/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/view.py
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revision 294 by bh, Fri Aug 30 10:18:50 2002 UTC revision 295 by bh, Fri Aug 30 10:39:17 2002 UTC
# Line 412  class MapCanvas(wxWindow, Publisher): Line 412  class MapCanvas(wxWindow, Publisher):
412          self.full_redraw()          self.full_redraw()
413    
414      def Map(self):      def Map(self):
415            """Return the map displayed by this canvas"""
416          return self.map          return self.map
417    
418      def redraw(self, *args):      def redraw(self, *args):
# Line 512  class MapCanvas(wxWindow, Publisher): Line 513  class MapCanvas(wxWindow, Publisher):
513          self.set_view_transform(scale, (offx, offy))          self.set_view_transform(scale, (offx, offy))
514    
515      def Translate(self, dx, dy):      def Translate(self, dx, dy):
516            """Move the map by dx, dy pixels"""
517          offx, offy = self.offset          offx, offy = self.offset
518          self.set_view_transform(self.scale, (offx + dx, offy + dy))          self.set_view_transform(self.scale, (offx + dx, offy + dy))
519    
520      def ZoomInTool(self):      def ZoomInTool(self):
521            """Start the zoom in tool"""
522          self.tool = ZoomInTool(self)          self.tool = ZoomInTool(self)
523    
524      def ZoomOutTool(self):      def ZoomOutTool(self):
525            """Start the zoom out tool"""
526          self.tool = ZoomOutTool(self)          self.tool = ZoomOutTool(self)
527    
528      def PanTool(self):      def PanTool(self):
529            """Start the pan tool"""
530          self.tool = PanTool(self)          self.tool = PanTool(self)
531    
532      def IdentifyTool(self):      def IdentifyTool(self):
533            """Start the identify tool"""
534          self.tool = IdentifyTool(self)          self.tool = IdentifyTool(self)
535    
536      def LabelTool(self):      def LabelTool(self):
537            """Start the label tool"""
538          self.tool = LabelTool(self)          self.tool = LabelTool(self)
539    
540      def CurrentTool(self):      def CurrentTool(self):
541            """Return the name of the current tool or None if no tool is active"""
542          return self.tool and self.tool.Name() or None          return self.tool and self.tool.Name() or None
543    
544      def CurrentPosition(self):      def CurrentPosition(self):
# Line 790  class MapCanvas(wxWindow, Publisher): Line 798  class MapCanvas(wxWindow, Publisher):
798          return result          return result
799    
800      def LabelShapeAt(self, x, y):      def LabelShapeAt(self, x, y):
801            """Add or remove a label at window position x, y.
802    
803            If there's a label at the given position, remove it. Otherwise
804            determine the shape at the position, run the label dialog and
805            unless the user cancels the dialog, add a laber.
806            """
807          ox = x; oy = y          ox = x; oy = y
808          label_layer = self.map.LabelLayer()          label_layer = self.map.LabelLayer()
809          layer, shape_index = self.find_shape_at(x, y, select_labels = 1)          layer, shape_index = self.find_shape_at(x, y, select_labels = 1)
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