Geografic-Information-System/gui/wxpython/modules/import_export.py

"""
@package modules.import_export

@brief Import/export dialogs used in wxGUI.

List of classes:
 - :class:`ImportDialog`
 - :class:`GdalImportDialog`
 - :class:`OgrImportDialog`
 - :class:`GdalOutputDialog`
 - :class:`DxfImportDialog`
 - :class:`ReprojectionDialog`

(C) 2008-2016 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.

@author Martin Landa <landa.martin gmail.com>
@author Anna Kratochvilova <kratochanna gmail.com> (GroupDialog, SymbolDialog)
"""

import os
import sys

import wx
from core import globalvar
if globalvar.wxPythonPhoenix:
    try:
        import agw.flatnotebook as FN
    except ImportError: # if it's not there locally, try the wxPython lib.
        import wx.lib.agw.flatnotebook as FN
else:
    import wx.lib.flatnotebook as FN
import wx.lib.filebrowsebutton as filebrowse

from grass.script import core as grass
from grass.script import task as gtask

from core.gcmd import GError, GMessage, GWarning, RunCommand
from gui_core.forms import CmdPanel
from gui_core.gselect import OgrTypeSelect, GdalSelect, SubGroupSelect
from gui_core.widgets import GListCtrl, GNotebook, LayersList, \
    LayersListValidator
from gui_core.wrap import Button, StaticText, StaticBox
from core.utils import GetValidLayerName
from core.settings import UserSettings, GetDisplayVectSettings


class ImportDialog(wx.Dialog):
    """Dialog for bulk import of various data (base class)"""

    def __init__(self, parent, giface, itype,
                 id=wx.ID_ANY, title=_("Multiple import"),
                 style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER):
        self.parent = parent    # GMFrame
        self._giface = giface  # used to add layers
        self.importType = itype
        self.options = dict()   # list of options
        self.options_par = dict()

        self.commandId = -1  # id of running command

        wx.Dialog.__init__(self, parent, id, title, style=style,
                           name="MultiImportDialog")

        self.panel = wx.Panel(parent=self, id=wx.ID_ANY)

        self.layerBox = StaticBox(parent=self.panel, id=wx.ID_ANY)
        if self.importType == 'gdal':
            label = _("List of raster layers")
        elif self.importType == 'ogr':
            label = _("List of vector layers")
        else:
            label = _("List of %s layers") % self.importType.upper()
        self.layerBox.SetLabel(" %s - %s " %
                               (label, _("right click to (un)select all")))

        # list of layers
        columns = [_('Layer id'),
                   _('Layer name'),
                   _('Name for output GRASS map (editable)')]
        if itype == 'ogr':
            columns.insert(2, _('Feature type'))
            columns.insert(3, _('Projection match'))
        elif itype == 'gdal':
            columns.insert(2, _('Projection match'))

        self.list = LayersList(parent=self.panel, columns=columns)
        self.list.LoadData()

        self.override = wx.CheckBox(
            parent=self.panel, id=wx.ID_ANY,
            label=_("Override projection check (use current location's projection)"))

        self.overwrite = wx.CheckBox(
            parent=self.panel, id=wx.ID_ANY,
            label=_("Allow output files to overwrite existing files"))
        self.overwrite.SetValue(
            UserSettings.Get(
                group='cmd',
                key='overwrite',
                subkey='enabled'))
        self.overwrite.Bind(wx.EVT_CHECKBOX, self.OnCheckOverwrite)

        self.add = wx.CheckBox(parent=self.panel, id=wx.ID_ANY)
        self.closeOnFinish = wx.CheckBox(parent=self.panel, id=wx.ID_ANY,
                                         label=_("Close dialog on finish"))
        self.closeOnFinish.SetValue(
            UserSettings.Get(
                group='cmd',
                key='closeDlg',
                subkey='enabled'))

        #
        # buttons
        #
        # cancel
        self.btn_close = Button(parent=self.panel, id=wx.ID_CLOSE)
        self.btn_close.SetToolTip(_("Close dialog"))
        self.btn_close.Bind(wx.EVT_BUTTON, self.OnClose)
        # run
        self.btn_run = Button(
            parent=self.panel,
            id=wx.ID_OK,
            label=_("&Import"))
        self.btn_run.SetToolTip(_("Import selected layers"))
        self.btn_run.SetDefault()
        self.btn_run.Bind(wx.EVT_BUTTON, self.OnRun)

        self.Bind(wx.EVT_CLOSE, lambda evt: self.Destroy())

        self.notebook = GNotebook(parent=self,
                                  style=globalvar.FNPageDStyle)

        self.notebook.AddPage(page=self.panel,
                              text=_('Source settings'),
                              name='source')

        self.createSettingsPage()

