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

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

Parent Directory Parent Directory | Revision Log Revision Log


Revision 750 - (hide annotations)
Fri Apr 25 14:22:52 2003 UTC (21 years, 10 months ago) by jonathan
Original Path: trunk/thuban/Thuban/UI/mainwindow.py
File MIME type: text/x-python
File size: 30231 byte(s)
(MainWindow.MapProjection): Set the dialog title to include the map's title.
(MainWindow.LayerProjection): Set the dialog title to include the layer's title.

1 bh 535 # Copyright (C) 2001, 2002, 2003 by Intevation GmbH
2 bh 6 # Authors:
3     # Jan-Oliver Wagner <[email protected]>
4     # Bernhard Herzog <[email protected]>
5     #
6     # This program is free software under the GPL (>=v2)
7     # Read the file COPYING coming with Thuban for details.
8    
9     """
10     The main window
11     """
12    
13     __version__ = "$Revision$"
14    
15 jonathan 517 __ThubanVersion__ = "0.2" #"$THUBAN_0_2$"
16     #__BuildDate__ = "$Date$"
17    
18 bh 188 import os
19 bh 6
20     from wxPython.wx import *
21    
22     import Thuban
23 jan 374 from Thuban import _
24 bh 188 from Thuban.Model.session import create_empty_session
25 bh 6 from Thuban.Model.layer import Layer
26     from Thuban.Model.color import Color
27     from Thuban.Model.proj import Projection
28    
29     import view
30     import tree
31     import proj4dialog
32     import tableview, identifyview
33 jonathan 633 from Thuban.UI.classifier import Classifier
34 jonathan 550 import legend
35 bh 188 from menu import Menu
36 bh 6
37 bh 222 from context import Context
38 bh 357 from command import registry, Command, ToolCommand
39 bh 704 from messages import LAYER_SELECTED, SHAPES_SELECTED, VIEW_POSITION
40 bh 6
41 bh 704 from Thuban.UI.dock import DockFrame
42 bh 6
43 jonathan 653 import resource
44 jonathan 563
45 jonathan 713 import projdialog
46 jonathan 653
47 bh 6
48 jonathan 713
49 jonathan 573 class MainWindow(DockFrame):
50 bh 6
51 bh 535 # Some messages that can be subscribed/unsubscribed directly through
52     # the MapCanvas come in fact from other objects. This is a map to
53     # map those messages to the names of the instance variables they
54     # actually come from. This delegation is implemented in the
55     # Subscribe and unsubscribed methods
56     delegated_messages = {LAYER_SELECTED: "canvas",
57     SHAPES_SELECTED: "canvas"}
58    
59     # Methods delegated to some instance variables. The delegation is
60     # implemented in the __getattr__ method.
61     delegated_methods = {"SelectLayer": "canvas",
62     "SelectShapes": "canvas",
63     }
64    
65 bh 235 def __init__(self, parent, ID, title, application, interactor,
66 bh 238 initial_message = None, size = wxSize(-1, -1)):
67 jonathan 573 DockFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
68     #wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, size)
69 bh 6
70 bh 227 self.application = application
71 bh 37
72 bh 6 self.CreateStatusBar()
73 bh 235 if initial_message:
74     self.SetStatusText(initial_message)
75 bh 6
76     self.identify_view = None
77    
78     self.init_ids()
79    
80 bh 191 # creat the menubar from the main_menu description
81 bh 188 self.SetMenuBar(self.build_menu_bar(main_menu))
82 bh 6
83 bh 191 # Similarly, create the toolbar from main_toolbar
84     toolbar = self.build_toolbar(main_toolbar)
85 bh 13 # call Realize to make sure that the tools appear.
86     toolbar.Realize()
87 bh 6
88 jonathan 563
89 bh 6 # Create the map canvas
90 bh 535 canvas = view.MapCanvas(self, -1)
91 bh 123 canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
92 bh 535 canvas.Subscribe(SHAPES_SELECTED, self.identify_view_on_demand)
93 bh 6 self.canvas = canvas
94    
95 jonathan 573 self.SetMainWindow(self.canvas)
96    
97 jonathan 563 self.SetAutoLayout(True)
98    
99 bh 31 self.init_dialogs()
100    
101 jonathan 580 EVT_CLOSE(self, self._OnClose)
102 bh 6
103 bh 535 def Subscribe(self, channel, *args):
104     """Subscribe a function to a message channel.
