/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 1014 by jan, Fri May 23 09:26:23 2003 UTC revision 1464 by bh, Fri Jul 18 18:20:40 2003 UTC
# Line 13  The main window Line 13  The main window
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    
16  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"  __ThubanVersion__ = "0.8" #"$THUBAN_0_2$"
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  from wxPython.wx import __version__ as wxPython_version
24    
 from wxPython.lib.dialogs import wxMultipleChoiceDialog  
   
25  import Thuban  import Thuban
26  import Thuban.version  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, RasterLayer  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 42  from menu import Menu Line 43  from menu import Menu
43    
44  from context import Context  from context import Context
45  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
46  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, \
47         MAP_REPLACED
48    from about import About
49    
50  from Thuban.UI.dock import DockFrame  from Thuban.UI.dock import DockFrame
51  from Thuban.UI.join import JoinDialog  from Thuban.UI.join import JoinDialog
52    
53  import resource  import resource
54    import Thuban.Model.resource
55    
56  import projdialog  import projdialog
57    
58    
   
59  class MainWindow(DockFrame):  class MainWindow(DockFrame):
60    
61      # Some messages that can be subscribed/unsubscribed directly through      # Some messages that can be subscribed/unsubscribed directly through
# Line 61  class MainWindow(DockFrame): Line 64  class MainWindow(DockFrame):
64      # actually come from. This delegation is implemented in the      # actually come from. This delegation is implemented in the
65      # Subscribe and unsubscribed methods      # Subscribe and unsubscribed methods
66      delegated_messages = {LAYER_SELECTED: "canvas",      delegated_messages = {LAYER_SELECTED: "canvas",
67                            SHAPES_SELECTED: "canvas"}                            SHAPES_SELECTED: "canvas",
68                              MAP_REPLACED: "canvas"}
69    
70      # Methods delegated to some instance variables. The delegation is      # Methods delegated to some instance variables. The delegation is
71      # implemented in the __getattr__ method.      # implemented in the __getattr__ method.
72      delegated_methods = {"SelectLayer": "canvas",      delegated_methods = {"SelectLayer": "canvas",
73                           "SelectShapes": "canvas",                           "SelectShapes": "canvas",
74                             "SelectedLayer": "canvas",
75                           "SelectedShapes": "canvas",                           "SelectedShapes": "canvas",
76                           }                           }
77    
# Line 106  class MainWindow(DockFrame): Line 111  class MainWindow(DockFrame):
111    
112          self.init_dialogs()          self.init_dialogs()
113    
114            self.ShowLegend()
115    
116          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
117    
118      def Subscribe(self, channel, *args):      def Subscribe(self, channel, *args):
# Line 359  class MainWindow(DockFrame): Line 366  class MainWindow(DockFrame):
366              result = wxID_NO              result = wxID_NO
367          return result          return result
368    
     def prepare_new_session(self):  
         for d in self.dialogs.values():  
             if not isinstance(d, tree.SessionTreeView):  
                 d.Close()  
   
369      def NewSession(self):      def NewSession(self):
370          if self.save_modified_session() != wxID_CANCEL:          if self.save_modified_session() != wxID_CANCEL:
             self.prepare_new_session()  
371              self.application.SetSession(create_empty_session())              self.application.SetSession(create_empty_session())
372    
373      def OpenSession(self):      def OpenSession(self):
# Line 375  class MainWindow(DockFrame): Line 376  class MainWindow(DockFrame):
376                                 "Thuban Session File (*.thuban)|*.thuban",                                 "Thuban Session File (*.thuban)|*.thuban",
377                                 wxOPEN)                                 wxOPEN)
378              if dlg.ShowModal() == wxID_OK:              if dlg.ShowModal() == wxID_OK:
                 self.prepare_new_session()  
379                  self.application.OpenSession(dlg.GetPath())                  self.application.OpenSession(dlg.GetPath())
380              dlg.Destroy()              dlg.Destroy()
381    
# Line 407  class MainWindow(DockFrame): Line 407  class MainWindow(DockFrame):
407              # yet.              # yet.
