/[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 33 by bh, Thu Sep 6 15:31:31 2001 UTC revision 573 by jonathan, Fri Mar 28 17:07:06 2003 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001 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  import sys, os  __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"
16    #__BuildDate__ = "$Date$"
17    
18    import os
19    
20  from wxPython.wx import *  from wxPython.wx import *
21    
22  import Thuban  import Thuban
23  from Thuban.Model.session import Session  from Thuban import _
24  from Thuban.Model.map import Map  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
27  from Thuban.Model.proj import Projection  from Thuban.Model.proj import Projection
# Line 27  import view Line 30  import view
30  import tree  import tree
31  import proj4dialog  import proj4dialog
32  import tableview, identifyview  import tableview, identifyview
33    import classifier
34    import legend
35    from menu import Menu
36    
37    from context import Context
38    from command import registry, Command, ToolCommand
39    from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION, DOCKABLE_DOCKED, DOCKABLE_UNDOCKED, DOCKABLE_CLOSED
40    
41  import main  from Thuban.UI.dock import DockableWindow, DockFrame, DockPanel
 from command import registry, Command  
 from messages import SELECTED_SHAPE  
42    
43    
44  # the directory where the toolbar icons are stored  # the directory where the toolbar icons are stored
45  bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")  bitmapdir = os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Bitmaps")
46  bitmapext = ".xpm"  bitmapext = ".xpm"
47    
48    ID_WINDOW_LEGEND = 4001
49    ID_WINDOW_CANVAS = 4002
50    
51    
52    class MainWindow(DockFrame):
53    
54  class MainWindow(wxFrame):      # Some messages that can be subscribed/unsubscribed directly through
55        # the MapCanvas come in fact from other objects. This is a map to
56        # map those messages to the names of the instance variables they
57        # actually come from. This delegation is implemented in the
58        # Subscribe and unsubscribed methods
59        delegated_messages = {LAYER_SELECTED: "canvas",
60                              SHAPES_SELECTED: "canvas"}
61    
62        # Methods delegated to some instance variables. The delegation is
63        # implemented in the __getattr__ method.
64        delegated_methods = {"SelectLayer": "canvas",
65                             "SelectShapes": "canvas",
66                             }
67    
68        def __init__(self, parent, ID, title, application, interactor,
69                     initial_message = None, size = wxSize(-1, -1)):
70            DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
71            #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
72    
73      def __init__(self, parent, ID, interactor):          self.application = application
         wxFrame.__init__(self, parent, ID, 'Thuban',  
                          wxDefaultPosition, wxSize(400, 300))  
74    
75          self.CreateStatusBar()          self.CreateStatusBar()
76          self.SetStatusText("This is the wxPython-based "          if initial_message:
77                        "Graphical User Interface for exploring geographic data")              self.SetStatusText(initial_message)
78    
79          self.identify_view = None          self.identify_view = None
80    
81          self.init_ids()          self.init_ids()
82    
83          menuBar = wxMenuBar()          # creat the menubar from the main_menu description
84            self.SetMenuBar(self.build_menu_bar(main_menu))
85    
86          menu = wxMenu()          # Similarly, create the toolbar from main_toolbar
87          menuBar.Append(menu, "&File");          toolbar = self.build_toolbar(main_toolbar)
         for name in ["new_session", "open_session", None,  
                      "save_session", "save_session_as", None,  
                      "exit"]:  
             self.add_menu_command(menu, name)  
   
         menu = wxMenu()  
         menuBar.Append(menu, "&Map");  
         for name in ["map_projection",  
                      None,  
                      "map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",  
                      "map_identify_tool", "map_label_tool",  
                      None,  
                      "map_full_extent",  
                      None,  
                      "map_print"]:  
             self.add_menu_command(menu, name)  
   
         menu = wxMenu()  
         menuBar.Append(menu, "&Layer");  
         for name in ["layer_add", "layer_remove",  
                      None,  
                      "layer_fill_color", "layer_transparent_fill",  
                      "layer_ourline_color", "layer_no_outline",  
                      None,  
                      "layer_raise", "layer_lower",  
                      None,  
                      "layer_show", "layer_hide",  
                      None,  
                      "layer_show_table"]:  
             self.add_menu_command(menu, name)  
   
         menu = wxMenu()  
         menuBar.Append(menu, "&Help");  
         self.add_menu_command(menu, "help_about")  
   
         self.SetMenuBar(menuBar)  
   
         # toolbar  
         toolbar = self.CreateToolBar(wxTB_3DBUTTONS)  
         for name in ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",  
                      "map_identify_tool", "map_label_tool"]:  
             self.add_toolbar_command(toolbar, name)  
88          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
89          toolbar.Realize()          toolbar.Realize()
90    
91    
92          # Create the map canvas          # Create the map canvas
93          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1)
94            canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
95            canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
96          self.canvas = canvas          self.canvas = canvas
97    
98          self.init_dialogs()          self.SetMainWindow(self.canvas)
99    
100            self.SetAutoLayout(True)
101    
102          interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand)          self.init_dialogs()
103    
104          EVT_CLOSE(self, self.OnClose)          EVT_CLOSE(self, self.OnClose)
105    
106        def Subscribe(self, channel, *args):
107            """Subscribe a function to a message channel.
