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

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revision 878 by jonathan, Fri May 9 16:32:31 2003 UTC revision 1464 by bh, Fri Jul 18 18:20:40 2003 UTC
# Line 20  from wxPython.grid import * Line 20  from wxPython.grid import *
20  from Thuban import _  from Thuban import _
21  from Thuban.UI.common import Color2wxColour, wxColour2Color  from Thuban.UI.common import Color2wxColour, wxColour2Color
22    
23    from Thuban.Model.messages import MAP_LAYERS_REMOVED, LAYER_SHAPESTORE_REPLACED
24  from Thuban.Model.range import Range  from Thuban.Model.range import Range
25  from Thuban.Model.classification import \  from Thuban.Model.classification import \
26      Classification, ClassGroupDefault, \      Classification, ClassGroupDefault, \
27      ClassGroupSingleton, ClassGroupRange, ClassGroupMap, \      ClassGroupSingleton, ClassGroupRange, ClassGroupMap, \
28      ClassGroupProperties      ClassGroupProperties
29    
30  from Thuban.Model.color import Color  from Thuban.Model.color import Transparent
31    
32  from Thuban.Model.layer import Layer, \  from Thuban.Model.layer import Layer, RasterLayer, \
33      SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT      SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT
34    
35  from Thuban.UI.classgen import ClassGenDialog, ClassGenerator  from Thuban.UI.classgen import ClassGenDialog
36    
37  from dialogs import NonModalDialog  from dialogs import NonModalNonParentDialog
38    from messages import MAP_REPLACED
39    
40  ID_CLASS_TABLE = 40011  ID_CLASS_TABLE = 40011
41    
# Line 83  class ClassGrid(wxGrid): Line 85  class ClassGrid(wxGrid):
85          #print "GetCellAttr ", row, col          #print "GetCellAttr ", row, col
86          #wxGrid.GetCellAttr(self, row, col)          #wxGrid.GetCellAttr(self, row, col)
87    
88      def CreateTable(self, clazz, shapeType, group = None):      def CreateTable(self, clazz, fieldType, shapeType, group = None):
89    
90          assert isinstance(clazz, Classification)          assert isinstance(clazz, Classification)
91    
# Line 103  class ClassGrid(wxGrid): Line 105  class ClassGrid(wxGrid):
105          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(wxGrid.wxGridSelectRows)
106          self.ClearSelection()          self.ClearSelection()
107    
108          table.Reset(clazz, shapeType, group)          table.Reset(clazz, fieldType, shapeType, group)
109    
110      def GetCurrentSelection(self):      def GetCurrentSelection(self):
111          """Return the currently highlighted rows as an increasing list          """Return the currently highlighted rows as an increasing list
# Line 257  class ClassTable(wxPyGridTableBase): Line 259  class ClassTable(wxPyGridTableBase):
259    
260    
261      def __init__(self, view = None):      def __init__(self, view = None):
     #def __init__(self, clazz, shapeType, view = None):  
262          """Constructor.          """Constructor.
263    
264          shapeType -- the type of shape that the layer uses          shapeType -- the type of shape that the layer uses
# Line 274  class ClassTable(wxPyGridTableBase): Line 275  class ClassTable(wxPyGridTableBase):
275    
276          self.SetView(view)          self.SetView(view)
277    
278      def Reset(self, clazz, shapeType, group = None):      def Reset(self, clazz, fieldType, shapeType, group = None):
279          """Reset the table with the given data.          """Reset the table with the given data.
