/[thuban]/trunk/thuban/Thuban/UI/classifier.py
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revision 1464 by bh, Fri Jul 18 18:20:40 2003 UTC revision 2386 by jan, Thu Oct 7 14:43:45 2004 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001, 2003 by Intevation GmbH  # Copyright (c) 2003-2004 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jonathan Coles <[email protected]>  # Jan-Oliver Wagner <[email protected]> (2003-2004)
4    # Martin Schulze <[email protected]> (2004)
5    # Frank Koormann <[email protected]> (2003)
6    # Bernhard Herzog <[email protected]> (2003)
7    # Jonathan Coles <[email protected]> (2003)
8  #  #
9  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
10  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
# Line 8  Line 12 
12  """Dialog for classifying how layers are displayed"""  """Dialog for classifying how layers are displayed"""
13    
14  __version__ = "$Revision$"  __version__ = "$Revision$"
15    # $Source$
16    # $Id$
17    
18  import copy  import copy
19    
# Line 29  from Thuban.Model.classification import Line 35  from Thuban.Model.classification import
35    
36  from Thuban.Model.color import Transparent  from Thuban.Model.color import Transparent
37    
38  from Thuban.Model.layer import Layer, RasterLayer, \  from Thuban.Model.layer import Layer, RasterLayer
39      SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT  from Thuban.Model.data import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT
40    
41  from Thuban.UI.classgen import ClassGenDialog  from Thuban.UI.classgen import ClassGenDialog
42    from Thuban.UI.colordialog import ColorDialog
43    
44  from dialogs import NonModalNonParentDialog  from dialogs import NonModalNonParentDialog
45  from messages import MAP_REPLACED  from messages import MAP_REPLACED
# Line 316  class ClassTable(wxPyGridTableBase): Line 323  class ClassTable(wxPyGridTableBase):
323          self.GetView().FitInside()          self.GetView().FitInside()
324    
325      def GetClassification(self):      def GetClassification(self):
326            """Return the current classification."""
327          return self.clazz          return self.clazz
328    
329      def SetClassification(self, clazz, group = None):      def SetClassification(self, clazz, group = None):
330            """Fill in the table with the given classification.
331            Select the given group if group is not None.
332            """
333    
334          self.GetView().BeginBatch()          self.GetView().BeginBatch()
335    
# Line 326  class ClassTable(wxPyGridTableBase): Line 337  class ClassTable(wxPyGridTableBase):
337    
338          row = -1          row = -1
339          self.clazz = clazz          self.clazz = clazz
340    
341          self.__NotifyRowChanges(old_len, self.GetNumberRows())          self.__NotifyRowChanges(old_len, self.GetNumberRows())
342    
343          #          #
# Line 339  class ClassTable(wxPyGridTableBase): Line 350  class ClassTable(wxPyGridTableBase):
350    
351          self.__Modified()          self.__Modified()
352    
   
353          self.GetView().EndBatch()          self.GetView().EndBatch()
354          self.GetView().FitInside()          self.GetView().FitInside()
355    
356      def __NotifyRowChanges(self, curRows, newRows):      def __NotifyRowChanges(self, curRows, newRows):
357            """Make sure table updates correctly if the number of
358            rows changes.
359            """
360          #          #
361          # silly message processing for updates to the number of          # silly message processing for updates to the number of
362          # rows and columns          # rows and columns
# Line 362  class ClassTable(wxPyGridTableBase): Line 375  class ClassTable(wxPyGridTableBase):
375              self.GetView().ProcessTableMessage(msg)              self.GetView().ProcessTableMessage(msg)
376              self.GetView().FitInside()              self.GetView().FitInside()
377    
   
378      def __SetRow(self, row, group):      def __SetRow(self, row, group):
379          """Set a row's data to that of the group.          """Set a row's data to that of the group.
380    
# Line 433  class ClassTable(wxPyGridTableBase): Line 445  class ClassTable(wxPyGridTableBase):
445          """          """
446    
447          self.SetValueAsCustom(row, col, None, value)          self.SetValueAsCustom(row, col, None, value)
448          
449      def GetValueAsCustom(self, row, col, typeName):      def GetValueAsCustom(self, row, col, typeName):
450          """Return the object that is used to represent the given          """Return the object that is used to represent the given
451             cell coordinates. This may not be a string.             cell coordinates. This may not be a string.
