Geografic-Information-System/gui/wxpython/gui_modules/toolbars.py

"""
MODULE: toolbar

CLASSES:
    * AbstractToolbar
    * MapToolbar
    * GRToolbar
    * VDigitToolbar
    * ProfileToolbar
    
PURPOSE: Toolbars for Map Display window

AUTHORS: The GRASS Development Team
         Michael Barton, Martin Landa, Jachym Cepicky

COPYRIGHT: (C) 2007-2008 by 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.
"""

import wx
import os, sys

import globalvar
import gcmd
import grassenv
import gdialogs
import vdigit
from vdigit import VDigitSettingsDialog as VDigitSettingsDialog
from debug import Debug as Debug
from icon import Icons as Icons
from preferences import globalSettings as UserSettings

gmpath = os.path.join(globalvar.ETCWXDIR, "icons")
sys.path.append(gmpath)

class AbstractToolbar(object):
    """Abstract toolbar class"""
    def __init__():
        pass

    def InitToolbar(self, parent, toolbar, toolData):
        """Initialize toolbar, i.e. add tools to the toolbar

        @return list of ids (of added tools)
        """

        for tool in toolData:
            self.CreateTool(parent, toolbar, *tool)

        self._toolbar = toolbar
        
    def ToolbarData(self):
        """Toolbar data"""

        return None

    def CreateTool(self, parent, toolbar, tool, label, bitmap, kind,
                   shortHelp, longHelp, handler):
        """Add tool to the toolbar

        @return id of tool
        """

        bmpDisabled=wx.NullBitmap

        if label:
            toolWin = toolbar.AddLabelTool(tool, label, bitmap,
                                        bmpDisabled, kind,
                                        shortHelp, longHelp)
            parent.Bind(wx.EVT_TOOL, handler, toolWin)
        else: # add separator
            toolbar.AddSeparator()

        return tool

    def GetToolbar(self):
        """Get toolbar widget reference"""
        return self._toolbar
    
class MapToolbar(AbstractToolbar):
    """
    Main Map Display toolbar
    """

    def __init__(self, mapdisplay, map):
        self.mapcontent = map
        self.mapdisplay = mapdisplay

	self.toolbar = wx.ToolBar(parent=self.mapdisplay, id=wx.ID_ANY)
        self.toolbar.SetToolBitmapSize(globalvar.toolbarSize)

        self.InitToolbar(self.mapdisplay, self.toolbar, self.ToolbarData())
        
        # optional tools
        self.combo = wx.ComboBox(parent=self.toolbar, id=wx.ID_ANY, value='Tools',
                                 choices=['Digitize'], style=wx.CB_READONLY, size=(90, -1))

        self.comboid = self.toolbar.AddControl(self.combo)
        self.mapdisplay.Bind(wx.EVT_COMBOBOX, self.OnSelect, self.comboid)

        # realize the toolbar
        self.toolbar.Realize()
            
    def ToolbarData(self):
        """Toolbar data"""

        self.displaymap = wx.NewId()
        self.rendermap = wx.NewId()
        self.erase = wx.NewId()
        self.pointer = wx.NewId()
        self.query = wx.NewId()
        self.pan = wx.NewId()
        self.zoomin = wx.NewId()
        self.zoomout = wx.NewId()
        self.zoomback = wx.NewId()
        self.zoommenu = wx.NewId()
        self.analyze = wx.NewId()
        self.dec = wx.NewId()
        self.savefile = wx.NewId()
        self.printmap = wx.NewId()