108    
109            If channel is one of the delegated messages call the appropriate
110            object's Subscribe method. Otherwise do nothing.
111            """
112            if channel in self.delegated_messages:
113                object = getattr(self, self.delegated_messages[channel])
114                object.Subscribe(channel, *args)
115            else:
116                print "Trying to subscribe to unsupported channel %s" % channel
117    
118        def Unsubscribe(self, channel, *args):
119            """Unsubscribe a function from a message channel.
120    
121            If channel is one of the delegated messages call the appropriate
122            object's Unsubscribe method. Otherwise do nothing.
123            """
124            if channel in self.delegated_messages:
125                object = getattr(self, self.delegated_messages[channel])
126                object.Unsubscribe(channel, *args)
127    
128        def __getattr__(self, attr):
129            """If attr is one of the delegated methods return that method
130    
131            Otherwise raise AttributeError.
132            """
133            if attr in self.delegated_methods:
134                return getattr(getattr(self, self.delegated_methods[attr]), attr)
135            raise AttributeError(attr)
136    
137      def init_ids(self):      def init_ids(self):
138          """Initialize the ids"""          """Initialize the ids"""
139          self.current_id = 6000          self.current_id = 6000
140          self.id_to_name = {}          self.id_to_name = {}
141          self.name_to_id = {}          self.name_to_id = {}
142            self.events_bound = {}
143    
144      def get_id(self, name):      def get_id(self, name):
145          """Return the wxWindows id for the command named name.          """Return the wxWindows id for the command named name.
# Line 128  class MainWindow(wxFrame): Line 152  class MainWindow(wxFrame):
152              self.name_to_id[name] = ID              self.name_to_id[name] = ID
153              self.id_to_name[ID] = name              self.id_to_name[ID] = name
154          return ID          return ID
155            
156        def bind_command_events(self, command, ID):
157            """Bind the necessary events for the given command and ID"""
158            if not self.events_bound.has_key(ID):
159                # the events haven't been bound yet
160                EVT_MENU(self, ID, self.invoke_command)
161                if command.IsDynamic():
162                    EVT_UPDATE_UI(self, ID, self.update_command_ui)
163    
164        def build_menu_bar(self, menudesc):
165            """Build and return the menu bar from the menu description"""
166            menu_bar = wxMenuBar()
167    
168            for item in menudesc.items:
169                # here the items must all be Menu instances themselves
170                menu_bar.Append(self.build_menu(item), item.title)
171    
172            return menu_bar
173    
174        def build_menu(self, menudesc):
175            """Return a wxMenu built from the menu description menudesc"""
176            wxmenu = wxMenu()
177            last = None
178            for item in menudesc.items:
179                if item is None:
180                    # a separator. Only add one if the last item was not a
181                    # separator
182                    if last is not None:
183                        wxmenu.AppendSeparator()
184                elif isinstance(item, Menu):
185                    # a submenu
186                    wxmenu.AppendMenu(wxNewId(), item.title, self.build_menu(item))
187                else:
188                    # must the name the name of a command
189                    self.add_menu_command(wxmenu, item)
190                last = item
191            return wxmenu
192    
193        def build_toolbar(self, toolbardesc):
194            """Build and return the main toolbar window from a toolbar description
195    
196            The parameter should be an instance of the Menu class but it
197            should not contain submenus.
198            """
199            toolbar = self.CreateToolBar(wxTB_3DBUTTONS)
200    
201            # set the size of the tools' bitmaps. Not needed on wxGTK, but
202            # on Windows, although it doesn't work very well there. It seems
203            # that only 16x16 icons are really supported on windows.
204            # We probably shouldn't hardwire the bitmap size here.
205            toolbar.SetToolBitmapSize(wxSize(24, 24))
206    
207            for item in toolbardesc.items:
208                if item is None:
209                    toolbar.AddSeparator()
210                else:
211                    # assume it's a string.
212                    self.add_toolbar_command(toolbar, item)
213    
214            return toolbar
215    
216      def add_menu_command(self, menu, name):      def add_menu_command(self, menu, name):
217          """Add the command with name name to the menu menu.          """Add the command with name name to the menu menu.
