protected virtual void OnCellMouseDown(int col, int row, MouseEventArgs mouseEvent)
{
try {
switch (SelectState)
{
case GridSelectingState.None:
case GridSelectingState.Selected:
if (CanSelect(col, row))
{
SelectState = GridSelectingState.Selecting;
SelectionStart = Tuple.Create(col, row);
SelectionEnd = SelectionStart;
FireSelectingStarted(col, row);
FireSelecting(col, row);
}
break;
case GridSelectingState.Selecting:
default:
break;
}
} catch (Exception error) {
SystemLog.Exception(error);
ExceptionDialog.Show(this, error);
}
}
protected virtual void OnCellMouseUp(int col, int row, MouseEventArgs mouseEvent)
{
try {
const bool allowMultiColumnSelect = false;
switch (SelectState)
{
case GridSelectingState.Selecting:
col = allowMultiColumnSelect ? col : SelectionStart.Item1;
if (CanSelect(col, row))
{
SelectionEnd = Tuple.Create(col, row);
}
if (AcceptSelection(SelectionStart, SelectionEnd))
{
SelectState = GridSelectingState.Selected;
FireSelectionChanged(col, row);
FireSelectionFinished(SelectionStart.Item1, SelectionStart.Item2, col, row);
}
else
{
ClearSelection();
FireSelectionFinished(SelectionStart.Item1, SelectionStart.Item2, col, row);
}
break;
case GridSelectingState.Selected:
case GridSelectingState.None:
default:
break;
}
} catch (Exception error) {
SystemLog.Exception(error);
ExceptionDialog.Show(this, error);
}
}
public virtual void ClearSelection()
{
SelectState = GridSelectingState.None;
SelectionStart = null;
SelectionEnd = null;
_grid.Selection.ResetSelection(false);
FireSelectionCleared();
}
public virtual void EndDragging()
{
SelectState = GridSelectingState.None;
}