408              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
409              DockFrame.OnClose(self, event)              DockFrame.OnClose(self, event)
410                for dlg in self.dialogs.values():
411                    dlg.Destroy()
412                self.canvas.Destroy()
413              self.Destroy()              self.Destroy()
414    
415      def SetMap(self, map):      def SetMap(self, map):
# Line 438  class MainWindow(DockFrame): Line 441  class MainWindow(DockFrame):
441          return self.get_open_dialog("session_tree") is not None          return self.get_open_dialog("session_tree") is not None
442    
443      def About(self):      def About(self):
444          self.RunMessageBox(_("About"),          dlg = About(self)
445                             _("Thuban %s\n"          dlg.ShowModal()
446                              #"Build Date: %s\n"          dlg.Destroy()
                             "using:\n"  
                             "  %s\n"  
                             "  %s\n\n"  
                             "Thuban is a program for\n"  
                             "exploring geographic data.\n"  
                             "Copyright (C) 2001-2003 Intevation GmbH.\n"  
                             "Thuban is licensed under the GNU GPL"  
                             % (Thuban.version.longversion,  
                                "wxPython %s" % wxPython_version,  
                                "Python %d.%d.%d" % sys.version_info[:3]  
                               )),  
 #                           % __ThubanVersion__), #__BuildDate__)),  
                            wxOK | wxICON_INFORMATION)  
447    
448      def AddLayer(self):      def AddLayer(self):
449          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
# Line 547  class MainWindow(DockFrame): Line 537  class MainWindow(DockFrame):
537          layer = self.current_layer()          layer = self.current_layer()
538          if layer is not None:          if layer is not None:
539              layer.SetVisible(0)              layer.SetVisible(0)
540            
541      def ShowLayer(self):      def ShowLayer(self):
542          layer = self.current_layer()          layer = self.current_layer()
543          if layer is not None:          if layer is not None:
544              layer.SetVisible(1)              layer.SetVisible(1)
545    
546        def DuplicateLayer(self):
547            """Ceate a new layer above the selected layer with the same shapestore
548            """
549            layer = self.current_layer()
550            if layer is not None and hasattr(layer, "ShapeStore"):
551                new_layer = Layer(_("Copy of `%s'") % layer.Title(),
552                                  layer.ShapeStore(),
553                                  projection = layer.GetProjection())
554                new_classification = copy.deepcopy(layer.GetClassification())
555                new_layer.SetClassification(new_classification)
556                self.Map().AddLayer(new_layer)
557    
558        def CanDuplicateLayer(self):
559            """Return whether the DuplicateLayer method can create a duplicate"""
560            layer = self.current_layer()
561            return layer is not None and hasattr(layer, "ShapeStore")
562    
563      def LayerShowTable(self):      def LayerShowTable(self):
564          layer = self.current_layer()          layer = self.current_layer()
565          if layer is not None:          if layer is not None:
566              table = layer.table              table = layer.ShapeStore().Table()
567              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
568              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
569              if dialog is None:              if dialog is None:
570                  dialog = tableview.LayerTableFrame(self, name,                  dialog = tableview.LayerTableFrame(self, name,
571                                                 _("Table: %s") % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
572                                                     layer, table)                                           layer, table)
573                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
574                  dialog.Show(true)                  dialog.Show(True)
575              else:              else:
576                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
577                  pass                  pass
# Line 613  class MainWindow(DockFrame): Line 620  class MainWindow(DockFrame):
620          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
621    
622          if dialog is None:          if dialog is None:
623              dialog = Classifier(self, name, layer, group)              dialog = Classifier(self, name, self.Map(), layer, group)
624              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
625              dialog.Show()              dialog.Show()
626          dialog.Raise()          dialog.Raise()
627    
628      def LayerJoinTable(self):      def LayerJoinTable(self):
629          print "LayerJoinTable"          layer = self.canvas.SelectedLayer()
