/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 723 by bh, Thu Apr 24 15:31:53 2003 UTC revision 1233 by jonathan, Wed Jun 18 14:47:19 2003 UTC
# Line 2  Line 2 
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
5    # Frank Koormann <[email protected]>
6  #  #
7  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
8  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
# Line 16  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$ Line 17  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$
17  #__BuildDate__ = "$Date$"  #__BuildDate__ = "$Date$"
18    
19  import os  import os
20    import copy
21    
22  from wxPython.wx import *  from wxPython.wx import *
23    from wxPython.wx import __version__ as wxPython_version
24    
25  import Thuban  import Thuban
26    import Thuban.version
27    
28  from Thuban import _  from Thuban import _
29  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
30  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer, RasterLayer
31  from Thuban.Model.color import Color  
32  from Thuban.Model.proj import Projection  # XXX: replace this by
33    # from wxPython.lib.dialogs import wxMultipleChoiceDialog
34    # when Thuban does not support wxPython 2.4.0 any more.
35    from Thuban.UI.multiplechoicedialog import wxMultipleChoiceDialog
36    
37  import view  import view
38  import tree  import tree
 import proj4dialog  
39  import tableview, identifyview  import tableview, identifyview
40  from Thuban.UI.classifier import Classifier  from Thuban.UI.classifier import Classifier
41  import legend  import legend
# Line 39  from command import registry, Command, T Line 46  from command import registry, Command, T
46  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
47    
48  from Thuban.UI.dock import DockFrame  from Thuban.UI.dock import DockFrame
49    from Thuban.UI.join import JoinDialog
50    
51  import resource  import resource
52    import Thuban.Model.resource
53    
54  import projdialog  import projdialog
55    
   
   
56  class MainWindow(DockFrame):  class MainWindow(DockFrame):
57    
58      # Some messages that can be subscribed/unsubscribed directly through      # Some messages that can be subscribed/unsubscribed directly through
# Line 60  class MainWindow(DockFrame): Line 67  class MainWindow(DockFrame):
67      # implemented in the __getattr__ method.      # implemented in the __getattr__ method.
68      delegated_methods = {"SelectLayer": "canvas",      delegated_methods = {"SelectLayer": "canvas",
69                           "SelectShapes": "canvas",                           "SelectShapes": "canvas",
70                             "SelectedLayer": "canvas",
71                             "SelectedShapes": "canvas",
72                           }                           }
73    
74      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
# Line 98  class MainWindow(DockFrame): Line 107  class MainWindow(DockFrame):
107    
108          self.init_dialogs()          self.init_dialogs()
109    
110          EVT_CLOSE(self, self._OnClose)          self.ShowLegend()
111    
112            EVT_CLOSE(self, self.OnClose)
113    
114      def Subscribe(self, channel, *args):      def Subscribe(self, channel, *args):
115          """Subscribe a function to a message channel.          """Subscribe a function to a message channel.
# Line 357  class MainWindow(DockFrame): Line 368  class MainWindow(DockFrame):
368                  d.Close()                  d.Close()
369    
370      def NewSession(self):      def NewSession(self):
371          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
372          self.prepare_new_session()              self.prepare_new_session()
373          self.application.SetSession(create_empty_session())              self.application.SetSession(create_empty_session())
374    
375      def OpenSession(self):      def OpenSession(self):
376          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
377          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
378          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
379              self.prepare_new_session()                                 wxOPEN)
380              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
381          dlg.Destroy()                  self.prepare_new_session()
382                    self.application.OpenSession(dlg.GetPath())
383                dlg.Destroy()
384    
385      def SaveSession(self):      def SaveSession(self):
386          if self.application.session.filename == None:          if self.application.session.filename == None:
# Line 377  class MainWindow(DockFrame): Line 390  class MainWindow(DockFrame):
390    
391      def SaveSessionAs(self):      def SaveSessionAs(self):
392          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
393                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
394                               wxSAVE|wxOVERWRITE_PROMPT)
395          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
396              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
397              self.application.SaveSession()              self.application.SaveSession()
# Line 386  class MainWindow(DockFrame): Line 400  class MainWindow(DockFrame):
400      def Exit(self):      def Exit(self):
401          self.Close(False)          self.Close(False)
402    
403      def _OnClose(self, event):      def OnClose(self, event):
404          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
405          if result == wxID_CANCEL:          if result == wxID_CANCEL:
406              event.Veto()              event.Veto()
# Line 395  class MainWindow(DockFrame): Line 409  class MainWindow(DockFrame):
409              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
410              # yet.              # yet.
