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
*/
	public boolean isVisible( )
	{
		boolean isVisible = true;
		switch ( propDefn.getValueType( ) )
		{
			case IPropertyDefn.SYSTEM_PROPERTY :
			case IPropertyDefn.EXTENSION_PROPERTY :
			case IPropertyDefn.ODA_PROPERTY :
				IElementDefn elementDefn = getElementHandle( ).getDefn( );
				if ( !elementDefn.isPropertyVisible( propDefn.getName( ) ) )
					isVisible = false;
				break;
			case IPropertyDefn.EXTENSION_MODEL_PROPERTY :
				if ( !propDefn.isVisible( ) )
					isVisible = false;
				break;
		}
		return isVisible;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.api.SimpleValueHandle#removeItem(int)
	 */
	public void removeItem( int posn ) throws PropertyValueException
	{
		if ( propDefn.getTypeCode( ) == IPropertyType.LIST_TYPE )
		{
			ComplexPropertyCommand cmd = new ComplexPropertyCommand(