/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 312 by bh, Wed Sep 11 13:59:37 2002 UTC revision 713 by jonathan, Wed Apr 23 08:46:54 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]>
# Line 12  The main window Line 12  The main window
12    
13  __version__ = "$Revision$"  __version__ = "$Revision$"
14    
15    __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"
16    #__BuildDate__ = "$Date$"
17    
18  import os  import os
19    
20  from wxPython.wx import *  from wxPython.wx import *
21    
22  import Thuban  import Thuban
23    from Thuban import _
24  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
25  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
26  from Thuban.Model.color import Color  from Thuban.Model.color import Color
# Line 26  import view Line 30  import view
30  import tree  import tree
31  import proj4dialog  import proj4dialog
32  import tableview, identifyview  import tableview, identifyview
33    from Thuban.UI.classifier import Classifier
34    import legend
35  from menu import Menu  from menu import Menu
36    
37  from context import Context  from context import Context
38  from command import registry, Command  from command import registry, Command, ToolCommand
39  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
40    
41    from Thuban.UI.dock import DockFrame
42    
43    import resource
44    
45    import projdialog
46    
47    
48    
49  # the directory where the toolbar icons are stored  class MainWindow(DockFrame):
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
50    
51        # Some messages that can be subscribed/unsubscribed directly through
52        # the MapCanvas come in fact from other objects. This is a map to
53        # map those messages to the names of the instance variables they
54        # actually come from. This delegation is implemented in the
55        # Subscribe and unsubscribed methods
56        delegated_messages = {LAYER_SELECTED: "canvas",
57                              SHAPES_SELECTED: "canvas"}
58    
59  class MainWindow(wxFrame):      # Methods delegated to some instance variables. The delegation is
60        # implemented in the __getattr__ method.
61        delegated_methods = {"SelectLayer": "canvas",
62                             "SelectShapes": "canvas",
63                             }
64    
65      def __init__(self, parent, ID, title, application, interactor,      def __init__(self, parent, ID, title, application, interactor,
66                   initial_message = None, size = wxSize(-1, -1)):                   initial_message = None, size = wxSize(-1, -1)):
67          wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)          DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
68            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
69    
70          self.application = application          self.application = application
         self.interactor = interactor  
71    
72          self.CreateStatusBar()          self.CreateStatusBar()
73          if initial_message:          if initial_message:
# Line 63  class MainWindow(wxFrame): Line 85  class MainWindow(wxFrame):
85          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
86          toolbar.Realize()          toolbar.Realize()
87    
88    
89          # Create the map canvas          # Create the map canvas
90          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
91          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
92            canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
93          self.canvas = canvas          self.canvas = canvas
94    
95            self.SetMainWindow(self.canvas)
96    
97            self.SetAutoLayout(True)
98    
99          self.init_dialogs()          self.init_dialogs()
100    
101          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          EVT_CLOSE(self, self._OnClose)
102    
103          EVT_CLOSE(self, self.OnClose)      def Subscribe(self, channel, *args):
104            """Subscribe a function to a message channel.
105    
106            If channel is one of the delegated messages call the appropriate
107            object's Subscribe method. Otherwise do nothing.
108            """
109            if channel in self.delegated_messages:
110                object = getattr(self, self.delegated_messages[channel])
111                object.Subscribe(channel, *args)
112            else:
113                print "Trying to subscribe to unsupported channel %s" % channel
114    
115        def Unsubscribe(self, channel, *args):
116            """Unsubscribe a function from a message channel.
117    
118            If channel is one of the delegated messages call the appropriate
119            object's Unsubscribe method. Otherwise do nothing.