280    
281          This is necessary because wxWindows does not allow a grid's          This is necessary because wxWindows does not allow a grid's
# Line 292  class ClassTable(wxPyGridTableBase): Line 293  class ClassTable(wxPyGridTableBase):
293    
294          self.GetView().BeginBatch()          self.GetView().BeginBatch()
295    
296          self.fieldType = clazz.GetFieldType()          self.fieldType = fieldType
297          self.shapeType = shapeType          self.shapeType = shapeType
298    
299          self.SetClassification(clazz, group)          self.SetClassification(clazz, group)
# Line 670  EB_LAYER_TITLE = 0 Line 671  EB_LAYER_TITLE = 0
671  EB_SELECT_FIELD = 1  EB_SELECT_FIELD = 1
672  EB_GEN_CLASS = 2  EB_GEN_CLASS = 2
673    
674  class Classifier(NonModalDialog):  class Classifier(NonModalNonParentDialog):
675    
676      type2string = {None:             _("None"),      type2string = {None:             _("None"),
677                     FIELDTYPE_STRING: _("Text"),                     FIELDTYPE_STRING: _("Text"),
678                     FIELDTYPE_INT:    _("Integer"),                     FIELDTYPE_INT:    _("Integer"),
679                     FIELDTYPE_DOUBLE: _("Decimal")}                     FIELDTYPE_DOUBLE: _("Decimal")}
680    
681      def __init__(self, parent, name, layer, group = None):      def __init__(self, parent, name, map, layer, group = None):
682          NonModalDialog.__init__(self, parent, name, "")          NonModalNonParentDialog.__init__(self, parent, name, "")
683    
684          self.__SetTitle(layer.Title())          self.__SetTitle(layer.Title())
685    
686            self.parent.Subscribe(MAP_REPLACED, self.map_replaced)
687          self.layer = layer          self.layer = layer
688            self.map = map
689    
690          self.originalClass = self.layer.GetClassification()          self.map.Subscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
691          field = self.originalClass.GetField()          self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED,
692          fieldType = self.originalClass.GetFieldType()                               self.layer_shapestore_replaced)
693    
694          self.genDlg = None          self.genDlg = None
695    
# Line 697  class Classifier(NonModalDialog): Line 700  class Classifier(NonModalDialog):
700          panel = wxPanel(self, -1)          panel = wxPanel(self, -1)
701    
702          text_title = wxTextCtrl(panel, ID_PROPERTY_TITLE, layer.Title())          text_title = wxTextCtrl(panel, ID_PROPERTY_TITLE, layer.Title())
703          #          self.fieldTypeText = wxStaticText(panel, -1, "")
         # make field choice box  
         #  
         self.fields = wxChoice(panel, ID_PROPERTY_SELECT,)  
   
         self.num_cols = layer.table.NumColumns()  
         # just assume the first field in case one hasn't been  
         # specified in the file.  
         self.__cur_field = 0  
   
         self.fields.Append("<None>")  
704    
705          if self.originalClass.GetFieldType() is None:          if layer.HasClassification():
706              self.fields.SetClientData(0, copy.deepcopy(self.originalClass))              self.originalClass = self.layer.GetClassification()
707          else:              self.originalClassField = self.layer.GetClassificationColumn()
708              self.fields.SetClientData(0, None)              field = self.originalClassField
709                fieldType = self.layer.GetFieldType(field)
710    
711          for i in range(self.num_cols):              table = layer.ShapeStore().Table()
712              name = layer.table.Column(i).name              #
713              self.fields.Append(name)              # make field choice box
714                #
715              if name == field:              self.fields = wxChoice(panel, ID_PROPERTY_SELECT,)
                 self.__cur_field = i + 1  
                 self.fields.SetClientData(i + 1,  
                                           copy.deepcopy(self.originalClass))  
             else:  
                 self.fields.SetClientData(i + 1, None)  
716    
717                self.num_cols = table.NumColumns()
718                # just assume the first field in case one hasn't been
719                # specified in the file.
