/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/tableview.py
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revision 34 by bh, Thu Sep 6 15:32:56 2001 UTC revision 279 by bh, Mon Aug 26 15:06:01 2002 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001 by Intevation GmbH  # Copyright (c) 2001, 2002 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4  #  #
# Line 106  class TableGrid(wxGrid, Publisher): Line 106  class TableGrid(wxGrid, Publisher):
106    
107          # The second parameter means that the grid is to take ownership          # The second parameter means that the grid is to take ownership
108          # of the table and will destroy it when done. Otherwise you          # of the table and will destroy it when done. Otherwise you
109          # would need to keep a reference to it and call it's Destroy          # would need to keep a reference to it and call its Destroy
110          # method later.          # method later.
111          self.SetTable(self.table, true)          self.SetTable(self.table, true)
112    
113          #self.SetMargins(0,0)          #self.SetMargins(0,0)
114          self.AutoSizeColumns(false)  
115            # AutoSizeColumns would allow us to make the grid have optimal
116            # column widths automatically but it would cause a traversal of
117            # the entire table which for large .dbf files can take a very
118            # long time.
119            #self.AutoSizeColumns(false)
120    
121          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(wxGrid.wxGridSelectRows)
122            
123          EVT_GRID_RANGE_SELECT(self, self.OnRangeSelect)          EVT_GRID_RANGE_SELECT(self, self.OnRangeSelect)
124          EVT_GRID_SELECT_CELL(self, self.OnSelectCell)          EVT_GRID_SELECT_CELL(self, self.OnSelectCell)
125    
# Line 128  class TableGrid(wxGrid, Publisher): Line 133  class TableGrid(wxGrid, Publisher):
133      def OnSelectCell(self, event):      def OnSelectCell(self, event):
134          self.issue(ROW_SELECTED, event.GetRow())          self.issue(ROW_SELECTED, event.GetRow())
135    
136    
137    class LayerTableGrid(TableGrid):
138    
139        """Table grid for the layer tables.
140    
141        The LayerTableGrid is basically the same as a TableGrid but it's
142        selection is usually coupled to the selected object in the map.
143        """
144    
145      def select_shape(self, layer, shape):      def select_shape(self, layer, shape):
146            """Select the row corresponding to the specified shape and layer
147    
148            If layer is not the layer the table is associated with do
149            nothing. If shape or layer is None also do nothing.
150            """
151          if layer is not None and layer.table is self.table.table \          if layer is not None and layer.table is self.table.table \
152             and shape is not None:             and shape is not None:
153              self.SelectRow(shape)              self.SelectRow(shape)
# Line 140  class TableFrame(NonModalDialog): Line 159  class TableFrame(NonModalDialog):
159    
160      """Frame that displays a Thuban table in a grid view"""      """Frame that displays a Thuban table in a grid view"""
161    
162      def __init__(self, parent, interactor, name, title, layer = None,      def __init__(self, parent, interactor, name, title, table):
                  table = None):  
163          NonModalDialog.__init__(self, parent, interactor, name, title)          NonModalDialog.__init__(self, parent, interactor, name, title)
         self.layer = layer  
164          self.table = table          self.table = table
165          self.grid = TableGrid(self, table)          self.grid = self.make_grid(self.table)
166    
167        def make_grid(self, table):
168            """Return the table grid to use in the frame.
169    
170            The default implementation returns a TableGrid instance.
171            Override in derived classes to use different grid classes.
172            """
173            return TableGrid(self, table)
174    
175    
176    class LayerTableFrame(TableFrame):
177    
178        """Frame that displays a layer table in a grid view
179    
180        A LayerTableFrame is TableFrame whose selection is connected to the
181        selected object in a map.
182        """
183    
184        def __init__(self, parent, interactor, name, title, layer, table):
185            TableFrame.__init__(self, parent, interactor, name, title, table)
186            self.layer = layer
187          self.grid.Subscribe(ROW_SELECTED, self.row_selected)          self.grid.Subscribe(ROW_SELECTED, self.row_selected)
188          self.interactor.Subscribe(SELECTED_SHAPE, self.select_shape)          self.interactor.Subscribe(SELECTED_SHAPE, self.select_shape)
189    
190        def make_grid(self, table):
191            """Override the derived method to return a LayerTableGrid.
192            """
193            return LayerTableGrid(self, table)
194    
195      def OnClose(self, event):      def OnClose(self, event):
196          self.interactor.Unsubscribe(SELECTED_SHAPE, self.select_shape)          self.interactor.Unsubscribe(SELECTED_SHAPE, self.select_shape)
197          NonModalDialog.OnClose(self, event)          TableFrame.OnClose(self, event)
198    
199      def select_shape(self, layer, shape):      def select_shape(self, layer, shape):
200          self.grid.select_shape(layer, shape)          self.grid.select_shape(layer, shape)
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