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

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revision 638 by jonathan, Thu Apr 10 14:35:20 2003 UTC revision 1452 by bh, Fri Jul 18 12:57:59 2003 UTC
# Line 18  from wxPython.wx import * Line 18  from wxPython.wx import *
18  from wxPython.grid import *  from wxPython.grid import *
19    
20  from Thuban import _  from Thuban import _
21  from Thuban.common import *  from Thuban.UI.common import Color2wxColour, wxColour2Color
 from Thuban.UI.common import *  
22    
23  from Thuban.Model.classification import *  from Thuban.Model.messages import MAP_LAYERS_REMOVED, LAYER_SHAPESTORE_REPLACED
24    from Thuban.Model.range import Range
25    from Thuban.Model.classification import \
26        Classification, ClassGroupDefault, \
27        ClassGroupSingleton, ClassGroupRange, ClassGroupMap, \
28        ClassGroupProperties
29    
30  from Thuban.Model.color import Color  from Thuban.Model.color import Transparent
31    
32  from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT  from Thuban.Model.layer import Layer, RasterLayer, \
33        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    
 # widget id's  
 ID_PROPERTY_SELECT = 4010  
39  ID_CLASS_TABLE = 40011  ID_CLASS_TABLE = 40011
40    
41    
# 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)          wxGrid.__init__(self, parent, ID_CLASS_TABLE, style = 0)
72    
73          self.classifier = classifier          self.classifier = classifier
74    
# Line 81  class ClassGrid(wxGrid): Line 84  class ClassGrid(wxGrid):
84          #print "GetCellAttr ", row, col          #print "GetCellAttr ", row, col
85          #wxGrid.GetCellAttr(self, row, col)          #wxGrid.GetCellAttr(self, row, col)
86    
87      def CreateTable(self, clazz, shapeType, group = None):      def CreateTable(self, clazz, fieldType, shapeType, group = None):
88    
89          assert isinstance(clazz, Classification)          assert isinstance(clazz, Classification)
90    
91          table = self.GetTable()          table = self.GetTable()
92          if table is None:          if table is None:
93              w = self.GetDefaultColSize() * 3 + self.GetDefaultRowLabelSize()              w = self.GetDefaultColSize() * NUM_COLS \
94              h = self.GetDefaultRowSize() * 4 + self.GetDefaultColLabelSize()                  + self.GetDefaultRowLabelSize()
95                h = self.GetDefaultRowSize() * 4 \
96                    + self.GetDefaultColLabelSize()
97    
98              self.SetDimensions(-1, -1, w, h)              self.SetDimensions(-1, -1, w, h)
99              self.SetSizeHints(w, h, -1, -1)              self.SetSizeHints(w, h, -1, -1)
100              table = ClassTable(self)              table = ClassTable(self)
# Line 98  class ClassGrid(wxGrid): Line 104  class ClassGrid(wxGrid):
104          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(wxGrid.wxGridSelectRows)
105          self.ClearSelection()          self.ClearSelection()
106    
107          table.Reset(clazz, shapeType, group)          table.Reset(clazz, fieldType, shapeType, group)
108    
109      def GetCurrentSelection(self):      def GetCurrentSelection(self):
110          """Return the currently highlighted rows as an increasing list          """Return the currently highlighted rows as an increasing list
# Line 243  class ClassGrid(wxGrid): Line 249  class ClassGrid(wxGrid):
249    
250      def _OnCellResize(self, event):      def _OnCellResize(self, event):
251          self.FitInside()          self.FitInside()
252            event.Skip()
253    
254  class ClassTable(wxPyGridTableBase):  class ClassTable(wxPyGridTableBase):
255      """Represents the underlying data structure for the grid."""      """Represents the underlying data structure for the grid."""
# Line 251  class ClassTable(wxPyGridTableBase): Line 258  class ClassTable(wxPyGridTableBase):
258    
259    
260      def __init__(self, view = None):      def __init__(self, view = None):
     #def __init__(self, clazz, shapeType, view = None):  
261          """Constructor.          """Constructor.
262    
263          shapeType -- the type of shape that the layer uses          shapeType -- the type of shape that the layer uses
# Line 268  class ClassTable(wxPyGridTableBase): Line 274  class ClassTable(wxPyGridTableBase):
274    
275          self.SetView(view)          self.SetView(view)
276    
277      def Reset(self, clazz, shapeType, group = None):      def Reset(self, clazz, fieldType, shapeType, group = None):
278          """Reset the table with the given data.          """Reset the table with the given data.
279    
280          This is necessary because wxWindows does not allow a grid's          This is necessary because wxWindows does not allow a grid's
# Line 286  class ClassTable(wxPyGridTableBase): Line 292  class ClassTable(wxPyGridTableBase):
292    
293          self.GetView().BeginBatch()          self.GetView().BeginBatch()
294    
295          self.fieldType = clazz.GetFieldType()          self.fieldType = fieldType
296          self.shapeType = shapeType          self.shapeType = shapeType
297    
298          self.SetClassification(clazz, group)          self.SetClassification(clazz, group)
# Line 397  class ClassTable(wxPyGridTableBase): Line 403  class ClassTable(wxPyGridTableBase):
403              if isinstance(group, ClassGroupMap):       return _("Map")              if isinstance(group, ClassGroupMap):       return _("Map")
404    
405          assert False # shouldn't get here          assert False # shouldn't get here
406          return _("")          return ""
407    
408      def GetNumberRows(self):      def GetNumberRows(self):
409          """Return the number of rows."""          """Return the number of rows."""
# Line 457  class ClassTable(wxPyGridTableBase): Line 463  class ClassTable(wxPyGridTableBase):
463          elif isinstance(group, ClassGroupSingleton):          elif isinstance(group, ClassGroupSingleton):
464              return group.GetValue()              return group.GetValue()
465          elif isinstance(group, ClassGroupRange):          elif isinstance(group, ClassGroupRange):
466              return _("%s - %s") % (group.GetMin(), group.GetMax())              return group.GetRange()
467    
468          assert(False) # shouldn't get here          assert False # shouldn't get here
469          return None          return None
470    
471      def __ParseInput(self, value):      def __ParseInput(self, value):
472          """Try to determine what kind of input value is          """Try to determine what kind of input value is
473             (string, number, or range)             (string, number, or range)
474    
475          Returns a tuple of length one if there is a single          Returns a tuple (type, data) where type is 0 if data is
476          value, or of length two if it is a range.          a singleton value, or 1 if is a range
477          """          """
478    
479          type = self.fieldType          type = self.fieldType
480    
481          if type == FIELDTYPE_STRING:          if type == FIELDTYPE_STRING:
482              return (value,)              return (0, value)
483          elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE):          elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE):
   
