/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
ViewVC logotype

Diff of /branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 227 by bh, Thu Jul 18 16:27:11 2002 UTC revision 1084 by jan, Wed May 28 10:25:09 2003 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001, 2002 by Intevation GmbH  # Copyright (C) 2001, 2002, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]>  # Jan-Oliver Wagner <[email protected]>
4  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
5    # Frank Koormann <[email protected]>
6  #  #
7  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
8  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
# Line 12  The main window Line 13  The main window
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    
16    __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"
17    #__BuildDate__ = "$Date$"
18    
19  import os  import os
20    
21  from wxPython.wx import *  from wxPython.wx import *
22    from wxPython.wx import __version__ as wxPython_version
23    
24    from wxPython.lib.dialogs import wxMultipleChoiceDialog
25    
26  import Thuban  import Thuban
27    import Thuban.version
28    
29    from Thuban import _
30  from Thuban.Model.session import create_empty_session  from Thuban.Model.session import create_empty_session
31  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer, RasterLayer
 from Thuban.Model.color import Color  
 from Thuban.Model.proj import Projection  
32    
33  import view  import view
34  import tree  import tree
 import proj4dialog  
35  import tableview, identifyview  import tableview, identifyview
36    from Thuban.UI.classifier import Classifier
37    import legend
38  from menu import Menu  from menu import Menu
39    
40  from context import Context  from context import Context
41  from command import registry, Command  from command import registry, Command, ToolCommand
42  from messages import SELECTED_SHAPE, VIEW_POSITION  from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
43    
44    from Thuban.UI.dock import DockFrame
45    from Thuban.UI.join import JoinDialog
46    
47    import resource
48    
49    import projdialog
50    
51    
 # the directory where the toolbar icons are stored  
 bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  
 bitmapext = ".xpm"  
52    
53    class MainWindow(DockFrame):
54    
55  class MainWindow(wxFrame):      # Some messages that can be subscribed/unsubscribed directly through
56        # the MapCanvas come in fact from other objects. This is a map to
57        # map those messages to the names of the instance variables they
58        # actually come from. This delegation is implemented in the
59        # Subscribe and unsubscribed methods
60        delegated_messages = {LAYER_SELECTED: "canvas",
61                              SHAPES_SELECTED: "canvas"}
62    
63      def __init__(self, parent, ID, application, interactor):      # Methods delegated to some instance variables. The delegation is
64          wxFrame.__init__(self, parent, ID, 'Thuban',      # implemented in the __getattr__ method.
65                           wxDefaultPosition, wxSize(400, 300))      delegated_methods = {"SelectLayer": "canvas",
66                             "SelectShapes": "canvas",
67                             "SelectedLayer": "canvas",
68                             "SelectedShapes": "canvas",
69                             }
70    
71        def __init__(self, parent, ID, title, application, interactor,
72                     initial_message = None, size = wxSize(-1, -1)):
73            DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
74            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
75    
76          self.application = application          self.application = application
         self.interactor = interactor  
77    
78          self.CreateStatusBar()          self.CreateStatusBar()
79          self.SetStatusText("This is the wxPython-based "          if initial_message:
80                        "Graphical User Interface for exploring geographic data")              self.SetStatusText(initial_message)
81    
82          self.identify_view = None          self.identify_view = None
83    
# Line 63  class MainWindow(wxFrame): Line 91  class MainWindow(wxFrame):
91          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
92          toolbar.Realize()          toolbar.Realize()
93    
94    
95          # Create the map canvas          # Create the map canvas
96          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
97          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)          canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
98            canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
99          self.canvas = canvas          self.canvas = canvas
100    
101          self.init_dialogs()          self.SetMainWindow(self.canvas)
102    
103          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          self.SetAutoLayout(True)
104    
105            self.init_dialogs()
106    
107          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
108    
109        def Subscribe(self, channel, *args):
110            """Subscribe a function to a message channel.
111    
112            If channel is one of the delegated messages call the appropriate
113            object's Subscribe method. Otherwise do nothing.
114            """
115            if channel in self.delegated_messages:
116                object = getattr(self, self.delegated_messages[channel])
117                object.Subscribe(channel, *args)
118            else:
119                print "Trying to subscribe to unsupported channel %s" % channel
120    
121        def Unsubscribe(self, channel, *args):
122            """Unsubscribe a function from a message channel.
123    
124            If channel is one of the delegated messages call the appropriate
125            object's Unsubscribe method. Otherwise do nothing.
126            """
127            if channel in self.delegated_messages:
128                object = getattr(self, self.delegated_messages[channel])
129                object.Unsubscribe(channel, *args)
130    
131        def __getattr__(self, attr):
