/[thuban]/trunk/thuban/Thuban/UI/classifier.py
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Diff of /trunk/thuban/Thuban/UI/classifier.py

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revision 549 by jonathan, Thu Mar 20 09:45:07 2003 UTC revision 606 by jonathan, Fri Apr 4 12:16:39 2003 UTC
# Line 27  from Thuban.Model.color import Color Line 27  from Thuban.Model.color import Color
27    
28  from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT  from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT
29    
30    from Thuban.UI.classgen import ClassGenDialog, ClassGenerator
31    
32  from dialogs import NonModalDialog  from dialogs import NonModalDialog
33    
34  # widget id's  # widget id's
# Line 36  ID_CLASS_TABLE = 40011 Line 38  ID_CLASS_TABLE = 40011
38  ID_CLASSIFY_OK = 4001  ID_CLASSIFY_OK = 4001
39  ID_CLASSIFY_CANCEL = 4002  ID_CLASSIFY_CANCEL = 4002
40  ID_CLASSIFY_ADD = 4003  ID_CLASSIFY_ADD = 4003
41  ID_CLASSIFY_GENRANGE = 4004  ID_CLASSIFY_GENCLASS = 4004
42  ID_CLASSIFY_REMOVE = 4005  ID_CLASSIFY_REMOVE = 4005
43  ID_CLASSIFY_MOVEUP = 4006  ID_CLASSIFY_MOVEUP = 4006
44  ID_CLASSIFY_MOVEDOWN = 4007  ID_CLASSIFY_MOVEDOWN = 4007
45  ID_CLASSIFY_APPLY = 4008  ID_CLASSIFY_APPLY = 4008
46    ID_CLASSIFY_EDITPROPS = 4009
47    
48  # table columns  # table columns
49  COL_SYMBOL = 0  COL_SYMBOL = 0
# Line 59  FIELD_NAME = 2 Line 62  FIELD_NAME = 2
62  import weakref  import weakref
63  class ClassGrid(wxGrid):  class ClassGrid(wxGrid):
64    
65      def __init__(self, parent):  
66        def __init__(self, parent, classifier):
67          """Constructor.          """Constructor.
68    
69          parent -- the parent window          parent -- the parent window
# Line 72  class ClassGrid(wxGrid): Line 76  class ClassGrid(wxGrid):
76          wxGrid.__init__(self, parent, ID_CLASS_TABLE)          wxGrid.__init__(self, parent, ID_CLASS_TABLE)
77          #self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), True)          #self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), True)
78    
79            self.classifier = classifier
80    
81            self.currentSelection = []
82    
83          EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick)          EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick)
84          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)
85          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)
86            EVT_GRID_COL_SIZE(self, self._OnCellResize)
87            EVT_GRID_ROW_SIZE(self, self._OnCellResize)
88    
89          self.currentSelection = []          #print "123123123: ", ('Show' in dir(self))
90    
91      def CreateTable(self, clazz, shapeType):      #def Show(self):
92            #print "SHOW!"
93    
94          assert(isinstance(clazz, Classification))      #def Refresh(self):
95            #self.Show()
96        #def Update(self):
97            #self.Show()
98    
99        def CreateTable(self, clazz, shapeType, group = None):
100    
101            assert isinstance(clazz, Classification)
102    
         self.shapeType = shapeType  
103          table = self.GetTable()          table = self.GetTable()
104          if table is None:          if table is None:
105              w = self.GetDefaultColSize() * 3 + self.GetDefaultRowLabelSize()              w = self.GetDefaultColSize() * 3 + self.GetDefaultRowLabelSize()
106              h = self.GetDefaultRowSize() * 4 + self.GetDefaultColLabelSize()              h = self.GetDefaultRowSize() * 4 + self.GetDefaultColLabelSize()
107              self.SetDimensions(-1, -1, w, h)              self.SetDimensions(-1, -1, w, h)
108              self.SetSizeHints(w, h, -1, -1)              self.SetSizeHints(w, h, -1, -1)
109              self.SetTable(ClassTable(clazz, self.shapeType, self), True)              table = ClassTable(self)
110          else:              self.SetTable(table, True)
111              table.Reset(clazz, self.shapeType)  
112    
113          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(wxGrid.wxGridSelectRows)
114          self.ClearSelection()          self.ClearSelection()
115    
116            #print "8------------------"
117            table.Reset(clazz, shapeType, group)
118            #print "9------------------"
119    
120    #   def Show(self, show = True):
121    #       print "SHOW!"
