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

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revision 473 by jonathan, Wed Mar 5 18:39:45 2003 UTC revision 489 by jonathan, Fri Mar 7 18:22:47 2003 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001 by Intevation GmbH  # Copyright (c) 2001, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jonathan Coles <[email protected]>  # Jonathan Coles <[email protected]>
4  #  #
# 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 dialogs import NonModalDialog
31    
32  # widget id's  # widget id's
33  ID_PROPERTY_SELECT = 4010  ID_PROPERTY_SELECT = 4010
34  ID_CLASS_TABLE = 40011  ID_CLASS_TABLE = 40011
# Line 38  ID_CLASSIFY_GENRANGE = 4004 Line 40  ID_CLASSIFY_GENRANGE = 4004
40  ID_CLASSIFY_REMOVE = 4005  ID_CLASSIFY_REMOVE = 4005
41  ID_CLASSIFY_MOVEUP = 4006  ID_CLASSIFY_MOVEUP = 4006
42  ID_CLASSIFY_MOVEDOWN = 4007  ID_CLASSIFY_MOVEDOWN = 4007
43    ID_CLASSIFY_APPLY = 4008
44    
45  # table columns  # table columns
46  COL_SYMBOL = 0  COL_SYMBOL = 0
# Line 65  class ClassGrid(wxGrid): Line 68  class ClassGrid(wxGrid):
68                   use for display.                   use for display.
69          """          """
70    
71          wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160))          #wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160))
72            wxGrid.__init__(self, parent, ID_CLASS_TABLE)
73          #self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), true)          #self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), true)
         self.SetSelectionMode(wxGrid.wxGridSelectRows)  
74    
75          EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick)          EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick)
76          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)          EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange)
# Line 86  class ClassGrid(wxGrid): Line 89  class ClassGrid(wxGrid):
89          else:          else:
90              table.Reset(clazz, self.shapeType)              table.Reset(clazz, self.shapeType)
91    
92            self.SetSelectionMode(wxGrid.wxGridSelectRows)
93          self.ClearSelection()          self.ClearSelection()
94    
95      def GetCurrentSelection(self):      def GetCurrentSelection(self):
# Line 128  class ClassGrid(wxGrid): Line 132  class ClassGrid(wxGrid):
132          # if only one thing is selected check if it is the default          # if only one thing is selected check if it is the default
133          # data row, because we can't remove that          # data row, because we can't remove that
134          if len(sel) == 1:          if len(sel) == 1:
135              group = self.GetTable().GetValueAsCustom(sel[0], COL_SYMBOL, None)              #group = self.GetTable().GetValueAsCustom(sel[0], COL_SYMBOL, None)
136                group = self.GetTable().GetClassGroup(sel[0])
137              if isinstance(group, ClassGroupDefault):              if isinstance(group, ClassGroupDefault):
138                  wxMessageDialog(self,                  wxMessageDialog(self,
139                                  "The Default group cannot be removed.",                                  "The Default group cannot be removed.",
# Line 177  class ClassGrid(wxGrid): Line 182  class ClassGrid(wxGrid):
182          r = event.GetRow()          r = event.GetRow()
183          c = event.GetCol()          c = event.GetCol()
184          if c == COL_SYMBOL:          if c == COL_SYMBOL:
185              group = self.GetTable().GetValueAsCustom(r, c, None)              prop = self.GetTable().GetValueAsCustom(r, c, None)
186              prop = group.GetProperties()              #prop = group.GetProperties()
187    
188              # get a new ClassGroupProperties object and copy the              # get a new ClassGroupProperties object and copy the
189              # values over to our current object              # values over to our current object
