Bug 201042 [Accessibility]Chart scritp should not add by auto when click the down in keyboard[17]
Description: Chart scritp should not add by auto when click the down in keyboard[0704] Step: 1. New a chart and switch to script view. 2. Let the point on the script function selection. 3. Click the down on keyboard. Actual result: A function will add by auto. Expected result: Customer can not select the function under the second function by keyboard, and it should not be added by auto.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/LineAttributesComposite.java
}
		else
		{
			return SWT.LINE_SOLID;
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
	 */
	public void handleEvent( Event event )
	{
		if ( cmbColor != null && cmbColor.equals( event.widget ) )
		{
			fireValueChangedEvent( LineAttributesComposite.COLOR_CHANGED_EVENT,
					cmbColor.getFill( ) );
		}
		else if ( cmbStyle != null && cmbStyle.equals( event.widget ) )
		{
			fireValueChangedEvent( LineAttributesComposite.STYLE_CHANGED_EVENT,
					getModelLineStyle( cmbStyle.getLineStyle( ) ) );
		}
		else if ( cmbWidth != null && cmbWidth.equals( event.widget ) )
		{
			fireValueChangedEvent( LineAttributesComposite.WIDTH_CHANGED_EVENT,
					new Integer( cmbWidth.getLineWidth( ) ) );
		}
	}
}