105    
106     If channel is one of the delegated messages call the appropriate
107     object's Subscribe method. Otherwise do nothing.
108     """
109     if channel in self.delegated_messages:
110     object = getattr(self, self.delegated_messages[channel])
111     object.Subscribe(channel, *args)
112     else:
113     print "Trying to subscribe to unsupported channel %s" % channel
114    
115     def Unsubscribe(self, channel, *args):
116     """Unsubscribe a function from a message channel.
117    
118     If channel is one of the delegated messages call the appropriate
119     object's Unsubscribe method. Otherwise do nothing.
120     """
121     if channel in self.delegated_messages:
122     object = getattr(self, self.delegated_messages[channel])
123     object.Unsubscribe(channel, *args)
124    
125     def __getattr__(self, attr):
126     """If attr is one of the delegated methods return that method
127    
128     Otherwise raise AttributeError.
129     """
130     if attr in self.delegated_methods:
131     return getattr(getattr(self, self.delegated_methods[attr]), attr)
132     raise AttributeError(attr)
133    
134 bh 6 def init_ids(self):
135     """Initialize the ids"""
136     self.current_id = 6000
137     self.id_to_name = {}
138     self.name_to_id = {}
139 bh 193 self.events_bound = {}
140 bh 6
141     def get_id(self, name):
142     """Return the wxWindows id for the command named name.
143    
144     Create a new one if there isn't one yet"""
145     ID = self.name_to_id.get(name)
146     if ID is None:
147     ID = self.current_id
148     self.current_id = self.current_id + 1
149     self.name_to_id[name] = ID
150     self.id_to_name[ID] = name
151     return ID
152 bh 188
153 bh 193 def bind_command_events(self, command, ID):
154     """Bind the necessary events for the given command and ID"""
155     if not self.events_bound.has_key(ID):
156     # the events haven't been bound yet
157     EVT_MENU(self, ID, self.invoke_command)
158     if command.IsDynamic():
159     EVT_UPDATE_UI(self, ID, self.update_command_ui)
160    
161 bh 188 def build_menu_bar(self, menudesc):
162     """Build and return the menu bar from the menu description"""
163     menu_bar = wxMenuBar()
164    
165     for item in menudesc.items:
166     # here the items must all be Menu instances themselves
167     menu_bar.Append(self.build_menu(item), item.title)
168    
169     return menu_bar
170    
171     def build_menu(self, menudesc):
172 bh 314 """Return a wxMenu built from the menu description menudesc"""
173 bh 188 wxmenu = wxMenu()
174     last = None
175     for item in menudesc.items:
176     if item is None:
177     # a separator. Only add one if the last item was not a
178     # separator
179     if last is not None:
180     wxmenu.AppendSeparator()
181     elif isinstance(item, Menu):
182     # a submenu
183     wxmenu.AppendMenu(wxNewId(), item.title, self.build_menu(item))
184     else:
185     # must the name the name of a command
186     self.add_menu_command(wxmenu, item)
187     last = item
188     return wxmenu
189    
190 bh 191 def build_toolbar(self, toolbardesc):
191     """Build and return the main toolbar window from a toolbar description
192    
193     The parameter should be an instance of the Menu class but it
194     should not contain submenus.
195     """
196     toolbar = self.CreateToolBar(wxTB_3DBUTTONS)
197    
198     # set the size of the tools' bitmaps. Not needed on wxGTK, but
199     # on Windows, although it doesn't work very well there. It seems
200     # that only 16x16 icons are really supported on windows.
201     # We probably shouldn't hardwire the bitmap size here.
202     toolbar.SetToolBitmapSize(wxSize(24, 24))
203    
204     for item in toolbardesc.items:
205     if item is None:
206     toolbar.AddSeparator()
207     else:
208     # assume it's a string.
209     self.add_toolbar_command(toolbar, item)
210    
211     return toolbar
212    
213 bh 6 def add_menu_command(self, menu, name):
214     """Add the command with name name to the menu menu.
