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
Enumeration elements = htActions.elements( );
				while ( elements.hasMoreElements( ) )
				{
					SQLEditorAction action = (SQLEditorAction) elements.nextElement( );
					action.update( );
				}
			}
		} );
		widget.setMenu( menu );
	}
	/**
	 * 
	 * @param id
	 * @param viewer
	 * @param name
	 * @param operation
	 * @return
	 */
	private final SQLEditorAction getAction( String id, SourceViewer viewer,
			String name, int operation )
	{
		SQLEditorAction action = (SQLEditorAction) htActions.get( id );
		if ( action == null )
		{
			action = new SQLEditorAction( viewer, name, operation );
			htActions.put( id, action );
		}
		return action;
	}
    /* (non-Javadoc)