630            if layer is not None:
631                dlg = JoinDialog(self, _("Join Layer with Table"),
632                                 self.application.session,
633                                 layer = layer)
634                dlg.ShowModal()
635    
636      def LayerUnjoinTable(self):      def LayerUnjoinTable(self):
637          print "LayerUnjoinTable"          layer = self.canvas.SelectedLayer()
638            if layer is not None:
639                orig_store = layer.ShapeStore().OrigShapeStore()
640                if orig_store:
641                    layer.SetShapeStore(orig_store)
642    
643      def ShowLegend(self):      def ShowLegend(self):
644          if not self.LegendShown():          if not self.LegendShown():
# Line 648  class MainWindow(DockFrame): Line 664  class MainWindow(DockFrame):
664          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
665    
666      def TableOpen(self):      def TableOpen(self):
         print "TableOpen: not implemented"  
667          dlg = wxFileDialog(self, _("Open Table"), ".", "",          dlg = wxFileDialog(self, _("Open Table"), ".", "",
668                             "DBF Files (*.dbf)|*.dbf|" +                             _("DBF Files (*.dbf)") + "|*.dbf|" +
669                             "CSV Files (*.csv)|*.csv|" +                             #_("CSV Files (*.csv)") + "|*.csv|" +
670                             "All Files (*.*)|*.*",                             _("All Files (*.*)") + "|*.*",
671                             wxOPEN)                             wxOPEN)
672          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
673              #self.application.session.OpenTable(dlg.GetPath())              filename = dlg.GetPath()
674              pass              dlg.Destroy()
675                try:
676          dlg.Destroy()                  table = self.application.session.OpenTableFile(filename)
677                except IOError:
678                    # the layer couldn't be opened
679                    self.RunMessageBox(_("Open Table"),
680                                       _("Can't open the file '%s'.") % filename)
681                else:
682                    self.ShowTableView(table)
683    
684      def TableClose(self):      def TableClose(self):
685          print "TableClose: not implemented"          tables = self.application.session.UnreferencedTables()
686    
687            lst = [(t.Title(), t) for t in tables]
688            lst.sort()
689            titles = [i[0] for i in lst]
690            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
691                                         _("Close Table"), titles,
692                                         size = (400, 300),
693                                         style = wxDEFAULT_DIALOG_STYLE |
694                                                 wxRESIZE_BORDER)
695            if dlg.ShowModal() == wxID_OK:
696                for i in dlg.GetValue():
697                    self.application.session.RemoveTable(lst[i][1])
698    
699    
700      def TableShow(self):      def TableShow(self):
701          """Offer a multi-selection dialog for tables to be displayed          """Offer a multi-selection dialog for tables to be displayed
702            
703          The windows for the selected tables are opened or brought to          The windows for the selected tables are opened or brought to
704          the front.          the front.
705          """          """
706          tables = self.application.session.Tables()          tables = self.application.session.Tables()
         table_list = []  
         for table in tables:  
             table_list.append(table.Title())  
707    
708            lst = [(t.Title(), t) for t in tables]
709            lst.sort()
710            titles = [i[0] for i in lst]
711          dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),          dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
712                                       _("Show Table"), table_list)                                       _("Show Table"), titles,
713                                         size = (400,300),
714                                         style = wxDEFAULT_DIALOG_STYLE |
715                                                 wxRESIZE_BORDER)
716          if (dlg.ShowModal() == wxID_OK):          if (dlg.ShowModal() == wxID_OK):
717              for i in dlg.GetValue():              for i in dlg.GetValue():
718                  # XXX: First check whether the dialog is already open                  # XXX: if the table belongs to a layer, open a
719                  # and if so, bring it to the front.                  # LayerTableFrame instead of QueryTableFrame
720                  dialog = tableview.QueryTableFrame(self, table_list[i],                  self.ShowTableView(lst[i][1])
                                               _("Table: %s") % table_list[i],  
                                               tables[i])  
                 self.add_dialog(table_list[i], dialog)  
                 dialog.Show(true)  
   
