flex-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Alex Harui <aha...@adobe.com>
Subject Re: Binding and singleton
Date Thu, 13 Nov 2014 20:44:50 GMT
Declaring a class [Bindable] does not make its sub-objects bindable.  Show
us the code for the model’s data property.

-Alex

On 11/13/14, 12:31 PM, "mark goldin" <markzolotoy@gmail.com> wrote:

>It's an object. The whole model class is Bindable.
>
>On Thu, Nov 13, 2014 at 2:11 PM, Alex Harui <aharui@adobe.com> wrote:
>
>> It appears you are binding to sub-objects in the model, and they may not
>> be bindable.  What is _model.data?
>>
>> -Alex
>>
>> On 11/13/14, 10:49 AM, "mark goldin" <markzolotoy@gmail.com> wrote:
>>
>> >No, they are not static. I even replaces public var ... with setter and
>> >getter. Still the same.
>> >Here more code for singleton:
>> >public var data:Object;
>> >public function ModelLocator(enforcer:SingletonEnforcer)
>> >{
>> >if (enforcer == null){
>> >throw new Error("You can have only one ModelLocator");
>> >}
>> >}
>> > public static function getInstance():ModelLocator{
>> > if (_instance == null){
>> >_instance = new ModelLocator(new SingletonEnforcer());
>> > }
>> > return _instance;
>> > }
>> >class SingletonEnforcer{}
>> >
>> >
>> >In another class I am getting an instance of singleton:
>> >private var _model:ModelLocator = ModelLocator.getInstance();
>> >
>> >BindingUtils.bindSetter(onDataLoaded, _Model.data, "propOnData");
>> >new GetDataEvent().dispatch();
>> >
>> >public function onDataLoaded(value:String):void
>> >{
>> >trace(2);
>> >if (value)
>> >{
>> >......
>> >}
>> >}
>> >
>> >this is a command that set to get data when GetDataEvent event is
>> >triggered:
>> >
>> >public function result(data:Object):void
>> >{
>> >var re:ResultEvent = data as ResultEvent;
>> >_assetHealthModel.data = re.result as Object;
>> >trace(1);
>> >}
>> >
>> >In Console I see
>> >2
>> >1
>> >
>> >but never 2 again.
>> >
>> >Hope, it's clear.
>> >
>> >Thanks
>> >
>> >
>> >On Thu, Nov 13, 2014 at 12:37 PM, Alex Harui <aharui@adobe.com> wrote:
>> >
>> >>
>> >>
>> >> On 11/13/14, 10:04 AM, "mark goldin" <markzolotoy@gmail.com> wrote:
>> >>
>> >> >Here is singleton definition:
>> >> >[Bindable]
>> >> >public class ModelLocator extends EventDispatcher implements
>> >>IModelLocator
>> >> >
>> >> >All properties on that class are public vars.
>> >>
>> >> I’ll assume you are trying to tell me that they are not public static
>> >>vars?
>> >>
>> >> When we’ll need to know more about how the instance is shared,
>>whether
>> >>you
>> >> are getting warnings and compile time or runtime, and probably more
>> >> details about what the symptoms are.
>> >>
>> >> -Alex
>> >>
>> >>
>>
>>

Mime
View raw message