/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 616 by jonathan, Mon Apr 7 08:57:38 2003 UTC revision 1448 by jonathan, Thu Jul 17 14:59:41 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 12  The main window Line 13  The main window
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    
16  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"  __ThubanVersion__ = "0.8" #"$THUBAN_0_2$"
17  #__BuildDate__ = "$Date$"  #__BuildDate__ = "$Date$"
18    
19  import os  import os
20    import copy
21    
22  from wxPython.wx import *  from wxPython.wx import *
23    from wxPython.wx import __version__ as wxPython_version
24    
25  import Thuban  import Thuban
26    import Thuban.version
27    
28  from Thuban import _  from Thuban import _
29  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
30  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer, RasterLayer
31  from Thuban.Model.color import Color  
32  from Thuban.Model.proj import Projection  # XXX: replace this by
33    # from wxPython.lib.dialogs import wxMultipleChoiceDialog
34    # when Thuban does not support wxPython 2.4.0 any more.
35    from Thuban.UI.multiplechoicedialog import wxMultipleChoiceDialog
36    
37  import view  import view
38  import tree  import tree
 import proj4dialog  
39  import tableview, identifyview  import tableview, identifyview
40  import classifier  from Thuban.UI.classifier import Classifier
41  import legend  import legend
42  from menu import Menu  from menu import Menu
43    
44  from context import Context  from context import Context
45  from command import registry, Command, ToolCommand  from command import registry, Command, ToolCommand
46  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, DOCKABLE_DOCKED, DOCKABLE_UNDOCKED, DOCKABLE_CLOSED  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
47    from about import About
 from Thuban.UI.dock import DockableWindow, DockFrame, DockPanel  
48    
49    from Thuban.UI.dock import DockFrame
50    from Thuban.UI.join import JoinDialog
51    
52  # the directory where the toolbar icons are stored  import resource
53  bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  import Thuban.Model.resource
 bitmapext = ".xpm"  
54    
55  ID_WINDOW_LEGEND = 4001  import projdialog
 ID_WINDOW_CANVAS = 4002  
56    
57    
58  class MainWindow(DockFrame):  class MainWindow(DockFrame):
# Line 63  class MainWindow(DockFrame): Line 69  class MainWindow(DockFrame):
69      # implemented in the __getattr__ method.      # implemented in the __getattr__ method.
70      delegated_methods = {"SelectLayer": "canvas",      delegated_methods = {"SelectLayer": "canvas",
71                           "SelectShapes": "canvas",                           "SelectShapes": "canvas",
72                             "SelectedLayer": "canvas",
73                             "SelectedShapes": "canvas",
74                           }                           }
75    
76      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
# Line 101  class MainWindow(DockFrame): Line 109  class MainWindow(DockFrame):
109    
110          self.init_dialogs()          self.init_dialogs()
111    
112          EVT_CLOSE(self, self._OnClose)          self.ShowLegend()
113    
114            EVT_CLOSE(self, self.OnClose)
115    
116      def Subscribe(self, channel, *args):      def Subscribe(self, channel, *args):
117          """Subscribe a function to a message channel.          """Subscribe a function to a message channel.
# Line 243  class MainWindow(DockFrame): Line 253  class MainWindow(DockFrame):
253              command = registry.Command(name)              command = registry.Command(name)
254              if command is not None:              if command is not None:
255                  ID = self.get_id(name)                  ID = self.get_id(name)
256                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
257                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
258                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
259                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
260                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
# Line 360  class MainWindow(DockFrame): Line 370  class MainWindow(DockFrame):
370                  d.Close()                  d.Close()
371    
372      def NewSession(self):      def NewSession(self):
373          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
374          self.prepare_new_session()              self.prepare_new_session()
375          self.application.SetSession(create_empty_session())              self.application.SetSession(create_empty_session())
376    
377      def OpenSession(self):      def OpenSession(self):
378          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
379          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)              dlg = wxFileDialog(self, _("Open Session"), ".", "",
380          if dlg.ShowModal() == wxID_OK:                                 "Thuban Session File (*.thuban)|*.thuban",
381              self.prepare_new_session()                                 wxOPEN)
382              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
383          dlg.Destroy()                  self.prepare_new_session()
384                    self.application.OpenSession(dlg.GetPath())
385                dlg.Destroy()
386    
387      def SaveSession(self):      def SaveSession(self):
388          if self.application.session.filename == None:          if self.application.session.filename == None:
# Line 380  class MainWindow(DockFrame): Line 392  class MainWindow(DockFrame):
392    
393      def SaveSessionAs(self):      def SaveSessionAs(self):
394          dlg = wxFileDialog(self, _("Save Session As"), ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
395                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
396                               wxSAVE|wxOVERWRITE_PROMPT)
397          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
398              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
399              self.application.SaveSession()              self.application.SaveSession()
400          dlg.Destroy()          dlg.Destroy()
401    
402      def Exit(self):      def Exit(self):
403          self.Close(false)          self.Close(False)
404    
405      def _OnClose(self, event):      def OnClose(self, event):
406          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
407          if result == wxID_CANCEL:          if result == wxID_CANCEL:
408              event.Veto()              event.Veto()
# Line 398  class MainWindow(DockFrame): Line 411  class MainWindow(DockFrame):
411              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
412              # yet.              # yet.