        # tool, label, bitmap, kind, shortHelp, longHelp, handler
        return (
            (self.displaymap, "displaymap", Icons["displaymap"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["displaymap"].GetLabel(), Icons["displaymap"].GetDesc(),
             self.mapdisplay.OnDraw),
            (self.rendermap, "rendermap", Icons["rendermap"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["rendermap"].GetLabel(), Icons["rendermap"].GetDesc(),
             self.mapdisplay.OnRender),
            (self.erase, "erase", Icons["erase"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["erase"].GetLabel(), Icons["erase"].GetDesc(),
             self.mapdisplay.OnErase),
            ("", "", "", "", "", "", ""),
            (self.pointer, "pointer", Icons["pointer"].GetBitmap(),
             wx.ITEM_RADIO, Icons["pointer"].GetLabel(), Icons["pointer"].GetDesc(),
             self.mapdisplay.OnPointer),
            (self.query, "queryDisplay", Icons["queryDisplay"].GetBitmap(),
             wx.ITEM_RADIO, Icons["queryDisplay"].GetLabel(), Icons["queryDisplay"].GetDesc(),
             self.mapdisplay.OnQuery),
            (self.pan, "pan", Icons["pan"].GetBitmap(),
             wx.ITEM_RADIO, Icons["pan"].GetLabel(), Icons["pan"].GetDesc(),
             self.mapdisplay.OnPan),
            (self.zoomin, "zoom_in", Icons["zoom_in"].GetBitmap(),
             wx.ITEM_RADIO, Icons["zoom_in"].GetLabel(), Icons["zoom_in"].GetDesc(),
             self.mapdisplay.OnZoomIn),
            (self.zoomout, "zoom_out", Icons["zoom_out"].GetBitmap(),
             wx.ITEM_RADIO, Icons["zoom_out"].GetLabel(), Icons["zoom_out"].GetDesc(),
             self.mapdisplay.OnZoomOut),
            (self.zoomback, "zoom_back", Icons["zoom_back"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["zoom_back"].GetLabel(), Icons["zoom_back"].GetDesc(),
             self.mapdisplay.OnZoomBack),
            (self.zoommenu, "zoommenu", Icons["zoommenu"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["zoommenu"].GetLabel(), Icons["zoommenu"].GetDesc(),
             self.mapdisplay.OnZoomMenu),
            ("", "", "", "", "", "", ""),
            (self.analyze, "analyze", Icons["analyze"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["analyze"].GetLabel(), Icons["analyze"].GetDesc(),
             self.mapdisplay.OnAnalyze),
            ("", "", "", "", "", "", ""),
            (self.dec, "overlay", Icons["overlay"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["overlay"].GetLabel(), Icons["overlay"].GetDesc(),
             self.mapdisplay.OnDecoration),
            ("", "", "", "", "", "", ""),
            (self.savefile, "savefile", Icons["savefile"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["savefile"].GetLabel(), Icons["savefile"].GetDesc(),
             self.mapdisplay.SaveToFile),
            (self.printmap, "printmap", Icons["printmap"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["printmap"].GetLabel(), Icons["printmap"].GetDesc(),
             self.mapdisplay.PrintMenu),
            ("", "", "", "", "", "", "")
            )

    def OnSelect(self, event):
        """
        Select / enable tool available in tools list
        """
        tool =  event.GetString()

        if tool == "Digitize" and not self.mapdisplay.digittoolbar:
            self.mapdisplay.AddToolbar("digit")

class GRToolbar(AbstractToolbar):
    """
    Georectify Display toolbar
    """

    def __init__(self, mapdisplay, map):
        self.mapcontent = map
        self.mapdisplay = mapdisplay

        self.toolbar = wx.ToolBar(parent=self.mapdisplay, id=wx.ID_ANY)

        # self.SetToolBar(self.toolbar)
        self.toolbar.SetToolBitmapSize(globalvar.toolbarSize)

        self.InitToolbar(self.mapdisplay, self.toolbar, self.ToolbarData())

        # realize the toolbar
        self.toolbar.Realize()

    def ToolbarData(self):
        """Toolbar data"""

        self.displaymap = wx.NewId()
        self.rendermap = wx.NewId()
        self.erase = wx.NewId()
        self.gcpset = wx.NewId()
        self.pan = wx.NewId()
        self.zoomin = wx.NewId()
        self.zoomout = wx.NewId()
        self.zoomback = wx.NewId()
        self.zoommenu = wx.NewId()

