel.position['eCtrl'].GetValue() 
            else:
                self.textDict['east'] = self.textDict['east']

            if self.positionPanel.position['nCtrl'].GetValue():
                self.textDict['north'] = self.positionPanel.position['nCtrl'].GetValue() 
            else:
                self.textDict['north'] = self.textDict['north']

            self.textDict['where'] = PaperMapCoordinates(map = self.instruction[self.mapId], x = float(self.textDict['east']),
                                                            y = float(self.textDict['north']), paperToMap = False)
        #rotation
        if self.rotCtrl.GetValue():
            self.textDict['rotate'] = self.rotValue.GetValue()
        else:
            self.textDict['rotate'] = None
        #reference point
        for radio in self.radio:
            if radio.GetValue() == True:
                self.textDict['ref'] = radio.GetName()
                
        if self.id not in self.instruction:
            text = Text(self.id)
            self.instruction.AddInstruction(text)
        self.instruction[self.id].SetInstruction(self.textDict)
        
        if self.id not in self.parent.objectId:
            self.parent.objectId.append(self.id)

#        self.updateDialog()

        return True
    
    def updateDialog(self):
        """!Update text coordinates, after moving"""
        # XY coordinates
        x, y = self.textDict['where'][:2]
        currUnit = self.unitConv.findUnit(self.positionPanel.units['unitsCtrl'].GetStringSelection())
        x = self.unitConv.convert(value = x, fromUnit = 'inch', toUnit = currUnit)
        y = self.unitConv.convert(value = y, fromUnit = 'inch', toUnit = currUnit)
        self.positionPanel.position['xCtrl'].SetValue("%5.3f" % x)
        self.positionPanel.position['yCtrl'].SetValue("%5.3f" % y)
        # EN coordinates
        e, n = self.textDict['east'], self.textDict['north']
        self.positionPanel.position['eCtrl'].SetValue(str(self.textDict['east']))
        self.positionPanel.position['nCtrl'].SetValue(str(self.textDict['north']))
        
class ImageDialog(PsmapDialog):
    """!Dialog for setting image properties.
    
    It's base dialog for North Arrow dialog.
    """
    def __init__(self, parent, id, settings, imagePanelName = _("Image")):
        PsmapDialog.__init__(self, parent = parent, id = id, title = "Image settings",
                             settings = settings)
        
        self.objectType = ('image',)
        if self.id is not None:
            self.imageObj = self.instruction[self.id]
            self.imageDict = self.instruction[id].GetInstruction()
        else:
            self.id = wx.NewId()
            self.imageObj = self._newObject()
            self.imageDict = self.imageObj.GetInstruction()
            page = self.instruction.FindInstructionByType('page').GetInstruction()
            self.imageDict['where'] = page['Left'], page['Top'] 
                
        map = self.instruction.FindInstructionByType('map')
        if not map:
            map = self.instruction.FindInstructionByType('initMap')
        self.mapId = map.id

        self.imageDict['east'], self.imageDict['north'] = PaperMapCoordinates(map = map, x = self.imageDict['where'][0], y = self.imageDict['where'][1], paperToMap = True)
        
        notebook = wx.Notebook(parent = self, id = wx.ID_ANY, style = wx.BK_DEFAULT)
        self.imagePanelName = imagePanelName
        self.imagePanel = self._imagePanel(notebook)
        self.positionPanel = self._positionPanel(notebook)
        self.OnPositionType(None)
        
        if self.imageDict['epsfile']:
            self.imagePanel.image['dir'].SetValue(os.path.dirname(self.imageDict['epsfile']))
        else:
            self.imagePanel.image['dir'].SetValue(self._getImageDirectory())
        self.OnDirChanged(None)
     
        self._layout(notebook)
        
        
    def _newObject(self):
        """!Create corresponding instruction object"""
        return Image(self.id, self.instruction)
        
    def _imagePanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = self.imagePanelName)
        border = wx.BoxSizer(wx.VERTICAL)
        #
        # choose image
        #
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Image"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        
        # choose directory
        panel.image = {}
        if self.imageDict['epsfile']:
            startDir = os.path.dirname(self.imageDict['epsfile'])
        else:
            startDir = self._getImageDirectory()
        dir = filebrowse.DirBrowseButton(parent = panel, id = wx.ID_ANY,
                                         labelText = _("Choose a directory:"),
                                         dialogTitle = _("Choose a directory with images"),
                                         buttonText = _('Browse'),
                                         startDirectory = startDir,
                                         changeCallback = self.OnDirChanged)
        panel.image['dir'] = dir
       
        
        sizer.Add(item = dir, proportion = 0, flag = wx.EXPAND, border = 0)
        
