Re: [flexcoders] addressing items rendered in TileList
OK trying again ...
I've worked out I can change a property of the dataProvider and the
change is automatically reflected in the itemRenderer thanks
Now what I'm struggling with is where the user clicks on the
itemRenderer (aka thumbnail) I can't seem to disable the thumbnails
response (the clickability seems to belong to the TileList rather than
the thumbnail) - I've got a display component that uses the
TileList.selectedIndex as the dataProvider, but I don't see how I can
stop it using the items who's properties I've set to "don't use".
See the old macromedia video gallery for the sort of functionality I'd
like to emulate
http://www.adobe.com/products/flash/flashpro/video/gallery/
So is there a way I can do a conditional response or conditional bind
(bind to TileList.selectedIndex if the item has been set to "enabled =
false" for instance?)
Cheers,
Phil
Tracy Spratt wrote:
With all
flex data driven controls, you
will want to work with the dataProvider.
What exactly
do you mean by address
subselections?
Tracy
From: [EMAIL PROTECTED]ups.com
[mailto:[EMAIL PROTECTED]ups.com] On Behalf Of Phil Marston
Sent: Monday, August
28, 2006 8:46
AM
To: [EMAIL PROTECTED]ups.com
Subject: [flexcoders]
addressing
items rendered in TileList
Hi All,
Anyone know how I can address items rendered in a TileList?
I have a tileList
mx:TileList id="tipList"
dataProvider="{gallery.tips}"
itemRenderer="gallery.Thumbnail"/
which renders c.50 thumbnails and now I'd like to address subselections
of those thumbnails and can't figure it out.
ANY help appreciated
Cheers,
Phil
--
__
Phil Marston
Technology Enhanced Learning
Centre for Learning Teaching
University of Aberdeen
Aberdeen
AB24 3QY
Email: [EMAIL PROTECTED]ac.uk
Tel: +44(0)1224 273329
Mob: +44(0)7798 723660
Web: http://www.abdn.ac.uk/clt/
__
The University of Aberdeen Open Day
29th
August 2006
Booking is essential
www.abdn.ac.uk/openday
email [EMAIL PROTECTED]ac.uk
or call 0800 027 1495
--
__
Phil Marston
Technology Enhanced Learning
Centre for Learning Teaching
University of Aberdeen
Aberdeen
AB24 3QY
Email: [EMAIL PROTECTED]
Tel: +44(0)1224 273329
Mob: +44(0)7798 723660
Web: http://www.abdn.ac.uk/clt/
__
The University of Aberdeen Open Day 29th August 2006
Booking is essential
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Re: [flexcoders] addressing items rendered in TileList
Hi Tracy,
Thanks for the response - I couldn't work out if it was a badly worded
question or just the way I'm doing it made no sense!
By subselections I mean I have a TileList with thumbnails representing
items in a gallery (which is the dataProvider - the items are in an
ArrayCollection). Currently when a user clicks a thumbnail it displays
in a separate viewer with additional associated data - all that's OK
run of the mill stuff, but I'd like to disable some of the thumbnails
(the subselection) according to certain attributes being selected (via
a checkBox).
Intuitively when the user selects the checkBox I want to loop through
the items in the TileList and change the attributes of the ones that
fit the condition (e.g. whether they're enabled), but I can't find an
easy way of addressing them.
I think I'm thinking about this from a Flash perspective and haven't
quite got my head around using bindings and mixing between mxml objects
and actionscript objects. :-(
Any relevant pointers would be good - thanks,
Phil
Tracy Spratt wrote:
With all
flex data driven controls, you
will want to work with the dataProvider.
What exactly
do you mean by address
subselections?
Tracy
From: [EMAIL PROTECTED]ups.com
[mailto:[EMAIL PROTECTED]ups.com] On Behalf Of Phil Marston
Sent: Monday, August
28, 2006 8:46
AM
To: [EMAIL PROTECTED]ups.com
Subject: [flexcoders]
addressing
items rendered in TileList
Hi All,
Anyone know how I can address items rendered in a TileList?
I have a tileList
mx:TileList id="tipList"
dataProvider="{gallery.tips}"
itemRenderer="gallery.Thumbnail"/
which renders c.50 thumbnails and now I'd like to address subselections
of those thumbnails and can't figure it out.
ANY help appreciated
Cheers,
Phil
--
__
Phil Marston
Technology Enhanced Learning
Centre for Learning Teaching
University of Aberdeen
Aberdeen
AB24 3QY
Email: [EMAIL PROTECTED]ac.uk
Tel: +44(0)1224 273329
Mob: +44(0)7798 723660
Web: http://www.abdn.ac.uk/clt/
__
The University of Aberdeen Open Day
29th
August 2006
Booking is essential
www.abdn.ac.uk/openday
email [EMAIL PROTECTED]ac.uk
or call 0800 027 1495
--
__
Phil Marston
Technology Enhanced Learning
Centre for Learning Teaching
University of Aberdeen
Aberdeen
AB24 3QY
Email: [EMAIL PROTECTED]
Tel: +44(0)1224 273329
Mob: +44(0)7798 723660
Web: http://www.abdn.ac.uk/clt/
__
The University of Aberdeen Open Day 29th August 2006
Booking is essential
www.abdn.ac.uk/openday
email [EMAIL PROTECTED]
or call 0800 027 1495
__._,_.___
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RE: [flexcoders] addressing items rendered in TileList
Yes, this is a different paradigm.