122    #       wxGrid.Show(self, show)
123    
124    #       sel = self.GetCurrentSelection()
125    
126    #       print "( 1"
127    #       if len(sel) == 1:
128    #           print "( 2"
129    #           self.MakeCellVisible(sel[0], 0)
130    
131      def GetCurrentSelection(self):      def GetCurrentSelection(self):
132          """Return the currently highlighted rows as an increasing list          """Return the currently highlighted rows as an increasing list
133             of row numbers."""             of row numbers."""
134            #print "@@ ", self.currentSelection
135          sel = copy.copy(self.currentSelection)          sel = copy.copy(self.currentSelection)
136          sel.sort()          sel.sort()
137          return sel          return sel
138    
139        def GetSelectedRows(self):
140            return self.GetCurrentSelection()
141    
142      def SetCellRenderer(self, row, col):      def SetCellRenderer(self, row, col):
143          raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))          raise ValueError(_("Must not allow setting of renderer in ClassGrid!"))
144    
# Line 169  class ClassGrid(wxGrid): Line 205  class ClassGrid(wxGrid):
205                  r = self.GetNumberRows() - 1                  r = self.GetNumberRows() - 1
206              self.SelectRow(r)              self.SelectRow(r)
207                    
208    
209        def SelectGroup(self, group, makeVisible = True):
210            if group is None: return
211    
212            assert isinstance(group, ClassGroup)
213    
214            table = self.GetTable()
215    
216            assert table is not None
217    
218    
219            #print "-- ", group
220            for i in range(table.GetNumberRows()):
221                g = table.GetClassGroup(i)
222                #print "1", g
223                if g is group:
224                    #print "2"
225                    self.SelectRow(i)
226                    if makeVisible:
227                        #print "3"
228                        self.MakeCellVisible(i, 0)
229                    break
230    
231            
232    
233  #  #
234  # XXX: This isn't working, and there is no way to deselect rows wxPython!  # XXX: This isn't working, and there is no way to deselect rows wxPython!
235  #  #
# Line 186  class ClassGrid(wxGrid): Line 247  class ClassGrid(wxGrid):
247          r = event.GetRow()          r = event.GetRow()
248          c = event.GetCol()          c = event.GetCol()
249          if c == COL_SYMBOL:          if c == COL_SYMBOL:
250              prop = self.GetTable().GetValueAsCustom(r, c, None)              self.classifier.EditGroupProperties(r)
             #prop = group.GetProperties()  
251    
             # get a new ClassGroupProperties object and copy the  
             # values over to our current object  
             propDlg = SelectPropertiesDialog(NULL, prop, self.shapeType)  
             if propDlg.ShowModal() == wxID_OK:  
                 new_prop = propDlg.GetClassGroupProperties()  
                 #prop.SetProperties(new_prop)  
                 self.GetTable().SetValueAsCustom(r, c, None, new_prop)  
             propDlg.Destroy()  
252    
253      #      #
254      # _OnSelectedRange() and _OnSelectedCell() were borrowed      # _OnSelectedRange() and _OnSelectedCell() were borrowed
# Line 208  class ClassGrid(wxGrid): Line 260  class ClassGrid(wxGrid):
260          if event.Selecting():          if event.Selecting():
261              for index in range( event.GetTopRow(), event.GetBottomRow()+1):              for index in range( event.GetTopRow(), event.GetBottomRow()+1):
262                  if index not in self.currentSelection:                  if index not in self.currentSelection:
263                        #print "    ", index
264                      self.currentSelection.append( index )                      self.currentSelection.append( index )
265          else:          else:
266              for index in range( event.GetTopRow(), event.GetBottomRow()+1):              for index in range( event.GetTopRow(), event.GetBottomRow()+1):
267                  while index in self.currentSelection:                  while index in self.currentSelection:
268                        #print "    ", index
269                      self.currentSelection.remove( index )                      self.currentSelection.remove( index )
270          #self.ConfigureForSelection()          #self.ConfigureForSelection()
271    
272            #print self.GetCurrentSelection()
273          event.Skip()          event.Skip()
274    
275      def _OnSelectedCell( self, event ):      def _OnSelectedCell( self, event ):
276          """Internal update to the selection tracking list"""          """Internal update to the selection tracking list"""
277            #print "selecting cell: ", event.GetRow()
278          self.currentSelection = [ event.GetRow() ]          self.currentSelection = [ event.GetRow() ]
279          #self.ConfigureForSelection()          #self.ConfigureForSelection()
280          event.Skip()          event.Skip()
281    
282        def _OnCellResize(self, event):
283            self.FitInside()
284    
285  class ClassTable(wxPyGridTableBase):  class ClassTable(wxPyGridTableBase):
286      """Represents the underlying data structure for the grid."""      """Represents the underlying data structure for the grid."""