        # tool, label, bitmap, kind, shortHelp, longHelp, handler
        return (
            (self.displaymap, "displaymap", Icons["displaymap"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["displaymap"].GetLabel(), Icons["displaymap"].GetDesc(),
             self.mapdisplay.OnDraw),
            (self.rendermap, "rendermap", Icons["rendermap"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["rendermap"].GetLabel(), Icons["rendermap"].GetDesc(),
             self.mapdisplay.OnRender),
            (self.erase, "erase", Icons["erase"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["erase"].GetLabel(), Icons["erase"].GetDesc(),
             self.mapdisplay.OnErase),
            ("", "", "", "", "", "", ""),
            (self.gcpset, "gcpset", Icons["gcpset"].GetBitmap(),
             wx.ITEM_RADIO, Icons["gcpset"].GetLabel(), Icons["gcpset"].GetDesc(),
             self.mapdisplay.OnPointer),
            (self.pan, "pan", Icons["pan"].GetBitmap(),
             wx.ITEM_RADIO, Icons["pan"].GetLabel(), Icons["pan"].GetDesc(),
             self.mapdisplay.OnPan),
            (self.zoomin, "zoom_in", Icons["zoom_in"].GetBitmap(),
             wx.ITEM_RADIO, Icons["zoom_in"].GetLabel(), Icons["zoom_in"].GetDesc(),
             self.mapdisplay.OnZoomIn),
            (self.zoomout, "zoom_out", Icons["zoom_out"].GetBitmap(),
             wx.ITEM_RADIO, Icons["zoom_out"].GetLabel(), Icons["zoom_out"].GetDesc(),
             self.mapdisplay.OnZoomOut),
            (self.zoomback, "zoom_back", Icons["zoom_back"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["zoom_back"].GetLabel(), Icons["zoom_back"].GetDesc(),
             self.mapdisplay.OnZoomBack),
            (self.zoommenu, "zoommenu", Icons["zoommenu"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["zoommenu"].GetLabel(), Icons["zoommenu"].GetDesc(),
             self.mapdisplay.OnZoomMenu),
            ("", "", "", "", "", "", "")
            )

    def OnSelect(self, event):
        """
        Select / enable tool available in tools list
        """
        tool =  event.GetString()

        if tool == "Digitize" and not self.mapdisplay.digittoolbar:
            self.mapdisplay.AddToolbar("digit")

class VDigitToolbar(AbstractToolbar):
    """
    Toolbar for digitization
    """

    def __init__(self, parent, map, layerTree=None):
        self.mapcontent    = map       # Map class instance
        self.parent        = parent    # MapFrame
        self.layerTree     = layerTree # reference to layer tree associated to map display

        # selected map to digitize
        self.layerSelectedID  = None
        self.layers     = []

        # default action (digitize new point, line, etc.)
        self.action     = "addLine"
        self.type       = "point"
        self.addString  = ""

        self.comboid    = None

        # only one dialog can be open
        self.settingsDialog   = None

        # create toolbars (two rows optionaly)
        self.toolbar = []
        self.numOfRows = 1 # number of rows for toolbar
        for row in range(0, self.numOfRows):
            self.toolbar.append(wx.ToolBar(parent=self.parent, id=wx.ID_ANY))
	    self.toolbar[row].SetToolBitmapSize(globalvar.toolbarSize)
            self.toolbar[row].Bind(wx.EVT_TOOL, self.OnTool)
            
            # create toolbar
            if self.numOfRows ==  1:
                rowdata=None
            else:
                rowdata = row
            self.InitToolbar(self.parent, self.toolbar[row], self.ToolbarData(rowdata))

        # list of available vector maps
        self.UpdateListOfLayers(updateTool=True)

        # realize toolbar
        for row in range(0, self.numOfRows):
            self.toolbar[row].Realize()

        # disable undo/redo
        self.toolbar[0].EnableTool(self.undo, False)
        
        # toogle to pointer by default
        self.OnTool(None)
        
    def ToolbarData(self, row=None):
        """
        Toolbar data
        """
        data = []
        if row is None or row == 0:
            self.addPoint = wx.NewId()
            self.addLine = wx.NewId()
            self.addBoundary = wx.NewId()
            self.addCentroid = wx.NewId()
            self.moveVertex = wx.NewId()
            self.addVertex = wx.NewId()
            self.removeVertex = wx.NewId()
            self.splitLine = wx.NewId()
            self.editLine = wx.NewId()
            self.moveLine = wx.NewId()
            self.deleteLine = wx.NewId()
            self.additionalTools = wx.NewId()
            self.displayCats = wx.NewId()
            self.displayAttr = wx.NewId()
            self.copyCats = wx.NewId()