411              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
412              DockFrame._OnClose(self, event)              DockFrame.OnClose(self, event)
413                for dlg in self.dialogs.values():
414                    dlg.Destroy()
415                self.canvas.Destroy()
416              self.Destroy()              self.Destroy()
417    
418      def SetMap(self, map):      def SetMap(self, map):
419          self.canvas.SetMap(map)          self.canvas.SetMap(map)
420          self.__SetTitle(map.Title())          self.__SetTitle(map.Title())
421          #self.legendPanel.SetMap(map)  
422            dialog = self.FindRegisteredDock("legend")
423            if dialog is not None:
424                dialog.GetPanel().SetMap(self.Map())
425    
426      def Map(self):      def Map(self):
427          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
428    
         # sanity check  
         #assert(self.canvas.Map() is self.legendPanel.GetMap())  
   
429          return self.canvas.Map()          return self.canvas.Map()
430    
431      def ToggleSessionTree(self):      def ToggleSessionTree(self):
# Line 428  class MainWindow(DockFrame): Line 445  class MainWindow(DockFrame):
445    
446      def About(self):      def About(self):
447          self.RunMessageBox(_("About"),          self.RunMessageBox(_("About"),
448                             _("Thuban v%s\n"                             _("Thuban %s\n"
449                              #"Build Date: %s\n"                              #"Build Date: %s\n"
450                              "\n"                              "using:\n"
451                                "  %s\n"
452                                "  %s\n\n"
453                              "Thuban is a program for\n"                              "Thuban is a program for\n"
454                              "exploring geographic data.\n"                              "exploring geographic data.\n"
455                              "Copyright (C) 2001-2003 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
456                              "Thuban is licensed under the GNU GPL"                              "Thuban is licensed under the GNU GPL"
457                             % __ThubanVersion__), #__BuildDate__)),                              % (Thuban.version.longversion,
458                                   "wxPython %s" % wxPython_version,
459                                   "Python %d.%d.%d" % sys.version_info[:3]
460                                  )),
461    #                           % __ThubanVersion__), #__BuildDate__)),
462                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
463    
464      def AddLayer(self):      def AddLayer(self):
# Line 444  class MainWindow(DockFrame): Line 467  class MainWindow(DockFrame):
467          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
468              filename = dlg.GetPath()              filename = dlg.GetPath()
469              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
             store = self.application.Session().OpenShapefile(filename)  
             layer = Layer(title, store)  
470              map = self.canvas.Map()              map = self.canvas.Map()
471              has_layers = map.HasLayers()              has_layers = map.HasLayers()
472              try:              try:
473                  map.AddLayer(layer)                  store = self.application.Session().OpenShapefile(filename)
474              except IOError:              except IOError:
475                  # the layer couldn't be opened                  # the layer couldn't be opened
476                  self.RunMessageBox(_("Add Layer"),                  self.RunMessageBox(_("Add Layer"),
477                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
478              else:              else:
479                    layer = Layer(title, store)
480                    map.AddLayer(layer)
481                    if not has_layers:
482                        # if we're adding a layer to an empty map, fit the
483                        # new map to the window
484                        self.canvas.FitMapToWindow()
485            dlg.Destroy()
486    
487        def AddRasterLayer(self):
488            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
489                               wxOPEN)
490            if dlg.ShowModal() == wxID_OK:
491                filename = dlg.GetPath()
492                title = os.path.splitext(os.path.basename(filename))[0]
493                map = self.canvas.Map()
494                has_layers = map.HasLayers()
495                try:
496                    layer = RasterLayer(title, filename)
497                except IOError:
498                    # the layer couldn't be opened
499                    self.RunMessageBox(_("Add Image Layer"),
500                                       _("Can't open the file '%s'.") % filename)
501                else:
502                    map.AddLayer(layer)
503                  if not has_layers:                  if not has_layers:
504                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
505                      # new map to the window                      # new map to the window
# Line 500  class MainWindow(DockFrame): Line 545  class MainWindow(DockFrame):
545          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
546          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
547    
548      def choose_color(self):      def has_selected_shapes(self):
549          """Run the color selection dialog and return the selected color.          """Return true if a shape is currently selected"""
550            return self.canvas.HasSelectedShapes()
         If the user cancels, return None.  
