Bug 199997 Edit Data Set Dialog problem
Description: In the "Edit data set" dialog, when drag vertical scroll bar in the Query page, the "User identifier quoting" will be hidden. Build version:2.2.0.v20070815-0630 Steps to reproduce: 1.Open "Edit data set" dialog, in the query page, drag the vertical scroll bar. 2.See the attached screenshot, the "User identifier quoting" will be hidden. Actual result: The "User identifier quoting" will be hidden. Expected result: "User identifier quoting" displays well. Error log: N/A.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
*/
	protected boolean isSchemaNode( TreeItem item )
	{
		if ( item != null && isSchemaSupported )
		{
			if ( item.getParentItem( ) == rootNode )
			{
				return true;
			}
		}
		return false;
	}
	/**
	 * refresh page
	 * 
	 */
	private void refreshPage( )
	{
		
		DataSourceDesign curDataSourceDesign = this.getDataSetDesign( )
				.getDataSourceDesign( );
		if ( curDataSourceDesign != prevDataSourceDesign  )
		{
			resetJdbcInfo( curDataSourceDesign );
			setPageLayout( );
			prevDataSourceDesign = curDataSourceDesign;			
		}
	}
	/**
	 * set the page's layout