720                self.__cur_field = 0
721    
722          self.fieldTypeText = wxStaticText(panel, -1, "")              self.fields.Append("<None>")
723    
724          button_gen = wxButton(panel, ID_PROPERTY_GENCLASS, _("Generate Class"))              if fieldType is None:
725                    self.fields.SetClientData(0, copy.deepcopy(self.originalClass))
726                else:
727                    self.fields.SetClientData(0, None)
728    
729          button_add = wxButton(panel, ID_PROPERTY_ADD, _("Add"))              for i in range(self.num_cols):
730          button_moveup = wxButton(panel, ID_PROPERTY_MOVEUP, _("Move Up"))                  name = table.Column(i).name
731          button_movedown = wxButton(panel, ID_PROPERTY_MOVEDOWN, _("Move Down"))                  self.fields.Append(name)
732          button_edit = wxButton(panel, ID_PROPERTY_EDITSYM, _("Edit Symbol"))  
733          button_remove = wxButton(panel, ID_PROPERTY_REMOVE, _("Remove"))                  if name == field:
734                        self.__cur_field = i + 1
735                        self.fields.SetClientData(i + 1,
736                                                  copy.deepcopy(self.originalClass))
737                    else:
738                        self.fields.SetClientData(i + 1, None)
739    
740                button_gen = wxButton(panel, ID_PROPERTY_GENCLASS,
741                    _("Generate Class"))
742                button_add = wxButton(panel, ID_PROPERTY_ADD,
743                    _("Add"))
744                button_moveup = wxButton(panel, ID_PROPERTY_MOVEUP,
745                    _("Move Up"))
746                button_movedown = wxButton(panel, ID_PROPERTY_MOVEDOWN,
747                    _("Move Down"))
748                button_edit = wxButton(panel, ID_PROPERTY_EDITSYM,
749                    _("Edit Symbol"))
750                button_remove = wxButton(panel, ID_PROPERTY_REMOVE,
751                    _("Remove"))
752    
753                self.classGrid = ClassGrid(panel, self)
754    
755                # calling __SelectField after creating the classGrid fills in the
756                # grid with the correct information
757                self.fields.SetSelection(self.__cur_field)
758                self.__SelectField(self.__cur_field, group = group)
759    
760          button_try = wxButton(panel, ID_PROPERTY_TRY, _("Try"))          button_try = wxButton(self, ID_PROPERTY_TRY, _("Try"))
761          button_revert = wxButton(panel, ID_PROPERTY_REVERT, _("Revert"))          button_revert = wxButton(self, ID_PROPERTY_REVERT, _("Revert"))
762          button_ok = wxButton(panel, wxID_OK, _("OK"))          button_ok = wxButton(self, wxID_OK, _("OK"))
763            button_close = wxButton(self, wxID_CANCEL, _("Close"))
764          button_ok.SetDefault()          button_ok.SetDefault()
         button_close = wxButton(panel, wxID_CANCEL, _("Close"))  
   
         self.classGrid = ClassGrid(panel, self)  
   
         # calling __SelectField after creating the classGrid fills in the  
         # grid with the correct information  
         self.fields.SetSelection(self.__cur_field)  
         self.__SelectField(self.__cur_field, group = group)  
765    
766          ############################          ############################
767          # Layout the controls          # Layout the controls
# Line 764  class Classifier(NonModalDialog): Line 777  class Classifier(NonModalDialog):
777    
778          panelBox.Add(sizer, 0, wxGROW, 4)          panelBox.Add(sizer, 0, wxGROW, 4)
779    
780          panelBox.Add(wxStaticText(panel, -1,          if isinstance(layer, RasterLayer):
781                                  _("Type: %s") % layer.ShapeType()),              type = "Image"
782            else:
783                type = layer.ShapeType()
784    
785            panelBox.Add(wxStaticText(panel, -1, _("Type: %s") % type),
786              0, wxALIGN_LEFT | wxALL, 4)              0, wxALIGN_LEFT | wxALL, 4)
787    
788          classBox = wxStaticBoxSizer(          if layer.HasClassification():
                     wxStaticBox(panel, -1, _("Classification")), wxVERTICAL)  
789    
790                classBox = wxStaticBoxSizer(
791                            wxStaticBox(panel, -1, _("Classification")), wxVERTICAL)
792    
         sizer = wxBoxSizer(wxHORIZONTAL)  
         sizer.Add(wxStaticText(panel, ID_PROPERTY_FIELDTEXT, _("Field: ")),  
             0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)  
         sizer.Add(self.fields, 1, wxGROW | wxALL, 4)  
   
         classBox.Add(sizer, 0, wxGROW, 4)  
   
         classBox.Add(self.fieldTypeText, 0,  
                      wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)  
   