190              propDlg = SelectPropertiesDialog(NULL, prop, self.shapeType)              propDlg = SelectPropertiesDialog(NULL, prop, self.shapeType)
191              if propDlg.ShowModal() == wxID_OK:              if propDlg.ShowModal() == wxID_OK:
192                  new_prop = propDlg.GetClassGroupProperties()                  new_prop = propDlg.GetClassGroupProperties()
193                  prop.SetProperties(new_prop)                  #prop.SetProperties(new_prop)
194                  self.Refresh()                  self.GetTable().SetValueAsCustom(r, c, None, new_prop)
195              propDlg.Destroy()              propDlg.Destroy()
196    
197      #      #
# Line 230  class ClassTable(wxPyGridTableBase): Line 235  class ClassTable(wxPyGridTableBase):
235          """          """
236    
237          wxPyGridTableBase.__init__(self)          wxPyGridTableBase.__init__(self)
238    
239          self.SetView(view)          self.SetView(view)
240          self.tdata = []          self.tdata = []
241    
# Line 253  class ClassTable(wxPyGridTableBase): Line 259  class ClassTable(wxPyGridTableBase):
259    
260          self.GetView().BeginBatch()          self.GetView().BeginBatch()
261    
262          self.clazz = clazz          self.fieldType = clazz.GetFieldType()
263          self.shapeType = shapeType          self.shapeType = shapeType
         self.renderer = ClassRenderer(self.shapeType)  
264    
265          old_len = len(self.tdata)          old_len = len(self.tdata)
266    
# Line 265  class ClassTable(wxPyGridTableBase): Line 270  class ClassTable(wxPyGridTableBase):
270          # copy the data out of the classification and into our          # copy the data out of the classification and into our
271          # array          # array
272          #          #
273          for p in self.clazz:          for p in clazz:
274              np = copy.copy(p)              np = copy.deepcopy(p)
275              self.__SetRow(-1, np)              self.__SetRow(-1, np)
276    
277    
278          self.__Modified(False)          self.__Modified(-1)
279    
280          self.__NotifyRowChanges(old_len, len(self.tdata))          self.__NotifyRowChanges(old_len, len(self.tdata))
281    
282            view = self.GetView()
283            w = view.GetDefaultColSize() * 3 + view.GetDefaultRowLabelSize()
284            h = view.GetDefaultRowSize() * 4 + view.GetDefaultColLabelSize()
285            view.SetDimensions(-1, -1, w, h)
286            view.SetSizeHints(w, h, -1, -1)
287                
288          self.GetView().EndBatch()          self.GetView().EndBatch()
289    
290      def __NotifyRowChanges(self, curRows, newRows):      def __NotifyRowChanges(self, curRows, newRows):
# Line 295  class ClassTable(wxPyGridTableBase): Line 307  class ClassTable(wxPyGridTableBase):
307      def __SetRow(self, row, group):      def __SetRow(self, row, group):
308          """Set a row's data to that of the group.          """Set a row's data to that of the group.
309    
310            The table is considered modified after this operation.
311    
312          row -- if row is -1 or greater than the current number of rows          row -- if row is -1 or greater than the current number of rows
313                 then group is appended to the end.                 then group is appended to the end.
314          """          """
# Line 359  class ClassTable(wxPyGridTableBase): Line 373  class ClassTable(wxPyGridTableBase):
373          group = self.tdata[row]          group = self.tdata[row]
374    
375          if col == COL_SYMBOL:          if col == COL_SYMBOL:
376              return group              return group.GetProperties()
377    
378          if col == COL_LABEL:          if col == COL_LABEL:
379              return group.GetLabel()              return group.GetLabel()
# Line 385  class ClassTable(wxPyGridTableBase): Line 399  class ClassTable(wxPyGridTableBase):
399          value, or of length two if it is a range.          value, or of length two if it is a range.
