estanglerbm opened a new issue #1012:
URL: https://github.com/apache/royale-asjs/issues/1012
In application code, doing this:
``mx.binding.utils.BindingUtils.bindProperty(targethost, "targetmember",
sourcehost, ["sourcemember"]);``
where ``sourcehost.sourcemember`` is ``[Bindable]`` (with or without event
name) will not produce updates of ``targethost.targetmember``.
The reason is that with the default config .xml file, the ``metadata``
showing ``'Bindable'`` is not generated in the .js file, and ChangeWatcher is
expecting that info:
```
mx.binding.utils.ChangeWatcher.watch()
-> mx.binding.utils.ChangeWatcher.reset()
--> mx.binding.utils.ChangeWatcher.getEvents()
---> mx.binding.BindabilityInfo.getCachedInfo(host).getChangeEvents(name);
----> (first looking at
mx.binding.BindabilityInfo.childChangeEvents[childName], otherwise looking at
accessors / variables)
----> mx.binding.BindabilityInfo.addBindabilityEvents()
-----> org.apache.royale.reflection.utils.filterForMetaTags(members,
['Bindable'])
-----> mx.binding.BindabilityInfo.addChangeEvents
------> (if found, uses "valueChange" event for default [Bindable], or
custom event name if specified)
```
Under ``ROYALE_REFLECTION_INFO`` in the .js file, it wants to see something
like this:
`` 'text': { type: 'String', access: 'readwrite', declaredBy:
'my.awesome.company.MyClass', metadata: function () { return [ { name:
'Bindable' } ]; }},``
but it's seeing only something like this:
`` 'text': { type: 'String', access: 'readwrite', declaredBy:
'my.awesome.company.MyClass'},``
The solution is to uncomment the relevant part of the config .xml file, or
use the compiler option:
``-compiler.keep-as3-metadata=Bindable``
Where is this prominently documented to help poor application developers
from spending hours to figure this out?
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