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From: Peter Ent <pent@adobe.com>
To: "dev@flex.apache.org" <dev@flex.apache.org>
Subject: Re: [FlexJS] About Component Cycle and Events
Thread-Topic: [FlexJS] About Component Cycle and Events
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Date: Thu, 15 Dec 2016 18:17:55 +0000
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archived-at: Thu, 15 Dec 2016 18:18:45 -0000


On 12/15/16, 12:33 PM, "Alex Harui" <aharui@adobe.com> wrote:

>
>
>On 12/15/16, 8:22 AM, "Peter Ent" <pent@adobe.com> wrote:
>
>>Having done a bunch of these, I'd like to propose something a little
>>controversial.=20
>>
>>A new class, BaseBead, from which all Beads derive (you can choose not to
>>do this in your custom beads, just implement IBead). BaseBead has:
>>
>>public function set strand(value:IStrand):void {=A9}
>>public function get strand():IStrand {=A9}
>>
>>public function strandReady():void
>>- your bead class overrides strandReady() which is called by the strand
>>setter function and in your override you set up your bead. If your bead
>>needs to be aware of other beads, override the next function:
>>
>>public function beadsLoaded():void
>>- your bead class, if it needs to, overrides beadsLoaded() and completes
>>it set up. You can use strand.getBeadByType() to look for any other beads
>>your bead might need.
>>
>>I separated the setting of the strand into two functions so that bead
>>authors have a clear path in that they always override strandReady and
>>optionally override beadsLoaded. This would give a consistent pattern to
>>bead loading and allow the underlaying bead framework to be changed in
>>the
>>future. I don't think this will add much overhead to the PAYG plan, and I
>>think it will be easier for developers to know what to do if there is a
>>consistent set of steps to follow. These functions in BaseBead may be
>>minor, but it would save developers from having to do the same thing over
>>and over.
>
>Hmm. Maybe.  How would the base class know when and whether to call
>beadsLoaded.  Having every bead listen for beadsAdded might add up to
>something.

Yes, that's true. Maybe in strandReady() you set a boolean like
needsToWait which then triggers the BaseBead to set up the event listener.

>
>-Alex
>