            data = [("", "", "", "", "", "", ""),
                    (self.addPoint, "digAddPoint", Icons["digAddPoint"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digAddPoint"].GetLabel(), Icons["digAddPoint"].GetDesc(),
                     self.OnAddPoint),
                    (self.addLine, "digAddLine", Icons["digAddLine"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digAddLine"].GetLabel(), Icons["digAddLine"].GetDesc(),
                     self.OnAddLine),
                    (self.addBoundary, "digAddBoundary", Icons["digAddBoundary"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digAddBoundary"].GetLabel(), Icons["digAddBoundary"].GetDesc(),
                     self.OnAddBoundary),
                    (self.addCentroid, "digAddCentroid", Icons["digAddCentroid"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digAddCentroid"].GetLabel(), Icons["digAddCentroid"].GetDesc(),
                     self.OnAddCentroid),
                    (self.moveVertex, "digMoveVertex", Icons["digMoveVertex"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digMoveVertex"].GetLabel(), Icons["digMoveVertex"].GetDesc(),
                     self.OnMoveVertex),
                    (self.addVertex, "digAddVertex", Icons["digAddVertex"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digAddVertex"].GetLabel(), Icons["digAddVertex"].GetDesc(),
                     self.OnAddVertex),
                    (self.removeVertex, "digRemoveVertex", Icons["digRemoveVertex"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digRemoveVertex"].GetLabel(), Icons["digRemoveVertex"].GetDesc(),
                     self.OnRemoveVertex),
                    (self.splitLine, "digSplitLine", Icons["digSplitLine"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digSplitLine"].GetLabel(), Icons["digSplitLine"].GetDesc(),
                     self.OnSplitLine),
                    (self.editLine, "digEditLine", Icons["digEditLine"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digEditLine"].GetLabel(), Icons["digEditLine"].GetDesc(),
                     self.OnEditLine),
                    (self.moveLine, "digMoveLine", Icons["digMoveLine"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digMoveLine"].GetLabel(), Icons["digMoveLine"].GetDesc(),
                     self.OnMoveLine),
                    (self.deleteLine, "digDeleteLine", Icons["digDeleteLine"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digDeleteLine"].GetLabel(), Icons["digDeleteLine"].GetDesc(),
                     self.OnDeleteLine),
                    (self.displayCats, "digDispCats", Icons["digDispCats"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digDispCats"].GetLabel(), Icons["digDispCats"].GetDesc(),
                     self.OnDisplayCats),
                    (self.copyCats, "digCopyCats", Icons["digCopyCats"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digCopyCats"].GetLabel(), Icons["digCopyCats"].GetDesc(),
                     self.OnCopyCats),
                    (self.displayAttr, "digDispAttr", Icons["digDispAttr"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digDispAttr"].GetLabel(), Icons["digDispAttr"].GetDesc(),
                     self.OnDisplayAttr),
                    (self.additionalTools, "digAdditionalTools", Icons["digAdditionalTools"].GetBitmap(),
                     wx.ITEM_RADIO, Icons["digAdditionalTools"].GetLabel(),
                     Icons["digAdditionalTools"].GetDesc(),
                     self.OnAdditionalToolMenu)]

        if row is None or row == 1:
            self.undo = wx.NewId()
            self.settings = wx.NewId()
            self.exit = wx.NewId()

            data.append(("", "", "", "", "", "", ""))
            data.append((self.undo, "digUndo", Icons["digUndo"].GetBitmap(),
                         wx.ITEM_NORMAL, Icons["digUndo"].GetLabel(), Icons["digUndo"].GetDesc(),
                         self.OnUndo))
            # data.append((self.undo, "digRedo", Icons["digRedo"].GetBitmap(),
            #             wx.ITEM_NORMAL, Icons["digRedo"].GetLabel(), Icons["digRedo"].GetDesc(),
            #             self.OnRedo))
            data.append((self.settings, "digSettings", Icons["digSettings"].GetBitmap(),
                         wx.ITEM_NORMAL, Icons["digSettings"].GetLabel(), Icons["digSettings"].GetDesc(),
                         self.OnSettings))
            data.append((self.exit, "digExit", Icons["quit"].GetBitmap(),
                         wx.ITEM_NORMAL, Icons["digExit"].GetLabel(), Icons["digExit"].GetDesc(),
                         self.OnExit))

        return data

    def OnTool(self, event):
        """Tool selected -> toggle tool to pointer"""
        id = self.parent.maptoolbar.pointer
        self.parent.maptoolbar.toolbar.ToggleTool(id, True)
        self.parent.maptoolbar.mapdisplay.OnPointer(event)
        if event:
            event.Skip()
        
    def OnAddPoint(self, event):
        """Add point to the vector map Laier"""
        Debug.msg (2, "VDigitToolbar.OnAddPoint()")
        self.action = "addLine"
        self.type   = "point"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnAddLine(self, event):
        """Add line to the vector map layer"""
        Debug.msg (2, "VDigitToolbar.OnAddLine()")
        self.action = "addLine"
        self.type   = "line"
        self.parent.MapWindow.mouse['box'] = 'line'
        self.parent.MapWindow.polycoords = [] # reset temp line

