/[thuban]/trunk/thuban/Thuban/UI/classifier.py
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revision 2551 by jonathan, Thu Jan 27 14:19:41 2005 UTC revision 2688 by frank, Fri Jun 30 12:27:20 2006 UTC
# Line 1  Line 1 
1  # Copyright (c) 2003-2004 by Intevation GmbH  # Copyright (c) 2003-2005 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jan-Oliver Wagner <[email protected]> (2003-2004)  # Jan-Oliver Wagner <[email protected]> (2003-2004)
4  # Martin Schulze <[email protected]> (2004)  # Martin Schulze <[email protected]> (2004)
5  # Frank Koormann <[email protected]> (2003)  # Frank Koormann <[email protected]> (2003, 2006)
6  # Bernhard Herzog <[email protected]> (2003)  # Bernhard Herzog <[email protected]> (2003)
7  # Jonathan Coles <[email protected]> (2003)  # Jonathan Coles <[email protected]> (2003)
8  #  #
# Line 16  __version__ = "$Revision$" Line 16  __version__ = "$Revision$"
16  # $Id$  # $Id$
17    
18  import copy  import copy
19    import re
20    
21  from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \  from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \
22       FIELDTYPE_STRING       FIELDTYPE_STRING
# Line 30  from Thuban.Model.messages import MAP_LA Line 31  from Thuban.Model.messages import MAP_LA
31  from Thuban.Model.range import Range  from Thuban.Model.range import Range
32  from Thuban.Model.classification import \  from Thuban.Model.classification import \
33      Classification, ClassGroupDefault, \      Classification, ClassGroupDefault, \
34      ClassGroupSingleton, ClassGroupRange, ClassGroupMap, \      ClassGroupSingleton, ClassGroupPattern, ClassGroupRange, ClassGroupMap, \
35      ClassGroupProperties      ClassGroupProperties
36    
37  from Thuban.Model.color import Transparent  from Thuban.Model.color import Transparent
# Line 44  from Thuban.UI.colordialog import ColorD Line 45  from Thuban.UI.colordialog import ColorD
45  from Thuban.UI.layerproperties import LayerProperties  from Thuban.UI.layerproperties import LayerProperties
46  from messages import MAP_REPLACED  from messages import MAP_REPLACED
47    
 ID_CLASS_TABLE = 40011  
   
48    
49  # table columns  # table columns
50  COL_VISIBLE = 0  COL_VISIBLE = 0
# Line 75  class ClassGrid(wxGrid): Line 74  class ClassGrid(wxGrid):
74          clazz -- the working classification that this grid should          clazz -- the working classification that this grid should
75                   use for display.                   use for display.
76          """          """
77            wxGrid.__init__(self, parent, -1, style = 0)
         wxGrid.__init__(self, parent, ID_CLASS_TABLE, style = 0)  
78    
79          self.classifier = classifier          self.classifier = classifier
80    
# Line 87  class ClassGrid(wxGrid): Line 85  class ClassGrid(wxGrid):
85          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)          EVT_GRID_SELECT_CELL(self, self._OnSelectedCell)
86          EVT_GRID_COL_SIZE(self, self._OnCellResize)          EVT_GRID_COL_SIZE(self, self._OnCellResize)
87          EVT_GRID_ROW_SIZE(self, self._OnCellResize)          EVT_GRID_ROW_SIZE(self, self._OnCellResize)
88            EVT_GRID_LABEL_RIGHT_CLICK(self, self._OnLabelRightClicked)
89    
90    
91      #def GetCellAttr(self, row, col):      #def GetCellAttr(self, row, col):
92          #print "GetCellAttr ", row, col          #print "GetCellAttr ", row, col
# Line 161  class ClassGrid(wxGrid): Line 161  class ClassGrid(wxGrid):
161              group = self.GetTable().GetClassGroup(sel[0])              group = self.GetTable().GetClassGroup(sel[0])
162              if isinstance(group, ClassGroupDefault):              if isinstance(group, ClassGroupDefault):
163                  wxMessageDialog(self,                  wxMessageDialog(self,
164                                  "The Default group cannot be removed.",                                  _("The Default group cannot be removed."),
165                                  style = wxOK | wxICON_EXCLAMATION).ShowModal()                                  style = wxOK | wxICON_EXCLAMATION).ShowModal()
166                  return                  return
167                    
# Line 259  class ClassGrid(wxGrid): Line 259  class ClassGrid(wxGrid):
259          self.FitInside()          self.FitInside()
260          event.Skip()          event.Skip()
261    
262        def _OnLabelRightClicked(self, event):
263            """Process right click on label, raise popup for row labels."""
