Adobe Community: How do I get a ComboBox to show thumbnails when mousing over items?

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1. David_F57,

May 1, 2010 4:50 AM in reply to toft

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hi,

Not sure I understand your meaning here, do you have a thumbnail(icon) in the combobox and you want to display a full image or do you want a thumbnail to appear in the combobox when the mouse is over an item in it?

David

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2. toft,

May 1, 2010 5:05 AM in reply to David_F57

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No, I mean the items in the combobox can contain only image titles. When mousing over them I want to display a thumbnail image somewhere else in another component.

The problem is I dont know what event to use to do this - how do I get to the items that are not currently selected but just moused over. Hope this explains it better.

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3. David_F57,

May 1, 2010 5:47 AM in reply to toft

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hi,

I would do it in the mouseover event of the itemrenderer, in spark you just get the data.itemindex, in mx I think you need to get the itemindex through the renderers parent dataprovider. So get that index of the dataprovider and dispatch an event with the itemindex. That way you can do whatever it is you want by listening for the event.

David.

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4. toft,

May 1, 2010 6:17 AM in reply to David_F57

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Thanks David.

I`ll look into it. (Havent worked with item renderers yet so I guess it will take some time to figure it out)

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5. David_F57,

May 1, 2010 6:31 AM in reply to toft

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hi,

Are you working with flashbuilder or flexbuilder, using the newer spark stuff is much better and at least the samples around are fairly recent.

the following uses some simple renderers(did it for someone earlier today) it shows a simple mouseevent in the renderer, for what you want its a little more complex but not to much. This just may be an easy-in for itemrenderers and events.

http://gumbo.flashhub.net/norepeat/ source included

David.

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6. toft,

May 1, 2010 6:45 AM in reply to David_F57

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I`m working with Flash Builder, excited about the new stuff but havent gone through much yet. Thanks for the sample, I`ll spend some time studying it and get familiar with item renderers...

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How do I get a ComboBox to show thumbnails when mousing over items?

May 1, 2010 4:06 AM

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