413              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
414              DockFrame._OnClose(self, event)              DockFrame.OnClose(self, event)
415                for dlg in self.dialogs.values():
416                    dlg.Destroy()
417                self.canvas.Destroy()
418              self.Destroy()              self.Destroy()
419    
420      def SetMap(self, map):      def SetMap(self, map):
421          self.canvas.SetMap(map)          self.canvas.SetMap(map)
422          #self.legendPanel.SetMap(map)          self.__SetTitle(map.Title())
423    
424            dialog = self.FindRegisteredDock("legend")
425            if dialog is not None:
426                dialog.GetPanel().SetMap(self.Map())
427    
428      def Map(self):      def Map(self):
429          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
430    
         # sanity check  
         #assert(self.canvas.Map() is self.legendPanel.GetMap())  
   
431          return self.canvas.Map()          return self.canvas.Map()
432    
433      def ShowSessionTree(self):      def ToggleSessionTree(self):
434            """If the session tree is shown close it otherwise create a new tree"""
435          name = "session_tree"          name = "session_tree"
436          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
437          if dialog is None:          if dialog is None:
# Line 421  class MainWindow(DockFrame): Line 439  class MainWindow(DockFrame):
439              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
440              dialog.Show(True)              dialog.Show(True)
441          else:          else:
442              # FIXME: bring dialog to front here              dialog.Close()
             pass  
443    
444        def SessionTreeShown(self):
445            """Return true iff the session tree is currently shown"""
446            return self.get_open_dialog("session_tree") is not None
447    
448      def About(self):      def About(self):
449          self.RunMessageBox(_("About"),          dlg = About(self)
450                             _("Thuban v%s\n"          dlg.ShowModal()
451                              #"Build Date: %s\n"          dlg.Destroy()
                             "\n"  
                             "Thuban is a program for\n"  
                             "exploring geographic data.\n"  
                             "Copyright (C) 2001-2003 Intevation GmbH.\n"  
                             "Thuban is licensed under the GNU GPL"  
                            % __ThubanVersion__), #__BuildDate__)),  
                            wxOK | wxICON_INFORMATION)  
452    
453      def AddLayer(self):      def AddLayer(self):
454          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
# Line 443  class MainWindow(DockFrame): Line 456  class MainWindow(DockFrame):
456          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
457              filename = dlg.GetPath()              filename = dlg.GetPath()
458              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
             layer = Layer(title, filename)  
459              map = self.canvas.Map()              map = self.canvas.Map()
460              has_layers = map.HasLayers()              has_layers = map.HasLayers()
461              try:              try:
462                  map.AddLayer(layer)                  store = self.application.Session().OpenShapefile(filename)
463              except IOError:              except IOError:
464                  # the layer couldn't be opened                  # the layer couldn't be opened
465                  self.RunMessageBox(_("Add Layer"),                  self.RunMessageBox(_("Add Layer"),
466                                     _("Can't open the file '%s'.") % filename)                                     _("Can't open the file '%s'.") % filename)
467              else:              else:
468                    layer = Layer(title, store)
469                    map.AddLayer(layer)
470                    if not has_layers:
471                        # if we're adding a layer to an empty map, fit the
472                        # new map to the window
473                        self.canvas.FitMapToWindow()
474            dlg.Destroy()
475    
476        def AddRasterLayer(self):
477            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
478                               wxOPEN)
479            if dlg.ShowModal() == wxID_OK:
480                filename = dlg.GetPath()
481                title = os.path.splitext(os.path.basename(filename))[0]
482                map = self.canvas.Map()
483                has_layers = map.HasLayers()
484                try:
485                    layer = RasterLayer(title, filename)
486                except IOError:
487                    # the layer couldn't be opened
488                    self.RunMessageBox(_("Add Image Layer"),
489                                       _("Can't open the file '%s'.") % filename)
490                else:
491                    map.AddLayer(layer)
492                  if not has_layers:                  if not has_layers:
493                      # if we're adding a layer to an empty map, fit the                      # if we're adding a layer to an empty map, fit the
494                      # new map to the window                      # new map to the window
# Line 467  class MainWindow(DockFrame): Line 503  class MainWindow(DockFrame):
503      def CanRemoveLayer(self):      def CanRemoveLayer(self):
