/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 374 by jan, Mon Jan 27 14:20:02 2003 UTC revision 1023 by jan, Fri May 23 14:20:16 2003 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001, 2002 by Intevation GmbH  # Copyright (C) 2001, 2002, 2003 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]>
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 12  The main window Line 13  The main window
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    
16    __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"
17    #__BuildDate__ = "$Date$"
18    
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 27  import view Line 36  import view
36  import tree  import tree
37  import proj4dialog  import proj4dialog
38  import tableview, identifyview  import tableview, identifyview
39  import classifier  from Thuban.UI.classifier import Classifier
40    import legend
41  from menu import Menu  from menu import Menu
42    
43  from context import Context  from context import Context
44  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
45  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
46    
47    from Thuban.UI.dock import DockFrame
48    from Thuban.UI.join import JoinDialog
49    
50    import resource
51    
52    import projdialog
53    
 # the directory where the toolbar icons are stored  
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
54    
55    
56  class MainWindow(wxFrame):  class MainWindow(DockFrame):
57    
58        # Some messages that can be subscribed/unsubscribed directly through
59        # the MapCanvas come in fact from other objects. This is a map to
60        # map those messages to the names of the instance variables they
61        # actually come from. This delegation is implemented in the
62        # Subscribe and unsubscribed methods
63        delegated_messages = {LAYER_SELECTED: "canvas",
64                              SHAPES_SELECTED: "canvas"}
65    
66        # Methods delegated to some instance variables. The delegation is
67        # implemented in the __getattr__ method.
68        delegated_methods = {"SelectLayer": "canvas",
69                             "SelectShapes": "canvas",
70                             "SelectedShapes": "canvas",
71                             }
72    
73      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
74                   initial_message = None, size = wxSize(-1, -1)):                   initial_message = None, size = wxSize(-1, -1)):
75          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)          DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
76            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
77    
78          self.application = application          self.application = application
         self.interactor = interactor  
79    
80          self.CreateStatusBar()          self.CreateStatusBar()
81          if initial_message:          if initial_message:
# Line 65  class MainWindow(wxFrame): Line 93  class MainWindow(wxFrame):
93          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
94          toolbar.Realize()          toolbar.Realize()
95    
96    
97          # Create the map canvas          # Create the map canvas
98          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
99          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
100            canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
101          self.canvas = canvas          self.canvas = canvas
102    
103          self.init_dialogs()          self.SetMainWindow(self.canvas)
104    
105          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          self.SetAutoLayout(True)
106    
107            self.init_dialogs()
108    
109          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
110    
111        def Subscribe(self, channel, *args):
112            """Subscribe a function to a message channel.
113    
114            If channel is one of the delegated messages call the appropriate
115            object's Subscribe method. Otherwise do nothing.
116            """
117            if channel in self.delegated_messages:
118                object = getattr(self, self.delegated_messages[channel])
119                object.Subscribe(channel, *args)
120            else:
121                print "Trying to subscribe to unsupported channel %s" % channel
122    
123        def Unsubscribe(self, channel, *args):
124            """Unsubscribe a function from a message channel.
125    
126            If channel is one of the delegated messages call the appropriate
127            object's Unsubscribe method. Otherwise do nothing.
128            """
129            if channel in self.delegated_messages:
130                object = getattr(self, self.delegated_messages[channel])
131                object.Unsubscribe(channel, *args)
132    
133        def __getattr__(self, attr):