264            row, col = event.GetRow(), event.GetCol()
265            if col == -1:
266                self.labelPopup(event, row)
267    
268        def labelPopup(self, event, row):
269            """Raise grid label popup."""
270            # check if row label is Pattern or Singleton
271            label = self.GetRowLabelValue(row)
272            if (label == _("Pattern") or label == _("Singleton")):
273                xe,ye = event.GetPosition()
274                x=self.GetRowSize(row)/2
275                menu = wxMenu()
276                patternID = wxNewId()
277                singletonID = wxNewId()
278    
279                def _SetSingleton(event, self=self, row=row):
280                    table = self.GetTable()
281                    group = table.clazz.GetGroup(row - 1)
282                    if not isinstance(group, ClassGroupSingleton):
283                        ngroup = ClassGroupSingleton(
284                                    group.GetPattern(),
285                                    group.GetProperties(),
286                                    group.GetLabel()
287                                    )
288                        table.SetClassGroup(row, ngroup)
289                            
290                def _SetPattern(event, self=self, row=row):
291                    table = self.GetTable()
292                    group = table.clazz.GetGroup(row - 1)
293                    if not isinstance(group, ClassGroupPattern):
294                        try:
295                            re.compile(group.GetValue())
296                        except:
297                            pass
298                        else:
299                            ngroup = ClassGroupPattern(
300                                    group.GetValue(),
301                                    group.GetProperties(),
302                                    group.GetLabel()
303                                    )
304                            table.SetClassGroup(row, ngroup)
305    
306                menu.Append(singletonID, _("Singleton"))
307                EVT_MENU(self, singletonID, _SetSingleton)
308                if self.GetTable().fieldType == FIELDTYPE_STRING:
309                    menu.Append(patternID, _("Pattern"))
310                    EVT_MENU(self, patternID, _SetPattern)
311                self.PopupMenu(menu, wxPoint(x,ye))
312                menu.Destroy()
313    
314  class ClassTable(wxPyGridTableBase):  class ClassTable(wxPyGridTableBase):
315      """Represents the underlying data structure for the grid."""      """Represents the underlying data structure for the grid."""
316    
# Line 412  class ClassTable(wxPyGridTableBase): Line 464  class ClassTable(wxPyGridTableBase):
464              group = self.clazz.GetGroup(row - 1)              group = self.clazz.GetGroup(row - 1)
465              if isinstance(group, ClassGroupDefault):   return _("Default")              if isinstance(group, ClassGroupDefault):   return _("Default")
466              if isinstance(group, ClassGroupSingleton): return _("Singleton")              if isinstance(group, ClassGroupSingleton): return _("Singleton")
467                if isinstance(group, ClassGroupPattern):   return _("Pattern")
468              if isinstance(group, ClassGroupRange):     return _("Range")              if isinstance(group, ClassGroupRange):     return _("Range")
469              if isinstance(group, ClassGroupMap):       return _("Map")              if isinstance(group, ClassGroupMap):       return _("Map")
470    
# Line 475  class ClassTable(wxPyGridTableBase): Line 528  class ClassTable(wxPyGridTableBase):
528              return _("DEFAULT")              return _("DEFAULT")
529          elif isinstance(group, ClassGroupSingleton):          elif isinstance(group, ClassGroupSingleton):
530              return group.GetValue()              return group.GetValue()
531            elif isinstance(group, ClassGroupPattern):
532                return group.GetPattern()
533          elif isinstance(group, ClassGroupRange):          elif isinstance(group, ClassGroupRange):
534              return group.GetRange()              return group.GetRange()
535    
# Line 486  class ClassTable(wxPyGridTableBase): Line 541  class ClassTable(wxPyGridTableBase):
541             (string, number, or range)             (string, number, or range)
542    
543          Returns a tuple (type, data) where type is 0 if data is          Returns a tuple (type, data) where type is 0 if data is
544          a singleton value, or 1 if is a range          a singleton value, 1 if is a range or 2 if it is a pattern.
