Well they take two different data
providers. So try to get one working first and then do the other one later (and
you’ll want two different data provider classes).
Matt
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of zhongtie
Sent: Thursday, July 21, 2005
10:42 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Writing
a Custom Data Provider
Thanks for your quick reply. You are right, I am trying to implement
my own data providers for both list view and tree
view -- based on the
same data model. So far I have been walking in
dark :(
--- In flexcoders@yahoogroups.com,
"Matt Chotin" <[EMAIL PROTECTED]> wrote:
> This sounds like you're implementing a
TreeDataProvider more than a
> regular list DataProvider (if you're seeing
calls to getChildNodes).
> The list/tree will subscribe automatically to
the modelChanged event.
> You're right that getParent() is required for
the TreeDataProvider, I
> think the livedocs might have been updated to
reflect it.
>
>
>
> I believe there is an example of a custom
tree data provider out there
> but I couldn't speak of it for sure.
>
>
>
> Matt
>
>
>
> ________________________________
>
> From: flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On
> Behalf Of zhongtie
> Sent: Thursday, July 21, 2005 6:36 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Writing a Custom Data
Provider
>
>
>
> Hi,
>
> I am trying to write a custome data provider
for my list control. My
> data is not an array, so I am trying to
rewrite all those APIs. Here
> are some questions:
>
> 1. is "modelChanged" event
subscription handled by the flex framework?
> In another word, do I need to do any thing
besides calling
> dispatchEvent({target:this,
type:"modelChanged", eventName:"...")?
>
> 2. Is there any good example I could follow?
I tried this example
> (http://www.macromedia.com/support/documentation/en/flex/1/mixin/mixin3.
> html),
> but ran into many issues, such as:
> a. getParent() required by
the compiler. It's not in the ASDoc,
> however;
> b. I saw many warnings in
the log:
> Warning: getChildNodes is not a function
> Warning: __get__editable is not a function
> Warning: hasChildNodes is not a function
> Warning: getParent is not a function
> ...
> c. The GUI doesn't
update itself unless I hover my mouse around.
>
> Any advice will be greatly appreciated!
>
> Tim
>
>
>
>
>
> --
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