PhoneNumberValidator

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Package	mx.validators
Class	public class PhoneNumberValidator
Inheritance	PhoneNumberValidator Validator EventDispatcher Object

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The PhoneNumberValidator class validates that a string is a valid phone number. A valid phone number contains at least 10 digits, plus additional formatting characters. The validator does not check if the phone number is an actual active phone number.

MXML Syntax expanded

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The <mx:PhoneNumberValidator> tag inherits all of the tag attributes of its superclass, and adds the following tag attributes:

  <mx:PhoneNumberValidator 
    allowedFormatChars="()- .+" 
    invalidCharError="Your telephone number contains invalid characters."
 	  minDigits="10"
    wrongLengthError="Your telephone number must contain at least 10 digits."
  />

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Validating data
Validating phone numbers

Public Properties

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	Property		Defined By
		allowedFormatChars : String The set of allowable formatting characters.	PhoneNumberValidator
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		enabled : Boolean Setting this value to false will stop the validator from performing validation.	Validator
		invalidCharError : String Error message when the value contains invalid characters.	PhoneNumberValidator
		listener : Object Specifies the validation listener.	Validator
		minDigits : Object Minimum number of digits for a valid phone number.	PhoneNumberValidator
		property : String A String specifying the name of the property of the source object that contains the value to validate.	Validator
		required : Boolean = true If true, specifies that a missing or empty value causes a validation error.	Validator
		requiredFieldError : String Error message when a value is missing and the required property is true.	Validator
		source : Object Specifies the object containing the property to validate.	Validator
		trigger : IEventDispatcher Specifies the component generating the event that triggers the validator.	Validator
		triggerEvent : String Specifies the event that triggers the validation.	Validator
		wrongLengthError : String Error message when the value has fewer than 10 digits.	PhoneNumberValidator

Protected Properties

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	Property		Defined By
		actualListeners : Array [read-only] Contains an Array of listener objects, if any, or the source object.	Validator
		actualTrigger : IEventDispatcher [read-only] Contains the trigger object, if any, or the source object.	Validator
		resourceManager : IResourceManager [read-only] A reference to the object which manages all of the application's localized resources.	Validator
		subFields : Array An Array of Strings containing the names for the properties contained in the value Object passed to the validate() method.	Validator

Public Methods

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	Method		Defined By
		PhoneNumberValidator() Constructor.	PhoneNumberValidator
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.	EventDispatcher
		dispatchEvent(event:Event):Boolean Dispatches an event into the event flow.	EventDispatcher
		hasEventListener(type:String):Boolean Checks whether the EventDispatcher object has any listeners registered for a specific type of event.	EventDispatcher
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		initialized(document:Object, id:String):void Called automatically by the MXML compiler when the Validator is created using an MXML tag.	Validator
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
		propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable.	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Removes a listener from the EventDispatcher object.	EventDispatcher
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String Returns the string representation of the specified object.	Object
		validate(value:Object = null, suppressEvents:Boolean = false):ValidationResultEvent Performs validation and optionally notifies the listeners of the result.	Validator
		validateAll(validators:Array):Array [static] Invokes all the validators in the validators Array.	Validator
		validatePhoneNumber(validator:PhoneNumberValidator, value:Object, baseField:String):Array [static] Convenience method for calling a validator from within a custom validation function.	PhoneNumberValidator
		valueOf():Object Returns the primitive value of the specified object.	Object
		willTrigger(type:String):Boolean Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.	EventDispatcher

Protected Methods

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	Method		Defined By
		addListenerHandler():void Sets up all of the listeners for the valid and invalid events dispatched from the validator.	Validator
		doValidation(value:Object):Array [override] Override of the base class doValidation() method to validate a phone number.	PhoneNumberValidator
		getValueFromSource():Object Returns the Object to validate.	Validator
		handleResults(errorResults:Array):ValidationResultEvent Returns a ValidationResultEvent from the Array of error results.	Validator
		isRealValue(value:Object):Boolean Returns true if value is not null.	Validator
		removeListenerHandler():void Disconnects all of the listeners for the valid and invalid events dispatched from the validator.	Validator
		resourcesChanged():void This method is called when a Validator is constructed, and again whenever the ResourceManager dispatches a "change" Event to indicate that the localized resources have changed in some way.	Validator

