/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 815 by jonathan, Mon May 5 15:04:57 2003 UTC revision 1014 by jan, Fri May 23 09:26:23 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 18  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$ Line 19  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$
19  import os  import os
20    
21  from wxPython.wx import *  from wxPython.wx import *
22    from wxPython.wx import __version__ as wxPython_version
23    
24    from wxPython.lib.dialogs import wxMultipleChoiceDialog
25    
26  import Thuban  import Thuban
27    import Thuban.version
28    
29  from Thuban import _  from Thuban import _
30  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
31  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer, RasterLayer
32  from Thuban.Model.color import Color  from Thuban.Model.color import Color
33  from Thuban.Model.proj import Projection  from Thuban.Model.proj import Projection
34    
# Line 39  from command import registry, Command, T Line 45  from command import registry, Command, T
45  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
46    
47  from Thuban.UI.dock import DockFrame  from Thuban.UI.dock import DockFrame
48    from Thuban.UI.join import JoinDialog
49    
50  import resource  import resource
51    
# 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                             "SelectedShapes": "canvas",
71                           }                           }
72    
73      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
# Line 98  class MainWindow(DockFrame): Line 106  class MainWindow(DockFrame):
106    
107          self.init_dialogs()          self.init_dialogs()
108    
109          EVT_CLOSE(self, self._OnClose)          EVT_CLOSE(self, self.OnClose)
110    
111      def Subscribe(self, channel, *args):      def Subscribe(self, channel, *args):
112          """Subscribe a function to a message channel.          """Subscribe a function to a message channel.
# Line 357  class MainWindow(DockFrame): Line 365  class MainWindow(DockFrame):
365                  d.Close()                  d.Close()
366    
367      def NewSession(self):      def NewSession(self):
368          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
369          self.prepare_new_session()              self.prepare_new_session()
370          self.application.SetSession(create_empty_session())              self.application.SetSession(create_empty_session())
371    
372      def OpenSession(self):      def OpenSession(self):
373          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
374          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
375          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
376              self.prepare_new_session()                                 wxOPEN)
377              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
378          dlg.Destroy()                  self.prepare_new_session()
379                    self.application.OpenSession(dlg.GetPath())
380                dlg.Destroy()
381    
382      def SaveSession(self):      def SaveSession(self):
383          if self.application.session.filename == None:          if self.application.session.filename == None:
# Line 377  class MainWindow(DockFrame): Line 387  class MainWindow(DockFrame):
387    
388      def SaveSessionAs(self):      def SaveSessionAs(self):
389          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
390                             "*.thuban", wxSAVE|wxOVERWRITE_PROMPT)                             "Thuban Session File (*.thuban)|*.thuban",
391                               wxSAVE|wxOVERWRITE_PROMPT)
392          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
393              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
394              self.application.SaveSession()              self.application.SaveSession()
# Line 386  class MainWindow(DockFrame): Line 397  class MainWindow(DockFrame):
397      def Exit(self):      def Exit(self):
398          self.Close(False)          self.Close(False)
399    
400      def _OnClose(self, event):      def OnClose(self, event):
401          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
402          if result == wxID_CANCEL:          if result == wxID_CANCEL:
403              event.Veto()              event.Veto()
# Line 395  class MainWindow(DockFrame): Line 406  class MainWindow(DockFrame):
406              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
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              self.Destroy()              self.Destroy()
411    
412      def SetMap(self, map):      def SetMap(self, map):
# Line 428  class MainWindow(DockFrame): Line 439  class MainWindow(DockFrame):
439    
440      def About(self):      def About(self):
441          self.RunMessageBox(_("About"),          self.RunMessageBox(_("About"),
442                             _("Thuban v%s\n"                             _("Thuban %s\n"
443                              #"Build Date: %s\n"                              #"Build Date: %s\n"
444                              "\n"                              "using:\n"
445                                "  %s\n"
446                                "  %s\n\n"
447                              "Thuban is a program for\n"                              "Thuban is a program for\n"
448                              "exploring geographic data.\n"                              "exploring geographic data.\n"
449                              "Copyright (C) 2001-2003 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
450                              "Thuban is licensed under the GNU GPL"                              "Thuban is licensed under the GNU GPL"
451                             % __ThubanVersion__), #__BuildDate__)),                              % (Thuban.version.longversion,
452                                   "wxPython %s" % wxPython_version,
453                                   "Python %d.%d.%d" % sys.version_info[:3]