        # Enable copying to clipboard with cmd+c from dialog on macOS
        # (default key binding will close the dialog), trac #3592
        if sys.platform == "darwin":
            self.Bind(wx.EVT_MENU, self.OnCopyToClipboard, id=wx.ID_COPY)
            self.accel_tbl = wx.AcceleratorTable([(wx.ACCEL_CTRL, ord("C"), wx.ID_COPY)])
            self.SetAcceleratorTable(self.accel_tbl)

    def createSettingsPage(self):

        self._blackList = {
            'enabled': True,
            'items': {
                self._getCommand(): {
                    'params': self._getBlackListedParameters(),
                    'flags': self._getBlackListedFlags()}}}

        grass_task = gtask.parse_interface(self._getCommand(),
                                           blackList=self._blackList)

        self.advancedPagePanel = CmdPanel(
            parent=self, giface=None, task=grass_task, frame=None)

        self.notebook.AddPage(page=self.advancedPagePanel,
                              text=_('Import settings'),
                              name='settings')

    def doLayout(self):
        """Do layout"""
        dialogSizer = wx.BoxSizer(wx.VERTICAL)

        # dsn input
        dialogSizer.Add(self.dsnInput, proportion=0,
                        flag=wx.EXPAND)

        #
        # list of DXF layers
        #
        layerSizer = wx.StaticBoxSizer(self.layerBox, wx.HORIZONTAL)

        layerSizer.Add(self.list, proportion=1,
                       flag=wx.ALL | wx.EXPAND, border=5)

        dialogSizer.Add(
            layerSizer,
            proportion=1,
            flag=wx.LEFT | wx.RIGHT | wx.BOTTOM | wx.EXPAND,
            border=5)

        dialogSizer.Add(self.override, proportion=0,
                        flag=wx.LEFT | wx.RIGHT | wx.BOTTOM, border=5)

        dialogSizer.Add(self.overwrite, proportion=0,
                        flag=wx.LEFT | wx.RIGHT | wx.BOTTOM, border=5)

        dialogSizer.Add(self.add, proportion=0,
                        flag=wx.LEFT | wx.RIGHT | wx.BOTTOM, border=5)

        dialogSizer.Add(self.closeOnFinish, proportion=0,
                        flag=wx.LEFT | wx.RIGHT | wx.BOTTOM, border=5)
        #
        # buttons
        #
        btnsizer = wx.BoxSizer(orient=wx.HORIZONTAL)

        btnsizer.Add(self.btn_close, proportion=0,
                     flag=wx.LEFT | wx.RIGHT | wx.ALIGN_CENTER,
                     border=10)

        btnsizer.Add(self.btn_run, proportion=0,
                     flag=wx.RIGHT | wx.ALIGN_CENTER,
                     border=10)

        dialogSizer.Add(
            btnsizer,
            proportion=0,
            flag=wx.BOTTOM | wx.ALIGN_RIGHT,
            border=10)

        # dialogSizer.SetSizeHints(self.panel)
        self.panel.SetAutoLayout(True)
        self.panel.SetSizer(dialogSizer)
        dialogSizer.Fit(self.panel)

        # auto-layout seems not work here - FIXME
        size = wx.Size(globalvar.DIALOG_GSELECT_SIZE[0] + 322, 550)
        self.SetMinSize(size)
        self.SetSize((size.width, size.height + 100))
        # width = self.GetSize()[0]
        # self.list.SetColumnWidth(col = 1, width = width / 2 - 50)
        self.Layout()

    def _getCommand(self):
        """Get command"""
        raise NotImplementedError()

    def _getBlackListedParameters(self):
        """Get parameters which will not be showed in Settings page"""
        raise NotImplementedError()

    def _getBlackListedFlags(self):
        """Get flags which will not be showed in Settings page"""
        raise NotImplementedError()

    def _nameValidationFailed(self, layers_list):
        """Output map name validation callback