400          """          """
401    
402          type = self.clazz.GetFieldType()          type = self.fieldType
403    
404          if type == FIELDTYPE_STRING:          if type == FIELDTYPE_STRING:
405              return (value,)              return (value,)
# Line 415  class ClassTable(wxPyGridTableBase): Line 429  class ClassTable(wxPyGridTableBase):
429                  return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))                  return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))
430    
431          assert(False) # shouldn't get here          assert(False) # shouldn't get here
432            return (0,)
433                            
434    
435      def SetValueAsCustom(self, row, col, typeName, value):      def SetValueAsCustom(self, row, col, typeName, value):
# Line 434  class ClassTable(wxPyGridTableBase): Line 449  class ClassTable(wxPyGridTableBase):
449    
450          group = self.tdata[row]          group = self.tdata[row]
451    
452          mod = False          mod = True # assume the data will change
453    
454          if col == COL_SYMBOL:          if col == COL_SYMBOL:
455              self.__SetRow(row, value)              group.SetProperties(value)
456              mod = True          elif col == COL_LABEL:
457                group.SetLabel(value)
458          elif col == COL_VALUE:          elif col == COL_VALUE:
459              if isinstance(group, ClassGroupDefault):              if isinstance(group, ClassGroupDefault):
460                  # not allowed to modify the default value                  # not allowed to modify the default value
# Line 451  class ClassTable(wxPyGridTableBase): Line 467  class ClassTable(wxPyGridTableBase):
467                      dataInfo = self.__ParseInput(value)                      dataInfo = self.__ParseInput(value)
468                  except ValueError:                  except ValueError:
469                      # bad input, ignore the request                      # bad input, ignore the request
470                      pass                      mod = False
471                  else:                  else:
472    
473                        changed = False
474                      ngroup = group                      ngroup = group
475                      props = group.GetProperties()                      props = group.GetProperties()
476    
# Line 465  class ClassTable(wxPyGridTableBase): Line 482  class ClassTable(wxPyGridTableBase):
482                      if len(dataInfo) == 1:                      if len(dataInfo) == 1:
483                          if not isinstance(group, ClassGroupSingleton):                          if not isinstance(group, ClassGroupSingleton):
484                              ngroup = ClassGroupSingleton(prop = props)                              ngroup = ClassGroupSingleton(prop = props)
485                                changed = True
486                          ngroup.SetValue(dataInfo[0])                          ngroup.SetValue(dataInfo[0])
487                      elif len(dataInfo) == 2:                      elif len(dataInfo) == 2:
488                          if not isinstance(group, ClassGroupRange):                          if not isinstance(group, ClassGroupRange):
489                              ngroup = ClassGroupRange(prop = props)                              ngroup = ClassGroupRange(prop = props)
490                                changed = True
491                          ngroup.SetRange(dataInfo[0], dataInfo[1])                          ngroup.SetRange(dataInfo[0], dataInfo[1])
492                      else:                      else:
493                          assert(False)                          assert(False)
494                            pass
495    
496                      ngroup.SetLabel(group.GetLabel())                      if changed:
497                            ngroup.SetLabel(group.GetLabel())
498                      self.__SetRow(row, ngroup)                          self.SetClassGroup(row, ngroup)
499            else:
500                      mod = True              assert(False) # shouldn't be here
501                pass
   
         elif col == COL_LABEL:  
             group.SetLabel(value)  
             mod = True  
502    
503          if mod:          if mod:
504              self.__Modified()              self.__Modified()
505              self.GetView().Refresh()              self.GetView().Refresh()
506    
# Line 495  class ClassTable(wxPyGridTableBase): Line 511  class ClassTable(wxPyGridTableBase):
511          #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)          #attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter)
512    
513          if col == COL_SYMBOL:          if col == COL_SYMBOL:
514                # we need to create a new renderer each time, because
515                # SetRenderer takes control of the parameter
516              attr.SetRenderer(ClassRenderer(self.shapeType))              attr.SetRenderer(ClassRenderer(self.shapeType))
517              attr.SetReadOnly()              attr.SetReadOnly()
518    
# Line 503  class ClassTable(wxPyGridTableBase): Line 521  class ClassTable(wxPyGridTableBase):
521      def GetClassGroup(self, row):      def GetClassGroup(self, row):
522          """Return the ClassGroup object representing row 'row'."""          """Return the ClassGroup object representing row 'row'."""