287    
# Line 230  class ClassTable(wxPyGridTableBase): Line 289  class ClassTable(wxPyGridTableBase):
289    
290      __col_labels = [_("Symbol"), _("Value"), _("Label")]      __col_labels = [_("Symbol"), _("Value"), _("Label")]
291    
292      def __init__(self, clazz, shapeType, view = None):  
293        def __init__(self, view = None):
294        #def __init__(self, clazz, shapeType, view = None):
295          """Constructor.          """Constructor.
296    
297          shapeType -- the type of shape that the layer uses          shapeType -- the type of shape that the layer uses
# Line 243  class ClassTable(wxPyGridTableBase): Line 304  class ClassTable(wxPyGridTableBase):
304          self.SetView(view)          self.SetView(view)
305          self.tdata = []          self.tdata = []
306    
307          self.Reset(clazz, shapeType)          #self.Reset(clazz, shapeType)
308    
309      def Reset(self, clazz, shapeType):      def Reset(self, clazz, shapeType, group = None):
310          """Reset the table with the given data.          """Reset the table with the given data.
311    
312          This is necessary because wxWindows does not allow a grid's          This is necessary because wxWindows does not allow a grid's
# Line 259  class ClassTable(wxPyGridTableBase): Line 320  class ClassTable(wxPyGridTableBase):
320          shapeType -- the type of shape that the layer uses          shapeType -- the type of shape that the layer uses
321          """          """
322    
323          assert(isinstance(clazz, Classification))          assert isinstance(clazz, Classification)
324    
325          self.GetView().BeginBatch()          self.GetView().BeginBatch()
326    
327          self.fieldType = clazz.GetFieldType()          self.fieldType = clazz.GetFieldType()
328          self.shapeType = shapeType          self.shapeType = shapeType
329    
330          old_len = len(self.tdata)          self.SetClassification(clazz, group)
331            self.__Modified(-1)
332            #print "11------------------"
333    
334            self.GetView().EndBatch()
335            self.GetView().FitInside()
336    
337        def SetClassification(self, clazz, group = None):
338    
339            self.GetView().BeginBatch()
340    
341            old_len = self.GetNumberRows()
342          self.tdata = []          self.tdata = []
343    
344            #print "9------------------"
345          #          #
346          # copy the data out of the classification and into our          # copy the data out of the classification and into our
347          # array          # array
348          #          #
349          for p in clazz:          row = -1
350              np = copy.deepcopy(p)          for g in clazz:
351              self.__SetRow(-1, np)              ng = copy.deepcopy(g)
352                self.__SetRow(None, ng)
353                if g is group:
354                    row = self.GetNumberRows() - 1
355                    #print "selecting row..."