452    
453          typeName -- unused, but needed to overload wxPyGridTableBase          typeName -- unused, but needed to overload wxPyGridTableBase
454          """          """
455    
# Line 594  class ClassTable(wxPyGridTableBase): Line 606  class ClassTable(wxPyGridTableBase):
606              return self.clazz.GetGroup(row - 1)              return self.clazz.GetGroup(row - 1)
607    
608      def SetClassGroup(self, row, group):      def SetClassGroup(self, row, group):
609            """Set the given row to properties of group."""
610          self.__SetRow(row, group)          self.__SetRow(row, group)
611          self.GetView().Refresh()          self.GetView().Refresh()
612    
# Line 678  class Classifier(NonModalNonParentDialog Line 691  class Classifier(NonModalNonParentDialog
691                     FIELDTYPE_INT:    _("Integer"),                     FIELDTYPE_INT:    _("Integer"),
692                     FIELDTYPE_DOUBLE: _("Decimal")}                     FIELDTYPE_DOUBLE: _("Decimal")}
693    
694      def __init__(self, parent, name, map, layer, group = None):      def __init__(self, parent, name, layer, group = None):
695            """Create a Properties/Classification dialog for a layer.
696            The layer is part of map. If group is not None, select that
697            group in the classification table.
698            """
699    
700          NonModalNonParentDialog.__init__(self, parent, name, "")          NonModalNonParentDialog.__init__(self, parent, name, "")
701    
702          self.__SetTitle(layer.Title())          self.__SetTitle(layer.Title())
703    
704          self.parent.Subscribe(MAP_REPLACED, self.map_replaced)          self.parent.Subscribe(MAP_REPLACED, self.map_replaced)
705          self.layer = layer          self.layer = layer
706          self.map = map          self.map = parent.Map()
707    
708          self.map.Subscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)          self.map.Subscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
709          self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED,          self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED,
# Line 862  class Classifier(NonModalNonParentDialog Line 880  class Classifier(NonModalNonParentDialog
880          self.haveApplied = False          self.haveApplied = False
881    
882      def unsubscribe_messages(self):      def unsubscribe_messages(self):
883            """Unsubscribe from all messages."""
884          self.parent.Unsubscribe(MAP_REPLACED, self.map_replaced)          self.parent.Unsubscribe(MAP_REPLACED, self.map_replaced)
885          self.map.Unsubscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)          self.map.Unsubscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
886          self.layer.Unsubscribe(LAYER_SHAPESTORE_REPLACED,          self.layer.Unsubscribe(LAYER_SHAPESTORE_REPLACED,
887                                 self.layer_shapestore_replaced)                                 self.layer_shapestore_replaced)
888    
889      def map_layers_removed(self, map):      def map_layers_removed(self, map):
890            """Subscribed to MAP_LAYERS_REMOVED. If this layer was removed,
891            Close self.
892            """
893          if self.layer not in self.map.Layers():          if self.layer not in self.map.Layers():
894              self.Close()              self.Close()
895    
# Line 883  class Classifier(NonModalNonParentDialog Line 905  class Classifier(NonModalNonParentDialog
905          self.Close()          self.Close()
906    
907      def EditSymbol(self, row):      def EditSymbol(self, row):
908            """Open up a dialog where the user can select the properties
909            for a group.
910            """
911          table = self.classGrid.GetTable()          table = self.classGrid.GetTable()
912          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)          prop = table.GetValueAsCustom(row, COL_SYMBOL, None)
913    
# Line 896  class Classifier(NonModalNonParentDialog Line 921  class Classifier(NonModalNonParentDialog
921              table.SetValueAsCustom(row, COL_SYMBOL, None, new_prop)              table.SetValueAsCustom(row, COL_SYMBOL, None, new_prop)
922          self.Enable(True)          self.Enable(True)
923          propDlg.Destroy()          propDlg.Destroy()
924            
925      def _SetClassification(self, clazz):      def _SetClassification(self, clazz):
926                    """Called from the ClassGen dialog when a new classification has
927            been created and should be set in the table.
