Flex 数据绑定函数（非 getter）

发布于 2024-11-26 19:14:39 字数 615 浏览 1 评论 0原文

我有一个 Flex 应用程序，它依赖于一个稍微抽象了 Flex 资源管理器的类。我使用的（纯 AS3）类扩展了 EventDispatcher，并处理本地化信息的运行时加载以及返回翻译后的标记。 我无法使用基础资源管理器，因为如果找不到令牌，我不希望它返回 null。

/endexposition

当我尝试使 getString 函数可绑定时，我的问题就出现了.

[Bindable(event="bundleLoaded")]
public function getString...

“bundleLoaded”事件被适当调度。这个功能在我参与开发的90%的应用程序中都能正常工作。但是，对于一个应用程序，我收到以下混淆错误：

1084：语法错误：s 之前需要右括号。资源=（项目名称）路径=（空）位置=第301行

在我添加 [Bindable...] 行之前，应用程序编译并运行（显然，减去了绑定），但在添加该行之后，它拒绝正确编译。任何应用程序或支持类的第 301 行都没有任何有趣的内容。

有什么建议吗？有人有类似的经历吗？

原文

I've got a flex application that is dependent on a class that slightly abstracts flex's resourceManager. The (pure AS3) class I'm using extends EventDispatcher, and deals with runtime loading of localization information as well as returning the translated tokens. I can't use the base resourceManager, as I don't want it to return null if the token is not found.

/endexposition

My problem comes when I attempt to make my getString function bindable.

[Bindable(event="bundleLoaded")]
public function getString...

The "bundleLoaded" event is dispatched appropriately. This function works correctly in 90% of the applications I'm involved in the development of. However, for ONE application, I get the following obfuscated error:

1084: Syntax error: expecting rightbrace before s. Resource=(ProjectName) Path=(null) Location=line 301

The application compiles and works (minus the bindings, obviously) before I add the [Bindable...] line, but after I add that line it refuses to compile correctly. There is nothing even mildly interesting located on line 301 of any of the application or support classes.

Any tips? Anyone have a similar experience?

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半仙 2024-12-03 19:14:39

好吧，在搜索生成的代码后，我发现了一个问题（该问题将被报告给flex sdk）。

我的代码将文本属性绑定到资源（用于本地化）。

该属性使用了三元运算。创建此绑定后，生成的代码会删除“：”和“？”来自我的三元运算，并导致了错误。

    myResourceManager.getString('bundle','token',[numDays, numDays != 1 ? 's' : ''])

编译器把它变成了……

    new mx.binding.FunctionReturnWatcher("getString", target, 
        function():Array 
        { return [ "bundle", "token", [target.numDays, target.numDays != 1"s"""] ]; }

给我留下了一个很好的、模棱两可的编译器错误。谢谢你们的观看，伙计们！这个已经修好了

编辑：如果有人感兴趣：https://bugs.adobe.com/jira/browse/SDK -30937

Well, after searching through the generated code, I found an issue (which wiiiiill be bug reported to the flex sdk).

My code bound a text property to a resource (for localization).

That property used a ternary operation. Once I created this binding, the generated code stripped out the ":" and "?" from my ternary operation, and caused an error.

    myResourceManager.getString('bundle','token',[numDays, numDays != 1 ? 's' : ''])

The compiler turned that into...

    new mx.binding.FunctionReturnWatcher("getString", target, 
        function():Array 
        { return [ "bundle", "token", [target.numDays, target.numDays != 1"s"""] ]; }

Leaving me with a nice, ambiguous compiler error. Thanks for looking, guys! This one's fixed.

EDIT: If anyone's interested: https://bugs.adobe.com/jira/browse/SDK-30937

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