356    
357            #print "10------------------"
358    
359          self.__Modified(-1)          self.__NotifyRowChanges(old_len, self.GetNumberRows())
360    
361          self.__NotifyRowChanges(old_len, len(self.tdata))          if row > -1:
362                self.GetView().ClearSelection()
363                self.GetView().SelectRow(row)
364                self.GetView().MakeCellVisible(row, 0)
365    
               
366          self.GetView().EndBatch()          self.GetView().EndBatch()
367            self.GetView().FitInside()
368    
369      def __NotifyRowChanges(self, curRows, newRows):      def __NotifyRowChanges(self, curRows, newRows):
370          #          #
# Line 300  class ClassTable(wxPyGridTableBase): Line 380  class ClassTable(wxPyGridTableBase):
380          elif newRows < curRows:          elif newRows < curRows:
381              msg = wxGridTableMessage(self,              msg = wxGridTableMessage(self,
382                          wxGRIDTABLE_NOTIFY_ROWS_DELETED,                          wxGRIDTABLE_NOTIFY_ROWS_DELETED,
383                          curRows - newRows,    # position                          curRows,              # position
384                          curRows - newRows)    # how many                          curRows - newRows)    # how many
385              self.GetView().ProcessTableMessage(msg)              self.GetView().ProcessTableMessage(msg)
386              self.GetView().FitInside()              self.GetView().FitInside()
# Line 310  class ClassTable(wxPyGridTableBase): Line 390  class ClassTable(wxPyGridTableBase):
390    
391          The table is considered modified after this operation.          The table is considered modified after this operation.
392    
393          row -- if row is -1 or greater than the current number of rows          row -- if row is < 0 'group' is inserted at the top of the table
394                 then group is appended to the end.                 if row is >= GetNumberRows() or None 'group' is append to
395                        the end of the table.
396                   otherwise 'group' replaces row 'row'
397          """          """
398    
399          # either append or replace          # either append or replace
400          if row == -1 or row >= self.GetNumberRows():          if row is None or row >= self.GetNumberRows():
401              self.tdata.append(group)              self.tdata.append(group)
402            elif row < 0:
403                self.tdata.insert(0, group)
404          else:          else:
405              self.tdata[row] = group              self.tdata[row] = group
406    
# Line 335  class ClassTable(wxPyGridTableBase): Line 419  class ClassTable(wxPyGridTableBase):
419          if isinstance(group, ClassGroupRange):     return _("Range")          if isinstance(group, ClassGroupRange):     return _("Range")
420          if isinstance(group, ClassGroupMap):       return _("Map")          if isinstance(group, ClassGroupMap):       return _("Map")
421    
422          assert(False) # shouldn't get here          assert False # shouldn't get here
423          return _("")          return _("")
424    
425      def GetNumberRows(self):      def GetNumberRows(self):
# Line 380  class ClassTable(wxPyGridTableBase): Line 464  class ClassTable(wxPyGridTableBase):
464              return group.GetLabel()              return group.GetLabel()
465    
466          # col must be COL_VALUE          # col must be COL_VALUE
467          assert(col == COL_VALUE)          assert col == COL_VALUE
468    
469          if isinstance(group, ClassGroupDefault):          if isinstance(group, ClassGroupDefault):
470              return _("DEFAULT")              return _("DEFAULT")
# Line 389  class ClassTable(wxPyGridTableBase): Line 473  class ClassTable(wxPyGridTableBase):
473          elif isinstance(group, ClassGroupRange):          elif isinstance(group, ClassGroupRange):
474              return _("%s - %s") % (group.GetMin(), group.GetMax())              return _("%s - %s") % (group.GetMin(), group.GetMax())
475    
476          assert(False) # shouldn't get here          assert False  # shouldn't get here
477          return None          return None
478    
479      def __ParseInput(self, value):      def __ParseInput(self, value):
# Line 429  class ClassTable(wxPyGridTableBase): Line 513  class ClassTable(wxPyGridTableBase):
513    
514                  return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))                  return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))