215    
216     If name is None, add a separator.
217     """
218     if name is None:
219     menu.AppendSeparator()
220     else:
221     command = registry.Command(name)
222     if command is not None:
223     ID = self.get_id(name)
224     menu.Append(ID, command.Title(), command.HelpText(),
225     command.IsCheckCommand())
226 bh 193 self.bind_command_events(command, ID)
227 bh 6 else:
228 jan 374 print _("Unknown command %s") % name
229 bh 6
230     def add_toolbar_command(self, toolbar, name):
231     """Add the command with name name to the toolbar toolbar.
232    
233     If name is None, add a separator.
234     """
235     # Assume that all toolbar commands are also menu commmands so
236     # that we don't have to add the event handlers here
237     if name is None:
238     toolbar.AddSeparator()
239     else:
240     command = registry.Command(name)
241     if command is not None:
242     ID = self.get_id(name)
243 jonathan 653 bitmap = resource.GetBitmapResource(command.Icon(),
244     wxBITMAP_TYPE_XPM)
245 bh 6 toolbar.AddTool(ID, bitmap,
246     shortHelpString = command.HelpText(),
247     isToggle = command.IsCheckCommand())
248 bh 193 self.bind_command_events(command, ID)
249 bh 6 else:
250 jan 374 print _("Unknown command %s") % name
251 bh 6
252 bh 281 def Context(self):
253     """Return the context object for a command invoked from this window
254     """
255     return Context(self.application, self.application.Session(), self)
256    
257 bh 6 def invoke_command(self, event):
258     name = self.id_to_name.get(event.GetId())
259     if name is not None:
260     command = registry.Command(name)
261 bh 281 command.Execute(self.Context())
262 bh 6 else:
263 jan 374 print _("Unknown command ID %d") % event.GetId()
264 bh 6
265     def update_command_ui(self, event):
266     #print "update_command_ui", self.id_to_name[event.GetId()]
267 bh 281 context = self.Context()
268 bh 6 command = registry.Command(self.id_to_name[event.GetId()])
269     if command is not None:
270 bh 357 sensitive = command.Sensitive(context)
271     event.Enable(sensitive)
272     if command.IsTool() and not sensitive and command.Checked(context):
273     # When a checked tool command is disabled deselect all
274     # tools. Otherwise the tool would remain active but it
275     # might lead to errors if the tools stays active. This
276     # problem occurred in GREAT-ER and this fixes it, but
277     # it's not clear to me whether this is really the best
278     # way to do it (BH, 20021206).
279     self.canvas.SelectTool(None)
280 bh 222 event.SetText(command.DynText(context))
281 bh 13 if command.IsCheckCommand():
282 bh 357 event.Check(command.Checked(context))
283 bh 6
284 bh 20 def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
285 bh 181 """Run a modal message box with the given text, title and flags
286 bh 20 and return the result"""
287     dlg = wxMessageDialog(self, text, title, flags)
288 bh 316 dlg.CenterOnParent()
289 bh 20 result = dlg.ShowModal()
290     dlg.Destroy()
291     return result
292    
293 bh 31 def init_dialogs(self):
294     """Initialize the dialog handling"""
295     # The mainwindow maintains a dict mapping names to open
296     # non-modal dialogs. The dialogs are put into this dict when
297     # they're created and removed when they're closed
298     self.dialogs = {}
299    
300     def add_dialog(self, name, dialog):
301     if self.dialogs.has_key(name):
302 jan 374 raise RuntimeError(_("The Dialog named %s is already open") % name)
303 bh 31 self.dialogs[name] = dialog
304    
305     def dialog_open(self, name):
306     return self.dialogs.has_key(name)
307    
308     def remove_dialog(self, name):
309     del self.dialogs[name]
310    
311     def get_open_dialog(self, name):
312     return self.dialogs.get(name)
313    
314 bh 123 def view_position_changed(self):
315     pos = self.canvas.CurrentPosition()
316     if pos is not None:
317     text = "(%10.10g, %10.10g)" % pos
318     else:
319     text = ""
320 bh 321 self.set_position_text(text)
321    
322     def set_position_text(self, text):
323     """Set the statusbar text showing the current position.
324    
325     By default the text is shown in field 0 of the status bar.
326     Override this method in derived classes to put it into a
327     different field of the statusbar.