218    
# Line 142  class MainWindow(wxFrame): Line 226  class MainWindow(wxFrame):
226                  ID = self.get_id(name)                  ID = self.get_id(name)
227                  menu.Append(ID, command.Title(), command.HelpText(),                  menu.Append(ID, command.Title(), command.HelpText(),
228                              command.IsCheckCommand())                              command.IsCheckCommand())
229                  EVT_MENU(self, ID, self.invoke_command)                  self.bind_command_events(command, ID)
                 if command.IsDynamic():  
                     EVT_UPDATE_UI(self, ID, self.update_command_ui)  
230              else:              else:
231                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
232    
233      def add_toolbar_command(self, toolbar, name):      def add_toolbar_command(self, toolbar, name):
234          """Add the command with name name to the toolbar toolbar.          """Add the command with name name to the toolbar toolbar.
# Line 166  class MainWindow(wxFrame): Line 248  class MainWindow(wxFrame):
248                  toolbar.AddTool(ID, bitmap,                  toolbar.AddTool(ID, bitmap,
249                                  shortHelpString = command.HelpText(),                                  shortHelpString = command.HelpText(),
250                                  isToggle = command.IsCheckCommand())                                  isToggle = command.IsCheckCommand())
251                    self.bind_command_events(command, ID)
252              else:              else:
253                  print "Unknown command %s" % name                  print _("Unknown command %s") % name
254    
255        def Context(self):
256            """Return the context object for a command invoked from this window
257            """
258            return Context(self.application, self.application.Session(), self)
259    
260      def invoke_command(self, event):      def invoke_command(self, event):
261          name = self.id_to_name.get(event.GetId())          name = self.id_to_name.get(event.GetId())
262          if name is not None:          if name is not None:
263              command = registry.Command(name)              command = registry.Command(name)
264              command.Execute(self)              command.Execute(self.Context())
265          else:          else:
266              print "Unknown command ID %d" % event.GetId()              print _("Unknown command ID %d") % event.GetId()
267    
268      def update_command_ui(self, event):      def update_command_ui(self, event):
269          #print "update_command_ui", self.id_to_name[event.GetId()]          #print "update_command_ui", self.id_to_name[event.GetId()]
270            context = self.Context()
271          command = registry.Command(self.id_to_name[event.GetId()])          command = registry.Command(self.id_to_name[event.GetId()])
272          if command is not None:          if command is not None:
273              event.Enable(command.Sensitive(self))              sensitive = command.Sensitive(context)
274              event.SetText(command.DynText(self))              event.Enable(sensitive)
275                if command.IsTool() and not sensitive and command.Checked(context):
276                    # When a checked tool command is disabled deselect all
277                    # tools. Otherwise the tool would remain active but it
278                    # might lead to errors if the tools stays active. This
279                    # problem occurred in GREAT-ER and this fixes it, but
280                    # it's not clear to me whether this is really the best
281                    # way to do it (BH, 20021206).
282                    self.canvas.SelectTool(None)
283                event.SetText(command.DynText(context))
284              if command.IsCheckCommand():              if command.IsCheckCommand():
285                  event.Check(command.Checked(self))                      event.Check(command.Checked(context))
286    
287      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
288          """Run a modla message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
289          and return the result"""          and return the result"""
290          dlg = wxMessageDialog(self, text, title, flags)          dlg = wxMessageDialog(self, text, title, flags)
291            dlg.CenterOnParent()
292          result = dlg.ShowModal()          result = dlg.ShowModal()
293          dlg.Destroy()          dlg.Destroy()
294          return result          return result
# Line 203  class MainWindow(wxFrame): Line 302  class MainWindow(wxFrame):
302    
303      def add_dialog(self, name, dialog):      def add_dialog(self, name, dialog):
304          if self.dialogs.has_key(name):          if self.dialogs.has_key(name):
305              raise RuntimeError("The Dialog named %s is already open" % name)              raise RuntimeError(_("The Dialog named %s is already open") % name)
306          self.dialogs[name] = dialog          self.dialogs[name] = dialog
307    
308      def dialog_open(self, name):      def dialog_open(self, name):
# Line 215  class MainWindow(wxFrame): Line 314  class MainWindow(wxFrame):
314      def get_open_dialog(self, name):      def get_open_dialog(self, name):
315          return self.dialogs.get(name)          return self.dialogs.get(name)
316    
317        def view_position_changed(self):
318            pos = self.canvas.CurrentPosition()
319            if pos is not None:
320                text = "(%10.10g, %10.10g)" % pos
321            else:
322                text = ""
323            self.set_position_text(text)
324    
325        def set_position_text(self, text):
326            """Set the statusbar text showing the current position.