        # image list
        hSizer = wx.BoxSizer(wx.HORIZONTAL)
        
        imageList = wx.ListBox(parent = panel, id = wx.ID_ANY)
        panel.image['list'] = imageList
        imageList.Bind(wx.EVT_LISTBOX, self.OnImageSelectionChanged)
        
        hSizer.Add(item = imageList, proportion = 1, flag = wx.EXPAND | wx.RIGHT, border = 10)
        
        # image preview
        vSizer = wx.BoxSizer(wx.VERTICAL)
        self.previewSize = (150, 150)
        img = wx.EmptyImage(*self.previewSize)
        panel.image['preview'] = wx.StaticBitmap(parent = panel, id = wx.ID_ANY,
                                                bitmap = wx.BitmapFromImage(img))
        vSizer.Add(item = panel.image['preview'], proportion = 0, flag = wx.EXPAND | wx.BOTTOM, border = 5)
        panel.image['sizeInfo'] = wx.StaticText(parent = panel, id = wx.ID_ANY)
        vSizer.Add(item = panel.image['sizeInfo'], proportion = 0, flag = wx.ALIGN_CENTER, border = 0)
        
        hSizer.Add(item = vSizer, proportion = 0, flag = wx.EXPAND, border = 0)
        sizer.Add(item = hSizer, proportion = 1, flag = wx.EXPAND | wx.ALL, border = 3)
        
        epsInfo = wx.StaticText(parent = panel, id = wx.ID_ANY,
                                label = _("Note: only EPS format supported"))
        sizer.Add(item = epsInfo, proportion = 0, flag = wx.ALIGN_CENTER_VERTICAL | wx.ALL, border = 3)
        
        
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        #
        # rotation
        #
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Scale And Rotation"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        
        gridSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        
        scaleLabel = wx.StaticText(parent = panel, id = wx.ID_ANY, label = _("Scale:"))
        if fs:
            panel.image['scale'] = fs.FloatSpin(panel, id = wx.ID_ANY, min_val = 0, max_val = 50,
                                          increment = 0.5, value = 1, style = fs.FS_RIGHT, size = self.spinCtrlSize)
            panel.image['scale'].SetFormat("%f")
            panel.image['scale'].SetDigits(1)
        else:
            panel.image['scale'] = wx.TextCtrl(panel, id = wx.ID_ANY, size = self.spinCtrlSize,
                                                  validator = TCValidator(flag = 'DIGIT_ONLY'))
        
        if self.imageDict['scale']:
            if fs:
                value = float(self.imageDict['scale'])
            else:
                value = str(self.imageDict['scale'])
        else:
            if fs:
                value = 0
            else:
                value = '0'
        panel.image['scale'].SetValue(value)
            
        gridSizer.Add(item = scaleLabel, pos = (0, 0), flag = wx.ALIGN_CENTER_VERTICAL)
        gridSizer.Add(item = panel.image['scale'], pos = (0, 1), flag = wx.ALIGN_CENTER_VERTICAL)
        
        
        rotLabel = wx.StaticText(parent = panel, id = wx.ID_ANY, label = _("Rotation angle (deg):"))
        if fs:
            panel.image['rotate'] = fs.FloatSpin(panel, id = wx.ID_ANY, min_val = 0, max_val = 360,
                                          increment = 0.5, value = 0, style = fs.FS_RIGHT, size = self.spinCtrlSize)
            panel.image['rotate'].SetFormat("%f")
            panel.image['rotate'].SetDigits(1)
        else:
            panel.image['rotate'] = wx.SpinCtrl(parent = panel, id = wx.ID_ANY, size = self.spinCtrlSize,
                                                min = 0, max = 359, initial = 0)
        panel.image['rotate'].SetToolTipString(_("Counterclockwise rotation in degrees"))
        if self.imageDict['rotate']:
            panel.image['rotate'].SetValue(int(self.imageDict['rotate']))
        else:
            panel.image['rotate'].SetValue(0)
            
