Bug 168381 Table from library has errors when the report is inside a folder.[01][0001]
Description: Table from library displays errors when the report is inside a folder. Build number:2.1.2.v20061218 and 2.2.0.v20061216 Steps to reproduce: 1. New a library file with datasource, dataset and table. 2. New a folder under the project, and then new a report inside the folder. 3. Drag the table from libray to the report, save and close the report. 4. Reopen the report. Expected result: Show table item in Layout. Actual result: A red box with error message inside as attached. 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( )
	{