/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 1648 by bh, Mon Aug 25 13:55:35 2003 UTC revision 2531 by bernhard, Thu Jan 20 18:47:26 2005 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001, 2002, 2003 by Intevation GmbH  # Copyright (C) 2001, 2002, 2003, 2004 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
# Line 19  import os Line 19  import os
19  import copy  import copy
20    
21  from wxPython.wx import *  from wxPython.wx import *
 from wxPython.wx import __version__ as wxPython_version  
22    
23  import Thuban  import Thuban
 import Thuban.version  
24    
25  from Thuban import _  from Thuban import _
26    from Thuban.Model.messages import TITLE_CHANGED
27  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
28  from Thuban.Model.layer import Layer, RasterLayer  from Thuban.Model.layer import Layer, RasterLayer
29  from Thuban.Model.postgisdb import PostGISShapeStore, has_postgis_support  from Thuban.Model.postgisdb import PostGISShapeStore, has_postgis_support
# Line 36  from Thuban.UI.multiplechoicedialog impo Line 35  from Thuban.UI.multiplechoicedialog impo
35  import view  import view
36  import tree  import tree
37  import tableview, identifyview  import tableview, identifyview
 from Thuban.UI.classifier import Classifier  
38  import legend  import legend
39  from menu import Menu  from menu import Menu
40    
# Line 54  import Thuban.Model.resource Line 52  import Thuban.Model.resource
52    
53  import projdialog  import projdialog
54    
55    from Thuban.Lib.classmapper import ClassMapper
56    
57    layer_properties_dialogs = ClassMapper()
58    
59  class MainWindow(DockFrame):  class MainWindow(DockFrame):
60    
# Line 103  class MainWindow(DockFrame): Line 104  class MainWindow(DockFrame):
104          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
105          canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)          canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
106          self.canvas = canvas          self.canvas = canvas
107            self.canvas.Subscribe(TITLE_CHANGED, self.title_changed)
108    
109          self.SetMainWindow(self.canvas)          self.SetMainWindow(self.canvas)
110    
# Line 134  class MainWindow(DockFrame): Line 136  class MainWindow(DockFrame):
136          """          """
137          if channel in self.delegated_messages:          if channel in self.delegated_messages:
138              object = getattr(self, self.delegated_messages[channel])              object = getattr(self, self.delegated_messages[channel])
139              object.Unsubscribe(channel, *args)              try:
140                    object.Unsubscribe(channel, *args)
141                except wxPyDeadObjectError:
142                    # The object was a wxObject and has already been
143                    # destroyed. Hopefully it has unsubscribed all its
144                    # subscribers already so that it's OK if we do nothing
145                    # here
146                    pass
147    
148      def __getattr__(self, attr):      def __getattr__(self, attr):
149          """If attr is one of the delegated methods return that method          """If attr is one of the delegated methods return that method
# Line 326  class MainWindow(DockFrame): Line 335  class MainWindow(DockFrame):
335          return self.dialogs.get(name)          return self.dialogs.get(name)
336    
337      def view_position_changed(self):      def view_position_changed(self):
338            """Put current position in status bar after a mouse move."""
339          pos = self.canvas.CurrentPosition()          pos = self.canvas.CurrentPosition()
340          if pos is not None:          if pos is not None:
341              text = "(%10.10g, %10.10g)" % pos              text = "(%10.10g, %10.10g)" % pos
342          else:          else:
343              text = ""              text = ""
344                # XXX This is a hack until we find a better place for this code.
345                # (BER 20050120)
346                # BH wrote (20050120):
347                # this branch is only executed when the mouse
348                # leaves the canvas window, so it's not that often [..]
349                # [Here] not the right place to put this code.  
350                # I don't have a better solution at hand,
351                # but the view_position_changed is only there to update
352                # the current position.  If other information is to
353                # be shown in the status bar it should
354                # be handled in a different way and
355                # by other methods.