        gridSizer.Add(item = rotLabel, pos = (1, 0), flag = wx.ALIGN_CENTER_VERTICAL, border = 0)
        gridSizer.Add(item = panel.image['rotate'], pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL)
        
        self._addConvergence(panel = panel, gridBagSizer = gridSizer)
        sizer.Add(item = gridSizer, proportion = 0, flag = wx.EXPAND | wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        panel.SetSizer(border)
        panel.Fit()
        
        return panel
        
    def _positionPanel(self, notebook):
        panel = wx.Panel(parent = notebook, id = wx.ID_ANY, size = (-1, -1), style = wx.TAB_TRAVERSAL)
        notebook.AddPage(page = panel, text = _("Position"))
        border = wx.BoxSizer(wx.VERTICAL)
        #
        # set position
        #
        box   = wx.StaticBox (parent = panel, id = wx.ID_ANY, label = " %s " % _("Position"))
        sizer = wx.StaticBoxSizer(box, wx.VERTICAL)
        
        gridBagSizer = wx.GridBagSizer(hgap = 5, vgap = 5)
        gridBagSizer.AddGrowableCol(0)
        gridBagSizer.AddGrowableCol(1)
        
        self.AddExtendedPosition(panel, gridBagSizer, self.imageDict)
        
        self.Bind(wx.EVT_RADIOBUTTON, self.OnPositionType, panel.position['toPaper']) 
        self.Bind(wx.EVT_RADIOBUTTON, self.OnPositionType, panel.position['toMap'])
        
        
        sizer.Add(gridBagSizer, proportion = 1, flag = wx.ALIGN_CENTER_VERTICAL| wx.ALL, border = 5)
        border.Add(item = sizer, proportion = 0, flag = wx.ALL | wx.EXPAND, border = 5)
        
        panel.SetSizer(border)
        panel.Fit()
        
        return panel
        
    def OnDirChanged(self, event):
        """!Image directory changed"""
        path = self.imagePanel.image['dir'].GetValue()
        try:
            files = os.listdir(path)
        except OSError: # no such directory
            files = []
        imageList = []
        
        # no setter for startDirectory?
        try:
            self.imagePanel.image['dir'].startDirectory = path
        except AttributeError: # for sure
            pass
        for file in files:
            if os.path.splitext(file)[1].lower() == '.eps':
                imageList.append(file)
        
        imageList.sort()
        self.imagePanel.image['list'].SetItems(imageList)
        if self.imageDict['epsfile']:
            file = os.path.basename(self.imageDict['epsfile'])
            self.imagePanel.image['list'].SetStringSelection(file)
        elif imageList:
            self.imagePanel.image['list'].SetSelection(0)
        self.OnImageSelectionChanged(None)
        
    def OnPositionType(self, event):
        if self.positionPanel.position['toPaper'].GetValue():
            for widget in self.gridBagSizerP.GetChildren():
                widget.GetWindow().Enable()
            for widget in self.gridBagSizerM.GetChildren():
                widget.GetWindow().Disable()
        else:
            for widget in self.gridBagSizerM.GetChildren():
                widget.GetWindow().Enable()
            for widget in self.gridBagSizerP.GetChildren():
                widget.GetWindow().Disable()
                
    def _getImageDirectory(self):
        """!Default image directory"""
        return os.getcwd()
        
    def _addConvergence(self, panel, gridBagSizer):
        pass
        
    def OnImageSelectionChanged(self, event):
        """!Image selected, show preview and size"""
        if not self.imagePanel.image['dir']: # event is emitted when closing dialog an it causes error
            return
            
        if not havePILImage:
            self.DrawWarningText(_("PIL\nmissing"))
            return
        
