/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/mainwindow.py
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revision 37 by bh, Thu Sep 6 17:16:54 2001 UTC revision 181 by bh, Wed May 22 13:42:04 2002 UTC
# Line 1  Line 1 
1  # Copyright (C) 2001 by Intevation GmbH  # Copyright (C) 2001, 2002 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 17  import sys, os Line 17  import sys, os
17  from wxPython.wx import *  from wxPython.wx import *
18    
19  import Thuban  import Thuban
20  from Thuban.Model.session import Session  from Thuban.Model.session import Session, create_empty_session
21  from Thuban.Model.map import Map  from Thuban.Model.map import Map
22  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
23  from Thuban.Model.color import Color  from Thuban.Model.color import Color
# Line 30  import tableview, identifyview Line 30  import tableview, identifyview
30    
31  import main  import main
32  from command import registry, Command  from command import registry, Command
33  from messages import SELECTED_SHAPE  from messages import SELECTED_SHAPE, VIEW_POSITION
34    
35    
36  # the directory where the toolbar icons are stored  # the directory where the toolbar icons are stored
# Line 60  class MainWindow(wxFrame): Line 60  class MainWindow(wxFrame):
60          menuBar.Append(menu, "&File");          menuBar.Append(menu, "&File");
61          for name in ["new_session", "open_session", None,          for name in ["new_session", "open_session", None,
62                       "save_session", "save_session_as", None,                       "save_session", "save_session_as", None,
63                         "show_session_tree", None,
64                       "exit"]:                       "exit"]:
65              self.add_menu_command(menu, name)              self.add_menu_command(menu, name)
66    
67          menu = wxMenu()          menu = wxMenu()
68          menuBar.Append(menu, "&Map");          menuBar.Append(menu, "&Map");
69          for name in ["map_projection",          for name in ["layer_add", "layer_remove",
70                         None,
71                         "map_projection",
72                       None,                       None,
73                       "map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                       "map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
74                       "map_identify_tool", "map_label_tool",                       "map_identify_tool", "map_label_tool",
# Line 77  class MainWindow(wxFrame): Line 80  class MainWindow(wxFrame):
80    
81          menu = wxMenu()          menu = wxMenu()
82          menuBar.Append(menu, "&Layer");          menuBar.Append(menu, "&Layer");
83          for name in ["layer_add", "layer_remove",          for name in ["layer_fill_color", "layer_transparent_fill",
                      None,  
                      "layer_fill_color", "layer_transparent_fill",  
84                       "layer_ourline_color", "layer_no_outline",                       "layer_ourline_color", "layer_no_outline",
85                       None,                       None,
86                       "layer_raise", "layer_lower",                       "layer_raise", "layer_lower",
# Line 97  class MainWindow(wxFrame): Line 98  class MainWindow(wxFrame):
98    
99          # toolbar          # toolbar
100          toolbar = self.CreateToolBar(wxTB_3DBUTTONS)          toolbar = self.CreateToolBar(wxTB_3DBUTTONS)
101    
102            # set the size of the tools' bitmaps. Not needed on wxGTK, but
103            # on Windows. We probably shouldn't hardwire the bitmap size
104            # here
105            toolbar.SetToolBitmapSize(wxSize(24, 24))
106    
107          for name in ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",          for name in ["map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
108                       "map_identify_tool", "map_label_tool"]:                       "map_identify_tool", "map_label_tool", "map_full_extent"]:
109              self.add_toolbar_command(toolbar, name)              self.add_toolbar_command(toolbar, name)
110          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
111          toolbar.Realize()          toolbar.Realize()
112    
113          # Create the map canvas          # Create the map canvas
114          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1, interactor)
115            canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
116          self.canvas = canvas          self.canvas = canvas
117    
118          self.init_dialogs()          self.init_dialogs()
# Line 189  class MainWindow(wxFrame): Line 197  class MainWindow(wxFrame):
197                  event.Check(command.Checked(self))                  event.Check(command.Checked(self))
198    
199      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):      def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION):
200          """Run a modla message box with the given text, title and flags          """Run a modal message box with the given text, title and flags
201          and return the result"""          and return the result"""
202          dlg = wxMessageDialog(self, text, title, flags)          dlg = wxMessageDialog(self, text, title, flags)
203          result = dlg.ShowModal()          result = dlg.ShowModal()
# Line 217  class MainWindow(wxFrame): Line 225  class MainWindow(wxFrame):
225      def get_open_dialog(self, name):      def get_open_dialog(self, name):
226          return self.dialogs.get(name)          return self.dialogs.get(name)
227    
228        def view_position_changed(self):
229            pos = self.canvas.CurrentPosition()
230            if pos is not None:
231                text = "(%10.10g, %10.10g)" % pos
232            else:
233                text = ""
234            self.SetStatusText(text)
235    
236        def save_modified_session(self, can_veto = 1):
237            """If the current session has been modified, ask the user
238            whether to save it and do so if requested. Return the outcome of
239            the dialog (either wxID_OK, wxID_CANCEL or wxID_NO). If the
240            dialog wasn't run return wxID_NO.
241    
242            If the can_veto parameter is true (default) the dialog includes
243            a cancel button, otherwise not.
244            """
245            if main.app.session.WasModified():
246                flags = wxYES_NO | wxICON_QUESTION
247                if can_veto:
248                    flags = flags | wxCANCEL
249                result = self.RunMessageBox("Exit",
250                                            ("The session has been modified."
