Bug 184356 "Ctrl+c", "Ctrl+v" and Delete does not work for scripted data source [0704]
Description: "Ctrl+c", "Ctrl+v" and Delete does not work for script data source. Build number: 2.2.0.v20070426-0630 Steps to reproduce: 1. New a Scripted data source. 2. Select the data source in Data Explorer View, use "Ctrl+c", "Ctrl+v" and Delete. Expected result: These all work. Actual result: These simply do not work. Error log: N/A
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.java
{
			fIsHandlingActivation = false;
		}
	}
	/**
	 * check the input is modify by file system.
	 * 
	 * @param input
	 */
	protected void sanityCheckState( IEditorInput input )
	{
		if ( fModificationStamp == -1 )
		{
			fModificationStamp = getModificationStamp( input );
		}
		long stamp = getModificationStamp( input );
		if ( stamp != fModificationStamp )
		{
			
			
			fModificationStamp = stamp;
			handleEditorInputChanged( );
		}
	}
	/**
	 * Handles an external change of the editor's input element. Subclasses may
	 * extend.
	 */
	protected void handleEditorInputChanged( )
	{