        imageName = self.imagePanel.image['list'].GetStringSelection()
        if not imageName:
            self.ClearPreview()
            return
        basePath = self.imagePanel.image['dir'].GetValue()
        file = os.path.join(basePath, imageName)
        if not os.path.exists(file):
            return
            
        if os.path.splitext(file)[1].lower() == '.eps':
            try:
                pImg = PILImage.open(file)
                img = PilImageToWxImage(pImg)
            except IOError, e:
                GError(message = _("Unable to read file %s") % file)
                self.ClearPreview()
                return
            self.SetSizeInfoLabel(img)
            img = self.ScaleToPreview(img)
            bitmap = img.ConvertToBitmap()
            self.DrawBitmap(bitmap)
            
        else:
            # TODO: read other formats and convert by PIL to eps
            pass
    
    def ScaleToPreview(self, img):
        """!Scale image to preview size"""
        w = img.GetWidth()
        h = img.GetHeight()
        if w <= self.previewSize[0] and h <= self.previewSize[1]:
            return img
        if w > h:
            newW = self.previewSize[0]
            newH = self.previewSize[0] * h / w
        else:
            newH = self.previewSize[0]
            newW = self.previewSize[0] * w / h
        return img.Scale(newW, newH, wx.IMAGE_QUALITY_HIGH)
        
    def DrawWarningText(self, warning):
        """!Draw text on preview window"""
        buffer = wx.EmptyBitmap(*self.previewSize)
        dc = wx.MemoryDC()
        dc.SelectObject(buffer)
        dc.SetBrush(wx.Brush(wx.Color(250, 250, 250)))
        dc.Clear()
        extent = dc.GetTextExtent(warning)
        posX = self.previewSize[0] / 2 - extent[0] / 2
        posY = self.previewSize[1] / 2 - extent[1] / 2
        dc.DrawText(warning, posX, posY)
        self.imagePanel.image['preview'].SetBitmap(buffer)
        dc.SelectObject(wx.NullBitmap)
        
    def DrawBitmap(self, bitmap):
        """!Draw bitmap, center it if smaller than preview size"""
        if bitmap.GetWidth() <= self.previewSize[0] and bitmap.GetHeight() <= self.previewSize[1]:
            buffer = wx.EmptyBitmap(*self.previewSize)
            dc = wx.MemoryDC()
            dc.SelectObject(buffer)
            dc.SetBrush(dc.GetBrush())
            dc.Clear()
            posX = self.previewSize[0] / 2 - bitmap.GetWidth() / 2
            posY = self.previewSize[1] / 2 - bitmap.GetHeight() / 2
            dc.DrawBitmap(bitmap, posX, posY)
            self.imagePanel.image['preview'].SetBitmap(buffer)
            dc.SelectObject(wx.NullBitmap)
        else:
            self.imagePanel.image['preview'].SetBitmap(bitmap)
            
    def SetSizeInfoLabel(self, image):
        """!Update image size label"""
        self.imagePanel.image['sizeInfo'].SetLabel(_("size: %s x %s pts") % (image.GetWidth(), image.GetHeight()))
        self.imagePanel.image['sizeInfo'].GetContainingSizer().Layout()
        
    def ClearPreview(self):
        """!Clear preview window"""
        buffer = wx.EmptyBitmap(*self.previewSize)
        dc = wx.MemoryDC()
        dc.SelectObject(buffer)
        dc.SetBrush(wx.WHITE_BRUSH)
        dc.Clear()
        mask = wx.Mask(buffer, wx.WHITE)
        buffer.SetMask(mask)
        self.imagePanel.image['preview'].SetBitmap(buffer)
        dc.SelectObject(wx.NullBitmap)
        
    def update(self): 
        # epsfile
        selected = self.imagePanel.image['list'].GetStringSelection()
        basePath = self.imagePanel.image['dir'].GetValue()
        if not selected:
            gcmd.GMessage(parent = self, message = _("No image selected."))
            return False
            
        self.imageDict['epsfile'] = os.path.join(basePath, selected)
        