120            """
121            if channel in self.delegated_messages:
122                object = getattr(self, self.delegated_messages[channel])
123                object.Unsubscribe(channel, *args)
124    
125        def __getattr__(self, attr):
126            """If attr is one of the delegated methods return that method
127    
128            Otherwise raise AttributeError.
129            """
130            if attr in self.delegated_methods:
131                return getattr(getattr(self, self.delegated_methods[attr]), attr)
132            raise AttributeError(attr)
133    
134      def init_ids(self):      def init_ids(self):
135          """Initialize the ids"""          """Initialize the ids"""
# Line 112  class MainWindow(wxFrame): Line 169  class MainWindow(wxFrame):
169          return menu_bar          return menu_bar
170    
171      def build_menu(self, menudesc):      def build_menu(self, menudesc):
172          """Build and return a wxMenu from a menudescription"""          """Return a wxMenu built from the menu description menudesc"""
173          wxmenu = wxMenu()          wxmenu = wxMenu()
174          last = None          last = None
175          for item in menudesc.items:          for item in menudesc.items:
             # here the items must all be Menu instances themselves  
176              if item is None:              if item is None:
177                  # a separator. Only add one if the last item was not a                  # a separator. Only add one if the last item was not a
178                  # separator                  # separator
# Line 169  class MainWindow(wxFrame): Line 225  class MainWindow(wxFrame):
225                              command.IsCheckCommand())                              command.IsCheckCommand())
226                  self.bind_command_events(command, ID)                  self.bind_command_events(command, ID)
227              else:              else:
228                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
229    
230      def add_toolbar_command(self, toolbar, name):      def add_toolbar_command(self, toolbar, name):
231          """Add the command with name name to the toolbar toolbar.          """Add the command with name name to the toolbar toolbar.
# Line 184  class MainWindow(wxFrame): Line 240  class MainWindow(wxFrame):
240              command = registry.Command(name)              command = registry.Command(name)
241              if command is not None:              if command is not None:
242                  ID = self.get_id(name)                  ID = self.get_id(name)
243                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
244                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
245                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
246                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
247                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
248                  self.bind_command_events(command, ID)                  self.bind_command_events(command, ID)
249              else:              else:
250                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
251    
252      def Context(self):      def Context(self):
253          """Return the context object for a command invoked from this window          """Return the context object for a command invoked from this window
# Line 204  class MainWindow(wxFrame): Line 260  class MainWindow(wxFrame):
260              command = registry.Command(name)              command = registry.Command(name)
261              command.Execute(self.Context())              command.Execute(self.Context())
262          else:          else:
263              print "Unknown command ID %d" % event.GetId()              print _("Unknown command ID %d") % event.GetId()
264    
265      def update_command_ui(self, event):      def update_command_ui(self, event):
266          #print "update_command_ui", self.id_to_name[event.GetId()]          #print "update_command_ui", self.id_to_name[event.GetId()]
267          context = self.Context()          context = self.Context()
268          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
269          if command is not None:          if command is not None:
270              event.Enable(command.Sensitive(context))              sensitive = command.Sensitive(context)
271                event.Enable(sensitive)
272                if command.IsTool() and not sensitive and command.Checked(context):
273                    # When a checked tool command is disabled deselect all
274                    # tools. Otherwise the tool would remain active but it
275                    # might lead to errors if the tools stays active. This
276                    # problem occurred in GREAT-ER and this fixes it, but
277                    # it's not clear to me whether this is really the best
278                    # way to do it (BH, 20021206).
279                    self.canvas.SelectTool(None)
280              event.SetText(command.DynText(context))              event.SetText(command.DynText(context))
281              if command.IsCheckCommand():              if command.IsCheckCommand():
282                  event.Check(command.Checked(context))                      event.Check(command.Checked(context))
283    
284      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
285          """Run a modal message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
286          and return the result"""          and return the result"""
287          dlg = wxMessageDialog(self, text, title, flags)          dlg = wxMessageDialog(self, text, title, flags)
288            dlg.CenterOnParent()
289          result = dlg.ShowModal()          result = dlg.ShowModal()
290          dlg.Destroy()          dlg.Destroy()
291          return result          return result
# Line 233  class MainWindow(wxFrame): Line 299  class MainWindow(wxFrame):
299    
300      def add_dialog(self, name, dialog):      def add_dialog(self, name, dialog):
301          if self.dialogs.has_key(name):          if self.dialogs.has_key(name):
302              raise RuntimeError("The Dialog named %s is already open" % name)              raise RuntimeError(_("The Dialog named %s is already open") % name)
303          self.dialogs[name] = dialog          self.dialogs[name] = dialog
304    
305      def dialog_open(self, name):      def dialog_open(self, name):
# Line 251  class MainWindow(wxFrame): Line 317  class MainWindow(wxFrame):
317              text = "(%10.10g, %10.10g)" % pos              text = "(%10.10g, %10.10g)" % pos
318          else:          else:
319              text = ""              text = ""
320            self.set_position_text(text)
321    
322        def set_position_text(self, text):
323            """Set the statusbar text showing the current position.