523    
524          return self.GetValueAsCustom(row, COL_SYMBOL, None)          return self.tdata[row] # self.GetValueAsCustom(row, COL_SYMBOL, None)
525    
526      def SetClassGroup(self, row, group):      def SetClassGroup(self, row, group):
527          self.SetValueAsCustom(row, COL_SYMBOL, None, group)          self.__SetRow(row, group)
528            self.GetView().Refresh()
529    
530      def __Modified(self, mod = True):      def __Modified(self, mod = True):
531          """Set the modified flag."""          """Adjust the modified flag.
532          self.modified = mod  
533            mod -- if -1 set the modified flag to False, otherwise perform
534                   an 'or' operation with the current value of the flag and
535                   'mod'
536            """
537    
538            if mod == -1:
539                self.modified = False
540            else:
541                self.modified = mod or self.modified
542    
543      def IsModified(self):      def IsModified(self):
544          """True if this table is considered modified."""          """True if this table is considered modified."""
545          return self.modified          return self.modified
546    
547      def DeleteRows(self, pos, numRows = 1):      def DeleteRows(self, pos, numRows = 1):
548          """Deletes 'numRows' beginning at row 'pos'.          """Deletes 'numRows' beginning at row 'pos'.
549    
550          The table is considered modified after this operation.          The row representing the default group is not removed.
551    
552            The table is considered modified if any rows are removed.
553          """          """
554    
555          assert(pos >= 0)          assert(pos >= 0)
556          old_len = len(self.tdata)          old_len = len(self.tdata)
557          for row in range(pos, pos - numRows, -1):          for row in range(pos, pos - numRows, -1):
558              group = self.GetValueAsCustom(row, COL_SYMBOL, None)              group = self.GetClassGroup(row)
559              if not isinstance(group, ClassGroupDefault):              if not isinstance(group, ClassGroupDefault):
560                  self.tdata.pop(row)                  self.tdata.pop(row)
561                  self.__Modified()                  self.__Modified()
# Line 534  class ClassTable(wxPyGridTableBase): Line 564  class ClassTable(wxPyGridTableBase):
564              self.__NotifyRowChanges(old_len, len(self.tdata))              self.__NotifyRowChanges(old_len, len(self.tdata))
565    
566      def AppendRows(self, numRows = 1):      def AppendRows(self, numRows = 1):
567          """Append 'numRows' empty rows to the end of the table."""          """Append 'numRows' empty rows to the end of the table.
568    
569            The table is considered modified if any rows are appended.
570            """
571    
572          old_len = len(self.tdata)          old_len = len(self.tdata)
573          for i in range(numRows):          for i in range(numRows):
574              np = ClassGroupSingleton()              np = ClassGroupSingleton()
575              self.__SetRow(-1, np)              self.__SetRow(-1, np)
             #self.tdata.append([np, np.GetValue(), np.GetLabel()])  
             self.__Modified()  
576    
577          if self.IsModified():          if self.IsModified():
578              self.__NotifyRowChanges(old_len, len(self.tdata))              self.__NotifyRowChanges(old_len, len(self.tdata))
579    
580    
581  class Classifier(wxDialog):  class Classifier(NonModalDialog):
582            
583      def __init__(self, parent, layer):      def __init__(self, parent, interactor, name, layer):
584          wxDialog.__init__(self, parent, -1, _("Classify"),          NonModalDialog.__init__(self, parent, interactor, name,
585                            style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)                                  _("Classifier: %s") % layer.Title())
   
586    
587          self.layer = layer          self.layer = layer
588    
589            self.originalClass = self.layer.GetClassification()
590            field = self.originalClass.GetField()
591            fieldType = self.originalClass.GetFieldType()
592    
593          topBox = wxBoxSizer(wxVERTICAL)          topBox = wxBoxSizer(wxVERTICAL)
594    
595          topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()),          #topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()),
596              0, wxALIGN_LEFT | wxALL, 4)              #0, wxALIGN_LEFT | wxALL, 4)
597          topBox.Add(wxStaticText(self, -1, _("Type: %s") % layer.ShapeType()),          topBox.Add(wxStaticText(self, -1,
598                                    _("Layer Type: %s") % layer.ShapeType()),
599              0, wxALIGN_LEFT | wxALL, 4)              0, wxALIGN_LEFT | wxALL, 4)
600    
         propertyBox = wxBoxSizer(wxHORIZONTAL)  
         propertyBox.Add(wxStaticText(self, -1, _("Field: ")),  
             0, wxALIGN_CENTER | wxALL, 4)  
601    
602            #
603            # make field combo box
604            #
605          self.fields = wxComboBox(self, ID_PROPERTY_SELECT, "",          self.fields = wxComboBox(self, ID_PROPERTY_SELECT, "",
606                                       style = wxCB_READONLY)                                       style = wxCB_READONLY)
607    
# Line 574  class Classifier(wxDialog): Line 609  class Classifier(wxDialog):
609          # just assume the first field in case one hasn't been          # just assume the first field in case one hasn't been
610          # specified in the file.          # specified in the file.