        :param layers_list: LayersList class instance
        """
        if isinstance(layers_list.output_map, list):
            maps = [
                '<{}>'.format(m) for m in layers_list.output_map]
            message = _(
                "Output map names %(names)s exist. "
            ) % {
                'names': ', '.join(maps)}
        else:
            message = _(
                "Output map name <%(name)s> exist. "
                ) % {
                'name': layers_list.output_map}
        GError(parent=self, message=message, caption=_("Invalid name"))

    def _validateOutputMapName(self):
        """Enable/disable output map name validation according the
        overwrite state"""
        if not self.overwrite.IsChecked() or \
           UserSettings.Get(group='cmd', key='overwrite',
                            subkey='enabled'):
            if not self.list.GetValidator().\
               Validate(win=self.list, validate_all=True):
                return False
        return True

    def OnClose(self, event=None):
        """Close dialog"""
        self.Close()

    def OnRun(self, event):
        """Import/Link data (each layes as separate vector map)"""
        pass

    def OnCheckOverwrite(self, event):
        """Check/uncheck overwrite checkbox widget"""
        if self.overwrite.IsChecked():
            self.list.validate = False
        else:
            self.list.validate = True

    def AddLayers(self, returncode, cmd=None, userData=None):
        """Add imported/linked layers into layer tree"""
        if not self.add.IsChecked() or returncode != 0:
            return

        # TODO: if importing map creates more map the folowing does not work
        # * do nothing if map does not exist or
        # * try to determine names using regexp or
        # * persuade import tools to report map names
        self.commandId += 1
        layer, output = self.list.GetLayers()[self.commandId][:2]

        if '@' not in output:
            name = output + '@' + grass.gisenv()['MAPSET']
        else:
            name = output

        # add imported layers into layer tree
        # an alternative would be emit signal (mapCreated) and (optionally)
        # connect to this signal
        llist = self._giface.GetLayerList()
        if self.importType == 'gdal':
            if userData:
                nBands = int(userData.get('nbands', 1))
            else:
                nBands = 1

            if UserSettings.Get(group='rasterLayer',
                                key='opaque', subkey='enabled'):
                nFlag = True
            else:
                nFlag = False

            for i in range(1, nBands + 1):
                nameOrig = name
                if nBands > 1:
                    mapName, mapsetName = name.split('@')
                    mapName += '.%d' % i
                    name = mapName + '@' + mapsetName

                cmd = ['d.rast',
                       'map=%s' % name]
                if nFlag:
                    cmd.append('-n')

                llist.AddLayer(ltype='raster',
                               name=name, checked=True,
                               cmd=cmd)
                name = nameOrig
        else:
            llist.AddLayer(ltype='vector',
                           name=name, checked=True,
                           cmd=['d.vect',
                                'map=%s' % name] + GetDisplayVectSettings())

        self._giface.GetMapWindow().ZoomToMap()

    def OnAbort(self, event):
        """Abort running import

        .. todo::
            not yet implemented
        """
        pass

    def OnCmdDone(self, event):
        """Do what has to be done after importing"""
        pass

    def OnCopyToClipboard(self, event):
        """Copy selected text in dialog to the clipboard"""
        try:
            wx.Window.FindFocus().Copy()
        except:
            pass

    def _getLayersToReprojetion(self, projMatch_idx, grassName_idx):
        """If there are layers with different projection from loation projection,
           show dialog to user to explicitly select layers which will be reprojected..."""
        differentProjLayers = []
        data = self.list.GetData(checked=True)

        for itm in data:

            layerId = itm[-1]

            # select only layers with different projetion
            if self.layersData[layerId][projMatch_idx] == 0:
                dt = [itm[0], itm[grassName_idx]]
                differentProjLayers.append(tuple(dt))

        layers = self.list.GetLayers()

        if not self.link and \
           differentProjLayers and \
           not self.override.IsChecked(): # '-o' not in self.getSettingsPageCmd():

            dlg = ReprojectionDialog(
                parent=self,
                giface=self._giface,
                data=differentProjLayers)

            ret = dlg.ShowModal()

            if ret == wx.ID_OK:

                # do not import unchecked layers
                for itm in reversed(list(dlg.GetData(checked=False))):
                    idx = itm[-1]
                    layers.pop(idx)
            else:
                return None

        return layers

    def getSettingsPageCmd(self):

        return self.advancedPagePanel.createCmd(
            ignoreErrors=True, ignoreRequired=True)


class GdalImportDialog(ImportDialog):

    def __init__(self, parent, giface, link=False):
        """Dialog for bulk import of various raster data

