/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/view.py
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revision 303 by bh, Mon Sep 2 16:47:53 2002 UTC revision 404 by bh, Fri Feb 14 17:40:26 2003 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001, 2002 by Intevation GmbH  # Copyright (c) 2001, 2002, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4  #  #
# Line 497  class MapCanvas(wxWindow, Publisher): Line 497  class MapCanvas(wxWindow, Publisher):
497          offx, offy = self.offset          offx, offy = self.offset
498          self.set_view_transform(self.scale, (offx + dx, offy + dy))          self.set_view_transform(self.scale, (offx + dx, offy + dy))
499    
500        def SelectTool(self, tool):
501            """Make tool the active tool.
502    
503            The parameter should be an instance of Tool or None to indicate
504            that no tool is active.
505            """
506            self.tool = tool
507    
508      def ZoomInTool(self):      def ZoomInTool(self):
509          """Start the zoom in tool"""          """Start the zoom in tool"""
510          self.tool = ZoomInTool(self)          self.SelectTool(ZoomInTool(self))
511    
512      def ZoomOutTool(self):      def ZoomOutTool(self):
513          """Start the zoom out tool"""          """Start the zoom out tool"""
514          self.tool = ZoomOutTool(self)          self.SelectTool(ZoomOutTool(self))
515    
516      def PanTool(self):      def PanTool(self):
517          """Start the pan tool"""          """Start the pan tool"""
518          self.tool = PanTool(self)          self.SelectTool(PanTool(self))
519    
520      def IdentifyTool(self):      def IdentifyTool(self):
521          """Start the identify tool"""          """Start the identify tool"""
522          self.tool = IdentifyTool(self)          self.SelectTool(IdentifyTool(self))
523    
524      def LabelTool(self):      def LabelTool(self):
525          """Start the label tool"""          """Start the label tool"""
526          self.tool = LabelTool(self)          self.SelectTool(LabelTool(self))
527    
528      def CurrentTool(self):      def CurrentTool(self):
529          """Return the name of the current tool or None if no tool is active"""          """Return the name of the current tool or None if no tool is active"""
# Line 561  class MapCanvas(wxWindow, Publisher): Line 569  class MapCanvas(wxWindow, Publisher):
569          self.set_current_position(event)          self.set_current_position(event)
570          if self.dragging:          if self.dragging:
571              self.ReleaseMouse()              self.ReleaseMouse()
572              self.tool.Hide(self.drag_dc)              try:
573              self.tool.MouseUp(event)                  self.tool.Hide(self.drag_dc)
574              self.drag_dc = None                  self.tool.MouseUp(event)
575          self.dragging = 0              finally:
576                    self.drag_dc = None
577                    self.dragging = 0
578    
579      def OnMotion(self, event):      def OnMotion(self, event):
580          self.set_current_position(event)          self.set_current_position(event)
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