132            """If attr is one of the delegated methods return that method
133    
134            Otherwise raise AttributeError.
135            """
136            if attr in self.delegated_methods:
137                return getattr(getattr(self, self.delegated_methods[attr]), attr)
138            raise AttributeError(attr)
139    
140      def init_ids(self):      def init_ids(self):
141          """Initialize the ids"""          """Initialize the ids"""
142          self.current_id = 6000          self.current_id = 6000
# Line 112  class MainWindow(wxFrame): Line 175  class MainWindow(wxFrame):
175          return menu_bar          return menu_bar
176    
177      def build_menu(self, menudesc):      def build_menu(self, menudesc):
178          """Build and return a wxMenu from a menudescription"""          """Return a wxMenu built from the menu description menudesc"""
179          wxmenu = wxMenu()          wxmenu = wxMenu()
180          last = None          last = None
181          for item in menudesc.items:          for item in menudesc.items:
             # here the items must all be Menu instances themselves  
182              if item is None:              if item is None:
183                  # a separator. Only add one if the last item was not a                  # a separator. Only add one if the last item was not a
184                  # separator                  # separator
# Line 169  class MainWindow(wxFrame): Line 231  class MainWindow(wxFrame):
231                              command.IsCheckCommand())                              command.IsCheckCommand())
232                  self.bind_command_events(command, ID)                  self.bind_command_events(command, ID)
233              else:              else:
234                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
235    
236      def add_toolbar_command(self, toolbar, name):      def add_toolbar_command(self, toolbar, name):
237          """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 246  class MainWindow(wxFrame):
246              command = registry.Command(name)              command = registry.Command(name)
247              if command is not None:              if command is not None:
248                  ID = self.get_id(name)                  ID = self.get_id(name)
249                  filename = os.path.join(bitmapdir, command.Icon()) + bitmapext                  bitmap = resource.GetBitmapResource(command.Icon(),
250                  bitmap = wxBitmap(filename, wxBITMAP_TYPE_XPM)                                                      wxBITMAP_TYPE_XPM)
251                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
252                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
253                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
254                  self.bind_command_events(command, ID)                  self.bind_command_events(command, ID)
255              else:              else:
256                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
257    
258        def Context(self):
259            """Return the context object for a command invoked from this window
260            """
261            return Context(self.application, self.application.Session(), self)
262    
263      def invoke_command(self, event):      def invoke_command(self, event):
264          name = self.id_to_name.get(event.GetId())          name = self.id_to_name.get(event.GetId())
265          if name is not None:          if name is not None:
266              command = registry.Command(name)              command = registry.Command(name)
267              context = Context(self.application, self.application.Session(),              command.Execute(self.Context())
                               self)  
             command.Execute(context)  
268          else:          else:
269              print "Unknown command ID %d" % event.GetId()              print _("Unknown command ID %d") % event.GetId()
270    
271      def update_command_ui(self, event):      def update_command_ui(self, event):
272          #print "update_command_ui", self.id_to_name[event.GetId()]          #print "update_command_ui", self.id_to_name[event.GetId()]
273          context = Context(self.application, self.application.Session(), self)          context = self.Context()
274          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
275          if command is not None:          if command is not None:
276              event.Enable(command.Sensitive(context))              sensitive = command.Sensitive(context)
277                event.Enable(sensitive)
278                if command.IsTool() and not sensitive and command.Checked(context):
279                    # When a checked tool command is disabled deselect all
280                    # tools. Otherwise the tool would remain active but it
281                    # might lead to errors if the tools stays active. This
282                    # problem occurred in GREAT-ER and this fixes it, but
283                    # it's not clear to me whether this is really the best
284                    # way to do it (BH, 20021206).
285                    self.canvas.SelectTool(None)
286              event.SetText(command.DynText(context))              event.SetText(command.DynText(context))
287              if command.IsCheckCommand():              if command.IsCheckCommand():
288                  event.Check(command.Checked(context))                      event.Check(command.Checked(context))
289    
290      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
291          """Run a modal message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
292          and return the result"""          and return the result"""
293          dlg = wxMessageDialog(self, text, title, flags)          dlg = wxMessageDialog(self, text, title, flags)
294            dlg.CenterOnParent()
295          result = dlg.ShowModal()          result = dlg.ShowModal()
296          dlg.Destroy()          dlg.Destroy()
297          return result          return result
# Line 230  class MainWindow(wxFrame): Line 305  class MainWindow(wxFrame):
305    
306      def add_dialog(self, name, dialog):      def add_dialog(self, name, dialog):
307          if self.dialogs.has_key(name):          if self.dialogs.has_key(name):
308              raise RuntimeError("The Dialog named %s is already open" % name)              raise RuntimeError(_("The Dialog named %s is already open") % name)
309          self.dialogs[name] = dialog          self.dialogs[name] = dialog
310    
311      def dialog_open(self, name):      def dialog_open(self, name):
# Line 248  class MainWindow(wxFrame): Line 323  class MainWindow(wxFrame):
323              text = "(%10.10g, %10.10g)" % pos              text = "(%10.10g, %10.10g)" % pos
324          else:          else:
325              text = ""              text = ""
326            self.set_position_text(text)
327    
328        def set_position_text(self, text):
329            """Set the statusbar text showing the current position.
330    
331            By default the text is shown in field 0 of the status bar.
332            Override this method in derived classes to put it into a
333            different field of the statusbar.
334            """
335          self.SetStatusText(text)          self.SetStatusText(text)
336    
337      def save_modified_session(self, can_veto = 1):      def save_modified_session(self, can_veto = 1):
# Line 263  class MainWindow(wxFrame): Line 347  class MainWindow(wxFrame):
347              flags = wxYES_NO | wxICON_QUESTION              flags = wxYES_NO | wxICON_QUESTION
348              if can_veto:              if can_veto:
349                  flags = flags | wxCANCEL                  flags = flags | wxCANCEL
350              result = self.RunMessageBox("Exit",              result = self.RunMessageBox(_("Exit"),
351                                          ("The session has been modified."                                          _("The session has been modified."