134            """If attr is one of the delegated methods return that method
135    
136            Otherwise raise AttributeError.
137            """
138            if attr in self.delegated_methods:
139                return getattr(getattr(self, self.delegated_methods[attr]), attr)
140            raise AttributeError(attr)
141    
142      def init_ids(self):      def init_ids(self):
143          """Initialize the ids"""          """Initialize the ids"""
144          self.current_id = 6000          self.current_id = 6000
# Line 185  class MainWindow(wxFrame): Line 248  class MainWindow(wxFrame):
248              command = registry.Command(name)              command = registry.Command(name)
249              if command is not None:              if command is not None:
250                  ID = self.get_id(name)                  ID = self.get_id(name)
251                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
252                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
253                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
254                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
255                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
# Line 296  class MainWindow(wxFrame): Line 359  class MainWindow(wxFrame):
359              result = wxID_NO              result = wxID_NO
360          return result          return result
361    
362        def prepare_new_session(self):
363            for d in self.dialogs.values():
364                if not isinstance(d, tree.SessionTreeView):
365                    d.Close()
366    
367      def NewSession(self):      def NewSession(self):
368          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
369          self.application.SetSession(create_empty_session())              self.prepare_new_session()
370                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, _("Select a session file"), ".", "",              dlg = wxFileDialog(self, _("Open Session"), ".", "",
375                             "*.thuban", wxOPEN)                                 "Thuban Session File (*.thuban)|*.thuban",
376          if dlg.ShowModal() == wxID_OK:                                 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:
384              self.SaveSessionAs()              self.SaveSessionAs()
385          self.application.SaveSession()          else:
386                self.application.SaveSession()
387    
388      def SaveSessionAs(self):      def SaveSessionAs(self):
389          dlg = wxFileDialog(self, _("Enter a filename for session"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
390                             "*.thuban", wxOPEN)                             "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()
395          dlg.Destroy()          dlg.Destroy()
396    
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())
# Line 333  class MainWindow(wxFrame): Line 406  class MainWindow(wxFrame):
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)
410              self.Destroy()              self.Destroy()
411    
412      def SetMap(self, map):      def SetMap(self, map):
413          self.canvas.SetMap(map)          self.canvas.SetMap(map)
414            self.__SetTitle(map.Title())
415    
416            dialog = self.FindRegisteredDock("legend")
417            if dialog is not None:
418                dialog.GetPanel().SetMap(self.Map())
419    
420      def Map(self):      def Map(self):
421          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
422    
423          return self.canvas.Map()          return self.canvas.Map()
424    
425      def ShowSessionTree(self):      def ToggleSessionTree(self):
426            """If the session tree is shown close it otherwise create a new tree"""
427          name = "session_tree"          name = "session_tree"
428          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
429          if dialog is None:          if dialog is None:
430              dialog = tree.SessionTreeView(self, self.application, name)              dialog = tree.SessionTreeView(self, self.application, name)
431              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
432              dialog.Show(true)              dialog.Show(True)
433          else:          else:
434              # FIXME: bring dialog to front here              dialog.Close()
435              pass  
436        def SessionTreeShown(self):
437            """Return true iff the session tree is currently shown"""
438            return self.get_open_dialog("session_tree") is not None
439    
440      def About(self):      def About(self):
441          self.RunMessageBox(_("About"),          self.RunMessageBox(_("About"),
442                             _("Thuban is a program for\n"                             _("Thuban %s\n"
443                                #"Build Date: %s\n"
444                                "using:\n"
445                                "  %s\n"
446                                "  %s\n\n"
447                                "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 GPL"),                              "Thuban is licensed under the GNU GPL"
451                                % (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 367  class MainWindow(wxFrame): Line 461  class MainWindow(wxFrame):
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]
             layer = Layer(title, filename)  
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:                  if not has_layers:
476                      # if we're adding a layer to an empty map, for the                      # 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:
498                        # if we're adding a layer to an empty map, fit the
499                      # new map to the window                      # new map to the window
500                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
501          dlg.Destroy()          dlg.Destroy()
# Line 391  class MainWindow(wxFrame): Line 508  class MainWindow(wxFrame):
508      def CanRemoveLayer(self):      def CanRemoveLayer(self):
509          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
510    
511          If no layer is selected return false.          If no layer is selected return False.
512    
513          The return value of this method determines whether the remove          The return value of this method determines whether the remove
514          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 399  class MainWindow(wxFrame): Line 516  class MainWindow(wxFrame):
516          layer = self.current_layer()          layer = self.current_layer()
517          if layer is not None:          if layer is not None:
518              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
519          return 0          return False
520    
521      def RaiseLayer(self):      def RaiseLayer(self):
522          layer = self.current_layer()          layer = self.current_layer()
# Line 416  class MainWindow(wxFrame): Line 533  class MainWindow(wxFrame):
533    
534          If no layer is selected, return None          If no layer is selected, return None
535          """          """
536          return self.interactor.SelectedLayer()          return self.canvas.SelectedLayer()
537    
538      def has_selected_layer(self):      def has_selected_layer(self):
539          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
540          return self.interactor.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
   
     def choose_color(self):  
         """Run the color selection dialog and return the selected color.  