         # XXX: just some analyis code, remove it when the above XXX is  
         # resolved.  
         for d in self.dialogs.values():  
             if isinstance(d, tableview.LayerTableFrame):  
                 print "LayerTable:", d.GetTitle()  
             elif isinstance(d, tableview.QueryTableFrame):  
                 print "QueryTable:", d.GetTitle()  
             else:  
                 print "Other:", d.GetTitle()  
   
     def TableHide(self):  
         print "TableHide: not implemented"  
721    
722      def TableJoin(self):      def TableJoin(self):
723          dlg = JoinDialog(self, _("Join Tables"), self.application.session)          dlg = JoinDialog(self, _("Join Tables"), self.application.session)
724          dlg.ShowModal()          dlg.ShowModal()
725    
726        def ShowTableView(self, table):
727            """Open a table view for the table and optionally"""
728            name = "table_view%d" % id(table)
729            dialog = self.get_open_dialog(name)
730            if dialog is None:
731                dialog = tableview.QueryTableFrame(self, name,
732                                                   _("Table: %s") % table.Title(),
733                                                   table)
734                self.add_dialog(name, dialog)
735                dialog.Show(True)
736            dialog.Raise()
737    
738        def TableRename(self):
739            """Let the user rename a table"""
740    
741            # First, let the user select a table
742            tables = self.application.session.Tables()
743            lst = [(t.Title(), t) for t in tables]
744            lst.sort()
745            titles = [i[0] for i in lst]
746            dlg = wxMultipleChoiceDialog(self, _("Pick the table to rename:"),
747                                         _("Rename Table"), titles,
748                                         size = (400,300),
749                                         style = wxDEFAULT_DIALOG_STYLE |
750                                                 wxRESIZE_BORDER)
751            if (dlg.ShowModal() == wxID_OK):
752                to_rename = [lst[i][1] for i in dlg.GetValue()]
753                dlg.Destroy()
754            else:
755                to_rename = []
756    
757            # Second, let the user rename the layers
758            for table in to_rename:
759                dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",
760                                        table.Title())
761                try:
762                    if dlg.ShowModal() == wxID_OK:
763                        title = dlg.GetValue()
764                        if title != "":
765                            table.SetTitle(title)
766    
767                            # Make sure the session is marked as modified.
768                            # FIXME: This should be handled automatically,
769                            # but that requires more changes to the tables
770                            # than I have time for currently.
771                            self.application.session.changed()
772                finally:
773                    dlg.Destroy()
774    
775    
776      def ZoomInTool(self):      def ZoomInTool(self):
777          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
778    
# Line 745  class MainWindow(DockFrame): Line 815  class MainWindow(DockFrame):
815    
816          dlg.Destroy()          dlg.Destroy()
817    
818        def RenameLayer(self):
819            """Let the user rename the currently selected layer"""
820            layer = self.current_layer()
821            if layer is not None:
822                dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",
823                                        layer.Title())
824                try:
825                    if dlg.ShowModal() == wxID_OK:
826                        title = dlg.GetValue()
827                        if title != "":
828                            layer.SetTitle(title)
829                finally:
830                    dlg.Destroy()
831    
832      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
833          """Subscribed to the canvas' SHAPES_SELECTED message          """Subscribed to the canvas' SHAPES_SELECTED message
834    
# Line 838  def _has_legend_shown(context): Line 922  def _has_legend_shown(context):
922      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
923      return context.mainwindow.LegendShown()      return context.mainwindow.LegendShown()
924    
925    def _has_gdal_support(context):
926        """Return True if the GDAL is available"""
927        return Thuban.Model.resource.has_gdal_support()
928    
929  # File menu  # File menu
930  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession",
931  _method_command("open_session", _("&Open Session..."), "OpenSession")                  helptext = _("Start a new session"))
932  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("open_session", _("&Open Session..."), "OpenSession",
933  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs")                  helptext = _("Open a session file"))
934    _method_command("save_session", _("&Save Session"), "SaveSession",
935                    helptext =_("Save this session to the file it was opened from"))
936    _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs",
937                    helptext = _("Save this session to a new file"))
938  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
939                  checked = _has_tree_window_shown)                  checked = _has_tree_window_shown,
940                    helptext = _("Toggle on/off the session tree analysis window"))
941  _method_command("toggle_legend", _("Legend"), "ToggleLegend",  _method_command("toggle_legend", _("Legend"), "ToggleLegend",
942                  checked = _has_legend_shown)                  checked = _has_legend_shown,
943  _method_command("exit", _("E&xit"), "Exit")                  helptext = _("Toggle Legend on/off"))
944    _method_command("exit", _("E&xit"), "Exit",