328     """
329 bh 123 self.SetStatusText(text)
330    
331 bh 58 def save_modified_session(self, can_veto = 1):
332     """If the current session has been modified, ask the user
333     whether to save it and do so if requested. Return the outcome of
334     the dialog (either wxID_OK, wxID_CANCEL or wxID_NO). If the
335     dialog wasn't run return wxID_NO.
336    
337     If the can_veto parameter is true (default) the dialog includes
338     a cancel button, otherwise not.
339     """
340 bh 227 if self.application.session.WasModified():
341 bh 58 flags = wxYES_NO | wxICON_QUESTION
342     if can_veto:
343     flags = flags | wxCANCEL
344 jan 374 result = self.RunMessageBox(_("Exit"),
345     _("The session has been modified."
346 bh 58 " Do you want to save it?"),
347     flags)
348     if result == wxID_YES:
349     self.SaveSession()
350     else:
351     result = wxID_NO
352     return result
353    
354 jonathan 487 def prepare_new_session(self):
355     for d in self.dialogs.values():
356     if not isinstance(d, tree.SessionTreeView):
357 jonathan 502 d.Close()
358 jonathan 487
359 bh 6 def NewSession(self):
360 bh 58 self.save_modified_session()
361 jonathan 487 self.prepare_new_session()
362 bh 227 self.application.SetSession(create_empty_session())
363 bh 6
364     def OpenSession(self):
365 bh 58 self.save_modified_session()
366 jonathan 487 dlg = wxFileDialog(self, _("Open Session"), ".", "", "*.thuban", wxOPEN)
367 bh 6 if dlg.ShowModal() == wxID_OK:
368 jonathan 487 self.prepare_new_session()
369 bh 227 self.application.OpenSession(dlg.GetPath())
370 bh 6 dlg.Destroy()
371    
372     def SaveSession(self):
373 bh 227 if self.application.session.filename == None:
374 jan 102 self.SaveSessionAs()
375 jonathan 487 else:
376     self.application.SaveSession()
377 bh 6
378     def SaveSessionAs(self):
379 jonathan 431 dlg = wxFileDialog(self, _("Save Session As"), ".", "",
380 bh 130 "*.thuban", wxOPEN)
381 bh 6 if dlg.ShowModal() == wxID_OK:
382 bh 227 self.application.session.SetFilename(dlg.GetPath())
383     self.application.SaveSession()
384 bh 6 dlg.Destroy()
385    
386     def Exit(self):
387 jonathan 621 self.Close(False)
388 bh 6
389 jonathan 580 def _OnClose(self, event):
390 bh 58 result = self.save_modified_session(can_veto = event.CanVeto())
391     if result == wxID_CANCEL:
392 bh 6 event.Veto()
393     else:
394 bh 307 # FIXME: it would be better to tie the unsubscription to
395     # wx's destroy event, but that isn't implemented for wxGTK
396     # yet.
397     self.canvas.Unsubscribe(VIEW_POSITION, self.view_position_changed)
398 jonathan 580 DockFrame._OnClose(self, event)
399 bh 6 self.Destroy()
400    
401     def SetMap(self, map):
402     self.canvas.SetMap(map)
403 jonathan 653 self.__SetTitle(map.Title())
404 jonathan 563 #self.legendPanel.SetMap(map)
405 bh 6
406 bh 310 def Map(self):
407     """Return the map displayed by this mainwindow"""
408 jonathan 563
409     # sanity check
410     #assert(self.canvas.Map() is self.legendPanel.GetMap())
411    
412 bh 310 return self.canvas.Map()
413    
414 bh 622 def ToggleSessionTree(self):
415     """If the session tree is shown close it otherwise create a new tree"""
416 bh 37 name = "session_tree"
417     dialog = self.get_open_dialog(name)
418     if dialog is None:
419 bh 227 dialog = tree.SessionTreeView(self, self.application, name)
420 bh 37 self.add_dialog(name, dialog)
421 jonathan 512 dialog.Show(True)
422 bh 37 else:
423 bh 622 dialog.Close()
424 bh 37
425 bh 622 def SessionTreeShown(self):
426     """Return true iff the session tree is currently shown"""
427     return self.get_open_dialog("session_tree") is not None
428 jonathan 517
429 bh 6 def About(self):
430 jan 374 self.RunMessageBox(_("About"),
