/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/tableview.py
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revision 1091 by bh, Tue May 27 15:02:37 2003 UTC revision 1092 by bh, Wed May 28 17:10:04 2003 UTC
# Line 102  class DataTable(wxPyGridTableBase): Line 102  class DataTable(wxPyGridTableBase):
102          return self.CanGetValueAs(row, col, typeName)          return self.CanGetValueAs(row, col, typeName)
103    
104    
105    
106    class NullRenderer(wxPyGridCellRenderer):
107    
108        """Renderer that draws NULL as a gray rectangle
109    
110        Other values are delegated to a normal renderer which is given as
111        the parameter to the constructor.
112        """
113    
114        def __init__(self, non_null_renderer):
115            wxPyGridCellRenderer.__init__(self)
116            self.non_null_renderer = non_null_renderer
117    
118        def Draw(self, grid, attr, dc, rect, row, col, isSelected):
119            value = grid.table.GetValue(row, col)
120            if value is None:
121                dc.SetBackgroundMode(wxSOLID)
122                dc.SetBrush(wxBrush(wxColour(192, 192, 192), wxSOLID))
123                dc.SetPen(wxTRANSPARENT_PEN)
124                dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height)
125            else:
126                self.non_null_renderer.Draw(grid, attr, dc, rect, row, col,
127                                            isSelected)
128    
129        def GetBestSize(self, grid, attr, dc, row, col):
130            self.non_null_renderer.GetBestSize(grid, attr, dc, row, col)
131    
132        def Clone(self):
133            return NullRenderer(self.non_null_renderer)
134    
135    
136  class TableGrid(wxGrid, Publisher):  class TableGrid(wxGrid, Publisher):
137    
138      """A grid view for a Thuban table      """A grid view for a Thuban table
# Line 137  class TableGrid(wxGrid, Publisher): Line 168  class TableGrid(wxGrid, Publisher):
168    
169          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(wxGrid.wxGridSelectRows)
170    
         #EVT_GRID_RANGE_SELECT(self, None)  
         #EVT_GRID_SELECT_CELL(self, None)  
         #EVT_GRID_RANGE_SELECT(self, self.OnRangeSelect)  
         #EVT_GRID_SELECT_CELL(self, self.OnSelectCell)  
   
171          self.ToggleEventListeners(True)          self.ToggleEventListeners(True)
172    
173            # Replace the normal renderers with our own versions which
174            # render NULL/None values specially
175            self.RegisterDataType(wxGRID_VALUE_STRING,
176                                  NullRenderer(wxGridCellStringRenderer()), None)
177            self.RegisterDataType(wxGRID_VALUE_NUMBER,
178                                  NullRenderer(wxGridCellNumberRenderer()), None)
179            self.RegisterDataType(wxGRID_VALUE_FLOAT,
180                                  NullRenderer(wxGridCellFloatRenderer()), None)
181    
182      def SetTableObject(self, table):      def SetTableObject(self, table):
183          self.table.SetTable(table)          self.table.SetTable(table)
184    
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