945                    helptext = _("Finish working with Thuban"))
946    
947  # Help menu  # Help menu
948  _method_command("help_about", _("&About..."), "About")  _method_command("help_about", _("&About..."), "About",
949                    helptext = _("Info about Thuban authors, version and modules"))
950    
951    
952  # Map menu  # Map menu
953  _method_command("map_projection", _("Pro&jection..."), "MapProjection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection",
954                    helptext = _("Set or change the map projection"))
955    
956  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
957                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 874  _tool_command("map_label_tool", _("&Labe Line 970  _tool_command("map_label_tool", _("&Labe
970                helptext = _("Add/Remove labels"), icon = "label",                helptext = _("Add/Remove labels"), icon = "label",
971                sensitive = _has_visible_map)                sensitive = _has_visible_map)
972  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
973                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Zoom to the full map extent"), icon = "fullextent",
974                sensitive = _has_visible_map)                sensitive = _has_visible_map)
975  _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",  _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
976                 helptext = _("Full Layer Extent"), icon = "fulllayerextent",                  helptext = _("Zoom to the full layer extent"),
977                sensitive = _has_selected_layer)                  icon = "fulllayerextent", sensitive = _has_selected_layer)
978  _method_command("selected_full_extent", _("&Full selection extent"), "FullSelectionExtent",  _method_command("selected_full_extent", _("&Full selection extent"),
979                 helptext = _("Full Selection Extent"), icon = "fullselextent",                  "FullSelectionExtent",
980                sensitive = _has_selected_shapes)                  helptext = _("Zoom to the full selection extent"),
981                    icon = "fullselextent", sensitive = _has_selected_shapes)
982  _method_command("map_export", _("E&xport"), "ExportMap",  _method_command("map_export", _("E&xport"), "ExportMap",
983                      helptext = _("Export the map to file"))                  helptext = _("Export the map to file"))
984  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
985                  helptext = _("Print the map"))                  helptext = _("Print the map"))
986  _method_command("map_rename", _("&Rename..."), "RenameMap",  _method_command("map_rename", _("&Rename..."), "RenameMap",
987                  helptext = _("Rename the map"))                  helptext = _("Rename the map"))
988  _method_command("layer_add", _("&Add Layer..."), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
989                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to the map"))
990  _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",  _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
991                  helptext = _("Add a new image layer to active map"))                  helptext = _("Add a new image layer to the map"),
992                    sensitive = _has_gdal_support)
993  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
994                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer"),
995                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
996    
997  # Layer menu  # Layer menu
998  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
999                    sensitive = _has_selected_layer,
1000                    helptext = _("Specify projection for selected layer"))
1001    _method_command("layer_duplicate", _("&Duplicate"), "DuplicateLayer",
1002                    helptext = _("Duplicate selected layer"),
1003              sensitive = lambda context: context.mainwindow.CanDuplicateLayer())
1004    _method_command("layer_rename", _("Re&name ..."), "RenameLayer",
1005                    helptext = _("Rename selected layer"),
1006                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1007  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
1008                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer"),
1009                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1010  _method_command("layer_lower", _("&Lower"), "LowerLayer",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
1011                  helptext = _("Lower selected layer(s)"),                  helptext = _("Lower selected layer"),
1012                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1013  _method_command("layer_show", _("&Show"), "ShowLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
1014                  helptext = _("Make selected layer(s) visible"),                  helptext = _("Make selected layer visible"),
1015                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1016  _method_command("layer_hide", _("&Hide"), "HideLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
1017                  helptext = _("Make selected layer(s) unvisible"),                  helptext = _("Make selected layer unvisible"),
1018                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1019  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1020                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1021                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1022  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1023                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer,
1024                    helptext = _("Edit the properties of the selected layer"))
1025  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1026                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer,
1027                    helptext = _("Join and attach a table to the selected layer"))
1028    
1029    def _can_unjoin(context):
1030        """Return whether the Layer/Unjoin command can be executed.