324    
325            By default the text is shown in field 0 of the status bar.
326            Override this method in derived classes to put it into a
327            different field of the statusbar.
328            """
329          self.SetStatusText(text)          self.SetStatusText(text)
330    
331      def save_modified_session(self, can_veto = 1):      def save_modified_session(self, can_veto = 1):
# Line 266  class MainWindow(wxFrame): Line 341  class MainWindow(wxFrame):
341              flags = wxYES_NO | wxICON_QUESTION              flags = wxYES_NO | wxICON_QUESTION
342              if can_veto:              if can_veto:
343                  flags = flags | wxCANCEL                  flags = flags | wxCANCEL
344              result = self.RunMessageBox("Exit",              result = self.RunMessageBox(_("Exit"),
345                                          ("The session has been modified."                                          _("The session has been modified."
346                                           " Do you want to save it?"),                                           " Do you want to save it?"),
347                                          flags)                                          flags)
348              if result == wxID_YES:              if result == wxID_YES:
# Line 276  class MainWindow(wxFrame): Line 351  class MainWindow(wxFrame):
351              result = wxID_NO              result = wxID_NO
352          return result          return result
353    
354        def prepare_new_session(self):
355            for d in self.dialogs.values():
356                if not isinstance(d, tree.SessionTreeView):
357                    d.Close()
358    
359      def NewSession(self):      def NewSession(self):
360          self.save_modified_session()          self.save_modified_session()
361            self.prepare_new_session()
362          self.application.SetSession(create_empty_session())          self.application.SetSession(create_empty_session())
363    
364      def OpenSession(self):      def OpenSession(self):
365          self.save_modified_session()          self.save_modified_session()
366          dlg = wxFileDialog(self, "Select a session file", ".", "",          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)
                            "*.thuban", wxOPEN)  
367          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
368                self.prepare_new_session()
369              self.application.OpenSession(dlg.GetPath())              self.application.OpenSession(dlg.GetPath())
370          dlg.Destroy()          dlg.Destroy()
371    
372      def SaveSession(self):      def SaveSession(self):
373          if self.application.session.filename == None:          if self.application.session.filename == None:
374              self.SaveSessionAs()              self.SaveSessionAs()
375          self.application.SaveSession()          else:
376                self.application.SaveSession()
377    
378      def SaveSessionAs(self):      def SaveSessionAs(self):
379          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
380                             "*.thuban", wxOPEN)                             "*.thuban", wxOPEN)
381          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
382              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
# Line 302  class MainWindow(wxFrame): Line 384  class MainWindow(wxFrame):
384          dlg.Destroy()          dlg.Destroy()
385    
386      def Exit(self):      def Exit(self):
387          self.Close(false)          self.Close(False)
388    
389      def OnClose(self, event):      def _OnClose(self, event):
390          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
391          if result == wxID_CANCEL:          if result == wxID_CANCEL:
392              event.Veto()              event.Veto()
# Line 313  class MainWindow(wxFrame): Line 395  class MainWindow(wxFrame):
395              # wx's destroy event, but that isn't implemented for wxGTK              # wx's destroy event, but that isn't implemented for wxGTK
396              # yet.              # yet.
