/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 1995 by bh, Mon Dec 1 16:09:10 2003 UTC revision 2184 by jan, Fri Apr 16 08:21:12 2004 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 134  class MainWindow(DockFrame): Line 134  class MainWindow(DockFrame):
134          """          """
135          if channel in self.delegated_messages:          if channel in self.delegated_messages:
136              object = getattr(self, self.delegated_messages[channel])              object = getattr(self, self.delegated_messages[channel])
137              object.Unsubscribe(channel, *args)              try:
138                    object.Unsubscribe(channel, *args)
139                except wxPyDeadObjectError:
140                    # The object was a wxObject and has already been
141                    # destroyed. Hopefully it has unsubscribed all its
142                    # subscribers already so that it's OK if we do nothing
143                    # here
144                    pass
145    
146      def __getattr__(self, attr):      def __getattr__(self, attr):
147          """If attr is one of the delegated methods return that method          """If attr is one of the delegated methods return that method
# Line 371  class MainWindow(DockFrame): Line 378  class MainWindow(DockFrame):
378    
379      def OpenSession(self):      def OpenSession(self):
380          if self.save_modified_session() != wxID_CANCEL:          if self.save_modified_session() != wxID_CANCEL:
381              dlg = wxFileDialog(self, _("Open Session"), ".", "",              dlg = wxFileDialog(self, _("Open Session"),
382                                   self.application.Path("data"), "",
383                                 "Thuban Session File (*.thuban)|*.thuban",                                 "Thuban Session File (*.thuban)|*.thuban",
384                                 wxOPEN)                                 wxOPEN)
385              if dlg.ShowModal() == wxID_OK:              if dlg.ShowModal() == wxID_OK:
386                  self.application.OpenSession(dlg.GetPath(),                  self.application.OpenSession(dlg.GetPath(),
387                                               self.run_db_param_dialog)                                               self.run_db_param_dialog)
388                    self.application.SetPath("data", dlg.GetPath())
389              dlg.Destroy()              dlg.Destroy()
390    
391      def run_db_param_dialog(self, parameters, message):      def run_db_param_dialog(self, parameters, message):
# Line 391  class MainWindow(DockFrame): Line 400  class MainWindow(DockFrame):
400              self.application.SaveSession()              self.application.SaveSession()
401    
402      def SaveSessionAs(self):      def SaveSessionAs(self):
403          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"),
404                               self.application.Path("data"), "",
405                             "Thuban Session File (*.thuban)|*.thuban",                             "Thuban Session File (*.thuban)|*.thuban",
406                             wxSAVE|wxOVERWRITE_PROMPT)                             wxSAVE|wxOVERWRITE_PROMPT)
407          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
408              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
409              self.application.SaveSession()              self.application.SaveSession()
410                self.application.SetPath("data",dlg.GetPath())
411          dlg.Destroy()          dlg.Destroy()
412    
413      def Exit(self):      def Exit(self):
# Line 461  class MainWindow(DockFrame): Line 472  class MainWindow(DockFrame):
472          dialog.Raise()          dialog.Raise()
473    
474      def AddLayer(self):      def AddLayer(self):
475          dlg = wxFileDialog(self, _("Select one or more data files"), ".", "",          dlg = wxFileDialog(self, _("Select one or more data files"),
476                               self.application.Path("data"), "",
477                             _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +                             _("Shapefiles (*.shp)") + "|*.shp;*.SHP|" +
478                             _("All Files (*.*)") + "|*.*",                             _("All Files (*.*)") + "|*.*",
479                             wxOPEN | wxMULTIPLE)                             wxOPEN | wxMULTIPLE)
# Line 484  class MainWindow(DockFrame): Line 496  class MainWindow(DockFrame):
496                          # if we're adding a layer to an empty map, fit the                          # if we're adding a layer to an empty map, fit the
497                          # new map to the window                          # new map to the window
498                          self.canvas.FitMapToWindow()                          self.canvas.FitMapToWindow()
499                        self.application.SetPath("data",filename)
500          dlg.Destroy()          dlg.Destroy()
501    
502      def AddRasterLayer(self):      def AddRasterLayer(self):
503          dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select an image file"),
504                               self.application.Path("data"), "", "*.*",
505                             wxOPEN)                             wxOPEN)
506          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
507              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 506  class MainWindow(DockFrame): Line 520  class MainWindow(DockFrame):
520                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
521                      # new map to the window                      # new map to the window
522                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
523                    self.application.SetPath("data", filename)
524          dlg.Destroy()          dlg.Destroy()
525    
526      def AddDBLayer(self):      def AddDBLayer(self):
# Line 514  class MainWindow(DockFrame): Line 529  class MainWindow(DockFrame):
529          dlg = ChooseDBTableDialog(self, self.application.Session())          dlg = ChooseDBTableDialog(self, self.application.Session())
530    
531          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
532              dbconn, dbtable = dlg.GetTable()              dbconn, dbtable, id_column, geo_column = dlg.GetTable()
533              try:              try:
534                  title = str(dbtable)                  title = str(dbtable)
535    
536                  # Chose the correct Interface for the database type                  # Chose the correct Interface for the database type
537                  store = PostGISShapeStore(dbconn, dbtable)                  store = session.OpenDBShapeStore(dbconn, dbtable,
538                  session.AddShapeStore(store)                                                   id_column = id_column,
539                                                     geometry_column = geo_column)
540                  layer = Layer(title, store)                  layer = Layer(title, store)
541              except:              except:
542                  # Some error occured while initializing the layer                  # Some error occured while initializing the layer
543                  self.RunMessageBox(_("Add Layer from database"),                  self.RunMessageBox(_("Add Layer from database"),
544                                     _("Can't open the database table '%s'")                                     _("Can't open the database table '%s'")
545                                     % dbtable)                                     % dbtable)
546                    return
547    
548              map = self.canvas.Map()              map = self.canvas.Map()
549    
# Line 576  class MainWindow(DockFrame): Line 593  class MainWindow(DockFrame):
593          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
594          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
595    
596        def has_selected_shape_layer(self):
597            """Return true if a shape layer is currently selected"""
598            return isinstance(self.current_layer(), Layer)
599    
600      def has_selected_shapes(self):      def has_selected_shapes(self):
601          """Return true if a shape is currently selected"""          """Return true if a shape is currently selected"""
602          return self.canvas.HasSelectedShapes()          return self.canvas.HasSelectedShapes()
# Line 608  class MainWindow(DockFrame): Line 629  class MainWindow(DockFrame):
629          return layer is not None and hasattr(layer, "ShapeStore")          return layer is not None and hasattr(layer, "ShapeStore")
630    
631      def LayerShowTable(self):      def LayerShowTable(self):
632            """
