/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/view.py
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revision 1236 by jonathan, Wed Jun 18 15:29:26 2003 UTC revision 1285 by jonathan, Mon Jun 23 10:30:53 2003 UTC
# Line 19  import os.path Line 19  import os.path
19    
20  from math import hypot  from math import hypot
21    
22  from wxPython.wx import wxWindow,\  from wxPython.wx import wxWindow, \
23       wxPaintDC, wxColour, wxClientDC, wxINVERT, wxTRANSPARENT_BRUSH, wxFont,\       wxPaintDC, wxColour, wxClientDC, wxINVERT, wxTRANSPARENT_BRUSH, wxFont,\
24       EVT_PAINT, EVT_LEFT_DOWN, EVT_LEFT_UP, EVT_MOTION, EVT_LEAVE_WINDOW, \       EVT_PAINT, EVT_LEFT_DOWN, EVT_LEFT_UP, EVT_MOTION, EVT_LEAVE_WINDOW, \
25       wxBITMAP_TYPE_XPM, wxBeginBusyCursor, wxEndBusyCursor, wxCursor, \       wxBITMAP_TYPE_XPM, wxCursor, wxImageFromBitmap, wxPlatform, \
26       wxImageFromBitmap, wxPlatform       wxBeginBusyCursor, wxEndBusyCursor
27    
28    
29  # Export related stuff  # Export related stuff
30  if wxPlatform == '__WXMSW__':  if wxPlatform == '__WXMSW__':
# Line 274  class MapPrintout(wx.wxPrintout): Line 275  class MapPrintout(wx.wxPrintout):
275                             self.selected_layer, self.selected_shapes)                             self.selected_layer, self.selected_shapes)
276          return True          return True
277    
   
278  class MapCanvas(wxWindow, Publisher):  class MapCanvas(wxWindow, Publisher):
279    
280      """A widget that displays a map and offers some interaction"""      """A widget that displays a map and offers some interaction"""
# Line 381  class MapCanvas(wxWindow, Publisher): Line 381  class MapCanvas(wxWindow, Publisher):
381    
382      def OnPaint(self, event):      def OnPaint(self, event):
383          dc = wxPaintDC(self)          dc = wxPaintDC(self)
384    
385          clear = self.map is None or not self.map.HasLayers()          clear = self.map is None or not self.map.HasLayers()
386    
387          wxBeginBusyCursor()          wxBeginBusyCursor()
388          try:          try:
389              if not clear:              if not clear:
390                  self.do_redraw()                  self.do_redraw()
391                  try:              else:
                     pass  
                 except:  
                     print "Error during drawing:", sys.exc_info()[0]  
                     clear = True  
   
             if clear:  
392                  # If we've got no map or if the map is empty, simply clear                  # If we've got no map or if the map is empty, simply clear
393                  # the screen.                  # the screen.
394    
# Line 943  class MapCanvas(wxWindow, Publisher): Line 938  class MapCanvas(wxWindow, Publisher):
938              layer = layers[layer_index]              layer = layers[layer_index]
939    
940              # search only in visible layers              # search only in visible layers
941              if not layer.Visible():              if not layer.Visible() or not layer.HasShapes():
942                  continue                  continue
943    
944              filled = layer.GetClassification().GetDefaultFill() \              filled = layer.GetClassification().GetDefaultFill() \
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