397              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)              self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
398                DockFrame._OnClose(self, event)
399              self.Destroy()              self.Destroy()
400    
401      def SetMap(self, map):      def SetMap(self, map):
402          self.canvas.SetMap(map)          self.canvas.SetMap(map)
403            self.__SetTitle(map.Title())
404            #self.legendPanel.SetMap(map)
405    
406      def Map(self):      def Map(self):
407          """Return the map displayed by this mainwindow"""          """Return the map displayed by this mainwindow"""
408    
409            # sanity check
410            #assert(self.canvas.Map() is self.legendPanel.GetMap())
411    
412          return self.canvas.Map()          return self.canvas.Map()
413    
414      def ShowSessionTree(self):      def ToggleSessionTree(self):
415            """If the session tree is shown close it otherwise create a new tree"""
416          name = "session_tree"          name = "session_tree"
417          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
418          if dialog is None:          if dialog is None:
419              dialog = tree.SessionTreeView(self, self.application, name)              dialog = tree.SessionTreeView(self, self.application, name)
420              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
421              dialog.Show(true)              dialog.Show(True)
422          else:          else:
423              # FIXME: bring dialog to front here              dialog.Close()
424              pass  
425        def SessionTreeShown(self):
426            """Return true iff the session tree is currently shown"""
427            return self.get_open_dialog("session_tree") is not None
428    
429      def About(self):      def About(self):
430          self.RunMessageBox("About",          self.RunMessageBox(_("About"),
431                             ("Thuban is a program for\n"                             _("Thuban v%s\n"
432                                #"Build Date: %s\n"
433                                "\n"
434                                "Thuban is a program for\n"
435                              "exploring geographic data.\n"                              "exploring geographic data.\n"
436                              "Copyright (C) 2001 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
437                              "Thuban is licensed under the GPL"),                              "Thuban is licensed under the GNU GPL"
438                               % __ThubanVersion__), #__BuildDate__)),
439                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
440    
441      def AddLayer(self):      def AddLayer(self):
442          dlg = wxFileDialog(self, "Select a data file", ".", "", "*.*",          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
443                             wxOPEN)                             wxOPEN)
444          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
445              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 354  class MainWindow(wxFrame): Line 451  class MainWindow(wxFrame):
451                  map.AddLayer(layer)                  map.AddLayer(layer)
452              except IOError:              except IOError:
453                  # the layer couldn't be opened                  # the layer couldn't be opened
454                  self.RunMessageBox("Add Layer",                  self.RunMessageBox(_("Add Layer"),
455                                     "Can't open the file '%s'." % filename)                                     _("Can't open the file '%s'.") % filename)
456              else:              else:
457                  if not has_layers:                  if not has_layers:
458                      # if we're adding a layer to an empty map, for the                      # if we're adding a layer to an empty map, fit the
459                      # new map to the window                      # new map to the window
460                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
461          dlg.Destroy()          dlg.Destroy()
# Line 371  class MainWindow(wxFrame): Line 468  class MainWindow(wxFrame):
468      def CanRemoveLayer(self):      def CanRemoveLayer(self):
469          """Return true if the currently selected layer can be deleted.          """Return true if the currently selected layer can be deleted.
470    
471          If no layer is selected return false.          If no layer is selected return False.
472    
473          The return value of this method determines whether the remove          The return value of this method determines whether the remove
474          layer command is sensitive in menu.          layer command is sensitive in menu.
# Line 379  class MainWindow(wxFrame): Line 476  class MainWindow(wxFrame):
476          layer = self.current_layer()          layer = self.current_layer()
477          if layer is not None:          if layer is not None:
478              return self.canvas.Map().CanRemoveLayer(layer)              return self.canvas.Map().CanRemoveLayer(layer)
479          return 0          return False
480    
481      def RaiseLayer(self):      def RaiseLayer(self):
482          layer = self.current_layer()          layer = self.current_layer()
# Line 396  class MainWindow(wxFrame): Line 493  class MainWindow(wxFrame):
493    
494          If no layer is selected, return None          If no layer is selected, return None
495          """          """
496          return self.interactor.SelectedLayer()          return self.canvas.SelectedLayer()
497    
498      def has_selected_layer(self):      def has_selected_layer(self):
499          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
500          return self.interactor.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
501    
502      def choose_color(self):      def choose_color(self):
503          """Run the color selection dialog and return the selected color.          """Run the color selection dialog and return the selected color.
