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.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
availableDbObjectsTree.addMouseListener(new MouseAdapter() {
			public void mouseDoubleClick(MouseEvent e) 
			{
				populateEventData( e );
				insertText( (String) e.data );
			}
		});
		availableDbObjectsTree.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
			  if ( event.widget.getClass() != null )
				 handleAvailabeTreeSelection();
			}
			private void handleAvailabeTreeSelection() {
				TreeItem items[] = availableDbObjectsTree.getSelection();	
				for ( int i = 0; i <items.length; i++ )
				{
					if ( items[i].getGrayed() )
					{
						availableDbObjectsTree.setRedraw(false);
						availableDbObjectsTree.deselectAll();
						availableDbObjectsTree.setRedraw(true);	
						availableDbObjectsTree.redraw();	
					}
				}
			}
		  });
		
		
		Group selectTableGroup = new Group(tablescomposite, SWT.FILL);
		{