        .. todo::
            split importing logic from gui code

        :param parent: parent window
        :param link: True for linking data otherwise importing data
        """
        self._giface = giface
        self.link = link

        self.layersData = []

        ImportDialog.__init__(self, parent, giface=giface, itype='gdal')

        self.list.SetValidator(
            LayersListValidator(
                condition='raster',
                callback=self._nameValidationFailed))

        if link:
            self.SetTitle(_("Link external raster data"))
        else:
            self.SetTitle(_("Import raster data"))

        self.dsnInput = GdalSelect(parent=self, panel=self.panel,
                                   ogr=False, link=link)
        self.dsnInput.AttachSettings()
        self.dsnInput.reloadDataRequired.connect(self.reload)

        if link:
            self.add.SetLabel(_("Add linked layers into layer tree"))
        else:
            self.add.SetLabel(_("Add imported layers into layer tree"))

        self.add.SetValue(
            UserSettings.Get(
                group='cmd',
                key='addNewLayer',
                subkey='enabled'))

        if link:
            self.btn_run.SetLabel(_("&Link"))
            self.btn_run.SetToolTip(_("Link selected layers"))
        else:
            self.btn_run.SetLabel(_("&Import"))
            self.btn_run.SetToolTip(_("Import selected layers"))

        self.doLayout()

    def reload(self, data, listData):

        self.list.LoadData(listData)
        self.layersData = data

    def OnRun(self, event):
        """Import/Link data (each layes as separate vector map)"""
        self.commandId = -1
        data = self.list.GetLayers()

        data = self._getLayersToReprojetion(2, 3)

        if data is None:
            return

        if not data:
            GMessage(_("No layers selected. Operation canceled."),
                     parent=self)
            return

        if not self._validateOutputMapName():
            return

        dsn = self.dsnInput.GetDsn()
        ext = self.dsnInput.GetFormatExt()

        for layer, output, listId in data:
            userData = {}

            if self.dsnInput.GetType() == 'dir':
                idsn = os.path.join(dsn, layer)
            else:
                idsn = dsn

            # check number of bands
            nBandsStr = RunCommand('r.in.gdal',
                                   flags='p',
                                   input=idsn, read=True)
            nBands = -1
            if nBandsStr:
                try:
                    nBands = int(nBandsStr.rstrip('\n'))
                except:
                    pass
            if nBands < 0:
                GWarning(_("Unable to determine number of raster bands"),
                         parent=self)
                nBands = 1

            userData['nbands'] = nBands
            cmd = self.getSettingsPageCmd()
            cmd.append('input=%s' % idsn)
            cmd.append('output=%s' % output)

            if self.override.IsChecked():
                cmd.append('-o')

            if self.overwrite.IsChecked():
                cmd.append('--overwrite')

            if UserSettings.Get(group='cmd', key='overwrite',
                                subkey='enabled') and '--overwrite' not in cmd:
                cmd.append('--overwrite')

            # run in Layer Manager
            self._giface.RunCmd(
                cmd,
                onDone=self.OnCmdDone,
                userData=userData,
                addLayer=False)

    def OnCmdDone(self, event):
        """Load layers and close if required"""
        if not hasattr(self, 'AddLayers'):
            return

        self.AddLayers(event.returncode, event.cmd, event.userData)

        if event.returncode == 0 and self.closeOnFinish.IsChecked():
            self.Close()

    def _getCommand(self):
        """Get command"""
        if self.link:
            return 'r.external'
        else:
            return 'r.import'

    def _getBlackListedParameters(self):
        """Get flags which will not be showed in Settings page"""
        return ['input', 'output']

    def _getBlackListedFlags(self):
        """Get flags which will not be showed in Settings page"""
        return ['overwrite', 'o']


class OgrImportDialog(ImportDialog):

    def __init__(self, parent, giface, link=False):
        """Dialog for bulk import of various vector data

        .. todo::
            split importing logic from gui code

        :param parent: parent window
        :param link: True for linking data otherwise importing data
        """
        self._giface = giface
        self.link = link

        self.layersData = []

