Bug 134988 [regression]Available items in Query didn't change when change data source in Edit Data Set Dialog.
Description: Available items in Query didn't change when change data source in Edit Data Set Dialog. Steps to reproduce: 1. New two different data sources. 2. New a dataset, change data source, view Available Items in Query pane. Expected result: Available Items in Query pane changed according to new Data source. Actual result: Available Items in Query pane kept unchanged.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/property/AbstractPropertyDialog.java
{
		
		
		Composite propertyContainer = new Composite( parent, SWT.NONE );
		GridLayout layout = new GridLayout( );
		layout.marginWidth = 0;
		layout.marginHeight = 0;
		propertyContainer.setLayout( layout );
		
		Composite titleComposite = new Composite( propertyContainer, SWT.NONE );
		layout = new GridLayout( );
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		layout.verticalSpacing = 0;
		layout.horizontalSpacing = 0;
		titleComposite.setLayout( layout );
		GridData titleLayoutData = new GridData( GridData.FILL_HORIZONTAL );
		titleLayoutData.horizontalIndent = IDialogConstants.HORIZONTAL_MARGIN;
		titleComposite.setLayoutData( titleLayoutData );
		if ( isTitleVisible( ) )
		{
			createTitleArea( titleComposite );
			Label separator = new Label( propertyContainer, SWT.HORIZONTAL
					| SWT.SEPARATOR );
			separator.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
					| GridData.GRAB_HORIZONTAL ) );
		}
		GridData data = new GridData( GridData.FILL_BOTH );
		propertyPane = new Composite( propertyContainer, SWT.NONE );
		propertyPane.setLayout( propertyPaneLayout );