# Line 418  class MainWindow(wxFrame): Line 515  class MainWindow(wxFrame):
515          dlg.Destroy()          dlg.Destroy()
516          return color          return color
517    
     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)  
   
518      def HideLayer(self):      def HideLayer(self):
519          layer = self.current_layer()          layer = self.current_layer()
520          if layer is not None:          if layer is not None:
# Line 459  class MainWindow(wxFrame): Line 532  class MainWindow(wxFrame):
532              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
533              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
534              if dialog is None:              if dialog is None:
535                  dialog = tableview.LayerTableFrame(self, self.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
536                                                     "Table: %s" % layer.Title(),                                                 _("Table: %s") % layer.Title(),
537                                                     layer, table)                                                     layer, table)
538                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
539                  dialog.Show(true)                  dialog.Show(true)
# Line 469  class MainWindow(wxFrame): Line 542  class MainWindow(wxFrame):
542                  pass                  pass
543    
544      def Projection(self):      def Projection(self):
545          map = self.canvas.Map()  
546          proj = map.projection          name = "projection"
547          if proj is None:          dialog = self.get_open_dialog(name)
548              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
549            if dialog is None:
550                map = self.canvas.Map()
551                dialog = projdialog.ProjFrame(self, name, map)
552                self.add_dialog(name, dialog)
553                dialog.Show()
554            dialog.Raise()
555    
556        def LayerEditProperties(self):
557    
558            #
559            # the menu option for this should only be available if there
560            # is a current layer, so we don't need to check if the
561            # current layer is None
562            #
563    
564            layer = self.current_layer()
565            self.OpenLayerProperties(layer)
566    
567        def OpenLayerProperties(self, layer, group = None):
568            name = "layer_properties" + str(id(layer))
569            dialog = self.get_open_dialog(name)
570    
571            if dialog is None:
572                dialog = Classifier(self, name, layer, group)
573                self.add_dialog(name, dialog)
574                dialog.Show()
575            dialog.Raise()
576    
577    
578        def ShowLegend(self):
579            if not self.LegendShown():
580                self.ToggleLegend()
581    
582        def ToggleLegend(self):
583            """Show the legend if it's not shown otherwise hide it again"""
584            name = "legend"
585            dialog = self.FindRegisteredDock(name)
586    
587            if dialog is None:
588                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
589                legend.LegendPanel(dialog, None, self)
590                dialog.Dock()
591                dialog.GetPanel().SetMap(self.Map())
592                dialog.Show()
593          else:          else:
594              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,              dialog.Show(not dialog.IsShown())
595                                                 map.BoundingBox())  
596          if proj4Dlg.ShowModal() == wxID_OK:      def LegendShown(self):
597              params = proj4Dlg.GetParams()          """Return true iff the legend is currently open"""
598              if params is not None:          dialog = self.FindRegisteredDock("legend")
599                  proj = Projection(params)          return dialog is not None and dialog.IsShown()
             else:  
                 proj = None  
             map.SetProjection(proj)  
         proj4Dlg.Destroy()  
600    
601      def ZoomInTool(self):      def ZoomInTool(self):
602          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 507  class MainWindow(wxFrame): Line 620  class MainWindow(wxFrame):
620      def PrintMap(self):      def PrintMap(self):
621          self.canvas.Print()          self.canvas.Print()
622    
623      def identify_view_on_demand(self, layer, shape):      def RenameMap(self):
624            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
625                                    self.Map().Title())
626            if dlg.ShowModal() == wxID_OK:
627                title = dlg.GetValue()
628                if title != "":
629                    self.Map().SetTitle(title)
630                    self.__SetTitle(title)
631    
632            dlg.Destroy()
633    
634        def identify_view_on_demand(self, layer, shapes):
635          name = "identify_view"          name = "identify_view"
636          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
637              if not self.dialog_open(name):              if not self.dialog_open(name):
638                  dialog = identifyview.IdentifyView(self, self.interactor, name)                  dialog = identifyview.IdentifyView(self, name)
639                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
640                  dialog.Show(true)                  dialog.Show(True)
641              else:              else:
642                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
643                  pass                  pass
644    
645        def __SetTitle(self, title):
646            self.SetTitle("Thuban - " + title)
647    
648  #  #
649  # Define all the commands available in the main window  # Define all the commands available in the main window
650  #  #
# Line 529  def call_method(context, methodname, *ar Line 656  def call_method(context, methodname, *ar
656      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
657    
658  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
659                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
660      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
661      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
662                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
663                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
664    
665  def make_check_current_tool(toolname):  def make_check_current_tool(toolname):
666      """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 549  def make_check_current_tool(toolname): Line 676  def make_check_current_tool(toolname):
676  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
677                    icon = "", sensitive = None):                    icon = "", sensitive = None):
678      """Add a tool command"""      """Add a tool command"""
679      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(ToolCommand(name, title, call_method, args=(method,),
680                           helptext = helptext, icon = icon,                               helptext = helptext, icon = icon,
681                           checked = make_check_current_tool(toolname),                               checked = make_check_current_tool(toolname),
682                           sensitive = sensitive))                               sensitive = sensitive))
683    
684  def _has_selected_layer(context):  def _has_selected_layer(context):
685      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
# Line 563  def _can_remove_layer(context): Line 690  def _can_remove_layer(context):
690    
691  def _has_tree_window_shown(context):  def _has_tree_window_shown(context):
692      """Return true if the tree window is shown"""      """Return true if the tree window is shown"""
693      return context.mainwindow.get_open_dialog("session_tree") is None      return context.mainwindow.SessionTreeShown()
694    
695  def _has_visible_map(context):  def _has_visible_map(context):
696      """Return true iff theres a visible map in the mainwindow.      """Return true iff theres a visible map in the mainwindow.
