Bug 168839 Chart Legend Toggle Visibility does not work correctly for Pie chart in SVG[0001]
Description: Chart Legend Toggle Visibility does not work correctly . Build number: 2.1.2.v20061221-0710 Steps to reproduce: 1. Preview the attached design file. 2. Click the legend. Expected result: Toggle Visibility works correctly. Actual result: Pie slice of different color disappears when being click. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/DataPointHints.java
/**
	 * Sets the user value of current DataPointHintes.
	 * 
	 * @param key
	 * @param value
	 */
	public final void setUserValue( String key, Object value )
	{
		if ( userValueMap == null )
		{
			userValueMap = new HashMap( );
		}
		userValueMap.put( key, value );
	}
	/**
	 * Returns the orthogonal display value of current DataPointHintes.
	 * 
	 * @return
	 */
	public final String getOrthogonalDisplayValue( )
	{
		return getOrthogonalDisplayValue( fsOrthogonal );
	}
	/**
	 * Returns the base display value of current DataPointHintes.
	 * 
	 * @return
	 */
	public final String getBaseDisplayValue( )
	{