Bug 132103 No objects under Context in palette when scripting a data set
Steps to reproduce: 1.New a data set and select it 2.Swith to script view, choose "onFetch" and open palette Expected result: Objects:this, row and reportContext should be given under Context And other objects available for other methods(e.g. BeforeOpen) should be there as well. Actual result: Nothing under Context The relative bug is #126110
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
return decStr;
	}
	/**
	 * @param transferSource
	 * @return true if parameter is parameter group.
	 */
	public static boolean isParameterGroup( Object transferSource )
	{
		return ( transferSource instanceof IDesignElement && ( (IDesignElement) transferSource )
				.getDefn( ).getName( ).equals(
						ReportDesignConstants.PARAMETER_GROUP_ELEMENT ) );
	}
	/**
	 * @return Alphabetically sortted styles list.
	 */
	public static Iterator getStyles( )
	{
		return getStyles( new AlphabeticallyComparator( ) );
	}
	/**
	 * @param comparator
	 * @return return styles list sortted with given comparator.
	 */
	public static Iterator getStyles( Comparator comparator )
	{
		List styles = SessionHandleAdapter.getInstance( )
				.getReportDesignHandle( ).getAllStyles( );
		Object[] stylesArray = styles.toArray( );
		if ( comparator != null )
		{