454                                  )),
455    #                           % __ThubanVersion__), #__BuildDate__)),
456                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
457    
458      def AddLayer(self):      def AddLayer(self):
# Line 444  class MainWindow(DockFrame): Line 461  class MainWindow(DockFrame):
461          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
462              filename = dlg.GetPath()              filename = dlg.GetPath()
463              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)  
464              map = self.canvas.Map()              map = self.canvas.Map()
465              has_layers = map.HasLayers()              has_layers = map.HasLayers()
466              try:              try:
467                  map.AddLayer(layer)                  store = self.application.Session().OpenShapefile(filename)
468              except IOError:              except IOError:
469                  # the layer couldn't be opened                  # the layer couldn't be opened
470                  self.RunMessageBox(_("Add Layer"),                  self.RunMessageBox(_("Add Layer"),
471                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
472              else:              else:
473                    layer = Layer(title, store)
474                    map.AddLayer(layer)
475                    if not has_layers:
476                        # if we're adding a layer to an empty map, fit the
477                        # new map to the window
478                        self.canvas.FitMapToWindow()
479            dlg.Destroy()
480    
481        def AddRasterLayer(self):
482            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
483                               wxOPEN)
484            if dlg.ShowModal() == wxID_OK:
485                filename = dlg.GetPath()
486                title = os.path.splitext(os.path.basename(filename))[0]
487                map = self.canvas.Map()
488                has_layers = map.HasLayers()
489                try:
490                    layer = RasterLayer(title, filename)
491                except IOError:
492                    # the layer couldn't be opened
493                    self.RunMessageBox(_("Add Image Layer"),
494                                       _("Can't open the file '%s'.") % filename)
495                else:
496                    map.AddLayer(layer)
497                  if not has_layers:                  if not has_layers:
498                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
499                      # new map to the window                      # new map to the window
# Line 500  class MainWindow(DockFrame): Line 539  class MainWindow(DockFrame):
539          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
540          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
541    
542      def choose_color(self):      def has_selected_shapes(self):
543          """Run the color selection dialog and return the selected color.          """Return true if a shape is currently selected"""
544            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  
545    
546      def HideLayer(self):      def HideLayer(self):
547          layer = self.current_layer()          layer = self.current_layer()
# Line 591  class MainWindow(DockFrame): Line 618  class MainWindow(DockFrame):
618              dialog.Show()              dialog.Show()
619          dialog.Raise()          dialog.Raise()
620    
621        def LayerJoinTable(self):
622            print "LayerJoinTable"
623    
624        def LayerUnjoinTable(self):
625            print "LayerUnjoinTable"
626    
627      def ShowLegend(self):      def ShowLegend(self):
628          if not self.LegendShown():          if not self.LegendShown():
# Line 615  class MainWindow(DockFrame): Line 647  class MainWindow(DockFrame):
647          dialog = self.FindRegisteredDock("legend")          dialog = self.FindRegisteredDock("legend")
648          return dialog is not None and dialog.IsShown()          return dialog is not None and dialog.IsShown()
649    
650        def TableOpen(self):
651            print "TableOpen: not implemented"
652            dlg = wxFileDialog(self, _("Open Table"), ".", "",
653                               "DBF Files (*.dbf)|*.dbf|" +
654                               "CSV Files (*.csv)|*.csv|" +
655                               "All Files (*.*)|*.*",
656                               wxOPEN)
657            if dlg.ShowModal() == wxID_OK:
658                #self.application.session.OpenTable(dlg.GetPath())
659                pass
660    
661            dlg.Destroy()
662    
663        def TableClose(self):
664            print "TableClose: not implemented"
665    
666        def TableShow(self):
667            """Offer a multi-selection dialog for tables to be displayed
668            
669            The windows for the selected tables are opened or brought to
670            the front.
671            """
672            tables = self.application.session.Tables()
673            table_list = []
674            for table in tables:
675                table_list.append(table.Title())
676    
677            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
678                                         _("Show Table"), table_list)
679            if (dlg.ShowModal() == wxID_OK):
680                for i in dlg.GetValue():
681                    # XXX: First check whether the dialog is already open
682                    # and if so, bring it to the front.
683                    dialog = tableview.QueryTableFrame(self, table_list[i],
684                                                  _("Table: %s") % table_list[i],
685                                                  tables[i])
686                    self.add_dialog(table_list[i], dialog)
687                    dialog.Show(true)
688    
689            # XXX: just some analyis code, remove it when the above XXX is
690            # resolved.