356                #
357                # The status bar widget supports some kind of stack of texts.
358                # maybe that can be used to distinguis
359                # between short-lived information such as the mouse position
360                # and more permanent information such as the hint
361                # about the projections.
362                map = self.canvas.Map()
363                for layer in map.layers:
364                    bbox = layer.LatLongBoundingBox()
365                    if bbox:
366                        left, bottom, right, top = bbox
367                        if not (-180 <= left <= 180 and
368                            -180 <= right <= 180 and
369                            -90 <= top <= 90 and
370                            -90 <= bottom <= 90):
371                            text = ("Select '"+layer.title+"' and pick a " +
372                                "projection using Layer/Projection...")
373                            break
374    
375          self.set_position_text(text)          self.set_position_text(text)
376    
377      def set_position_text(self, text):      def set_position_text(self, text):
# Line 342  class MainWindow(DockFrame): Line 383  class MainWindow(DockFrame):
383          """          """
384          self.SetStatusText(text)          self.SetStatusText(text)
385    
386        def OpenOrRaiseDialog(self, name, dialog_class, *args, **kw):
387            """
388            Open or raise a dialog.
389    
390            If a dialog with the denoted name does already exist it is
391            raised.  Otherwise a new dialog, an instance of dialog_class,
392            is created, inserted into the main list and displayed.
393            """
394            dialog = self.get_open_dialog(name)
395    
396            if dialog is None:
397                dialog = dialog_class(self, name, *args, **kw)
398                self.add_dialog(name, dialog)
399                dialog.Show(True)
400            else:
401                dialog.Raise()
402                              
403      def save_modified_session(self, can_veto = 1):      def save_modified_session(self, can_veto = 1):
404          """If the current session has been modified, ask the user          """If the current session has been modified, ask the user
405          whether to save it and do so if requested. Return the outcome of          whether to save it and do so if requested. Return the outcome of
# Line 371  class MainWindow(DockFrame): Line 429  class MainWindow(DockFrame):
429    
430      def OpenSession(self):      def OpenSession(self):
431          if self.save_modified_session() != wxID_CANCEL:          if self.save_modified_session() != wxID_CANCEL:
432              dlg = wxFileDialog(self, _("Open Session"), ".", "",              dlg = wxFileDialog(self, _("Open Session"),
433                                   self.application.Path("data"), "",
434                                 "Thuban Session File (*.thuban)|*.thuban",                                 "Thuban Session File (*.thuban)|*.thuban",
435                                 wxOPEN)                                 wxOPEN)
436              if dlg.ShowModal() == wxID_OK:              if dlg.ShowModal() == wxID_OK:
437                  self.application.OpenSession(dlg.GetPath(),                  self.application.OpenSession(dlg.GetPath(),
438                                               self.run_db_param_dialog)                                               self.run_db_param_dialog)
439                    self.application.SetPath("data", dlg.GetPath())
440              dlg.Destroy()              dlg.Destroy()
441    
442      def run_db_param_dialog(self, parameters, message):      def run_db_param_dialog(self, parameters, message):
# Line 391  class MainWindow(DockFrame): Line 451  class MainWindow(DockFrame):
451              self.application.SaveSession()              self.application.SaveSession()
452    
453      def SaveSessionAs(self):      def SaveSessionAs(self):
454          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"),
455                               self.application.Path("data"), "",
456                             "Thuban Session File (*.thuban)|*.thuban",                             "Thuban Session File (*.thuban)|*.thuban",
457                             wxSAVE|wxOVERWRITE_PROMPT)                             wxSAVE|wxOVERWRITE_PROMPT)
458          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
459              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
460              self.application.SaveSession()              self.application.SaveSession()
461                self.application.SetPath("data",dlg.GetPath())
462          dlg.Destroy()          dlg.Destroy()
463    
464      def Exit(self):      def Exit(self):
# Line 419  class MainWindow(DockFrame): Line 481  class MainWindow(DockFrame):
481    
482      def SetMap(self, map):      def SetMap(self, map):
483          self.canvas.SetMap(map)          self.canvas.SetMap(map)
484          self.__SetTitle(map.Title())          self.update_title()
485    
486          dialog = self.FindRegisteredDock("legend")          dialog = self.FindRegisteredDock("legend")
487          if dialog is not None:          if dialog is not None:
# Line 461  class MainWindow(DockFrame): Line 523  class MainWindow(DockFrame):
523          dialog.Raise()          dialog.Raise()
524    