484              if type == FIELDTYPE_INT:              if type == FIELDTYPE_INT:
485                    # the float call allows the user to enter 1.0 for 1
486                  conv = lambda p: int(float(p))                  conv = lambda p: int(float(p))
487              else:              else:
488                  conv = lambda p: p                  conv = float
489    
490              #              #
491              # first try to take the input as a single number              # first try to take the input as a single number
492              # if there's an exception try to break it into              # if there's an exception try to break it into
493              # a range seperated by a '-'. take care to ignore              # a range. if there is an exception here, let it
494              # a leading '-' as that could be for a negative number.              # pass up to the calling function.
             # then try to parse the individual parts. if there  
             # is an exception here, let it pass up to the calling  
             # function.  
495              #              #
496              try:              try:
497                  return (conv(Str2Num(value)),)                  return (0, conv(value))
498              except ValueError:              except ValueError:
499                  i = value.find('-')                  return (1, Range(value))
                 if i == 0:  
                     i = value.find('-', 1)  
   
                 return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:])))  
500    
501          assert False  # shouldn't get here          assert False  # shouldn't get here
502          return (0,)          return (0,None)
               
503    
504      def SetValueAsCustom(self, row, col, typeName, value):      def SetValueAsCustom(self, row, col, typeName, value):
505          """Set the cell specified by 'row' and 'col' to 'value'.          """Set the cell specified by 'row' and 'col' to 'value'.
# Line 515  class ClassTable(wxPyGridTableBase): Line 513  class ClassTable(wxPyGridTableBase):
513          typeName -- unused, but needed to overload wxPyGridTableBase          typeName -- unused, but needed to overload wxPyGridTableBase
514          """          """
515    
516          assert col >= 0 and col < self.GetNumberCols()          assert 0 <= col < self.GetNumberCols()
517          assert row >= 0 and row < self.GetNumberRows()          assert 0 <= row < self.GetNumberRows()
518    
519          if row == 0:          if row == 0:
520              group = self.clazz.GetDefaultGroup()              group = self.clazz.GetDefaultGroup()
# Line 555  class ClassTable(wxPyGridTableBase): Line 553  class ClassTable(wxPyGridTableBase):
553                      # changing the underlying group type if the                      # changing the underlying group type if the
554                      # group was a singleton and a range was entered                      # group was a singleton and a range was entered
555                      #                      #
556                      if len(dataInfo) == 1:                      if dataInfo[0] == 0:
557                          if not isinstance(group, ClassGroupSingleton):                          if not isinstance(group, ClassGroupSingleton):
558                              ngroup = ClassGroupSingleton(prop = props)                              ngroup = ClassGroupSingleton(props = props)
559                              changed = True                              changed = True
560                          ngroup.SetValue(dataInfo[0])                          ngroup.SetValue(dataInfo[1])
561                      elif len(dataInfo) == 2:                      elif dataInfo[0] == 1:
562                          if not isinstance(group, ClassGroupRange):                          if not isinstance(group, ClassGroupRange):
563                              ngroup = ClassGroupRange(prop = props)                              ngroup = ClassGroupRange(props = props)
564                              changed = True                              changed = True
565                          ngroup.SetRange(dataInfo[0], dataInfo[1])                          ngroup.SetRange(dataInfo[1])
566                      else:                      else:
567                          assert False                          assert False
568                          pass                          pass
# Line 649  class ClassTable(wxPyGridTableBase): Line 647  class ClassTable(wxPyGridTableBase):
647              self.__NotifyRowChanges(old_len, self.GetNumberRows())              self.__NotifyRowChanges(old_len, self.GetNumberRows())
648    
649    
650  ID_CLASSIFY_OK = 4001  ID_PROPERTY_REVERT = 4002
651  ID_CLASSIFY_REVERT = 4002  ID_PROPERTY_ADD = 4003
652  ID_CLASSIFY_ADD = 4003  ID_PROPERTY_GENCLASS = 4004
653  ID_CLASSIFY_GENCLASS = 4004  ID_PROPERTY_REMOVE = 4005
654  ID_CLASSIFY_REMOVE = 4005  ID_PROPERTY_MOVEUP = 4006
655  ID_CLASSIFY_MOVEUP = 4006  ID_PROPERTY_MOVEDOWN = 4007
656  ID_CLASSIFY_MOVEDOWN = 4007  ID_PROPERTY_TRY = 4008
657  ID_CLASSIFY_TRY = 4008  ID_PROPERTY_EDITSYM = 4009
658  ID_CLASSIFY_EDITSYM = 4009  ID_PROPERTY_SELECT = 4011
659  ID_CLASSIFY_CLOSE = 4010  ID_PROPERTY_TITLE = 4012
660    ID_PROPERTY_FIELDTEXT = 4013
661    
662  BTN_ADD = 0  BTN_ADD = 0
663  BTN_EDIT = 1  BTN_EDIT = 1
# Line 667  BTN_UP = 3 Line 666  BTN_UP = 3
666  BTN_DOWN = 4  BTN_DOWN = 4
667  BTN_RM = 5  BTN_RM = 5
668    
669  class Classifier(NonModalDialog):  EB_LAYER_TITLE = 0
670    EB_SELECT_FIELD = 1
671    EB_GEN_CLASS = 2
672    
673    class Classifier(NonModalNonParentDialog):
674    
675      type2string = {None:             _("None"),      type2string = {None:             _("None"),
676                     FIELDTYPE_STRING: _("Text"),                     FIELDTYPE_STRING: _("Text"),
677                     FIELDTYPE_INT:    _("Integer"),                     FIELDTYPE_INT:    _("Integer"),
678                     FIELDTYPE_DOUBLE: _("Decimal")}                     FIELDTYPE_DOUBLE: _("Decimal")}
679    
680      def __init__(self, parent, name, layer, group = None):      def __init__(self, parent, name, map, layer, group = None):
681          NonModalDialog.__init__(self, parent, name,          NonModalNonParentDialog.__init__(self, parent, name, "")
                                 _("Classifier: %s") % layer.Title())  
682    
683          panel = wxPanel(self, -1, size=(100, 100))          self.__SetTitle(layer.Title())
684    
685          self.layer = layer          self.layer = layer
686            self.map = map
687    
688          self.originalClass = self.layer.GetClassification()          self.map.Subscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
689          field = self.originalClass.GetField()          self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED,
690          fieldType = self.originalClass.GetFieldType()                               self.layer_shapestore_replaced)
691    
692          self.genDlg = None          self.genDlg = None
693    
694          topBox = wxBoxSizer(wxVERTICAL)          ############################
695          panelBox = wxBoxSizer(wxVERTICAL)          # Create the controls
   