         """  
         dlg = wxColourDialog(self)  
         color = None  
         if dlg.ShowModal() == wxID_OK:  
             data = dlg.GetColourData()  
             wxc = data.GetColour()  
             color = Color(wxc.Red() / 255.0,  
                           wxc.Green() / 255.0,  
                           wxc.Blue() / 255.0)  
         dlg.Destroy()  
         return color  
551    
552      def HideLayer(self):      def HideLayer(self):
553          layer = self.current_layer()          layer = self.current_layer()
554          if layer is not None:          if layer is not None:
555              layer.SetVisible(0)              layer.SetVisible(0)
556            
557      def ShowLayer(self):      def ShowLayer(self):
558          layer = self.current_layer()          layer = self.current_layer()
559          if layer is not None:          if layer is not None:
560              layer.SetVisible(1)              layer.SetVisible(1)
561    
562        def DuplicateLayer(self):
563            """Ceate a new layer above the selected layer with the same shapestore
564            """
565            layer = self.current_layer()
566            if layer is not None and hasattr(layer, "ShapeStore"):
567                new_layer = Layer(_("Copy of `%s'") % layer.Title(),
568                                  layer.ShapeStore(),
569                                  projection = layer.GetProjection())
570                new_classification = copy.deepcopy(layer.GetClassification())
571                new_layer.SetClassification(new_classification)
572                self.Map().AddLayer(new_layer)
573    
574        def CanDuplicateLayer(self):
575            """Return whether the DuplicateLayer method can create a duplicate"""
576            layer = self.current_layer()
577            return layer is not None and hasattr(layer, "ShapeStore")
578    
579      def LayerShowTable(self):      def LayerShowTable(self):
580          layer = self.current_layer()          layer = self.current_layer()
581          if layer is not None:          if layer is not None:
582              table = layer.table              table = layer.ShapeStore().Table()
583              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
584              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
585              if dialog is None:              if dialog is None:
586                  dialog = tableview.LayerTableFrame(self, name,                  dialog = tableview.LayerTableFrame(self, name,
587                                                 _("Table: %s") % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
588                                                     layer, table)                                           layer, table)
589                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
590                  dialog.Show(true)                  dialog.Show(True)
591              else:              else:
592                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
593                  pass                  pass
594    
595      def Projection(self):      def MapProjection(self):
596    
597          name = "projection"          name = "map_projection"
598          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
599    
600          if dialog is None:          if dialog is None:
601              map = self.canvas.Map()              map = self.canvas.Map()
602              dialog = projdialog.ProjFrame(self, name, map)              dialog = projdialog.ProjFrame(self, name,
603                         _("Map Projection: %s") % map.Title(), map)
604                self.add_dialog(name, dialog)
605                dialog.Show()
606            dialog.Raise()
607    
608        def LayerProjection(self):
609    
610            layer = self.current_layer()
611    
612            name = "layer_projection" + str(id(layer))
613            dialog = self.get_open_dialog(name)
614    
615            if dialog is None:
616                map = self.canvas.Map()
617                dialog = projdialog.ProjFrame(self, name,
618                         _("Layer Projection: %s") % layer.Title(), layer)
619              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
620              dialog.Show()              dialog.Show()
621          dialog.Raise()          dialog.Raise()
# Line 570  class MainWindow(DockFrame): Line 636  class MainWindow(DockFrame):
636          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
637    
638          if dialog is None:          if dialog is None:
639              dialog = Classifier(self, name, layer, group)              dialog = Classifier(self, name, self.Map(), layer, group)
640              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
641              dialog.Show()              dialog.Show()
642          dialog.Raise()          dialog.Raise()
643    
644        def LayerJoinTable(self):
645            layer = self.canvas.SelectedLayer()
646            if layer is not None:
647                dlg = JoinDialog(self, _("Join Layer with Table"),
648                                 self.application.session,
649                                 layer = layer)
650                dlg.ShowModal()
651    
652        def LayerUnjoinTable(self):
653            layer = self.canvas.SelectedLayer()
654            if layer is not None:
655                orig_store = layer.ShapeStore().OrigShapeStore()
656                if orig_store:
657                    layer.SetShapeStore(orig_store)
658    
659      def ShowLegend(self):      def ShowLegend(self):
