/[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 130 by bh, Fri May 3 14:50:18 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 65  class MainWindow(wxFrame): Line 65  class MainWindow(wxFrame):
65    
66          menu = wxMenu()          menu = wxMenu()
67          menuBar.Append(menu, "&Map");          menuBar.Append(menu, "&Map");
68          for name in ["map_projection",          for name in ["layer_add", "layer_remove",
69                         None,
70                         "map_projection",
71                       None,                       None,
72                       "map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",                       "map_zoom_in_tool", "map_zoom_out_tool", "map_pan_tool",
73                       "map_identify_tool", "map_label_tool",                       "map_identify_tool", "map_label_tool",
# Line 77  class MainWindow(wxFrame): Line 79  class MainWindow(wxFrame):
79    
80          menu = wxMenu()          menu = wxMenu()
81          menuBar.Append(menu, "&Layer");          menuBar.Append(menu, "&Layer");
82          for name in ["layer_add", "layer_remove",          for name in ["layer_fill_color", "layer_transparent_fill",
                      None,  
                      "layer_fill_color", "layer_transparent_fill",  
83                       "layer_ourline_color", "layer_no_outline",                       "layer_ourline_color", "layer_no_outline",
84                       None,                       None,
85                       "layer_raise", "layer_lower",                       "layer_raise", "layer_lower",
# Line 97  class MainWindow(wxFrame): Line 97  class MainWindow(wxFrame):
97    
98          # toolbar          # toolbar
99          toolbar = self.CreateToolBar(wxTB_3DBUTTONS)          toolbar = self.CreateToolBar(wxTB_3DBUTTONS)
100    
101            # set the size of the tools' bitmaps. Not needed on wxGTK, but
102            # on Windows. We probably shouldn't hardwire the bitmap size
103            # here
104            toolbar.SetToolBitmapSize(wxSize(24, 24))
105    
106          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",
107                       "map_identify_tool", "map_label_tool"]:                       "map_identify_tool", "map_label_tool", "map_full_extent"]:
108              self.add_toolbar_command(toolbar, name)              self.add_toolbar_command(toolbar, name)
109          # call Realize to make sure that the tools appear.          # call Realize to make sure that the tools appear.
110          toolbar.Realize()          toolbar.Realize()
111    
112          # Create the map canvas          # Create the map canvas
113          canvas = view.MapCanvas(self, -1, interactor)          canvas = view.MapCanvas(self, -1, interactor)
114            canvas.Subscribe(VIEW_POSITION, self.view_position_changed)
115          self.canvas = canvas          self.canvas = canvas
116    
117          self.init_dialogs()          self.init_dialogs()
# Line 217  class MainWindow(wxFrame): Line 224  class MainWindow(wxFrame):
224      def get_open_dialog(self, name):      def get_open_dialog(self, name):
225          return self.dialogs.get(name)          return self.dialogs.get(name)
226    
227        def view_position_changed(self):
228            pos = self.canvas.CurrentPosition()
229            if pos is not None:
230                text = "(%10.10g, %10.10g)" % pos
231            else:
232                text = ""
233            self.SetStatusText(text)
234    
235        def save_modified_session(self, can_veto = 1):
236            """If the current session has been modified, ask the user
237            whether to save it and do so if requested. Return the outcome of
238            the dialog (either wxID_OK, wxID_CANCEL or wxID_NO). If the
239            dialog wasn't run return wxID_NO.
240    
241            If the can_veto parameter is true (default) the dialog includes
242            a cancel button, otherwise not.
243            """
244            if main.app.session.WasModified():
245                flags = wxYES_NO | wxICON_QUESTION
246                if can_veto:
247                    flags = flags | wxCANCEL
248                result = self.RunMessageBox("Exit",
249                                            ("The session has been modified."
