So, is it possible to have two IBeadControllers?

On Jun 1, 2016, at 12:04 AM, Peter Ent <p...@adobe.com> wrote:

> The key to the CSS and the beads is the ValuesManager
> (org.apache.flex.core.ValuesManager) the implementation used
> (org.apache.flex.core.SimpleCSSValuesImpl). This searches through the CSS
> for the class and matches the name (eg, IBeadController) and instantiates
> and instance of the class referenced. This is done in the
> MXMLDataInterpreter.
> 
> —peter
> 
> On 5/31/16, 4:24 PM, "Harbs" <harbs.li...@gmail.com> wrote:
> 
>> Yeah. If I’m going to jump in, it might as well be with both feet into
>> the deep water… ;-)
>> 
>> How does the css setting of beads work under the hood? I’d like to
>> understand the mechanics.
>> 
>> I’ll figure out the HierarchicalData as soon as I fix the XML issue with
>> the compiler.
>> 
>> I’ll look at EditableTextKeyboardController. Thanks. Is there any trick
>> necessary for specifying multiple controller beads?
>> 
>> I’d also like to figure out how to specify different icons for open and
>> closed nodes. Ideally there should be a way to specify look using CSS
>> class names in HTML. Is there an easy way to do that?
>> 
>> On May 31, 2016, at 5:24 PM, Peter Ent <p...@adobe.com> wrote:
>> 
>>> Hi,
>>> 
>>> Picked Tree as the first component, huh? The basic idea behind Tree in
>>> FlexJS is that it is a List with itemRenderers that indent.
>>> 
>>> The reason CSS is used to set beads, such as model, view, controller,
>>> and
>>> others, is to make it very easy to swap them out just by giving your
>>> app a
>>> different CSS file and they don't have to be hard-coded.
>>> 
>>> Since it has been a little while since I looked at Tree, my guess is
>>> that
>>> I just forgot to change it once I took HierarchicalData as far as was
>>> needed at the time. I probably worked with HierarchicalData until the
>>> end
>>> when I created IHierarchicalData and just forgot to go back to Tree and
>>> change it.
>>> 
>>> If you want to add keyboard behavior, you'd create another controller
>>> type
>>> bead. If you look in the HTML project in the
>>> org.apache.flex.html.beads.controllers package you'll find
>>> EditableTextKeyboardController. There's not much to it, but its a start.
>>> Some of the mouse controllers have more insight into separating the SWF
>>> and JS event handling if you need to look at specific keyboard keys.
>>> 
>>> On 5/30/16, 3:36 PM, "Harbs" <harbs.li...@gmail.com> wrote:
>>> 
>>>> On second thoughtŠ
>>>> 
>>>> This is the first time I¹m diving into a FlexJS component. I understand
>>>> strands and beads conceptually, but I have not really looked into the
>>>> practice until now.
>>>> 
>>>> It looks like the behavior of the Tree is handled by the
>>>> TreeSingleSelectionMouseController which extends
>>>> ListSingleSelectionMouseController. The controller seems to be set in
>>>> the
>>>> css file? That strikes me as a bit odd considering that css usually
>>>> means
>>>> visual to me, but I think I get it.
>>>> 
>>>> Either way, Tree is expecting HierarchicalData rather than
>>>> IHierarchicalData. Is there a reason for that?
>>>> 
>>>> If I want to add keyboard behavior (i.e. using the arrow keys to
>>>> navigate
>>>> and open/close nodes, what would be the best way to do that?
>>>> 
>>>> (BTW, I¹m using Tree for a pet project as a way of learning the
>>>> structure
>>>> of FlexJS components before I deep dive into using them.)
>>>> 
>>>> On May 30, 2016, at 10:20 PM, Harbs <harbs.li...@gmail.com> wrote:
>>>> 
>>>>> I¹d like to add XML support for Trees. Any preference on whether I
>>>>> should create a new IHierarchicalData class for XML (i.e.
>>>>> XMLHierarchicalData) or put conditional logic in the existing
>>>>> HierarchicalData class?
>>>>> 
>>>>> I¹m leaning towards the former.
>>>>> 
>>>>> Harbs
>>>> 
>>> 
>> 
> 

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