         controlBox = wxBoxSizer(wxHORIZONTAL)  
         controlButtonBox = wxBoxSizer(wxVERTICAL)  
   
         controlButtonBox.Add(button_gen, 0, wxGROW|wxALL, 4)  
         controlButtonBox.Add(button_add, 0, wxGROW|wxALL, 4)  
         controlButtonBox.Add(button_moveup, 0, wxGROW|wxALL, 4)  
         controlButtonBox.Add(button_movedown, 0, wxGROW|wxALL, 4)  
         controlButtonBox.Add(button_edit, 0, wxGROW|wxALL, 4)  
         controlButtonBox.Add(60, 20, 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)  
         controlButtonBox.Add(button_remove, 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)  
793    
794          controlBox.Add(self.classGrid, 1, wxGROW, 0)              sizer = wxBoxSizer(wxHORIZONTAL)
795          controlBox.Add(controlButtonBox, 0, wxGROW, 10)              sizer.Add(wxStaticText(panel, ID_PROPERTY_FIELDTEXT, _("Field: ")),
796                    0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
797                sizer.Add(self.fields, 1, wxGROW | wxALL, 4)
798    
799                classBox.Add(sizer, 0, wxGROW, 4)
800    
801                classBox.Add(self.fieldTypeText, 0,
802                            wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)
803    
804          classBox.Add(controlBox, 1, wxGROW, 10)              controlBox = wxBoxSizer(wxHORIZONTAL)
805          panelBox.Add(classBox, 1, wxGROW, 0)              controlButtonBox = wxBoxSizer(wxVERTICAL)
806    
807                controlButtonBox.Add(button_gen, 0, wxGROW|wxALL, 4)
808                controlButtonBox.Add(button_add, 0, wxGROW|wxALL, 4)
809                controlButtonBox.Add(button_moveup, 0, wxGROW|wxALL, 4)
810                controlButtonBox.Add(button_movedown, 0, wxGROW|wxALL, 4)
811                controlButtonBox.Add(button_edit, 0, wxGROW|wxALL, 4)
812                controlButtonBox.Add(60, 20, 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)
813                controlButtonBox.Add(button_remove, 0,
814                                     wxGROW|wxALL|wxALIGN_BOTTOM, 4)
815    
816                controlBox.Add(self.classGrid, 1, wxGROW, 0)
817                controlBox.Add(controlButtonBox, 0, wxGROW, 10)
818    
819                classBox.Add(controlBox, 1, wxGROW, 10)
820                panelBox.Add(classBox, 1, wxGROW, 0)
821    
822    
823          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
824          buttonBox.Add(button_try, 0, wxALL, 4)          buttonBox.Add(button_try, 0, wxRIGHT|wxEXPAND, 10)
825          buttonBox.Add(60, 20, 0, wxALL, 4)          buttonBox.Add(button_revert, 0, wxRIGHT|wxEXPAND, 10)
826          buttonBox.Add(button_revert, 0, wxALL, 4)          buttonBox.Add(button_ok, 0, wxRIGHT|wxEXPAND, 10)
827          buttonBox.Add(60, 20, 0, wxALL, 4)          buttonBox.Add(button_close, 0, wxRIGHT|wxEXPAND, 10)
         buttonBox.Add(button_ok, 0, wxALL, 4)  
         buttonBox.Add(60, 20, 0, wxALL, 4)  
         buttonBox.Add(button_close, 0, wxALL, 4)  
         panelBox.Add(buttonBox, 0,  
             wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0)  
828    
829          panel.SetAutoLayout(True)          panel.SetAutoLayout(True)
830          panel.SetSizer(panelBox)          panel.SetSizer(panelBox)
# Line 817  class Classifier(NonModalDialog): Line 832  class Classifier(NonModalDialog):
832          panelBox.SetSizeHints(panel)          panelBox.SetSizeHints(panel)
833    
834          topBox.Add(panel, 1, wxGROW | wxALL, 4)          topBox.Add(panel, 1, wxGROW | wxALL, 4)
835            topBox.Add(buttonBox, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10)
836    
837          self.SetAutoLayout(True)          self.SetAutoLayout(True)
838          self.SetSizer(topBox)          self.SetSizer(topBox)
# Line 842  class Classifier(NonModalDialog): Line 858  class Classifier(NonModalDialog):
858    
859          ######################          ######################
860    
861          self.fields.SetFocus()          text_title.SetFocus()
862          self.haveApplied = False          self.haveApplied = False
863    
864        def unsubscribe_messages(self):
865            self.parent.Unsubscribe(MAP_REPLACED, self.map_replaced)
866            self.map.Unsubscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
867            self.layer.Unsubscribe(LAYER_SHAPESTORE_REPLACED,
868                                   self.layer_shapestore_replaced)
869    
870        def map_layers_removed(self, map):
871            if self.layer not in self.map.Layers():
872                self.Close()
873    
874        def layer_shapestore_replaced(self, *args):
875            """Subscribed to the map's LAYER_SHAPESTORE_REPLACED message.