504          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
505    
506          If no layer is selected return false.          If no layer is selected return False.
507    
508          The return value of this method determines whether the remove          The return value of this method determines whether the remove
509          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 475  class MainWindow(DockFrame): Line 511  class MainWindow(DockFrame):
511          layer = self.current_layer()          layer = self.current_layer()
512          if layer is not None:          if layer is not None:
513              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
514          return 0          return False
515    
516      def RaiseLayer(self):      def RaiseLayer(self):
517          layer = self.current_layer()          layer = self.current_layer()
# Line 498  class MainWindow(DockFrame): Line 534  class MainWindow(DockFrame):
534          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
535          return self.canvas.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
536    
537      def choose_color(self):      def has_selected_shapes(self):
538          """Run the color selection dialog and return the selected color.          """Return true if a shape is currently selected"""
539            return self.canvas.HasSelectedShapes()
540    
541          If the user cancels, return None.      def HideLayer(self):
         """  
         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  
   
     def LayerFillColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.GetClassification().SetDefaultFill(color)  
   
     def LayerTransparentFill(self):  
542          layer = self.current_layer()          layer = self.current_layer()
543          if layer is not None:          if layer is not None:
544              layer.GetClassification().SetDefaultFill(Color.Transparent)              layer.SetVisible(0)
545    
546      def LayerOutlineColor(self):      def ShowLayer(self):
547          layer = self.current_layer()          layer = self.current_layer()
548          if layer is not None:          if layer is not None:
549              color = self.choose_color()              layer.SetVisible(1)
             if color is not None:  
                 layer.GetClassification().SetDefaultLineColor(color)  
550    
551      def LayerNoOutline(self):      def DuplicateLayer(self):
552            """Ceate a new layer above the selected layer with the same shapestore
553            """
554          layer = self.current_layer()          layer = self.current_layer()
555          if layer is not None:          if layer is not None and hasattr(layer, "ShapeStore"):
556              layer.GetClassification().SetDefaultLineColor(Color.Transparent)              new_layer = Layer(_("Copy of `%s'") % layer.Title(),
557                                  layer.ShapeStore(),
558                                  projection = layer.GetProjection())
559                new_classification = copy.deepcopy(layer.GetClassification())
560                new_layer.SetClassification(new_classification)
561                self.Map().AddLayer(new_layer)
562    
563      def HideLayer(self):      def CanDuplicateLayer(self):
564            """Return whether the DuplicateLayer method can create a duplicate"""
565          layer = self.current_layer()          layer = self.current_layer()
566          if layer is not None:          return layer is not None and hasattr(layer, "ShapeStore")
             layer.SetVisible(0)  
           
     def ShowLayer(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetVisible(1)  
567    
568      def LayerShowTable(self):      def LayerShowTable(self):
569          layer = self.current_layer()          layer = self.current_layer()
570          if layer is not None:          if layer is not None:
571              table = layer.table              table = layer.ShapeStore().Table()
572              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
573              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
574              if dialog is None:              if dialog is None:
575                  dialog = tableview.LayerTableFrame(self, name,                  dialog = tableview.LayerTableFrame(self, name,
576                                                 _("Table: %s") % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
577                                                     layer, table)                                           layer, table)
578                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
579                  dialog.Show(true)                  dialog.Show(True)
580              else:              else:
581                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
582                  pass                  pass
583    
584      def Projection(self):      def MapProjection(self):
         map = self.canvas.Map()  
         proj = map.projection  
         if proj is None:  
             proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
         else:  
             proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,  
                                                map.BoundingBox())  
         if proj4Dlg.ShowModal() == wxID_OK:  
             params = proj4Dlg.GetParams()  
             if params is not None:  
                 proj = Projection(params)  
             else:  
                 proj = None  
             map.SetProjection(proj)  
         proj4Dlg.Destroy()  
585    
586      def Classify(self):          name = "map_projection"
587            dialog = self.get_open_dialog(name)
588    
589            if dialog is None:
590                map = self.canvas.Map()