525      def AddLayer(self):      def AddLayer(self):
526          dlg = wxFileDialog(self, _("Select one or more data files"), ".", "",          dlg = wxFileDialog(self, _("Select one or more data files"),
527                             _("Shapefiles (*.shp)") + "|*.shp|" +                             self.application.Path("data"), "",
528                             _("All Files (*.*)") + "|*.*",                             _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +
529                               _("All Files (*.*)") + "|*.*",
530                             wxOPEN | wxMULTIPLE)                             wxOPEN | wxMULTIPLE)
531          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
532              filenames = dlg.GetPaths()              filenames = dlg.GetPaths()
# Line 484  class MainWindow(DockFrame): Line 547  class MainWindow(DockFrame):
547                          # if we're adding a layer to an empty map, fit the                          # if we're adding a layer to an empty map, fit the
548                          # new map to the window                          # new map to the window
549                          self.canvas.FitMapToWindow()                          self.canvas.FitMapToWindow()
550                        self.application.SetPath("data",filename)
551          dlg.Destroy()          dlg.Destroy()
552    
553      def AddRasterLayer(self):      def AddRasterLayer(self):
554          dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select an image file"),
555                               self.application.Path("data"), "", "*.*",
556                             wxOPEN)                             wxOPEN)
557          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
558              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 506  class MainWindow(DockFrame): Line 571  class MainWindow(DockFrame):
571                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
572                      # new map to the window                      # new map to the window
573                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
574                    self.application.SetPath("data", filename)
575          dlg.Destroy()          dlg.Destroy()
576    
577      def AddDBLayer(self):      def AddDBLayer(self):
578          """Add a layer read from a database"""          """Add a layer read from a database"""
579          session = self.application.Session()          session = self.application.Session()
580          dlg = ChooseDBTableDialog(self.application.Session(), self,-1, "")          dlg = ChooseDBTableDialog(self, self.application.Session())
581    
582          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
583              dbconn, dbtable = dlg.GetTable()              dbconn, dbtable, id_column, geo_column = dlg.GetTable()
584              try:              try:
585                  title = str(dbtable)                  title = str(dbtable)
586    
587                  # Chose the correct Interface for the database type                  # Chose the correct Interface for the database type
588                  store = PostGISShapeStore(dbconn, dbtable)                  store = session.OpenDBShapeStore(dbconn, dbtable,
589                  session.AddShapeStore(store)                                                   id_column = id_column,
590                                                     geometry_column = geo_column)
591                  layer = Layer(title, store)                  layer = Layer(title, store)
592              except:              except:
593                  # Some error occured while initializing the layer                  # Some error occured while initializing the layer
594                  self.RunMessageBox(_("Add Layer from database"),                  self.RunMessageBox(_("Add Layer from database"),
595                                     _("Can't open the database table '%s'")                                     _("Can't open the database table '%s'")
596                                     % dbtable)                                     % dbtable)
597                    return
598    
599              map = self.canvas.Map()              map = self.canvas.Map()
600    
# Line 555  class MainWindow(DockFrame): Line 623  class MainWindow(DockFrame):
623              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
624          return False          return False
625    
626        def LayerToTop(self):
627            layer = self.current_layer()
628            if layer is not None:
629                self.canvas.Map().MoveLayerToTop(layer)
630    
631      def RaiseLayer(self):      def RaiseLayer(self):
632          layer = self.current_layer()          layer = self.current_layer()
633          if layer is not None:          if layer is not None:
# Line 565  class MainWindow(DockFrame): Line 638  class MainWindow(DockFrame):
638          if layer is not None:          if layer is not None:
639              self.canvas.Map().LowerLayer(layer)              self.canvas.Map().LowerLayer(layer)
640    
641        def LayerToBottom(self):
642            layer = self.current_layer()
643            if layer is not None:
644                self.canvas.Map().MoveLayerToBottom(layer)
645    
646      def current_layer(self):      def current_layer(self):
647          """Return the currently selected layer.          """Return the currently selected layer.