876    
877            Close self.
878            """
879            self.Close()
880    
881        def map_replaced(self, *args):
882            """Subscribed to the mainwindow's MAP_REPLACED message. Close self."""
883            self.Close()
884    
885      def EditSymbol(self, row):      def EditSymbol(self, row):
886          table = self.classGrid.GetTable()          table = self.classGrid.GetTable()
887          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)
888    
889          # get a new ClassGroupProperties object and copy the          # get a new ClassGroupProperties object and copy the
890          # values over to our current object          # values over to our current object
891          propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType())          propDlg = SelectPropertiesDialog(self, prop, self.layer.ShapeType())
892    
893          self.Enable(False)          self.Enable(False)
894          if propDlg.ShowModal() == wxID_OK:          if propDlg.ShowModal() == wxID_OK:
# Line 865  class Classifier(NonModalDialog): Line 902  class Classifier(NonModalDialog):
902          self.fields.SetClientData(self.__cur_field, clazz)          self.fields.SetClientData(self.__cur_field, clazz)
903          self.classGrid.GetTable().SetClassification(clazz)          self.classGrid.GetTable().SetClassification(clazz)
904    
905      def __BuildClassification(self, fieldIndex, copyClass = False):      def __BuildClassification(self, fieldIndex, copyClass=False, force=False):
906    
907  #       numRows = self.classGrid.GetNumberRows()  #       numRows = self.classGrid.GetNumberRows()
908  #       assert numRows > 0  # there should always be a default row  #       assert numRows > 0  # there should always be a default row
909    
 #       clazz = Classification()  
910          if fieldIndex == 0:          if fieldIndex == 0:
911              fieldName = None              fieldName = None
912              fieldType = None              fieldType = None
# Line 878  class Classifier(NonModalDialog): Line 914  class Classifier(NonModalDialog):
914              fieldName = self.fields.GetString(fieldIndex)              fieldName = self.fields.GetString(fieldIndex)
915              fieldType = self.layer.GetFieldType(fieldName)              fieldType = self.layer.GetFieldType(fieldName)
916    
917          clazz = self.classGrid.GetTable().GetClassification()          clazz = self.fields.GetClientData(fieldIndex)
918            if clazz is None or self.classGrid.GetTable().IsModified() or force:
919          if copyClass:              clazz = self.classGrid.GetTable().GetClassification()
920              clazz = copy.deepcopy(clazz)              if copyClass:
921                    clazz = copy.deepcopy(clazz)
         clazz.SetField(fieldName)  
         clazz.SetFieldType(fieldType)  
   
   
 #       table = self.classGrid.GetTable()  
 #       clazz.SetDefaultGroup(table.GetClassGroup(0))  
   
 #       for i in range(1, numRows):  
 #           clazz.AppendGroup(table.GetClassGroup(i))  
922    
923          return clazz          return clazz, fieldName
924    
925      def __SetGridTable(self, fieldIndex, group = None):      def __SetGridTable(self, fieldIndex, group = None):
926    
# Line 906  class Classifier(NonModalDialog): Line 933  class Classifier(NonModalDialog):
933                      self.layer.GetClassification().                      self.layer.GetClassification().
