Bug 17396 Organize import on multiple CUs flickers
20020521 Should use a WorkspaceModifyOperation
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/OrganizeImportsAction.java
private JavaEditor fEditor;
	/* (non-Javadoc)
	 * Class implements IObjectActionDelegate
	 */
	public static class ObjectDelegate implements IObjectActionDelegate {
		private OrganizeImportsAction fAction;
		public void setActivePart(IAction action, IWorkbenchPart targetPart) {
			fAction= new OrganizeImportsAction(targetPart.getSite());
		}
		public void run(IAction action) {
			fAction.run();
		}
		public void selectionChanged(IAction action, ISelection selection) {
			if (fAction == null)
				action.setEnabled(false);
		}
	}
	public OrganizeImportsAction(IWorkbenchSite site) {
		super(site);
		setText(ActionMessages.getString("OrganizeImportsAction.label")); 
		setToolTipText(ActionMessages.getString("OrganizeImportsAction.tooltip"));