Bug 125874 [create script] 'Select All' doesn't work
20060131 - Create script - Press 'Select All', nothing happens
org.eclipse.ltk.ui.refactoring/src/org/eclipse/ltk/internal/ui/refactoring/history/RefactoringHistoryControl.java
*            the element
		 * @return the children of the element
		 */
		private Object[] getChildren(final Object element) {
			return ((RefactoringHistoryContentProvider) getContentProvider()).getChildren(element);
		}
		/**
		 * Returns the parent of the specified element.
		 * 
		 * @param element
		 *            the element
		 * @return the parent of the element
		 */
		private Object getParent(final Object element) {
			return ((RefactoringHistoryContentProvider) getContentProvider()).getParent(element);
		}
		/**
		 * Propagates the checkstate of the specified element and its children.
		 * 
		 * @param element
		 *            the element
		 * @param children
		 *            the children
		 */
		private void propagateCheckState(final Object element, final Object[] children) {
			int checkCount= 0;
			for (int index= 0; index < children.length; index++) {
				if (getChecked(children[index]))
					checkCount++;
			}