         #panelBox.Add(wxStaticText(panel, -1, _("Layer: %s") % layer.Title()),  
             #0, wxALIGN_LEFT | wxALL, 4)  
         panelBox.Add(wxStaticText(panel, -1,  
                                 _("Layer Type: %s") % layer.ShapeType()),  
             0, wxALIGN_LEFT | wxALL, 4)  
   
   
         #  
         # make field combo box  
696          #          #
         self.fields = wxComboBox(panel, ID_PROPERTY_SELECT, "",  
                                      style = wxCB_READONLY)  
697    
698          self.num_cols = layer.table.field_count()          panel = wxPanel(self, -1)
         # just assume the first field in case one hasn't been  
         # specified in the file.  
         self.__cur_field = 0  
   
         self.fields.Append("<None>")  
         self.fields.SetClientData(0, None)  
   
         for i in range(self.num_cols):  
             type, name, len, decc = layer.table.field_info(i)  
             self.fields.Append(name)  
   
             if name == field:  
                 self.__cur_field = i + 1  
                 self.fields.SetClientData(i + 1,  
                                           copy.deepcopy(self.originalClass))  
             else:  
                 self.fields.SetClientData(i + 1, None)  
699    
700            text_title = wxTextCtrl(panel, ID_PROPERTY_TITLE, layer.Title())
701            self.fieldTypeText = wxStaticText(panel, -1, "")
702    
703          ###########          if layer.HasClassification():
704                self.originalClass = self.layer.GetClassification()
705                self.originalClassField = self.layer.GetClassificationColumn()
706                field = self.originalClassField
707                fieldType = self.layer.GetFieldType(field)
708    
709          self.fieldTypeText = wxStaticText(panel, -1, "")              table = layer.ShapeStore().Table()
710          panelBox.Add(self.fieldTypeText, 0,              #
711                       wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)              # make field choice box
712                #
713                self.fields = wxChoice(panel, ID_PROPERTY_SELECT,)
714    
715          propertyBox = wxBoxSizer(wxHORIZONTAL)              self.num_cols = table.NumColumns()
716          propertyBox.Add(wxStaticText(panel, -1, _("Field: ")),              # just assume the first field in case one hasn't been
717              0, wxALIGN_LEFT | wxALL, 4)              # specified in the file.
718          propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4)              self.__cur_field = 0
         EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect)  
719    
720          panelBox.Add(propertyBox, 0, wxGROW, 4)              self.fields.Append("<None>")
721    
722                if fieldType is None:
723                    self.fields.SetClientData(0, copy.deepcopy(self.originalClass))
724                else:
725                    self.fields.SetClientData(0, None)
726    
727          #              for i in range(self.num_cols):
728          # Control Box                  name = table.Column(i).name
729          #                  self.fields.Append(name)
730          controlBox = wxBoxSizer(wxHORIZONTAL)  
731                    if name == field:
732                        self.__cur_field = i + 1
733                        self.fields.SetClientData(i + 1,
734                                                  copy.deepcopy(self.originalClass))
735                    else:
736                        self.fields.SetClientData(i + 1, None)
737    
738                button_gen = wxButton(panel, ID_PROPERTY_GENCLASS,
739                    _("Generate Class"))
740                button_add = wxButton(panel, ID_PROPERTY_ADD,
741                    _("Add"))
742                button_moveup = wxButton(panel, ID_PROPERTY_MOVEUP,
743                    _("Move Up"))
744                button_movedown = wxButton(panel, ID_PROPERTY_MOVEDOWN,
745                    _("Move Down"))
746                button_edit = wxButton(panel, ID_PROPERTY_EDITSYM,
747                    _("Edit Symbol"))
748                button_remove = wxButton(panel, ID_PROPERTY_REMOVE,
749                    _("Remove"))
750    
751                self.classGrid = ClassGrid(panel, self)
752    