        #position
        if self.positionPanel.position['toPaper'].GetValue():
            self.imageDict['XY'] = True
            currUnit = self.unitConv.findUnit(self.positionPanel.units['unitsCtrl'].GetStringSelection())
            self.imageDict['unit'] = currUnit
            if self.positionPanel.position['xCtrl'].GetValue():
                x = self.positionPanel.position['xCtrl'].GetValue() 
            else:
                x = self.imageDict['where'][0]

            if self.positionPanel.position['yCtrl'].GetValue():
                y = self.positionPanel.position['yCtrl'].GetValue() 
            else:
                y = self.imageDict['where'][1]

            x = self.unitConv.convert(value = float(x), fromUnit = currUnit, toUnit = 'inch')
            y = self.unitConv.convert(value = float(y), fromUnit = currUnit, toUnit = 'inch')
            self.imageDict['where'] = x, y
            
        else:
            self.imageDict['XY'] = False
            if self.positionPanel.position['eCtrl'].GetValue():
                e = self.positionPanel.position['eCtrl'].GetValue() 
            else:
                self.imageDict['east'] = self.imageDict['east']

            if self.positionPanel.position['nCtrl'].GetValue():
                n = self.positionPanel.position['nCtrl'].GetValue() 
            else:
                self.imageDict['north'] = self.imageDict['north']

            x, y = PaperMapCoordinates(map = self.instruction[self.mapId], x = float(self.imageDict['east']),
                                       y = float(self.imageDict['north']), paperToMap = False)

        #rotation
        rot = self.imagePanel.image['rotate'].GetValue()
        if rot == 0:
            self.imageDict['rotate'] = None
        else:
            self.imageDict['rotate'] = rot
        
        #scale
        self.imageDict['scale'] = self.imagePanel.image['scale'].GetValue()
                
        # scale
        w, h = self.imageObj.GetImageOrigSize(self.imageDict['epsfile'])
        if self.imageDict['rotate']:
            self.imageDict['size'] = BBoxAfterRotation(w, h, self.imageDict['rotate'])
        else:
            self.imageDict['size'] = w, h
            
        w = self.unitConv.convert(value = self.imageDict['size'][0],
                                  fromUnit = 'point', toUnit = 'inch')
        h = self.unitConv.convert(value = self.imageDict['size'][1],
                                  fromUnit = 'point', toUnit = 'inch')
                                  
    
        self.imageDict['rect'] = wx.Rect2D(x = x, y = y,
                                       w = w * self.imageDict['scale'],
                                       h = h * self.imageDict['scale'])
        
        if self.id not in self.instruction:
            image = self._newObject()
            self.instruction.AddInstruction(image)
        self.instruction[self.id].SetInstruction(self.imageDict)
        
        if self.id not in self.parent.objectId:
            self.parent.objectId.append(self.id)

        return True
        
    def updateDialog(self):
        """!Update text coordinates, after moving"""
        # XY coordinates
        x, y = self.imageDict['where'][:2]
        currUnit = self.unitConv.findUnit(self.positionPanel.units['unitsCtrl'].GetStringSelection())
        x = self.unitConv.convert(value = x, fromUnit = 'inch', toUnit = currUnit)
        y = self.unitConv.convert(value = y, fromUnit = 'inch', toUnit = currUnit)
        self.positionPanel.position['xCtrl'].SetValue("%5.3f" % x)
        self.positionPanel.position['yCtrl'].SetValue("%5.3f" % y)
        # EN coordinates
        e, n = self.imageDict['east'], self.imageDict['north']
        self.positionPanel.position['eCtrl'].SetValue(str(self.imageDict['east']))
        self.positionPanel.position['nCtrl'].SetValue(str(self.imageDict['north']))
        
        
class NorthArrowDialog(ImageDialog):
    def __init__(self, parent, id, settings):
        ImageDialog.__init__(self, parent = parent, id = id, settings = settings,
                             imagePanelName = _("North Arrow"))
        
        self.objectType = ('northArrow',)
        self.SetTitle(_("North Arrow settings"))
    
    def _newObject(self):
        return NorthArrow(self.id, self.instruction)
        
    def _getImageDirectory(self):
        gisbase = os.getenv("GISBASE")
        return os.path.join(gisbase, 'etc', 'paint', 'decorations')
    
