Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
/**
	 * Adds one dispose listener. The duplicate listener will not be added.
	 * 
	 * @param listener
	 *            the dispose listener to add
	 */
	public void addDisposeListener( IDisposeListener listener )
	{
		if ( disposeListeners == null )
			disposeListeners = new ArrayList( );
		if ( !disposeListeners.contains( listener ) )
			disposeListeners.add( listener );
	}
	/**
	 * Adds one resource change listener. The duplicate listener will not be
	 * added.
	 * 
	 * @param listener
	 *            the resource change listener to add
	 */
	public void addResourceChangeListener( IResourceChangeListener listener )
	{
		if ( resourceChangeListeners == null )
			resourceChangeListeners = new ArrayList( );
		if ( !resourceChangeListeners.contains( listener ) )
			resourceChangeListeners.add( listener );
	}
	/**
	 * Removes one dispose listener. If the listener not registered, then the
	 * request is silently ignored.