| Paket | mx.validators |
| Sınıf | public class Validator |
| Miras Alma | Validator  EventDispatcher Object |
| Uygular | IMXMLObject, IValidator |
| Alt Sınıflar | CreditCardValidator, CurrencyValidator, DateValidator, EmailValidator, MultiTriggerValidator, MultiTriggerValidator, NumberValidator, PhoneNumberValidator, RegExpValidator, SocialSecurityValidator, StringValidator, StyleValidator, ZipCodeValidator |
| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
MXML Sözdizimini Göster
MXML Sözdizimini GizleThe Validator class defines the following tag attributes, which all of its subclasses inherit:
<mx:Validator
enabled="true|false"
listener="Value of the source property"
property="No default"
required="true|false"
requiredFieldError="This field is required."
source="No default"
trigger="Value of the source property"
triggerEvent="valueCommit"
/>
İlgili API Öğeleri
| Özellik | Tanımlayan: | ||
|---|---|---|---|
 | constructor : Object
Belirli bir nesne örneği için sınıf nesnesine veya yapıcı işlevine bir başvuru. | Object | |
| enabled : Boolean
Setting this value to false will stop the validator
from performing validation. | Validator | ||
| listener : Object
Specifies the validation listener. | Validator | ||
| 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 | ||
| Özellik | Tanımlayan: | ||
|---|---|---|---|
| actualListeners : Array [salt okunur]
Contains an Array of listener objects, if any,
or the source object. | Validator | ||
| actualTrigger : IEventDispatcher [salt okunur]
Contains the trigger object, if any,
or the source object. | Validator | ||
| resourceManager : IResourceManager [salt okunur]
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 | ||
| Yöntem | Tanımlayan: | ||
|---|---|---|---|
Constructor. | Validator | ||
| addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
EventDispatcher nesnesi olan bir olay dinleyici nesnesini, dinleyicinin bir olayın bildirimini alması için kaydeder. | EventDispatcher | |
|
Olay akışına bir olay gönderir. | EventDispatcher | |
|
EventDispatcher nesnesinin belirli bir olay türü için kayıtlı dinleyicisi olup olmadığını kontrol eder. | EventDispatcher | |
|
Bir nesnenin belirli bir özelliğinin tanımlı olup olmadığını gösterir. | Object | |
Called automatically by the MXML compiler when the Validator
is created using an MXML tag. | Validator | ||
|
Object sınıfının bir örneğinin parametre olarak belirtilen nesnenin prototip zincirinde olup olmadığını gösterir. | Object | |
|
Belirtilen özelliğin bulunup bulunmadığını ve numaralandırılabilir olup olmadığını gösterir. | Object | |
|
EventDispatcher nesnesinden bir dinleyiciyi kaldırır. | EventDispatcher | |
|
Dinamik bir özelliğin döngü işlemlerinde kullanılabilirliğini ayarlar. | Object | |
|
Bu nesnenin, yerel ayara özel kurallara göre biçimlendirilmiş dize temsilini döndürür. | Object | |
|
Belirtilen nesnenin dize olarak temsil edilen halini döndürür. | Object | |
Performs validation and optionally notifies
the listeners of the result. | Validator | ||
[statik]
Invokes all the validators in the validators Array. | Validator | ||
|
Belirtilen nesnenin temel değerini döndürür. | Object | |
|
Bir olay dinleyicisinin bu EventDispatcher nesnesiyle mi, yoksa onun belirtilen olay türüne yönelik üst öğelerinden biriyle mi kayıtlı olduğunu kontrol eder. | EventDispatcher | |
| Yöntem | Tanımlayan: | ||
|---|---|---|---|
Sets up all of the listeners for the
valid and invalid
events dispatched from the validator. | Validator | ||
Executes the validation logic of this validator,
including validating that a missing or empty value
causes a validation error as defined by
the value of the required property. | Validator | ||
Returns the Object to validate. | Validator | ||
Returns a ValidationResultEvent from the Array of error results. | Validator | ||
Returns true if value is not null. | Validator | ||
Disconnects all of the listeners for the
valid and invalid
events dispatched from the validator. | Validator | ||
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 | ||
| Olay | Özet | Tanımlayan: | ||
|---|---|---|---|---|
| [broadcast olayı] Flash Player veya AIR uygulaması işletim sistemi odağına gelip etkin olduğunda gönderilir. | EventDispatcher | ||
| [broadcast olayı] Çalışan Flash Player veya AIR uygulaması sistem odağını kaybettiğinde ve etkin olmayan duruma geldiğinde gönderilir. | EventDispatcher | ||
| Dispatched when validation fails. | Validator | |||
| Dispatched when validation succeeds. | Validator | |||
| Sabit | Tanımlayan: | ||
|---|---|---|---|
| DECIMAL_DIGITS : String = "0123456789" [statik]
A String containing the decimal digits 0 through 9. | Validator | ||
| ROMAN_LETTERS : String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" [statik]
A string containing the upper- and lower-case letters
of the Roman alphabet ("A" through "Z" and "a" through "z"). | Validator | ||
actualListeners | özellik |
actualListeners:Array [salt okunur] | Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Contains an Array of listener objects, if any, or the source object. Used to determine which object to notify about the validation result.