# Line 576  def _has_visible_map(context): Line 703  def _has_visible_map(context):
703                  return 1                  return 1
704      return 0      return 0
705    
706    def _has_legend_shown(context):
707        """Return true if the legend window is shown"""
708        return context.mainwindow.LegendShown()
709    
710    
711  # File menu  # File menu
712  _method_command("new_session", "&New Session", "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
713  _method_command("open_session", "&Open Session", "OpenSession")  _method_command("open_session", _("&Open Session"), "OpenSession")
714  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
715  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")
716  _method_command("show_session_tree", "Show Session &Tree", "ShowSessionTree",  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
717                  sensitive = _has_tree_window_shown)                  checked = _has_tree_window_shown)
718  _method_command("exit", "E&xit", "Exit")  _method_command("toggle_legend", _("Legend"), "ToggleLegend",
719                    checked = _has_legend_shown)
720    _method_command("exit", _("E&xit"), "Exit")
721    
722  # Help menu  # Help menu
723  _method_command("help_about", "&About", "About")  _method_command("help_about", _("&About"), "About")
724    
725    
726  # Map menu  # Map menu
727  _method_command("map_projection", "Pro&jection", "Projection")  _method_command("map_projection", _("Pro&jection"), "Projection")
728    
729  _tool_command("map_zoom_in_tool", "&Zoom in", "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
730                helptext = "Switch to map-mode 'zoom-in'", icon = "zoom_in",                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
731                sensitive = _has_visible_map)                sensitive = _has_visible_map)
732  _tool_command("map_zoom_out_tool", "Zoom &out", "ZoomOutTool", "ZoomOutTool",  _tool_command("map_zoom_out_tool", _("Zoom &out"), "ZoomOutTool", "ZoomOutTool",
733                helptext = "Switch to map-mode 'zoom-out'", icon = "zoom_out",                helptext = _("Switch to map-mode 'zoom-out'"), icon = "zoom_out",
734                sensitive = _has_visible_map)                sensitive = _has_visible_map)
735  _tool_command("map_pan_tool", "&Pan", "PanTool", "PanTool",  _tool_command("map_pan_tool", _("&Pan"), "PanTool", "PanTool",
736                helptext = "Switch to map-mode 'pan'", icon = "pan",                helptext = _("Switch to map-mode 'pan'"), icon = "pan",
737                sensitive = _has_visible_map)                sensitive = _has_visible_map)
738  _tool_command("map_identify_tool", "&Identify", "IdentifyTool", "IdentifyTool",  _tool_command("map_identify_tool", _("&Identify"), "IdentifyTool",
739                helptext = "Switch to map-mode 'identify'", icon = "identify",                "IdentifyTool",
740                  helptext = _("Switch to map-mode 'identify'"), icon = "identify",
741                sensitive = _has_visible_map)                sensitive = _has_visible_map)
742  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",  _tool_command("map_label_tool", _("&Label"), "LabelTool", "LabelTool",
743                helptext = "Add/Remove labels", icon = "label",                helptext = _("Add/Remove labels"), icon = "label",
744                sensitive = _has_visible_map)                sensitive = _has_visible_map)
745  _method_command("map_full_extent", "&Full extent", "FullExtent",  _method_command("map_full_extent", _("&Full extent"), "FullExtent",
746                 helptext = "Full Extent", icon = "fullextent",                 helptext = _("Full Extent"), icon = "fullextent",
747                sensitive = _has_visible_map)                sensitive = _has_visible_map)
748  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")  _method_command("map_print", _("Prin&t"), "PrintMap",
749                    helptext = _("Print the map"))
750    _method_command("map_rename", _("&Rename"), "RenameMap",
751                    helptext = _("Rename the map"))
752    
753  # Layer menu  # Layer menu
754  _method_command("layer_add", "&Add Layer", "AddLayer",  _method_command("layer_add", _("&Add Layer"), "AddLayer",
755                  helptext = "Add a new layer to active map")                  helptext = _("Add a new layer to active map"))
756  _method_command("layer_remove", "&Remove Layer", "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
757                  helptext = "Remove selected layer(s)",                  helptext = _("Remove selected layer(s)"),
758                  sensitive = _can_remove_layer)                  sensitive = _can_remove_layer)
759  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
760                  helptext = "Set the fill color of selected layer(s)",                  helptext = _("Raise selected layer(s)"),
