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Posted to issues@flex.apache.org by "Gareth Daniel Smith (JIRA)" <ji...@apache.org> on 2014/04/15 12:18:14 UTC
[jira] [Created] (FLEX-34226) TypeError when using a spark List
with an empty dataProvider within an mx Form
Gareth Daniel Smith created FLEX-34226:
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Summary: TypeError when using a spark List with an empty dataProvider within an mx Form
Key: FLEX-34226
URL: https://issues.apache.org/jira/browse/FLEX-34226
Project: Apache Flex
Issue Type: Bug
Components: Spark: List
Affects Versions: Apache Flex 4.11.0
Environment: OS X
Reporter: Gareth Daniel Smith
Priority: Minor
I will attach an example that throws a TypeError because the item renderer is passed an object that is not an instance of Point.
I suspect the dodgy code is here: https://github.com/apache/flex-sdk/blob/323882d8a2619046e3833ae5e7033e7d9a70b4a1/frameworks/projects/spark/src/spark/components/supportClasses/ListBase.as#L311
Note that the mx List uses null instead of {} for the dummy element: https://github.com/apache/flex-sdk/blob/323882d8a2619046e3833ae5e7033e7d9a70b4a1/frameworks/projects/mx/src/mx/controls/listClasses/ListBase.as#L1475
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