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POFlex 4 - When I swap a Spark List itemRenderer at runtime using view states, List is clipping content (height not updated)
 

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  1. POFlex 4 - When I swap a Spark List itemRenderer at runtime using view states, List is clipping content (height not updated)
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    <p>I am trying to use two different item renderers via view states (detail, or open). The itemRenders display different data and different sizes. When a list item in the Opened state is clicked, the state is changed to detail and a new itemRenderer is used. However, the updated list clips content past 25 items. I have tried invalidateDisplayList() but doesn't seem to work. Thanks for any the help.</p> <pre><code>&lt;s:List id="list" currentStateChange="{list.invalidateDisplayList(); list.measuredHeight = 20000}" dataProvider="{items}" width.Opened="310" width.detail="610" skinClass="skins.ListSkin" itemRenderer="components.renderers.ListItemRenderer" itemRenderer.detail="components.renderers.ListItemRendererDetail"&gt; &lt;/s:List&gt; </code></pre> <p>I think it might actually have to to with the requestedRowCount property of the Layout class. I noticed that even if I set it to show all rows (-1), on a state change it defaults back to not showing all rows.</p> <pre><code>&lt;s:layout&gt; &lt;s:VerticalLayout gap="0" horizontalAlign="contentJustify" requestedRowCount="-1"/&gt; &lt;/s:layout&gt; </code></pre> <p>And one more thing, After some testing, 9998 px seems to be the limit for a List's height before it can no longer show all requested rows and scrollbars appear. Is there a workaround?</p>
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