ComboBox data

I have a combobox that uses an ArrayCollection to populate
it. I can't seem to get the 'data' from it though. What am I
missing?
I know the ArrayCollection works fine, but when I select the
2 'breeds', it gets populated with nothing.
Here is my comboBox
<mx:ComboBox id="breed1_txt" visible="false"
toolTip="Select the dominant breed of the pet"
dataProvider="{breedTypes}" labelField="breedName" />
Here is my create function when the form is submitted:
public function addPet(e:Event):void {
var petInfo:Object = new Object();
petInfo.petName = petName_txt.text;
petInfo.petType = petType_txt.selectedItem.data;
petInfo.petBreed = breed1_txt.selectedItem.data;
petInfo.petBreed2 = breed2_txt.selectedItem.data;
petInfo.petGender = petGender_txt.selectedItem.data;
petInfo.petAge = petAge_txt.selectedItem.data;
petInfo.petColors = petColors_txt.text;
petDAO.create({petData:petInfo});
petBreed1 and petBreed2 end up empty. Any clues?

"projectproofing" <[email protected]> wrote
in message
news:g9mm3d$q11$[email protected]..
>I have a combobox that uses an ArrayCollection to
populate it. I can't seem
>to
> get the 'data' from it though. What am I missing?
>
> I know the ArrayCollection works fine, but when I select
the 2 'breeds',
> it
> gets populated with nothing.
>
> Here is my comboBox
> <mx:ComboBox id="breed1_txt" visible="false"
toolTip="Select the dominant
> breed of the pet" dataProvider="{breedTypes}"
labelField="breedName" />
>
> Here is my create function when the form is submitted:
> public function addPet(e:Event):void {
> var petInfo:Object = new Object();
> petInfo.petName = petName_txt.text;
> petInfo.petType = petType_txt.selectedItem.data;
> petInfo.petBreed = breed1_txt.selectedItem.data;
> petInfo.petBreed2 = breed2_txt.selectedItem.data;
> petInfo.petGender = petGender_txt.selectedItem.data;
> petInfo.petAge = petAge_txt.selectedItem.data;
> petInfo.petColors = petColors_txt.text;
> petDAO.create({petData:petInfo});
>
> }
>
> petBreed1 and petBreed2 end up empty. Any clues?
selectedItem should already _be_ the data that was used for
the
itemRenderer.
HTH;
Amy

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Duplicate Post

How do I get the value of a comboBox item that is in a grid?