    def _addConvergence(self, panel, gridBagSizer):
        convergence = wx.Button(parent = panel, id = wx.ID_ANY,
                                               label = _("Compute convergence"))
        gridBagSizer.Add(item = convergence, pos = (1, 2),
                      flag = wx.ALIGN_CENTER_VERTICAL | wx.EXPAND)
        convergence.Bind(wx.EVT_BUTTON, self.OnConvergence)
        panel.image['convergence'] = convergence
        
    def OnConvergence(self, event):
        ret = RunCommand('g.region', read = True, flags = 'ng')
        if ret:
            convergence = float(ret.strip().split('=')[1])
            if convergence < 0:
                self.imagePanel.image['rotate'].SetValue(abs(convergence))
            else:
                self.imagePanel.image['rotate'].SetValue(360 - convergence)
            
        
def convertRGB(rgb):
    """!Converts wx.Colour(r,g,b,a) to string 'r:g:b' or named color,
            or named color/r:g:b string to wx.Colour, depending on input""" 
    # transform a wx.Colour tuple into an r:g:b string    
    if type(rgb) == wx.Colour:
        for name, color in grass.named_colors.items(): 
            if  rgb.Red() == int(color[0] * 255) and\
                rgb.Green() == int(color[1] * 255) and\
                rgb.Blue() == int(color[2] * 255):
                return name
        return str(rgb.Red()) + ':' + str(rgb.Green()) + ':' + str(rgb.Blue())
    # transform a GRASS named color or an r:g:b string into a wx.Colour tuple
    else:
        color = (grass.parse_color(rgb)[0]*255,
                 grass.parse_color(rgb)[1]*255,
                 grass.parse_color(rgb)[2]*255)
        color = wx.Color(*color)
        if color.IsOk():
            return color
        else:  
            return None
        
def PaperMapCoordinates(map, x, y, paperToMap = True):
    """!Converts paper (inch) coordinates -> map coordinates"""
    unitConv = UnitConversion()
    currRegionDict = grass.region()
    cornerEasting, cornerNorthing = currRegionDict['w'], currRegionDict['n']
    xMap = map['rect'][0]
    yMap = map['rect'][1]
    widthMap = map['rect'][2] * 0.0254 # to meter
    heightMap = map['rect'][3] * 0.0254
    xScale = widthMap / abs(currRegionDict['w'] - currRegionDict['e'])
    yScale = heightMap / abs(currRegionDict['n'] - currRegionDict['s'])
    currScale = (xScale + yScale) / 2
 
    if not paperToMap:
        textEasting, textNorthing = x, y
        eastingDiff = textEasting - cornerEasting 
        if currRegionDict['w'] > currRegionDict['e']:
            eastingDiff = - eastingDiff
        else:
            eastingDiff = eastingDiff

        northingDiff = textNorthing - cornerNorthing
        if currRegionDict['n'] > currRegionDict['s']:
            northingDiff = - northingDiff 
        else:
            northingDiff = northingDiff

        xPaper = xMap + unitConv.convert(value = eastingDiff, fromUnit = 'meter', toUnit = 'inch') * currScale
        yPaper = yMap + unitConv.convert(value = northingDiff, fromUnit = 'meter', toUnit = 'inch') * currScale
        return xPaper, yPaper
    else:
        if currRegionDict['w'] < currRegionDict['e']:
            eastingDiff = (x - xMap) 
        else:
            eastingDiff = (xMap - x)
        if currRegionDict['n'] < currRegionDict['s']:
            northingDiff = (y - yMap) 
        else:
            northingDiff = (yMap - y)

        textEasting = cornerEasting + unitConv.convert(value = eastingDiff, fromUnit = 'inch', toUnit = 'meter') / currScale
        textNorthing = cornerNorthing + unitConv.convert(value = northingDiff, fromUnit = 'inch', toUnit = 'meter') / currScale
        return int(textEasting), int(textNorthing)
        