Uygulama
protected function get actualListeners():ArrayactualTrigger | özellik |
actualTrigger:IEventDispatcher [salt okunur] | Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Contains the trigger object, if any,
or the source object. Used to determine the listener object
for the triggerEvent.
Uygulama
protected function get actualTrigger():IEventDispatcherenabled | özellik |
enabled:Boolean| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Setting this value to false will stop the validator
from performing validation.
When a validator is disabled, it dispatch no events,
and the validate() method returns null.
Varsayılan değer şudur true.
Uygulama
public function get enabled():Boolean public function set enabled(value:Boolean):voidlistener | özellik |
listener:Object| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Specifies the validation listener.
If you do not specify a listener,
Flex uses the value of the source property.
After Flex determines the source component,
it changes the border color of the component,
displays an error message for a failure,
or hides any existing error message for a successful validation.
Uygulama
public function get listener():Object public function set listener(value:Object):voidproperty | özellik |
property:String| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
A String specifying the name of the property
of the source object that contains
the value to validate.
The property is optional, but if you specify source,
you should set a value for this property as well.
Varsayılan değer şudur null.
Uygulama
public function get property():String public function set property(value:String):voidrequired | özellik |
public var required:Boolean = true| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
If true, specifies that a missing or empty
value causes a validation error.
Varsayılan değer şudur true.
requiredFieldError | özellik |
requiredFieldError:String| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Error message when a value is missing and the
required property is true.
Varsayılan değer şudur "This field is required.".
Uygulama
public function get requiredFieldError():String public function set requiredFieldError(value:String):voidresourceManager | özellik |
resourceManager:IResourceManager [salt okunur] | Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
A reference to the object which manages all of the application's localized resources. This is a singleton instance which implements the IResourceManager interface.
Bu özellik veri ciltleme kaynağı olarak kullanılabilir. Bu özellik değiştirildiğinde, unused olayını gönderir.
Uygulama
protected function get resourceManager():IResourceManagersource | özellik |
source:Object| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Specifies the object containing the property to validate.
Set this to an instance of a component or a data model.
You use data binding syntax in MXML to specify the value.
This property supports dot-delimited Strings
for specifying nested properties.
If you specify a value to the source property,
then you should specify a value to the property
property as well.
The source property is optional.
Varsayılan değer şudur null.
Uygulama
public function get source():Object public function set source(value:Object):voidsubFields | özellik |
protected var subFields:Array| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
An Array of Strings containing the names for the properties contained
in the value Object passed to the validate() method.
For example, CreditCardValidator sets this property to
[ "cardNumber", "cardType" ].
This value means that the value Object
passed to the validate() method
should contain a cardNumber and a cardType property.
Subclasses of the Validator class that validate multiple data fields (like CreditCardValidator and DateValidator) should assign this property in their constructor.
trigger | özellik |
trigger:IEventDispatcher| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Specifies the component generating the event that triggers the validator.