352                                           " Do you want to save it?"),                                           " Do you want to save it?"),
353                                          flags)                                          flags)
354              if result == wxID_YES:              if result == wxID_YES:
# Line 273  class MainWindow(wxFrame): Line 357  class MainWindow(wxFrame):
357              result = wxID_NO              result = wxID_NO
358          return result          return result
359    
360        def prepare_new_session(self):
361            for d in self.dialogs.values():
362                if not isinstance(d, tree.SessionTreeView):
363                    d.Close()
364    
365      def NewSession(self):      def NewSession(self):
366          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
367          self.application.SetSession(create_empty_session())              self.prepare_new_session()
368                self.application.SetSession(create_empty_session())
369    
370      def OpenSession(self):      def OpenSession(self):
371          self.save_modified_session()          if self.save_modified_session() != wxID_CANCEL:
372          dlg = wxFileDialog(self, "Select a session file", ".", "",              dlg = wxFileDialog(self, _("Open Session"), ".", "",
373                             "*.thuban", wxOPEN)                                 "Thuban Session File (*.thuban)|*.thuban",
374          if dlg.ShowModal() == wxID_OK:                                 wxOPEN)
375              self.application.OpenSession(dlg.GetPath())              if dlg.ShowModal() == wxID_OK:
376          dlg.Destroy()                  self.prepare_new_session()
377                    self.application.OpenSession(dlg.GetPath())
378                dlg.Destroy()
379    
380      def SaveSession(self):      def SaveSession(self):
381          if self.application.session.filename == None:          if self.application.session.filename == None:
382              self.SaveSessionAs()              self.SaveSessionAs()
383          self.application.SaveSession()          else:
384                self.application.SaveSession()
385    
386      def SaveSessionAs(self):      def SaveSessionAs(self):
387          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
388                             "*.thuban", wxOPEN)                             "Thuban Session File (*.thuban)|*.thuban",
389                               wxSAVE|wxOVERWRITE_PROMPT)
390          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
391              self.application.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
392              self.application.SaveSession()              self.application.SaveSession()
393          dlg.Destroy()          dlg.Destroy()
394    
395      def Exit(self):      def Exit(self):
396          self.Close(false)          self.Close(False)
397    
398      def OnClose(self, event):      def OnClose(self, event):
399          result = self.save_modified_session(can_veto = event.CanVeto())          result = self.save_modified_session(can_veto = event.CanVeto())
400          if result == wxID_CANCEL:          if result == wxID_CANCEL:
401              event.Veto()              event.Veto()
402          else:          else:
403                # FIXME: it would be better to tie the unsubscription to
404                # wx's destroy event, but that isn't implemented for wxGTK
405                # yet.
406                self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
407                DockFrame.OnClose(self, event)
408                for dlg in self.dialogs.values():
409                    dlg.Destroy()
410                self.canvas.Destroy()
411              self.Destroy()              self.Destroy()
412    
413      def SetMap(self, map):      def SetMap(self, map):
414          self.canvas.SetMap(map)          self.canvas.SetMap(map)
415            self.__SetTitle(map.Title())
416    
417            dialog = self.FindRegisteredDock("legend")
418            if dialog is not None:
419                dialog.GetPanel().SetMap(self.Map())
420    
421        def Map(self):
422            """Return the map displayed by this mainwindow"""
423    
424      def ShowSessionTree(self):          return self.canvas.Map()
425    
426        def ToggleSessionTree(self):
427            """If the session tree is shown close it otherwise create a new tree"""
428          name = "session_tree"          name = "session_tree"
429          dialog = self.get_open_dialog(name)          dialog = self.get_open_dialog(name)
430          if dialog is None:          if dialog is None:
431              dialog = tree.SessionTreeView(self, self.application, name)              dialog = tree.SessionTreeView(self, self.application, name)
432              self.add_dialog(name, dialog)              self.add_dialog(name, dialog)
433              dialog.Show(true)              dialog.Show(True)
434          else:          else:
435              # FIXME: bring dialog to front here              dialog.Close()
436              pass  
437        def SessionTreeShown(self):
438            """Return true iff the session tree is currently shown"""
439            return self.get_open_dialog("session_tree") is not None
440    
441      def About(self):      def About(self):
442          self.RunMessageBox("About",          self.RunMessageBox(_("About"),
443                             ("Thuban is a program for\n"                             _("Thuban %s\n"
444                                #"Build Date: %s\n"
445                                "using:\n"
446                                "  %s\n"
447                                "  %s\n\n"
448                                "Thuban is a program for\n"
449                              "exploring geographic data.\n"                              "exploring geographic data.\n"
450                              "Copyright (C) 2001 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
451                              "Thuban is licensed under the GPL"),                              "Thuban is licensed under the GNU GPL"
452                                % (Thuban.version.longversion,
453                                   "wxPython %s" % wxPython_version,
454                                   "Python %d.%d.%d" % sys.version_info[:3]
455                                  )),
456    #                           % __ThubanVersion__), #__BuildDate__)),