    def OnAddBoundary(self, event):
        """Add boundary to the vector map layer"""
        Debug.msg (2, "VDigitToolbar.OnAddBoundary()")
        self.action = "addLine"
        self.type   = "boundary"
        self.parent.MapWindow.mouse['box'] = 'line'
        self.parent.MapWindow.polycoords = [] # reset temp line

    def OnAddCentroid(self, event):
        """Add centroid to the vector map layer"""
        Debug.msg (2, "VDigitToolbar.OnAddCentroid()")
        self.action = "addLine"
        self.type   = "centroid"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnExit (self, event=None):
        """Quit digitization tool"""
        # stop editing of the currently selected map layer
        try:
            self.StopEditing(self.layers[self.layerSelectedID])
        except:
            pass

        # close dialogs if still open
        if self.settingsDialog:
            self.settingsDialog.OnCancel(None)

        if self.parent.dialogs['category']:
            self.parent.dialogs['category'].OnCancel(None)

        if self.parent.dialogs['attributes']:
            self.parent.dialogs['attributes'].OnCancel(None)

        # disable the toolbar
        self.parent.RemoveToolbar ("digit")

    def OnMoveVertex(self, event):
        """Move line vertex"""
        Debug.msg(2, "Digittoolbar.OnMoveVertex():")
        self.action = "moveVertex"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnAddVertex(self, event):
        """Add line vertex"""
        Debug.msg(2, "Digittoolbar.OnAddVertex():")
        self.action = "addVertex"
        self.parent.MapWindow.mouse['box'] = 'point'


    def OnRemoveVertex(self, event):
        """Remove line vertex"""
        Debug.msg(2, "Digittoolbar.OnRemoveVertex():")
        self.action = "removeVertex"
        self.parent.MapWindow.mouse['box'] = 'point'


    def OnSplitLine(self, event):
        """Split line"""
        Debug.msg(2, "Digittoolbar.OnSplitLine():")
        self.action = "splitLine"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnEditLine(self, event):
        """Edit line"""
        Debug.msg(2, "Digittoolbar.OnEditLine():")
        self.action="editLine"
        self.parent.MapWindow.mouse['box'] = 'line'

    def OnMoveLine(self, event):
        """Move line"""
        Debug.msg(2, "Digittoolbar.OnMoveLine():")
        self.action = "moveLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnDeleteLine(self, event):
        """Delete line"""
        Debug.msg(2, "Digittoolbar.OnDeleteLine():")
        self.action = "deleteLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnDisplayCats(self, event):
        """Display/update categories"""
        Debug.msg(2, "Digittoolbar.OnDisplayCats():")
        self.action="displayCats"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnDisplayAttr(self, event):
        """Display/update attributes"""
        Debug.msg(2, "Digittoolbar.OnDisplayAttr():")
        self.action="displayAttrs"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnCopyCats(self, event):
        """Copy categories"""
        Debug.msg(2, "Digittoolbar.OnCopyCats():")
        self.action="copyCats"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnUndo(self, event):
        """Undo previous changes"""
        self.parent.digit.Undo()

        event.Skip()

    def EnableUndo(self, enable=True):
        """Enable 'Undo' in toolbar

        @param enable False for disable
        """
        if enable:
            if self.toolbar[0].GetToolEnabled(self.undo) is False:
                self.toolbar[0].EnableTool(self.undo, True)
        else:
            if self.toolbar[0].GetToolEnabled(self.undo) is True:
                self.toolbar[0].EnableTool(self.undo, False)
        
    def OnSettings(self, event):
        """Show settings dialog"""

        if self.parent.digit is None:
            reload(vdigit)
            from vdigit import Digit as Digit
            self.parent.digit = Digit(mapwindow=self.parent.MapWindow)
            
        if not self.settingsDialog:
            self.settingsDialog = VDigitSettingsDialog(parent=self.parent, title=_("Digitization settings"),
                                                       style=wx.DEFAULT_DIALOG_STYLE)
            self.settingsDialog.Show()

    def OnAdditionalToolMenu(self, event):
        """Menu for additional tools"""
        point = wx.GetMousePosition()
        toolMenu = wx.Menu()
        # Add items to the menu
        copy = wx.MenuItem(toolMenu, wx.ID_ANY, 'Copy features from (background) vector map')
        toolMenu.AppendItem(copy)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnCopy, copy)

        flip = wx.MenuItem(toolMenu, wx.ID_ANY, 'Flip selected lines')
        toolMenu.AppendItem(flip)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnFlip, flip)