591                dialog = projdialog.ProjFrame(self, name,
592                         _("Map Projection: %s") % map.Title(), map)
593                self.add_dialog(name, dialog)
594                dialog.Show()
595            dialog.Raise()
596    
597        def LayerProjection(self):
598    
599            layer = self.current_layer()
600    
601            name = "layer_projection" + str(id(layer))
602            dialog = self.get_open_dialog(name)
603    
604            if dialog is None:
605                map = self.canvas.Map()
606                dialog = projdialog.ProjFrame(self, name,
607                         _("Layer Projection: %s") % layer.Title(), layer)
608                self.add_dialog(name, dialog)
609                dialog.Show()
610            dialog.Raise()
611    
612        def LayerEditProperties(self):
613    
614          #          #
615          # the menu option for this should only be available if there          # the menu option for this should only be available if there
# Line 590  class MainWindow(DockFrame): Line 618  class MainWindow(DockFrame):
618          #          #
619    
620          layer = self.current_layer()          layer = self.current_layer()
621          self.OpenClassifier(layer)          self.OpenLayerProperties(layer)
622    
623      def OpenClassifier(self, layer, group = None):      def OpenLayerProperties(self, layer, group = None):
624          name = "classifier" + str(id(layer))          name = "layer_properties" + str(id(layer))
625          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
626    
627          if dialog is None:          if dialog is None:
628              dialog = classifier.Classifier(self, name, layer, group)              dialog = Classifier(self, name, self.Map(), layer, group)
629              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
630              dialog.Show()              dialog.Show()
631          dialog.Raise()          dialog.Raise()
632    
633        def LayerJoinTable(self):
634            layer = self.canvas.SelectedLayer()
635            if layer is not None:
636                dlg = JoinDialog(self, _("Join Layer with Table"),
637                                 self.application.session,
638                                 layer = layer)
639                dlg.ShowModal()
640    
641        def LayerUnjoinTable(self):
642            layer = self.canvas.SelectedLayer()
643            if layer is not None:
644                orig_store = layer.ShapeStore().OrigShapeStore()
645                if orig_store:
646                    layer.SetShapeStore(orig_store)
647    
648        def ShowLegend(self):
649            if not self.LegendShown():
650                self.ToggleLegend()
651    
652      def ShowLegend(self, switch = False):      def ToggleLegend(self):
653            """Show the legend if it's not shown otherwise hide it again"""
654          name = "legend"          name = "legend"
655          dialog = self.FindRegisteredDock(name)          dialog = self.FindRegisteredDock(name)
656    
657          if dialog is None:          if dialog is None:
658              title = "Legend: %s" % self.Map().Title()              dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
             dialog = self.CreateDock(name, -1, title, wxLAYOUT_LEFT)  
659              legend.LegendPanel(dialog, None, self)              legend.LegendPanel(dialog, None, self)
660              dialog.Dock()              dialog.Dock()
661                dialog.GetPanel().SetMap(self.Map())
662                dialog.Show()
663            else:
664                dialog.Show(not dialog.IsShown())
665    
666        def LegendShown(self):
667            """Return true iff the legend is currently open"""
668            dialog = self.FindRegisteredDock("legend")
669            return dialog is not None and dialog.IsShown()
670    
671        def TableOpen(self):
672            dlg = wxFileDialog(self, _("Open Table"), ".", "",
673                               _("DBF Files (*.dbf)") + "|*.dbf|" +
674                               #_("CSV Files (*.csv)") + "|*.csv|" +
675                               _("All Files (*.*)") + "|*.*",
676                               wxOPEN)
677            if dlg.ShowModal() == wxID_OK:
678                filename = dlg.GetPath()
679                dlg.Destroy()
680                try:
681                    table = self.application.session.OpenTableFile(filename)
682                except IOError:
683                    # the layer couldn't be opened
684                    self.RunMessageBox(_("Open Table"),
685                                       _("Can't open the file '%s'.") % filename)
686                else:
687                    self.ShowTableView(table)
688    
689        def TableClose(self):
690            tables = self.application.session.UnreferencedTables()
691    
692            lst = [(t.Title(), t) for t in tables]
693            lst.sort()
694            titles = [i[0] for i in lst]
695            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
696                                         _("Close Table"), titles,
697                                         size = (400, 300),
698                                         style = wxDEFAULT_DIALOG_STYLE |
699                                                 wxRESIZE_BORDER)
700            if dlg.ShowModal() == wxID_OK:
701                for i in dlg.GetValue():
702                    self.application.session.RemoveTable(lst[i][1])
703    
704    
705        def TableShow(self):
706            """Offer a multi-selection dialog for tables to be displayed
707    
708            The windows for the selected tables are opened or brought to
709            the front.