431 jonathan 517 _("Thuban v%s\n"
432     #"Build Date: %s\n"
433     "\n"
434     "Thuban is a program for\n"
435 bh 20 "exploring geographic data.\n"
436 jan 374 "Copyright (C) 2001-2003 Intevation GmbH.\n"
437 jonathan 517 "Thuban is licensed under the GNU GPL"
438     % __ThubanVersion__), #__BuildDate__)),
439 bh 20 wxOK | wxICON_INFORMATION)
440 bh 6
441     def AddLayer(self):
442 jan 374 dlg = wxFileDialog(self, _("Select a data file"), ".", "", "*.*",
443 bh 6 wxOPEN)
444     if dlg.ShowModal() == wxID_OK:
445     filename = dlg.GetPath()
446     title = os.path.splitext(os.path.basename(filename))[0]
447 bh 723 store = self.application.Session().OpenShapefile(filename)
448     layer = Layer(title, store)
449 bh 18 map = self.canvas.Map()
450     has_layers = map.HasLayers()
451 bh 20 try:
452     map.AddLayer(layer)
453     except IOError:
454     # the layer couldn't be opened
455 jan 374 self.RunMessageBox(_("Add Layer"),
456     _("Can't open the file '%s'.") % filename)
457 bh 20 else:
458     if not has_layers:
459 bh 535 # if we're adding a layer to an empty map, fit the
460 bh 20 # new map to the window
461     self.canvas.FitMapToWindow()
462 bh 6 dlg.Destroy()
463    
464     def RemoveLayer(self):
465     layer = self.current_layer()
466     if layer is not None:
467     self.canvas.Map().RemoveLayer(layer)
468    
469 bh 299 def CanRemoveLayer(self):
470     """Return true if the currently selected layer can be deleted.
471    
472 jonathan 621 If no layer is selected return False.
473 bh 299
474     The return value of this method determines whether the remove
475     layer command is sensitive in menu.
476     """
477     layer = self.current_layer()
478     if layer is not None:
479     return self.canvas.Map().CanRemoveLayer(layer)
480 jonathan 621 return False
481 bh 299
482 bh 6 def RaiseLayer(self):
483     layer = self.current_layer()
484     if layer is not None:
485     self.canvas.Map().RaiseLayer(layer)
486 bh 222
487 bh 6 def LowerLayer(self):
488     layer = self.current_layer()
489     if layer is not None:
490     self.canvas.Map().LowerLayer(layer)
491    
492     def current_layer(self):
493     """Return the currently selected layer.
494    
495     If no layer is selected, return None
496     """
497 bh 535 return self.canvas.SelectedLayer()
498 bh 6
499     def has_selected_layer(self):
500     """Return true if a layer is currently selected"""
501 bh 535 return self.canvas.HasSelectedLayer()
502 bh 6
503     def choose_color(self):
504     """Run the color selection dialog and return the selected color.
505    
506     If the user cancels, return None.
507     """
508     dlg = wxColourDialog(self)
509     color = None
510     if dlg.ShowModal() == wxID_OK:
511     data = dlg.GetColourData()
512     wxc = data.GetColour()
513     color = Color(wxc.Red() / 255.0,
514     wxc.Green() / 255.0,
515     wxc.Blue() / 255.0)
516     dlg.Destroy()
517     return color
518    
519     def HideLayer(self):
520     layer = self.current_layer()
521     if layer is not None:
522     layer.SetVisible(0)
523    
524     def ShowLayer(self):
525     layer = self.current_layer()
526     if layer is not None:
527     layer.SetVisible(1)
528    
529     def LayerShowTable(self):
530     layer = self.current_layer()
531     if layer is not None:
532 bh 31 table = layer.table
533     name = "table_view" + str(id(table))
534     dialog = self.get_open_dialog(name)
535     if dialog is None:
536 bh 535 dialog = tableview.LayerTableFrame(self, name,
537     _("Table: %s") % layer.Title(),
538 bh 278 layer, table)
539 bh 31 self.add_dialog(name, dialog)
540     dialog.Show(true)
541     else:
542     # FIXME: bring dialog to front here
543     pass
544 bh 6
545 jonathan 729 def MapProjection(self):
