Bug 120215 BPS 40 - DE changes
1. all report elements' properties will be overidable with an expression. The binding expression will have access to report parameter, and static BIRT report objects only. 2) DE will provide api to get property binding expression for a given property on a report element handle. It's up to the engine to evaluate the property binding expression when the report gets executed. DE API changes -------------------------- a) DesignElementHandle will support the following two methods. - String (expression) GetPropertyBinding ( propertyName ) - void SetPropertyBinding( propertyName , String (expression) ) // Note get and set property methods are wrapper classes which actually use reportDesignHandle methods to retrive and set the property binding. b) rom.def changes Property bindings contains a list of binding expressions. ReportDesign element will be enhanced to support a new property called. <Property canInherit="false" detailType="propertyBinding" displayNameID="Element.Module.propertyBindings" isList="true" name="propertyBindings" type="structure"/> A new datatype - <Structure name="propertybinding"> <Member name="name" since="2.0" type="name"/> <Member name="id" returnType="any" since="2.0" type="string"/> // Use the unique id used to identify an element. <Member name="value" returnType="string" since="2.0" type="expression"/> </Structure>
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
* <li>FULL_LABEL: Besides the return value of SHORT_LABEL, this option
	 * says we need to return additional information. This information is
	 * specific to each kind of element and my include row and column position,
	 * x and y position and so on. To get this, every child element needs to
	 * overwrite this method</li>
	 * </ul>
	 * 
	 * @param level
	 *            the display label detail level
	 * @return the display label of this element in a given level
	 */
	public String getDisplayLabel( int level )
	{
		assert level == DesignElement.USER_LABEL
				|| level == DesignElement.SHORT_LABEL
				|| level == DesignElement.FULL_LABEL;
		return getElement( ).getDisplayLabel( module, level );
	}
	/**
	 * Sorts a list of elements by localized display name.
	 * 
	 * @param list
	 *            the list to sort
	 */
	public static void doSort( List list )
	{
		Collections.sort( list, new Comparator( ) {
			public int compare( Object arg0, Object arg1 )
			{
				DesignElementHandle h1 = (DesignElementHandle) arg0;