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
{
	/**
	 * Property name for element labelContent.
	 */
	public static final String ELEMENT_LABELCONTENT_PROPERTY = "labelContent"; 
	private static HashMap propertiesMap = new HashMap( );
	private static ArrayList notSupportList = new ArrayList( );
	static
	{
		propertiesMap
				.put( LabelHandle.TEXT_PROP, ELEMENT_LABELCONTENT_PROPERTY );
		propertiesMap.put( TextItemHandle.CONTENT_PROP,
				ELEMENT_LABELCONTENT_PROPERTY );
		
		notSupportList.add( DesignEngine.getMetaDataDictionary( ).getElement(
				ReportDesignConstants.LINE_ITEM ) );
		notSupportList.add( DesignEngine.getMetaDataDictionary( ).getElement(
				ReportDesignConstants.TEMPLATE_REPORT_ITEM ) );
		notSupportList.add( DesignEngine.getMetaDataDictionary( ).getElement(