546 bh 6
547 jonathan 729 name = "map_projection"
548 jonathan 713 dialog = self.get_open_dialog(name)
549    
550     if dialog is None:
551     map = self.canvas.Map()
552 jonathan 750 dialog = projdialog.ProjFrame(self, name,
553     _("Map Projection: %s") % map.Title(), map)
554 jonathan 713 self.add_dialog(name, dialog)
555     dialog.Show()
556     dialog.Raise()
557    
558 jonathan 729 def LayerProjection(self):
559    
560     layer = self.current_layer()
561    
562     name = "layer_projection" + str(id(layer))
563     dialog = self.get_open_dialog(name)
564    
565     if dialog is None:
566     map = self.canvas.Map()
567 jonathan 750 dialog = projdialog.ProjFrame(self, name,
568     _("Layer Projection: %s") % layer.Title(), layer)
569 jonathan 729 self.add_dialog(name, dialog)
570     dialog.Show()
571     dialog.Raise()
572    
573 jonathan 640 def LayerEditProperties(self):
574 jonathan 363
575 jonathan 487 #
576     # the menu option for this should only be available if there
577     # is a current layer, so we don't need to check if the
578     # current layer is None
579     #
580    
581     layer = self.current_layer()
582 jonathan 640 self.OpenLayerProperties(layer)
583 jonathan 550
584 jonathan 640 def OpenLayerProperties(self, layer, group = None):
585     name = "layer_properties" + str(id(layer))
586 jonathan 487 dialog = self.get_open_dialog(name)
587    
588     if dialog is None:
589 jonathan 633 dialog = Classifier(self, name, layer, group)
590 jonathan 487 self.add_dialog(name, dialog)
591     dialog.Show()
592 jonathan 573 dialog.Raise()
593 jonathan 487
594 jonathan 550
595 jonathan 621 def ShowLegend(self):
596 bh 622 if not self.LegendShown():
597     self.ToggleLegend()
598    
599     def ToggleLegend(self):
600     """Show the legend if it's not shown otherwise hide it again"""
601 jonathan 550 name = "legend"
602 jonathan 573 dialog = self.FindRegisteredDock(name)
603 jonathan 550
604     if dialog is None:
605 jonathan 640 dialog = self.CreateDock(name, -1, _("Legend"), wxLAYOUT_LEFT)
606 jonathan 573 legend.LegendPanel(dialog, None, self)
607 jonathan 580 dialog.Dock()
608 bh 622 dialog.GetPanel().SetMap(self.Map())
609     dialog.Show()
610     else:
611     dialog.Show(not dialog.IsShown())
612 jonathan 563
613 bh 622 def LegendShown(self):
614     """Return true iff the legend is currently open"""
615     dialog = self.FindRegisteredDock("legend")
616     return dialog is not None and dialog.IsShown()
617 jonathan 563
618 bh 6 def ZoomInTool(self):
619     self.canvas.ZoomInTool()
620    
621     def ZoomOutTool(self):
622     self.canvas.ZoomOutTool()
623    
624     def PanTool(self):
625     self.canvas.PanTool()
626    
627     def IdentifyTool(self):
628     self.canvas.IdentifyTool()
629 bh 49 self.identify_view_on_demand(None, None)
630 bh 6
631     def LabelTool(self):
632     self.canvas.LabelTool()
633    
634     def FullExtent(self):
635     self.canvas.FitMapToWindow()
636    
637     def PrintMap(self):
638     self.canvas.Print()
639    
640 jonathan 653 def RenameMap(self):
641     dlg = wxTextEntryDialog(self, "Map Title: ", "Rename Map",
642     self.Map().Title())
643     if dlg.ShowModal() == wxID_OK:
644     title = dlg.GetValue()
645     if title != "":
646     self.Map().SetTitle(title)
647     self.__SetTitle(title)
648    
649     dlg.Destroy()
650    
651 bh 535 def identify_view_on_demand(self, layer, shapes):
652 bh 31 name = "identify_view"
653     if self.canvas.CurrentTool() == "IdentifyTool":
654     if not self.dialog_open(name):
655 bh 535 dialog = identifyview.IdentifyView(self, name)
656 bh 31 self.add_dialog(name, dialog)
657 jonathan 563 dialog.Show(True)
658 bh 31 else:
659 bh 33 # FIXME: bring dialog to front?