        ImportDialog.__init__(self, parent, giface=giface, itype='ogr')

        self.list.SetValidator(
            LayersListValidator(
                condition='vector',
                callback=self._nameValidationFailed))

        if link:
            self.SetTitle(_("Link external vector data"))
        else:
            self.SetTitle(_("Import vector data"))

        self.dsnInput = GdalSelect(parent=self, panel=self.panel,
                                   ogr=True, link=link)
        self.dsnInput.AttachSettings()
        self.dsnInput.reloadDataRequired.connect(self.reload)

        if link:
            self.add.SetLabel(_("Add linked layers into layer tree"))
        else:
            self.add.SetLabel(_("Add imported layers into layer tree"))

        self.add.SetValue(
            UserSettings.Get(
                group='cmd',
                key='addNewLayer',
                subkey='enabled'))

        if link:
            self.btn_run.SetLabel(_("&Link"))
            self.btn_run.SetToolTip(_("Link selected layers"))
        else:
            self.btn_run.SetLabel(_("&Import"))
            self.btn_run.SetToolTip(_("Import selected layers"))

        self.doLayout()

    def reload(self, data, listData):

        self.list.LoadData(listData)
        self.layersData = data

    def OnRun(self, event):
        """Import/Link data (each layes as separate vector map)"""
        self.commandId = -1
        data = self.list.GetLayers()

        data = self._getLayersToReprojetion(3, 4)

        if data is None:
            return

        if not data:
            GMessage(_("No layers selected. Operation canceled."),
                     parent=self)
            return

        if not self._validateOutputMapName():
            return

        dsn = self.dsnInput.GetDsn()
        ext = self.dsnInput.GetFormatExt()

        # determine data driver for PostGIS links
        self.popOGR = False
        if  self.dsnInput.GetType() == 'db' and \
                self.dsnInput.GetFormat() == 'PostgreSQL' and \
                'GRASS_VECTOR_OGR' not in os.environ:
            self.popOGR = True
            os.environ['GRASS_VECTOR_OGR'] = '1'

        for layer, output, listId in data:
            userData = {}

            if ext and layer.rfind(ext) > -1:
                layer = layer.replace('.' + ext, '')
            if '|' in layer:
                layer, geometry = layer.split('|', 1)
            else:
                geometry = None

                # TODO: v.import has no geometry option
                # if geometry:
                #    cmd.append('geometry=%s' % geometry)

            cmd = self.getSettingsPageCmd()
            cmd.append('input=%s' % dsn)
            cmd.append('layer=%s' % layer)
            cmd.append('output=%s' % output)

            if self.override.IsChecked():
                cmd.append('-o')

            if self.overwrite.IsChecked():
                cmd.append('--overwrite')

            # TODO options
            if UserSettings.Get(group='cmd', key='overwrite',
                                subkey='enabled') and '--overwrite' not in cmd:
                cmd.append('--overwrite')

            # run in Layer Manager
            self._giface.RunCmd(
                cmd,
                onDone=self.OnCmdDone,
                userData=userData,
                addLayer=False)

    def OnCmdDone(self, event):
        """Load layers and close if required"""
        if not hasattr(self, 'AddLayers'):
            return

        self.AddLayers(event.returncode, event.cmd, event.userData)

        if self.popOGR:
            os.environ.pop('GRASS_VECTOR_OGR')

        if event.returncode == 0 and self.closeOnFinish.IsChecked():
            self.Close()

    def _getCommand(self):
        """Get command"""
        if self.link:
            return 'v.external'
        else:
            return 'v.import'

    def _getBlackListedParameters(self):
        """Get parametrs which will not be showed in Settings page"""
        return ['input', 'output', 'layer']

    def _getBlackListedFlags(self):
        """Get flags which will not be showed in Settings page"""
        return ['overwrite', 'o', 'l', 'f']


class GdalOutputDialog(wx.Dialog):

    def __init__(self, parent, id=wx.ID_ANY, ogr=False,
                 style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER, *kwargs):
        """Dialog for setting output format for rasters/vectors

        .. todo::
            Split into GdalOutputDialog and OgrOutputDialog

        :param parent: parent window
        :param id: window id
        :param ogr: True for OGR (vector) otherwise GDAL (raster)
        :param style: window style
        :param *kwargs: other wx.Dialog's arguments
        """
        self.parent = parent  # GMFrame
        self.ogr = ogr
        wx.Dialog.__init__(self, parent, id=id, style=style, *kwargs)
        if self.ogr:
            self.SetTitle(_("Define output format for vector data"))
        else:
            self.SetTitle(_("Define output format for raster data"))

        self.panel = wx.Panel(parent=self, id=wx.ID_ANY)

