/[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 990 by frank, Thu May 22 16:51:24 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 13  import resource Line 14  import resource
14    
15  from wxPython.wx import *  from wxPython.wx import *
16    
17  from Thuban.Model.layer import Layer  from Thuban.Model.layer import BaseLayer
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    
33  ID_LEGEND_RAISE = 4001  ID_LEGEND_TOP = 4001
34  ID_LEGEND_LOWER = 4002  ID_LEGEND_RAISE = 4002
35  ID_LEGEND_TREE = 4003  ID_LEGEND_LOWER = 4003
36  ID_LEGEND_PROPS = 4004  ID_LEGEND_BOTTOM = 4004
37  ID_LEGEND_SHOWLAYER = 4005  ID_LEGEND_TREE = 4005
38  ID_LEGEND_HIDELAYER = 4006  ID_LEGEND_PROPS = 4006
39    ID_LEGEND_SHOWLAYER = 4007
40    ID_LEGEND_HIDELAYER = 4008
41    
42  BMP_SIZE_W = 30  BMP_SIZE_W = 30
43  BMP_SIZE_H = 15  BMP_SIZE_H = 15
44    
45    TOP_BMP = "top_layer"
46  RAISE_BMP = "raise_layer"  RAISE_BMP = "raise_layer"
47  LOWER_BMP = "lower_layer"  LOWER_BMP = "lower_layer"
48    BOTTOM_BMP = "bottom_layer"
49  SHOW_BMP  = "show_layer"  SHOW_BMP  = "show_layer"
50  HIDE_BMP  = "hide_layer"  HIDE_BMP  = "hide_layer"
51  PROPS_BMP = "layer_properties"  PROPS_BMP = "layer_properties"
# Line 56  class LegendPanel(DockPanel): Line 66  class LegendPanel(DockPanel):
66          self.toolBar = wxToolBar(self, -1)          self.toolBar = wxToolBar(self, -1)
67          self.toolBar.SetToolBitmapSize(wxSize(24, 24))          self.toolBar.SetToolBitmapSize(wxSize(24, 24))
68    
69            bmp = resource.GetBitmapResource(TOP_BMP, wxBITMAP_TYPE_XPM)
70            self.toolBar.AddTool(ID_LEGEND_TOP, bmp,
71                shortHelpString=_("Top Layer"))
72    
73          bmp = resource.GetBitmapResource(RAISE_BMP, wxBITMAP_TYPE_XPM)          bmp = resource.GetBitmapResource(RAISE_BMP, wxBITMAP_TYPE_XPM)
74          self.toolBar.AddTool(ID_LEGEND_RAISE, bmp,          self.toolBar.AddTool(ID_LEGEND_RAISE, bmp,
75              shortHelpString=_("Raise Layer"))              shortHelpString=_("Raise Layer"))
# Line 64  class LegendPanel(DockPanel): Line 78  class LegendPanel(DockPanel):
78          self.toolBar.AddTool(ID_LEGEND_LOWER, bmp,          self.toolBar.AddTool(ID_LEGEND_LOWER, bmp,
79              shortHelpString=_("Lower Layer"))              shortHelpString=_("Lower Layer"))
80    
81            bmp = resource.GetBitmapResource(BOTTOM_BMP, wxBITMAP_TYPE_XPM)
82            self.toolBar.AddTool(ID_LEGEND_BOTTOM, bmp,
83                shortHelpString=_("Bottom Layer"))
84    
85          bmp = resource.GetBitmapResource(SHOW_BMP, wxBITMAP_TYPE_XPM)          bmp = resource.GetBitmapResource(SHOW_BMP, wxBITMAP_TYPE_XPM)
86          self.toolBar.AddTool(ID_LEGEND_SHOWLAYER, bmp,          self.toolBar.AddTool(ID_LEGEND_SHOWLAYER, bmp,
87              shortHelpString=_("Show Layer"))              shortHelpString=_("Show Layer"))
# Line 77  class LegendPanel(DockPanel): Line 95  class LegendPanel(DockPanel):
95              shortHelpString=_("Edit Layer Properties"))              shortHelpString=_("Edit Layer Properties"))
96    
97          self.toolBar.Realize()          self.toolBar.Realize()
98          panelBox.Add(self.toolBar, 0, wxALL, 0)          panelBox.Add(self.toolBar, 0, wxGROW, 0)
99    
100            EVT_TOOL(self, ID_LEGEND_TOP, self._OnMoveTop)
101          EVT_TOOL(self, ID_LEGEND_RAISE, self._OnMoveUp)          EVT_TOOL(self, ID_LEGEND_RAISE, self._OnMoveUp)
102          EVT_TOOL(self, ID_LEGEND_LOWER, self._OnMoveDown)          EVT_TOOL(self, ID_LEGEND_LOWER, self._OnMoveDown)
103            EVT_TOOL(self, ID_LEGEND_BOTTOM, self._OnMoveBottom)
104          EVT_TOOL(self, ID_LEGEND_PROPS, self._OnProperties)          EVT_TOOL(self, ID_LEGEND_PROPS, self._OnProperties)
105          EVT_TOOL(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)          EVT_TOOL(self, ID_LEGEND_SHOWLAYER, self._OnShowLayer)
106          EVT_TOOL(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)          EVT_TOOL(self, ID_LEGEND_HIDELAYER, self._OnHideLayer)
# Line 89  class LegendPanel(DockPanel): Line 109  class LegendPanel(DockPanel):
109    