        merge = wx.MenuItem(toolMenu, wx.ID_ANY, 'Merge selected lines')
        toolMenu.AppendItem(merge)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnMerge, merge)

        breakL = wx.MenuItem(toolMenu, wx.ID_ANY, 'Break selected lines at intersection')
        toolMenu.AppendItem(breakL)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnBreak, breakL)

        snap = wx.MenuItem(toolMenu, wx.ID_ANY, 'Snap selected lines (only to nodes)')
        toolMenu.AppendItem(snap)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnSnap, snap)

        connect = wx.MenuItem(toolMenu, wx.ID_ANY, 'Connect two selected lines')
        toolMenu.AppendItem(connect)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnConnect, connect)

        query = wx.MenuItem(toolMenu, wx.ID_ANY, 'Query tool')
        toolMenu.AppendItem(query)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnQuery, query)

        zbulk = wx.MenuItem(toolMenu, wx.ID_ANY, 'Z bulk-labeling of 3D lines')
        toolMenu.AppendItem(zbulk)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnZBulk, zbulk)

        typeconv = wx.MenuItem(toolMenu, wx.ID_ANY, 'Feature type conversion')
        toolMenu.AppendItem(typeconv)
        self.parent.MapWindow.Bind(wx.EVT_MENU, self.OnTypeConversion, typeconv)

        # Popup the menu.  If an item is selected then its handler
        # will be called before PopupMenu returns.
        self.parent.MapWindow.PopupMenu(toolMenu)
        toolMenu.Destroy()

    def OnCopy(self, event):
        """Copy selected features from (background) vector map"""
        Debug.msg(2, "Digittoolbar.OnCopy():")
        self.action="copyLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnFlip(self, event):
        """Flip selected lines/boundaries"""
        Debug.msg(2, "Digittoolbar.OnFlip():")
        self.action="flipLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnMerge(self, event):
        """Merge selected lines/boundaries"""
        Debug.msg(2, "Digittoolbar.OnMerge():")
        self.action="mergeLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnBreak(self, event):
        """Break selected lines/boundaries"""
        Debug.msg(2, "Digittoolbar.OnBreak():")
        self.action="breakLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnSnap(self, event):
        """Snap selected features"""
        Debug.msg(2, "Digittoolbar.OnSnap():")
        self.action="snapLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnConnect(self, event):
        """Connect selected lines/boundaries"""
        Debug.msg(2, "Digittoolbar.OnConnect():")
        self.action="connectLine"
        self.parent.MapWindow.mouse['box'] = 'point'

    def OnQuery(self, event):
        """Query selected lines/boundaries"""
        Debug.msg(2, "Digittoolbar.OnQuery(): %s" % \
                      UserSettings.Get(group='vdigit', key='query', subkey='type'))
        self.action="queryLine"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnZBulk(self, event):
        """Z bulk-labeling selected lines/boundaries"""
        Debug.msg(2, "Digittoolbar.OnZBulk():")
        self.action="zbulkLine"
        self.parent.MapWindow.mouse['box'] = 'line'

    def OnTypeConversion(self, event):
        """Feature type conversion

        Supported conversions:
         - point <-> centroid
         - line <-> boundary
        """
        Debug.msg(2, "Digittoolbar.OnTypeConversion():")
        self.action="typeConv"
        self.parent.MapWindow.mouse['box'] = 'box'

    def OnSelectMap (self, event):
        """
        Select vector map layer for editing

        If there is a vector map layer already edited, this action is
        firstly terminated. The map layer is closed. After this the
        selected map layer activated for editing.
        """
        if event.GetSelection() == 0: # create new vector map layer
            if self.layerSelectedID is not None:
                openVectorMap = self.layers[self.layerSelectedID].name.split('@')[0]
            else:
                openVectorMap = None
            mapName = gdialogs.CreateNewVector(self.parent,
                                               exceptMap=openVectorMap)
            if mapName:
                # add layer to map layer tree
                if self.layerTree:
                    self.layerTree.AddLayer(ltype='vector',
                                            lname=mapName,
                                            lchecked=True,
                                            lopacity=1.0,
                                            lcmd=['d.vect', 'map=%s' % mapName])
                    
                    vectLayers = self.UpdateListOfLayers(updateTool=True)
                    selection = vectLayers.index(mapName)
                else:
                    pass # TODO (no Layer Manager)
            else:
                self.combo.SetValue(_('Select vector map'))
                return 
        else:
            selection = event.GetSelection() - 1 # first option is 'New vector map'

        if self.layerSelectedID == selection:
            return False

        if self.layerSelectedID != None: # deactive map layer for editing
            self.StopEditing(self.layers[self.layerSelectedID])

        # select the given map layer for editing
        self.layerSelectedID = selection
        self.StartEditing(self.layers[self.layerSelectedID])

        event.Skip()

        return True
    def StartEditing (self, layerSelected):
        """
        Start editing of selected vector map layer.

