Bug 84573 Copy/Paste Problems with nightly build (20040207)
I am doing some testing with the nightly build (20040207) and I was copy some text from a Java editor to the launch configuration dialog. When I tried to paste the text into the dialog, it was pasted back into the editor. This could be an SWT problem but Tod felt that it may also be related to the Command rework so I'm giving it to UI to start with.
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
*/
	public final void contextManagerChanged(
			final ContextManagerEvent contextManagerEvent) {
		if (contextManagerEvent.haveActiveContextsChanged()) {
			clearSolution();
		}
	}
	/**
	 * <p>
	 * Creates a tree of context identifiers, representing the hierarchical
	 * structure of the given contexts. The tree is structured as a mapping from
	 * child to parent.
	 * </p>
	 * <p>
	 * This method completes in <code>O(n)</code>, where <code>n</code> is
	 * the height of the context tree.
	 * </p>
	 * 
	 * @param contextIds
	 *            The set of context identifiers to be converted into a tree;
	 *            must not be <code>null</code>.
	 * @return The tree of contexts to use; may be empty, but never
	 *         <code>null</code>. The keys and values are both strings.
	 */
	private final Map createContextTreeFor(final Set contextIds) {
		final Map contextTree = new HashMap();
		final Iterator contextIdItr = contextIds.iterator();
		while (contextIdItr.hasNext()) {
			String childContextId = (String) contextIdItr.next();
			while (childContextId != null) {