928            """
929            # FIXME: This could be implemented using a message
930    
931          self.fields.SetClientData(self.__cur_field, clazz)          self.fields.SetClientData(self.__cur_field, clazz)
932          self.classGrid.GetTable().SetClassification(clazz)          self.classGrid.GetTable().SetClassification(clazz)
933    
934      def __BuildClassification(self, fieldIndex, copyClass=False, force=False):      def __BuildClassification(self, fieldIndex, copyClass=False, force=False):
935            """Pack the classification setting into a Classification object.
936            Returns (Classification, fieldName) where fieldName is the selected
937            field in the table that the classification should be used with.
938            """
939    
940  #       numRows = self.classGrid.GetNumberRows()  #       numRows = self.classGrid.GetNumberRows()
941  #       assert numRows > 0  # there should always be a default row  #       assert numRows > 0  # there should always be a default row
# Line 923  class Classifier(NonModalNonParentDialog Line 956  class Classifier(NonModalNonParentDialog
956          return clazz, fieldName          return clazz, fieldName
957    
958      def __SetGridTable(self, fieldIndex, group = None):      def __SetGridTable(self, fieldIndex, group = None):
959            """Set the table with the classification associated with the
960            selected field at fieldIndex. Select the specified group
961            if group is not None.
962            """
963    
964          clazz = self.fields.GetClientData(fieldIndex)          clazz = self.fields.GetClientData(fieldIndex)
965    
# Line 940  class Classifier(NonModalNonParentDialog Line 977  class Classifier(NonModalNonParentDialog
977                                     self.layer.ShapeType(), group)                                     self.layer.ShapeType(), group)
978    
979      def __SetFieldTypeText(self, fieldIndex):      def __SetFieldTypeText(self, fieldIndex):
980            """Set the field type string using the data type of the field
981            at fieldIndex.
982            """
983          fieldName = self.fields.GetString(fieldIndex)          fieldName = self.fields.GetString(fieldIndex)
984          fieldType = self.layer.GetFieldType(fieldName)          fieldType = self.layer.GetFieldType(fieldName)
985    
# Line 967  class Classifier(NonModalNonParentDialog Line 1007  class Classifier(NonModalNonParentDialog
1007          self.__SetFieldTypeText(newIndex)          self.__SetFieldTypeText(newIndex)
1008    
1009      def __SetTitle(self, title):      def __SetTitle(self, title):
1010            """Set the title of the dialog."""
1011          if title != "":          if title != "":
1012              title = ": " + title              title = ": " + title
1013    
1014          self.SetTitle(_("Layer Properties") + title)          self.SetTitle(_("Layer Properties") + title)
1015    
1016      def _OnEditSymbol(self, event):      def _OnEditSymbol(self, event):
1017            """Open up a dialog for the user to select group properties."""
1018          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
1019    
1020          if len(sel) == 1:          if len(sel) == 1:
# Line 1034  class Classifier(NonModalNonParentDialog Line 1076  class Classifier(NonModalNonParentDialog
1076          self.classGrid.DeleteSelectedRows()          self.classGrid.DeleteSelectedRows()
1077    
1078      def _OnGenClass(self, event):      def _OnGenClass(self, event):
1079            """Open up a dialog for the user to generate classifications."""
1080    
1081          self.genDlg = ClassGenDialog(self, self.layer,          self.genDlg = ClassGenDialog(self, self.layer,
1082                            self.fields.GetString(self.__cur_field))                            self.fields.GetString(self.__cur_field))
# Line 1045  class Classifier(NonModalNonParentDialog Line 1088  class Classifier(NonModalNonParentDialog
1088          self.genDlg.Show()          self.genDlg.Show()
1089    
1090      def _OnGenDialogClose(self, event):      def _OnGenDialogClose(self, event):
1091            """Reenable buttons after the generate classification
1092            dialog is closed.