327    
328            By default the text is shown in field 0 of the status bar.
329            Override this method in derived classes to put it into a
330            different field of the statusbar.
331            """
332            self.SetStatusText(text)
333    
334        def save_modified_session(self, can_veto = 1):
335            """If the current session has been modified, ask the user
336            whether to save it and do so if requested. Return the outcome of
337            the dialog (either wxID_OK, wxID_CANCEL or wxID_NO). If the
338            dialog wasn't run return wxID_NO.
339    
340            If the can_veto parameter is true (default) the dialog includes
341            a cancel button, otherwise not.
342            """
343            if self.application.session.WasModified():
344                flags = wxYES_NO | wxICON_QUESTION
345                if can_veto:
346                    flags = flags | wxCANCEL
347                result = self.RunMessageBox(_("Exit"),
348                                            _("The session has been modified."
349                                             " Do you want to save it?"),
350                                            flags)
351                if result == wxID_YES:
352                    self.SaveSession()
353            else:
354                result = wxID_NO
355            return result
356    
357        def prepare_new_session(self):
358            for d in self.dialogs.values():
359                if not isinstance(d, tree.SessionTreeView):
360                    d.Close()
361    
362      def NewSession(self):      def NewSession(self):
363          session = Session("")          self.save_modified_session()
364          session.AddMap(Map(""))          self.prepare_new_session()
365          main.app.SetSession(session)          self.application.SetSession(create_empty_session())
366    
367      def OpenSession(self):      def OpenSession(self):
368          dlg = wxFileDialog(self, "Select a session file", ".", "",          self.save_modified_session()
369                             "*.session", wxOPEN)          dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)
370          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
371              main.app.OpenSession(dlg.GetPath())              self.prepare_new_session()
372                self.application.OpenSession(dlg.GetPath())
373          dlg.Destroy()          dlg.Destroy()
374    
375      def SaveSession(self):      def SaveSession(self):
376          main.app.SaveSession()          if self.application.session.filename == None:
377                self.SaveSessionAs()
378            else:
379                self.application.SaveSession()
380    
381      def SaveSessionAs(self):      def SaveSessionAs(self):
382          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, _("Save Session As"), ".", "",
383                             "*.session", wxOPEN)                             "*.thuban", wxOPEN)
384          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
385              main.app.session.SetFilename(dlg.GetPath())              self.application.session.SetFilename(dlg.GetPath())
386              main.app.SaveSession()              self.application.SaveSession()
387          dlg.Destroy()          dlg.Destroy()
388    
389      def Exit(self):      def Exit(self):
390          self.Close(false)          self.Close(false)
391    
392      def OnClose(self, event):      def OnClose(self, event):
393          veto = 0          result = self.save_modified_session(can_veto = event.CanVeto())
394          if main.app.session.WasModified():          if result == wxID_CANCEL:
             flags = wxYES_NO | wxICON_QUESTION  
             if event.CanVeto():  
                 flags = flags | wxCANCEL  
             result = self.RunMessageBox("Exit",  
                                         ("The session has been modified."  
                                          " Do you want to save it?"),  
                                         flags)  
             if result == wxID_YES:  
                 self.SaveSession()  
             elif result == wxID_CANCEL:  
                 veto = 1  
   
         if veto:  
395              event.Veto()              event.Veto()
396          else:          else:
397                # FIXME: it would be better to tie the unsubscription to
398                # wx's destroy event, but that isn't implemented for wxGTK
399                # yet.
