Bug 180089 BIRT model - TOC predefined styles
In ROM we need to support predefined styles for TOC too. This will allow user to easily create a TOC style, by creating one of two styles. Suggestion i have is - TOC ( Applies to all TOC nodes ) - TOC-level1 ( If defined applies to first level toc nodes ) - TOC-level2 ........... - TOC-level5
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/PropertyHandle.java
*            a handle to a report element
	 * @param prop
	 *            the definition of the property.
	 */
	public PropertyHandle( DesignElementHandle element, ElementPropertyDefn prop )
	{
		super( element );
		propDefn = prop;
	}
	
	public IElementPropertyDefn getPropertyDefn( )
	{
		return propDefn;
	}
	
	public IPropertyDefn getDefn( )
	{
		return propDefn;
	}
	
	public Object getValue( )
	{
		return elementHandle.getProperty( propDefn.getName( ) );
	}
	/**
	 * Implementation of abstract method defined in base class.
	 */
	public void setValue( Object value ) throws SemanticException
	{
		PropertyCommand cmd = new PropertyCommand( getModule( ), getElement( ) );