1093            """
1094          self.genDlg.Destroy()          self.genDlg.Destroy()
1095          self.genDlg = None          self.genDlg = None
1096          self.__EnableButtons(EB_GEN_CLASS)          self.__EnableButtons(EB_GEN_CLASS)
1097    
1098      def _OnMoveUp(self, event):      def _OnMoveUp(self, event):
1099            """When the user clicks MoveUp, try to move a group up one row."""
1100          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
1101    
1102          if len(sel) == 1:          if len(sel) == 1:
# Line 1065  class Classifier(NonModalNonParentDialog Line 1112  class Classifier(NonModalNonParentDialog
1112                  self.classGrid.MakeCellVisible(i - 1, 0)                  self.classGrid.MakeCellVisible(i - 1, 0)
1113    
1114      def _OnMoveDown(self, event):      def _OnMoveDown(self, event):
1115            """When the user clicks MoveDown, try to move a group down one row."""
1116          sel = self.classGrid.GetCurrentSelection()          sel = self.classGrid.GetCurrentSelection()
1117    
1118          if len(sel) == 1:          if len(sel) == 1:
# Line 1080  class Classifier(NonModalNonParentDialog Line 1128  class Classifier(NonModalNonParentDialog
1128                  self.classGrid.MakeCellVisible(i + 1, 0)                  self.classGrid.MakeCellVisible(i + 1, 0)
1129    
1130      def _OnTitleChanged(self, event):      def _OnTitleChanged(self, event):
1131            """Update the dialog title when the user changed the layer name."""
1132          obj = event.GetEventObject()          obj = event.GetEventObject()
1133    
1134          self.layer.SetTitle(obj.GetValue())          self.layer.SetTitle(obj.GetValue())
# Line 1088  class Classifier(NonModalNonParentDialog Line 1137  class Classifier(NonModalNonParentDialog
1137          self.__EnableButtons(EB_LAYER_TITLE)          self.__EnableButtons(EB_LAYER_TITLE)
1138    
1139      def __EnableButtons(self, case):      def __EnableButtons(self, case):
1140            """Helper method that enables/disables the appropriate buttons
1141            based on the case provided. Cases are constants beginning with EB_.
1142            """
1143    
1144          list = {wxID_OK                 : True,          list = {wxID_OK                 : True,
1145                  wxID_CANCEL             : True,                  wxID_CANCEL             : True,
# Line 1124  class Classifier(NonModalNonParentDialog Line 1176  class Classifier(NonModalNonParentDialog
1176              if win:              if win:
1177                  win.Enable(enable)                  win.Enable(enable)
1178    
1179  ID_SELPROP_SPINCTRL = 4002  ID_SELPROP_SPINCTRL_LINEWIDTH = 4002
1180  ID_SELPROP_PREVIEW = 4003  ID_SELPROP_PREVIEW = 4003
1181  ID_SELPROP_STROKECLR = 4004  ID_SELPROP_STROKECLR = 4004
1182  ID_SELPROP_FILLCLR = 4005  ID_SELPROP_FILLCLR = 4005
1183  ID_SELPROP_STROKECLRTRANS = 4006  ID_SELPROP_STROKECLRTRANS = 4006
1184  ID_SELPROP_FILLCLRTRANS = 4007  ID_SELPROP_FILLCLRTRANS = 4007
1185    ID_SELPROP_SPINCTRL_SIZE = 4008
1186    
1187  class SelectPropertiesDialog(wxDialog):  class SelectPropertiesDialog(wxDialog):
1188        """Dialog that allows the user to select group properties."""
1189    
1190      def __init__(self, parent, prop, shapeType):      def __init__(self, parent, prop, shapeType):
1191            """Open the dialog with the initial prop properties and shapeType."""