457                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
458    
459      def AddLayer(self):      def AddLayer(self):
460          dlg = wxFileDialog(self, "Select a data file", ".", "", "*.*",          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
461                             wxOPEN)                             wxOPEN)
462          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
463              filename = dlg.GetPath()              filename = dlg.GetPath()
464              title = os.path.splitext(os.path.basename(filename))[0]              title = os.path.splitext(os.path.basename(filename))[0]
             layer = Layer(title, filename)  
465              map = self.canvas.Map()              map = self.canvas.Map()
466              has_layers = map.HasLayers()              has_layers = map.HasLayers()
467              try:              try:
468                    store = self.application.Session().OpenShapefile(filename)
469                except IOError:
470                    # the layer couldn't be opened
471                    self.RunMessageBox(_("Add Layer"),
472                                       _("Can't open the file '%s'.") % filename)
473                else:
474                    layer = Layer(title, store)
475                  map.AddLayer(layer)                  map.AddLayer(layer)
476                    if not has_layers:
477                        # if we're adding a layer to an empty map, fit the
478                        # new map to the window
479                        self.canvas.FitMapToWindow()
480            dlg.Destroy()
481    
482        def AddRasterLayer(self):
483            dlg = wxFileDialog(self, _("Select an image file"), ".", "", "*.*",
484                               wxOPEN)
485            if dlg.ShowModal() == wxID_OK:
486                filename = dlg.GetPath()
487                title = os.path.splitext(os.path.basename(filename))[0]
488                map = self.canvas.Map()
489                has_layers = map.HasLayers()
490                try:
491                    layer = RasterLayer(title, filename)
492              except IOError:              except IOError:
493                  # the layer couldn't be opened                  # the layer couldn't be opened
494                  self.RunMessageBox("Add Layer",                  self.RunMessageBox(_("Add Image Layer"),
495                                     "Can't open the file '%s'." % filename)                                     _("Can't open the file '%s'.") % filename)
496              else:              else:
497                    map.AddLayer(layer)
498                  if not has_layers:                  if not has_layers:
499                      # if we're adding a layer to an empty map, for the                      # if we're adding a layer to an empty map, fit the
500                      # new map to the window                      # new map to the window
501                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
502          dlg.Destroy()          dlg.Destroy()
# Line 357  class MainWindow(wxFrame): Line 506  class MainWindow(wxFrame):
506          if layer is not None:          if layer is not None:
507              self.canvas.Map().RemoveLayer(layer)              self.canvas.Map().RemoveLayer(layer)
508    
509        def CanRemoveLayer(self):
510            """Return true if the currently selected layer can be deleted.
511    
512            If no layer is selected return False.
513    
514            The return value of this method determines whether the remove
515            layer command is sensitive in menu.
516            """
517            layer = self.current_layer()
518            if layer is not None:
519                return self.canvas.Map().CanRemoveLayer(layer)
520            return False
521    
522      def RaiseLayer(self):      def RaiseLayer(self):
523          layer = self.current_layer()          layer = self.current_layer()
524          if layer is not None:          if layer is not None:
# Line 372  class MainWindow(wxFrame): Line 534  class MainWindow(wxFrame):
534    
535          If no layer is selected, return None          If no layer is selected, return None
536          """          """
537          return self.interactor.SelectedLayer()          return self.canvas.SelectedLayer()
538    
539      def has_selected_layer(self):      def has_selected_layer(self):
540          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
541          return self.interactor.HasSelectedLayer()          return self.canvas.HasSelectedLayer()
   
     def choose_color(self):  
         """Run the color selection dialog and return the selected color.  
542    
543          If the user cancels, return None.      def has_selected_shapes(self):
544          """          """Return true if a shape is currently selected"""
545          dlg = wxColourDialog(self)          return self.canvas.HasSelectedShapes()
         color = None  
         if dlg.ShowModal() == wxID_OK:  
             data = dlg.GetColourData()  
             wxc = data.GetColour()  
             color = Color(wxc.Red() / 255.0,  
                           wxc.Green() / 255.0,  
                           wxc.Blue() / 255.0)  
         dlg.Destroy()  
         return color  
   
     def LayerFillColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.SetFill(color)  
   
     def LayerTransparentFill(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetFill(None)  
   
     def LayerOutlineColor(self):  
         layer = self.current_layer()  
         if layer is not None:  
             color = self.choose_color()  
             if color is not None:  
                 layer.SetStroke(color)  
   
     def LayerNoOutline(self):  
         layer = self.current_layer()  
         if layer is not None:  
             layer.SetStroke(None)  
546    
547      def HideLayer(self):      def HideLayer(self):
548          layer = self.current_layer()          layer = self.current_layer()
# Line 435  class MainWindow(wxFrame): Line 561  class MainWindow(wxFrame):
561              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
562              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
563              if dialog is None:              if dialog is None:
564                  dialog = tableview.TableFrame(self, self.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
