laurent@604: #This library is free software; you can redistribute it and/or
laurent@604: #modify it under the terms of the GNU General Public
laurent@604: #License as published by the Free Software Foundation; either
laurent@604: #version 2.1 of the License, or (at your option) any later version.
laurent@604: #
laurent@604: #This library is distributed in the hope that it will be useful,
laurent@604: #but WITHOUT ANY WARRANTY; without even the implied warranty of
laurent@604: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
laurent@604: #General Public License for more details.
laurent@604: #
laurent@604: #You should have received a copy of the GNU General Public
laurent@604: #License along with this library; if not, write to the Free Software
laurent@604: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
laurent@604: 
laurent@604: import wx
laurent@604: import wx.grid
laurent@604: 
laurent@604: class CustomTable(wx.grid.PyGridTableBase):
laurent@604:     
laurent@604:     """
laurent@604:     A custom wx.grid.Grid Table using user supplied data
laurent@604:     """
laurent@604:     def __init__(self, parent, data, colnames):
laurent@604:         # The base class must be initialized *first*
laurent@604:         wx.grid.PyGridTableBase.__init__(self)
laurent@604:         self.data = data
laurent@604:         self.colnames = colnames
laurent@604:         self.Highlights = {}
laurent@604:         self.Parent = parent
laurent@604:         # XXX
laurent@604:         # we need to store the row length and collength to
laurent@604:         # see if the table has changed size
laurent@604:         self._rows = self.GetNumberRows()
laurent@604:         self._cols = self.GetNumberCols()
laurent@604:     
laurent@604:     def GetNumberCols(self):
laurent@604:         return len(self.colnames)
laurent@604:         
laurent@604:     def GetNumberRows(self):
laurent@604:         return len(self.data)
laurent@604: 
laurent@604:     def GetColLabelValue(self, col, translate=True):
laurent@604:         if col < len(self.colnames):
laurent@604:             if translate:
laurent@604:                 return _(self.colnames[col])
laurent@604:             return self.colnames[col]
laurent@604: 
laurent@604:     def GetRowLabelValue(self, row, translate=True):
laurent@604:         return row
laurent@604: 
laurent@604:     def GetValue(self, row, col):
laurent@604:         if row < self.GetNumberRows():
laurent@604:             return self.data[row].get(self.GetColLabelValue(col, False), "")
laurent@604:     
laurent@604:     def SetValue(self, row, col, value):
laurent@604:         if col < len(self.colnames):
laurent@604:             self.data[row][self.GetColLabelValue(col, False)] = value
laurent@604:     
laurent@604:     def GetValueByName(self, row, colname):
laurent@604:         if row < self.GetNumberRows():
laurent@604:             return self.data[row].get(colname)
laurent@604: 
laurent@604:     def SetValueByName(self, row, colname, value):
laurent@604:         if row < self.GetNumberRows():
laurent@604:             self.data[row][colname] = value
laurent@604: 
laurent@604:     def ResetView(self, grid):
laurent@604:         """
laurent@604:         (wx.grid.Grid) -> Reset the grid view.   Call this to
laurent@604:         update the grid if rows and columns have been added or deleted
laurent@604:         """
laurent@604:         grid.BeginBatch()
laurent@604:         for current, new, delmsg, addmsg in [
laurent@604:             (self._rows, self.GetNumberRows(), wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED),
laurent@604:             (self._cols, self.GetNumberCols(), wx.grid.GRIDTABLE_NOTIFY_COLS_DELETED, wx.grid.GRIDTABLE_NOTIFY_COLS_APPENDED),
laurent@604:         ]:
laurent@604:             if new < current:
laurent@604:                 msg = wx.grid.GridTableMessage(self,delmsg,new,current-new)
laurent@604:                 grid.ProcessTableMessage(msg)
laurent@604:             elif new > current:
laurent@604:                 msg = wx.grid.GridTableMessage(self,addmsg,new-current)
laurent@604:                 grid.ProcessTableMessage(msg)
laurent@604:                 self.UpdateValues(grid)
laurent@604:         grid.EndBatch()
laurent@604: 
laurent@604:         self._rows = self.GetNumberRows()
laurent@604:         self._cols = self.GetNumberCols()
laurent@604:         # update the column rendering scheme
laurent@604:         self._updateColAttrs(grid)
laurent@604: 
laurent@604:         # update the scrollbars and the displayed part of the grid
laurent@604:         grid.AdjustScrollbars()
laurent@604:         grid.ForceRefresh()
laurent@604: 
laurent@604:     def UpdateValues(self, grid):
laurent@604:         """Update all displayed values"""
laurent@604:         # This sends an event to the grid table to update all of the values
laurent@604:         msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_REQUEST_VIEW_GET_VALUES)
laurent@604:         grid.ProcessTableMessage(msg)
laurent@604: 
laurent@604:     def _updateColAttrs(self, grid):
laurent@604:         """
laurent@604:         wx.grid.Grid -> update the column attributes to add the
laurent@604:         appropriate renderer given the column name.