660          if not self.LegendShown():          if not self.LegendShown():
# Line 594  class MainWindow(DockFrame): Line 674  class MainWindow(DockFrame):
674          else:          else:
675              dialog.Show(not dialog.IsShown())              dialog.Show(not dialog.IsShown())
676    
677            self.canvas.FitMapToWindow()
678    
679      def LegendShown(self):      def LegendShown(self):
680          """Return true iff the legend is currently open"""          """Return true iff the legend is currently open"""
681          dialog = self.FindRegisteredDock("legend")          dialog = self.FindRegisteredDock("legend")
682          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
683    
684        def TableOpen(self):
685            dlg = wxFileDialog(self, _("Open Table"), ".", "",
686                               _("DBF Files (*.dbf)") + "|*.dbf|" +
687                               #_("CSV Files (*.csv)") + "|*.csv|" +
688                               _("All Files (*.*)") + "|*.*",
689                               wxOPEN)
690            if dlg.ShowModal() == wxID_OK:
691                filename = dlg.GetPath()
692                dlg.Destroy()
693                try:
694                    table = self.application.session.OpenTableFile(filename)
695                except IOError:
696                    # the layer couldn't be opened
697                    self.RunMessageBox(_("Open Table"),
698                                       _("Can't open the file '%s'.") % filename)
699                else:
700                    self.ShowTableView(table)
701    
702        def TableClose(self):
703            tables = self.application.session.UnreferencedTables()
704    
705            lst = [(t.Title(), t) for t in tables]
706            lst.sort()
707            titles = [i[0] for i in lst]
708            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
709                                         _("Close Table"), titles,
710                                         size = (400, 300),
711                                         style = wxDEFAULT_DIALOG_STYLE |
712                                                 wxRESIZE_BORDER)
713            if dlg.ShowModal() == wxID_OK:
714                for i in dlg.GetValue():
715                    self.application.session.RemoveTable(lst[i][1])
716    
717    
718        def TableShow(self):
719            """Offer a multi-selection dialog for tables to be displayed
720    
721            The windows for the selected tables are opened or brought to
722            the front.
723            """
724            tables = self.application.session.Tables()
725    
726            lst = [(t.Title(), t) for t in tables]
727            lst.sort()
728            titles = [i[0] for i in lst]
729            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
730                                         _("Show Table"), titles,
731                                         size = (400,300),
732                                         style = wxDEFAULT_DIALOG_STYLE |
733                                                 wxRESIZE_BORDER)
734            if (dlg.ShowModal() == wxID_OK):
735                for i in dlg.GetValue():
736                    # XXX: if the table belongs to a layer, open a
737                    # LayerTableFrame instead of QueryTableFrame
738                    self.ShowTableView(lst[i][1])
739    
740        def TableJoin(self):
741            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
742            dlg.ShowModal()
743    
744        def ShowTableView(self, table):
745            """Open a table view for the table and optionally"""
746            name = "table_view%d" % id(table)
747            dialog = self.get_open_dialog(name)
748            if dialog is None:
749                dialog = tableview.QueryTableFrame(self, name,
750                                                   _("Table: %s") % table.Title(),
751                                                   table)
752                self.add_dialog(name, dialog)
753                dialog.Show(True)
754            # FIXME: else bring dialog to front
755    
756        def TableRename(self):
757            """Let the user rename a table"""
758    
759            # First, let the user select a table
760            tables = self.application.session.Tables()
761            lst = [(t.Title(), t) for t in tables]
762            lst.sort()
763            titles = [i[0] for i in lst]
764            dlg = wxMultipleChoiceDialog(self, _("Pick the table to rename:"),
765                                         _("Rename Table"), titles,
766                                         size = (400,300),
767                                         style = wxDEFAULT_DIALOG_STYLE |
768                                                 wxRESIZE_BORDER)
769            if (dlg.ShowModal() == wxID_OK):
770                to_rename = [lst[i][1] for i in dlg.GetValue()]
771                dlg.Destroy()
772            else:
773                to_rename = []
774    
775            # Second, let the user rename the layers
776            for table in to_rename:
777                dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",
778                                        table.Title())
779                try:
780                    if dlg.ShowModal() == wxID_OK:
781                        title = dlg.GetValue()
782                        if title != "":
783                            table.SetTitle(title)
784    
785                            # Make sure the session is marked as modified.