648    
# Line 576  class MainWindow(DockFrame): Line 654  class MainWindow(DockFrame):
654          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
655          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
656    
657        def has_selected_shape_layer(self):
658            """Return true if a shape layer is currently selected"""
659            return isinstance(self.current_layer(), Layer)
660    
661      def has_selected_shapes(self):      def has_selected_shapes(self):
662          """Return true if a shape is currently selected"""          """Return true if a shape is currently selected"""
663          return self.canvas.HasSelectedShapes()          return self.canvas.HasSelectedShapes()
# Line 583  class MainWindow(DockFrame): Line 665  class MainWindow(DockFrame):
665      def HideLayer(self):      def HideLayer(self):
666          layer = self.current_layer()          layer = self.current_layer()
667          if layer is not None:          if layer is not None:
668              layer.SetVisible(0)              layer.SetVisible(False)
669    
670      def ShowLayer(self):      def ShowLayer(self):
671          layer = self.current_layer()          layer = self.current_layer()
672          if layer is not None:          if layer is not None:
673              layer.SetVisible(1)              layer.SetVisible(True)
674    
675        def ToggleLayerVisibility(self):
676            layer = self.current_layer()
677            layer.SetVisible(not layer.Visible())
678    
679      def DuplicateLayer(self):      def DuplicateLayer(self):
680          """Ceate a new layer above the selected layer with the same shapestore          """Ceate a new layer above the selected layer with the same shapestore
# Line 599  class MainWindow(DockFrame): Line 685  class MainWindow(DockFrame):
685                                layer.ShapeStore(),                                layer.ShapeStore(),
686                                projection = layer.GetProjection())                                projection = layer.GetProjection())
687              new_classification = copy.deepcopy(layer.GetClassification())              new_classification = copy.deepcopy(layer.GetClassification())
688                new_layer.SetClassificationColumn(
689                        layer.GetClassificationColumn())
690              new_layer.SetClassification(new_classification)              new_layer.SetClassification(new_classification)
691              self.Map().AddLayer(new_layer)              self.Map().AddLayer(new_layer)
692    
# Line 608  class MainWindow(DockFrame): Line 696  class MainWindow(DockFrame):
696          return layer is not None and hasattr(layer, "ShapeStore")          return layer is not None and hasattr(layer, "ShapeStore")
697    
698      def LayerShowTable(self):      def LayerShowTable(self):
699            """
700            Present a TableView Window for the current layer.
701            In case the window is already open, bring it to the front.
702            In case, there is no active layer, do nothing.
703            In case, the layer has no ShapeStore, do nothing.
704            """
705          layer = self.current_layer()          layer = self.current_layer()
706          if layer is not None:          if layer is not None:
707                if not hasattr(layer, "ShapeStore"):
708                    return
709              table = layer.ShapeStore().Table()              table = layer.ShapeStore().Table()
710              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
711              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
# Line 620  class MainWindow(DockFrame): Line 716  class MainWindow(DockFrame):
716                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
717                  dialog.Show(True)                  dialog.Show(True)
718              else:              else:
719                  # FIXME: bring dialog to front here                  dialog.Raise()
                 pass  
720    
721      def MapProjection(self):      def MapProjection(self):
722    
# Line 663  class MainWindow(DockFrame): Line 758  class MainWindow(DockFrame):
758          self.OpenLayerProperties(layer)          self.OpenLayerProperties(layer)
759    
760      def OpenLayerProperties(self, layer, group = None):      def OpenLayerProperties(self, layer, group = None):
761          name = "layer_properties" + str(id(layer))          """
762          dialog = self.get_open_dialog(name)          Open or raise the properties dialog.