710            """
711            tables = self.application.session.Tables()
712    
713            lst = [(t.Title(), t) for t in tables]
714            lst.sort()
715            titles = [i[0] for i in lst]
716            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
717                                         _("Show Table"), titles,
718                                         size = (400,300),
719                                         style = wxDEFAULT_DIALOG_STYLE |
720                                                 wxRESIZE_BORDER)
721            if (dlg.ShowModal() == wxID_OK):
722                for i in dlg.GetValue():
723                    # XXX: if the table belongs to a layer, open a
724                    # LayerTableFrame instead of QueryTableFrame
725                    self.ShowTableView(lst[i][1])
726    
727        def TableJoin(self):
728            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
729            dlg.ShowModal()
730    
731        def ShowTableView(self, table):
732            """Open a table view for the table and optionally"""
733            name = "table_view%d" % id(table)
734            dialog = self.get_open_dialog(name)
735            if dialog is None:
736                dialog = tableview.QueryTableFrame(self, name,
737                                                   _("Table: %s") % table.Title(),
738                                                   table)
739                self.add_dialog(name, dialog)
740                dialog.Show(True)
741            dialog.Raise()
742    
743        def TableRename(self):
744            """Let the user rename a table"""
745    
746            # First, let the user select a table
747            tables = self.application.session.Tables()
748            lst = [(t.Title(), t) for t in tables]
749            lst.sort()
750            titles = [i[0] for i in lst]
751            dlg = wxMultipleChoiceDialog(self, _("Pick the table to rename:"),
752                                         _("Rename Table"), titles,
753                                         size = (400,300),
754                                         style = wxDEFAULT_DIALOG_STYLE |
755                                                 wxRESIZE_BORDER)
756            if (dlg.ShowModal() == wxID_OK):
757                to_rename = [lst[i][1] for i in dlg.GetValue()]
758                dlg.Destroy()
759            else:
760                to_rename = []
761    
762            # Second, let the user rename the layers
763            for table in to_rename:
764                dlg = wxTextEntryDialog(self, "Table Title: ", "Rename Table",
765                                        table.Title())
766                try:
767                    if dlg.ShowModal() == wxID_OK:
768                        title = dlg.GetValue()
769                        if title != "":
770                            table.SetTitle(title)
771    
772                            # Make sure the session is marked as modified.
773                            # FIXME: This should be handled automatically,
774                            # but that requires more changes to the tables
775                            # than I have time for currently.
776                            self.application.session.changed()
777                finally:
778                    dlg.Destroy()
779    
         dialog.GetPanel().SetMap(self.Map())  
         dialog.Show()  
780    
781      def ZoomInTool(self):      def ZoomInTool(self):
782          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 635  class MainWindow(DockFrame): Line 797  class MainWindow(DockFrame):
797      def FullExtent(self):      def FullExtent(self):
798          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
799    
800        def FullLayerExtent(self):
801            self.canvas.FitLayerToWindow(self.current_layer())
802    
803        def FullSelectionExtent(self):
804            self.canvas.FitSelectedToWindow()
805    
806        def ExportMap(self):
807            self.canvas.Export()
808    
809      def PrintMap(self):      def PrintMap(self):
810          self.canvas.Print()          self.canvas.Print()
811    
812        def RenameMap(self):
813            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
814                                    self.Map().Title())
815            if dlg.ShowModal() == wxID_OK:
816                title = dlg.GetValue()
817                if title != "":
818                    self.Map().SetTitle(title)
819                    self.__SetTitle(title)
820    
821            dlg.Destroy()
822    
823        def RenameLayer(self):
824            """Let the user rename the currently selected layer"""
825            layer = self.current_layer()
826            if layer is not None:
827                dlg = wxTextEntryDialog(self, "Layer Title: ", "Rename Layer",
828                                        layer.Title())
829                try:
830                    if dlg.ShowModal() == wxID_OK:
831                        title = dlg.GetValue()
832                        if title != "":
833                            layer.SetTitle(title)
834                finally:
835                    dlg.Destroy()
836    
837      def identify_view_on_demand(self, layer, shapes):      def identify_view_on_demand(self, layer, shapes):
838            """Subscribed to the canvas' SHAPES_SELECTED message
839    
840            If the current tool is the identify tool, at least one shape is
841            selected and the identify dialog is not shown, show the dialog.