110          panelBox.Add(self.tree, 1, wxGROW, 0)          panelBox.Add(self.tree, 1, wxGROW, 0)
111    
112          #panelBox.Fit(self)          self.scalebarbitmap = ScaleBarBitmap(self, map, mainWindow)
113            panelBox.Add(self.scalebarbitmap, 0, wxGROW, 0)
114    
115          self.SetAutoLayout(True)          self.SetAutoLayout(True)
116          self.SetSizer(panelBox)          self.SetSizer(panelBox)
# Line 110  class LegendPanel(DockPanel): Line 131  class LegendPanel(DockPanel):
131    
132      def SetMap(self, map):      def SetMap(self, map):
133          self.tree.SetMap(map)          self.tree.SetMap(map)
134            self.scalebarbitmap.SetCanvas(self.mainWindow.canvas)
135    
136      def DoOnSelChanged(self, layer, group):      def DoOnSelChanged(self, layer, group):
137    
138          ok = isinstance(layer, Layer)          ok = isinstance(layer, BaseLayer)
139          self.__EnableButtons(ok)          self.__EnableButtons(ok)
140    
141          self.mainWindow.SelectLayer(layer)          self.mainWindow.SelectLayer(layer)
# Line 121  class LegendPanel(DockPanel): Line 143  class LegendPanel(DockPanel):
143      def DoOnProperties(self):      def DoOnProperties(self):
144          list = self.tree.GetSelectedHierarchy()          list = self.tree.GetSelectedHierarchy()
145    
146          ok = isinstance(list[0], Layer)          ok = isinstance(list[0], BaseLayer)
147          if ok:          if ok:
148              self.mainWindow.OpenLayerProperties(list[0], list[1])              self.mainWindow.OpenLayerProperties(list[0], list[1])
149    
# Line 131  class LegendPanel(DockPanel): Line 153  class LegendPanel(DockPanel):
153      def _OnProperties(self, event):      def _OnProperties(self, event):
154          self.DoOnProperties()          self.DoOnProperties()
155    
156        def _OnMoveTop(self, event):
157            self.tree.MoveCurrentItemTop()
158            
159      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
160          self.tree.MoveCurrentItemUp()          self.tree.MoveCurrentItemUp()
161    
162      def _OnMoveDown(self, event):      def _OnMoveDown(self, event):
163          self.tree.MoveCurrentItemDown()          self.tree.MoveCurrentItemDown()
164    
165        def _OnMoveBottom(self, event):
166            self.tree.MoveCurrentItemBottom()
167    
168      def _OnShowLayer(self, event):      def _OnShowLayer(self, event):
169          self.tree.DoOnShowLayer()          self.tree.DoOnShowLayer()
170          pass          pass
# Line 152  class LegendPanel(DockPanel): Line 180  class LegendPanel(DockPanel):
180          pass          pass
181    
182      def __EnableButtons(self, on):      def __EnableButtons(self, on):
183            self.toolBar.EnableTool(ID_LEGEND_TOP, on)
184          self.toolBar.EnableTool(ID_LEGEND_RAISE, on)          self.toolBar.EnableTool(ID_LEGEND_RAISE, on)
185          self.toolBar.EnableTool(ID_LEGEND_LOWER, on)          self.toolBar.EnableTool(ID_LEGEND_LOWER, on)
186            self.toolBar.EnableTool(ID_LEGEND_BOTTOM, on)
187          self.toolBar.EnableTool(ID_LEGEND_SHOWLAYER,  on)          self.toolBar.EnableTool(ID_LEGEND_SHOWLAYER,  on)
188          self.toolBar.EnableTool(ID_LEGEND_HIDELAYER,  on)          self.toolBar.EnableTool(ID_LEGEND_HIDELAYER,  on)
189          self.toolBar.EnableTool(ID_LEGEND_PROPS, on)          self.toolBar.EnableTool(ID_LEGEND_PROPS, on)
# Line 218  class LegendTree(wxTreeCtrl): Line 248  class LegendTree(wxTreeCtrl):
248                  #self._OnMsgMapsChanged)                  #self._OnMsgMapsChanged)
249              self.__FillTree(self.map)              self.__FillTree(self.map)
250    
251                    def MoveCurrentItemTop(self):
252      def MoveCurrentItemUp(self):          layer, group = self.GetSelectedHierarchy()
         cur_id = self.GetSelection()  
         assert cur_id.IsOk()  
   
         cur_data = self.GetPyData(cur_id)  
253    
254          #prev_id = self.GetPrevSibling(cur_id)          if layer is not None:
255                self.map.TopLayer(layer)
256            else:
257                assert False, "Shouldn't be allowed."
