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/TOCHandle.java
* the CSS (pre-defined) values see <code>DesignChoiceConstants</code>.
	 * They are:
	 * <ul>
	 * <li><code>LINE_STYLE_NONE</code>
	 * <li><code>LINE_STYLE_SOLID</code>
	 * <li><code>LINE_STYLE_DOTTED</code>
	 * <li><code>LINE_STYLE_DASHED</code>
	 * <li><code>LINE_STYLE_DOUBLE</code>
	 * <li><code>LINE_STYLE_GROOVE</code>
	 * <li><code>LINE_STYLE_RIDGE</code>
	 * <li><code>LINE_STYLE_INSET</code>
	 * <li><code>LINE_STYLE_OUTSET</code>
	 * </ul>
	 * 
	 * @return the border bottom style
	 */
	public String getBorderBottomStyle( )
	{
		Object value = getProperty( TOC.BORDER_BOTTOM_STYLE_MEMBER );
		if ( value == null )
		{
			StyleHandle style = getStyle( );
			if ( style == null )
			{
				return null;
			}
			else
			{
				return style.getBorderBottomStyle( );
			}