/[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 914 by frank, Fri May 16 16:25:41 2003 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001, 2002, 2003 by Intevation GmbH  # Copyright (c) 2001, 2002, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jonathan Coles <[email protected]>  # Jonathan Coles <[email protected]>
4    # Frank Koormann <[email protected]>
5  #  #
6  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
7  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
# Line 15  from wxPython.wx import * Line 16  from wxPython.wx import *
16    
17  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
18  from Thuban.Model.map import Map  from Thuban.Model.map import Map
 from Thuban.Model.messages import *  
19  from Thuban.Model.classification import ClassGroup  from Thuban.Model.classification import ClassGroup
20    
21  from Thuban.UI.messages import *  from Thuban.Model.messages import \
22        MAP_STACKING_CHANGED, MAP_LAYERS_ADDED, MAP_LAYERS_REMOVED, LAYER_CHANGED,\
23        LAYER_VISIBILITY_CHANGED, TITLE_CHANGED
24    
25    from Thuban.UI.messages import SCALE_CHANGED
26    
27  from Thuban.UI.classifier import ClassDataPreviewer  from Thuban.UI.classifier import ClassDataPreviewer
28  from Thuban.UI.dock import DockPanel  from Thuban.UI.dock import DockPanel
29    from Thuban.UI.scalebar import ScaleBar
30    
31  from Thuban.Lib.connector import ConnectorError  from Thuban.Lib.connector import ConnectorError
32    
# Line 89  class LegendPanel(DockPanel): Line 95  class LegendPanel(DockPanel):
95    
96          panelBox.Add(self.tree, 1, wxGROW, 0)          panelBox.Add(self.tree, 1, wxGROW, 0)
97    
98            self.scalebarbitmap = ScaleBarBitmap(self, map, mainWindow)
99            panelBox.Add(self.scalebarbitmap, 0, wxGROW, 0)
100    
101          self.SetAutoLayout(True)          self.SetAutoLayout(True)
102          self.SetSizer(panelBox)          self.SetSizer(panelBox)
103          panelBox.SetSizeHints(self)          panelBox.SetSizeHints(self)
# Line 108  class LegendPanel(DockPanel): Line 117  class LegendPanel(DockPanel):
117    
118      def SetMap(self, map):      def SetMap(self, map):
119          self.tree.SetMap(map)          self.tree.SetMap(map)
120            self.scalebarbitmap.SetCanvas(self.mainWindow.canvas)
121    
122      def DoOnSelChanged(self, layer, group):      def DoOnSelChanged(self, layer, group):
123    
# Line 216  class LegendTree(wxTreeCtrl): Line 226  class LegendTree(wxTreeCtrl):
226                  #self._OnMsgMapsChanged)                  #self._OnMsgMapsChanged)
227              self.__FillTree(self.map)              self.__FillTree(self.map)
228    
               
229      def MoveCurrentItemUp(self):      def MoveCurrentItemUp(self):
230          layer, group = self.GetSelectedHierarchy()          layer, group = self.GetSelectedHierarchy()
231    
# Line 246  class LegendTree(wxTreeCtrl): Line 255  class LegendTree(wxTreeCtrl):
255          else:          else:
256              return wxTreeCtrl.OnCompareItems(self, item1, item2)              return wxTreeCtrl.OnCompareItems(self, item1, item2)
257    
   
258      def DoOnShowLayer(self):      def DoOnShowLayer(self):
259          #self.__ShowHideLayer(True)          #self.__ShowHideLayer(True)
260          layer, group = self.GetSelectedHierarchy()          layer, group = self.GetSelectedHierarchy()
# Line 451  class LegendTree(wxTreeCtrl): Line 459  class LegendTree(wxTreeCtrl):
459              self.__SetVisibilityStyle(visible, id)              self.__SetVisibilityStyle(visible, id)
460              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
461                            
462    class ScaleBarBitmap(wxBoxSizer):
463    
464        def __init__(self, parent, map, mainWindow):
465            # While the width is fixed, get the height _now_.
466            dc = wxMemoryDC()
467            textwidth, textheight = dc.GetTextExtent("%d"%0)
468            self.width = 200
469            self.height = textheight + 3*2 + 8
470    
471            wxBoxSizer.__init__(self, wxVERTICAL)
472            bmp=wxEmptyBitmap(self.width, self.height)
473            self.scalebarBitmap = wxStaticBitmap(parent, -1, bmp)
474            self.Add(self.scalebarBitmap, 0, wxALIGN_CENTER|wxLEFT|wxTOP|wxRIGHT, 1)
475    
476            self.mainWindow = mainWindow
477            self.parent = parent
478            self.canvas = None
479            self.SetCanvas(self.mainWindow.canvas)
480    
481        def SetCanvas(self, canvas):
482            sub_list = [(SCALE_CHANGED, self._OnMsgScaleChanged)]
483    
484            if self.canvas is not None:
485                for msg, func in sub_list: self.canvas.Unsubscribe(msg, func)
486            
487            self.canvas = canvas
488            self.scalebar = ScaleBar(canvas.map)
489    
490            if self.canvas is not None:
491                for msg, func in sub_list: self.canvas.Subscribe(msg, func)
492                self.__SetScale(self.canvas.scale)
493    
494        def _OnMsgScaleChanged(self, scale):
495            self.__SetScale(scale)
496    
497        def __SetScale(self, scale):
498            bmp = wxEmptyBitmap(self.width, self.height)
499            dc = wxMemoryDC()
500            dc.SelectObject(bmp)
501            dc.Clear()
502    
503            self.scalebar.DrawScaleBar(scale, dc, (0,0), dc.GetSizeTuple())
504    
505            self.scalebarBitmap.SetBitmap(bmp)
506    
Legend:
Removed from v.795  
changed lines
  Added in v.914
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