258                pass
259    
260          #      def MoveCurrentItemUp(self):
261          # Get out if there's nowhere to go          layer, group = self.GetSelectedHierarchy()
         #  
         #if prev_id == INVALID_TREE_ID: return  
262    
263          if isinstance(cur_data, Layer):          if layer is not None:
264              self.map.RaiseLayer(cur_data)              self.map.RaiseLayer(layer)
         elif isinstance(cur_data, ClassGroup):  
             pass  
265          else:          else:
266              assert False, "Shouldn't be here."              assert False, "Shouldn't be allowed."
267              pass              pass
268    
269      def MoveCurrentItemDown(self):      def MoveCurrentItemDown(self):
270          cur_id = self.GetSelection()          layer, group = self.GetSelectedHierarchy()
         assert cur_id.IsOk()  
   
         cur_data = self.GetPyData(cur_id)  
271    
272          if isinstance(cur_data, Layer):          if layer is not None:
273              self.map.LowerLayer(cur_data)              self.map.LowerLayer(layer)
         elif isinstance(cur_data, ClassGroup):  
             pass  
274          else:          else:
275              assert False, "Shouldn't be here."              assert False, "Shouldn't be allowed."
276              pass              pass
277    
278        def MoveCurrentItemBottom(self):
279            layer, group = self.GetSelectedHierarchy()
280    
281            if layer is not None:
282                self.map.BottomLayer(layer)
283            else:
284                assert False, "Shouldn't be allowed."
285                pass
286    
287      def OnCompareItems(self, item1, item2):      def OnCompareItems(self, item1, item2):
288    
289          data1 = self.GetPyData(item1)          data1 = self.GetPyData(item1)
290          data2 = self.GetPyData(item2)          data2 = self.GetPyData(item2)
291    
292          if isinstance(data1, Layer):          if isinstance(data1, BaseLayer):
293              layers = self.map.Layers()              layers = self.map.Layers()
294              return layers.index(data2) - layers.index(data1)              return layers.index(data2) - layers.index(data1)
295          else:          else:
296              return wxTreeCtrl.OnCompareItems(self, item1, item2)              return wxTreeCtrl.OnCompareItems(self, item1, item2)
297    
   
298      def DoOnShowLayer(self):      def DoOnShowLayer(self):
299          #self.__ShowHideLayer(True)          #self.__ShowHideLayer(True)
300          layer, group = self.GetSelectedHierarchy()          layer, group = self.GetSelectedHierarchy()
# Line 308  class LegendTree(wxTreeCtrl): Line 336  class LegendTree(wxTreeCtrl):
336          self.parent.DoOnProperties()          self.parent.DoOnProperties()
337    
338      def _OnMsgLayerChanged(self, layer):      def _OnMsgLayerChanged(self, layer):
339          assert isinstance(layer, Layer)          assert isinstance(layer, BaseLayer)
340    
341          id = self.layer2id[layer]          id = self.layer2id[layer]
342          assert id.IsOk()          assert id.IsOk()
# Line 336  class LegendTree(wxTreeCtrl): Line 364  class LegendTree(wxTreeCtrl):
364          self.__UpdateSelection()          self.__UpdateSelection()
365    
366      def _OnMsgLayerVisibilityChanged(self, layer):      def _OnMsgLayerVisibilityChanged(self, layer):
367          assert isinstance(layer, Layer)          assert isinstance(layer, BaseLayer)
368    
369          self.__ShowHideLayer(layer)          self.__ShowHideLayer(layer)
370          self.__UpdateSelection()          self.__UpdateSelection()
# Line 354  class LegendTree(wxTreeCtrl): Line 382  class LegendTree(wxTreeCtrl):
382                    
383      def __FillTree(self, map):      def __FillTree(self, map):
384    
         assert isinstance(map, Map)  
   
385          self.Freeze()          self.Freeze()
386    
387          self.__DeleteAllItems()          self.__DeleteAllItems()
# Line 401  class LegendTree(wxTreeCtrl): Line 427  class LegendTree(wxTreeCtrl):
427    
428          self.DeleteChildren(pid)          self.DeleteChildren(pid)
429    
430          clazz = layer.GetClassification()          if layer.HasClassification():
431    
432                clazz = layer.GetClassification()
433    
434          shapeType = layer.ShapeType()              shapeType = layer.ShapeType()
435    
