/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/application.py
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revision 1390 by jonathan, Thu Jul 10 14:53:38 2003 UTC revision 1648 by bh, Mon Aug 25 13:55:35 2003 UTC
# Line 38  import mainwindow Line 38  import mainwindow
38  from messages import SESSION_REPLACED  from messages import SESSION_REPLACED
39    
40    
   
41  class ThubanApplication(wxApp, Publisher):  class ThubanApplication(wxApp, Publisher):
42    
43      """      """
# Line 50  class ThubanApplication(wxApp, Publisher Line 49  class ThubanApplication(wxApp, Publisher
49      """      """
50    
51      def OnInit(self):      def OnInit(self):
52            sys.excepthook = self.ShowExceptionDialog
53          self.splash = self.splash_screen()          self.splash = self.splash_screen()
54          if self.splash is not None:          if self.splash is not None:
55              self.splash.Show()              self.splash.Show()
# Line 189  class ThubanApplication(wxApp, Publisher Line 189  class ThubanApplication(wxApp, Publisher
189          """          """
190          self.SetSession(create_empty_session())          self.SetSession(create_empty_session())
191    
192      def OpenSession(self, filename):      def OpenSession(self, filename, db_connection_callback = None):
193          """Open the session in the file named filename"""          """Open the session in the file named filename"""
194          # Make sure we deal with an absolute pathname. Otherwise we can          # Make sure we deal with an absolute pathname. Otherwise we can
195          # get problems when saving because the saving code expects an          # get problems when saving because the saving code expects an
196          # absolute directory name          # absolute directory name
197          filename = os.path.abspath(filename)          filename = os.path.abspath(filename)
198          session = load_session(filename)          session = load_session(filename,
199                                   db_connection_callback = db_connection_callback)
200          session.SetFilename(filename)          session.SetFilename(filename)
201          session.UnsetModified()          session.UnsetModified()
202          self.SetSession(session)          self.SetSession(session)
# Line 204  class ThubanApplication(wxApp, Publisher Line 205  class ThubanApplication(wxApp, Publisher
205              for layer in map.Layers():              for layer in map.Layers():
206                  if isinstance(layer, RasterLayer) \                  if isinstance(layer, RasterLayer) \
207                      and not Thuban.Model.resource.has_gdal_support():                      and not Thuban.Model.resource.has_gdal_support():
208                      msg = _("The current session contains Image layers,\n" +                      msg = _("The current session contains Image layers,\n"
209                              "but the GDAL library is not available to " +                              "but the GDAL library is not available to "
210                              "draw them.")                              "draw them.")
211                      dlg = wx.wxMessageDialog(None,                      dlg = wx.wxMessageDialog(None,
212                                               msg,                                               msg,
213                                               _("Library not available"),                                               _("Library not available"),
214                                               wx.wxOK | wx.wxICON_INFORMATION)                                               wx.wxOK | wx.wxICON_INFORMATION)
215                      print msg                      print msg
# Line 229  class ThubanApplication(wxApp, Publisher Line 230  class ThubanApplication(wxApp, Publisher
230    
231      def ShowExceptionDialog(self, exc_type, exc_value, exc_traceback):      def ShowExceptionDialog(self, exc_type, exc_value, exc_traceback):
232          """Show a message box with information about an exception.          """Show a message box with information about an exception.
233        
234          The parameters are the usual values describing an exception in          The parameters are the usual values describing an exception in
235          Python, the exception type, the value and the traceback.          Python, the exception type, the value and the traceback.
236        
237          This method can be used as a value for the sys.excepthook.          This method can be used as a value for the sys.excepthook.
238          """          """
239    
240          if self.in_exception_dialog:          if self.in_exception_dialog:
241              return              return
242          self.in_exception_dialog = 1          self.in_exception_dialog = 1
# Line 243  class ThubanApplication(wxApp, Publisher Line 245  class ThubanApplication(wxApp, Publisher
245    
246          try:          try:
247              lines = traceback.format_exception(exc_type, exc_value,              lines = traceback.format_exception(exc_type, exc_value,
248                                                 exc_traceback)                                              exc_traceback)
249              message = "An unhandled exception occurred:\n%s\n" % exc_value+\              message = "An unhandled exception occurred:\n%s\n" % exc_value+\
250                        "(please report to " \                      "(please report to " \
251                        "http://thuban.intevation.org/bugtracker.html)"\                      "http://thuban.intevation.org/bugtracker.html)"\
252                        "\n\n\n"+\                      "\n\n\n"+\
253                        "".join(lines)                      "".join(lines)
254              print message              print message
255    
256              # We don't use an explicit parent here because this method might              # We don't use an explicit parent here because this method might
257              # be called in circumstances where the main window doesn't exist              # be called in circumstances where the main window doesn't exist
258              # anymore.              # anymore.
259              dlg = wxScrolledMessageDialog(None, message,              dlg = wxScrolledMessageDialog(None, message,
260                                            "Thuban: Internal Error")                                          "Thuban: Internal Error")
261              dlg.ShowModal()              dlg.ShowModal()
262              dlg.Destroy()              dlg.Destroy()
263    
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