753                # calling __SelectField after creating the classGrid fills in the
754                # grid with the correct information
755                self.fields.SetSelection(self.__cur_field)
756                self.__SelectField(self.__cur_field, group = group)
757    
758            button_try = wxButton(self, ID_PROPERTY_TRY, _("Try"))
759            button_revert = wxButton(self, ID_PROPERTY_REVERT, _("Revert"))
760            button_ok = wxButton(self, wxID_OK, _("OK"))
761            button_close = wxButton(self, wxID_CANCEL, _("Close"))
762            button_ok.SetDefault()
763    
764          ###########          ############################
765            # Layout the controls
766          #          #
         # Control buttons:  
         #  
         self.controlButtons = []  
767    
768          controlButtonBox = wxBoxSizer(wxVERTICAL)          topBox = wxBoxSizer(wxVERTICAL)
769            panelBox = wxBoxSizer(wxVERTICAL)
         button = wxButton(panel, ID_CLASSIFY_GENCLASS, _("Generate Class"))  
         controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)  
         self.controlButtons.append(button)  
770    
771          button = wxButton(panel, ID_CLASSIFY_ADD, _("Add"))          sizer = wxBoxSizer(wxHORIZONTAL)
772          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)          sizer.Add(wxStaticText(panel, -1, _("Title: ")),
773          self.controlButtons.append(button)              0, wxALIGN_LEFT | wxALL | wxALIGN_CENTER_VERTICAL, 4)
774            sizer.Add(text_title, 1, wxGROW, 0)
775    
776          button = wxButton(panel, ID_CLASSIFY_MOVEUP, _("Move Up"))          panelBox.Add(sizer, 0, wxGROW, 4)
         controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)  
         self.controlButtons.append(button)  
777    
778          button = wxButton(panel, ID_CLASSIFY_MOVEDOWN, _("Move Down"))          if isinstance(layer, RasterLayer):
779          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)              type = "Image"
780          self.controlButtons.append(button)          else:
781                type = layer.ShapeType()
782    
783          button = wxButton(panel, ID_CLASSIFY_EDITSYM, _("Edit Symbol"))          panelBox.Add(wxStaticText(panel, -1, _("Type: %s") % type),
784          controlButtonBox.Add(button, 0, wxGROW | wxALL, 4)              0, wxALIGN_LEFT | wxALL, 4)
         self.controlButtons.append(button)  
785    
786          controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)          if layer.HasClassification():
787    
788          button = wxButton(panel, ID_CLASSIFY_REMOVE, _("Remove"))              classBox = wxStaticBoxSizer(
789          controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4)                          wxStaticBox(panel, -1, _("Classification")), wxVERTICAL)
         self.controlButtons.append(button)  
790    
791    
792          ###########              sizer = wxBoxSizer(wxHORIZONTAL)
793          #              sizer.Add(wxStaticText(panel, ID_PROPERTY_FIELDTEXT, _("Field: ")),
794          # Classification data table                  0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
795          #              sizer.Add(self.fields, 1, wxGROW | wxALL, 4)
796    
797          self.classGrid = ClassGrid(panel, self)              classBox.Add(sizer, 0, wxGROW, 4)
 #       self.classGrid = wxGrid(panel, -1)  
 #       self.classGrid.SetDefaultRenderer(wxGridCellBoolRenderer())  
 #       self.classGrid.SetDefaultEditor(wxGridCellBoolEditor())  
         #self.classGrid.CreateGrid(5, 5)  
         #self.classGrid.SetCellEditor(0, 0, wxGridCellBoolEditor())  
         #self.classGrid.SetCellRenderer(0, 0, wxGridCellBoolRenderer())  
         #print self.classGrid.GetCellEditor(0, 0)  
         #print self.classGrid.GetCellRenderer(0, 0)  
         #self.classGrid = ClassGrid(panel, self)  
   
         # need these  
         self.__SetGridTable(self.__cur_field, group)  
         self.fields.SetSelection(self.__cur_field)  
         #self.classGrid.SetCellEditor(0, 0, wxGridCellBoolEditor())  
         #self.classGrid.SetCellRenderer(0, 0, wxGridCellBoolRenderer())  
   
         # 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)  
   
         #self.classGrid.SelectGroup(group)  
   