1031    
1032        This is the case if a layer is selected and that layer has a
1033        shapestore that has an original shapestore.
1034        """
1035        layer = context.mainwindow.SelectedLayer()
1036        if layer is None:
1037            return 0
1038        getstore = getattr(layer, "ShapeStore", None)
1039        if getstore is not None:
1040            return getstore().OrigShapeStore() is not None
1041        else:
1042            return 0
1043  _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",  _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
1044                  sensitive = _has_selected_layer)                  sensitive = _can_unjoin,
1045                    helptext = _("Undo the last join operation"))
1046    
1047    
1048    def _has_tables(context):
1049        return bool(context.session.Tables())
1050    
1051  # Table menu  # Table menu
1052  _method_command("table_open", _("&Open..."), "TableOpen")  _method_command("table_open", _("&Open..."), "TableOpen",
1053  _method_command("table_close", _("&Close"), "TableClose")                  helptext = _("Open a DBF-table from a file"))
1054  _method_command("table_show", _("&Show"), "TableShow")  _method_command("table_close", _("&Close..."), "TableClose",
1055  _method_command("table_hide", _("&Hide"), "TableHide")         sensitive = lambda context: bool(context.session.UnreferencedTables()),
1056  _method_command("table_join", _("&Join..."), "TableJoin")                  helptext = _("Close one or more tables from a list"))
1057    _method_command("table_rename", _("&Rename..."), "TableRename",
1058                    sensitive = _has_tables,
1059                    helptext = _("Rename one or more tables"))
1060    _method_command("table_show", _("&Show..."), "TableShow",
1061                    sensitive = _has_tables,
1062                    helptext = _("Show one or more tables in a dialog"))
1063    _method_command("table_join", _("&Join..."), "TableJoin",
1064                    sensitive = _has_tables,
1065                    helptext = _("Join two tables creating a new one"))
1066    
1067  #  Export only under Windows ...  #  Export only under Windows ...
1068  map_menu = ["layer_add", "rasterlayer_add", "layer_remove", "map_rename",  map_menu = ["layer_add", "rasterlayer_add", "layer_remove",
1069                          None,                          None,
1070                            "map_rename",
1071                          "map_projection",                          "map_projection",
1072                          None,                          None,
1073                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
# Line 956  main_menu = Menu("<main>", "<main>", Line 1093  main_menu = Menu("<main>", "<main>",
1093                          "exit"]),                          "exit"]),
1094                    Menu("map", _("&Map"), map_menu),                    Menu("map", _("&Map"), map_menu),
1095                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
1096                          ["layer_raise", "layer_lower",                         ["layer_rename", "layer_duplicate",
1097                            None,
1098                            "layer_raise", "layer_lower",
1099                          None,                          None,
1100                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
1101                          None,                          None,
# Line 968  main_menu = Menu("<main>", "<main>", Line 1107  main_menu = Menu("<main>", "<main>",
1107                          None,                          None,
1108                          "layer_properties"]),                          "layer_properties"]),
1109                    Menu("table", _("&Table"),                    Menu("table", _("&Table"),
1110                         ["table_open", "table_close",                         ["table_open", "table_close", "table_rename",
1111                         None,                         None,
1112                         "table_show", "table_hide",                         "table_show",
1113                         None,                         None,
1114                         "table_join"]),                         "table_join"]),
1115                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
# Line 985  main_toolbar = Menu("<toolbar>", "<toolb Line 1124  main_toolbar = Menu("<toolbar>", "<toolb
1124                       "selected_full_extent",                       "selected_full_extent",
1125                       None,                       None,
1126                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
1127    
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