400                self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
401              self.Destroy()              self.Destroy()
402    
403      def SetMap(self, map):      def SetMap(self, map):
404          self.canvas.SetMap(map)          self.canvas.SetMap(map)
405            #self.legendPanel.SetMap(map)
406    
407        def Map(self):
408            """Return the map displayed by this mainwindow"""
409    
410            # sanity check
411            #assert(self.canvas.Map() is self.legendPanel.GetMap())
412    
413            return self.canvas.Map()
414    
415        def ShowSessionTree(self):
416            name = "session_tree"
417            dialog = self.get_open_dialog(name)
418            if dialog is None:
419                dialog = tree.SessionTreeView(self, self.application, name)
420                self.add_dialog(name, dialog)
421                dialog.Show(True)
422            else:
423                # FIXME: bring dialog to front here
424                pass
425    
426    
427      def About(self):      def About(self):
428          self.RunMessageBox("About",          self.RunMessageBox(_("About"),
429                             ("Thuban is a program for\n"                             _("Thuban v%s\n"
430                                #"Build Date: %s\n"
431                                "\n"
432                                "Thuban is a program for\n"
433                              "exploring geographic data.\n"                              "exploring geographic data.\n"
434                              "Copyright (C) 2001 Intevation GmbH.\n"                              "Copyright (C) 2001-2003 Intevation GmbH.\n"
435                              "Thuban is licensed under the GPL"),                              "Thuban is licensed under the GNU GPL"
436                               % __ThubanVersion__), #__BuildDate__)),
437                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
438    
439      def AddLayer(self):      def AddLayer(self):
440          dlg = wxFileDialog(self, "Select a session file", ".", "", "*.*",          dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
441                             wxOPEN)                             wxOPEN)
442          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
443              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 285  class MainWindow(wxFrame): Line 449  class MainWindow(wxFrame):
449                  map.AddLayer(layer)                  map.AddLayer(layer)
450              except IOError:              except IOError:
451                  # the layer couldn't be opened                  # the layer couldn't be opened
452                  self.RunMessageBox("Add Layer",                  self.RunMessageBox(_("Add Layer"),
453                                     "Can't open the file '%s'." % filename)                                     _("Can't open the file '%s'.") % filename)
454              else:              else:
455                  if not has_layers:                  if not has_layers:
456                      # if we're adding a layer to an empty map, for the                      # if we're adding a layer to an empty map, fit the
457                      # new map to the window                      # new map to the window
458                      self.canvas.FitMapToWindow()                      self.canvas.FitMapToWindow()
459          dlg.Destroy()          dlg.Destroy()
# Line 299  class MainWindow(wxFrame): Line 463  class MainWindow(wxFrame):
463          if layer is not None:          if layer is not None:
464              self.canvas.Map().RemoveLayer(layer)              self.canvas.Map().RemoveLayer(layer)
465    
466        def CanRemoveLayer(self):
467            """Return true if the currently selected layer can be deleted.
468    
469            If no layer is selected return false.
470    
471            The return value of this method determines whether the remove
472            layer command is sensitive in menu.
473            """
474            layer = self.current_layer()
475            if layer is not None:
476                return self.canvas.Map().CanRemoveLayer(layer)
477            return 0
478    
479      def RaiseLayer(self):      def RaiseLayer(self):
480          layer = self.current_layer()          layer = self.current_layer()
481          if layer is not None:          if layer is not None:
482              self.canvas.Map().RaiseLayer(layer)              self.canvas.Map().RaiseLayer(layer)
483            
484      def LowerLayer(self):      def LowerLayer(self):
485          layer = self.current_layer()          layer = self.current_layer()
486          if layer is not None:          if layer is not None:
# Line 314  class MainWindow(wxFrame): Line 491  class MainWindow(wxFrame):
491    
492          If no layer is selected, return None          If no layer is selected, return None
493          """          """
494          tree = main.app.tree.tree          return self.canvas.SelectedLayer()
         layer = tree.GetPyData(tree.GetSelection())  
         if isinstance(layer, Layer):  
             return layer  
         return None  
495    
496      def has_selected_layer(self):      def has_selected_layer(self):
497          """Return true if a layer is currently selected"""          """Return true if a layer is currently selected"""
498          tree = main.app.tree.tree          return self.canvas.HasSelectedLayer()
         layer = tree.GetPyData(tree.GetSelection())  
         return isinstance(layer, Layer)  
499    
500      def choose_color(self):      def choose_color(self):
501          """Run the color selection dialog and return the selected color.          """Run the color selection dialog and return the selected color.
