Bug 195951 Focus for PNG does not work [13]
Description: Focus for PNG does not work. Build number: 2.2.0.v20070710-1223 Steps to reproduce: 1. New a Chart, set Output Format as PNG, in "Format Chart" tab, add interactivity for Value Series, Event: Focus, Action: Hyperlink or invoke script. 2. Preview, focus in Value Series. Expected result: Interactivity works. Actual result: It does not work. Error log: N/A
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/JavaxImageIOWriter.java
}
	/**
	 * When 1). The action is supported, and the action type is INVOKE_SCRIPT.
	 * 2). The script has not been added into ImageMap. 3). The action acts on
	 * the value series area. Add the script into ImageMap.
	 * 
	 * @param sa
	 *            ShapedAction
	 * @param sb
	 *            StringBuffer
	 */
	private void userCallback( ShapedAction sa, StringBuffer sb )
	{
		if ( !bAddCallbackByClick )
		{
			addScriptCallBack( sa,
					sb,
					sa.getActionForCondition( TriggerCondition.ONCLICK_LITERAL ),
					getJSMethodName( TriggerCondition.ONCLICK_LITERAL ) );
			bAddCallbackByClick = true;
		}
		if ( !bAddCallbackByDBLClick )
		{
			addScriptCallBack( sa,
					sb,
					sa.getActionForCondition( TriggerCondition.ONDBLCLICK_LITERAL ),
					getJSMethodName( TriggerCondition.ONDBLCLICK_LITERAL ) );
			bAddCallbackByDBLClick = true;
		}
		if ( !bAddCallbackByMouseOver )