515    
516          assert(False) # shouldn't get here          assert False  # shouldn't get here
517          return (0,)          return (0,)
518                            
519    
# Line 445  class ClassTable(wxPyGridTableBase): Line 529  class ClassTable(wxPyGridTableBase):
529          typeName -- unused, but needed to overload wxPyGridTableBase          typeName -- unused, but needed to overload wxPyGridTableBase
530          """          """
531    
532          assert(col >= 0 and col < self.GetNumberCols())          assert col >= 0 and col < self.GetNumberCols()
533          assert(row >= 0 and row < self.GetNumberRows())          assert row >= 0 and row < self.GetNumberRows()
534    
535          group = self.tdata[row]          group = self.tdata[row]
536    
# Line 491  class ClassTable(wxPyGridTableBase): Line 575  class ClassTable(wxPyGridTableBase):
575                              changed = True                              changed = True
576                          ngroup.SetRange(dataInfo[0], dataInfo[1])                          ngroup.SetRange(dataInfo[0], dataInfo[1])
577                      else:                      else:
578                          assert(False)                          assert False
579                          pass                          pass
580    
581                      if changed:                      if changed:
582                          ngroup.SetLabel(group.GetLabel())                          ngroup.SetLabel(group.GetLabel())
583                          self.SetClassGroup(row, ngroup)                          self.SetClassGroup(row, ngroup)
584          else:          else:
585              assert(False) # shouldn't be here              assert False # shouldn't be here
586              pass              pass
587    
588          if mod:          if mod:
# Line 553  class ClassTable(wxPyGridTableBase): Line 637  class ClassTable(wxPyGridTableBase):
637          The table is considered modified if any rows are removed.          The table is considered modified if any rows are removed.
638          """          """
639    
640          assert(pos >= 0)          assert pos >= 0
641          old_len = len(self.tdata)          old_len = len(self.tdata)
642          for row in range(pos, pos - numRows, -1):          for row in range(pos, pos - numRows, -1):
643              group = self.GetClassGroup(row)              group = self.GetClassGroup(row)
# Line 573  class ClassTable(wxPyGridTableBase): Line 657  class ClassTable(wxPyGridTableBase):
657          old_len = len(self.tdata)          old_len = len(self.tdata)
658          for i in range(numRows):          for i in range(numRows):
659              np = ClassGroupSingleton()              np = ClassGroupSingleton()
660              self.__SetRow(-1, np)              self.__SetRow(None, np)
661    
662          if self.IsModified():          if self.IsModified():
663              self.__NotifyRowChanges(old_len, len(self.tdata))              self.__NotifyRowChanges(old_len, len(self.tdata))
# Line 581  class ClassTable(wxPyGridTableBase): Line 665  class ClassTable(wxPyGridTableBase):
665    
666  class Classifier(NonModalDialog):  class Classifier(NonModalDialog):
667    
668      def __init__(self, parent, name, layer):      def __init__(self, parent, name, layer, group = None):
669          NonModalDialog.__init__(self, parent, name,          NonModalDialog.__init__(self, parent, name,
670                                  _("Classifier: %s") % layer.Title())                                  _("Classifier: %s") % layer.Title())
671    
# Line 631  class Classifier(NonModalDialog): Line 715  class Classifier(NonModalDialog):
715          ###########          ###########
716    
717          self.fieldTypeText = wxStaticText(panel, -1, "")          self.fieldTypeText = wxStaticText(panel, -1, "")
718          panelBox.Add(self.fieldTypeText, 0, wxGROW | wxALIGN_LEFT | wxALL, 4)          panelBox.Add(self.fieldTypeText, 0,
719                         wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)
720    
721          propertyBox = wxBoxSizer(wxHORIZONTAL)          propertyBox = wxBoxSizer(wxHORIZONTAL)
722          propertyBox.Add(wxStaticText(panel, -1, _("Field: ")),          propertyBox.Add(wxStaticText(panel, -1, _("Field: ")),
# Line 641  class Classifier(NonModalDialog): Line 726  class Classifier(NonModalDialog):
726    
727          panelBox.Add(propertyBox, 0, wxGROW, 4)          panelBox.Add(propertyBox, 0, wxGROW, 4)