565                                                "Table: %s" % layer.Title(),                                           _("Layer Table: %s") % layer.Title(),
566                                                layer, table)                                           layer, table)
567                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
568                  dialog.Show(true)                  dialog.Show(True)
569              else:              else:
570                  # FIXME: bring dialog to front here                  # FIXME: bring dialog to front here
571                  pass                  pass
572    
573      def Projection(self):      def MapProjection(self):
574          map = self.canvas.Map()  
575          proj = map.projection          name = "map_projection"
576          if proj is None:          dialog = self.get_open_dialog(name)
577              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())  
578            if dialog is None:
579                map = self.canvas.Map()
580                dialog = projdialog.ProjFrame(self, name,
581                         _("Map Projection: %s") % map.Title(), map)
582                self.add_dialog(name, dialog)
583                dialog.Show()
584            dialog.Raise()
585    
586        def LayerProjection(self):
587    
588            layer = self.current_layer()
589    
590            name = "layer_projection" + str(id(layer))
591            dialog = self.get_open_dialog(name)
592    
593            if dialog is None:
594                map = self.canvas.Map()
595                dialog = projdialog.ProjFrame(self, name,
596                         _("Layer Projection: %s") % layer.Title(), layer)
597                self.add_dialog(name, dialog)
598                dialog.Show()
599            dialog.Raise()
600    
601        def LayerEditProperties(self):
602    
603            #
604            # the menu option for this should only be available if there
605            # is a current layer, so we don't need to check if the
606            # current layer is None
607            #
608    
609            layer = self.current_layer()
610            self.OpenLayerProperties(layer)
611    
612        def OpenLayerProperties(self, layer, group = None):
613            name = "layer_properties" + str(id(layer))
614            dialog = self.get_open_dialog(name)
615    
616            if dialog is None:
617                dialog = Classifier(self, name, layer, group)
618                self.add_dialog(name, dialog)
619                dialog.Show()
620            dialog.Raise()
621    
622        def LayerJoinTable(self):
623            layer = self.canvas.SelectedLayer()
624            if layer is not None:
625                dlg = JoinDialog(self, _("Join Layer with Table"),
626                                 self.application.session,
627                                 layer = layer)
628                dlg.ShowModal()
629    
630        def LayerUnjoinTable(self):
631            layer = self.canvas.SelectedLayer()
632            if layer is not None:
633                orig_store = layer.ShapeStore().OrigShapeStore()
634                if orig_store:
635                    layer.SetShapeStore(orig_store)
636    
637        def ShowLegend(self):
638            if not self.LegendShown():
639                self.ToggleLegend()
640    
641        def ToggleLegend(self):
642            """Show the legend if it's not shown otherwise hide it again"""
643            name = "legend"
644            dialog = self.FindRegisteredDock(name)
645    
646            if dialog is None:
647                dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
648                legend.LegendPanel(dialog, None, self)
649                dialog.Dock()
650                dialog.GetPanel().SetMap(self.Map())
651                dialog.Show()
652          else:          else:
653              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,              dialog.Show(not dialog.IsShown())
654                                                 map.BoundingBox())  
655          if proj4Dlg.ShowModal() == wxID_OK:      def LegendShown(self):
656              params = proj4Dlg.GetParams()          """Return true iff the legend is currently open"""
657              if params is not None:          dialog = self.FindRegisteredDock("legend")
658                  proj = Projection(params)          return dialog is not None and dialog.IsShown()
659    
660        def TableOpen(self):
661            dlg = wxFileDialog(self, _("Open Table"), ".", "",
662                               _("DBF Files (*.dbf)") + "|*.dbf|" +
663                               #_("CSV Files (*.csv)") + "|*.csv|" +
664                               _("All Files (*.*)") + "|*.*",
665                               wxOPEN)
666            if dlg.ShowModal() == wxID_OK:
667                filename = dlg.GetPath()
668                dlg.Destroy()
669                try:
670                    table = self.application.session.OpenTableFile(filename)
671                except IOError:
672                    # the layer couldn't be opened
673                    self.RunMessageBox(_("Open Table"),
674                                       _("Can't open the file '%s'.") % filename)
675              else:              else:
676                  proj = None                  self.ShowTableView(table)
677              map.SetProjection(proj)  
678          proj4Dlg.Destroy()      def TableClose(self):
679            tables = self.application.session.UnreferencedTables()
680    
681            lst = [(t.Title(), t) for t in tables]
682            lst.sort()
683            titles = [i[0] for i in lst]
684            dlg = wxMultipleChoiceDialog(self, _("Pick the tables to close:"),
685                                         _("Close Table"), titles,
686                                         size = (400, 300),
687                                         style = wxDEFAULT_DIALOG_STYLE |
688                                                 wxRESIZE_BORDER)
689            if dlg.ShowModal() == wxID_OK:
690                for i in dlg.GetValue():
691                    self.application.session.RemoveTable(lst[i][1])
692    
693    
694        def TableShow(self):
695            """Offer a multi-selection dialog for tables to be displayed
696    
697            The windows for the selected tables are opened or brought to
698            the front.
