| 1 | from wxPython.wx import * |
| 2 | from wxPython.grid import * |
| 3 | |
| 4 | #--------------------------------------------------------------------------- |
| 5 | |
| 6 | class HugeTable(wxPyGridTableBase): |
| 7 | |
| 8 | """ |
| 9 | This is all it takes to make a custom data table to plug into a |
| 10 | wxGrid. There are many more methods that can be overridden, but |
| 11 | the ones shown below are the required ones. This table simply |
| 12 | provides strings containing the row and column values. |
| 13 | """ |
| 14 | |
| 15 | def __init__(self, log): |
| 16 | wxPyGridTableBase.__init__(self) |
| 17 | self.log = log |
| 18 | |
| 19 | def GetNumberRows(self): |
| 20 | return 10000 |
| 21 | |
| 22 | def GetNumberCols(self): |
| 23 | return 10000 |
| 24 | |
| 25 | def IsEmptyCell(self, row, col): |
| 26 | return false |
| 27 | |
| 28 | def GetValue(self, row, col): |
| 29 | return str( (row, col) ) |
| 30 | |
| 31 | def SetValue(self, row, col, value): |
| 32 | self.log.write('SetValue(%d, %d, "%s") ignored.\n' % (row, col, value)) |
| 33 | |
| 34 | |
| 35 | #--------------------------------------------------------------------------- |
| 36 | |
| 37 | |
| 38 | |
| 39 | class HugeTableGrid(wxGrid): |
| 40 | def __init__(self, parent, log): |
| 41 | wxGrid.__init__(self, parent, -1) |
| 42 | |
| 43 | table = HugeTable(log) |
| 44 | |
| 45 | # The second parameter means that the grid is to take ownership of the |
| 46 | # table and will destroy it when done. Otherwise you would need to keep |
| 47 | # a reference to it and call it's Destroy method later. |
| 48 | self.SetTable(table, true) |
| 49 | |
| 50 | |
| 51 | |
| 52 | #--------------------------------------------------------------------------- |
| 53 | |
| 54 | class TestFrame(wxFrame): |
| 55 | def __init__(self, parent, log): |
| 56 | wxFrame.__init__(self, parent, -1, "Huge (virtual) Table Demo", size=(640,480)) |
| 57 | grid = HugeTableGrid(self, log) |
| 58 | |
| 59 | grid.SetReadOnly(5,5, true) |
| 60 | |
| 61 | #--------------------------------------------------------------------------- |
| 62 | |
| 63 | if __name__ == '__main__': |
| 64 | import sys |
| 65 | app = wxPySimpleApp() |
| 66 | frame = TestFrame(None, sys.stdout) |
| 67 | frame.Show(true) |
| 68 | app.MainLoop() |
| 69 | |
| 70 | |
| 71 | #--------------------------------------------------------------------------- |