        # buttons
        self.btnCancel = Button(parent=self.panel, id=wx.ID_CANCEL)
        self.btnCancel.SetToolTip(_("Close dialog"))
        self.btnOk = Button(parent=self.panel, id=wx.ID_OK)
        self.btnOk.SetToolTip(_("Set external format and close dialog"))
        self.btnOk.SetDefault()

        self.dsnInput = GdalSelect(parent=self, panel=self.panel,
                                   ogr=ogr,
                                   exclude=['file', 'protocol'], dest=True)
        self.dsnInput.AttachSettings()

        self.Bind(wx.EVT_BUTTON, self.OnCancel, self.btnCancel)
        self.Bind(wx.EVT_BUTTON, self.OnOK, self.btnOk)

        self._layout()

    def _layout(self):
        dialogSizer = wx.BoxSizer(wx.VERTICAL)

        dialogSizer.Add(self.dsnInput, proportion=1,
                        flag=wx.EXPAND)

        btnSizer = wx.BoxSizer(orient=wx.HORIZONTAL)
        btnSizer.Add(self.btnCancel, proportion=0,
                     flag=wx.LEFT | wx.RIGHT | wx.ALIGN_CENTER,
                     border=10)
        btnSizer.Add(self.btnOk, proportion=0,
                     flag=wx.RIGHT | wx.ALIGN_CENTER,
                     border=10)

        dialogSizer.Add(
            btnSizer,
            proportion=0,
            flag=wx.ALIGN_CENTER_VERTICAL | wx.BOTTOM | wx.TOP | wx.ALIGN_RIGHT,
            border=10)

        self.panel.SetAutoLayout(True)
        self.panel.SetSizer(dialogSizer)
        dialogSizer.Fit(self.panel)

        size = wx.Size(
            globalvar.DIALOG_GSELECT_SIZE[0] + 320,
            self.GetBestSize()[1] + 35)
        self.SetMinSize(size)
        self.SetSize((size.width, size.height))
        self.Layout()

    def OnCancel(self, event):
        self.Destroy()

    def OnOK(self, event):
        if self.dsnInput.GetType() == 'native':
            RunCommand('v.external.out',
                       parent=self,
                       flags='r')
        else:
            dsn = self.dsnInput.GetDsn()
            frmt = self.dsnInput.GetFormat()
            options = self.dsnInput.GetOptions()
            if not dsn:
                GMessage(_("No data source selected."), parent=self)
                return

            RunCommand('v.external.out',
                       parent=self,
                       output=dsn, format=frmt,
                       options=options)
        self.Close()


class DxfImportDialog(ImportDialog):
    """Dialog for bulk import of DXF layers"""

    def __init__(self, parent, giface):
        ImportDialog.__init__(self, parent, giface=giface, itype='dxf',
                              title=_("Import DXF layers"))

        self.list.SetValidator(
            LayersListValidator(
                condition='vector',
                callback=self._nameValidationFailed))

        self._giface = giface
        self.dsnInput = filebrowse.FileBrowseButton(
            parent=self.panel,
            id=wx.ID_ANY,
            size=globalvar.DIALOG_GSELECT_SIZE,
            labelText='',
            dialogTitle=_('Choose DXF file to import'),
            buttonText=_('Browse'),
            startDirectory=os.getcwd(),
            fileMode=0,
            changeCallback=self.OnSetDsn,
            fileMask="DXF File (*.dxf)|*.dxf")

        self.add.SetLabel(_("Add imported layers into layer tree"))

        self.add.SetValue(
            UserSettings.Get(
                group='cmd',
                key='addNewLayer',
                subkey='enabled'))

        self.doLayout()

    def OnRun(self, event):
        """Import/Link data (each layes as separate vector map)"""
        data = self.list.GetLayers()
        if not data:
            GMessage(_("No layers selected."), parent=self)
            return

        if not self._validateOutputMapName():
            return

        # hide dialog
        self.Hide()

        inputDxf = self.dsnInput.GetValue()

        for layer, output, itemId in data:

            cmd = self.getSettingsPageCmd()
            cmd.append('input=%s' % inputDxf)
            cmd.append('layer=%s' % layer)
            cmd.append('output=%s' % output)

            for key in self.options.keys():
                if self.options[key].IsChecked():
                    cmd.append('-%s' % key)

            if self.overwrite.IsChecked() or UserSettings.Get(
                    group='cmd', key='overwrite', subkey='enabled'):
                cmd.append('--overwrite')