660 bh 31 pass
661 bh 6
662 jonathan 653 def __SetTitle(self, title):
663     self.SetTitle("Thuban - " + title)
664    
665 bh 6 #
666     # Define all the commands available in the main window
667     #
668    
669    
670     # Helper functions to define common command implementations
671     def call_method(context, methodname, *args):
672 bh 222 """Call the mainwindow's method methodname with args *args"""
673     apply(getattr(context.mainwindow, methodname), args)
674 bh 6
675 jan 110 def _method_command(name, title, method, helptext = "",
676 bh 622 icon = "", sensitive = None, checked = None):
677 bh 222 """Add a command implemented by a method of the mainwindow object"""
678 bh 6 registry.Add(Command(name, title, call_method, args=(method,),
679 jan 110 helptext = helptext, icon = icon,
680 bh 622 sensitive = sensitive, checked = checked))
681 jan 110
682 bh 270 def make_check_current_tool(toolname):
683     """Return a function that tests if the currently active tool is toolname
684    
685     The returned function can be called with the context and returns
686     true iff the currently active tool's name is toolname. It's directly
687     usable as the 'checked' callback of a command.
688     """
689     def check_current_tool(context, name=toolname):
690     return context.mainwindow.canvas.CurrentTool() == name
691     return check_current_tool
692    
693 bh 6 def _tool_command(name, title, method, toolname, helptext = "",
694 bh 310 icon = "", sensitive = None):
695 bh 6 """Add a tool command"""
696 bh 357 registry.Add(ToolCommand(name, title, call_method, args=(method,),
697     helptext = helptext, icon = icon,
698     checked = make_check_current_tool(toolname),
699     sensitive = sensitive))
700 bh 6
701     def _has_selected_layer(context):
702     """Return true if a layer is selected in the context"""
703 bh 222 return context.mainwindow.has_selected_layer()
704 bh 6
705 bh 299 def _can_remove_layer(context):
706     return context.mainwindow.CanRemoveLayer()
707    
708 jan 264 def _has_tree_window_shown(context):
709     """Return true if the tree window is shown"""
710 bh 622 return context.mainwindow.SessionTreeShown()
711 jan 264
712 bh 310 def _has_visible_map(context):
713     """Return true iff theres a visible map in the mainwindow.
714    
715     A visible map is a map with at least one visible layer."""
716     map = context.mainwindow.Map()
717     if map is not None:
718     for layer in map.Layers():
719     if layer.Visible():
720     return 1
721     return 0
722    
723 jonathan 550 def _has_legend_shown(context):
724     """Return true if the legend window is shown"""
725 bh 622 return context.mainwindow.LegendShown()
726 bh 310
727 jonathan 550
728 bh 6 # File menu
729 jan 374 _method_command("new_session", _("&New Session"), "NewSession")
730     _method_command("open_session", _("&Open Session"), "OpenSession")
731     _method_command("save_session", _("&Save Session"), "SaveSession")
732     _method_command("save_session_as", _("Save Session &As"), "SaveSessionAs")
733 bh 622 _method_command("toggle_session_tree", _("Session &Tree"), "ToggleSessionTree",
734     checked = _has_tree_window_shown)
735     _method_command("toggle_legend", _("Legend"), "ToggleLegend",
736     checked = _has_legend_shown)
737 jan 374 _method_command("exit", _("E&xit"), "Exit")
738 bh 6
739     # Help menu
740 jan 374 _method_command("help_about", _("&About"), "About")
741 bh 6
742    
743     # Map menu
744 jonathan 729 _method_command("map_projection", _("Pro&jection"), "MapProjection")
745 bh 6
746 jan 374 _tool_command("map_zoom_in_tool", _("&Zoom in"), "ZoomInTool", "ZoomInTool",
747     helptext = _("Switch to map-mode 'zoom-in'"), icon = "zoom_in",
748 bh 310 sensitive = _has_visible_map)
749 jan 374 _tool_command("map_zoom_out_tool", _("Zoom &out"), "ZoomOutTool", "ZoomOutTool",