728    
729          ###########  
730          #          #
731          # Classification data table          # Control Box
732          #          #
   
733          controlBox = wxBoxSizer(wxHORIZONTAL)          controlBox = wxBoxSizer(wxHORIZONTAL)
734    
         self.classGrid = ClassGrid(panel)  
         self.__SetGridTable(self.__cur_field)  
   
         controlBox.Add(self.classGrid, 1, wxGROW, 0)  
735    
736          ###########          ###########
737          #          #
# Line 665  class Classifier(NonModalDialog): Line 745  class Classifier(NonModalDialog):
745          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
746          self.controlButtons.append(button)          self.controlButtons.append(button)
747    
748          #button = wxButton(panel, ID_CLASSIFY_GENRANGE, _("Generate Ranges"))          button = wxButton(panel, ID_CLASSIFY_EDITPROPS, _("Edit Properties"))
749          #controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
750          #self.controlButtons.append(button)          self.controlButtons.append(button)
751    
752            button = wxButton(panel, ID_CLASSIFY_GENCLASS, _("Generate Class"))
753            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
754            self.controlButtons.append(button)
755    
756          button = wxButton(panel, ID_CLASSIFY_MOVEUP, _("Move Up"))          button = wxButton(panel, ID_CLASSIFY_MOVEUP, _("Move Up"))
757          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
# Line 683  class Classifier(NonModalDialog): Line 767  class Classifier(NonModalDialog):
767          controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)          controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
768          self.controlButtons.append(button)          self.controlButtons.append(button)
769    
770    
771            ###########
772            #
773            # Classification data table
774            #
775    
776            self.classGrid = ClassGrid(panel, self)
777            #self.__SetGridTable(self.__cur_field, group)
778            #self.fields.SetSelection(self.__cur_field)
779    
780            # calling __SelectField after creating the classGrid fills in the
781            # grid with the correct information
782            #print "2------------------"
783            self.__SelectField(self.__cur_field, group = group)
784    
785            #self.classGrid.SelectGroup(group)
786    
787            controlBox.Add(self.classGrid, 1, wxGROW, 0)
788    
789    
790    
791          controlBox.Add(controlButtonBox, 0, wxGROW, 10)          controlBox.Add(controlButtonBox, 0, wxGROW, 10)
792          panelBox.Add(controlBox, 1, wxGROW, 10)          panelBox.Add(controlBox, 1, wxGROW, 10)
793    
794          EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd)          EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd)
795            EVT_BUTTON(self, ID_CLASSIFY_EDITPROPS, self._OnEditGroupProperties)
796          EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove)          EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove)
797          EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self._OnGenRange)          EVT_BUTTON(self, ID_CLASSIFY_GENCLASS, self._OnGenClass)
798          EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)          EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)
799          EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)          EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)
800    
# Line 711  class Classifier(NonModalDialog): Line 817  class Classifier(NonModalDialog):
817    
818          ###########          ###########
819    
         self.fields.SetSelection(self.__cur_field)  
         self.__SelectField(self.__cur_field)  
820    
821          panel.SetAutoLayout(True)          panel.SetAutoLayout(True)
822          panel.SetSizer(panelBox)          panel.SetSizer(panelBox)
823          panelBox.SetSizeHints(panel)          panelBox.SetSizeHints(panel)
824    
825          topBox.Add(panel, 1, wxGROW, 0)          topBox.Add(panel, 1, wxGROW, 0)
826          panelBox.SetSizeHints(self)          panelBox.SetSizeHints(self)
827          self.SetAutoLayout(True)          self.SetAutoLayout(True)
828          self.SetSizer(topBox)          self.SetSizer(topBox)
829    
830            #print "1------------------"
831            #self.Fit()
832          ######################          ######################