842            """
843            # If the selection has become empty we don't need to do
844            # anything. Otherwise it could happen that the dialog was popped
845            # up when the selection became empty, e.g. when a new selection
846            # is opened while the identify tool is active and dialog had
847            # been closed
848            if not shapes:
849                return
850    
851          name = "identify_view"          name = "identify_view"
852          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
853              if not self.dialog_open(name):              if not self.dialog_open(name):
# Line 649  class MainWindow(DockFrame): Line 858  class MainWindow(DockFrame):
858                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
859                  pass                  pass
860    
861        def __SetTitle(self, title):
862            self.SetTitle("Thuban - " + title)
863    
864  #  #
865  # Define all the commands available in the main window  # Define all the commands available in the main window
866  #  #
# Line 660  def call_method(context, methodname, *ar Line 872  def call_method(context, methodname, *ar
872      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
873    
874  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
875                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
876      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
877      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
878                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
879                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
880    
881  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
882      """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 689  def _has_selected_layer(context): Line 901  def _has_selected_layer(context):
901      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
902      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
903    
904    def _has_selected_shapes(context):
905        """Return true if a layer is selected in the context"""
906        return context.mainwindow.has_selected_shapes()
907    
908  def _can_remove_layer(context):  def _can_remove_layer(context):
909      return context.mainwindow.CanRemoveLayer()      return context.mainwindow.CanRemoveLayer()
910    
911  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
912      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
913      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
914    
915  def _has_visible_map(context):  def _has_visible_map(context):
916      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 709  def _has_visible_map(context): Line 925  def _has_visible_map(context):
925    
926  def _has_legend_shown(context):  def _has_legend_shown(context):
927      """Return true if the legend window is shown"""      """Return true if the legend window is shown"""
928      return context.mainwindow.FindRegisteredDock("legend") is None      return context.mainwindow.LegendShown()
929    
930    def _has_gdal_support(context):
931        """Return True if the GDAL is available"""
932        return Thuban.Model.resource.has_gdal_support()
933    
934  # File menu  # File menu
935  _method_command("new_session", _("&New Session"), "NewSession")  _method_command("new_session", _("&New Session"), "NewSession",
936  _method_command("open_session", _("&Open Session"), "OpenSession")                  helptext = _("Start a new session"))
937  _method_command("save_session", _("&Save Session"), "SaveSession")  _method_command("open_session", _("&Open Session..."), "OpenSession",
938  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")                  helptext = _("Open a session file"))
939  _method_command("show_session_tree", _("Session &Tree"), "ShowSessionTree",  _method_command("save_session", _("&Save Session"), "SaveSession",
940                  sensitive = _has_tree_window_shown)                  helptext =_("Save this session to the file it was opened from"))
941  _method_command("show_legend", _("Legend"), "ShowLegend",  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs",
942                  sensitive = _has_legend_shown)                  helptext = _("Save this session to a new file"))
943  _method_command("exit", _("E&xit"), "Exit")  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
944                    checked = _has_tree_window_shown,
945                    helptext = _("Toggle on/off the session tree analysis window"))
946    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
947                    checked = _has_legend_shown,
948                    helptext = _("Toggle Legend on/off"))
949    _method_command("exit", _("E&xit"), "Exit",
950                    helptext = _("Finish working with Thuban"))
951    
952  # Help menu  # Help menu
953  _method_command("help_about", _("&About"), "About")  _method_command("help_about", _("&About..."), "About",
954                    helptext = _("Info about Thuban authors, version and modules"))
955    
956    
957  # Map menu  # Map menu
958  _method_command("map_projection", _("Pro&jection"), "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection",
959                    helptext = _("Set or change the map projection"))
960    
961  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
962                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
# Line 747  _tool_command("map_label_tool", _("&Labe Line 975  _tool_command("map_label_tool", _("&Labe
975                helptext = _("Add/Remove labels"), icon = "label",                helptext = _("Add/Remove labels"), icon = "label",