250                                             " Do you want to save it?"),
251                                            flags)
252                if result == wxID_YES:
253                    self.SaveSession()
254            else:
255                result = wxID_NO
256            return result
257    
258      def NewSession(self):      def NewSession(self):
259          session = Session("")          self.save_modified_session()
260          session.AddMap(Map(""))          main.app.SetSession(create_empty_session())
         main.app.SetSession(session)  
261    
262      def OpenSession(self):      def OpenSession(self):
263            self.save_modified_session()
264          dlg = wxFileDialog(self, "Select a session file", ".", "",          dlg = wxFileDialog(self, "Select a session file", ".", "",
265                             "*.session", wxOPEN)                             "*.thuban", wxOPEN)
266          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
267              main.app.OpenSession(dlg.GetPath())              main.app.OpenSession(dlg.GetPath())
268          dlg.Destroy()          dlg.Destroy()
269    
270      def SaveSession(self):      def SaveSession(self):
271            if main.app.session.filename == None:
272                self.SaveSessionAs()
273          main.app.SaveSession()          main.app.SaveSession()
274    
275      def SaveSessionAs(self):      def SaveSessionAs(self):
276          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",          dlg = wxFileDialog(self, "Enter a filename for session", ".", "",
277                             "*.session", wxOPEN)                             "*.thuban", wxOPEN)
278          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
279              main.app.session.SetFilename(dlg.GetPath())              main.app.session.SetFilename(dlg.GetPath())
280              main.app.SaveSession()              main.app.SaveSession()
# Line 244  class MainWindow(wxFrame): Line 284  class MainWindow(wxFrame):
284          self.Close(false)          self.Close(false)
285    
286      def OnClose(self, event):      def OnClose(self, event):
287          veto = 0          result = self.save_modified_session(can_veto = event.CanVeto())
288          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:  
289              event.Veto()              event.Veto()
290          else:          else:
291              self.Destroy()              self.Destroy()
# Line 286  class MainWindow(wxFrame): Line 313  class MainWindow(wxFrame):
313                             wxOK | wxICON_INFORMATION)                             wxOK | wxICON_INFORMATION)
314    
315      def AddLayer(self):      def AddLayer(self):
316          dlg = wxFileDialog(self, "Select a session file", ".", "", "*.*",          dlg = wxFileDialog(self, "Select a data file", ".", "", "*.*",
317                             wxOPEN)                             wxOPEN)
318          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
319              filename = dlg.GetPath()              filename = dlg.GetPath()
# Line 403  class MainWindow(wxFrame): Line 430  class MainWindow(wxFrame):
430          map = self.canvas.Map()          map = self.canvas.Map()
431          proj = map.projection          proj = map.projection
432          if proj is None:          if proj is None:
433              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None)              proj4Dlg = proj4dialog.Proj4Dialog(NULL, None, map.BoundingBox())
434          else:          else:
435              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params)              proj4Dlg = proj4dialog.Proj4Dialog(NULL, map.projection.params,
436                                                   map.BoundingBox())
437          if proj4Dlg.ShowModal() == wxID_OK:          if proj4Dlg.ShowModal() == wxID_OK:
438              params = proj4Dlg.GetParams()              params = proj4Dlg.GetParams()
439              if params is not None:              if params is not None:
# Line 426  class MainWindow(wxFrame): Line 454  class MainWindow(wxFrame):
454    
455      def IdentifyTool(self):      def IdentifyTool(self):
456          self.canvas.IdentifyTool()          self.canvas.IdentifyTool()
457            self.identify_view_on_demand(None, None)
458    
459      def LabelTool(self):      def LabelTool(self):
460          self.canvas.LabelTool()          self.canvas.LabelTool()
# Line 457  def call_method(context, methodname, *ar Line 486  def call_method(context, methodname, *ar
486      """Call the context's method methodname with args *args"""      """Call the context's method methodname with args *args"""
487      apply(getattr(context, methodname), args)      apply(getattr(context, methodname), args)
488    
489  def _method_command(name, title, method, helptext = "", sensitive = None):  def _method_command(name, title, method, helptext = "",
490                        icon = "", sensitive = None):
491      """Add a command implemented by a method of the context object"""      """Add a command implemented by a method of the context object"""
492      registry.Add(Command(name, title, call_method, args=(method,),      registry.Add(Command(name, title, call_method, args=(method,),
493                           helptext = helptext, sensitive = sensitive))                           helptext = helptext, icon = icon,
494                             sensitive = sensitive))
495    
496  def _tool_command(name, title, method, toolname, helptext = "",  def _tool_command(name, title, method, toolname, helptext = "",
497                    icon = ""):                    icon = ""):
498      """Add a tool command"""      """Add a tool command"""
# Line 498  _tool_command("map_identify_tool", "&Ide Line 530  _tool_command("map_identify_tool", "&Ide
530                helptext = "Switch to map-mode 'identify'", icon = "identify")                helptext = "Switch to map-mode 'identify'", icon = "identify")
531  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",  _tool_command("map_label_tool", "&Label", "LabelTool", "LabelTool",
532                helptext = "Add/Remove labels", icon = "label")                helptext = "Add/Remove labels", icon = "label")
533  _method_command("map_full_extent", "&Full extent", "FullExtent")  _method_command("map_full_extent", "&Full extent", "FullExtent",
534                   helptext = "Full Extent", icon = "fullextent")
535  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")  _method_command("map_print", "Prin&t", "PrintMap", helptext = "Print the map")
536    
537  # Layer menu  # Layer menu
538  _method_command("layer_add", "&Add", "AddLayer",  _method_command("layer_add", "&Add Layer", "AddLayer",
539                  helptext = "Add a new layer to active map")                  helptext = "Add a new layer to active map")
540  _method_command("layer_remove", "&Remove", "RemoveLayer",  _method_command("layer_remove", "&Remove Layer", "RemoveLayer",
541                  helptext = "Remove selected layer(s)",                  helptext = "Remove selected layer(s)",
542                  sensitive = _has_selected_layer)                  sensitive = _has_selected_layer)
543  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",  _method_command("layer_fill_color", "&Fill Color", "LayerFillColor",
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