# Line 347  class MainWindow(wxFrame): Line 518  class MainWindow(wxFrame):
518          if layer is not None:          if layer is not None:
519              color = self.choose_color()              color = self.choose_color()
520              if color is not None:              if color is not None:
521                  layer.SetFill(color)                  layer.GetClassification().SetDefaultFill(color)
522    
523      def LayerTransparentFill(self):      def LayerTransparentFill(self):
524          layer = self.current_layer()          layer = self.current_layer()
525          if layer is not None:          if layer is not None:
526              layer.SetFill(None)              layer.GetClassification().SetDefaultFill(Color.None)
527    
528      def LayerOutlineColor(self):      def LayerOutlineColor(self):
529          layer = self.current_layer()          layer = self.current_layer()
530          if layer is not None:          if layer is not None:
531              color = self.choose_color()              color = self.choose_color()
532              if color is not None:              if color is not None:
533                  layer.SetStroke(color)                  layer.GetClassification().SetDefaultLineColor(color)
534    
535      def LayerNoOutline(self):      def LayerNoOutline(self):
536          layer = self.current_layer()          layer = self.current_layer()
537          if layer is not None:          if layer is not None:
538              layer.SetStroke(None)              layer.GetClassification().SetDefaultLineColor(Color.None)
539    
540      def HideLayer(self):      def HideLayer(self):
541          layer = self.current_layer()          layer = self.current_layer()
# Line 383  class MainWindow(wxFrame): Line 554  class MainWindow(wxFrame):
554              name = "table_view" + str(id(table))              name = "table_view" + str(id(table))
555              dialog = self.get_open_dialog(name)              dialog = self.get_open_dialog(name)
556              if dialog is None:              if dialog is None:
557                  dialog = tableview.TableFrame(self, main.app.interactor, name,                  dialog = tableview.LayerTableFrame(self, name,
558                                                "Table: %s" % layer.Title(),                                                 _("Table: %s") % layer.Title(),
559                                                layer, table)                                                     layer, table)
560                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
561                  dialog.Show(true)                  dialog.Show(true)
562              else:              else:
# Line 396  class MainWindow(wxFrame): Line 567  class MainWindow(wxFrame):
567          map = self.canvas.Map()          map = self.canvas.Map()
568          proj = map.projection          proj = map.projection
569          if proj is None:          if proj is None:
570              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None)              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())
571          else:          else:
572              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params)              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,
573                                                   map.BoundingBox())
574          if proj4Dlg.ShowModal() == wxID_OK:          if proj4Dlg.ShowModal() == wxID_OK:
575              params = proj4Dlg.GetParams()              params = proj4Dlg.GetParams()
576              if params is not None:              if params is not None:
# Line 408  class MainWindow(wxFrame): Line 580  class MainWindow(wxFrame):
580              map.SetProjection(proj)              map.SetProjection(proj)
581          proj4Dlg.Destroy()          proj4Dlg.Destroy()
582    
583        def Classify(self):
584    
585            #
586            # the menu option for this should only be available if there
587            # is a current layer, so we don't need to check if the
588            # current layer is None
589            #
590    
591            layer = self.current_layer()
592            self.OpenClassifier(layer)
593    
594        def OpenClassifier(self, layer, group = None):
595            name = "classifier" + str(id(layer))
596            dialog = self.get_open_dialog(name)
597    
598            if dialog is None:
599                dialog = classifier.Classifier(self, name, layer, group)
600                self.add_dialog(name, dialog)
601                dialog.Show()
602            dialog.Raise()
603    
604    
605        def ShowLegend(self, switch = False):
606            name = "legend"
607            dialog = self.FindRegisteredDock(name)
608    
609            if dialog is None:
610                title = "Legend: %s" % self.Map().Title()
611                dialog = self.CreateDock(name, -1, title, wxLAYOUT_LEFT)
612                legend.LegendPanel(dialog, None, self)
613    
614            dialog.GetPanel().SetMap(self.Map())
615            dialog.Show()
616    
617      def ZoomInTool(self):      def ZoomInTool(self):
618          self.canvas.ZoomInTool()          self.canvas.ZoomInTool()
619    
# Line 419  class MainWindow(wxFrame): Line 625  class MainWindow(wxFrame):
625    
626      def IdentifyTool(self):      def IdentifyTool(self):
627          self.canvas.IdentifyTool()          self.canvas.IdentifyTool()
628            self.identify_view_on_demand(None, None)
629    
630      def LabelTool(self):      def LabelTool(self):
631          self.canvas.LabelTool()          self.canvas.LabelTool()
# Line 429  class MainWindow(wxFrame): Line 636  class MainWindow(wxFrame):
636      def PrintMap(self):      def PrintMap(self):
637          self.canvas.Print()          self.canvas.Print()
638    
639      def identify_view_on_demand(self, layer, shape):      def identify_view_on_demand(self, layer, shapes):
640          name = "identify_view"          name = "identify_view"
641          if self.canvas.CurrentTool() == "IdentifyTool":          if self.canvas.CurrentTool() == "IdentifyTool":
642              if not self.dialog_open(name):              if not self.dialog_open(name):
643                  dialog = identifyview.IdentifyView(self, main.app.interactor,                  dialog = identifyview.IdentifyView(self, name)
                                                    name)  
644                  self.add_dialog(name, dialog)                  self.add_dialog(name, dialog)
645                  dialog.Show(true)                  dialog.Show(True)
646              else:              else:
647                  # FIXME: bring dialog to front?                  # FIXME: bring dialog to front?