         controlBox.Add(self.classGrid, 1, wxGROW, 0)  
798    
799                classBox.Add(self.fieldTypeText, 0,
800                            wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4)
801    
802                controlBox = wxBoxSizer(wxHORIZONTAL)
803                controlButtonBox = wxBoxSizer(wxVERTICAL)
804    
805          controlBox.Add(controlButtonBox, 0, wxGROW, 10)              controlButtonBox.Add(button_gen, 0, wxGROW|wxALL, 4)
806          panelBox.Add(controlBox, 1, wxGROW, 10)              controlButtonBox.Add(button_add, 0, wxGROW|wxALL, 4)
807                controlButtonBox.Add(button_moveup, 0, wxGROW|wxALL, 4)
808          EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd)              controlButtonBox.Add(button_movedown, 0, wxGROW|wxALL, 4)
809          EVT_BUTTON(self, ID_CLASSIFY_EDITSYM, self._OnEditSymbol)              controlButtonBox.Add(button_edit, 0, wxGROW|wxALL, 4)
810          EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove)              controlButtonBox.Add(60, 20, 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)
811          EVT_BUTTON(self, ID_CLASSIFY_GENCLASS, self._OnGenClass)              controlButtonBox.Add(button_remove, 0,
812          EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp)                                   wxGROW|wxALL|wxALIGN_BOTTOM, 4)
         EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown)  
813    
814          ###########              controlBox.Add(self.classGrid, 1, wxGROW, 0)
815                controlBox.Add(controlButtonBox, 0, wxGROW, 10)
816    
817          buttonBox = wxBoxSizer(wxHORIZONTAL)              classBox.Add(controlBox, 1, wxGROW, 10)
818          buttonBox.Add(wxButton(panel, ID_CLASSIFY_TRY, _("Try")),              panelBox.Add(classBox, 1, wxGROW, 0)
                       0, wxALL, 4)  
         buttonBox.Add(60, 20, 0, wxALL, 4)  
         buttonBox.Add(wxButton(panel, ID_CLASSIFY_REVERT, _("Revert")),  
                       0, wxALL, 4)  
         buttonBox.Add(60, 20, 0, wxALL, 4)  
         buttonBox.Add(wxButton(panel, ID_CLASSIFY_OK, _("OK")),  
                       0, wxALL, 4)  
         buttonBox.Add(60, 20, 0, wxALL, 4)  
         buttonBox.Add(wxButton(panel, ID_CLASSIFY_CLOSE, _("Close")),  
                       0, wxALL, 4)  
         panelBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0)  
   
         EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK)  
         EVT_BUTTON(self, ID_CLASSIFY_TRY, self._OnTry)  
         EVT_BUTTON(self, ID_CLASSIFY_CLOSE, self._OnCloseBtn)  
         EVT_BUTTON(self, ID_CLASSIFY_REVERT, self._OnRevert)  
819    
         ###########  
820    
821            buttonBox = wxBoxSizer(wxHORIZONTAL)
822            buttonBox.Add(button_try, 0, wxRIGHT|wxEXPAND, 10)
823            buttonBox.Add(button_revert, 0, wxRIGHT|wxEXPAND, 10)
824            buttonBox.Add(button_ok, 0, wxRIGHT|wxEXPAND, 10)
825            buttonBox.Add(button_close, 0, wxRIGHT|wxEXPAND, 10)
826    
827          panel.SetAutoLayout(True)          panel.SetAutoLayout(True)
828          panel.SetSizer(panelBox)          panel.SetSizer(panelBox)
829            panelBox.Fit(panel)
830          panelBox.SetSizeHints(panel)          panelBox.SetSizeHints(panel)
831    
832          topBox.Add(panel, 1, wxGROW, 0)          topBox.Add(panel, 1, wxGROW | wxALL, 4)
833          panelBox.SetSizeHints(self)          topBox.Add(buttonBox, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10)
834    
835          self.SetAutoLayout(True)          self.SetAutoLayout(True)
836          self.SetSizer(topBox)          self.SetSizer(topBox)
837            topBox.Fit(self)
838            topBox.SetSizeHints(self)
839            self.Layout()
840    
841            ###########
842    
843            EVT_CHOICE(self, ID_PROPERTY_SELECT, self._OnFieldSelect)
844            EVT_TEXT(self, ID_PROPERTY_TITLE, self._OnTitleChanged)
845            EVT_BUTTON(self, wxID_OK, self._OnOK)
846            EVT_BUTTON(self, ID_PROPERTY_TRY, self._OnTry)
847            EVT_BUTTON(self, wxID_CANCEL, self._OnCloseBtn)
848            EVT_BUTTON(self, ID_PROPERTY_REVERT, self._OnRevert)
849    
850            EVT_BUTTON(self, ID_PROPERTY_ADD, self._OnAdd)
851            EVT_BUTTON(self, ID_PROPERTY_EDITSYM, self._OnEditSymbol)
852            EVT_BUTTON(self, ID_PROPERTY_REMOVE, self._OnRemove)
853            EVT_BUTTON(self, ID_PROPERTY_GENCLASS, self._OnGenClass)
854            EVT_BUTTON(self, ID_PROPERTY_MOVEUP, self._OnMoveUp)
855            EVT_BUTTON(self, ID_PROPERTY_MOVEDOWN, self._OnMoveDown)
856    
         #self.Fit()  
857          ######################          ######################
858    
859            text_title.SetFocus()
860          self.haveApplied = False          self.haveApplied = False
861    
862        def unsubscribe_messages(self):
863            self.map.Unsubscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
864            self.layer.Unsubscribe(LAYER_SHAPESTORE_REPLACED,
865                                   self.layer_shapestore_replaced)
866    
867        def map_layers_removed(self, map):
868            if self.layer not in self.map.Layers():
869                self.Close()
