wxPython/demo/GridHugeTable.py

   1 # 11/6/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   2 #
   3 # o Updated for wx namespace
   4 #
   5
   6 import  wx
   7 import  wx.grid as  gridlib
   8
   9 #---------------------------------------------------------------------------
  10
  11 class HugeTable(gridlib.PyGridTableBase):
  12
  13     """
  14     This is all it takes to make a custom data table to plug into a
  15     wxGrid.  There are many more methods that can be overridden, but
  16     the ones shown below are the required ones.  This table simply
  17     provides strings containing the row and column values.
  18     """
  19
  20     def __init__(self, log):
  21         gridlib.PyGridTableBase.__init__(self)
  22         self.log = log
  23
  24         self.odd=gridlib.GridCellAttr()
  25         self.odd.SetBackgroundColour("sky blue")
  26         self.even=gridlib.GridCellAttr()
  27         self.even.SetBackgroundColour("sea green")
  28
  29     def GetAttr(self, row, col, kind):
  30         attr = [self.even, self.odd][row % 2]
  31         attr.IncRef()
  32         return attr
  33
  34     def GetNumberRows(self):
  35         return 10000
  36
  37     def GetNumberCols(self):
  38         return 10000
  39
  40     def IsEmptyCell(self, row, col):
  41         return False
  42
  43     def GetValue(self, row, col):
  44         return str( (row, col) )
  45
  46     def SetValue(self, row, col, value):
  47         self.log.write('SetValue(%d, %d, "%s") ignored.\n' % (row, col, value))
  48
  49
  50 #---------------------------------------------------------------------------
  51
  52
  53
  54 class HugeTableGrid(gridlib.Grid):
  55     def __init__(self, parent, log):
  56         gridlib.Grid.__init__(self, parent, -1)
  57
  58         table = HugeTable(log)
  59
  60         # The second parameter means that the grid is to take ownership of the
  61         # table and will destroy it when done.  Otherwise you would need to keep
  62         # a reference to it and call it's Destroy method later.
  63         self.SetTable(table, True)
  64
  65         self.Bind(gridlib.EVT_GRID_CELL_RIGHT_CLICK, self.OnRightDown)
  66
  67     def OnRightDown(self, event):
  68         print "hello"
  69         print self.GetSelectedRows()
  70
  71
  72 #---------------------------------------------------------------------------
  73
  74 class TestFrame(wx.Frame):
  75     def __init__(self, parent, log):
  76         wx.Frame.__init__(self, parent, -1, "Huge (virtual) Table Demo", size=(640,480))
  77         grid = HugeTableGrid(self, log)
  78
  79         grid.SetReadOnly(5,5, True)
  80
  81 #---------------------------------------------------------------------------
  82
  83 if __name__ == '__main__':
  84     import sys
  85     app = wx.PySimpleApp()
  86     frame = TestFrame(None, sys.stdout)
  87     frame.Show(True)
  88     app.MainLoop()
  89
  90
  91 #---------------------------------------------------------------------------