648                  pass                  pass
# Line 448  class MainWindow(wxFrame): Line 654  class MainWindow(wxFrame):
654    
655  # Helper functions to define common command implementations  # Helper functions to define common command implementations
656  def call_method(context, methodname, *args):  def call_method(context, methodname, *args):
657      """Call the context's method methodname with args *args"""      """Call the mainwindow's method methodname with args *args"""
658      apply(getattr(context, methodname), args)      apply(getattr(context.mainwindow, methodname), args)
659    
660  def _method_command(name, title, method, helptext = "", sensitive = None):  def _method_command(name, title, method, helptext = "",
661      """Add a command implemented by a method of the context object"""                      icon = "", sensitive = None):
662        """Add a command implemented by a method of the mainwindow object"""
663      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
664                           helptext = helptext, sensitive = sensitive))                           helptext = helptext, icon = icon,
665                             sensitive = sensitive))
666    
667    def make_check_current_tool(toolname):
668        """Return a function that tests if the currently active tool is toolname
669    
670        The returned function can be called with the context and returns
671        true iff the currently active tool's name is toolname. It's directly
672        usable as the 'checked' callback of a command.
673        """
674        def check_current_tool(context, name=toolname):
675            return context.mainwindow.canvas.CurrentTool() == name
676        return check_current_tool
677    
678  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
679                    icon = ""):                    icon = "", sensitive = None):
680      """Add a tool command"""      """Add a tool command"""
681      def check_current_tool(context, name=toolname):      registry.Add(ToolCommand(name, title, call_method, args=(method,),
682          return context.canvas.CurrentTool() == name                               helptext = helptext, icon = icon,
683      registry.Add(Command(name, title, call_method, args=(method,),                               checked = make_check_current_tool(toolname),
684                           helptext = helptext, icon = icon,                               sensitive = sensitive))
                          checked = check_current_tool))  
685    
686  def _has_selected_layer(context):  def _has_selected_layer(context):
687      """Return true if a layer is selected in the context"""      """Return true if a layer is selected in the context"""
688      return context.has_selected_layer()      return context.mainwindow.has_selected_layer()
689    
690    def _can_remove_layer(context):
691        return context.mainwindow.CanRemoveLayer()
692    
693    def _has_tree_window_shown(context):
694        """Return true if the tree window is shown"""
695        return context.mainwindow.get_open_dialog("session_tree") is None
696    
697    def _has_visible_map(context):
698        """Return true iff theres a visible map in the mainwindow.
699    
700        A visible map is a map with at least one visible layer."""
701        map = context.mainwindow.Map()
702        if map is not None:
703            for layer in map.Layers():
704                if layer.Visible():
705                    return 1
706        return 0
707    
708    def _has_legend_shown(context):
709        """Return true if the legend window is shown"""
710        return context.mainwindow.FindRegisteredDock("legend") is None
711    
712    
713  # File menu  # File menu
714  _method_command("new_session", "&New Session", "NewSession")  _method_command("new_session", _("&New Session"), "NewSession")
715  _method_command("open_session", "&Open Session", "OpenSession")  _method_command("open_session", _("&Open Session"), "OpenSession")
716  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("save_session", _("&Save Session"), "SaveSession")
717  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")  _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")
718  _method_command("exit", "&Exit", "Exit")  _method_command("show_session_tree", _("Show Session &Tree"), "ShowSessionTree",
719                    sensitive = _has_tree_window_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  _tool_command("map_zoom_out_tool", "Zoom &out", "ZoomOutTool", "ZoomOutTool",                sensitive = _has_visible_map)
732                helptext = "Switch to map-mode 'zoom-out'", icon = "zoom_out")  _tool_command("map_zoom_out_tool", _("Zoom &out"), "ZoomOutTool", "ZoomOutTool",
733  _tool_command("map_pan_tool", "&Pan", "PanTool", "PanTool",                helptext = _("Switch to map-mode 'zoom-out'"), icon = "zoom_out",
734                helptext = "Switch to map-mode 'pan'", icon = "pan")                sensitive = _has_visible_map)
735  _tool_command("map_identify_tool", "&Identify", "IdentifyTool", "IdentifyTool",  _tool_command("map_pan_tool", _("&Pan"), "PanTool", "PanTool",
736                helptext = "Switch to map-mode 'identify'", icon = "identify")                helptext = _("Switch to map-mode 'pan'"), icon = "pan",
737  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",                sensitive = _has_visible_map)
738                helptext = "Add/Remove labels", icon = "label")  _tool_command("map_identify_tool", _("&Identify"), "IdentifyTool",
739  _method_command("map_full_extent", "&Full extent", "FullExtent")                "IdentifyTool",
740  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")                helptext = _("Switch to map-mode 'identify'"), icon = "identify",
741                  sensitive = _has_visible_map)
742    _tool_command("map_label_tool", _("&Label"), "LabelTool", "LabelTool",
743                  helptext = _("Add/Remove labels"), icon = "label",
744                  sensitive = _has_visible_map)
745    _method_command("map_full_extent", _("&Full extent"), "FullExtent",
746                   helptext = _("Full Extent"), icon = "fullextent",