You rarely work with the rendered components directly. Instead, you
manipulate the dataProvider.
To enable and disable elements in a
TileList, you are going to need an itemRenderer. That itemRenderer will set
the enabled state of the rendered control according to a property (imgenabled)
value in the dataProvider item that produced the rendered control.
On click of the check box, you will loop
over the items in the dataProvider, and set the imgenabled
property value as you need. If you use the dataProvider API to update the
dataProvider, the rendered controls in the TileList will automatically redraw
and set their state according to the modified data.
There may be other ways, but this is a
standard approach for data-driven Uis.
Tracy
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Phil Marston
Sent: Monday, August 28, 2006
12:17 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] addressing
items rendered in TileList
Hi Tracy,
Thanks for the response - I couldn't work out if it was a badly worded question
or just the way I'm doing it made no sense!
By subselections I mean I have a TileList with thumbnails representing items in
a gallery (which is the dataProvider - the items are in an ArrayCollection).
Currently when a user clicks a thumbnail it displays in a separate viewer with
additional associated data - all that's OK run of the mill stuff, but I'd like
to disable some of the thumbnails (the subselection) according to certain
attributes being selected (via a checkBox).
Intuitively when the user selects the checkBox I want to loop through the items
in the TileList and change the attributes of the ones that fit the condition
(e.g. whether they're enabled), but I can't find an easy way of addressing
them.
I think I'm thinking about this from a Flash perspective and haven't quite got
my head around using bindings and mixing between mxml objects and actionscript
objects. :-(
Any relevant pointers would be good - thanks,
Phil
Tracy Spratt wrote:
With all flex data driven controls, you will want to work with the
dataProvider.
What exactly do you mean by address
subselections?
Tracy
From: [EMAIL PROTECTED]ups.com
[mailto:[EMAIL PROTECTED]ups.com]
On Behalf Of Phil Marston
Sent: Monday, August 28, 2006 8:46
AM
To: [EMAIL PROTECTED]ups.com
Subject: [flexcoders] addressing
items rendered in TileList
Hi All,
Anyone know how I can address items rendered in a TileList?
I have a tileList
mx:TileList id=tipList
dataProvider={gallery.tips}
itemRenderer=gallery.Thumbnail/
which renders c.50 thumbnails and now I'd like to address subselections
of those thumbnails and can't figure it out.
ANY help appreciated
Cheers,
Phil
--
__
Phil Marston
Technology Enhanced Learning
Centre for Learning Teaching
University of Aberdeen
Aberdeen
AB24 3QY
Email: [EMAIL PROTECTED]ac.uk
Tel: +44(0)1224 273329
Mob: +44(0)7798 723660
Web: http://www.abdn.ac.uk/clt/
__
The University
of Aberdeen
Open Day 29th August 2006
Booking is essential
www.abdn.ac.uk/openday
email [EMAIL PROTECTED]ac.uk
or call 0800 027 1495
-- __ Phil Marston Technology Enhanced LearningCentre for Learning Teaching University of AberdeenAberdeenAB24 3QYEmail: [EMAIL PROTECTED]ac.ukTel: +44(0)1224 273329Mob: +44(0)7798 723660 Web: http://www.abdn.ac.uk/clt/__The University of Aberdeen Open Day 29th August 2006Booking is essentialwww.abdn.ac.uk/opendayemail [EMAIL PROTECTED]ac.ukor call 0800 027 1495
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[flexcoders] addressing items rendered in TileList
Hi All,
Anyone know how I can address items rendered in a TileList?
I have a tileList
mx:TileList id=tipList
dataProvider={gallery.tips}
itemRenderer=gallery.Thumbnail/
which renders c.50 thumbnails and now I'd like to address subselections
of those thumbnails and can't figure it out.
ANY help appreciated
Cheers,
Phil
--
__
Phil Marston
Technology Enhanced Learning
Centre for Learning Teaching
University of Aberdeen
Aberdeen
AB24 3QY
Email: [EMAIL PROTECTED]
Tel: +44(0)1224 273329
Mob: +44(0)7798 723660
Web: http://www.abdn.ac.uk/clt/
__
The University of Aberdeen Open Day 29th August 2006
Booking is essential
www.abdn.ac.uk/openday
email [EMAIL PROTECTED]
or call 0800 027 1495
--
Flexcoders Mailing List
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RE: [flexcoders] addressing items rendered in TileList
With all flex data driven controls, you
will want to work with the dataProvider.
What exactly do you mean by address
subselections?
Tracy
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Phil Marston
Sent: Monday, August 28, 2006 8:46
AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] addressing
items rendered in TileList
Hi All,
Anyone know how I can address items rendered in a TileList?
I have a tileList
mx:TileList id=tipList
dataProvider={gallery.tips}
itemRenderer=gallery.Thumbnail/
which renders c.50 thumbnails and now I'd like to address subselections
of those thumbnails and can't figure it out.
ANY help appreciated
Cheers,
Phil
--
__
Phil Marston
Technology Enhanced Learning
Centre for Learning Teaching
University of Aberdeen
Aberdeen
AB24 3QY
Email: [EMAIL PROTECTED]ac.uk
Tel: +44(0)1224 273329
Mob: +44(0)7798 723660
Web: http://www.abdn.ac.uk/clt/
__
The University of
Aberdeen Open Day 29th
August 2006
Booking is essential
www.abdn.ac.uk/openday
email [EMAIL PROTECTED]ac.uk
or call 0800 027 1495
__._,_.___
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