Bug 160176 Create design by a template
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignSession.java
* 
	 */
	public void setColorFormat( int format ) throws PropertyValueException
	{
		if ( ( format == ColorUtil.CSS_ABSOLUTE_FORMAT )
				|| ( format == ColorUtil.CSS_RELATIVE_FORMAT )
				|| ( format == ColorUtil.HTML_FORMAT )
				|| ( format == ColorUtil.INT_FORMAT )
				|| ( format == ColorUtil.JAVA_FORMAT ) )
			colorFormat = format;
		else
			throw new PropertyValueException( new Integer( format ),
					PropertyValueException.DESIGN_EXCEPTION_INVALID_VALUE,
					PropertyType.CHOICE_TYPE );
	}
	/**
	 * Returns the color display preference of the application. The return value
	 * is an integer value that may be the following constants defined in
	 * <code>ColorUtil</code>:
	 * 
	 * <ul>
	 * <li><code>INT_FORMAT</code>
	 * <li><code>HTML_FORMAT</code>
	 * <li><code>JAVA_FORMAT</code>
	 * <li><code>CSS_ABSOLUTE_FORMAT</code>
	 * <li><code>CSS_RELATIVE_FORMAT</code>
	 * </ul>
	 * 
	 * @return the color display preference of the application as an integer.
	 *