611          self.__cur_field = 0          self.__cur_field = 0
         clazz = layer.GetClassification()  
         field = clazz.GetField()  
612    
613          self.fields.Append("<None>")          self.fields.Append("<None>")
614          self.fields.SetClientData(0, None)          self.fields.SetClientData(0, None)
# Line 586  class Classifier(wxDialog): Line 619  class Classifier(wxDialog):
619    
620              if name == field:              if name == field:
621                  self.__cur_field = i + 1                  self.__cur_field = i + 1
622                  self.fields.SetClientData(i + 1, clazz)                  self.fields.SetClientData(i + 1, self.originalClass)
623              else:              else:
624                  self.fields.SetClientData(i + 1, None)                  self.fields.SetClientData(i + 1, None)
625    
626          self.fields.SetSelection(self.__cur_field)          self.fields.SetSelection(self.__cur_field)
627    
628            #
629            #
630            #
631    
632            self.fieldTypeText = wxStaticText(self, -1, "")
633            self.__SetFieldTypeText(self.__cur_field)
634    
635            topBox.Add(self.fieldTypeText, 0, wxALIGN_LEFT | wxALL, 4)
636            #self.fieldTypeText.SetLabel("asdfadsfs")
637    
638            propertyBox = wxBoxSizer(wxHORIZONTAL)
639            propertyBox.Add(wxStaticText(self, -1, _("Field: ")),
640                0, wxALIGN_CENTER | wxALL, 4)
641          propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)          propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)
642          EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)          EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)
643    
# Line 602  class Classifier(wxDialog): Line 648  class Classifier(wxDialog):
648          #          #
649    
650          controlBox = wxBoxSizer(wxHORIZONTAL)          controlBox = wxBoxSizer(wxHORIZONTAL)
         self.classGrid = ClassGrid(self)  
651    
652            self.classGrid = ClassGrid(self)
653          self.__SetGridTable(self.__cur_field)          self.__SetGridTable(self.__cur_field)
654    
655          controlBox.Add(self.classGrid, 1, wxGROW, 0)          controlBox.Add(self.classGrid, 1, wxGROW, 0)
656    
657          controlButtonBox = wxBoxSizer(wxVERTICAL)          controlButtonBox = wxBoxSizer(wxVERTICAL)
         controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD,  
             _("Add")), 0, wxGROW | wxALL, 4)  
         controlButtonBox.Add(wxButton(self, ID_CLASSIFY_GENRANGE,  
             _("Generate Ranges")), 0, wxGROW | wxALL, 4)  
   
         controlButtonBox.Add(wxButton(self, ID_CLASSIFY_MOVEUP,  
             _("Move Up")), 0, wxGROW | wxALL, 4)  
         controlButtonBox.Add(wxButton(self, ID_CLASSIFY_MOVEDOWN,  
             _("Move Down")), 0, wxGROW | wxALL, 4)  
658    
659          controlButtonBox.Add(wxButton(self, ID_CLASSIFY_REMOVE,          #
660              _("Remove")), 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)          # Control buttons:
661            #
662            self.controlButtons = []
663    
664            button = wxButton(self, ID_CLASSIFY_ADD, _("Add"))
665            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
666            self.controlButtons.append(button)
667    
668            #button = wxButton(self, ID_CLASSIFY_GENRANGE, _("Generate Ranges"))
669            #controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
670            #self.controlButtons.append(button)
671    
672            button = wxButton(self, ID_CLASSIFY_MOVEUP, _("Move Up"))
673            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
674            self.controlButtons.append(button)
675    
676            button = wxButton(self, ID_CLASSIFY_MOVEDOWN, _("Move Down"))
677            controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)
678            self.controlButtons.append(button)
