TDAT: 	public void editElement(Object element, int column) {
		if (cellEditor != null) {
			applyEditorValue();
		}

		IStructuredSelection structuredSelection;
		if (element instanceof TreePath) {
			structuredSelection = new TreeSelection((TreePath) element, viewer
					.getComparer());
		} else {
			structuredSelection = new StructuredSelection(element);
		}
		setSelection(structuredSelection, true);
		Item[] selection = getSelection();
		if (selection.length != 1) {
			return;
		}

		treeItem = selection[0];

		// Make sure selection is visible
		showSelection();
		columnNumber = column;
		activateCellEditor();

	}
 COM: <s> start editing the given element </s>