699            """
700            tables = self.application.session.Tables()
701    
702            lst = [(t.Title(), t) for t in tables]
703            lst.sort()
704            titles = [i[0] for i in lst]
705            dlg = wxMultipleChoiceDialog(self, _("Pick the table to show:"),
706                                         _("Show Table"), titles,
707                                         size = (400,300),
708                                         style = wxDEFAULT_DIALOG_STYLE |
709                                                 wxRESIZE_BORDER)
710            if (dlg.ShowModal() == wxID_OK):
711                for i in dlg.GetValue():
712                    # XXX: if the table belongs to a layer, open a
713                    # LayerTableFrame instead of QueryTableFrame
714                    self.ShowTableView(lst[i][1])
715    
716        def TableJoin(self):
717            dlg = JoinDialog(self, _("Join Tables"), self.application.session)
718            dlg.ShowModal()
719    
720        def ShowTableView(self, table):
721            """Open a table view for the table and optionally"""
722            name = "table_view%d" % id(table)
723            dialog = self.get_open_dialog(name)
724            if dialog is None:
725                dialog = tableview.QueryTableFrame(self, name,
726                                                   _("Table: %s") % table.Title(),
727                                                   table)
728                self.add_dialog(name, dialog)
729                dialog.Show(True)
730            # FIXME: else bring dialog to front
731    
732      def ZoomInTool(self):      def ZoomInTool(self):
733          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
# Line 480  class MainWindow(wxFrame): Line 748  class MainWindow(wxFrame):
748      def FullExtent(self):      def FullExtent(self):
749          self.canvas.FitMapToWindow()          self.canvas.FitMapToWindow()
750    
751        def FullLayerExtent(self):
752            self.canvas.FitLayerToWindow(self.current_layer())
753    
754        def FullSelectionExtent(self):
755            self.canvas.FitSelectedToWindow()
756    
757        def ExportMap(self):
758            self.canvas.Export()
759    
760      def PrintMap(self):      def PrintMap(self):
761          self.canvas.Print()          self.canvas.Print()
762    
763      def identify_view_on_demand(self, layer, shape):      def RenameMap(self):
764            dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
765                                    self.Map().Title())
766            if dlg.ShowModal() == wxID_OK:
767                title = dlg.GetValue()
768                if title != "":
769                    self.Map().SetTitle(title)
770                    self.__SetTitle(title)
771    
772            dlg.Destroy()
773    
774        def identify_view_on_demand(self, layer, shapes):
775            """Subscribed to the canvas' SHAPES_SELECTED message
776    
777            If the current tool is the identify tool, at least one shape is
778            selected and the identify dialog is not shown, show the dialog.
779            """
780            # If the selection has become empty we don't need to do
781            # anything. Otherwise it could happen that the dialog was popped
782            # up when the selection became empty, e.g. when a new selection
783            # is opened while the identify tool is active and dialog had
784            # been closed
785            if not shapes:
786                return
787    
788          name = "identify_view"          name = "identify_view"
789          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
790              if not self.dialog_open(name):              if not self.dialog_open(name):
791                  dialog = identifyview.IdentifyView(self, self.interactor, name)                  dialog = identifyview.IdentifyView(self, name)
792                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
793                  dialog.Show(true)                  dialog.Show(True)
794              else:              else:
795                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
796                  pass                  pass
797    
798        def __SetTitle(self, title):
799            self.SetTitle("Thuban - " + title)
800    
801  #  #
802  # Define all the commands available in the main window  # Define all the commands available in the main window
803  #  #
# Line 505  def call_method(context, methodname, *ar Line 809  def call_method(context, methodname, *ar
809      apply(getattr(context.mainwindow, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
810    
811  def _method_command(name, title, method, helptext = "",  def _method_command(name, title, method, helptext = "",
812                      icon = "", sensitive = None):                      icon = "", sensitive = None, checked = None):
813      """Add a command implemented by a method of the mainwindow object"""      """Add a command implemented by a method of the mainwindow object"""
814      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
815                           helptext = helptext, icon = icon,                           helptext = helptext, icon = icon,
816                           sensitive = sensitive))                           sensitive = sensitive, checked = checked))
817    
818  def _tool_command(name, title, method, toolname, helptext = "",  def make_check_current_tool(toolname):
819                    icon = ""):      """Return a function that tests if the currently active tool is toolname
820      """Add a tool command"""  
821        The returned function can be called with the context and returns
822        true iff the currently active tool's name is toolname. It's directly
823        usable as the 'checked' callback of a command.
824        """
825      def check_current_tool(context, name=toolname):      def check_current_tool(context, name=toolname):
826          return context.mainwindow.canvas.CurrentTool() == name          return context.mainwindow.canvas.CurrentTool() == name
827      registry.Add(Command(name, title, call_method, args=(method,),      return check_current_tool
828                           helptext = helptext, icon = icon,  
829                           checked = check_current_tool))  def _tool_command(name, title, method, toolname, helptext = "",
830                      icon = "", sensitive = None):
831        """Add a tool command"""
832        registry.Add(ToolCommand(name, title, call_method, args=(method,),
833                                 helptext = helptext, icon = icon,
834                                 checked = make_check_current_tool(toolname),
835                                 sensitive = sensitive))
836    
837  def _has_selected_layer(context):  def _has_selected_layer(context):
838      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
839      return context.mainwindow.has_selected_layer()      return context.mainwindow.has_selected_layer()
840    
841    def _has_selected_shapes(context):
842        """Return true if a layer is selected in the context"""
843        return context.mainwindow.has_selected_shapes()
844    
845    def _can_remove_layer(context):
846        return context.mainwindow.CanRemoveLayer()
847    
848    def _has_tree_window_shown(context):
849        """Return true if the tree window is shown"""
850        return context.mainwindow.SessionTreeShown()
851    
852    def _has_visible_map(context):
853        """Return true iff theres a visible map in the mainwindow.
