CODEWITHSUNDEEP
ipadapache-flexmobileair
Ivan Nikolov
Ivan Nikolov

Reputation: 235

DataBinding is not working properly in custom list itemrenderer

I am developing iPad application using Flex/Air. I have problem with data binding in custom list item renderer.

I have list with a collection of Classes as data provider. Each class have a static property enabled. I display each class using an item renderer, where my item renderer is enabled when the Class property is enabled.

The classes look like that:

public class MyClass
{
   public static const var name:String = "My Class";
   private static var enabled:Boolean = false;


   [Bindable]
    public static function get enabled():Boolean
    {
        return enabled;
    }

    public static function set enabled(value:Boolean):Boolean
    {
        enabled = value;
    }

}

Then I have the list:

<list dataProvider={new ArrayCollection([MyClass])} itemRenderer="CustomItemRenderer"/>

And the CustomItemRenderer looks like that:

<s:ItemRenderer autoDrawBackground="false" enabled={data.enabled}>

   <s:label text={data.name}/>

<s:/ItemRenderer>

So when I change the enabeled property of MyClass, the list is not updated. The item renderer is still disabeled.

MyClass.enabeled = true;

Do you have any idea what the problem can be?

Thank you in advance! Ivan

Upvotes: 1

Views: 146

Answers (1)

Marcx
Marcx

Reputation: 6826

Try this (I edited the code without IDE, it should be correct thought):

// to dispatch a custom event your class needs to extends the EventDispatcher Class.
public class MyClass extends EventDispatcher
{
   public static const var name:String = "My Class";
   private static var _enabled:Boolean = false;


    // getter & setter with dispatchEvent could not be static...
    // instead the getter/setter for enabled, will change the static _enabled value.    
   [Bindable(event="enabledChange")]
    public function get enabled():Boolean
    {
        return _enabled;
    }

    public function set enabled(value:Boolean):void
    {
        _enabled = value;
        dispatchEvent(new Event("enabledChange"));
    }

}

Upvotes: 1

Related Questions