633            Present a TableView Window for the current layer.
634            In case the window is already open, bring it to the front.
635            In case, there is no active layer, do nothing.
636            In case, the layer has not ShapeStore, raise a corresponding message dialog
637            and do nothing else.
638            """
639          layer = self.current_layer()          layer = self.current_layer()
640          if layer is not None:          if layer is not None:
641                if not hasattr(layer, "ShapeStore"):
642                    self.RunMessageBox(_("Show Table"),
643                                       _("The layer '%s' has no table." % layer.Title()))
644                    return
645              table = layer.ShapeStore().Table()              table = layer.ShapeStore().Table()
646              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
647              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
# Line 620  class MainWindow(DockFrame): Line 652  class MainWindow(DockFrame):
652                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
653                  dialog.Show(True)                  dialog.Show(True)
654              else:              else:
655                  # FIXME: bring dialog to front here                  dialog.Raise()
                 pass  
656    
657      def MapProjection(self):      def MapProjection(self):
658    
# Line 711  class MainWindow(DockFrame): Line 742  class MainWindow(DockFrame):
742          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
743    
744      def TableOpen(self):      def TableOpen(self):
745          dlg = wxFileDialog(self, _("Open Table"), ".", "",          dlg = wxFileDialog(self, _("Open Table"),
746                               self.application.Path("data"), "",
747                             _("DBF Files (*.dbf)") + "|*.dbf|" +                             _("DBF Files (*.dbf)") + "|*.dbf|" +
748                             #_("CSV Files (*.csv)") + "|*.csv|" +                             #_("CSV Files (*.csv)") + "|*.csv|" +
749                             _("All Files (*.*)") + "|*.*",                             _("All Files (*.*)") + "|*.*",
# Line 727  class MainWindow(DockFrame): Line 759  class MainWindow(DockFrame):
759                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
760              else:              else:
761                  self.ShowTableView(table)                  self.ShowTableView(table)
762                    self.application.SetPath("data",filename)
763    
764      def TableClose(self):      def TableClose(self):
765          tables = self.application.session.UnreferencedTables()          tables = self.application.session.UnreferencedTables()
# Line 803  class MainWindow(DockFrame): Line 836  class MainWindow(DockFrame):
836    
837          # Second, let the user rename the layers          # Second, let the user rename the layers
838          for table in to_rename:          for table in to_rename:
839              dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",              dlg = wxTextEntryDialog(self, _("Table Title:"), _("Rename Table"),
840                                      table.Title())                                      table.Title())
841              try:              try:
842                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 852  class MainWindow(DockFrame): Line 885  class MainWindow(DockFrame):
885          self.canvas.Print()          self.canvas.Print()
886    
887      def RenameMap(self):      def RenameMap(self):
888          dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",          dlg = wxTextEntryDialog(self, _("Map Title:"), _("Rename Map"),
889                                  self.Map().Title())                                  self.Map().Title())
890          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
891              title = dlg.GetValue()              title = dlg.GetValue()
# Line 865  class MainWindow(DockFrame): Line 898  class MainWindow(DockFrame):
898          """Let the user rename the currently selected layer"""          """Let the user rename the currently selected layer"""
899          layer = self.current_layer()          layer = self.current_layer()
900          if layer is not None:          if layer is not None:
901              dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",              dlg = wxTextEntryDialog(self, _("Layer Title:"), _("Rename Layer"),
902                                      layer.Title())                                      layer.Title())
903              try:              try:
904                  if dlg.ShowModal() == wxID_OK:                  if dlg.ShowModal() == wxID_OK:
# Line 964  def _has_selected_layer(context): Line 997  def _has_selected_layer(context):
997      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
998      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
999    
1000    def _has_selected_shape_layer(context):
1001        """Return true if a shape layer is selected in the context"""
1002        return context.mainwindow.has_selected_shape_layer()
1003    
1004  def _has_selected_shapes(context):  def _has_selected_shapes(context):
1005      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
1006      return context.mainwindow.has_selected_shapes()      return context.mainwindow.has_selected_shapes()
# Line 1100  _method_command("layer_hide", _("&Hide") Line 1137  _method_command("layer_hide", _("&Hide")
1137                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1138  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1139                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1140                  sensitive = _has_selected_layer)                  sensitive = _has_selected_shape_layer)
1141  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1142                  sensitive = _has_selected_layer,                  sensitive = _has_selected_layer,
1143                  helptext = _("Edit the properties of the selected layer"))                  helptext = _("Edit the properties of the selected layer"))
1144  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1145                  sensitive = _has_selected_layer,                  sensitive = _has_selected_shape_layer,
1146                  helptext = _("Join and attach a table to the selected layer"))                  helptext = _("Join and attach a table to the selected layer"))
1147    
1148  def _can_unjoin(context):  def _can_unjoin(context):
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