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
*      org.eclipse.ui.IEditorInput)
	 */
	public void init( IEditorSite site, IEditorInput input )
			throws PartInitException
	{
		super.init( site, input );
		
		
		
		site.setSelectionProvider( provider );
		IReportProvider provider = getProvider( );
		if ( provider != null && provider.getInputPath( input ) != null )
		{
			setPartName( provider.getInputPath( input ).lastSegment( ) );
			firePropertyChange( IWorkbenchPartConstants.PROP_PART_NAME );
		}
		else
		{
			setPartName( input.getName( ) );
			firePropertyChange( IWorkbenchPartConstants.PROP_PART_NAME );
		}
		
		SessionHandleAdapter.getInstance( )
				.getMediator( )
				.addGlobalColleague( this );
	}
	protected IReportProvider getProvider( )
	{
		if ( reportProvider == null )
		{