870    
871        def layer_shapestore_replaced(self, *args):
872            self.Close()
873    
874      def EditSymbol(self, row):      def EditSymbol(self, row):
875          table = self.classGrid.GetTable()          table = self.classGrid.GetTable()
876          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)
877    
878          # get a new ClassGroupProperties object and copy the          # get a new ClassGroupProperties object and copy the
879          # values over to our current object          # values over to our current object
880          propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType())          propDlg = SelectPropertiesDialog(self, prop, self.layer.ShapeType())
881    
882          self.Enable(False)          self.Enable(False)
883          if propDlg.ShowModal() == wxID_OK:          if propDlg.ShowModal() == wxID_OK:
# Line 881  class Classifier(NonModalDialog): Line 891  class Classifier(NonModalDialog):
891          self.fields.SetClientData(self.__cur_field, clazz)          self.fields.SetClientData(self.__cur_field, clazz)
892          self.classGrid.GetTable().SetClassification(clazz)          self.classGrid.GetTable().SetClassification(clazz)
893    
894      def __BuildClassification(self, fieldIndex, copyClass = False):      def __BuildClassification(self, fieldIndex, copyClass=False, force=False):
895    
896  #       numRows = self.classGrid.GetNumberRows()  #       numRows = self.classGrid.GetNumberRows()
897  #       assert numRows > 0  # there should always be a default row  #       assert numRows > 0  # there should always be a default row
898    
 #       clazz = Classification()  
899          if fieldIndex == 0:          if fieldIndex == 0:
900              fieldName = None              fieldName = None
901              fieldType = None              fieldType = None
# Line 894  class Classifier(NonModalDialog): Line 903  class Classifier(NonModalDialog):
903              fieldName = self.fields.GetString(fieldIndex)              fieldName = self.fields.GetString(fieldIndex)
904              fieldType = self.layer.GetFieldType(fieldName)              fieldType = self.layer.GetFieldType(fieldName)
905    
906          clazz = self.classGrid.GetTable().GetClassification()          clazz = self.fields.GetClientData(fieldIndex)
907            if clazz is None or self.classGrid.GetTable().IsModified() or force:
908          if copyClass:              clazz = self.classGrid.GetTable().GetClassification()
909              clazz = copy.deepcopy(clazz)              if copyClass:
910                    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))  
911    
912          return clazz          return clazz, fieldName
913    
914      def __SetGridTable(self, fieldIndex, group = None):      def __SetGridTable(self, fieldIndex, group = None):
915    
# Line 922  class Classifier(NonModalDialog): Line 922  class Classifier(NonModalDialog):
922                      self.layer.GetClassification().                      self.layer.GetClassification().
923                                 GetDefaultGroup().GetProperties()))                                 GetDefaultGroup().GetProperties()))
924    
925              fieldName = self.fields.GetString(fieldIndex)          fieldName = self.fields.GetString(fieldIndex)
926              fieldType = self.layer.GetFieldType(fieldName)          fieldType = self.layer.GetFieldType(fieldName)
             clazz.SetFieldType(fieldType)  
927                                    
928          self.classGrid.CreateTable(clazz, self.layer.ShapeType(), group)          self.classGrid.CreateTable(clazz, fieldType,
929                                       self.layer.ShapeType(), group)
930    
931      def __SetFieldTypeText(self, fieldIndex):      def __SetFieldTypeText(self, fieldIndex):
932          fieldName = self.fields.GetString(fieldIndex)          fieldName = self.fields.GetString(fieldIndex)
# Line 936  class Classifier(NonModalDialog): Line 936  class Classifier(NonModalDialog):
936    
937          text = Classifier.type2string[fieldType]          text = Classifier.type2string[fieldType]
938    
939          self.fieldTypeText.SetLabel(_("Field Type: %s") % text)          self.fieldTypeText.SetLabel(_("Data Type: %s") % text)
940    
941      def __SelectField(self, newIndex, oldIndex = -1, group = None):      def __SelectField(self, newIndex, oldIndex = -1, group = None):
942          """This method assumes that the current selection for the          """This method assumes that the current selection for the
# Line 946  class Classifier(NonModalDialog): Line 946  class Classifier(NonModalDialog):
946          assert oldIndex >= -1          assert oldIndex >= -1
947    
948          if oldIndex != -1:          if oldIndex != -1:
949              clazz = self.__BuildClassification(oldIndex)              clazz, name = self.__BuildClassification(oldIndex, force = True)
950              self.fields.SetClientData(oldIndex, clazz)              self.fields.SetClientData(oldIndex, clazz)
951    
952          self.__SetGridTable(newIndex, group)          self.__SetGridTable(newIndex, group)
953    
954          enabled = newIndex != 0          self.__EnableButtons(EB_SELECT_FIELD)
   