def AutoAdjust(self, scaleType,  rect, map = None, mapType = None, region = None):
    """!Computes map scale, center and map frame rectangle to fit region (scale is not fixed)"""
    currRegionDict = {}
    if scaleType == 0 and map:# automatic, region from raster or vector
        res = ''
        if mapType == 'raster': 
            try:
                res = grass.read_command("g.region", flags = 'gu', rast = map)
            except grass.ScriptError:
                pass
        elif mapType == 'vector':
            res = grass.read_command("g.region", flags = 'gu', vect = map)
        currRegionDict = grass.parse_key_val(res, val_type = float)
    elif scaleType == 1 and region: # saved region
        res = grass.read_command("g.region", flags = 'gu', region = region)
        currRegionDict = grass.parse_key_val(res, val_type = float)
    elif scaleType == 2: # current region
        env = grass.gisenv()
        windFilePath = os.path.join(env['GISDBASE'], env['LOCATION_NAME'], env['MAPSET'], 'WIND')
        try:
            windFile = open(windFilePath, 'r').read()
        except IOError:
            currRegionDict = grass.region()
        regionDict = grass.parse_key_val(windFile, sep = ':', val_type = float)
        region = grass.read_command("g.region", flags = 'gu', n = regionDict['north'], s = regionDict['south'],
                                    e = regionDict['east'], w = regionDict['west'])
        currRegionDict = grass.parse_key_val(region, val_type = float)
                                                                
    else:
        return None, None, None
    
    if not currRegionDict:
        return None, None, None
    rX = rect.x
    rY = rect.y
    rW = rect.width
    rH = rect.height
    if not hasattr(self, 'unitConv'):
        self.unitConv = UnitConversion(self)
    toM = 1
    if projInfo()['proj'] != 'xy':
        toM = float(projInfo()['meters'])

    mW = self.unitConv.convert(value = (currRegionDict['e'] - currRegionDict['w']) * toM, fromUnit = 'meter', toUnit = 'inch')
    mH = self.unitConv.convert(value = (currRegionDict['n'] - currRegionDict['s']) * toM, fromUnit = 'meter', toUnit = 'inch')
    scale = min(rW/mW, rH/mH)
    
    if rW/rH > mW/mH:
        x = rX - (rH*(mW/mH) - rW)/2
        y = rY
        rWNew = rH*(mW/mH)
        rHNew = rH
    else:
        x = rX
        y = rY - (rW*(mH/mW) - rH)/2
        rHNew = rW*(mH/mW)
        rWNew = rW

    # center
    cE = (currRegionDict['w'] + currRegionDict['e'])/2
    cN = (currRegionDict['n'] + currRegionDict['s'])/2
    return scale, (cE, cN), wx.Rect2D(x, y, rWNew, rHNew) #inch

def SetResolution(dpi, width, height):
    """!If resolution is too high, lower it
    
    @param dpi max DPI
    @param width map frame width
    @param height map frame height
    """
    region = grass.region()
    if region['cols'] > width * dpi or region['rows'] > height * dpi:
        rows = height * dpi
        cols = width * dpi
        RunCommand('g.region', rows = rows, cols = cols)
               
def ComputeSetRegion(self, mapDict):
    """!Computes and sets region from current scale, map center coordinates and map rectangle"""

    if mapDict['scaleType'] == 3: # fixed scale
        scale = mapDict['scale']
            
        if not hasattr(self, 'unitConv'):
            self.unitConv = UnitConversion(self)
        
        fromM = 1
        if projInfo()['proj'] != 'xy':
            fromM = float(projInfo()['meters'])
        rectHalfInch = (mapDict['rect'].width/2, mapDict['rect'].height/2)
        rectHalfMeter = (self.unitConv.convert(value = rectHalfInch[0], fromUnit = 'inch', toUnit = 'meter')/ fromM /scale,
                         self.unitConv.convert(value = rectHalfInch[1], fromUnit = 'inch', toUnit = 'meter')/ fromM /scale) 
        
        centerE = mapDict['center'][0]
        centerN = mapDict['center'][1]
        
        raster = self.instruction.FindInstructionByType('raster')
        if raster:
            rasterId = raster.id 
        else:
            rasterId = None

