Mega Code Archive
Use a Button control to invoke a validator, but the application first determines which validator to execute
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- validators\ConditionalVal.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>
import mx.events.ValidationResultEvent;
private var vEvent:ValidationResultEvent;
private function validateData():void {
if (String(country.selectedValue) == "Canada") {
vEvent = zipCN.validate(zipInput.text);
}
else {
vEvent = zipUS.validate(zipInput.text);
}
}
</fx:Script>
<fx:Declarations>
<mx:ZipCodeValidator id="zipUS" domain="US Only"
listener="{zipInput}" />
<mx:ZipCodeValidator id="zipCN" domain="Canada Only"
listener="{zipInput}" />
<s:RadioButtonGroup id="country" />
</fx:Declarations>
<s:RadioButton group="{country}" label="US" />
<s:RadioButton group="{country}" label="Canada" />
<s:TextInput id="zipInput" />
<s:Button label="Submit" click="validateData();" />
</s:Application>
]]>