976                sensitive = _has_visible_map)                sensitive = _has_visible_map)
977  _method_command("map_full_extent", _("&Full extent"), "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
978                 helptext = _("Full Extent"), icon = "fullextent",                 helptext = _("Zoom to the full map extent"), icon = "fullextent",
979                sensitive = _has_visible_map)                sensitive = _has_visible_map)
980    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
981                    helptext = _("Zoom to the full layer extent"),
982                    icon = "fulllayerextent", sensitive = _has_selected_layer)
983    _method_command("selected_full_extent", _("&Full selection extent"),
984                    "FullSelectionExtent",
985                    helptext = _("Zoom to the full selection extent"),
986                    icon = "fullselextent", sensitive = _has_selected_shapes)
987    _method_command("map_export", _("E&xport"), "ExportMap",
988                    helptext = _("Export the map to file"))
989  _method_command("map_print", _("Prin&t"), "PrintMap",  _method_command("map_print", _("Prin&t"), "PrintMap",
990                  helptext = _("Print the map"))                  helptext = _("Print the map"))
991    _method_command("map_rename", _("&Rename..."), "RenameMap",
992  # Layer menu                  helptext = _("Rename the map"))
993  _method_command("layer_add", _("&Add Layer"), "AddLayer",  _method_command("layer_add", _("&Add Layer..."), "AddLayer",
994                  helptext = _("Add a new layer to active map"))                  helptext = _("Add a new layer to the map"))
995    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
996                    helptext = _("Add a new image layer to the map"),
997                    sensitive = _has_gdal_support)
998  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
999                  helptext = _("Remove selected layer(s)"),                  helptext = _("Remove selected layer"),
1000                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
1001  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",  
1002                  helptext = _("Set the fill color of selected layer(s)"),  # Layer menu
1003                  sensitive = _has_selected_layer)  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
1004  _method_command("layer_transparent_fill", _("&Transparent Fill"),                  sensitive = _has_selected_layer,
1005                  "LayerTransparentFill",                  helptext = _("Specify projection for selected layer"))
1006                  helptext = _("Do not fill the selected layer(s)"),  _method_command("layer_duplicate", _("&Duplicate"), "DuplicateLayer",
1007                  sensitive = _has_selected_layer)                  helptext = _("Duplicate selected layer"),
1008  _method_command("layer_outline_color", _("&Outline Color"), "LayerOutlineColor",            sensitive = lambda context: context.mainwindow.CanDuplicateLayer())
1009                  helptext = _("Set the outline color of selected layer(s)"),  _method_command("layer_rename", _("Re&name ..."), "RenameLayer",
1010                  sensitive = _has_selected_layer)                  helptext = _("Rename selected layer"),
 _method_command("layer_no_outline", _("&No Outline"), "LayerNoOutline",  
                 helptext= _("Do not draw the outline of the selected layer(s)"),  
1011                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1012  _method_command("layer_raise", _("&Raise"), "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
1013                  helptext = _("Raise selected layer(s)"),                  helptext = _("Raise selected layer"),
1014                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1015  _method_command("layer_lower", _("&Lower"), "LowerLayer",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
1016                  helptext = _("Lower selected layer(s)"),                  helptext = _("Lower selected layer"),
1017                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1018  _method_command("layer_show", _("&Show"), "ShowLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
1019                  helptext = _("Make selected layer(s) visible"),                  helptext = _("Make selected layer visible"),
1020                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1021  _method_command("layer_hide", _("&Hide"), "HideLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
1022                  helptext = _("Make selected layer(s) unvisible"),                  helptext = _("Make selected layer unvisible"),
1023                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1024  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
1025                  helptext = _("Show the selected layer's table"),                  helptext = _("Show the selected layer's table"),
1026                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
1027  _method_command("layer_classifier", _("Classify"), "Classify",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
1028                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer,
1029                    helptext = _("Edit the properties of the selected layer"))
1030    _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
1031                    sensitive = _has_selected_layer,
1032                    helptext = _("Join and attach a table to the selected layer"))
1033    
1034  # the menu structure  def _can_unjoin(context):
1035  main_menu = Menu("<main>", "<main>",      """Return whether the Layer/Unjoin command can be executed.
