Bug 152412 [Smoke]Insert,delete a master page, can not take effect
Insert,delete a master page, can not take effect Steps: 1.new a report 2.open outline view, insert a master page or delete a master page Actual Results 1.Can not take effect.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/parts/event/ModelEventManager.java
isPost = false;
		}
	}
	/**
	 * Clear the model event, when the model trans Roll back.
	 */
	protected void clearEvent( )
	{
		int size = listenerList.size( );
		for ( int i = 0; i < size; i++ )
		{
			IModelEventProcessor processor = (IModelEventProcessor) listenerList.get( i );
			processor.clear( );
		}
	}
	/**
	 * When post the event,  don't allow to change the model.So don't change the model when receive tje model event 
	 * or the processor change the model when collet the model event.Because Ecluipse don't allow new a thread to run freely
	 * ,don;t check the mulit_thread. If you must change the model when post the event, suggest use the Display.asyncExec.
	 * Ofcause can new a job to change the model event, but  suggest don't do it, anybody know the result. 
	 */
	
	
	private void checkStatus( )
	{
		if ( isPost )
		{
			throw new RuntimeException( "The event is post now" );
		}
	}