laurent@604: 
laurent@604:         Otherwise default to the default renderer.
laurent@604:         """
laurent@604:         for row in range(self.GetNumberRows()):
laurent@604:             row_highlights = self.Highlights.get(row, {})
laurent@604:             for col in range(self.GetNumberCols()):
laurent@606:                 colname = self.GetColLabelValue(col, False)
laurent@606:                 
laurent@604:                 grid.SetReadOnly(row, col, True)
laurent@604:                 grid.SetCellEditor(row, col, None)
laurent@604:                 grid.SetCellRenderer(row, col, None)
laurent@604:                 
laurent@604:                 highlight_colours = row_highlights.get(colname.lower(), [(wx.WHITE, wx.BLACK)])[-1]
laurent@604:                 grid.SetCellBackgroundColour(row, col, highlight_colours[0])
laurent@604:                 grid.SetCellTextColour(row, col, highlight_colours[1])
laurent@604:             self.ResizeRow(grid, row)
laurent@604:     
laurent@604:     def ResizeRow(self, grid, row):
laurent@604:         if wx.Platform == '__WXMSW__':
laurent@604:             grid.SetRowMinimalHeight(row, 20)
laurent@604:         else:
laurent@604:             grid.SetRowMinimalHeight(row, 28)
laurent@604:         grid.AutoSizeRow(row, False)
laurent@604:     
laurent@604:     def SetData(self, data):
laurent@604:         self.data = data
laurent@604:     
laurent@604:     def GetData(self):
laurent@604:         return self.data
laurent@604:     
laurent@604:     def GetCurrentIndex(self):
laurent@604:         return self.CurrentIndex
laurent@604:     
laurent@604:     def SetCurrentIndex(self, index):
laurent@604:         self.CurrentIndex = index
laurent@604:     
laurent@604:     def AppendRow(self, row_content):
laurent@604:         self.data.append(row_content)
laurent@604: 
laurent@604:     def InsertRow(self, index, row_content):
laurent@604:         self.data.insert(index, row_content)
laurent@604: 
laurent@604:     def MoveRow(self, row_index, move):
laurent@604:         new_index = max(0, min(row_index + move, len(self.data) - 1))
laurent@604:         if new_index != row_index:
laurent@604:             self.data.insert(new_index, self.data.pop(row_index))
laurent@604:         return new_index
laurent@604: 
laurent@604:     def RemoveRow(self, row_index):
laurent@604:         self.data.pop(row_index)
laurent@604: 
laurent@604:     def GetRow(self, row_index):
laurent@604:         return self.data[row_index]
laurent@604: 
laurent@604:     def Empty(self):
laurent@604:         self.data = []
laurent@604: 
laurent@604:     def AddHighlight(self, infos, highlight_type):
laurent@604:         row_highlights = self.Highlights.setdefault(infos[0], {})
laurent@604:         col_highlights = row_highlights.setdefault(infos[1], [])
laurent@604:         col_highlights.append(highlight_type)
laurent@604: 
laurent@604:     def ClearHighlights(self, highlight_type=None):
laurent@604:         if highlight_type is None:
laurent@604:             self.Highlights = {}
laurent@604:         else:
laurent@604:             for row, row_highlights in self.Highlights.iteritems():
laurent@604:                 row_items = row_highlights.items()
laurent@604:                 for col, col_highlights in row_items:
laurent@604:                     if highlight_type in col_highlights:
laurent@604:                         col_highlights.remove(highlight_type)
laurent@604:                     if len(col_highlights) == 0:
laurent@604:                         row_highlights.pop(col)