        @param layerSelectedId id of layer to be edited
        
        @return True on success
        @return False on error
        """
        reload(vdigit)
        from vdigit import Digit as Digit
        self.parent.digit = Digit(mapwindow=self.parent.MapWindow)
        try:
            self.layerSelectedID = self.layers.index(layerSelected)
            mapLayer = self.layers[self.layerSelectedID]
        except:
            return False

        try:
            self.parent.digit.SetMapName(mapLayer.name)
        except gcmd.DigitError, e:
            self.layerSelectedID = None
            print >> sys.stderr, e # wxMessageBox
            return False

        # update toolbar
        self.combo.SetValue (layerSelected.name)
        self.parent.maptoolbar.combo.SetValue ('Digitize')
        # set initial category number for new features (layer=1), etc.

        Debug.msg (4, "VDigitToolbar.StartEditing(): layerSelectedID=%d layer=%s" % \
                   (self.layerSelectedID, mapLayer.name))


        # deactive layer
        self.mapcontent.ChangeLayerActive(mapLayer, False)

        # change cursor
        if self.parent.MapWindow.mouse['use'] == 'pointer':
            self.parent.MapWindow.SetCursor(self.parent.cursors["cross"])

        # create pseudoDC for drawing the map
        self.parent.MapWindow.pdcVector = wx.PseudoDC()
        self.parent.digit.driver.SetDevice(self.parent.MapWindow.pdcVector)
        # self.parent.MapWindow.UpdateMap()
        if not self.parent.MapWindow.resize:
            self.parent.MapWindow.UpdateMap(render=True)

        return True

    def StopEditing (self, layerSelected):
        """
        Stop editing of selected vector map layer.
        """

        if self.layers[self.layerSelectedID] == layerSelected:
            self.layerSelectedID = None
            Debug.msg (4, "VDigitToolbar.StopEditing(): layer=%s" % \
                       (layerSelected.name))
            self.combo.SetValue (_('Select vector map'))

            # save changes (only for vdigit)
            if UserSettings.Get(group='advanced', key='digitInterface', subkey='type') == 'vdigit':
                if UserSettings.Get(group='vdigit', key='saveOnExit', subkey='enabled') is False:
                    dlg = wx.MessageDialog(parent=self.parent, message=_("Do you want to save changes "
                                                                         "in vector map <%s>?") % layerSelected.name,
                                           caption=_("Save changes?"),
                                           style=wx.YES_NO | wx.YES_DEFAULT | wx.ICON_QUESTION)
                    if dlg.ShowModal() == wx.ID_NO:
                        # revert changes
                        self.parent.digit.Undo(0)
                    dlg.Destroy()

            self.parent.digit.SetMapName(None) # -> close map

            # re-active layer 
            item = self.parent.tree.FindItemByData('maplayer', layerSelected)
            if item and self.parent.tree.IsItemChecked(item):
                self.mapcontent.ChangeLayerActive(layerSelected, True)

            # change cursor
            self.parent.MapWindow.SetCursor(self.parent.cursors["default"])

            # disable pseudodc for vector map layer
            self.parent.MapWindow.pdcVector = None
            self.parent.digit.driver.SetDevice(None)

            self.parent.digit.__del__() # FIXME: destructor is not called here (del)
            self.parent.digit = None

            return True

        
        return False

    def UpdateListOfLayers (self, updateTool=False):
        """
        Update list of available vector map layers.
        This list consists only editable layers (in the current mapset)

        Optionaly also update toolbar
        """

        Debug.msg (4, "VDigitToolbar.UpdateListOfLayers(): updateTool=%d" % \
                   updateTool)

        layerNameSelected = None
        if self.layerSelectedID != None: # name of currently selected layer
            layerNameSelected = self.layers[self.layerSelectedID].name