541    
542          If the user cancels, return None.      def has_selected_shapes(self):
543          """          """Return true if a shape is currently selected"""
544          dlg = wxColourDialog(self)          return self.canvas.HasSelectedShapes()
         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  
   
     def LayerFillColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.SetFill(color)  
   
     def LayerTransparentFill(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetFill(None)  
   
     def LayerOutlineColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.SetStroke(color)  
   
     def LayerNoOutline(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetStroke(None)  
545    
546      def HideLayer(self):      def HideLayer(self):
547          layer = self.current_layer()          layer = self.current_layer()
# Line 479  class MainWindow(wxFrame): Line 560  class MainWindow(wxFrame):
560              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
561              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
562              if dialog is None:              if dialog is None:
563                  dialog = tableview.LayerTableFrame(self, self.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
564                                                     _("Table: %s") % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
565                                                     layer, table)                                           layer, table)
566                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
567                  dialog.Show(true)                  dialog.Show(true)
568              else:              else:
569                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
570                  pass                  pass
571    
572      def Projection(self):      def MapProjection(self):
573          map = self.canvas.Map()  
574          proj = map.projection          name = "map_projection"
575          if proj is None:          dialog = self.get_open_dialog(name)
576              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
577            if dialog is None:
578                map = self.canvas.Map()
579                dialog = projdialog.ProjFrame(self, name,
580                         _("Map Projection: %s") % map.Title(), map)
581                self.add_dialog(name, dialog)
582                dialog.Show()
583            dialog.Raise()
584    
585        def LayerProjection(self):
586    
587            layer = self.current_layer()
588    
589            name = "layer_projection" + str(id(layer))
590            dialog = self.get_open_dialog(name)
591    
592            if dialog is None:
593                map = self.canvas.Map()
594                dialog = projdialog.ProjFrame(self, name,
595                         _("Layer Projection: %s") % layer.Title(), layer)
596                self.add_dialog(name, dialog)
597                dialog.Show()
598            dialog.Raise()
599    
600        def LayerEditProperties(self):
601    
602            #
603            # the menu option for this should only be available if there
604            # is a current layer, so we don't need to check if the
605            # current layer is None
606            #
607    
608            layer = self.current_layer()
609            self.OpenLayerProperties(layer)
610    
611        def OpenLayerProperties(self, layer, group = None):
612            name = "layer_properties" + str(id(layer))
613            dialog = self.get_open_dialog(name)
614    
615            if dialog is None:
616                dialog = Classifier(self, name, layer, group)
617                self.add_dialog(name, dialog)
618                dialog.Show()
619            dialog.Raise()
620    
621        def LayerJoinTable(self):
622            print "LayerJoinTable: Not implemented."
623    
624        def LayerUnjoinTable(self):
625            print "LayerUnjoinTable: Not implemented."
626    
627        def ShowLegend(self):
628            if not self.LegendShown():
629                self.ToggleLegend()
630    
631        def ToggleLegend(self):
632            """Show the legend if it's not shown otherwise hide it again"""
633            name = "legend"
634            dialog = self.FindRegisteredDock(name)
635    
636            if dialog is None:
637                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
638                legend.LegendPanel(dialog, None, self)
639                dialog.Dock()
640                dialog.GetPanel().SetMap(self.Map())
641                dialog.Show()
642          else:          else:
643              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,              dialog.Show(not dialog.IsShown())
644                                                 map.BoundingBox())  
645          if proj4Dlg.ShowModal() == wxID_OK:      def LegendShown(self):
646              params = proj4Dlg.GetParams()          """Return true iff the legend is currently open"""
647              if params is not None:          dialog = self.FindRegisteredDock("legend")
648                  proj = Projection(params)          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                    # XXX: if the table belongs to a layer, open a
684                    # LayerTableFrame instead of QueryTableFrame
685                    print "tables[i]:", tables[i]
686                    dialog = tableview.QueryTableFrame(self, table_list[i],
687                                                  _("Table: %s") % table_list[i],
688                                                  tables[i])
689                    self.add_dialog(table_list[i], dialog)
690                    dialog.Show(true)
691    
692            # XXX: just some analyis code, remove it when the above XXX is
693            # resolved.