If omitted, by default Flex uses the value of the source property.
When the trigger dispatches a triggerEvent,
validation executes.
Uygulama
public function get trigger():IEventDispatcher public function set trigger(value:IEventDispatcher):voidtriggerEvent | özellik |
triggerEvent:String| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Specifies the event that triggers the validation.
If omitted, Flex uses the valueCommit event.
Flex dispatches the valueCommit event
when a user completes data entry into a control.
Usually this is when the user removes focus from the component,
or when a property value is changed programmatically.
If you want a validator to ignore all events,
set triggerEvent to the empty string ("").
Uygulama
public function get triggerEvent():String public function set triggerEvent(value:String):voidValidator | () | Yapıcı |
public function Validator()| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Constructor.
addListenerHandler | () | yöntem |
protected function addListenerHandler():void| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Sets up all of the listeners for the
valid and invalid
events dispatched from the validator. Subclasses of the Validator class
should first call the removeListenerHandler() method,
and then the addListenerHandler() method if
the value of one of their listeners or sources changes.
The CreditCardValidator and DateValidator classes use this function internally.
doValidation | () | yöntem |
protected function doValidation(value:Object):Array| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Executes the validation logic of this validator,
including validating that a missing or empty value
causes a validation error as defined by
the value of the required property.
If you create a subclass of a validator class, you must override this method.
Parametreler
value:Object — Value to validate.
|
Array — For an invalid result, an Array of ValidationResult objects,
with one ValidationResult object for each field examined
by the validator that failed validation.
|
İlgili API Öğeleri
getValueFromSource | () | yöntem |
protected function getValueFromSource():Object| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Returns the Object to validate. Subclasses, such as the CreditCardValidator and DateValidator classes, override this method because they need to access the values from multiple subfields.
DöndürürObject — The Object to validate.
|
handleResults | () | yöntem |
protected function handleResults(errorResults:Array):ValidationResultEvent| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Returns a ValidationResultEvent from the Array of error results.
Internally, this function takes the results from the
doValidation() method and puts it into a ValidationResultEvent object.
Subclasses, such as the RegExpValidator class,
should override this function if they output a subclass
of ValidationResultEvent objects, such as the RegExpValidationResult objects, and
needs to populate the object with additional information. You never
call this function directly, and you should rarely override it.
Parametreler
errorResults:Array — Array of ValidationResult objects.
|
ValidationResultEvent — The ValidationResultEvent returned by the validate() method.
|
initialized | () | yöntem |
public function initialized(document:Object, id:String):void| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Called automatically by the MXML compiler when the Validator is created using an MXML tag.
Parametreler
document:Object — The MXML document containing this Validator.
| |
id:String — Ignored.
|
isRealValue | () | yöntem |
removeListenerHandler | () | yöntem |
protected function removeListenerHandler():void| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Disconnects all of the listeners for the
valid and invalid
events dispatched from the validator. Subclasses should first call the
removeListenerHandler() method and then the
addListenerHandler method if
the value of one of their listeners or sources changes.
The CreditCardValidator and DateValidator classes use this function internally.
resourcesChanged | () | yöntem |
protected function resourcesChanged():void| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
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.
This event will be dispatched when you set the ResourceManager's
localeChain property, when a resource module
has finished loading, and when you call the ResourceManager's
update() method.
Subclasses should override this method and, after calling
super.resourcesChanged(), do whatever is appropriate
in response to having new resource values.
validate | () | yöntem |
public function validate(value:Object = null, suppressEvents:Boolean = false):ValidationResultEvent| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Performs validation and optionally notifies the listeners of the result.
Parametreler
value:Object (default = null)source and
property properties to determine the value.
If you specify this argument, you should also set the
listener property to specify the target component
for any validation error messages.
| |
suppressEvents:Boolean (default = false)false, then after validation,
the validator will notify the listener of the result.
|
ValidationResultEvent — A ValidationResultEvent object
containing the results of the validation.
For a successful validation, the
ValidationResultEvent.results Array property is empty.
For a validation failure, the
ValidationResultEvent.results Array property contains
one ValidationResult object for each field checked by the validator,
both for fields that failed the validation and for fields that passed.