763    
764          if dialog is None:          This method opens or raises the properties dialog for the
765              dialog = Classifier(self, name, self.Map(), layer, group)          currently selected layer if one is defined for this layer
766              self.add_dialog(name, dialog)          type.
767              dialog.Show()          """
768          dialog.Raise()          dialog_class = layer_properties_dialogs.get(layer)
769    
770            if dialog_class is not None:
771                name = "layer_properties" + str(id(layer))
772                self.OpenOrRaiseDialog(name, dialog_class, layer, group = group)
773    
774      def LayerJoinTable(self):      def LayerJoinTable(self):
775          layer = self.canvas.SelectedLayer()          layer = self.canvas.SelectedLayer()
# Line 711  class MainWindow(DockFrame): Line 810  class MainWindow(DockFrame):
810          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
811    
812      def TableOpen(self):      def TableOpen(self):
813          dlg = wxFileDialog(self, _("Open Table"), ".", "",          dlg = wxFileDialog(self, _("Open Table"),
814                               self.application.Path("data"), "",
815                             _("DBF Files (*.dbf)") + "|*.dbf|" +                             _("DBF Files (*.dbf)") + "|*.dbf|" +
816                             #_("CSV Files (*.csv)") + "|*.csv|" +                             #_("CSV Files (*.csv)") + "|*.csv|" +
817                             _("All Files (*.*)") + "|*.*",                             _("All Files (*.*)") + "|*.*",
# Line 727  class MainWindow(DockFrame): Line 827  class MainWindow(DockFrame):
827                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
828              else:              else:
829                  self.ShowTableView(table)                  self.ShowTableView(table)
830                    self.application.SetPath("data",filename)
831    
832      def TableClose(self):      def TableClose(self):
833          tables = self.application.session.UnreferencedTables()          tables = self.application.session.UnreferencedTables()
# Line 803  class MainWindow(DockFrame): Line 904  class MainWindow(DockFrame):
904    
905          # Second, let the user rename the layers          # Second, let the user rename the layers
906          for table in to_rename:          for table in to_rename:
907              dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",              dlg = wxTextEntryDialog(self, _("Table Title:"), _("Rename Table"),
908                                      table.Title())                                      table.Title())
909              try:              try:
910                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 852  class MainWindow(DockFrame): Line 953  class MainWindow(DockFrame):
953          self.canvas.Print()          self.canvas.Print()
954    
955      def RenameMap(self):      def RenameMap(self):
956          dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",          dlg = wxTextEntryDialog(self, _("Map Title:"), _("Rename Map"),
957                                  self.Map().Title())                                  self.Map().Title())
958          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
959              title = dlg.GetValue()              title = dlg.GetValue()
960              if title != "":              if title != "":
961                  self.Map().SetTitle(title)                  self.Map().SetTitle(title)
                 self.__SetTitle(title)  
962    
963          dlg.Destroy()          dlg.Destroy()
964    
# Line 866  class MainWindow(DockFrame): Line 966  class MainWindow(DockFrame):
966          """Let the user rename the currently selected layer"""          """Let the user rename the currently selected layer"""
967          layer = self.current_layer()          layer = self.current_layer()
968          if layer is not None:          if layer is not None:
969              dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",              dlg = wxTextEntryDialog(self, _("Layer Title:"), _("Rename Layer"),
970                                      layer.Title())                                      layer.Title())
971              try:              try:
972                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 900  class MainWindow(DockFrame): Line 1000  class MainWindow(DockFrame):
1000                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
1001                  pass                  pass
1002    
1003      def __SetTitle(self, title):      def title_changed(self, map):
1004          self.SetTitle("Thuban - " + title)          """Subscribed to the canvas' TITLE_CHANGED messages"""
1005            self.update_title()
1006    
1007        def update_title(self):
1008            """Update the window's title according to it's current state.