        if rasterId:
            RunCommand('g.region', n = ceil(centerN + rectHalfMeter[1]),
                       s = floor(centerN - rectHalfMeter[1]),
                       e = ceil(centerE + rectHalfMeter[0]),
                       w = floor(centerE - rectHalfMeter[0]),
                       rast = self.instruction[rasterId]['raster'])
        else:
            RunCommand('g.region', n = ceil(centerN + rectHalfMeter[1]),
                       s = floor(centerN - rectHalfMeter[1]),
                       e = ceil(centerE + rectHalfMeter[0]),
                       w = floor(centerE - rectHalfMeter[0]))
                    
def projInfo():
    """!Return region projection and map units information,
    taken from render.py"""
    
    projinfo = dict()
    
    ret = RunCommand('g.proj', read = True, flags = 'p')
    
    if not ret:
        return projinfo
    
    for line in ret.splitlines():
        if ':' in line:
            key, val = line.split(':')
            projinfo[key.strip()] = val.strip()
        elif "XY location (unprojected)" in line:
            projinfo['proj'] = 'xy'
            projinfo['units'] = ''
            break
    
    return projinfo

def GetMapBounds(filename, portrait = True):
    """!Run ps.map -b to get information about map bounding box
    
        @param filename psmap input file
        @param portrait page orientation"""
    orient = ''
    if not portrait:
        orient = 'r'
    try:
        bb = map(float, grass.read_command('ps.map',
                                           flags = 'b' + orient,
                                           quiet = True,
                                           input = filename).strip().split('=')[1].split(','))
    except (grass.ScriptError, IndexError):
        GError(message = _("Unable to run `ps.map -b`"))
        return None
    return wx.Rect2D(bb[0], bb[3], bb[2] - bb[0], bb[1] - bb[3])

def getRasterType(map):
    """!Returns type of raster map (CELL, FCELL, DCELL)"""
    if map is None:
        map = ''
    file = grass.find_file(name = map, element = 'cell')
    if file['file']:
        rasterType = grass.raster_info(map)['datatype']
        return rasterType
    else:
        return None
   
def PilImageToWxImage(pilImage, copyAlpha = True):
    """!Convert PIL image to wx.Image
    
    Based on http://wiki.wxpython.org/WorkingWithImages
    """
    hasAlpha = pilImage.mode[-1] == 'A'
    if copyAlpha and hasAlpha :  # Make sure there is an alpha layer copy.
        wxImage = wx.EmptyImage( *pilImage.size )
        pilImageCopyRGBA = pilImage.copy()
        pilImageCopyRGB = pilImageCopyRGBA.convert('RGB')    # RGBA --> RGB
        pilImageRgbData = pilImageCopyRGB.tostring()
        wxImage.SetData(pilImageRgbData)
        wxImage.SetAlphaData(pilImageCopyRGBA.tostring()[3::4])  # Create layer and insert alpha values.

    else :    # The resulting image will not have alpha.
        wxImage = wx.EmptyImage(*pilImage.size)
        pilImageCopy = pilImage.copy()
        pilImageCopyRGB = pilImageCopy.convert('RGB')    # Discard any alpha from the PIL image.
        pilImageRgbData = pilImageCopyRGB.tostring()
        wxImage.SetData(pilImageRgbData)

    return wxImage

def BBoxAfterRotation(w, h, angle):
    """!Compute bounding box or rotated rectangle
    
    @param w rectangle width
    @param h rectangle height
    @param angle angle (0, 360) in degrees
    """
    angleRad = angle / 180. * pi
    ct = cos(angleRad)
    st = sin(angleRad)
    
    hct = h * ct
    wct = w * ct
    hst = h * st
    wst = w * st
    y = x = 0
    
    if 0 < angle <= 90:
        y_min = y
        y_max = y + hct + wst
        x_min = x - hst
        x_max = x + wct
    elif 90 < angle <= 180:
        y_min = y + hct
        y_max = y + wst
        x_min = x - hst + wct
        x_max = x
    elif 180 < angle <= 270:
        y_min = y + wst + hct
        y_max = y
        x_min = x + wct
        x_max = x - hst
    elif 270 < angle <= 360:
        y_min = y + wst
        y_max = y + hct
        x_min = x
        x_max = x + wct - hst
        
    width = int(ceil(abs(x_max) + abs(x_min)))
    height = int(ceil(abs(y_max) + abs(y_min)))
    return width, height