934                                 GetDefaultGroup().GetProperties()))                                 GetDefaultGroup().GetProperties()))
935    
936              fieldName = self.fields.GetString(fieldIndex)          fieldName = self.fields.GetString(fieldIndex)
937              fieldType = self.layer.GetFieldType(fieldName)          fieldType = self.layer.GetFieldType(fieldName)
             clazz.SetFieldType(fieldType)  
938                                    
939          self.classGrid.CreateTable(clazz, self.layer.ShapeType(), group)          self.classGrid.CreateTable(clazz, fieldType,
940                                       self.layer.ShapeType(), group)
941    
942      def __SetFieldTypeText(self, fieldIndex):      def __SetFieldTypeText(self, fieldIndex):
943          fieldName = self.fields.GetString(fieldIndex)          fieldName = self.fields.GetString(fieldIndex)
# Line 930  class Classifier(NonModalDialog): Line 957  class Classifier(NonModalDialog):
957          assert oldIndex >= -1          assert oldIndex >= -1
958    
959          if oldIndex != -1:          if oldIndex != -1:
960              clazz = self.__BuildClassification(oldIndex)              clazz, name = self.__BuildClassification(oldIndex, force = True)
961              self.fields.SetClientData(oldIndex, clazz)              self.fields.SetClientData(oldIndex, clazz)
962    
963          self.__SetGridTable(newIndex, group)          self.__SetGridTable(newIndex, group)
964    
965          self.__EnableButtons(EB_SELECT_FIELD, newIndex != 0)          self.__EnableButtons(EB_SELECT_FIELD)
966    
967          self.__SetFieldTypeText(newIndex)          self.__SetFieldTypeText(newIndex)
968    
# Line 961  class Classifier(NonModalDialog): Line 988  class Classifier(NonModalDialog):
988             it to the layer.             it to the layer.
989          """          """
990    
991          clazz = self.fields.GetClientData(self.__cur_field)          if self.layer.HasClassification():
992                clazz = self.fields.GetClientData(self.__cur_field)
993    
994          #              #
995          # only build the classification if there wasn't one to              # only build the classification if there wasn't one to
996          # to begin with or it has been modified              # to begin with or it has been modified
997          #              #
998          self.classGrid.SaveEditControlValue()              self.classGrid.SaveEditControlValue()
999          if clazz is None or self.classGrid.GetTable().IsModified():              clazz, name = self.__BuildClassification(self.__cur_field, True)
             clazz = self.__BuildClassification(self.__cur_field, True)  
1000    
1001          self.layer.SetClassification(clazz)              self.layer.SetClassificationColumn(name)
1002                self.layer.SetClassification(clazz)
1003    
1004          self.haveApplied = True          self.haveApplied = True
1005    
# Line 980  class Classifier(NonModalDialog): Line 1008  class Classifier(NonModalDialog):
1008          self.Close()          self.Close()
1009    
1010      def OnClose(self, event):      def OnClose(self, event):
1011          NonModalDialog.OnClose(self, event)          self.unsubscribe_messages()
1012            NonModalNonParentDialog.OnClose(self, event)
1013    
1014      def _OnCloseBtn(self, event):      def _OnCloseBtn(self, event):
1015          """Close is similar to Cancel except that any changes that were          """Close is similar to Cancel except that any changes that were
# Line 993  class Classifier(NonModalDialog): Line 1022  class Classifier(NonModalDialog):
1022      def _OnRevert(self, event):      def _OnRevert(self, event):
1023          """The layer's current classification stays the same."""          """The layer's current classification stays the same."""