679    
680            controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
681    
682            button = wxButton(self, ID_CLASSIFY_REMOVE, _("Remove"))
683            controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)
684            self.controlButtons.append(button)
685    
686          controlBox.Add(controlButtonBox, 0, wxGROW, 10)          controlBox.Add(controlButtonBox, 0, wxGROW, 10)
687          topBox.Add(controlBox, 1, wxGROW, 10)          topBox.Add(controlBox, 1, wxGROW, 10)
# Line 631  class Classifier(wxDialog): Line 692  class Classifier(wxDialog):
692          EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)          EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)
693          EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)          EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)
694    
         #  
         # Control buttons:  
         #  
695          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
696          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),
697                        0, wxALL, 4)                        0, wxALL, 4)
698            buttonBox.Add(60, 20, 0, wxALL, 4)
699            buttonBox.Add(wxButton(self, ID_CLASSIFY_APPLY, _("Apply")),
700                          0, wxALL, 4)
701            buttonBox.Add(60, 20, 0, wxALL, 4)
702          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),
703                        0, wxALL, 4)                        0, wxALL, 4)
704          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)
705    
706          EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK)          EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK)
707            EVT_BUTTON(self, ID_CLASSIFY_APPLY, self._OnApply)
708          EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self._OnCancel)          EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self._OnCancel)
709    
   
   
710          self.SetAutoLayout(true)          self.SetAutoLayout(true)
711          self.SetSizer(topBox)          self.SetSizer(topBox)
712          topBox.Fit(self)          topBox.Fit(self)
713          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
714    
715    
716      def __BuildClassification(self, fieldIndex):      def __BuildClassification(self, fieldIndex):
717    
718          clazz = Classification()          clazz = Classification()
# Line 680  class Classifier(wxDialog): Line 742  class Classifier(wxDialog):
742              clazz = Classification()              clazz = Classification()
743              clazz.SetDefaultGroup(              clazz.SetDefaultGroup(
744                  ClassGroupDefault(                  ClassGroupDefault(
745                      self.layer.GetClassification().GetDefaultGroup().GetProperties()))                      self.layer.GetClassification().
746                                   GetDefaultGroup().GetProperties()))
747    
748              fieldName = self.fields.GetString(fieldIndex)              fieldName = self.fields.GetString(fieldIndex)
749              fieldType = self.layer.GetFieldType(fieldName)              fieldType = self.layer.GetFieldType(fieldName)
# Line 688  class Classifier(wxDialog): Line 751  class Classifier(wxDialog):
751                                    
752          self.classGrid.CreateTable(clazz, self.layer.ShapeType())          self.classGrid.CreateTable(clazz, self.layer.ShapeType())
753    
754        def __SetFieldTypeText(self, fieldIndex):
755            fieldName = self.fields.GetString(fieldIndex)
756            fieldType = self.layer.GetFieldType(fieldName)
757    
758            if fieldType is None:
759                text = "None"
760            elif fieldType == FIELDTYPE_STRING:
761                text = "Text"
762            elif fieldType == FIELDTYPE_INT:
763                text = "Integer"
764            elif fieldType == FIELDTYPE_DOUBLE:
765                text = "Decimal" # Rational?