833    
834          self.haveApplied = False          self.haveApplied = False
835    
836        def EditGroupProperties(self, row):
837            table = self.classGrid.GetTable()
838            prop = table.GetValueAsCustom(row, COL_SYMBOL, None)
839    
840            # get a new ClassGroupProperties object and copy the
841            # values over to our current object
842            propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType())
843            if propDlg.ShowModal() == wxID_OK:
844                new_prop = propDlg.GetClassGroupProperties()
845                table.SetValueAsCustom(row, COL_SYMBOL, None, new_prop)
846            propDlg.Destroy()
847            
848    
849      def __BuildClassification(self, fieldIndex):      def __BuildClassification(self, fieldIndex):
850    
851          numRows = self.classGrid.GetNumberRows()          numRows = self.classGrid.GetNumberRows()
852          assert(numRows > 0) # there should always be a default row          assert numRows > 0  # there should always be a default row
853    
854          clazz = Classification()          clazz = Classification()
855          if fieldIndex == 0:          if fieldIndex == 0:
# Line 752  class Classifier(NonModalDialog): Line 871  class Classifier(NonModalDialog):
871    
872          return clazz          return clazz
873    
874      def __SetGridTable(self, fieldIndex):      def __SetGridTable(self, fieldIndex, group = None):
875    
876          clazz = self.fields.GetClientData(fieldIndex)          clazz = self.fields.GetClientData(fieldIndex)
877    
# Line 767  class Classifier(NonModalDialog): Line 886  class Classifier(NonModalDialog):
886              fieldType = self.layer.GetFieldType(fieldName)              fieldType = self.layer.GetFieldType(fieldName)
887              clazz.SetFieldType(fieldType)              clazz.SetFieldType(fieldType)
888                                    
889          self.classGrid.CreateTable(clazz, self.layer.ShapeType())          #print "6------------------"
890            self.classGrid.CreateTable(clazz, self.layer.ShapeType(), group)
891            #print "7------------------"
892    
893    
894    
# Line 780  class Classifier(NonModalDialog): Line 901  class Classifier(NonModalDialog):
901          fieldName = self.fields.GetString(fieldIndex)          fieldName = self.fields.GetString(fieldIndex)
902          fieldType = self.layer.GetFieldType(fieldName)          fieldType = self.layer.GetFieldType(fieldName)
903    
904          assert(Classifier.type2string.has_key(fieldType))          assert Classifier.type2string.has_key(fieldType)
905    
906          text = Classifier.type2string[fieldType]          text = Classifier.type2string[fieldType]
907    
908          self.fieldTypeText.SetLabel(_("Field Type: %s") % text)          self.fieldTypeText.SetLabel(_("Field Type: %s") % text)
909    
910      def __SelectField(self, newIndex, oldIndex = -1):      def __SelectField(self, newIndex, oldIndex = -1, group = None):
911    
912            #print "3------------------"
913    
914            assert oldIndex >= -1
915    
916          assert(oldIndex >= -1)          self.fields.SetSelection(newIndex)
917    
918          if oldIndex != -1:          if oldIndex != -1:
919              clazz = self.__BuildClassification(oldIndex)              clazz = self.__BuildClassification(oldIndex)
920              self.fields.SetClientData(oldIndex, clazz)              self.fields.SetClientData(oldIndex, clazz)
921    
922          self.__SetGridTable(newIndex)          #print "4------------------"
923            self.__SetGridTable(newIndex, group)
924            #print "5------------------"
925    
926          enabled = newIndex != 0          enabled = newIndex != 0
927    
# Line 804  class Classifier(NonModalDialog): Line 931  class Classifier(NonModalDialog):
931          self.__SetFieldTypeText(newIndex)          self.__SetFieldTypeText(newIndex)
932    
933    
934        def _OnEditGroupProperties(self, event):
935            sel = self.classGrid.GetCurrentSelection()
936    
937            if len(sel) == 1:
938                self.EditGroupProperties(sel[0])
939    
940      def _OnFieldSelect(self, event):      def _OnFieldSelect(self, event):
941          index = self.fields.GetSelection()          index = self.fields.GetSelection()
942          self.__SelectField(index, self.__cur_field)          self.__SelectField(index, self.__cur_field)