1009    
1010            In this default implementation the title is 'Thuban - ' followed
1011            by the map's title or simply 'Thuban' if there is not map.
1012            Derived classes should override this method to get different
1013            titles.
1014    
1015            This method is called automatically by other methods when the
1016            title may have to change. For the methods implemented in this
1017            class this usually only means that a different map has been set
1018            or the current map's title has changed.
1019            """
1020            map = self.Map()
1021            if map is not None:
1022                title = _("Thuban - %s") % (map.Title(),)
1023            else:
1024                title = _("Thuban")
1025            self.SetTitle(title)
1026    
1027    
1028  #  #
1029  # Define all the commands available in the main window  # Define all the commands available in the main window
# Line 943  def _has_selected_layer(context): Line 1065  def _has_selected_layer(context):
1065      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
1066      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
1067    
1068    def _has_selected_layer_visible(context):
1069        """Return true if a layer is selected in the context which is
1070        visible."""
1071        if context.mainwindow.has_selected_layer():
1072            layer = context.mainwindow.current_layer()
1073            if layer.Visible(): return True
1074        return False
1075    
1076    def _has_selected_shape_layer(context):
1077        """Return true if a shape layer is selected in the context"""
1078        return context.mainwindow.has_selected_shape_layer()
1079    
1080  def _has_selected_shapes(context):  def _has_selected_shapes(context):
1081      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
1082      return context.mainwindow.has_selected_shapes()      return context.mainwindow.has_selected_shapes()
# Line 962  def _has_visible_map(context): Line 1096  def _has_visible_map(context):
1096      if map is not None:      if map is not None:
1097          for layer in map.Layers():          for layer in map.Layers():
1098              if layer.Visible():              if layer.Visible():
1099                  return 1                  return True
1100      return 0      return False
1101    
1102  def _has_legend_shown(context):  def _has_legend_shown(context):
1103      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
# Line 1079  _method_command("layer_hide", _("&Hide") Line 1213  _method_command("layer_hide", _("&Hide")
1213                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1214  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1215                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1216                  sensitive = _has_selected_layer)                  sensitive = _has_selected_shape_layer)
1217  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1218                  sensitive = _has_selected_layer,                  sensitive = _has_selected_layer,
1219                  helptext = _("Edit the properties of the selected layer"))                  helptext = _("Edit the properties of the selected layer"))
1220  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1221                  sensitive = _has_selected_layer,                  sensitive = _has_selected_shape_layer,
1222                  helptext = _("Join and attach a table to the selected layer"))                  helptext = _("Join and attach a table to the selected layer"))
1223    
1224    # further layer methods:
1225    _method_command("layer_to_top", _("&Top"), "LayerToTop",
1226                    helptext = _("Put selected layer to the top"),
1227                    sensitive = _has_selected_layer)
1228    _method_command("layer_to_bottom", _("&Bottom"), "LayerToBottom",
1229                    helptext = _("Put selected layer to the bottom"),
1230                    sensitive = _has_selected_layer)
1231    _method_command("layer_visibility", _("&Visible"), "ToggleLayerVisibility",
1232                    checked = _has_selected_layer_visible,
1233                    helptext = _("Toggle visibility of selected layer"),
1234                    sensitive = _has_selected_layer)
1235    
1236  def _can_unjoin(context):  def _can_unjoin(context):
1237      """Return whether the Layer/Unjoin command can be executed.      """Return whether the Layer/Unjoin command can be executed.
1238    
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