766            else:
767                assert(False)
768                text = "UNKNOWN"
769    
770            self.fieldTypeText.SetLabel(_("Field Type: %s") % text)
771    
772      def _OnFieldSelect(self, event):      def _OnFieldSelect(self, event):
773          clazz = self.__BuildClassification(self.__cur_field)          clazz = self.__BuildClassification(self.__cur_field)
774          self.fields.SetClientData(self.__cur_field, clazz)          self.fields.SetClientData(self.__cur_field, clazz)
# Line 695  class Classifier(wxDialog): Line 776  class Classifier(wxDialog):
776          self.__cur_field = self.fields.GetSelection()          self.__cur_field = self.fields.GetSelection()
777          self.__SetGridTable(self.__cur_field)          self.__SetGridTable(self.__cur_field)
778    
779      def _OnOK(self, event):          enabled = self.__cur_field != 0
780    
781            for b in self.controlButtons:
782                b.Enable(enabled)
783    
784            self.__SetFieldTypeText(self.__cur_field)
785    
786    
787        def _OnApply(self, event):
788          """Put the data from the table into a new Classification and hand          """Put the data from the table into a new Classification and hand
789             it to the layer.             it to the layer.
790          """          """
# Line 709  class Classifier(wxDialog): Line 798  class Classifier(wxDialog):
798          if clazz is None or self.classGrid.GetTable().IsModified():          if clazz is None or self.classGrid.GetTable().IsModified():
799              clazz = self.__BuildClassification(self.__cur_field)              clazz = self.__BuildClassification(self.__cur_field)
800    
         clazz.SetLayer(self.layer)  
   
801          self.layer.SetClassification(clazz)          self.layer.SetClassification(clazz)
802    
803          self.EndModal(wxID_OK)      def _OnOK(self, event):
804            self._OnApply(event)
805            self.OnClose(event)
806    
807      def _OnCancel(self, event):      def _OnCancel(self, event):
808          """Do nothing. The layer's current classification stays the same."""          """The layer's current classification stays the same."""
809          self.EndModal(wxID_CANCEL)          self.layer.SetClassification(self.originalClass)
810            self.OnClose(event)
811    
812      def _OnAdd(self, event):      def _OnAdd(self, event):
813          self.classGrid.AppendRows()          self.classGrid.AppendRows()
# Line 763  ID_SELPROP_SPINCTRL = 4002 Line 853  ID_SELPROP_SPINCTRL = 4002
853  ID_SELPROP_PREVIEW = 4003  ID_SELPROP_PREVIEW = 4003
854  ID_SELPROP_STROKECLR = 4004  ID_SELPROP_STROKECLR = 4004
855  ID_SELPROP_FILLCLR = 4005  ID_SELPROP_FILLCLR = 4005
856    ID_SELPROP_STROKECLRTRANS = 4006
857    ID_SELPROP_FILLCLRTRANS = 4007
858    
859  class SelectPropertiesDialog(wxDialog):  class SelectPropertiesDialog(wxDialog):
860    
# Line 788  class SelectPropertiesDialog(wxDialog): Line 880  class SelectPropertiesDialog(wxDialog):
880    
881          # control box          # control box
882          ctrlBox = wxBoxSizer(wxVERTICAL)          ctrlBox = wxBoxSizer(wxVERTICAL)
883          ctrlBox.Add(  
884            lineColorBox = wxBoxSizer(wxHORIZONTAL)
885            lineColorBox.Add(
886              wxButton(self, ID_SELPROP_STROKECLR, "Change Line Color"),              wxButton(self, ID_SELPROP_STROKECLR, "Change Line Color"),
887              0, wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)              1, wxALL | wxGROW, 4)
888          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)
889    
890            lineColorBox.Add(
891                wxButton(self, ID_SELPROP_STROKECLRTRANS, "Transparent"),
892                1, wxALL | wxGROW, 4)
893            EVT_BUTTON(self, ID_SELPROP_STROKECLRTRANS,
894                       self._OnChangeLineColorTrans)
895    
896            ctrlBox.Add(lineColorBox, 0,
897                        wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)
898    
899          if shapeType != SHAPETYPE_ARC:          if shapeType != SHAPETYPE_ARC:
900              ctrlBox.Add(              fillColorBox = wxBoxSizer(wxHORIZONTAL)