750     helptext = _("Switch to map-mode 'zoom-out'"), icon = "zoom_out",
751 bh 310 sensitive = _has_visible_map)
752 jan 374 _tool_command("map_pan_tool", _("&Pan"), "PanTool", "PanTool",
753     helptext = _("Switch to map-mode 'pan'"), icon = "pan",
754 bh 310 sensitive = _has_visible_map)
755 jan 374 _tool_command("map_identify_tool", _("&Identify"), "IdentifyTool",
756     "IdentifyTool",
757     helptext = _("Switch to map-mode 'identify'"), icon = "identify",
758 bh 310 sensitive = _has_visible_map)
759 jan 374 _tool_command("map_label_tool", _("&Label"), "LabelTool", "LabelTool",
760     helptext = _("Add/Remove labels"), icon = "label",
761 bh 310 sensitive = _has_visible_map)
762 jan 374 _method_command("map_full_extent", _("&Full extent"), "FullExtent",
763     helptext = _("Full Extent"), icon = "fullextent",
764 bh 310 sensitive = _has_visible_map)
765 jan 374 _method_command("map_print", _("Prin&t"), "PrintMap",
766     helptext = _("Print the map"))
767 jonathan 653 _method_command("map_rename", _("&Rename"), "RenameMap",
768     helptext = _("Rename the map"))
769 jan 374 _method_command("layer_add", _("&Add Layer"), "AddLayer",
770     helptext = _("Add a new layer to active map"))
771     _method_command("layer_remove", _("&Remove Layer"), "RemoveLayer",
772     helptext = _("Remove selected layer(s)"),
773 bh 299 sensitive = _can_remove_layer)
774 jonathan 729
775     # Layer menu
776     _method_command("layer_projection", _("Pro&jection"), "LayerProjection",
777     sensitive = _has_selected_layer)
778 jan 374 _method_command("layer_raise", _("&Raise"), "RaiseLayer",
779     helptext = _("Raise selected layer(s)"),
780 bh 6 sensitive = _has_selected_layer)
781 jan 374 _method_command("layer_lower", _("&Lower"), "LowerLayer",
782     helptext = _("Lower selected layer(s)"),
783 bh 6 sensitive = _has_selected_layer)
784 jan 374 _method_command("layer_show", _("&Show"), "ShowLayer",
785     helptext = _("Make selected layer(s) visible"),
786 bh 6 sensitive = _has_selected_layer)
787 jan 374 _method_command("layer_hide", _("&Hide"), "HideLayer",
788     helptext = _("Make selected layer(s) unvisible"),
789 bh 6 sensitive = _has_selected_layer)
790 jan 374 _method_command("layer_show_table", _("Show Ta&ble"), "LayerShowTable",
791     helptext = _("Show the selected layer's table"),
792 bh 6 sensitive = _has_selected_layer)
793 jonathan 640 _method_command("layer_properties", _("Properties"), "LayerEditProperties",
794 jonathan 363 sensitive = _has_selected_layer)
795 bh 188
796     # the menu structure
797     main_menu = Menu("<main>", "<main>",
798 jan 374 [Menu("file", _("&File"),
799 bh 188 ["new_session", "open_session", None,
800     "save_session", "save_session_as", None,
801 bh 624 "toggle_session_tree", None,
802 bh 188 "exit"]),
803 jan 374 Menu("map", _("&Map"),
804 bh 188 ["layer_add", "layer_remove",
805     None,
806     "map_projection",
807     None,
808     "map_zoom_in_tool", "map_zoom_out_tool",
809     "map_pan_tool", "map_identify_tool", "map_label_tool",
810     None,
811     "map_full_extent",
812     None,
813 bh 624 "toggle_legend",
814     None,
815 jonathan 653 "map_print",
816     None,
817     "map_rename"]),
818 jan 374 Menu("layer", _("&Layer"),
819 jonathan 640 ["layer_raise", "layer_lower",
820 bh 188 None,
821     "layer_show", "layer_hide",
822     None,
823 jonathan 363 "layer_show_table",
824     None,
825 jonathan 729 "layer_properties",
826     None,
827     "layer_projection"]),
828 jan 374 Menu("help", _("&Help"),
829 bh 188 ["help_about"])])
830 bh 191
831     # the main toolbar
832    
833     main_toolbar = Menu("<toolbar>", "<toolbar>",
834 frank 351 ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
835     "map_full_extent", None,
836     "map_identify_tool", "map_label_tool"])

Properties

Name Value
svn:eol-style native
svn:keywords Author Date Id Revision

[email protected]
ViewVC Help
Powered by ViewVC 1.1.26