[jira] [Commented] (FLEX-34101) Regression from 4.8 to 4.10: Spark list doesn't refresh with filterFunction

[Justin Mclean (JIRA)]

    [ 
https://issues.apache.org/jira/browse/FLEX-34101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912608#comment-13912608
 ] 

Justin Mclean commented on FLEX-34101:
--------------------------------------

OK manage to reproduce with a reasonably simple example:

{code}
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"; 
                           xmlns:s="library://ns.adobe.com/flex/spark" 
                           xmlns:mx="library://ns.adobe.com/flex/mx">
        <fx:Script>
                <![CDATA[
                        import mx.collections.ArrayCollection;
                        import mx.events.CollectionEvent;
                        import mx.events.FlexEvent;
                        
                        import spark.collections.Sort;
                        import spark.collections.SortField;
                        
                        [Bindable] protected var data:ArrayCollection = new 
ArrayCollection([new Item("2"),new Item("1"),new Item("4"),new Item("3"),]);
                        
                        protected function even(item:*):Boolean {
                                return (Number(item.label) % 2) == 0;   
                        }
                        
                        protected function changed(event:CollectionEvent):void {
                                trace("Kind: " + event.kind);
                        }
                        
                        
                        protected function filter(event:Event):void
                        {
                                data.sort = new Sort();
                                data.sort.fields = [new SortField("label")];
                                data.refresh();
                                
                                
data.addEventListener(CollectionEvent.COLLECTION_CHANGE, changed);
                                
                                data.filterFunction = even;
                                data.refresh();
                                
                                data[0].label = "1";
                                data.itemUpdated(data[0]);
                        }
                        
                ]]>
        </fx:Script>
        
        <s:layout>
                <s:HorizontalLayout />
        </s:layout>
        
        <s:DataGroup dataProvider="{data}" 
itemRenderer="spark.skins.spark.DefaultItemRenderer">
                <s:layout>
                        <s:VerticalLayout/>
                </s:layout>
        </s:DataGroup>
        <s:Button label="filter" click="filter(event)" />
        
</s:Application>
{code}

Item.as
{code}
package
{
        [Bindeable]
        public class Item
        {
                public var label:String;
                
                public function Item(label:String)
                {
                        this.label = label;
                }
                
                public function toString():String {
                        return label;
                }
        }
}
{code}

> Regression from 4.8 to 4.10: Spark list doesn't refresh with filterFunction
> ---------------------------------------------------------------------------
>
>                 Key: FLEX-34101
>                 URL: https://issues.apache.org/jira/browse/FLEX-34101
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Spark: List
>    Affects Versions: Apache Flex 4.10.0
>            Reporter: Tristan
>            Priority: Critical
>             Fix For: Apache Flex 4.12.0
>
>         Attachments: Test.fxp
>
>
> I will post a project to test the case.
> To reproduce
> - open and launch the projet
> - click on one line
> - on the new View, clic on the only button
> Apache Flex 4.8:
> - the view is popped and the item clicked disappears
> Apache Flex 4.10
> - the view is popped and the item clicked doesn't disappears
> - Just scroll a little bit on the spark list and the item disappears



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