1024          if self.haveApplied:          if self.haveApplied:
1025                self.layer.SetClassificationColumn(self.originalClassField)
1026              self.layer.SetClassification(self.originalClass)              self.layer.SetClassification(self.originalClass)
1027    
1028          #self.Close()          #self.Close()
# Line 1010  class Classifier(NonModalDialog): Line 1040  class Classifier(NonModalDialog):
1040    
1041          EVT_CLOSE(self.genDlg, self._OnGenDialogClose)          EVT_CLOSE(self.genDlg, self._OnGenDialogClose)
1042    
1043          self.__EnableButtons(EB_GEN_CLASS, False)          self.__EnableButtons(EB_GEN_CLASS)
1044    
1045          self.genDlg.Show()          self.genDlg.Show()
1046    
1047      def _OnGenDialogClose(self, event):      def _OnGenDialogClose(self, event):
1048          self.genDlg.Destroy()          self.genDlg.Destroy()
1049          self.__EnableButtons(EB_GEN_CLASS, True)          self.genDlg = None
1050            self.__EnableButtons(EB_GEN_CLASS)
1051    
1052      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
1053          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
# Line 1054  class Classifier(NonModalDialog): Line 1085  class Classifier(NonModalDialog):
1085          self.layer.SetTitle(obj.GetValue())          self.layer.SetTitle(obj.GetValue())
1086          self.__SetTitle(self.layer.Title())          self.__SetTitle(self.layer.Title())
1087    
1088          self.__EnableButtons(EB_LAYER_TITLE, self.layer.Title() != "")          self.__EnableButtons(EB_LAYER_TITLE)
1089    
1090      def __EnableButtons(self, case, enable):      def __EnableButtons(self, case):
1091    
1092            list = {wxID_OK                 : True,
1093                    wxID_CANCEL             : True,
1094                    ID_PROPERTY_ADD         : True,
1095                    ID_PROPERTY_MOVEUP      : True,
1096                    ID_PROPERTY_MOVEDOWN    : True,
1097                    ID_PROPERTY_REMOVE      : True,
1098                    ID_PROPERTY_SELECT      : True,
1099                    ID_PROPERTY_FIELDTEXT   : True,
1100                    ID_PROPERTY_GENCLASS    : True,
1101                    ID_PROPERTY_EDITSYM     : True}
1102    
1103          if case == EB_LAYER_TITLE:            if case == EB_LAYER_TITLE:  
1104              list = (wxID_OK,              if self.layer.Title() == "":
1105                      wxID_CANCEL)                  list[wxID_OK] = False
1106                    list[wxID_CANCEL] = False
1107    
1108          elif case == EB_SELECT_FIELD:          elif case == EB_SELECT_FIELD:
1109              list = (ID_PROPERTY_GENCLASS,              if self.fields.GetSelection() == 0:
1110                      ID_PROPERTY_ADD,                  list[ID_PROPERTY_GENCLASS] = False
1111                      ID_PROPERTY_MOVEUP,                  list[ID_PROPERTY_ADD] = False
1112                      ID_PROPERTY_MOVEDOWN,                  list[ID_PROPERTY_MOVEUP] = False
1113                      ID_PROPERTY_EDITSYM,                  list[ID_PROPERTY_MOVEDOWN] = False
1114                      ID_PROPERTY_REMOVE)                  list[ID_PROPERTY_REMOVE] = False
1115    
1116          elif case == EB_GEN_CLASS:          elif case == EB_GEN_CLASS:
1117              list = (ID_PROPERTY_SELECT,              if self.genDlg is not None:
1118                      ID_PROPERTY_FIELDTEXT,                  list[ID_PROPERTY_SELECT] = False
1119                      ID_PROPERTY_GENCLASS,                  list[ID_PROPERTY_FIELDTEXT] = False
1120                      ID_PROPERTY_EDITSYM)                  list[ID_PROPERTY_GENCLASS] = False
1121    
1122          for id in list:          for id, enable in list.items():
1123              self.FindWindowById(id).Enable(enable)              win = self.FindWindowById(id)
1124                if win:
1125                    win.Enable(enable)
1126    
1127  ID_SELPROP_SPINCTRL = 4002  ID_SELPROP_SPINCTRL = 4002
1128  ID_SELPROP_PREVIEW = 4003  ID_SELPROP_PREVIEW = 4003
# Line 1166  class SelectPropertiesDialog(wxDialog): Line 1211  class SelectPropertiesDialog(wxDialog):
1211          #          #
1212          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
1213          button_ok = wxButton(self, wxID_OK, _("OK"))          button_ok = wxButton(self, wxID_OK, _("OK"))
1214          button_ok.SetDefault()          buttonBox.Add(button_ok, 0, wxRIGHT|wxEXPAND, 10)
         buttonBox.Add(button_ok, 0, wxALL, 4)  
1215          buttonBox.Add(wxButton(self, wxID_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, wxID_CANCEL, _("Cancel")),