                 sensitive = _has_selected_layer)  
 _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)",  
761                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
762  _method_command("layer_no_outline", "&No Outline", "LayerNoOutline",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
763                  helptext = "Do not draw the outline of the selected layer(s)",                  helptext = _("Lower selected layer(s)"),
764                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
765  _method_command("layer_raise", "&Raise", "RaiseLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
766                  helptext = "Raise selected layer(s)",                  helptext = _("Make selected layer(s) visible"),
767                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
768  _method_command("layer_lower", "&Lower", "LowerLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
769                  helptext = "Lower selected layer(s)",                  helptext = _("Make selected layer(s) unvisible"),
770                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
771  _method_command("layer_show", "&Show", "ShowLayer",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
772                  helptext = "Make selected layer(s) visible",                  helptext = _("Show the selected layer's table"),
773                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
774  _method_command("layer_hide", "&Hide", "HideLayer",  _method_command("layer_properties", _("Properties"), "LayerEditProperties",
                 helptext = "Make selected layer(s) unvisible",  
775                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
 _method_command("layer_show_table", "Show Ta&ble", "LayerShowTable",  
                 helptext = "Show the selected layer's table",  
                 sensitive = _has_selected_layer)  
   
776    
777  # the menu structure  # the menu structure
778  main_menu = Menu("<main>", "<main>",  main_menu = Menu("<main>", "<main>",
779                   [Menu("file", "&File",                   [Menu("file", _("&File"),
780                         ["new_session", "open_session", None,                         ["new_session", "open_session", None,
781                          "save_session", "save_session_as", None,                          "save_session", "save_session_as", None,
782                          "show_session_tree", None,                          "toggle_session_tree", None,
783                          "exit"]),                          "exit"]),
784                    Menu("map", "&Map",                    Menu("map", _("&Map"),
785                         ["layer_add", "layer_remove",                         ["layer_add", "layer_remove",
786                          None,                          None,
787                          "map_projection",                          "map_projection",
# Line 666  main_menu = Menu("<main>", "<main>", Line 791  main_menu = Menu("<main>", "<main>",
791                          None,                          None,
792                          "map_full_extent",                          "map_full_extent",
793                          None,                          None,
794                          "map_print"]),                          "toggle_legend",
                   Menu("layer", "&Layer",  
                        ["layer_fill_color", "layer_transparent_fill",  
                         "layer_outline_color", "layer_no_outline",  
795                          None,                          None,
796                          "layer_raise", "layer_lower",                          "map_print",
797                            None,
798                            "map_rename"]),
799                      Menu("layer", _("&Layer"),
800                            ["layer_raise", "layer_lower",
801                          None,                          None,
802                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
803                          None,                          None,
804                          "layer_show_table"]),                          "layer_show_table",
805                    Menu("help", "&Help",                          None,
806                            "layer_properties"]),
807                      Menu("help", _("&Help"),
808                         ["help_about"])])                         ["help_about"])])
809    
810  # the main toolbar  # the main toolbar
811    
812  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
813                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
814                       "map_identify_tool", "map_label_tool", "map_full_extent"])                       "map_full_extent", None,
815                         "map_identify_tool", "map_label_tool"])
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