1036                   [Menu("file", _("&File"),  
1037                         ["new_session", "open_session", None,      This is the case if a layer is selected and that layer has a
1038                          "save_session", "save_session_as", None,      shapestore that has an original shapestore.
1039                          "show_session_tree",      """
1040                          "show_legend", None,      layer = context.mainwindow.SelectedLayer()
1041                          "exit"]),      if layer is None:
1042                    Menu("map", _("&Map"),          return 0
1043                         ["layer_add", "layer_remove",      getstore = getattr(layer, "ShapeStore", None)
1044        if getstore is not None:
1045            return getstore().OrigShapeStore() is not None
1046        else:
1047            return 0
1048    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
1049                    sensitive = _can_unjoin,
1050                    helptext = _("Undo the last join operation"))
1051    
1052    
1053    def _has_tables(context):
1054        return bool(context.session.Tables())
1055    
1056    # Table menu
1057    _method_command("table_open", _("&Open..."), "TableOpen",
1058                    helptext = _("Open a DBF-table from a file"))
1059    _method_command("table_close", _("&Close..."), "TableClose",
1060           sensitive = lambda context: bool(context.session.UnreferencedTables()),
1061                    helptext = _("Close one or more tables from a list"))
1062    _method_command("table_rename", _("&Rename..."), "TableRename",
1063                    sensitive = _has_tables,
1064                    helptext = _("Rename one or more tables"))
1065    _method_command("table_show", _("&Show..."), "TableShow",
1066                    sensitive = _has_tables,
1067                    helptext = _("Show one or more tables in a dialog"))
1068    _method_command("table_join", _("&Join..."), "TableJoin",
1069                    sensitive = _has_tables,
1070                    helptext = _("Join two tables creating a new one"))
1071    
1072    #  Export only under Windows ...
1073    map_menu = ["layer_add", "rasterlayer_add", "layer_remove",
1074                          None,                          None,
1075                            "map_rename",
1076                          "map_projection",                          "map_projection",
1077                          None,                          None,
1078                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
1079                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
1080                            "map_full_extent",
1081                            "layer_full_extent",
1082                            "selected_full_extent",
1083                          None,                          None,
1084                          "map_full_extent",                          "map_identify_tool", "map_label_tool",
1085                          None,                          None,
1086                          "map_print"]),                          "toggle_legend",
1087                            None]
1088    if wxPlatform == '__WXMSW__':
1089        map_menu.append("map_export")
1090    map_menu.append("map_print")
1091    
1092    # the menu structure
1093    main_menu = Menu("<main>", "<main>",
1094                     [Menu("file", _("&File"),
1095                           ["new_session", "open_session", None,
1096                            "save_session", "save_session_as", None,
1097                            "toggle_session_tree", None,
1098                            "exit"]),
1099                      Menu("map", _("&Map"), map_menu),
1100                    Menu("layer", _("&Layer"),                    Menu("layer", _("&Layer"),
1101                         ["layer_fill_color", "layer_transparent_fill",                         ["layer_rename", "layer_duplicate",
                         "layer_outline_color", "layer_no_outline",  
1102                          None,                          None,
1103                          "layer_raise", "layer_lower",                          "layer_raise", "layer_lower",
1104                          None,                          None,
1105                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
1106                          None,                          None,
1107                            "layer_projection",
1108                            None,
1109                          "layer_show_table",                          "layer_show_table",
1110                            "layer_jointable",
1111                            "layer_unjointable",
1112                          None,                          None,
1113                          "layer_classifier"]),                          "layer_properties"]),
1114                      Menu("table", _("&Table"),
1115                           ["table_open", "table_close", "table_rename",
1116                           None,
1117                           "table_show",
1118                           None,
1119                           "table_join"]),
1120                    Menu("help", _("&Help"),                    Menu("help", _("&Help"),
1121                         ["help_about"])])                         ["help_about"])])
1122    
# Line 826  main_menu = Menu("<main>", "<main>", Line 1124  main_menu = Menu("<main>", "<main>",
1124    
1125  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
1126                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
1127                       "map_full_extent", None,                       "map_full_extent",
1128                         "layer_full_extent",
1129                         "selected_full_extent",
1130                         None,
1131                       "map_identify_tool", "map_label_tool"])                       "map_identify_tool", "map_label_tool"])
1132    
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