Bug 211647 [Workbench] 'Open Referenced Projects' dialog prompt ignores 'esc' key
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/OpenResourceAction.java
job.schedule();
	}
	/*
	 * (non-Javadoc) Method declared on WorkspaceAction.
	 */
	protected boolean shouldPerformResourcePruning() {
		return false;
	}
	/**
	 * The <code>OpenResourceAction</code> implementation of this
	 * <code>SelectionListenerAction</code> method ensures that this action is
	 * enabled only if one of the selections is a closed project.
	 */
	protected boolean updateSelection(IStructuredSelection s) {
		
		
		if (!selectionIsOfType(IResource.PROJECT)) {
			return false;
		}
		Iterator resources = getSelectedResources().iterator();
		while (resources.hasNext()) {
			IProject currentResource = (IProject) resources.next();
			if (!currentResource.isOpen()) {
				return true;
			}
		}
		return false;
	}
}