901                fillColorBox.Add(
902                  wxButton(self, ID_SELPROP_FILLCLR, "Change Fill Color"),                  wxButton(self, ID_SELPROP_FILLCLR, "Change Fill Color"),
903                  0, wxALIGN_LEFT | wxALL | wxGROW, 4)                  1, wxALL | wxGROW, 4)
904              EVT_BUTTON(self, ID_SELPROP_FILLCLR, self._OnChangeFillColor)              EVT_BUTTON(self, ID_SELPROP_FILLCLR, self._OnChangeFillColor)
905                fillColorBox.Add(
906                    wxButton(self, ID_SELPROP_FILLCLRTRANS, "Transparent"),
907                    1, wxALL | wxGROW, 4)
908                EVT_BUTTON(self, ID_SELPROP_FILLCLRTRANS,
909                           self._OnChangeFillColorTrans)
910                ctrlBox.Add(fillColorBox, 0,
911                            wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)
912    
913          spinBox = wxBoxSizer(wxHORIZONTAL)          spinBox = wxBoxSizer(wxHORIZONTAL)
914          spinBox.Add(wxStaticText(self, -1, _("Line Width: ")),          spinBox.Add(wxStaticText(self, -1, _("Line Width: ")),
# Line 815  class SelectPropertiesDialog(wxDialog): Line 926  class SelectPropertiesDialog(wxDialog):
926          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)
927          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)
928    
   
929          #          #
930          # Control buttons:          # Control buttons:
931          #          #
932          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
933          buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),          buttonBox.Add(wxButton(self, ID_SELPROP_OK, _("OK")),
934                        0, wxALL, 4)                        0, wxALL, 4)
935          buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, ID_SELPROP_CANCEL, _("Cancel")),
936                        0, wxALL, 4)                        0, wxALL, 4)
937          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)
938                                                                                                                                                                    
# Line 861  class SelectPropertiesDialog(wxDialog): Line 971  class SelectPropertiesDialog(wxDialog):
971              self.prop.SetLineColor(clr)              self.prop.SetLineColor(clr)
972          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
973    
974        def _OnChangeLineColorTrans(self, event):
975            self.prop.SetLineColor(Color.None)
976            self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
977            
978      def _OnChangeFillColor(self, event):      def _OnChangeFillColor(self, event):
979          clr = self.__GetColor(self.prop.GetFill())          clr = self.__GetColor(self.prop.GetFill())
980          if clr is not None:          if clr is not None:
981              self.prop.SetFill(clr)              self.prop.SetFill(clr)
982          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
983    
984        def _OnChangeFillColorTrans(self, event):
985            self.prop.SetFill(Color.None)
986            self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer
987    
988      def GetClassGroupProperties(self):      def GetClassGroupProperties(self):
989          return self.prop          return self.prop
990    
# Line 941  class ClassRenderer(wxPyGridCellRenderer Line 1059  class ClassRenderer(wxPyGridCellRenderer
1059          self.previewer = ClassDataPreviewer(None, None, shapeType)          self.previewer = ClassDataPreviewer(None, None, shapeType)
1060    
1061      def Draw(self, grid, attr, dc, rect, row, col, isSelected):      def Draw(self, grid, attr, dc, rect, row, col, isSelected):
1062          data = grid.GetTable().GetValueAsCustom(row, col, None)          data = grid.GetTable().GetClassGroup(row)
1063    
1064          dc.SetClippingRegion(rect.GetX(), rect.GetY(),          dc.SetClippingRegion(rect.GetX(), rect.GetY(),
1065                               rect.GetWidth(), rect.GetHeight())                               rect.GetWidth(), rect.GetHeight())
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