Bug 178105 [Viewers] Cell highlighting not customizable for users
I just tried to make implement a TableCursor stragety and found that we need maybe some more API. I'm not happy with the setup-methods but currently maybe Boris has an idea.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellNavigationStrategy.java
* @return <code>true</code> if this event triggers collapsing of a node
	 */
	public boolean isCollapseEvent(ColumnViewer viewer, ViewerCell cellToCollapse, Event event) {
		return false;
	}
	/**
	 * @param viewer
	 *            the viewer we are working for
	 * @param cellToExpand the cell to expand
	 * @param event
	 *            the key event
	 * @return <code>true</code> if this event triggers expanding of a node
	 */
	public boolean isExpandEvent(ColumnViewer viewer, ViewerCell cellToExpand, Event event) {
		return false;
	}
	/**
	 * @param viewer
	 *            the viewer working for
	 * @param cellToExpand
	 *            the cell the user wants to expand
	 * @param event
	 *            the event triggering the exansion
	 */
	public void expand(ColumnViewer viewer, ViewerCell cellToExpand, Event event) {
	}
	/**
	 * @param viewer
	 *            the viewer working for
	 * @param cellToCollapse