        # select vector map layer in the current mapset
        layerNameList = []
        self.layers = self.mapcontent.GetListOfLayers(l_type="vector",
                                                      l_mapset=grassenv.GetGRASSVariable('MAPSET'))
        for layer in self.layers:
            if not layer.name in layerNameList: # do not duplicate layer
                layerNameList.append (layer.name)

        if updateTool: # update toolbar
            if self.layerSelectedID == None:
                value = _('Select vector map')
            else:
                value = layerNameSelected

            if not self.comboid:
                self.combo = wx.ComboBox(self.toolbar[self.numOfRows-1], id=wx.ID_ANY, value=value,
                                         choices=[_('New vector map'), ] + layerNameList, size=(105, -1),
                                         style=wx.CB_READONLY)
                self.comboid = self.toolbar[self.numOfRows-1].InsertControl(0, self.combo)
                self.parent.Bind(wx.EVT_COMBOBOX, self.OnSelectMap, self.comboid)
            else:
                self.combo.SetItems([_('New vector map'), ] + layerNameList)
            
            # update layer index
            try:
                self.layerSelectedID = layerNameList.index(value)
            except ValueError:
                self.layerSelectedID = None

            self.toolbar[self.numOfRows-1].Realize()

        return layerNameList

class ProfileToolbar(AbstractToolbar):
    """
    Toolbar for digitization
    """
    def __init__(self, parent, mapdisplay, map):
        self.parent     = parent
        self.mapcontent = map
        self.mapdisplay = mapdisplay

        self.toolbar = wx.ToolBar(parent=self.mapdisplay, id=wx.ID_ANY)

        # self.SetToolBar(self.toolbar)
        self.toolbar.SetToolBitmapSize(globalvar.toolbarSize)

        self.InitToolbar(self.mapdisplay, self.toolbar, self.ToolbarData())

        # realize the toolbar
        self.toolbar.Realize()

    def ToolbarData(self):
        """Toolbar data"""

        self.transect = wx.NewId()
        self.addraster = wx.NewId()
        self.draw = wx.NewId()
        self.options = wx.NewId()
        self.drag = wx.NewId()
        self.zoom = wx.NewId()
        self.unzoom = wx.NewId()
        self.erase = wx.NewId()
        self.save = wx.NewId()
        self.printer = wx.NewId()
        self.quit = wx.NewId()
                
        # tool, label, bitmap, kind, shortHelp, longHelp, handler
        return   (
            (self.transect, 'transect', Icons["transect"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["transect"].GetLabel(), Icons["transect"].GetDesc(),
             self.parent.OnDrawTransect),
            (self.addraster, 'raster', Icons["addrast"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["addrast"].GetLabel(), Icons["addrast"].GetDesc(),
             self.parent.OnSelectRaster),
            (self.draw, 'profiledraw', Icons["profiledraw"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["profiledraw"].GetLabel(), Icons["profiledraw"].GetDesc(),
             self.parent.OnCreateProfile),
            (self.options, 'options', Icons["profileopt"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["profileopt"].GetLabel(), Icons["profileopt"].GetDesc(),
             self.parent.ProfileOptionsMenu),
            (self.drag, 'drag', Icons['pan'].GetBitmap(),
             wx.ITEM_NORMAL, Icons["pan"].GetLabel(), Icons["pan"].GetDesc(),
             self.parent.OnDrag),
            (self.zoom, 'zoom', Icons['zoom_in'].GetBitmap(),
             wx.ITEM_NORMAL, Icons["zoom_in"].GetLabel(), Icons["zoom_in"].GetDesc(),
             self.parent.OnZoom),
            (self.unzoom, 'unzoom', Icons['zoom_back'].GetBitmap(),
             wx.ITEM_NORMAL, Icons["zoom_back"].GetLabel(), Icons["zoom_back"].GetDesc(),
             self.parent.OnRedraw),
            (self.erase, 'erase', Icons["erase"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["erase"].GetLabel(), Icons["erase"].GetDesc(),
             self.parent.OnErase),
            ("", "", "", "", "", "", ""),
            (self.save, 'save', Icons["savefile"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["savefile"].GetLabel(), Icons["savefile"].GetDesc(),
             self.parent.SaveToFile),
            (self.printer, 'print', Icons["printmap"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["printmap"].GetLabel(), Icons["printmap"].GetDesc(),
             self.parent.PrintMenu),
            (self.quit, 'quit', Icons["quit"].GetBitmap(),
             wx.ITEM_NORMAL, Icons["quit"].GetLabel(), Icons["quit"].GetDesc(),
             self.parent.OnQuit),
            )