/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/legend.py
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revision 665 by jonathan, Mon Apr 14 16:35:19 2003 UTC revision 858 by frank, Thu May 8 10:30:17 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 77  class LegendPanel(DockPanel): Line 78  class LegendPanel(DockPanel):
78              shortHelpString=_("Edit Layer Properties"))              shortHelpString=_("Edit Layer Properties"))
79    
80          self.toolBar.Realize()          self.toolBar.Realize()
81          panelBox.Add(self.toolBar, 0, wxALL, 0)          panelBox.Add(self.toolBar, 0, wxGROW, 0)
82    
83          EVT_TOOL(self, ID_LEGEND_RAISE, self._OnMoveUp)          EVT_TOOL(self, ID_LEGEND_RAISE, self._OnMoveUp)
84          EVT_TOOL(self, ID_LEGEND_LOWER, self._OnMoveDown)          EVT_TOOL(self, ID_LEGEND_LOWER, self._OnMoveDown)
# 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          #panelBox.Fit(self)          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)
# Line 110  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 218  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          cur_id = self.GetSelection()          layer, group = self.GetSelectedHierarchy()
         assert cur_id.IsOk()  
   
         cur_data = self.GetPyData(cur_id)  
   
         #prev_id = self.GetPrevSibling(cur_id)  
   
         #  
         # Get out if there's nowhere to go  
         #  
         #if prev_id == INVALID_TREE_ID: return  
226    
227          if isinstance(cur_data, Layer):          if layer is not None:
228              self.map.RaiseLayer(cur_data)              self.map.RaiseLayer(layer)
         elif isinstance(cur_data, ClassGroup):  
             pass  
229          else:          else:
230              assert False, "Shouldn't be here."              assert False, "Shouldn't be allowed."
231              pass              pass
232    
233      def MoveCurrentItemDown(self):      def MoveCurrentItemDown(self):
234          cur_id = self.GetSelection()          layer, group = self.GetSelectedHierarchy()
         assert cur_id.IsOk()  
   
         cur_data = self.GetPyData(cur_id)  
235    
236          if isinstance(cur_data, Layer):          if layer is not None:
237              self.map.LowerLayer(cur_data)              self.map.LowerLayer(layer)
         elif isinstance(cur_data, ClassGroup):  
             pass  
238          else:          else:
239              assert False, "Shouldn't be here."              assert False, "Shouldn't be allowed."
240              pass              pass
241    
   
242      def OnCompareItems(self, item1, item2):      def OnCompareItems(self, item1, item2):
243    
244          data1 = self.GetPyData(item1)          data1 = self.GetPyData(item1)
# Line 354  class LegendTree(wxTreeCtrl): Line 338  class LegendTree(wxTreeCtrl):
338                    
339      def __FillTree(self, map):      def __FillTree(self, map):
340    
         assert isinstance(map, Map)  
   
341          self.Freeze()          self.Freeze()
342    
343          self.__DeleteAllItems()          self.__DeleteAllItems()
# Line 423  class LegendTree(wxTreeCtrl): Line 405  class LegendTree(wxTreeCtrl):
405          self.Thaw()          self.Thaw()
406    
407      def __BuildGroupImage(self, group, shapeType):      def __BuildGroupImage(self, group, shapeType):
         assert isinstance(group, ClassGroup)  
408    
409          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)
410          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)
# Line 474  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.SetCanvas(self.mainWindow.canvas)
476    
477        def SetCanvas(self, canvas):
478            sub_list = [(SCALE_CHANGED, self._OnMsgScaleChanged)]
479    
480            if self.canvas is not None:
481                for msg, func in sub_list: self.canvas.Unsubscribe(msg, func)
482            
483            self.canvas = canvas
484            self.scalebar = ScaleBar(canvas.map)
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.665  
changed lines
  Added in v.858
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