436          show = layer.Visible()              show = layer.Visible()
437          for g in clazz:              for g in clazz:
438              if g.IsVisible():                  if g.IsVisible():
439                  id = self.AppendItem(pid, g.GetDisplayText())                      id = self.AppendItem(pid, g.GetDisplayText())
440                  self.SetPyData(id, g)                      self.SetPyData(id, g)
441                  self.__SetVisibilityStyle(show, id)                      self.__SetVisibilityStyle(show, id)
442    
443                  bmp = self.__BuildGroupImage(g, shapeType)                      bmp = self.__BuildGroupImage(g, shapeType)
444    
445                  if bmp is None:                      if bmp is None:
446                      self.SetItemImage(id, self.emptyImageIndex)                          self.SetItemImage(id, self.emptyImageIndex)
447                  else:                      else:
448                      i = self.image_list.Add(bmp)                          i = self.image_list.Add(bmp)
449                      self.SetItemImage(id, i)                          self.SetItemImage(id, i)
450    
451          self.Thaw()          self.Thaw()
452    
453      def __BuildGroupImage(self, group, shapeType):      def __BuildGroupImage(self, group, shapeType):
         assert isinstance(group, ClassGroup)  
454    
455          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)          bmp = wxEmptyBitmap(BMP_SIZE_W, BMP_SIZE_H)
456          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)          #brush = wxBrush(Color2wxColour(item[1]), wxSOLID)
# Line 454  class LegendTree(wxTreeCtrl): Line 481  class LegendTree(wxTreeCtrl):
481              font.SetStyle(wxNORMAL)              font.SetStyle(wxNORMAL)
482              color = wxBLACK              color = wxBLACK
483          else:          else:
484              font.SetStyle(wxITALIC)              #font.SetStyle(wxITALIC)
485                font.SetStyle(wxNORMAL)
486              color = wxLIGHT_GREY              color = wxLIGHT_GREY
487    
488          self.SetItemTextColour(id, color)          self.SetItemTextColour(id, color)
# Line 474  class LegendTree(wxTreeCtrl): Line 502  class LegendTree(wxTreeCtrl):
502              self.__SetVisibilityStyle(visible, id)              self.__SetVisibilityStyle(visible, id)
503              id, cookie = self.GetNextChild(parent, cookie)              id, cookie = self.GetNextChild(parent, cookie)
504                            
505    class ScaleBarBitmap(wxBoxSizer):
506    
507        def __init__(self, parent, map, mainWindow):
508            # While the width is fixed, get the height _now_.
509            dc = wxMemoryDC()
510            textwidth, textheight = dc.GetTextExtent("%d"%0)
511            self.width = 210
512            self.height = textheight + 3*2 + 8
513    
514            wxBoxSizer.__init__(self, wxVERTICAL)
515            bmp=wxEmptyBitmap(self.width, self.height)
516            self.scalebarBitmap = wxStaticBitmap(parent, -1, bmp)
517            self.Add(self.scalebarBitmap, 0, wxALIGN_CENTER|wxLEFT|wxTOP|wxRIGHT, 1)
518    
519            self.mainWindow = mainWindow
520            self.parent = parent
521            self.canvas = None
522            self.SetCanvas(self.mainWindow.canvas)
523    
524        def SetCanvas(self, canvas):
525            sub_list = [(SCALE_CHANGED, self._OnMsgScaleChanged)]
526    
527            if self.canvas is not None:
528                for msg, func in sub_list: self.canvas.Unsubscribe(msg, func)
529            
530            self.canvas = canvas
531            self.scalebar = ScaleBar(canvas.map)
532    
533            if self.canvas is not None:
534                for msg, func in sub_list: self.canvas.Subscribe(msg, func)
535                self.__SetScale(self.canvas.scale)
536    
537        def _OnMsgScaleChanged(self, scale):
538            self.__SetScale(scale)
539    
540        def __SetScale(self, scale):
541            bmp = wxEmptyBitmap(self.width, self.height)
542            dc = wxMemoryDC()
543            dc.SelectObject(bmp)
544            dc.Clear()
545    
546            self.scalebar.DrawScaleBar(scale, dc, (0,0), dc.GetSizeTuple())
547    
548            self.scalebarBitmap.SetBitmap(bmp)
549    
Legend:
Removed from v.665  
changed lines
  Added in v.990
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