1192    
1193          wxDialog.__init__(self, parent, -1, _("Select Properties"),          wxDialog.__init__(self, parent, -1, _("Select Properties"),
1194                            style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)                            style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
1195    
# Line 1190  class SelectPropertiesDialog(wxDialog): Line 1246  class SelectPropertiesDialog(wxDialog):
1246              ctrlBox.Add(fillColorBox, 0,              ctrlBox.Add(fillColorBox, 0,
1247                          wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)                          wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4)
1248    
1249            # Line width selection
1250          spinBox = wxBoxSizer(wxHORIZONTAL)          spinBox = wxBoxSizer(wxHORIZONTAL)
1251          spinBox.Add(wxStaticText(self, -1, _("Line Width: ")),          spinBox.Add(wxStaticText(self, -1, _("Line Width: ")),
1252                  0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)                  0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
1253          self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL,          self.spinCtrl_linewidth = wxSpinCtrl(self,
1254                                     min=1, max=10,                                               ID_SELPROP_SPINCTRL_LINEWIDTH,
1255                                     value=str(prop.GetLineWidth()),                                               min=1, max=10,
1256                                     initial=prop.GetLineWidth())                                               value=str(prop.GetLineWidth()),
1257                                                 initial=prop.GetLineWidth())
         EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self._OnSpin)  
1258    
1259          spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4)          EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL_LINEWIDTH,
1260                         self._OnSpinLineWidth)
1261    
1262            spinBox.Add(self.spinCtrl_linewidth, 0, wxALIGN_LEFT | wxALL, 4)
1263          ctrlBox.Add(spinBox, 0, wxALIGN_RIGHT | wxALL, 0)          ctrlBox.Add(spinBox, 0, wxALIGN_RIGHT | wxALL, 0)
1264    
1265            # Size selection
1266            if shapeType == SHAPETYPE_POINT:
1267                spinBox = wxBoxSizer(wxHORIZONTAL)
1268                spinBox.Add(wxStaticText(self, -1, _("Size: ")),
1269                            0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4)
1270                self.spinCtrl_size = wxSpinCtrl(self, ID_SELPROP_SPINCTRL_SIZE,
1271                                                min=1, max=100,
1272                                                value=str(prop.GetSize()),
1273                                                initial=prop.GetSize())
1274    
1275                EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL_SIZE, self._OnSpinSize)
1276    
1277                spinBox.Add(self.spinCtrl_size, 0, wxALIGN_LEFT | wxALL, 4)
1278                ctrlBox.Add(spinBox, 0, wxALIGN_RIGHT | wxALL, 0)
1279    
1280    
1281          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)          itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0)
1282          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)          topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0)
1283    
# Line 1217  class SelectPropertiesDialog(wxDialog): Line 1292  class SelectPropertiesDialog(wxDialog):
1292          topBox.Add(buttonBox, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10)          topBox.Add(buttonBox, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10)
1293    
1294          button_ok.SetDefault()          button_ok.SetDefault()
1295                                                                                    
1296          #EVT_BUTTON(self, wxID_OK, self._OnOK)          #EVT_BUTTON(self, wxID_OK, self._OnOK)
1297          #EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)          #EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel)
1298                                                                                    
1299          self.SetAutoLayout(True)          self.SetAutoLayout(True)
1300          self.SetSizer(topBox)          self.SetSizer(topBox)
1301          topBox.Fit(self)          topBox.Fit(self)
# Line 1232  class SelectPropertiesDialog(wxDialog): Line 1307  class SelectPropertiesDialog(wxDialog):
1307      def OnCancel(self, event):      def OnCancel(self, event):
1308          self.EndModal(wxID_CANCEL)          self.EndModal(wxID_CANCEL)
1309    
1310      def _OnSpin(self, event):      def _OnSpinLineWidth(self, event):
1311          self.prop.SetLineWidth(self.spinCtrl.GetValue())          self.prop.SetLineWidth(self.spinCtrl_linewidth.GetValue())
1312            self.previewWin.Refresh()
1313    
1314        def _OnSpinSize(self, event):
