Bug 146790 Help text/help text key for cascading parameter group is not supported
Steps to reproduce: 1.New a cascading parameter group 2.Switch to Properties, select the cascading parameter group 3.Set help text to "helpme" 4.Preview Expected result: Help text appears when hovering over the cascading parameter group name in Parameter input dialog Actual result: Help text/help text key is not supported
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ParameterGroupBean.java
{
	/**
	 * Parameter group definition reference.
	 */
	private ParameterGroupDefinition  parameterGroup = null;
	
	/**
	 * Constructor.
	 * 
	 * @param parameterGroup
	 */
	public ParameterGroupBean( ParameterGroupDefinition  parameterGroup )
	{
		this.parameterGroup = parameterGroup;
	}
	
	/**
	 * Adapt to ParameterGroupDefinition 's getName( ).
	 * 
	 * @return parameter name.
	 */
	public String getName( )
	{
		if ( parameterGroup == null )
		{
			return null;
		}
		return parameterGroup.getName( ); 
	}
}