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/render/BaseRenderer.java
/**
	 * Returns if the right-left mode is enabled.
	 * 
	 * @return
	 */
	public boolean isRightToLeft( )
	{
		if ( rtc == null )
		{
			return false;
		}
		return rtc.isRightToLeft( );
	}
	/**
	 * Returns if current palette is from the category series.
	 * 
	 * @return
	 */
	protected boolean isPaletteByCategory( )
	{
		return ( cm.getLegend( ).getItemType( ).getValue( ) == LegendItemType.CATEGORIES );
	}
	/**
	 * Switch Anchor value due to right-left setting.
	 * 
	 * @param anchor
	 * @return
	 */
	public Anchor switchAnchor( Anchor anchor )
	{