786                            # FIXME: This should be handled automatically,
787                            # but that requires more changes to the tables
788                            # than I have time for currently.
789                            self.application.session.changed()
790                finally:
791                    dlg.Destroy()
792    
793    
794      def ZoomInTool(self):      def ZoomInTool(self):
795          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
796    
# Line 618  class MainWindow(DockFrame): Line 810  class MainWindow(DockFrame):
810      def FullExtent(self):      def FullExtent(self):
811          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
812    
813        def FullLayerExtent(self):
814            self.canvas.FitLayerToWindow(self.current_layer())
815    
816        def FullSelectionExtent(self):
817            self.canvas.FitSelectedToWindow()
818    
819        def ExportMap(self):
820            self.canvas.Export()
821    
822      def PrintMap(self):      def PrintMap(self):
823          self.canvas.Print()          self.canvas.Print()
824    
# Line 632  class MainWindow(DockFrame): Line 833  class MainWindow(DockFrame):
833    
834          dlg.Destroy()          dlg.Destroy()
835    
836        def RenameLayer(self):
837            """Let the user rename the currently selected layer"""
838            layer = self.current_layer()
839            if layer is not None:
840                dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",
841                                        layer.Title())
842                try:
843                    if dlg.ShowModal() == wxID_OK:
844                        title = dlg.GetValue()
845                        if title != "":
846                            layer.SetTitle(title)
847                finally:
848                    dlg.Destroy()
849    
850      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
851            """Subscribed to the canvas' SHAPES_SELECTED message
852    
853            If the current tool is the identify tool, at least one shape is
854            selected and the identify dialog is not shown, show the dialog.
855            """
856            # If the selection has become empty we don't need to do
857            # anything. Otherwise it could happen that the dialog was popped
858            # up when the selection became empty, e.g. when a new selection
859            # is opened while the identify tool is active and dialog had
860            # been closed
861            if not shapes:
862                return
863    
864          name = "identify_view"          name = "identify_view"
865          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
866              if not self.dialog_open(name):              if not self.dialog_open(name):
# Line 686  def _has_selected_layer(context): Line 914  def _has_selected_layer(context):
914      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
915      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
916    
917    def _has_selected_shapes(context):
918        """Return true if a layer is selected in the context"""
919        return context.mainwindow.has_selected_shapes()
920    
921  def _can_remove_layer(context):  def _can_remove_layer(context):
922      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
923    
# Line 708  def _has_legend_shown(context): Line 940  def _has_legend_shown(context):
940      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
941      return context.mainwindow.LegendShown()      return context.mainwindow.LegendShown()
942    
943    def _has_gdal_support(context):
944        """Return True if the GDAL is available"""
945        return Thuban.Model.resource.has_gdal_support()
946    
947  # File menu  # File menu
948  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession",
949  _method_command("open_session", _("&Open Session"), "OpenSession")                  helptext = _("Start a new session"))
950  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("open_session", _("&Open Session..."), "OpenSession",
951  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")                  helptext = _("Open a session file"))
952    _method_command("save_session", _("&Save Session"), "SaveSession",
953                    helptext =_("Save this session to the file it was opened from"))
954    _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs",
955                    helptext = _("Save this session to a new file"))
956  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
957                  checked = _has_tree_window_shown)                  checked = _has_tree_window_shown,
958                    helptext = _("Toggle on/off the session tree analysis window"))
959  _method_command("toggle_legend", _("Legend"), "ToggleLegend",  _method_command("toggle_legend", _("Legend"), "ToggleLegend",
960                  checked = _has_legend_shown)                  checked = _has_legend_shown,
961  _method_command("exit", _("E&xit"), "Exit")                  helptext = _("Toggle Legend on/off"))
962    _method_command("exit", _("E&xit"), "Exit",
963                    helptext = _("Finish working with Thuban"))
964    
965  # Help menu  # Help menu