1315            self.prop.SetSize(self.spinCtrl_size.GetValue())
1316          self.previewWin.Refresh()          self.previewWin.Refresh()
1317    
1318      def __GetColor(self, cur):      def __GetColor(self, cur):
1319          dialog = wxColourDialog(self)          dialog = ColorDialog(self)
1320          if cur is not Transparent:          dialog.SetColor(cur)
             dialog.GetColourData().SetColour(Color2wxColour(cur))  
1321    
1322          ret = None          ret = None
1323          if dialog.ShowModal() == wxID_OK:          if dialog.ShowModal() == wxID_OK:
1324              ret = wxColour2Color(dialog.GetColourData().GetColour())              ret = dialog.GetColor()
1325    
1326          dialog.Destroy()          dialog.Destroy()
1327    
1328          return ret          return ret
1329            
1330      def _OnChangeLineColor(self, event):      def _OnChangeLineColor(self, event):
1331          clr = self.__GetColor(self.prop.GetLineColor())          clr = self.__GetColor(self.prop.GetLineColor())
1332          if clr is not None:          if clr is not None:
# Line 1258  class SelectPropertiesDialog(wxDialog): Line 1336  class SelectPropertiesDialog(wxDialog):
1336      def _OnChangeLineColorTrans(self, event):      def _OnChangeLineColorTrans(self, event):
1337          self.prop.SetLineColor(Transparent)          self.prop.SetLineColor(Transparent)
1338          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer          self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer
1339            
1340      def _OnChangeFillColor(self, event):      def _OnChangeFillColor(self, event):
1341          clr = self.__GetColor(self.prop.GetFill())          clr = self.__GetColor(self.prop.GetFill())
1342          if clr is not None:          if clr is not None:
# Line 1274  class SelectPropertiesDialog(wxDialog): Line 1352  class SelectPropertiesDialog(wxDialog):
1352    
1353    
1354  class ClassDataPreviewWindow(wxWindow):  class ClassDataPreviewWindow(wxWindow):
1355        """A custom window that draws group properties using the correct shape."""
1356    
1357      def __init__(self, rect, prop, shapeType,      def __init__(self, rect, prop, shapeType,
1358                         parent = None, id = -1, size = wxDefaultSize):                         parent = None, id = -1, size = wxDefaultSize):
1359            """Draws the appropriate shape as specified with shapeType using
1360            prop properities.
1361            """
1362          if parent is not None:          if parent is not None:
1363              wxWindow.__init__(self, parent, id, (0, 0), size)              wxWindow.__init__(self, parent, id, (0, 0), size)
1364              EVT_PAINT(self, self._OnPaint)              EVT_PAINT(self, self._OnPaint)
# Line 1305  class ClassDataPreviewWindow(wxWindow): Line 1387  class ClassDataPreviewWindow(wxWindow):
1387          self.previewer.Draw(dc, rect, self.prop, self.shapeType)          self.previewer.Draw(dc, rect, self.prop, self.shapeType)
1388    
1389  class ClassDataPreviewer:  class ClassDataPreviewer:
1390        """Class that actually draws a group property preview."""
1391    
1392      def Draw(self, dc, rect, prop, shapeType):      def Draw(self, dc, rect, prop, shapeType):
1393            """Draw the property.
1394    
1395            returns: (w, h) as adapted extend if the drawing size
1396            exceeded the given rect. This can only be the case
1397            for point symbols. If the symbol fits the given rect,
1398            None is returned.
1399            """
1400    
1401          assert dc is not None          assert dc is not None
1402          assert isinstance(prop, ClassGroupProperties)          assert isinstance(prop, ClassGroupProperties)
# Line 1346  class ClassDataPreviewer: Line 1436  class ClassDataPreviewer:
1436    
1437          elif shapeType == SHAPETYPE_POINT:          elif shapeType == SHAPETYPE_POINT:
1438    
1439              dc.DrawCircle(x + w/2, y + h/2,              dc.DrawCircle(x + w/2, y + h/2, prop.GetSize())
1440                            (min(w, h) - prop.GetLineWidth())/2)              circle_size =  prop.GetSize() * 2 + prop.GetLineWidth() * 2
1441                new_h = h
1442                new_w = w
1443                if h < circle_size: new_h = circle_size
1444                if w < circle_size: new_w = circle_size
1445                if new_h > h or new_w > w:
1446                    return (new_w, new_h)
1447    
1448          elif shapeType == SHAPETYPE_POLYGON:          elif shapeType == SHAPETYPE_POLYGON:
1449              dc.DrawRectangle(x, y, w, h)              dc.DrawRectangle(x, y, w, h)
1450    
1451            return None
1452    
1453  class ClassRenderer(wxPyGridCellRenderer):  class ClassRenderer(wxPyGridCellRenderer):
1454        """A wrapper class that can be used to draw group properties in a
1455        grid table.
