/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/legend.py
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revision 2187 by jan, Sun Apr 18 20:37:45 2004 UTC revision 2560 by bh, Tue Feb 8 20:25:22 2005 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001, 2002, 2003 by Intevation GmbH  # Copyright (c) 2001, 2002, 2003, 2005 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jonathan Coles <[email protected]>  # Jonathan Coles <[email protected]>
4  # Frank Koormann <[email protected]>  # Frank Koormann <[email protected]>
# Line 15  from Thuban import _ Line 15  from Thuban import _
15  import resource  import resource
16    
17  from wxPython.wx import *  from wxPython.wx import *
18    import wxPython
19    
20  from Thuban.Model.layer import BaseLayer  from Thuban.Model.layer import BaseLayer
21  from Thuban.Model.map import Map  from Thuban.Model.map import Map
# Line 284  class LegendTree(wxTreeCtrl): Line 285  class LegendTree(wxTreeCtrl):
285      def find_layer(self, layer):      def find_layer(self, layer):
286          """Return the tree item for the layer"""          """Return the tree item for the layer"""
287          root = self.GetRootItem()          root = self.GetRootItem()
288          id, cookie = self.GetFirstChild(root, 0)          id, cookie = self.GetFirstChild(root)
289          while id.IsOk():          while id.IsOk():
290              if self.GetPyData(id) is layer:              if self.GetPyData(id) is layer:
291                  return id                  return id
# Line 487  class LegendTree(wxTreeCtrl): Line 488  class LegendTree(wxTreeCtrl):
488          # Build a dict with all layers known by the the tree as keys          # Build a dict with all layers known by the the tree as keys
489          layers = {}          layers = {}
490          root = self.GetRootItem()          root = self.GetRootItem()
491          id, cookie = self.GetFirstChild(root, 0)          id, cookie = self.GetFirstChild(root)
492          while id.IsOk():          while id.IsOk():
493              layers[self.GetPyData(id)] = 1              layers[self.GetPyData(id)] = 1
494              id, cookie = self.GetNextChild(root, cookie)              id, cookie = self.GetNextChild(root, cookie)
# Line 506  class LegendTree(wxTreeCtrl): Line 507  class LegendTree(wxTreeCtrl):
507          layers = map.Layers()          layers = map.Layers()
508    
509          root = self.GetRootItem()          root = self.GetRootItem()
510          id, cookie = self.GetFirstChild(root, 0)          id, cookie = self.GetFirstChild(root)
511          while id.IsOk():          while id.IsOk():
512              if self.GetPyData(id) not in layers:              if self.GetPyData(id) not in layers:
513                  self.__RemoveLayer(id)                  self.__RemoveLayer(id)
# Line 598  class LegendTree(wxTreeCtrl): Line 599  class LegendTree(wxTreeCtrl):
599    
600          pid = self.GetRootItem()          pid = self.GetRootItem()
601    
602          id, cookie = self.GetFirstChild(pid, 123)          id, cookie = self.GetFirstChild(pid)
603          while id.IsOk():          while id.IsOk():
604              self.__RemoveLayer(id)              self.__RemoveLayer(id)
605              id, cookie = self.GetNextChild(pid, cookie)              id, cookie = self.GetNextChild(pid, cookie)
# Line 636  class LegendTree(wxTreeCtrl): Line 637  class LegendTree(wxTreeCtrl):
637          self.Delete(id)          self.Delete(id)
638    
639      def DeleteChildren(self, pid):      def DeleteChildren(self, pid):
640          id, cookie = self.GetFirstChild(pid, 123)          id, cookie = self.GetFirstChild(pid)
641          while id.IsOk():          while id.IsOk():
642              self.availImgListIndices.append(self.GetItemImage(id))              self.availImgListIndices.append(self.GetItemImage(id))
643              id, cookie = self.GetNextChild(pid, cookie)              id, cookie = self.GetNextChild(pid, cookie)
# Line 692  class LegendTree(wxTreeCtrl): Line 693  class LegendTree(wxTreeCtrl):
693    
694          self.__SetVisibilityStyle(visible, parent)          self.__SetVisibilityStyle(visible, parent)
695    
696          id, cookie = self.GetFirstChild(parent, 123)          id, cookie = self.GetFirstChild(parent)
697    
698          while id.IsOk():          while id.IsOk():
699              self.__SetVisibilityStyle(visible, id)              self.__SetVisibilityStyle(visible, id)
700              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
701                
702        # In wxPython 2.4 the GetFirstChild method has to be called with a
703        # second argument and in 2.5 it must not.  Reading the code of
704        # wxPython 2.4 it seems that the second parameter was intended to be
705        # optional there but due to a bug in the C++ code it doesn't work
706        # and omitting the second argument leads to a segfault.  To cope
707        # with this and to make the code usable with both 2.5 and 2.4 we
708        # overwrite the inherited method when running with 2.4 to provide a
709        # default value for the second argument.
710        if map(int, wxPython.__version__.split(".")[:2]) < [2, 5]:
711            def GetFirstChild(self, item):
712                return wxTreeCtrl.GetFirstChild(self, item, 0)
713    
714    
715  class ScaleBarBitmap(wxBoxSizer):  class ScaleBarBitmap(wxBoxSizer):
716    
717      def __init__(self, parent, map, mainWindow):      def __init__(self, parent, map, mainWindow):
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