251                                             " Do you want to save it?"),
252                                            flags)
253                if result == wxID_YES:
254                    self.SaveSession()
255            else:
256                result = wxID_NO
257            return result
258    
259      def NewSession(self):      def NewSession(self):
260          session = Session("")          self.save_modified_session()
261          session.AddMap(Map(""))          main.app.SetSession(create_empty_session())
         main.app.SetSession(session)  
262    
263      def OpenSession(self):      def OpenSession(self):
264            self.save_modified_session()
265          dlg = wxFileDialog(self, "Select a session file", ".", "",          dlg = wxFileDialog(self, "Select a session file", ".", "",
266                             "*.session", wxOPEN)                             "*.thuban", wxOPEN)
267          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
268              main.app.OpenSession(dlg.GetPath())              main.app.OpenSession(dlg.GetPath())
269          dlg.Destroy()          dlg.Destroy()
270    
271      def SaveSession(self):      def SaveSession(self):
272            if main.app.session.filename == None:
273                self.SaveSessionAs()
274          main.app.SaveSession()          main.app.SaveSession()
275    
276      def SaveSessionAs(self):      def SaveSessionAs(self):
277          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",
278                             "*.session", wxOPEN)                             "*.thuban", wxOPEN)
279          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
280              main.app.session.SetFilename(dlg.GetPath())              main.app.session.SetFilename(dlg.GetPath())
281              main.app.SaveSession()              main.app.SaveSession()
# Line 244  class MainWindow(wxFrame): Line 285  class MainWindow(wxFrame):
285          self.Close(false)          self.Close(false)
286    
287      def OnClose(self, event):      def OnClose(self, event):
288          veto = 0          result = self.save_modified_session(can_veto = event.CanVeto())
289          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:  
290              event.Veto()              event.Veto()
291          else:          else:
292              self.Destroy()              self.Destroy()
# Line 286  class MainWindow(wxFrame): Line 314  class MainWindow(wxFrame):
314                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
315    
316      def AddLayer(self):      def AddLayer(self):
317          dlg = wxFileDialog(self, "Select a session file", ".", "", "*.*",          dlg = wxFileDialog(self, "Select a data file", ".", "", "*.*",
318                             wxOPEN)                             wxOPEN)
319          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
320              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 403  class MainWindow(wxFrame): Line 431  class MainWindow(wxFrame):
431          map = self.canvas.Map()          map = self.canvas.Map()
432          proj = map.projection          proj = map.projection
433          if proj is None:          if proj is None:
434              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None)              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())
435          else:          else:
436              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params)              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,
437                                                   map.BoundingBox())
438          if proj4Dlg.ShowModal() == wxID_OK:          if proj4Dlg.ShowModal() == wxID_OK:
439              params = proj4Dlg.GetParams()              params = proj4Dlg.GetParams()
440              if params is not None:              if params is not None:
# Line 426  class MainWindow(wxFrame): Line 455  class MainWindow(wxFrame):
455    
456      def IdentifyTool(self):      def IdentifyTool(self):
457          self.canvas.IdentifyTool()          self.canvas.IdentifyTool()
458            self.identify_view_on_demand(None, None)
459    
460      def LabelTool(self):      def LabelTool(self):
461          self.canvas.LabelTool()          self.canvas.LabelTool()
# Line 457  def call_method(context, methodname, *ar Line 487  def call_method(context, methodname, *ar
487      """Call the context's method methodname with args *args"""      """Call the context's method methodname with args *args"""
488      apply(getattr(context, methodname), args)      apply(getattr(context, methodname), args)
489    
490  def _method_command(name, title, method, helptext = "", sensitive = None):  def _method_command(name, title, method, helptext = "",
491                        icon = "", sensitive = None):
492      """Add a command implemented by a method of the context object"""      """Add a command implemented by a method of the context object"""
493      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
494                           helptext = helptext, sensitive = sensitive))                           helptext = helptext, icon = icon,
495                             sensitive = sensitive))
496    
497  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
498                    icon = ""):                    icon = ""):
499      """Add a tool command"""      """Add a tool command"""
# Line 479  _method_command("new_session", "&New Ses Line 512  _method_command("new_session", "&New Ses
512  _method_command("open_session", "&Open Session", "OpenSession")  _method_command("open_session", "&Open Session", "OpenSession")
513  _method_command("save_session", "&Save Session", "SaveSession")  _method_command("save_session", "&Save Session", "SaveSession")
514  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")  _method_command("save_session_as", "Save Session &As", "SaveSessionAs")
515    _method_command("show_session_tree", "Show Session &Tree", "ShowSessionTree")
516  _method_command("exit", "&Exit", "Exit")  _method_command("exit", "&Exit", "Exit")
517    
518  # Help menu  # Help menu
# Line 498  _tool_command("map_identify_tool", "&Ide Line 532  _tool_command("map_identify_tool", "&Ide
532                helptext = "Switch to map-mode 'identify'", icon = "identify")                helptext = "Switch to map-mode 'identify'", icon = "identify")
533  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",
534                helptext = "Add/Remove labels", icon = "label")                helptext = "Add/Remove labels", icon = "label")
535  _method_command("map_full_extent", "&Full extent", "FullExtent")  _method_command("map_full_extent", "&Full extent", "FullExtent",
536                   helptext = "Full Extent", icon = "fullextent")
537  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")
538    
539  # Layer menu  # Layer menu
540  _method_command("layer_add", "&Add", "AddLayer",  _method_command("layer_add", "&Add Layer", "AddLayer",
541                  helptext = "Add a new layer to active map")                  helptext = "Add a new layer to active map")
542  _method_command("layer_remove", "&Remove", "RemoveLayer",  _method_command("layer_remove", "&Remove Layer", "RemoveLayer",
543                  helptext = "Remove selected layer(s)",                  helptext = "Remove selected layer(s)",
544                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
545  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",
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