/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/legend.py
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revision 795 by jonathan, Wed Apr 30 17:01:06 2003 UTC revision 854 by frank, Wed May 7 18:24:13 2003 UTC
# Line 15  from wxPython.wx import * Line 15  from wxPython.wx import *
15    
16  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
17  from Thuban.Model.map import Map  from Thuban.Model.map import Map
18    from Thuban.Model.scalebar import ScaleBar
19  from Thuban.Model.messages import *  from Thuban.Model.messages import *
20  from Thuban.Model.classification import ClassGroup  from Thuban.Model.classification import ClassGroup
21    
# Line 89  class LegendPanel(DockPanel): Line 90  class LegendPanel(DockPanel):
90    
91          panelBox.Add(self.tree, 1, wxGROW, 0)          panelBox.Add(self.tree, 1, wxGROW, 0)
92    
93            self.scalebarbitmap = ScaleBarBitmap(self, map, mainWindow)
94            panelBox.Add(self.scalebarbitmap, 0, wxGROW, 0)
95    
96          self.SetAutoLayout(True)          self.SetAutoLayout(True)
97          self.SetSizer(panelBox)          self.SetSizer(panelBox)
98          panelBox.SetSizeHints(self)          panelBox.SetSizeHints(self)
# Line 108  class LegendPanel(DockPanel): Line 112  class LegendPanel(DockPanel):
112    
113      def SetMap(self, map):      def SetMap(self, map):
114          self.tree.SetMap(map)          self.tree.SetMap(map)
115            self.scalebarbitmap.SetCanvas(self.mainWindow.canvas)
116    
117      def DoOnSelChanged(self, layer, group):      def DoOnSelChanged(self, layer, group):
118    
# Line 216  class LegendTree(wxTreeCtrl): Line 221  class LegendTree(wxTreeCtrl):
221                  #self._OnMsgMapsChanged)                  #self._OnMsgMapsChanged)
222              self.__FillTree(self.map)              self.__FillTree(self.map)
223    
               
224      def MoveCurrentItemUp(self):      def MoveCurrentItemUp(self):
225          layer, group = self.GetSelectedHierarchy()          layer, group = self.GetSelectedHierarchy()
226    
# Line 451  class LegendTree(wxTreeCtrl): Line 455  class LegendTree(wxTreeCtrl):
455              self.__SetVisibilityStyle(visible, id)              self.__SetVisibilityStyle(visible, id)
456              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
457                            
458    class ScaleBarBitmap(wxBoxSizer):
459    
460        def __init__(self, parent, map, mainWindow):
461            # While the width is fixed, get the height _now_.
462            dc = wxMemoryDC()
463            textwidth, textheight = dc.GetTextExtent("%d"%0)
464            self.width = 200
465            self.height = textheight + 3*2 + 8
466    
467            wxBoxSizer.__init__(self, wxVERTICAL)
468            bmp=wxEmptyBitmap(self.width, self.height)
469            self.scalebarBitmap = wxStaticBitmap(parent, -1, bmp)
470            self.Add(self.scalebarBitmap, 0, wxALIGN_CENTER|wxLEFT|wxTOP|wxRIGHT, 1)
471    
472            self.mainWindow = mainWindow
473            self.parent = parent
474            self.canvas = None
475            self.scalebar = ScaleBar(map)
476            self.SetCanvas(self.mainWindow.canvas)
477    
478        def SetCanvas(self, canvas):
479            sub_list = [(SCALE_CHANGED, self._OnMsgScaleChanged)]
480    
481            if self.canvas is not None:
482                for msg, func in sub_list: self.canvas.Unsubscribe(msg, func)
483            
484            self.canvas = canvas
485    
486            if self.canvas is not None:
487                for msg, func in sub_list: self.canvas.Subscribe(msg, func)
488                self.__SetScale(self.canvas.scale)
489    
490        def _OnMsgScaleChanged(self, scale):
491            self.__SetScale(scale)
492    
493        def __SetScale(self, scale):
494            bmp = wxEmptyBitmap(self.width, self.height)
495            dc = wxMemoryDC()
496            dc.SelectObject(bmp)
497            dc.Clear()
498    
499            self.scalebar.DrawScalebar(scale, dc)
500    
501            self.scalebarBitmap.SetBitmap(bmp)
502    
Legend:
Removed from v.795  
changed lines
  Added in v.854
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