Bug 199009 [Automation][Regression] 2D percent stacked area chart did not render properly
steps to reproduce: - use the attached report design - preview in html expected behavior: - chart was renderred properly actual behavior: - it simply did not do so please refer to the attached screen captures
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/PaletteEditorComposite.java
{
			int iSelection = sb.getSelection( );
			iViewY = iSelection;
			coPaletteEntries.redraw( );
		}
		else
		{
			final Button btn = (Button) sev.getSource( );
			if ( btn == btnAdd )
			{
				if ( fccNewEntry.getFill( ) != null )
				{
					append( (Fill) EcoreUtil.copy( fccNewEntry.getFill( ) ) );
				}
				else
				{
					append( ColorDefinitionImpl.TRANSPARENT( ) );
				}
			}
			else if ( btn == btnRemove )
			{
				remove( iSelectedIndex );
			}
			else if ( ( btn.getStyle( ) & SWT.UP ) == SWT.UP )
			{
				if ( iSelectedIndex > 0 )
				{
					swap( iSelectedIndex, iSelectedIndex - 1 );
				}
			}