545          """          """
546    
547          type = self.fieldType          type = self.fieldType
548    
549          if type == FIELDTYPE_STRING:          if type == FIELDTYPE_STRING:
550              return (0, value)              # Approach: if we can compile the value as an expression,
551                # make it a pattern, else a singleton.
552                # This is quite crude, however I don't have a better idea:
553                # How to distinct the singleton "Thuban" from the pattern "Thuban"?
554                try:
555                    re.compile(value)
556                except:
557                    return (0, value)
558                else:
559                    return (2, value)
560          elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE):          elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE):
561              if type == FIELDTYPE_INT:              if type == FIELDTYPE_INT:
562                  # the float call allows the user to enter 1.0 for 1                  # the float call allows the user to enter 1.0 for 1
# Line 576  class ClassTable(wxPyGridTableBase): Line 640  class ClassTable(wxPyGridTableBase):
640                              ngroup = ClassGroupRange(props = props)                              ngroup = ClassGroupRange(props = props)
641                              changed = True                              changed = True
642                          ngroup.SetRange(dataInfo[1])                          ngroup.SetRange(dataInfo[1])
643                        elif dataInfo[0] == 2:
644                            if not isinstance(group, ClassGroupPattern):
645                                ngroup = ClassGroupPattern(props = props)
646                                changed = True
647                            ngroup.SetPattern(dataInfo[1])
648                      else:                      else:
649                          assert False                          assert False
650                          pass                          pass
# Line 790  class Classifier(LayerProperties): Line 859  class Classifier(LayerProperties):
859              controlButtonBox.Add(button_moveup, 0, wxGROW|wxALL, 4)              controlButtonBox.Add(button_moveup, 0, wxGROW|wxALL, 4)
860              controlButtonBox.Add(button_movedown, 0, wxGROW|wxALL, 4)              controlButtonBox.Add(button_movedown, 0, wxGROW|wxALL, 4)
861              controlButtonBox.Add(button_edit, 0, wxGROW|wxALL, 4)              controlButtonBox.Add(button_edit, 0, wxGROW|wxALL, 4)
862              controlButtonBox.Add(60, 20, 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)              controlButtonBox.Add( (60, 20), 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4)
863              controlButtonBox.Add(button_remove, 0,              controlButtonBox.Add(button_remove, 0,
864                                   wxGROW|wxALL|wxALIGN_BOTTOM, 4)                                   wxGROW|wxALL|wxALIGN_BOTTOM, 4)
865    
# Line 1407  class ClassRenderer(wxPyGridCellRenderer Line 1476  class ClassRenderer(wxPyGridCellRenderer
1476          dc.DestroyClippingRegion()          dc.DestroyClippingRegion()
1477    
1478    
1479  class ClassGroupPropertiesCtrl(wxWindow, wxControl):  class ClassGroupPropertiesCtrl(wxControl):
1480      """A custom window and control that draw a preview of group properties      """A custom window and control that draw a preview of group properties
1481      and can open a dialog to modify the properties if the user double-clicks      and can open a dialog to modify the properties if the user double-clicks
1482      it.      it.
# Line 1415  class ClassGroupPropertiesCtrl(wxWindow, Line 1484  class ClassGroupPropertiesCtrl(wxWindow,
1484    
1485      def __init__(self, parent, id, props, shapeType,      def __init__(self, parent, id, props, shapeType,
1486                   size = wxDefaultSize, style = 0):                   size = wxDefaultSize, style = 0):
1487            wxControl.__init__(self, parent, id, size = size, style = style)
         wxWindow.__init__(self, parent, id, size = size, style = style)  
1488    
1489          self.parent = parent          self.parent = parent
1490    
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