# Line 844  class Classifier(NonModalDialog): Line 977  class Classifier(NonModalDialog):
977      def _OnRemove(self, event):      def _OnRemove(self, event):
978          self.classGrid.DeleteSelectedRows()          self.classGrid.DeleteSelectedRows()
979    
980      def _OnGenRange(self, event):      def _OnGenClass(self, event):
981          print "Classifier._OnGenRange()"  
982            genDlg = ClassGenDialog(self,
983                                    self.layer.table,
984                                    self.fields.GetString(self.__cur_field))
985    
986            if genDlg.ShowModal() == wxID_OK:
987                clazz = genDlg.GetClassification()
988                self.fields.SetClientData(self.__cur_field, clazz)
989                self.classGrid.GetTable().SetClassification(clazz)
990            genDlg.Destroy()
991    
992      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
993          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
994    
995            #print "sel: ", sel
996    
997          if len(sel) == 1:          if len(sel) == 1:
998              i = sel[0]              i = sel[0]
999              if i > 1:              if i > 1:
# Line 860  class Classifier(NonModalDialog): Line 1004  class Classifier(NonModalDialog):
1004                  table.SetClassGroup(i, x)                  table.SetClassGroup(i, x)
1005                  self.classGrid.ClearSelection()                  self.classGrid.ClearSelection()
1006                  self.classGrid.SelectRow(i - 1)                  self.classGrid.SelectRow(i - 1)
1007                    self.classGrid.MakeCellVisible(i - 1, 0)
1008    
1009      def _OnMoveDown(self, event):      def _OnMoveDown(self, event):
1010          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
# Line 874  class Classifier(NonModalDialog): Line 1019  class Classifier(NonModalDialog):
1019                  table.SetClassGroup(i + 1, x)                  table.SetClassGroup(i + 1, x)
1020                  self.classGrid.ClearSelection()                  self.classGrid.ClearSelection()
1021                  self.classGrid.SelectRow(i + 1)                  self.classGrid.SelectRow(i + 1)
1022                    self.classGrid.MakeCellVisible(i + 1, 0)
1023    
1024    
1025  ID_SELPROP_OK = 4001  ID_SELPROP_OK = 4001
# Line 985  class SelectPropertiesDialog(wxDialog): Line 1131  class SelectPropertiesDialog(wxDialog):
1131    
1132      def __GetColor(self, cur):      def __GetColor(self, cur):
1133          dialog = wxColourDialog(self)          dialog = wxColourDialog(self)
1134          dialog.GetColourData().SetColour(Color2wxColour(cur))          if cur is not Color.None:
1135                dialog.GetColourData().SetColour(Color2wxColour(cur))
1136    
1137          ret = None          ret = None
1138          if dialog.ShowModal() == wxID_OK:          if dialog.ShowModal() == wxID_OK:
1139              ret = wxColour2Color(dialog.GetColourData().GetColour())              ret = wxColour2Color(dialog.GetColourData().GetColour())
# Line 1050  class ClassDataPreviewer: Line 1198  class ClassDataPreviewer:
1198    
1199      def Draw(self, dc, rect, prop, shapeType):      def Draw(self, dc, rect, prop, shapeType):
1200    
1201          assert(dc is not None)          assert dc is not None
1202          assert(isinstance(prop, ClassGroupProperties))          assert isinstance(prop, ClassGroupProperties)
1203    
1204          if rect is None:          if rect is None:
1205              x = 0              x = 0
# Line 1086  class ClassDataPreviewer: Line 1234  class ClassDataPreviewer:
1234                             wxPoint(x + w/2, y + h/4*3),                             wxPoint(x + w/2, y + h/4*3),
1235                             wxPoint(x + w, y)])                             wxPoint(x + w, y)])
1236    
1237          elif shapeType == SHAPETYPE_POINT or \          elif shapeType == SHAPETYPE_POINT:
              shapeType == SHAPETYPE_POLYGON:  
1238    
1239              dc.DrawCircle(x + w/2, y + h/2,              dc.DrawCircle(x + w/2, y + h/2,
1240                            (min(w, h) - prop.GetLineWidth())/2)                            (min(w, h) - prop.GetLineWidth())/2)
1241    
1242            elif shapeType == SHAPETYPE_POLYGON:
1243                dc.DrawRectangle(x, y, w, h)
1244    
1245  class ClassRenderer(wxPyGridCellRenderer):  class ClassRenderer(wxPyGridCellRenderer):
1246    
1247      def __init__(self, shapeType):      def __init__(self, shapeType):
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