<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml">
<mx:Script>
<![CDATA[
var t = [{label:'item1',data:1},{label:'item2',data:2}];
]]>
</mx:Script>
<mx:ComboBox id="cb" dataProvider="{t}">
</mx:ComboBox>
<mx:TextInput text="{cb.selectedItem.data}"></mx:TextInput>
</mx:Application>
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of pmarstonuoa
Sent: vendredi 1 juillet 2005 16:26
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Newbie can't find selectedItem in comboBox when dataProvider is remoteObject
Flex newbie here ;-)
As a way of checking out Flex I'm trying to port an ImageBank app
that was built using Flash MX, AMFPHP (Remoting) and mySQL
I've quickly got an interface up and running and I've managed to
populate a comboBox using the same remoting call that the original
comboBox uses.
In the original, selecting an item from the kingdom comboBox would
trigger another remoting call passing the selected item as an
argument.
The second call would result in the phylum comboBox being populated.
I can't get it to work in Flex.
I can populate the phylum comboBox if I pass an explicit argument,
but I just can't seem to find a way to access the 'selectedItem' from
the kingdom comboBox checking what I'm referencing I either get an
[object][object] or undefined! :-(
I've tried various things like selectedItem.data, getSelectedItem()
etc etc
Has anyone else done this and got an insight? I've read various bits
of documentation and searched this lists archive, but I seem to be
missing something?
Here's a summary version of my code - any insight would be very much
appreciated.
Cheers,
Phil
<mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml"
initialize="imagebank_ro.getCategories1.send();">
<mx:RemoteObject
endpoint="http://localhost/remoting/gateway.php"
id="imagebank_ro"
source="ImageBank"
protocol="http"
showBusyCursor="true">
<mx:method name="getCategories1" />
<mx:method name="getCategories2">
<mx:arguments>
<!-- this wont work -->
<arg1>{kingdoms_cb.selectedItem.label}</arg1>
<!-- but this does work -->
<!-- <arg1>Plantae</arg1> -->
</mx:arguments>
</mx:method>
</mx:RemoteObject>
...
<mx:ComboBox id="kingdoms_cb"
change="imagebank_ro.getCategories2.send();"
dataProvider="{imagebank_ro.getCategories1.result.items}" />
<mx:ComboBox id="phylums_cb"
dataProvider="{imagebank_ro.getCategories2.result.items}" />
...
</mx:Application>
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