854    
855        A visible map is a map with at least one visible layer."""
856        map = context.mainwindow.Map()
857        if map is not None:
858            for layer in map.Layers():
859                if layer.Visible():
860                    return 1
861        return 0
862    
863    def _has_legend_shown(context):
864        """Return true if the legend window is shown"""
865        return context.mainwindow.LegendShown()
866    
867    
868  # File menu  # File menu
869  _method_command("new_session", "&New Session", "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
870  _method_command("open_session", "&Open Session", "OpenSession")  _method_command("open_session", _("&Open Session..."), "OpenSession")
871  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
872  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As..."), "SaveSessionAs")
873  _method_command("show_session_tree", "Show Session &Tree", "ShowSessionTree")  _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
874  _method_command("exit", "&Exit", "Exit")                  checked = _has_tree_window_shown)
875    _method_command("toggle_legend", _("Legend"), "ToggleLegend",
876                    checked = _has_legend_shown)
877    _method_command("exit", _("E&xit"), "Exit")
878    
879  # Help menu  # Help menu
880  _method_command("help_about", "&About", "About")  _method_command("help_about", _("&About..."), "About")
881    
882    
883  # Map menu  # Map menu
884  _method_command("map_projection", "Pro&jection", "Projection")  _method_command("map_projection", _("Pro&jection..."), "MapProjection")
885    
886  _tool_command("map_zoom_in_tool", "&Zoom in", "ZoomInTool", "ZoomInTool",  _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
887                helptext = "Switch to map-mode 'zoom-in'", icon = "zoom_in")                helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
888  _tool_command("map_zoom_out_tool", "Zoom &out", "ZoomOutTool", "ZoomOutTool",                sensitive = _has_visible_map)
889                helptext = "Switch to map-mode 'zoom-out'", icon = "zoom_out")  _tool_command("map_zoom_out_tool", _("Zoom &out"), "ZoomOutTool", "ZoomOutTool",
890  _tool_command("map_pan_tool", "&Pan", "PanTool", "PanTool",                helptext = _("Switch to map-mode 'zoom-out'"), icon = "zoom_out",
891                helptext = "Switch to map-mode 'pan'", icon = "pan")                sensitive = _has_visible_map)
892  _tool_command("map_identify_tool", "&Identify", "IdentifyTool", "IdentifyTool",  _tool_command("map_pan_tool", _("&Pan"), "PanTool", "PanTool",
893                helptext = "Switch to map-mode 'identify'", icon = "identify")                helptext = _("Switch to map-mode 'pan'"), icon = "pan",
894  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",                sensitive = _has_visible_map)
895                helptext = "Add/Remove labels", icon = "label")  _tool_command("map_identify_tool", _("&Identify"), "IdentifyTool",
896  _method_command("map_full_extent", "&Full extent", "FullExtent",                "IdentifyTool",
897                 helptext = "Full Extent", icon = "fullextent")                helptext = _("Switch to map-mode 'identify'"), icon = "identify",
898  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")                sensitive = _has_visible_map)
899    _tool_command("map_label_tool", _("&Label"), "LabelTool", "LabelTool",
900                  helptext = _("Add/Remove labels"), icon = "label",
901                  sensitive = _has_visible_map)
902    _method_command("map_full_extent", _("&Full extent"), "FullExtent",
903                   helptext = _("Full Extent"), icon = "fullextent",
904                  sensitive = _has_visible_map)
905    _method_command("layer_full_extent", _("&Full layer extent"), "FullLayerExtent",
906                   helptext = _("Full Layer Extent"), icon = "fulllayerextent",
907                  sensitive = _has_selected_layer)
908    _method_command("selected_full_extent", _("&Full selection extent"), "FullSelectionExtent",
909                   helptext = _("Full Selection Extent"), icon = "fullselextent",
910                  sensitive = _has_selected_shapes)
911    _method_command("map_export", _("E&xport"), "ExportMap",
912                        helptext = _("Export the map to file"))
913    _method_command("map_print", _("Prin&t"), "PrintMap",
914                    helptext = _("Print the map"))
915    _method_command("map_rename", _("&Rename..."), "RenameMap",
916                    helptext = _("Rename the map"))
917    _method_command("layer_add", _("&Add Layer..."), "AddLayer",
918                    helptext = _("Add a new layer to active map"))
919    _method_command("rasterlayer_add", _("&Add Image Layer..."), "AddRasterLayer",
920                    helptext = _("Add a new image layer to active map"))
921    _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
922                    helptext = _("Remove selected layer(s)"),
923                    sensitive = _can_remove_layer)
924    
925  # Layer menu  # Layer menu
926  _method_command("layer_add", "&Add Layer", "AddLayer",  _method_command("layer_projection", _("Pro&jection..."), "LayerProjection",
                 helptext = "Add a new layer to active map")  
 _method_command("layer_remove", "&Remove Layer", "RemoveLayer",  
                 helptext = "Remove selected layer(s)",  
                 sensitive = _has_selected_layer)  
 _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",  
                 helptext = "Set the fill color of selected layer(s)",  
                 sensitive = _has_selected_layer)  
 _method_command("layer_transparent_fill", "&Transparent Fill",  
                 "LayerTransparentFill",  
                 helptext = "Do not fill the selected layer(s)",  
927                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
928  _method_command("layer_outline_color", "&Outline Color", "LayerOutlineColor",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
929                  helptext = "Set the outline color of selected layer(s)",                  helptext = _("Raise selected layer(s)"),
930                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
931  _method_command("layer_no_outline", "&No Outline", "LayerNoOutline",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
932                  helptext = "Do not draw the outline of the selected layer(s)",                  helptext = _("Lower selected layer(s)"),
933                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
934  _method_command("layer_raise", "&Raise", "RaiseLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
935                  helptext = "Raise selected layer(s)",                  helptext = _("Make selected layer(s) visible"),
936                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
937  _method_command("layer_lower", "&Lower", "LowerLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
938                  helptext = "Lower selected layer(s)",                  helptext = _("Make selected layer(s) unvisible"),
939                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
940  _method_command("layer_show", "&Show", "ShowLayer",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
941                  helptext = "Make selected layer(s) visible",                  helptext = _("Show the selected layer's table"),
942                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
943  _method_command("layer_hide", "&Hide", "HideLayer",  _method_command("layer_properties", _("&Properties..."), "LayerEditProperties",
                 helptext = "Make selected layer(s) unvisible",  
944                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
945  _method_command("layer_show_table", "Show Ta&ble", "LayerShowTable",  _method_command("layer_jointable", _("&Join Table..."), "LayerJoinTable",
                 helptext = "Show the selected layer's table",  
946                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
947    
948    def _can_unjoin(context):
949        """Return whether the Layer/Unjoin command can be executed.