966  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About",
967                    helptext = _("Info about Thuban authors, version and modules"))
968    
969    
970  # Map menu  # Map menu
971  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection",
972                    helptext = _("Set or change the map projection"))
973    
974  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
975                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 744  _tool_command("map_label_tool", _("&Labe Line 988  _tool_command("map_label_tool", _("&Labe
988                helptext = _("Add/Remove labels"), icon = "label",                helptext = _("Add/Remove labels"), icon = "label",
989                sensitive = _has_visible_map)                sensitive = _has_visible_map)
990  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
991                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Zoom to the full map extent"), icon = "fullextent",
992                sensitive = _has_visible_map)                sensitive = _has_visible_map)
993    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
994                    helptext = _("Zoom to the full layer extent"),
995                    icon = "fulllayerextent", sensitive = _has_selected_layer)
996    _method_command("selected_full_extent", _("&Full selection extent"),
997                    "FullSelectionExtent",
998                    helptext = _("Zoom to the full selection extent"),
999                    icon = "fullselextent", sensitive = _has_selected_shapes)
1000    _method_command("map_export", _("E&xport"), "ExportMap",
1001                    helptext = _("Export the map to file"))
1002  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
1003                  helptext = _("Print the map"))                  helptext = _("Print the map"))
1004  _method_command("map_rename", _("&Rename"), "RenameMap",  _method_command("map_rename", _("&Rename..."), "RenameMap",
1005                  helptext = _("Rename the map"))                  helptext = _("Rename the map"))
1006    _method_command("layer_add", _("&Add Layer..."), "AddLayer",
1007  # Layer menu                  helptext = _("Add a new layer to the map"))
1008  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
1009                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new image layer to the map"),
1010                    sensitive = _has_gdal_support)
1011  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
1012                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer"),
1013                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
1014    
1015    # Layer menu
1016    _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
1017                    sensitive = _has_selected_layer,
1018                    helptext = _("Specify projection for selected layer"))
1019    _method_command("layer_duplicate", _("&Duplicate"), "DuplicateLayer",
1020                    helptext = _("Duplicate selected layer"),
1021              sensitive = lambda context: context.mainwindow.CanDuplicateLayer())
1022    _method_command("layer_rename", _("Re&name ..."), "RenameLayer",
1023                    helptext = _("Rename selected layer"),
1024                    sensitive = _has_selected_layer)
1025  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
1026                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer"),
1027                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1028  _method_command("layer_lower", _("&Lower"), "LowerLayer",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
1029                  helptext = _("Lower selected layer(s)"),                  helptext = _("Lower selected layer"),
1030                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1031  _method_command("layer_show", _("&Show"), "ShowLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
1032                  helptext = _("Make selected layer(s) visible"),                  helptext = _("Make selected layer visible"),
1033                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1034  _method_command("layer_hide", _("&Hide"), "HideLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
1035                  helptext = _("Make selected layer(s) unvisible"),                  helptext = _("Make selected layer unvisible"),
1036                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1037  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1038                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1039                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1040  _method_command("layer_properties", _("Properties"), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1041                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer,
1042                    helptext = _("Edit the properties of the selected layer"))
1043    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1044                    sensitive = _has_selected_layer,
1045                    helptext = _("Join and attach a table to the selected layer"))
1046    
1047  # the menu structure  def _can_unjoin(context):
1048  main_menu = Menu("<main>", "<main>",      """Return whether the Layer/Unjoin command can be executed.
