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
* @throws ContentException
	 *             if the content is not in the slot, or if the to position is
	 *             not valid.
	 */
	public void shift( DesignElementHandle content, int toPosn )
			throws ContentException
	{
		if ( content == null )
			return;
		ContentCommand cmd = new ContentCommand( getModule( ),
				new ContainerContext( getElement( ), propDefn.getName( ) ) );
		cmd.movePosition( content.getElement( ), toPosn );
	}
	/**
	 * Moves a content element into a slot in another container element.
	 * 
	 * @param content
	 *            a handle to the element to move
	 * @param newContainer
	 *            a handle to the new container element
	 * @param propName
	 *            the target property name where the element will be moved to.
	 * @throws ContentException
	 *             if the content is not in this slot or if the new container is
	 *             not, in fact, a container, or if the content cannot go into
	 *             the target slot.
	 */
	public void move( DesignElementHandle content,
			DesignElementHandle newContainer, String propName )
			throws ContentException