Examine the ValidationResult.isError
property to determine if the field passed or failed the validation.
|
İlgili API Öğeleri
validateAll | () | yöntem |
public static function validateAll(validators:Array):Array| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Invokes all the validators in the validators Array.
Returns an Array containing one ValidationResultEvent object
for each validator that failed.
Returns an empty Array if all validators succeed.
Parametreler
validators:Array — An Array containing the Validator objects to execute.
|
Array — Array of ValidationResultEvent objects, where the Array
contains one ValidationResultEvent object for each validator
that failed.
The Array is empty if all validators succeed.
|
invalid | Olay |
mx.events.ValidationResultEventözellik ValidationResultEvent.type =
mx.events.ValidationResultEvent.INVALID| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Dispatched when validation fails.
TheValidationResultEvent.INVALID constant defines the value of the
type property of the event object for an invalid event.
The value of this constant is "invalid".
The properties of the event object have the following values:
| Property | Value |
|---|---|
bubbles | false |
cancelable | false |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
field | The name of the field that failed validation. |
message | A single string that contains every error message from all of the ValidationResult objects in the results Array. |
results | An array of ValidationResult objects, one per validated field. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
valid | Olay |
mx.events.ValidationResultEventözellik ValidationResultEvent.type =
mx.events.ValidationResultEvent.VALID| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
Dispatched when validation succeeds.
TheValidationResultEvent.VALID constant defines the value of the
type property of the event object for a validevent.
The value of this constant is "valid".
The properties of the event object have the following values:
| Property | Value |
|---|---|
bubbles | false |
cancelable | false |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
field | An empty String. |
message | An empty String. |
results | An empty Array. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
DECIMAL_DIGITS | Sabit |
protected static const DECIMAL_DIGITS:String = "0123456789"| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
A String containing the decimal digits 0 through 9.
ROMAN_LETTERS | Sabit |
protected static const ROMAN_LETTERS:String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"| Dil Sürümü: | ActionScript 3.0 |
| Ürün Sürümü: | Flex 3 |
| Çalışma Zamanı Sürümleri: | Flash Player 9, AIR 1.1 |
A string containing the upper- and lower-case letters of the Roman alphabet ("A" through "Z" and "a" through "z").
<?xml version="1.0" encoding="utf-8"?>
<!-- Simple example to demonstrate the Validator class. -->
<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>
<![CDATA[
// Import necessary classes.
import mx.controls.Alert;
import mx.events.ValidationResultEvent;
// Event listener for the valid and invalid events.
private function handleValid(evt:ValidationResultEvent):void {
if (evt.type == ValidationResultEvent.VALID) {
// Enable Submit button.
submitButton.enabled = true;
} else {
submitButton.enabled = false;
}
}
// Submit form is everything is valid.
private function submitForm():void {
Alert.show("Form Submitted!");
}
]]>
</fx:Script>
<fx:Declarations>
<!-- The Validator class defines the required property and the validator events
used by all validator subclasses. -->
<mx:Validator id="reqValid" required="true"
source="{fname}" property="text"
valid="handleValid(event)"
invalid="handleValid(event);" />
</fx:Declarations>
<s:Panel title="Validator Example"
width="75%" height="75%"
horizontalCenter="0" verticalCenter="0">
<mx:Form left="10" right="10" top="10" bottom="10">
<mx:FormItem>
<mx:Text width="100%" color="blue"
text="Enter a value in the Name field before you can submit. The E-mail field is optional."/>
</mx:FormItem>
<mx:FormItem label="Name: " required="true">
<mx:TextInput id="fname" width="100%"/>
</mx:FormItem>
<mx:FormItem label="E-mail address: " required="false">
<mx:TextInput id="email" width="100%"/>
</mx:FormItem>
<mx:FormItem>
<mx:Button id="submitButton" enabled="false"
label="Submit" click="submitForm();"/>
</mx:FormItem>
</mx:Form>
</s:Panel>
</s:Application>
Tue Jun 12 2018, 01:09 PM Z