
import  wx
import  wx.grid

#---------------------------------------------------------------------------

class SimpleGrid(wx.grid.Grid):
    def __init__(self, parent, log):
        wx.grid.Grid.__init__(self, parent, -1)
        self.log = log
        self.CreateGrid(25, 25)

        self.SetCellValue(6, 3, "You can veto editing this cell")


        # test all the events
        self.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK, self.OnCellLeftClick)
        self.Bind(wx.grid.EVT_GRID_CELL_RIGHT_CLICK, self.OnCellRightClick)
        self.Bind(wx.grid.EVT_GRID_CELL_LEFT_DCLICK, self.OnCellLeftDClick)
        self.Bind(wx.grid.EVT_GRID_CELL_RIGHT_DCLICK, self.OnCellRightDClick)

        self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_CLICK, self.OnLabelLeftClick)
        self.Bind(wx.grid.EVT_GRID_LABEL_RIGHT_CLICK, self.OnLabelRightClick)
        self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_DCLICK, self.OnLabelLeftDClick)
        self.Bind(wx.grid.EVT_GRID_LABEL_RIGHT_DCLICK, self.OnLabelRightDClick)

        self.Bind(wx.grid.EVT_GRID_COL_SORT, self.OnGridColSort)

        self.Bind(wx.grid.EVT_GRID_ROW_SIZE, self.OnRowSize)
        self.Bind(wx.grid.EVT_GRID_COL_SIZE, self.OnColSize)

        self.Bind(wx.grid.EVT_GRID_RANGE_SELECT, self.OnRangeSelect)
        self.Bind(wx.grid.EVT_GRID_CELL_CHANGED, self.OnCellChange)
        self.Bind(wx.grid.EVT_GRID_SELECT_CELL, self.OnSelectCell)

        self.Bind(wx.grid.EVT_GRID_EDITOR_SHOWN, self.OnEditorShown)
        self.Bind(wx.grid.EVT_GRID_EDITOR_HIDDEN, self.OnEditorHidden)
        self.Bind(wx.grid.EVT_GRID_EDITOR_CREATED, self.OnEditorCreated)


    def OnCellLeftClick(self, evt):
        self.log.write("OnCellLeftClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnCellRightClick(self, evt):
        self.log.write("OnCellRightClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnCellLeftDClick(self, evt):
        self.log.write("OnCellLeftDClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnCellRightDClick(self, evt):
        self.log.write("OnCellRightDClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnLabelLeftClick(self, evt):
        self.log.write("OnLabelLeftClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnLabelRightClick(self, evt):
        self.log.write("OnLabelRightClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnLabelLeftDClick(self, evt):
        self.log.write("OnLabelLeftDClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnLabelRightDClick(self, evt):
        self.log.write("OnLabelRightDClick: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()

    def OnGridColSort(self, evt):
        self.log.write("OnGridColSort: %s %s" % (evt.GetCol(), self.GetSortingColumn()))
        self.SetSortingColumn(evt.GetCol())

    def OnRowSize(self, evt):
        self.log.write("OnRowSize: row %d, %s\n" %
                       (evt.GetRowOrCol(), evt.GetPosition()))
        evt.Skip()

    def OnColSize(self, evt):
        self.log.write("OnColSize: col %d, %s\n" %
                       (evt.GetRowOrCol(), evt.GetPosition()))
        evt.Skip()

    def OnRangeSelect(self, evt):
        if evt.Selecting():
            msg = 'Selected'
        else:
            msg = 'Deselected'
        self.log.write("OnRangeSelect: %s  top-left %s, bottom-right %s\n" %
                           (msg, evt.GetTopLeftCoords(), evt.GetBottomRightCoords()))
        evt.Skip()


    def OnCellChange(self, evt):
        self.log.write("OnCellChange: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))

        # Show how to stay in a cell that has bad data.  We can't just
        # call SetGridCursor here since we are nested inside one so it
        # won't have any effect.  Instead, set coordinates to move to in
        # idle time.
        value = self.GetCellValue(evt.GetRow(), evt.GetCol())

        if value == 'no good':
            self.moveTo = evt.GetRow(), evt.GetCol()


    def OnIdle(self, evt):
        if self.moveTo is not None:
            self.SetGridCursor(self.moveTo[0], self.moveTo[1])
            self.moveTo = None

        evt.Skip()


    def OnSelectCell(self, evt):
        if evt.Selecting():
            msg = 'Selected'
        else:
            msg = 'Deselected'
        self.log.write("OnSelectCell: %s (%d,%d) %s\n" %
                       (msg, evt.GetRow(), evt.GetCol(), evt.GetPosition()))

        # Another way to stay in a cell that has a bad value...
        row = self.GetGridCursorRow()
        col = self.GetGridCursorCol()

        if self.IsCellEditControlEnabled():
            self.HideCellEditControl()
            self.DisableCellEditControl()

        value = self.GetCellValue(row, col)

        if value == 'no good 2':
            return  # cancels the cell selection

        evt.Skip()


    def OnEditorShown(self, evt):
        if evt.GetRow() == 6 and evt.GetCol() == 3 and \
           wx.MessageBox("Are you sure you wish to edit this cell?",
                        "Checking", wx.YES_NO) == wx.NO:
            evt.Veto()
            return

        self.log.write("OnEditorShown: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()


    def OnEditorHidden(self, evt):
        if evt.GetRow() == 6 and evt.GetCol() == 3 and \
           wx.MessageBox("Are you sure you wish to  finish editing this cell?",
                        "Checking", wx.YES_NO) == wx.NO:
            evt.Veto()
            return

        self.log.write("OnEditorHidden: (%d,%d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetPosition()))
        evt.Skip()


    def OnEditorCreated(self, evt):
        self.log.write("OnEditorCreated: (%d, %d) %s\n" %
                       (evt.GetRow(), evt.GetCol(), evt.GetControl()))



#---------------------------------------------------------------------------

class TestFrame(wx.Frame):
    def __init__(self, parent, log):
        wx.Frame.__init__(self, parent, -1, "Simple Grid Demo", size=(640,480))
        self.grid = SimpleGrid(self, log)



#---------------------------------------------------------------------------

if __name__ == '__main__':
    import sys
    from wx.lib.mixins.inspection import InspectableApp
    app = InspectableApp(False)
    frame = TestFrame(None, sys.stdout)
    frame.Show(True)
    app.MainLoop()


#---------------------------------------------------------------------------


