Using source and property properties to specify an object

           

<!--
Code from Flex 4 Documentation "Using Adobe Flex 4".

This user guide is licensed for use under the terms of the Creative Commons Attribution 
Non-Commercial 3.0 License. 

This License allows users to copy, distribute, and transmit the user guide for noncommercial 
purposes only so long as 
  (1) proper attribution to Adobe is given as the owner of the user guide; and 
  (2) any reuse or distribution of the user guide contains a notice that use of the user guide is governed by these terms. 
The best way to provide notice is to include the following link. 
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/

-->


    <!-- validators\CCExampleSource.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx">
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <fx:Script> 
         
        [Bindable] 
        public var ccObj:Object = {cardType:String, cardNumber:String}; 
        public function valCC():void 
        { 
            // Populate ccObj with the data from the form. 
            ccObj.cardType = cardTypeCombo.selectedItem.data; 
            ccObj.cardNumber = cardNumberInput.text; 
            // Validate ccObj. 
            ccV.validate(); 
        } 
      
    </fx:Script>
    <fx:Declarations>
        <mx:CreditCardValidator id="ccV" source="{this}"
            property="ccObj" listener="{cardNumberInput}" />
    </fx:Declarations>
    <mx:Form id="creditCardForm">
        <mx:FormItem label="Card Type">
            <s:ComboBox id="cardTypeCombo">
                <s:dataProvider>
                    <s:ArrayList>
                        <fx:Object label="American Express" data="American Express" />
                        <fx:Object label="Diners Club" data="Diners Club" />
                        <fx:Object label="Discover" data="Discover" />
                        <fx:Object label="MasterCard" data="MasterCard" />
                        <fx:Object label="Visa" data="Visa" />
                    </s:ArrayList>
                </s:dataProvider>
            </s:ComboBox>
        </mx:FormItem>
        <mx:FormItem label="Credit Card Number">
            <s:TextInput id="cardNumberInput" />
        </mx:FormItem>
        <mx:FormItem>
            <s:Button label="Check Credit" click="valCC();" />
        </mx:FormItem>
    </mx:Form>
</s:Application>

Related examples in the same category

1.	Create an Object, adds properties, and inspect its properties
2.	Create a generic Object, adds properties to that object
3.	Define objects using properties directly in the Object tags
4.	Bind to a Generic Object

Using source and property properties to specify an object : Object « Development « Flex

Related examples in the same category