Events

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	Summary	Defined By
activate	[broadcast event] Dispatched when the Flash Player or AIR application gains operating system focus and becomes active.	EventDispatcher
deactivate	[broadcast event] Dispatched when the Flash Player or AIR application operating loses system focus and is becoming inactive.	EventDispatcher
invalid	Dispatched when validation fails.	Validator
valid	Dispatched when validation succeeds.	Validator

Protected Constants

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	Constant		Defined By

Property Detail

allowedFormatChars

property

allowedFormatChars:String

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The set of allowable formatting characters.

The default value is "()- .+".

Implementation
public function get allowedFormatChars():String
public function set allowedFormatChars(value:String):void

invalidCharError

property

invalidCharError:String

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Error message when the value contains invalid characters.

The default value is "Your telephone number contains invalid characters.".

Implementation
public function get invalidCharError():String
public function set invalidCharError(value:String):void

minDigits

property

minDigits:Object

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Minimum number of digits for a valid phone number. A value of NaN means this property is ignored.

The default value is 10.

Implementation
public function get minDigits():Object
public function set minDigits(value:Object):void

wrongLengthError

property

wrongLengthError:String

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Error message when the value has fewer than 10 digits.

The default value is "Your telephone number must contain at least 10 digits.".

Implementation
public function get wrongLengthError():String
public function set wrongLengthError(value:String):void

Constructor Detail

()

Constructor

public function PhoneNumberValidator()

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Constructor.

Method Detail

doValidation

()

method

override protected function doValidation(value:Object):Array

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Override of the base class doValidation() method to validate a phone number.

You do not typically call this method directly; Flex calls it as part of performing a validation. If you create a custom Validator class, you must implement this method.

Parameters

value:Object — Object to validate.

Returns

Array — An Array of ValidationResult objects, with one ValidationResult object for each field examined by the validator.

validatePhoneNumber

()

method

public static function validatePhoneNumber(validator:PhoneNumberValidator, value:Object, baseField:String):Array

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Convenience method for calling a validator from within a custom validation function. Each of the standard Flex validators has a similar convenience method.

Parameters

	`validator:PhoneNumberValidator` — The PhoneNumberValidator instance.

	`value:Object` — A field to validate.

	`baseField:String` — Text representation of the subfield specified in the `value` parameter. For example, if the `value` parameter specifies value.phone, the `baseField` value is "phone".

Returns

Array — An Array of ValidationResult objects, with one ValidationResult object for each field examined by the validator.

Related API Elements

mx.validators.ValidationResult

Examples How to use this example

PhoneNumberValidatorExample.mxml

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<?xml version="1.0" encoding="utf-8"?>
<!-- Simple example to demonstrate the PhoneNumberValidator. -->
<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">

    <fx:Script>
        import mx.controls.Alert;
    </fx:Script>

    <fx:Declarations>
        <mx:PhoneNumberValidator source="{phone}" property="text" 
                trigger="{myButton}" triggerEvent="click"
                valid="Alert.show('Validation Succeeded!');"
                invalid="Alert.show('Validation Failed!');" />
    </fx:Declarations>

    <s:Panel title="Phone Number Validator Panel"
            width="75%" height="75%"
            horizontalCenter="0" verticalCenter="0">
        <mx:Form left="10" right="10" top="10" bottom="10">
            <mx:FormItem label="Enter 10-digit phone number: ">
                <s:TextInput id="phone" width="100%"/>
            </mx:FormItem>
            <mx:FormItem >
                <s:Button id="myButton" label="Validate" />
            </mx:FormItem>
        </mx:Form>
    </s:Panel>

</s:Application>

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PhoneNumberValidator - AS3 Flex

Classes x

allowedFormatChars

invalidCharError

minDigits

wrongLengthError