/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/view.py
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revision 1221 by jonathan, Tue Jun 17 15:24:45 2003 UTC revision 1271 by jonathan, Fri Jun 20 16:43:04 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, wxYield,\
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, wxBeginBusyCursor, wxEndBusyCursor, wxCursor, \
# Line 274  class MapPrintout(wx.wxPrintout): Line 274  class MapPrintout(wx.wxPrintout):
274                             self.selected_layer, self.selected_shapes)                             self.selected_layer, self.selected_shapes)
275          return True          return True
276    
   
277  class MapCanvas(wxWindow, Publisher):  class MapCanvas(wxWindow, Publisher):
278    
279      """A widget that displays a map and offers some interaction"""      """A widget that displays a map and offers some interaction"""
# Line 384  class MapCanvas(wxWindow, Publisher): Line 383  class MapCanvas(wxWindow, Publisher):
383          clear = self.map is None or not self.map.HasLayers()          clear = self.map is None or not self.map.HasLayers()
384    
385          wxBeginBusyCursor()          wxBeginBusyCursor()
386            wxYield()
387    
388          try:          try:
389              if not clear:              if not clear:
390                  self.do_redraw()                  self.do_redraw()
# Line 653  class MapCanvas(wxWindow, Publisher): Line 654  class MapCanvas(wxWindow, Publisher):
654          Set the scale so that the map fits exactly into the window and          Set the scale so that the map fits exactly into the window and
655          center it in the window.          center it in the window.
656          """          """
657          bbox = self.map.ProjectedBoundingBox()          if self.map is not None:
658          if bbox is not None:              bbox = self.map.ProjectedBoundingBox()
659              self.FitRectToWindow(bbox)              if bbox is not None:
660                    self.FitRectToWindow(bbox)
661    
662      def FitLayerToWindow(self, layer):      def FitLayerToWindow(self, layer):
663          """Fit the given layer to the window.          """Fit the given layer to the window.
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