950    
951  # the menu structure      This is the case if a layer is selected and that layer has a
952  main_menu = Menu("<main>", "<main>",      shapestore that has an original shapestore.
953                   [Menu("file", "&File",      """
954                         ["new_session", "open_session", None,      layer = context.mainwindow.SelectedLayer()
955                          "save_session", "save_session_as", None,      if layer is None:
956                          "show_session_tree", None,          return 0
957                          "exit"]),      getstore = getattr(layer, "ShapeStore", None)
958                    Menu("map", "&Map",      if getstore is not None:
959                         ["layer_add", "layer_remove",          return getstore().OrigShapeStore() is not None
960        else:
961            return 0
962    _method_command("layer_unjointable", _("&Unjoin Table..."), "LayerUnjoinTable",
963                    sensitive = _can_unjoin)
964    
965    # Table menu
966    _method_command("table_open", _("&Open..."), "TableOpen")
967    _method_command("table_close", _("&Close"), "TableClose",
968           sensitive = lambda context: bool(context.session.UnreferencedTables()))
969    _method_command("table_show", _("&Show"), "TableShow")
970    _method_command("table_join", _("&Join..."), "TableJoin")
971    
972    #  Export only under Windows ...
973    map_menu = ["layer_add", "rasterlayer_add", "layer_remove", "map_rename",
974                          None,                          None,
975                          "map_projection",                          "map_projection",
976                          None,                          None,
977                          "map_zoom_in_tool", "map_zoom_out_tool",                          "map_zoom_in_tool", "map_zoom_out_tool",
978                          "map_pan_tool", "map_identify_tool", "map_label_tool",                          "map_pan_tool",
979                          None,                          "map_full_extent",
980                          "map_full_extent",                          "layer_full_extent",
981                            "selected_full_extent",
982                          None,                          None,
983                          "map_print"]),                          "map_identify_tool", "map_label_tool",
                   Menu("layer", "&Layer",  
                        ["layer_fill_color", "layer_transparent_fill",  
                         "layer_outline_color", "layer_no_outline",  
984                          None,                          None,
985                          "layer_raise", "layer_lower",                          "toggle_legend",
986                            None]
987    if wxPlatform == '__WXMSW__':
988        map_menu.append("map_export")
989    map_menu.append("map_print")
990    
991    # the menu structure
992    main_menu = Menu("<main>", "<main>",
993                     [Menu("file", _("&File"),
994                           ["new_session", "open_session", None,
995                            "save_session", "save_session_as", None,
996                            "toggle_session_tree", None,
997                            "exit"]),
998                      Menu("map", _("&Map"), map_menu),
999                      Menu("layer", _("&Layer"),
1000                            ["layer_raise", "layer_lower",
1001                          None,                          None,
1002                          "layer_show", "layer_hide",                          "layer_show", "layer_hide",
1003                          None,                          None,
1004                          "layer_show_table"]),                          "layer_projection",
1005                    Menu("help", "&Help",                          None,
1006                            "layer_show_table",
1007                            "layer_jointable",
1008                            "layer_unjointable",
1009                            None,
1010                            "layer_properties"]),
1011                      Menu("table", _("&Table"),
1012                           ["table_open", "table_close",
1013                           None,
1014                           "table_show",
1015                           None,
1016                           "table_join"]),
1017                      Menu("help", _("&Help"),
1018                         ["help_about"])])                         ["help_about"])])
1019    
1020  # the main toolbar  # the main toolbar
1021    
1022  main_toolbar = Menu("<toolbar>", "<toolbar>",  main_toolbar = Menu("<toolbar>", "<toolbar>",
1023                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                      ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
1024                       "map_identify_tool", "map_label_tool", "map_full_extent"])                       "map_full_extent",
1025                         "layer_full_extent",
1026                         "selected_full_extent",
1027                         None,
1028                         "map_identify_tool", "map_label_tool"])
Legend:
Removed from v.227  
changed lines
  Added in v.1084
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26