1049                   [Menu("file", _("&File"),  
1050                         ["new_session", "open_session", None,      This is the case if a layer is selected and that layer has a
1051                          "save_session", "save_session_as", None,      shapestore that has an original shapestore.
1052                          "toggle_session_tree", None,      """
1053                          "exit"]),      layer = context.mainwindow.SelectedLayer()
1054                    Menu("map", _("&Map"),      if layer is None:
1055                         ["layer_add", "layer_remove",          return 0
1056        getstore = getattr(layer, "ShapeStore", None)
1057        if getstore is not None:
1058            return getstore().OrigShapeStore() is not None
1059        else:
1060            return 0
1061    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
1062                    sensitive = _can_unjoin,
1063                    helptext = _("Undo the last join operation"))
1064    
1065    
1066    def _has_tables(context):
1067        return bool(context.session.Tables())
1068    
1069    # Table menu
1070    _method_command("table_open", _("&Open..."), "TableOpen",
1071                    helptext = _("Open a DBF-table from a file"))
1072    _method_command("table_close", _("&Close..."), "TableClose",
1073           sensitive = lambda context: bool(context.session.UnreferencedTables()),
1074                    helptext = _("Close one or more tables from a list"))
1075    _method_command("table_rename", _("&Rename..."), "TableRename",
1076                    sensitive = _has_tables,
1077                    helptext = _("Rename one or more tables"))
1078    _method_command("table_show", _("&Show..."), "TableShow",
1079                    sensitive = _has_tables,
1080                    helptext = _("Show one or more tables in a dialog"))
1081    _method_command("table_join", _("&Join..."), "TableJoin",
1082                    sensitive = _has_tables,
1083                    helptext = _("Join two tables creating a new one"))
1084    
1085    #  Export only under Windows ...
1086    map_menu = ["layer_add", "rasterlayer_add", "layer_remove",
1087                          None,                          None,
1088                            "map_rename",
1089                          "map_projection",                          "map_projection",
1090                          None,                          None,
1091                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
1092                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
1093                            "map_full_extent",
1094                            "layer_full_extent",
1095                            "selected_full_extent",
1096                          None,                          None,
1097                          "map_full_extent",                          "map_identify_tool", "map_label_tool",
1098                          None,                          None,
1099                          "toggle_legend",                          "toggle_legend",
1100                          None,                          None]
1101                          "map_print",  if wxPlatform == '__WXMSW__':
1102                          None,      map_menu.append("map_export")
1103                          "map_rename"]),  map_menu.append("map_print")
1104    
1105    # the menu structure
1106    main_menu = Menu("<main>", "<main>",
1107                     [Menu("file", _("&File"),
1108                           ["new_session", "open_session", None,
1109                            "save_session", "save_session_as", None,
1110                            "toggle_session_tree", None,
1111                            "exit"]),
1112                      Menu("map", _("&Map"), map_menu),
1113                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
1114                          ["layer_raise", "layer_lower",                         ["layer_rename", "layer_duplicate",
1115                            None,
1116                            "layer_raise", "layer_lower",
1117                          None,                          None,
1118                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
1119                          None,                          None,
1120                            "layer_projection",
1121                            None,
1122                          "layer_show_table",                          "layer_show_table",
1123                            "layer_jointable",
1124                            "layer_unjointable",
1125                          None,                          None,
1126                          "layer_properties"]),                          "layer_properties"]),
1127                      Menu("table", _("&Table"),
1128                           ["table_open", "table_close", "table_rename",
1129                           None,
1130                           "table_show",
1131                           None,
1132                           "table_join"]),
1133                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
1134                         ["help_about"])])                         ["help_about"])])
1135    
# Line 812  main_menu = Menu("<main>", "<main>", Line 1137  main_menu = Menu("<main>", "<main>",
1137    
1138  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
1139                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
1140                       "map_full_extent", None,                       "map_full_extent",
1141                         "layer_full_extent",
1142                         "selected_full_extent",
1143                         None,
1144                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
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