         for b in self.controlButtons:  
             b.Enable(enabled)  
955    
956          self.__SetFieldTypeText(newIndex)          self.__SetFieldTypeText(newIndex)
957    
958        def __SetTitle(self, title):
959            if title != "":
960                title = ": " + title
961    
962            self.SetTitle(_("Layer Properties") + title)
963    
964      def _OnEditSymbol(self, event):      def _OnEditSymbol(self, event):
965          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
# Line 975  class Classifier(NonModalDialog): Line 977  class Classifier(NonModalDialog):
977             it to the layer.             it to the layer.
978          """          """
979    
980          clazz = self.fields.GetClientData(self.__cur_field)          if self.layer.HasClassification():
981                clazz = self.fields.GetClientData(self.__cur_field)
982    
983          #              #
984          # only build the classification if there wasn't one to              # only build the classification if there wasn't one to
985          # to begin with or it has been modified              # to begin with or it has been modified
986          #              #
987          if clazz is None or self.classGrid.GetTable().IsModified():              self.classGrid.SaveEditControlValue()
988              clazz = self.__BuildClassification(self.__cur_field, True)              clazz, name = self.__BuildClassification(self.__cur_field, True)
989    
990          self.layer.SetClassification(clazz)              self.layer.SetClassificationColumn(name)
991                self.layer.SetClassification(clazz)
992    
993          self.haveApplied = True          self.haveApplied = True
994    
# Line 992  class Classifier(NonModalDialog): Line 996  class Classifier(NonModalDialog):
996          self._OnTry(event)          self._OnTry(event)
997          self.Close()          self.Close()
998    
999        def OnClose(self, event):
1000            self.unsubscribe_messages()
1001            NonModalNonParentDialog.OnClose(self, event)
1002    
1003      def _OnCloseBtn(self, event):      def _OnCloseBtn(self, event):
1004          """Close is similar to Cancel except that any changes that were          """Close is similar to Cancel except that any changes that were
1005          made and applied remain applied, but the currently displayed          made and applied remain applied, but the currently displayed
# Line 1003  class Classifier(NonModalDialog): Line 1011  class Classifier(NonModalDialog):
1011      def _OnRevert(self, event):      def _OnRevert(self, event):
1012          """The layer's current classification stays the same."""          """The layer's current classification stays the same."""
1013          if self.haveApplied:          if self.haveApplied:
1014                self.layer.SetClassificationColumn(self.originalClassField)
1015              self.layer.SetClassification(self.originalClass)              self.layer.SetClassification(self.originalClass)
1016    
1017          #self.Close()          #self.Close()
# Line 1015  class Classifier(NonModalDialog): Line 1024  class Classifier(NonModalDialog):
1024    
1025      def _OnGenClass(self, event):      def _OnGenClass(self, event):
1026    
         #if self.genDlg is None:  
1027          self.genDlg = ClassGenDialog(self, self.layer,          self.genDlg = ClassGenDialog(self, self.layer,
1028                            self.fields.GetString(self.__cur_field))                            self.fields.GetString(self.__cur_field))
1029    
1030          EVT_CLOSE(self.genDlg, self._OnGenDialogClose)          EVT_CLOSE(self.genDlg, self._OnGenDialogClose)
1031    
1032          self.fields.Enable(False)          self.__EnableButtons(EB_GEN_CLASS)
         self.controlButtons[BTN_EDIT].Enable(False)  
         self.controlButtons[BTN_GEN].Enable(False)  
1033    
1034          self.genDlg.Show()          self.genDlg.Show()
         #if self.genDlg.ShowModal() == wxID_OK:  
         #    clazz = self.genDlg.GetClassification()  
         #    self.fields.SetClientData(self.__cur_field, clazz)  
         #    self.classGrid.GetTable().SetClassification(clazz)  
         #self.Enable(True)  
         #self.genDlg.Destroy()  
1035    
1036      def _OnGenDialogClose(self, event):      def _OnGenDialogClose(self, event):
1037          self.genDlg.Destroy()          self.genDlg.Destroy()
1038            self.genDlg = None
1039          self.fields.Enable(True)          self.__EnableButtons(EB_GEN_CLASS)
         self.controlButtons[BTN_EDIT].Enable(True)  
         self.controlButtons[BTN_GEN].Enable(True)  
1040    
1041      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
1042          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
# Line 1070  class Classifier(NonModalDialog): Line 1068  class Classifier(NonModalDialog):
1068                  self.classGrid.SelectRow(i + 1)                  self.classGrid.SelectRow(i + 1)
1069                  self.classGrid.MakeCellVisible(i + 1, 0)                  self.classGrid.MakeCellVisible(i + 1, 0)
1070    
1071        def _OnTitleChanged(self, event):
1072            obj = event.GetEventObject()
1073    
1074            self.layer.SetTitle(obj.GetValue())
1075            self.__SetTitle(self.layer.Title())
1076    
1077            self.__EnableButtons(EB_LAYER_TITLE)
1078    
1079        def __EnableButtons(self, case):
1080    
1081            list = {wxID_OK                 : True,
1082                    wxID_CANCEL             : True,
1083                    ID_PROPERTY_ADD         : True,
1084                    ID_PROPERTY_MOVEUP      : True,
1085                    ID_PROPERTY_MOVEDOWN    : True,
1086                    ID_PROPERTY_REMOVE      : True,
1087                    ID_PROPERTY_SELECT      : True,
1088                    ID_PROPERTY_FIELDTEXT   : True,
1089                    ID_PROPERTY_GENCLASS    : True,
1090                    ID_PROPERTY_EDITSYM     : True}
1091    
1092            if case == EB_LAYER_TITLE:  
1093                if self.layer.Title() == "":
1094                    list[wxID_OK] = False
1095                    list[wxID_CANCEL] = False
1096    
1097            elif case == EB_SELECT_FIELD:
1098                if self.fields.GetSelection() == 0:
1099                    list[ID_PROPERTY_GENCLASS] = False
1100                    list[ID_PROPERTY_ADD] = False
1101                    list[ID_PROPERTY_MOVEUP] = False
1102                    list[ID_PROPERTY_MOVEDOWN] = False
1103                    list[ID_PROPERTY_REMOVE] = False
1104    
1105            elif case == EB_GEN_CLASS:
1106                if self.genDlg is not None:
1107                    list[ID_PROPERTY_SELECT] = False
1108                    list[ID_PROPERTY_FIELDTEXT] = False
1109                    list[ID_PROPERTY_GENCLASS] = False
1110    
1111            for id, enable in list.items():
1112                win = self.FindWindowById(id)
1113                if win:
1114                    win.Enable(enable)
1115    
 ID_SELPROP_OK = 4001  
 ID_SELPROP_CANCEL = 4002  
