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
scrollToView( iSelectedIndex );
					coPaletteEntries.redraw( );
				}
				break;
			case SWT.ARROW_UP :
				if ( iSelectedIndex > 0 )
				{
					iSelectedIndex--;
					scrollToView( iSelectedIndex );
					coPaletteEntries.redraw( );
				}
				break;
			case SWT.CR :
				if ( coPaletteEntries.isFocusControl( ) )
				{
					coEditor.setFocus( );
				}
				break;
			case SWT.PAGE_DOWN :
				iSelectedIndex += 8;
				if ( iSelectedIndex > elPaletteEntries1.size( ) )
				{
					iSelectedIndex = elPaletteEntries1.size( ) - 1;
				}
				scrollToView( iSelectedIndex );
				sb.setSelection( sb.getMaximum( )
						* ( iSelectedIndex + 1 )
						/ elPaletteEntries1.size( ) );
				coPaletteEntries.redraw( );
				break;