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
{
			
			sb.append( getOrthogonalDisplayValue( ) );
		}
		else
		{
			final EList el = dp.getComponents( );
			if ( dp.getPrefix( ) != null )
			{
				sb.append( dp.getPrefix( ) );
			}
			DataPointComponent dpc;
			DataPointComponentType dpct;
			for ( int i = 0; i < el.size( ); i++ )
			{
				dpc = (DataPointComponent) el.get( i );
				dpct = dpc.getType( );
				if ( dpct == DataPointComponentType.BASE_VALUE_LITERAL )
				{
					sb.append( getBaseDisplayValue( ) );
				}
				else if ( dpct == DataPointComponentType.ORTHOGONAL_VALUE_LITERAL )
				{
					String oType = dpc.getOrthogonalType( );
					if ( oType.length( ) == 0 )
					{
						sb.append( getOrthogonalDisplayValue( ) );
					}
					else if ( !( oOrthogonalValue instanceof IDataPointEntry ) )
					{