747                  sensitive = _has_visible_map)
748    _method_command("map_print", _("Prin&t"), "PrintMap",
749                    helptext = _("Print the map"))
750    
751  # Layer menu  # Layer menu
752  _method_command("layer_add", "&Add", "AddLayer",  _method_command("layer_add", _("&Add Layer"), "AddLayer",
753                  helptext = "Add a new layer to active map")                  helptext = _("Add a new layer to active map"))
754  _method_command("layer_remove", "&Remove", "RemoveLayer",  _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
755                  helptext = "Remove selected layer(s)",                  helptext = _("Remove selected layer(s)"),
756                  sensitive = _has_selected_layer)                  sensitive = _can_remove_layer)
757  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",  _method_command("layer_fill_color", _("&Fill Color"), "LayerFillColor",
758                  helptext = "Set the fill color of selected layer(s)",                  helptext = _("Set the fill color of selected layer(s)"),
759                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
760  _method_command("layer_transparent_fill", "&Transparent Fill",  _method_command("layer_transparent_fill", _("&Transparent Fill"),
761                  "LayerTransparentFill",                  "LayerTransparentFill",
762                  helptext = "Do not fill the selected layer(s)",                  helptext = _("Do not fill the selected layer(s)"),
763                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
764  _method_command("layer_ourline_color", "&Outline Color", "LayerOutlineColor",  _method_command("layer_outline_color", _("&Outline Color"), "LayerOutlineColor",
765                  helptext = "Set the outline color of selected layer(s)",                  helptext = _("Set the outline color of selected layer(s)"),
766                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
767  _method_command("layer_no_outline", "&No Outline", "LayerNoOutline",  _method_command("layer_no_outline", _("&No Outline"), "LayerNoOutline",
768                  helptext = "Do not draw the outline of the selected layer(s)",                  helptext= _("Do not draw the outline of the selected layer(s)"),
769                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
770  _method_command("layer_raise", "&Raise", "RaiseLayer",  _method_command("layer_raise", _("&Raise"), "RaiseLayer",
771                  helptext = "Raise selected layer(s)",                  helptext = _("Raise selected layer(s)"),
772                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
773  _method_command("layer_lower", "&Lower", "LowerLayer",  _method_command("layer_lower", _("&Lower"), "LowerLayer",
774                  helptext = "Lower selected layer(s)",                  helptext = _("Lower selected layer(s)"),
775                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
776  _method_command("layer_show", "&Show", "ShowLayer",  _method_command("layer_show", _("&Show"), "ShowLayer",
777                  helptext = "Make selected layer(s) visible",                  helptext = _("Make selected layer(s) visible"),
778                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
779  _method_command("layer_hide", "&Hide", "HideLayer",  _method_command("layer_hide", _("&Hide"), "HideLayer",
780                  helptext = "Make selected layer(s) unvisible",                  helptext = _("Make selected layer(s) unvisible"),
781                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
782  _method_command("layer_show_table", "Show Ta&ble", "LayerShowTable",  _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
783                  helptext = "Show the selected layer's table",                  helptext = _("Show the selected layer's table"),
784                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
785    _method_command("layer_classifier", _("Classify"), "Classify",
786                    sensitive = _has_selected_layer)
787    _method_command("show_legend", _("Show Legend"), "ShowLegend",
788                    sensitive = _has_legend_shown)
789    
790    # the menu structure
791    main_menu = Menu("<main>", "<main>",
792                     [Menu("file", _("&File"),
793                           ["new_session", "open_session", None,
794                            "save_session", "save_session_as", None,
795                            "show_session_tree", None,
796                            "show_legend", None,
797                            "exit"]),
798                      Menu("map", _("&Map"),
799                           ["layer_add", "layer_remove",
800                            None,
801                            "map_projection",
802                            None,
803                            "map_zoom_in_tool", "map_zoom_out_tool",
804                            "map_pan_tool", "map_identify_tool", "map_label_tool",
805                            None,
806                            "map_full_extent",
807                            None,
808                            "map_print"]),
809                      Menu("layer", _("&Layer"),
810                           ["layer_fill_color", "layer_transparent_fill",
811                            "layer_outline_color", "layer_no_outline",
812                            None,
813                            "layer_raise", "layer_lower",
814                            None,
815                            "layer_show", "layer_hide",
816                            None,
817                            "layer_show_table",
818                            None,
819                            "layer_classifier"]),
820                      Menu("help", _("&Help"),
821                           ["help_about"])])
822    
823    # the main toolbar
824    
825    main_toolbar = Menu("<toolbar>", "<toolbar>",
826                        ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
827                         "map_full_extent", None,
828                         "map_identify_tool", "map_label_tool"])
Legend:
Removed from v.33  
changed lines
  Added in v.573
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26