1216                        0, wxALL, 4)                        0, wxRIGHT|wxEXPAND, 10)
1217          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10)
1218    
1219            button_ok.SetDefault()
1220                                                                                                                                                                    
1221          #EVT_BUTTON(self, wxID_OK, self._OnOK)          #EVT_BUTTON(self, wxID_OK, self._OnOK)
1222          #EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)          #EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)
# Line 1192  class SelectPropertiesDialog(wxDialog): Line 1238  class SelectPropertiesDialog(wxDialog):
1238    
1239      def __GetColor(self, cur):      def __GetColor(self, cur):
1240          dialog = wxColourDialog(self)          dialog = wxColourDialog(self)
1241          if cur is not Color.Transparent:          if cur is not Transparent:
1242              dialog.GetColourData().SetColour(Color2wxColour(cur))              dialog.GetColourData().SetColour(Color2wxColour(cur))
1243    
1244          ret = None          ret = None
# Line 1210  class SelectPropertiesDialog(wxDialog): Line 1256  class SelectPropertiesDialog(wxDialog):
1256          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1257    
1258      def _OnChangeLineColorTrans(self, event):      def _OnChangeLineColorTrans(self, event):
1259          self.prop.SetLineColor(Color.Transparent)          self.prop.SetLineColor(Transparent)
1260          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1261                    
1262      def _OnChangeFillColor(self, event):      def _OnChangeFillColor(self, event):
# Line 1220  class SelectPropertiesDialog(wxDialog): Line 1266  class SelectPropertiesDialog(wxDialog):
1266          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1267    
1268      def _OnChangeFillColorTrans(self, event):      def _OnChangeFillColorTrans(self, event):
1269          self.prop.SetFill(Color.Transparent)          self.prop.SetFill(Transparent)
1270          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1271    
1272      def GetClassGroupProperties(self):      def GetClassGroupProperties(self):
# Line 1276  class ClassDataPreviewer: Line 1322  class ClassDataPreviewer:
1322              h = rect.GetHeight()              h = rect.GetHeight()
1323    
1324          stroke = prop.GetLineColor()          stroke = prop.GetLineColor()
1325          if stroke is Color.Transparent:          if stroke is Transparent:
1326              pen = wxTRANSPARENT_PEN              pen = wxTRANSPARENT_PEN
1327          else:          else:
1328              pen = wxPen(Color2wxColour(stroke),              pen = wxPen(Color2wxColour(stroke),
# Line 1284  class ClassDataPreviewer: Line 1330  class ClassDataPreviewer:
1330                          wxSOLID)                          wxSOLID)
1331    
1332          stroke = prop.GetFill()          stroke = prop.GetFill()
1333          if stroke is Color.Transparent:          if stroke is Transparent:
1334              brush = wxTRANSPARENT_BRUSH              brush = wxTRANSPARENT_BRUSH
1335          else:          else:
1336              brush = wxBrush(Color2wxColour(stroke), wxSOLID)              brush = wxBrush(Color2wxColour(stroke), wxSOLID)
# Line 1343  class ClassGroupPropertiesCtrl(wxWindow, Line 1389  class ClassGroupPropertiesCtrl(wxWindow,
1389    
1390          wxWindow.__init__(self, parent, id, size = size, style = style)          wxWindow.__init__(self, parent, id, size = size, style = style)
1391    
1392            self.parent = parent
1393    
1394          self.SetProperties(props)          self.SetProperties(props)
1395          self.SetShapeType(shapeType)          self.SetShapeType(shapeType)
1396          self.AllowEdit(True)          self.AllowEdit(True)
# Line 1386  class ClassGroupPropertiesCtrl(wxWindow, Line 1434  class ClassGroupPropertiesCtrl(wxWindow,
1434      def DoEdit(self):      def DoEdit(self):
1435          if not self.allowEdit: return          if not self.allowEdit: return
1436    
1437          propDlg = SelectPropertiesDialog(NULL,          propDlg = SelectPropertiesDialog(self.parent,
1438                                           self.GetProperties(),                                           self.GetProperties(),
1439                                           self.GetShapeType())                                           self.GetShapeType())
1440    
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