            # run in Layer Manager
            self._giface.RunCmd(cmd, onDone=self.OnCmdDone, addLayer=False)

    def OnCmdDone(self, event):
        """Load layers and close if required"""
        if not hasattr(self, 'AddLayers'):
            return

        self.AddLayers(event.returncode, event.cmd)

        if self.closeOnFinish.IsChecked():
            self.Close()

    def OnSetDsn(self, event):
        """Input DXF file defined, update list of layer widget"""
        path = event.GetString()
        if not path:
            return

        data = list()
        ret = RunCommand('v.in.dxf',
                         quiet=True,
                         parent=self,
                         read=True,
                         flags='l',
                         input=path)
        if not ret:
            self.list.LoadData()
            return

        for line in ret.splitlines():
            layerId = line.split(':')[0].split(' ')[1]
            layerName = line.split(':')[1].strip()
            grassName = GetValidLayerName(layerName)
            data.append((layerId, layerName.strip(), grassName.strip()))

        self.list.LoadData(data)

    def _getCommand(self):
        """Get command"""
        return 'v.in.dxf'

    def _getBlackListedParameters(self):
        """Get parametrs which will not be showed in Settings page"""
        return ['input', 'output', 'layers']

    def _getBlackListedFlags(self):
        """Get flags which will not be showed in Settings page"""
        return ['overwrite']


class ReprojectionDialog(wx.Dialog):
    """ """

    def __init__(self, parent, giface, data,
                 id=wx.ID_ANY, title=_("Reprojection"),
                 style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER):
        self.parent = parent    # GMFrame
        self._giface = giface  # used to add layers

        wx.Dialog.__init__(self, parent, id, title, style=style,
                           name="MultiImportDialog")

        self.panel = wx.Panel(parent=self, id=wx.ID_ANY)

        # list of layers
        columns = [_('Layer id'),
                   _('Name for output GRASS map')]

        self.layerBox = StaticBox(parent=self.panel, id=wx.ID_ANY)
        self.layerSizer = wx.StaticBoxSizer(self.layerBox, wx.HORIZONTAL)

        self.list = GListCtrl(parent=self.panel)

        for i in range(len(columns)):
            self.list.InsertColumn(i, columns[i])

        width = (65, 180)

        for i in range(len(width)):
            self.list.SetColumnWidth(col=i, width=width[i])

        self.list.LoadData(data)

        self.labelText = StaticText(parent=self.panel, id=wx.ID_ANY, label=_(
            "Projection of following layers do not match with projection of current location. "))

        label = _("Layers to be reprojected")
        self.layerBox.SetLabel(" %s - %s " %
                               (label, _("right click to (un)select all")))

        #
        # buttons
        #
        # cancel
        self.btn_close = Button(parent=self.panel, id=wx.ID_CANCEL)

        # run
        self.btn_run = Button(
            parent=self.panel,
            id=wx.ID_OK,
            label=_("&Import && reproject"))
        self.btn_run.SetToolTip(_("Reproject selected layers"))
        self.btn_run.SetDefault()

        self.doLayout()

    def doLayout(self):
        """Do layout"""
        dialogSizer = wx.BoxSizer(wx.VERTICAL)

        dialogSizer.Add(self.labelText,
                        flag=wx.ALL | wx.EXPAND, border=5)

        self.layerSizer.Add(self.list, proportion=1,
                            flag=wx.ALL | wx.EXPAND, border=5)

        dialogSizer.Add(
            self.layerSizer,
            proportion=1,
            flag=wx.LEFT | wx.RIGHT | wx.BOTTOM | wx.EXPAND,
            border=5)

        #
        # buttons
        #
        btnsizer = wx.BoxSizer(orient=wx.HORIZONTAL)

        btnsizer.Add(self.btn_close, proportion=0,
                     flag=wx.LEFT | wx.RIGHT | wx.ALIGN_CENTER,
                     border=10)

        btnsizer.Add(self.btn_run, proportion=0,
                     flag=wx.RIGHT | wx.ALIGN_CENTER,
                     border=10)

        dialogSizer.Add(
            btnsizer,
            proportion=0,
            flag=wx.BOTTOM | wx.ALIGN_RIGHT,
            border=10)

        self.panel.SetSizer(dialogSizer)
        dialogSizer.Fit(self.panel)

        self.Layout()

    def GetData(self, checked):

        return self.list.GetData(checked)