Hi all,
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If this post answered your question or helped, please mark it as such.
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
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 <![CDATA[
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 public function initData():void {
 initDG=new ArrayCollection(DGArray);
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 var ac:ArrayCollection = event.currentTarget.dataProvider;
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 txt.text += ac.getItemAt(event.rowIndex).combo1 + "\n";
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 ]]>
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 dataProvider="{initDG}" change="dgChangeHandler(event);">
 <mx:columns>
 <mx:DataGridColumn dataField="Artist" />
 <mx:DataGridColumn dataField="Album" />
 <mx:DataGridColumn dataField="Price" />
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 <mx:ComboBox dataProvider="{data.combo2}"/>
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After compiling the following code and launching, the "$100.00" item in the Tariff ComboBox will be grayed out and inactive
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<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
creationComplete="init();">
<mx:Script>
 <![CDATA[
 import mx.collections.ArrayCollection;
 import mx.events.FlexEvent;
 /* The items in these ComboBoxes will be grayed out and inactive
 if their "valid" field is "false".
 After launching the application, open the "Tariff" ComboBox
 and notice the $100.00 item is grayed out and cannot be selected.
 QUESTION: what should be added to this application to support
 the following use cases of the ComboBoxes:
 1) If the user selects clothes and China in the Product and
 Source ComboBoxes, the "valid" field for the "$100.00" item
 in the "tariff" ArrayCollection changes to "true", so the
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 for the "none" item in the "tariff" ArrayCollection changes
 to "false", so the "none" item is gray and inactive
 2) If after performing 1) above, the user selects Mexico Source
 ComboBox, the "valid" field for the "$100.00" item in the
 "tariff" ArrayCollection changes to "false", so the "$100.00"
 item is gray and inactive. Also, the "valid" field for the
 "none" item in the "tariff" ArrayCollection changes to "true",
 so the "none" item is black and active
 I do not want to hard-code these business rules using if() constructs
 in ComboBox change handlers. Instead, I want to use the "invalid"
 ArrayCollection below to enforce whatever invalid combinations
 are in that AC. This will enable a flexible system.
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 {label: "cars", valid: true},
 {label: "clothes", valid: true}
 [Bindable] private var source:ArrayCollection = new ArrayCollection([
 {label: "China", valid: true},
 {label: "Mexico", valid: true}
 [Bindable] private var tariff:ArrayCollection = new ArrayCollection([
 {label: "none", valid: true},
 {label: "$100.00", valid: false}
 [Bindable] private var invalid:ArrayCollection = new ArrayCollection([
 ["cars"],["China"],["$100.00"],
 ["clothes"],["China"],["none"],
 ["clothes"],["Mexico"],["$100.00"]
 [Bindable] private var currProduct:Object = new Object();
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 systemManager.addEventListener(FlexEvent.VALUE_COMMIT, sysMgrHandler, true);
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 tgt.selectedItem = currProduct;
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 if(tgt.selectedItem.valid == false){
 tgt.selectedItem = currTariff;
 break;
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</mx:Script>
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<mx:Canvas width="{hb.width}">
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 <mx:Component>
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 <mx:ComboBox id="cbxTwo" dataProvider="{source}" open="currSource=cbxTwo.selectedItem;">
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 <mx:Component>
 <mx:Label text="{data.label}" color="{uint(data.valid==true?0x000000:0xCCCCCC)}"/>
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 </mx:itemRenderer>
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 <mx:itemRenderer>
 <mx:Component>
 <mx:Label text="{data.label}" color="{uint(data.valid==true?0x000000:0xCCCCCC)}"/>
 </mx:Component>
 </mx:itemRenderer>
 </mx:ComboBox>
</mx:HBox>
</mx:Application>

It seems like you may want another layer of indirection here. Not necessarily another class (that's probably needed, but orthogonal), but it seems awkward that your "valid/invalid" flags are sitting there directly in the combobox data provider ACs.The items themselves aren't really valid or invalid: it's whether they are selectable in the comboboxes based on the state of the entire application. Instead of storing plain Objects in those ACs, I'd suggest something like
class Validator {
public var selectedSource:String;
public var selectedProduct:String;
public var selectedTarriff:String;
public var invalid:ArrayList
public function isValid(type:String,item:String):Boolean {
 // loop over invalid to determine whether this particular item is valid, given the
 // currernt combination of selected items
class ValidatedItem {
public var name:String;
public var type:String;
public var validator:Validator;
public function get valid():Boolean {
 return validator.isValid(type, name);
Then fill your combobox dataproviders with ValidatedItems instead of Objects. You'll need to instantiate the Validator once for the app and inject it into each item (a Dependency Injection infrastructure like Mate or SmartyPants can make this easier). You can use a Singleton instead if that's more your thing (I'm trying to de-Singleton my life).
I think that you'll need to wire some extra binding to Validator since otherwise ValidatedItem won't update the valid property when the selected items on Validator change, but that's straigthforward.
Is this the sort of approach you were thinking of?
Maciek Sakrejda
Truviso, Inc.
www.truviso.com
Truviso is hiring: http://www.truviso.com/company-careers.php?i=87

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[http://diamond.businessobjects.com/node/2052Â | /node/2052]
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Hello and thanks in advance for your help.
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if u need further help u can mail me at [email protected]
Thanks
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I want to create a Java app for Palm (maybe others) that "ships" with >>a database of pre-loaded information so that the app can lookup data >>and allow the user to choose records for use in processing. I can see >>how the app itself can create a new database but I really want to be >>able to update the

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