1456        """
1457    
1458      def __init__(self, shapeType):      def __init__(self, shapeType):
1459          wxPyGridCellRenderer.__init__(self)          wxPyGridCellRenderer.__init__(self)
# Line 1370  class ClassRenderer(wxPyGridCellRenderer Line 1471  class ClassRenderer(wxPyGridCellRenderer
1471                           rect.GetWidth(), rect.GetHeight())                           rect.GetWidth(), rect.GetHeight())
1472    
1473          if not isinstance(data, ClassGroupMap):          if not isinstance(data, ClassGroupMap):
1474              self.previewer.Draw(dc, rect, data.GetProperties(), self.shapeType)              new_size = self.previewer.Draw(dc, rect, data.GetProperties(),
1475                                               self.shapeType)
1476                if new_size is not None:
1477                    (new_w, new_h) = new_size
1478                    grid.SetRowSize(row, new_h)
1479                    grid.SetColSize(col, new_h)
1480                    grid.ForceRefresh()
1481    
1482                    # now that we know the height, redraw everything
1483                    rect.SetHeight(new_h)
1484                    rect.SetWidth(new_w)
1485                    dc.DestroyClippingRegion()
1486                    dc.SetClippingRegion(rect.GetX(), rect.GetY(),
1487                                         rect.GetWidth(), rect.GetHeight())
1488                    dc.SetPen(wxPen(wxLIGHT_GREY))
1489                    dc.SetBrush(wxBrush(wxLIGHT_GREY, wxSOLID))
1490                    dc.DrawRectangle(rect.GetX(), rect.GetY(),
1491                                     rect.GetWidth(), rect.GetHeight())
1492                    self.previewer.Draw(dc, rect, data.GetProperties(),
1493                                        self.shapeType)
1494    
1495          if isSelected:          if isSelected:
1496              dc.SetPen(wxPen(wxBLACK, 1, wxSOLID))              dc.SetPen(wxPen(wxBLACK, 1, wxSOLID))
# Line 1383  class ClassRenderer(wxPyGridCellRenderer Line 1503  class ClassRenderer(wxPyGridCellRenderer
1503    
1504    
1505  class ClassGroupPropertiesCtrl(wxWindow, wxControl):  class ClassGroupPropertiesCtrl(wxWindow, wxControl):
1506        """A custom window and control that draw a preview of group properties
1507        and can open a dialog to modify the properties if the user double-clicks
1508        it.
1509        """
1510    
1511      def __init__(self, parent, id, props, shapeType,      def __init__(self, parent, id, props, shapeType,
1512                   size = wxDefaultSize, style = 0):                   size = wxDefaultSize, style = 0):
# Line 1429  class ClassGroupPropertiesCtrl(wxWindow, Line 1553  class ClassGroupPropertiesCtrl(wxWindow,
1553          self.Refresh()          self.Refresh()
1554    
1555      def AllowEdit(self, allow):      def AllowEdit(self, allow):
1556            """Allow/Disallow double-clicking on the control."""
1557          self.allowEdit = allow          self.allowEdit = allow
1558    
1559      def DoEdit(self):      def DoEdit(self):
1560            """Open the properties selector dialog."""
1561    
1562          if not self.allowEdit: return          if not self.allowEdit: return
1563    
1564          propDlg = SelectPropertiesDialog(self.parent,          propDlg = SelectPropertiesDialog(self.parent,
# Line 1447  class ClassGroupPropertiesCtrl(wxWindow, Line 1574  class ClassGroupPropertiesCtrl(wxWindow,
1574    
1575      def _OnLeftDClick(self, event):      def _OnLeftDClick(self, event):
1576          self.DoEdit()          self.DoEdit()
1577    
1578    from Thuban.UI.mainwindow import layer_properties_dialogs
1579    layer_properties_dialogs.add(Layer, Classifier)
1580    layer_properties_dialogs.add(RasterLayer, Classifier)
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