694            for d in self.dialogs.values():
695                if isinstance(d, tableview.LayerTableFrame):
696                    print "LayerTable:", d.GetTitle()
697                elif isinstance(d, tableview.QueryTableFrame):
698                    print "QueryTable:", d.GetTitle()
699              else:              else:
700                  proj = None                  print "Other:", d.GetTitle()
701              map.SetProjection(proj)  
702          proj4Dlg.Destroy()      def TableHide(self):
703            print "TableHide: not implemented"
704      def Classify(self):  
705          classifyDlg = classifier.Classifier(NULL, self.current_layer())      def TableJoin(self):
706            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
707          classifyDlg.ShowModal()          dlg.ShowModal()
         classifyDlg.Destroy()  
708    
709      def ZoomInTool(self):      def ZoomInTool(self):
710          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 530  class MainWindow(wxFrame): Line 725  class MainWindow(wxFrame):
725      def FullExtent(self):      def FullExtent(self):
726          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
727    
728        def FullLayerExtent(self):
729            self.canvas.FitLayerToWindow(self.current_layer())
730    
731        def FullSelectionExtent(self):
732            self.canvas.FitSelectedToWindow()
733    
734        def ExportMap(self):
735            self.canvas.Export()
736    
737      def PrintMap(self):      def PrintMap(self):
738          self.canvas.Print()          self.canvas.Print()
739    
740      def identify_view_on_demand(self, layer, shape):      def RenameMap(self):
741            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
742                                    self.Map().Title())
743            if dlg.ShowModal() == wxID_OK:
744                title = dlg.GetValue()
745                if title != "":
746                    self.Map().SetTitle(title)
747                    self.__SetTitle(title)
748    
749            dlg.Destroy()
750    
751        def identify_view_on_demand(self, layer, shapes):
752            """Subscribed to the canvas' SHAPES_SELECTED message
753    
754            If the current tool is the identify tool, at least one shape is
755            selected and the identify dialog is not shown, show the dialog.
756            """
757            # If the selection has become empty we don't need to do
758            # anything. Otherwise it could happen that the dialog was popped
759            # up when the selection became empty, e.g. when a new selection
760            # is opened while the identify tool is active and dialog had
761            # been closed
762            if not shapes:
763                return
764    
765          name = "identify_view"          name = "identify_view"
766          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
767              if not self.dialog_open(name):              if not self.dialog_open(name):
768                  dialog = identifyview.IdentifyView(self, self.interactor, name)                  dialog = identifyview.IdentifyView(self, name)
769                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
770                  dialog.Show(true)                  dialog.Show(True)
771              else:              else:
772                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
773                  pass                  pass
774    
775        def __SetTitle(self, title):
776            self.SetTitle("Thuban - " + title)
777    
778  #  #
779  # Define all the commands available in the main window  # Define all the commands available in the main window
780  #  #
# Line 555  def call_method(context, methodname, *ar Line 786  def call_method(context, methodname, *ar
786      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
787    
788  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
789                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
790      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
791      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
792                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
793                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
794    
795  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
796      """Return a function that tests if the currently active tool is toolname      """Return a function that tests if the currently active tool is toolname
# Line 584  def _has_selected_layer(context): Line 815  def _has_selected_layer(context):
815      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
816      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
817    
818    def _has_selected_shapes(context):
819        """Return true if a layer is selected in the context"""
820        return context.mainwindow.has_selected_shapes()
821    
822  def _can_remove_layer(context):  def _can_remove_layer(context):
823      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
824    
825  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
826      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
827      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
828    
829  def _has_visible_map(context):  def _has_visible_map(context):
830      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 602  def _has_visible_map(context): Line 837  def _has_visible_map(context):
837                  return 1                  return 1
838      return 0      return 0
839    
840    def _has_legend_shown(context):
841        """Return true if the legend window is shown"""
842        return context.mainwindow.LegendShown()
843    
844    
845  # File menu  # File menu
846  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
847  _method_command("open_session", _("&Open Session"), "OpenSession")  _method_command("open_session", _("&Open Session..."), "OpenSession")
848  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
849  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs")
850  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
851                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
852    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
853                    checked = _has_legend_shown)
854  _method_command("exit", _("E&xit"), "Exit")  _method_command("exit", _("E&xit"), "Exit")
855    
856  # Help menu  # Help menu
857  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About")
858    
859    
860  # Map menu  # Map menu
861  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection")
862    
863  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
864                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 638  _tool_command("map_label_tool", _("&Labe Line 879  _tool_command("map_label_tool", _("&Labe
879  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
880                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
881                sensitive = _has_visible_map)                sensitive = _has_visible_map)
882    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
883                   helptext = _("Full Layer Extent"), icon = "fulllayerextent",
884                  sensitive = _has_selected_layer)
