Hi, Tim. Thanks for a great example.
R. On 12/18/06, Tim Hoff <[EMAIL PROTECTED]> wrote:
Sorry that didn't work for you Roman. Here's an older example that has an itemRenderer that changes the color of the text; based on the value of the data. Hope that it helps. Sample<http://www.cflex.net/showFileDetails.cfm?ObjectID=443&Object=File&ChannelID=1> Cheers, -TH --- In flexcoders@yahoogroups.com, "Roman Protsiuk" <[EMAIL PROTECTED]> wrote: > > Hi, Tim. > > Thanks for the advise. Though, it didn't help. Even calling > super.invalidateDisplayList() I get no color change. > > R. > > On 12/16/06, Tim Hoff [EMAIL PROTECTED] wrote: > > > > Hi Roman, > > > > After you conditionally change the color, you have to redraw the > > itemRenderer. Try this: > > > > [Bindable] public var highlightColor : uint = 0x000000; > > > > public override function set data(value : Object) : void > > { > > super.data = value; > > > > if (value != null) > > { > > if (!value.valid) highlightColor = 0xFF0000; > > } > > super.invalidateDisplayList(); > > } > > > > <mx:Label color="{highlightColor}"/> > > > > -TH > > __________________________________ > > > > *Tim Hoff > > *Cynergy Systems, Inc. > > http://www.cynergysystems.com <http://www.cynergysystems.comoffice/> > > Office: 866-CYNERGY > > > > --- In flexcoders@yahoogroups.com, "Roman Protsiuk" roman.protsiuk@ > > wrote: > > > > > > Hi. > > > > > > I am using item renderer for DataGrids column (for example) derived > > > from DataGridItemRenderer. The data sent to item renderer has a > > > boolean property named "valid". If valid == true I want the label to > > > be red otherwise black. The problem is when I'm using direct > > > assignment textColor = 0xFF0000; the text doesn't become red. When I'm > > > using data binding (with data.valid == false) like > > > <mx:DataGridItemRenderer ... textColor="{highlightColor}">... Where > > > highlightColor is, for example: > > > > > > [Bindable] > > > public var highlightColor : Number; > > > > > > public override function set data(value : Object) : void { > > > if (value != null && value.valid) { > > > highlightColor = 0x000000; > > > } else { > > > highlightColor = 0xFF0000; > > > } > > > super.data = value; > > > } > > > > > > the text still DOESN'T become red. > > > > > > However if to derive renderer from any container, say Canvas, and > > > insert Label into that container like: > > > <?xml version="1.0" encoding="utf-8"?> > > > <mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml";> > > > <mx:Label color="{highlightColor}" ... /> > > > </mx:Canvas> > > > > > > with the same highlightColor everything works -- text DOES become red. > > > I've faced the same behavior in many situations related to item > > > renderers and list-based controls. E.g. CheckBox or RadioButton need > > > to be initially checked inside of a list. Every time had to use this > > > "itemRenderer = control inside of a container + bindable data;" > > > approach to make it work. > > > > > > Can't understand why... Seems to me that described above approach is > > > way to strained. There should be more native one. > > > > > > Appreciate any help, > > > R. > > > > > > > > > >