1116  ID_SELPROP_SPINCTRL = 4002  ID_SELPROP_SPINCTRL = 4002
1117  ID_SELPROP_PREVIEW = 4003  ID_SELPROP_PREVIEW = 4003
1118  ID_SELPROP_STROKECLR = 4004  ID_SELPROP_STROKECLR = 4004
# Line 1111  class SelectPropertiesDialog(wxDialog): Line 1151  class SelectPropertiesDialog(wxDialog):
1151          ctrlBox = wxBoxSizer(wxVERTICAL)          ctrlBox = wxBoxSizer(wxVERTICAL)
1152    
1153          lineColorBox = wxBoxSizer(wxHORIZONTAL)          lineColorBox = wxBoxSizer(wxHORIZONTAL)
1154          lineColorBox.Add(          button = wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color"))
1155              wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color")),          button.SetFocus()
1156              1, wxALL | wxGROW, 4)          lineColorBox.Add(button, 1, wxALL | wxGROW, 4)
1157          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)          EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor)
1158    
1159          lineColorBox.Add(          lineColorBox.Add(
# Line 1159  class SelectPropertiesDialog(wxDialog): Line 1199  class SelectPropertiesDialog(wxDialog):
1199          # Control buttons:          # Control buttons:
1200          #          #
1201          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wxBoxSizer(wxHORIZONTAL)
1202          buttonBox.Add(wxButton(self, ID_SELPROP_OK, _("OK")),          button_ok = wxButton(self, wxID_OK, _("OK"))
1203                        0, wxALL, 4)          buttonBox.Add(button_ok, 0, wxRIGHT|wxEXPAND, 10)
1204          buttonBox.Add(wxButton(self, ID_SELPROP_CANCEL, _("Cancel")),          buttonBox.Add(wxButton(self, wxID_CANCEL, _("Cancel")),
1205                        0, wxALL, 4)                        0, wxRIGHT|wxEXPAND, 10)
1206          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)          topBox.Add(buttonBox, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10)
1207    
1208            button_ok.SetDefault()
1209                                                                                                                                                                    
1210          EVT_BUTTON(self, ID_SELPROP_OK, self._OnOK)          #EVT_BUTTON(self, wxID_OK, self._OnOK)
1211          EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)          #EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)
1212                                                                                                                                                                    
1213          self.SetAutoLayout(True)          self.SetAutoLayout(True)
1214          self.SetSizer(topBox)          self.SetSizer(topBox)
1215          topBox.Fit(self)          topBox.Fit(self)
1216          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
1217    
1218      def _OnOK(self, event):      def OnOK(self, event):
1219          self.EndModal(wxID_OK)          self.EndModal(wxID_OK)
1220    
1221      def _OnCancel(self, event):      def OnCancel(self, event):
1222          self.EndModal(wxID_CANCEL)          self.EndModal(wxID_CANCEL)
1223    
1224      def _OnSpin(self, event):      def _OnSpin(self, event):
# Line 1185  class SelectPropertiesDialog(wxDialog): Line 1227  class SelectPropertiesDialog(wxDialog):
1227    
1228      def __GetColor(self, cur):      def __GetColor(self, cur):
1229          dialog = wxColourDialog(self)          dialog = wxColourDialog(self)
1230          if cur is not Color.Transparent:          if cur is not Transparent:
1231              dialog.GetColourData().SetColour(Color2wxColour(cur))              dialog.GetColourData().SetColour(Color2wxColour(cur))
1232    
1233          ret = None          ret = None
# Line 1203  class SelectPropertiesDialog(wxDialog): Line 1245  class SelectPropertiesDialog(wxDialog):
1245          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1246    
1247      def _OnChangeLineColorTrans(self, event):      def _OnChangeLineColorTrans(self, event):
1248          self.prop.SetLineColor(Color.Transparent)          self.prop.SetLineColor(Transparent)
1249          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1250                    
1251      def _OnChangeFillColor(self, event):      def _OnChangeFillColor(self, event):
# Line 1213  class SelectPropertiesDialog(wxDialog): Line 1255  class SelectPropertiesDialog(wxDialog):
1255          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1256    
1257      def _OnChangeFillColorTrans(self, event):      def _OnChangeFillColorTrans(self, event):
1258          self.prop.SetFill(Color.Transparent)          self.prop.SetFill(Transparent)
1259          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1260    
1261      def GetClassGroupProperties(self):      def GetClassGroupProperties(self):
# Line 1269  class ClassDataPreviewer: Line 1311  class ClassDataPreviewer:
1311              h = rect.GetHeight()              h = rect.GetHeight()
1312    
1313          stroke = prop.GetLineColor()          stroke = prop.GetLineColor()
1314          if stroke is Color.Transparent:          if stroke is Transparent:
1315              pen = wxTRANSPARENT_PEN              pen = wxTRANSPARENT_PEN
1316          else:          else:
1317              pen = wxPen(Color2wxColour(stroke),              pen = wxPen(Color2wxColour(stroke),
# Line 1277  class ClassDataPreviewer: Line 1319  class ClassDataPreviewer:
1319                          wxSOLID)                          wxSOLID)
1320    
1321          stroke = prop.GetFill()          stroke = prop.GetFill()
1322          if stroke is Color.Transparent:          if stroke is Transparent:
1323              brush = wxTRANSPARENT_BRUSH              brush = wxTRANSPARENT_BRUSH
1324          else:          else:
1325              brush = wxBrush(Color2wxColour(stroke), wxSOLID)              brush = wxBrush(Color2wxColour(stroke), wxSOLID)
# Line 1336  class ClassGroupPropertiesCtrl(wxWindow, Line 1378  class ClassGroupPropertiesCtrl(wxWindow,
1378    
1379          wxWindow.__init__(self, parent, id, size = size, style = style)          wxWindow.__init__(self, parent, id, size = size, style = style)
1380    
1381            self.parent = parent
1382    
1383          self.SetProperties(props)          self.SetProperties(props)
1384          self.SetShapeType(shapeType)          self.SetShapeType(shapeType)
1385          self.AllowEdit(True)          self.AllowEdit(True)
# Line 1379  class ClassGroupPropertiesCtrl(wxWindow, Line 1423  class ClassGroupPropertiesCtrl(wxWindow,
1423      def DoEdit(self):      def DoEdit(self):
1424          if not self.allowEdit: return          if not self.allowEdit: return
1425    
1426          propDlg = SelectPropertiesDialog(NULL,          propDlg = SelectPropertiesDialog(self.parent,
1427                                           self.GetProperties(),                                           self.GetProperties(),
1428                                           self.GetShapeType())                                           self.GetShapeType())
1429    
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