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From Cosma Colanicchia <cosma...@gmail.com>
Subject Re: combo box
Date Tue, 10 Apr 2012 20:29:52 GMT
@Alex didn't know that MX components received this kind of upgrades in
the 4.x branch, I thought they were in "maintenance mode" (exluding
the work on spark skins for halo).


2012/4/10 Cosma Colanicchia <cosmacol@gmail.com>:
> The EmptyItemComboBox class posted by David Coleman looks similar to
> some code I posted years ago on StackOverflow [1]. I added some
> explanation and a snippet of code showing its usage there.
>
> I'm not particularly proud of this code, but didn't managed to find a
> better way. The behavior approach seems interesting.
>
> [1] http://stackoverflow.com/questions/949180/null-in-flex-combobox
>
>
> Cosma
>
>
> 2012/4/10 Alex Harui <aharui@adobe.com>:
>>
>>
>>
>> On 4/10/12 12:17 PM, "Jeffry Houser" <jeffry@dot-com-it.com> wrote:
>>
>>>   I gave it a selectedValue property, a valueField property, and a
>>> valueFunction property; similar--in concept--to how the selectedItem,
>>> labelField, and labelFunction work.
>>>
>>>   Really the code is just a layer of abstraction for a loop.  If I were
>>> to implement something like that in the framework, I'd probably to up to
>>> List or ListBase as opposed to making it ComboBox specific.
>>>
>> And for the record, starting in Flex 4, MX Combobox had this function
>> property [1].  It was not implemented in Spark.  But these days I am a fan
>> of plugging in things like this.
>>
>> [1]
>> http://help.adobe.com/en_US/FlashPlatform//reference/actionscript/3/mx/contr
>> ols/listClasses/ListBase.html#selectedItemsCompareFunction
>>
>> --
>> Alex Harui
>> Flex SDK Team
>> Adobe Systems, Inc.
>> http://blogs.adobe.com/aharui
>>

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