885    _method_command("selected_full_extent", _("&Full selection extent"), "FullSelectionExtent",
886                   helptext = _("Full Selection Extent"), icon = "fullselextent",
887                  sensitive = _has_selected_shapes)
888    _method_command("map_export", _("E&xport"), "ExportMap",
889                        helptext = _("Export the map to file"))
890  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
891                  helptext = _("Print the map"))                  helptext = _("Print the map"))
892    _method_command("map_rename", _("&Rename..."), "RenameMap",
893  # Layer menu                  helptext = _("Rename the map"))
894  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
895                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to active map"))
896    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
897                    helptext = _("Add a new image layer to active map"))
898  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
899                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer(s)"),
900                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
901  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
902                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
903                  sensitive = _has_selected_layer)  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
 _method_command("layer_transparent_fill", _("&Transparent Fill"),  
                 "LayerTransparentFill",  
                 helptext = _("Do not fill the selected layer(s)"),  
                 sensitive = _has_selected_layer)  
 _method_command("layer_outline_color", _("&Outline Color"), "LayerOutlineColor",  
                 helptext = _("Set the outline color of selected layer(s)"),  
                 sensitive = _has_selected_layer)  
 _method_command("layer_no_outline", _("&No Outline"), "LayerNoOutline",  
                 helptext= _("Do not draw the outline of the selected layer(s)"),  
904                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
905  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
906                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer(s)"),
# Line 675  _method_command("layer_hide", _("&Hide") Line 917  _method_command("layer_hide", _("&Hide")
917  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
918                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
919                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
920    _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
921  _method_command("layer_classifier", _("Classify"), "Classify",                  sensitive = _has_selected_layer)
922    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
923                    sensitive = _has_selected_layer)
924    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
925                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
926    
927  # the menu structure  # Table menu
928  main_menu = Menu("<main>", "<main>",  _method_command("table_open", _("&Open..."), "TableOpen")
929                   [Menu("file", _("&File"),  _method_command("table_close", _("&Close"), "TableClose")
930                         ["new_session", "open_session", None,  _method_command("table_show", _("&Show"), "TableShow")
931                          "save_session", "save_session_as", None,  _method_command("table_hide", _("&Hide"), "TableHide")
932                          "show_session_tree", None,  _method_command("table_join", _("&Join..."), "TableJoin")
933                          "exit"]),  
934                    Menu("map", _("&Map"),  #  Export only under Windows ...
935                         ["layer_add", "layer_remove",  map_menu = ["layer_add", "rasterlayer_add", "layer_remove", "map_rename",
936                          None,                          None,
937                          "map_projection",                          "map_projection",
938                          None,                          None,
939                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
940                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
941                            "map_full_extent",
942                            "layer_full_extent",
943                            "selected_full_extent",
944                          None,                          None,
945                          "map_full_extent",                          "map_identify_tool", "map_label_tool",
946                          None,                          None,
947                          "map_print"]),                          "toggle_legend",
948                            None]
949    if wxPlatform == '__WXMSW__':
950        map_menu.append("map_export")
951    map_menu.append("map_print")
952    
953    # the menu structure
954    main_menu = Menu("<main>", "<main>",
955                     [Menu("file", _("&File"),
956                           ["new_session", "open_session", None,
957                            "save_session", "save_session_as", None,
958                            "toggle_session_tree", None,
959                            "exit"]),
960                      Menu("map", _("&Map"), map_menu),
961                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
962                         ["layer_fill_color", "layer_transparent_fill",                          ["layer_raise", "layer_lower",
                         "layer_outline_color", "layer_no_outline",  
                         None,  
                         "layer_raise", "layer_lower",  
963                          None,                          None,
964                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
965                          None,                          None,
966                            "layer_projection",
967                            None,
968                          "layer_show_table",                          "layer_show_table",
969                            "layer_jointable",
970                            "layer_unjointable",
971                          None,                          None,
972                          "layer_classifier"]),                          "layer_properties"]),
973                      Menu("table", _("&Table"),
974                           ["table_open", "table_close",
975                           None,
976                           "table_show", "table_hide",
977                           None,
978                           "table_join"]),
979                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
980                         ["help_about"])])                         ["help_about"])])
981    
# Line 715  main_menu = Menu("<main>", "<main>", Line 983  main_menu = Menu("<main>", "<main>",
983    
984  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
985                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
986                       "map_full_extent", None,                       "map_full_extent",
987                         "layer_full_extent",
988                         "selected_full_extent",
989                         None,
990                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
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