691            for d in self.dialogs.values():
692                if isinstance(d, tableview.LayerTableFrame):
693                    print "LayerTable:", d.GetTitle()
694                elif isinstance(d, tableview.QueryTableFrame):
695                    print "QueryTable:", d.GetTitle()
696                else:
697                    print "Other:", d.GetTitle()
698    
699        def TableHide(self):
700            print "TableHide: not implemented"
701    
702        def TableJoin(self):
703            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
704            dlg.ShowModal()
705    
706      def ZoomInTool(self):      def ZoomInTool(self):
707          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
708    
# Line 634  class MainWindow(DockFrame): Line 722  class MainWindow(DockFrame):
722      def FullExtent(self):      def FullExtent(self):
723          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
724    
725        def FullLayerExtent(self):
726            self.canvas.FitLayerToWindow(self.current_layer())
727    
728        def FullSelectionExtent(self):
729            self.canvas.FitSelectedToWindow()
730    
731        def ExportMap(self):
732            self.canvas.Export()
733    
734      def PrintMap(self):      def PrintMap(self):
735          self.canvas.Print()          self.canvas.Print()
736    
# Line 715  def _has_selected_layer(context): Line 812  def _has_selected_layer(context):
812      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
813      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
814    
815    def _has_selected_shapes(context):
816        """Return true if a layer is selected in the context"""
817        return context.mainwindow.has_selected_shapes()
818    
819  def _can_remove_layer(context):  def _can_remove_layer(context):
820      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
821    
# Line 775  _tool_command("map_label_tool", _("&Labe Line 876  _tool_command("map_label_tool", _("&Labe
876  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
877                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
878                sensitive = _has_visible_map)                sensitive = _has_visible_map)
879    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
880                   helptext = _("Full Layer Extent"), icon = "fulllayerextent",
881                  sensitive = _has_selected_layer)
882    _method_command("selected_full_extent", _("&Full selection extent"), "FullSelectionExtent",
883                   helptext = _("Full Selection Extent"), icon = "fullselextent",
884                  sensitive = _has_selected_shapes)
885    _method_command("map_export", _("E&xport"), "ExportMap",
886                        helptext = _("Export the map to file"))
887  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
888                  helptext = _("Print the map"))                  helptext = _("Print the map"))
889  _method_command("map_rename", _("&Rename..."), "RenameMap",  _method_command("map_rename", _("&Rename..."), "RenameMap",
890                  helptext = _("Rename the map"))                  helptext = _("Rename the map"))
891  _method_command("layer_add", _("&Add Layer..."), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
892                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to active map"))
893    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
894                    helptext = _("Add a new image layer to active map"))
895  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
896                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
897                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
# Line 805  _method_command("layer_show_table", _("S Line 916  _method_command("layer_show_table", _("S
916                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
917  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
918                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
919    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
920                    sensitive = _has_selected_layer)
921    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
922                    sensitive = _has_selected_layer)
923    
924  # the menu structure  # Table menu
925  main_menu = Menu("<main>", "<main>",  _method_command("table_open", _("&Open..."), "TableOpen")
926                   [Menu("file", _("&File"),  _method_command("table_close", _("&Close"), "TableClose")
927                         ["new_session", "open_session", None,  _method_command("table_show", _("&Show"), "TableShow")
928                          "save_session", "save_session_as", None,  _method_command("table_hide", _("&Hide"), "TableHide")
929                          "toggle_session_tree", None,  _method_command("table_join", _("&Join..."), "TableJoin")
930                          "exit"]),  
931                    Menu("map", _("&Map"),  #  Export only under Windows ...
932                         ["layer_add", "layer_remove", "map_rename",  map_menu = ["layer_add", "rasterlayer_add", "layer_remove", "map_rename",
933                          None,                          None,
934                          "map_projection",                          "map_projection",
935                          None,                          None,
936                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
937                          "map_pan_tool", "map_full_extent",                          "map_pan_tool",
938                            "map_full_extent",
939                            "layer_full_extent",
940                            "selected_full_extent",
941                          None,                          None,
942                          "map_identify_tool", "map_label_tool",                          "map_identify_tool", "map_label_tool",
943                          None,                          None,
944                          "toggle_legend",                          "toggle_legend",
945                          None,                          None]
946                          "map_print"]),  if wxPlatform == '__WXMSW__':
947        map_menu.append("map_export")
948    map_menu.append("map_print")
949    
950    # the menu structure
951    main_menu = Menu("<main>", "<main>",
952                     [Menu("file", _("&File"),
953                           ["new_session", "open_session", None,
954                            "save_session", "save_session_as", None,
955                            "toggle_session_tree", None,
956                            "exit"]),
957                      Menu("map", _("&Map"), map_menu),
958                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
959                          ["layer_raise", "layer_lower",                          ["layer_raise", "layer_lower",
960                          None,                          None,
961                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
962                          None,                          None,
963                            "layer_projection",
964                            None,
965                          "layer_show_table",                          "layer_show_table",
966                            "layer_jointable",
967                            "layer_unjointable",
968                          None,                          None,
                         "layer_projection",  
969                          "layer_properties"]),                          "layer_properties"]),
970                      Menu("table", _("&Table"),
971                           ["table_open", "table_close",
972                           None,
973                           "table_show", "table_hide",
974                           None,
975                           "table_join"]),
976                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
977                         ["help_about"])])                         ["help_about"])])
978    
# Line 842  main_menu = Menu("<main>", "<main>", Line 980  main_menu = Menu("<main>", "<main>",
980    
981  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
982                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
983                       "map_full_extent", None,                       "map_full_extent",
984                         "layer_full_extent",
985                         "selected_full_extent",
986                         None,
987                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
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