The wxPython tutorial

http://www.zetcode.com/wxpython/tips/def redo(self):self.UndoSize = ID_COLSIZEself.sheet.SetColSize(self.pos, self.RedoSize)self.sheet.ForceRefresh()class UndoRowSize:def __init__(self, sheet, position, size):self.sheet = sheetself.pos = positionself.RedoSize = sizeself.UndoSize = ID_ROWSIZEdef undo(self):self.RedoSize = self.sheet.GetRowSize(self.pos)self.sheet.SetRowSize(self.pos, self.UndoSize)self.sheet.ForceRefresh()def redo(self):self.UndoSize = ID_ROWSIZEself.sheet.SetRowSize(self.pos, self.RedoSize)self.sheet.ForceRefresh()class MySheet(CSheet):instance = 0def __init__(self, parent):CSheet.__init__(self, parent)self.SetRowLabelAlignment(wx.ALIGN_CENTRE, wx.ALIGN_CENTRE)self.text = ''def OnCellChange(self, event):toolbar = self.GetParent().toolbarif (toolbar.GetToolEnabled(ID_UNDO) == False):toolbar.EnableTool(ID_UNDO, True)r = event.GetRow()c = event.GetCol()text = self.GetCellValue(r, c)# self.text - text before change# text - text after changeundo = UndoText(self, self.text, text, r, c)stockUndo.append(undo)if stockRedo:# this might be surprising, but it is a standard behaviour# in all spreadsheetsdel stockRedo[:]toolbar.EnableTool(ID_REDO, False)def OnColSize(self, event):toolbar = self.GetParent().toolbarif (toolbar.GetToolEnabled(ID_UNDO) == False):toolbar.EnableTool(ID_UNDO, True)pos = event.GetRowOrCol()size = self.GetColSize(pos)undo = UndoColSize(self, pos, size)7 de 15 27/04/2008 1:09