BindingUtils - Adobe ActionScript® 3 (AS3 Flex) API Başvurusu

Paket	mx.binding.utils
Sınıf	public class BindingUtils
Miras Alma	BindingUtils Object

Dil Sürümü:

ActionScript 3.0

Ürün Sürümü:

Flex 3

Çalışma Zamanı Sürümleri:

Flash Player 9, AIR 1.1

The BindingUtils class defines utility methods for performing data binding from ActionScript. You can use the methods defined in this class to configure data bindings.

Genel Özellikler

Miras Alınan Genel Özellikleri Gizle

Miras Alınan Genel Özellikleri Göster

	Özellik		Tanımlayan:
		constructor : Object Belirli bir nesne örneği için sınıf nesnesine veya yapıcı işlevine bir başvuru.	Object

Genel Yöntemler

Miras Alınan Genel Yöntemleri Gizle

Miras Alınan Genel Yöntemleri Göster

	Yöntem		Tanımlayan:
		bindProperty(site:Object, prop:String, host:Object, chain:Object, commitOnly:Boolean = false, useWeakReference:Boolean = false):ChangeWatcher [statik] Binds a public property, prop on the site Object, to a bindable property or property chain.	BindingUtils
		bindSetter(setter:Function, host:Object, chain:Object, commitOnly:Boolean = false, useWeakReference:Boolean = false):ChangeWatcher [statik] Binds a setter function, setter, to a bindable property or property chain.	BindingUtils
		hasOwnProperty(name:String):Boolean Bir nesnenin belirli bir özelliğinin tanımlı olup olmadığını gösterir.	Object
		isPrototypeOf(theClass:Object):Boolean Object sınıfının bir örneğinin parametre olarak belirtilen nesnenin prototip zincirinde olup olmadığını gösterir.	Object
		propertyIsEnumerable(name:String):Boolean Belirtilen özelliğin bulunup bulunmadığını ve numaralandırılabilir olup olmadığını gösterir.	Object
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Dinamik bir özelliğin döngü işlemlerinde kullanılabilirliğini ayarlar.	Object
		toLocaleString():String Bu nesnenin, yerel ayara özel kurallara göre biçimlendirilmiş dize temsilini döndürür.	Object
		toString():String Belirtilen nesnenin dize olarak temsil edilen halini döndürür.	Object
		valueOf():Object Belirtilen nesnenin temel değerini döndürür.	Object

Yöntem Ayrıntısı

bindProperty

()

yöntem

 public static function bindProperty(site:Object, prop:String, host:Object, chain:Object, commitOnly:Boolean = false, useWeakReference:Boolean = false):ChangeWatcher

Dil Sürümü:

ActionScript 3.0

Ürün Sürümü:

Flex 3

Çalışma Zamanı Sürümleri:

Flash Player 9, AIR 1.1

Binds a public property, prop on the site Object, to a bindable property or property chain. If a ChangeWatcher instance is successfully created, prop is initialized to the current value of chain.

Parametreler

	`site:Object` — The Object defining the property to be bound to `chain`.

	`prop:String` — The name of the public property defined in the `site` Object to be bound. The property will receive the current value of `chain`, when the value of `chain` changes.

	`host:Object` — The object that hosts the property or property chain to be watched. The `host` maintains a list of `sites` to update when `prop` changes.

	`chain:Object` — A value specifying the property or chain to be watched. Legal values are: String containing the name of a public bindable property of the host object. An Object in the form: `{ name: property name, getter: function(host) { return host[property name] } }`. This Object must contain the name of, and a getter function for, a public bindable property of the host object. A non-empty Array containing a combination of the first two options that represents a chain of bindable properties accessible from the host. For example, to bind the property `host.a.b.c`, call the method as: `bindProperty(site, prop, host, ["a","b","c"])`. Note: The property or properties named in the `chain` argument must be public, because the `describeType()` method suppresses all information about non-public properties, including the bindability metadata that ChangeWatcher scans to find the change events that are exposed for a given property. However, the getter function supplied when using the `{ name, getter }` argument form described above can be used to associate an arbitrary computed value with the named (public) property.

	`commitOnly:Boolean` (default = `false`) — Set to `true` if the handler should be called only on committing change events; set to `false` if the handler should be called on both committing and non-committing change events. Note: the presence of non-committing change events for a property is indicated by the `[NonCommittingChangeEvent(<event-name>)]` metadata tag. Typically these tags are used to indicate fine-grained value changes, such as modifications in a text field prior to confirmation.

	`useWeakReference:Boolean` (default = `false`) — Determines whether the reference to `site` is strong or weak. A strong reference (the default) prevents `site` from being garbage-collected. A weak reference does not. Added for Flex 4.

Döndürür

ChangeWatcher — A ChangeWatcher instance, if at least one property name has been specified to the chain argument; null otherwise.

bindSetter

()

yöntem

 public static function bindSetter(setter:Function, host:Object, chain:Object, commitOnly:Boolean = false, useWeakReference:Boolean = false):ChangeWatcher

Dil Sürümü:

ActionScript 3.0

Ürün Sürümü:

Flex 3

Çalışma Zamanı Sürümleri:

Flash Player 9, AIR 1.1

Binds a setter function, setter, to a bindable property or property chain. If a ChangeWatcher instance is successfully created, the setter function is invoked. The setter must have the following function signature:

      function mySetterFunction(object:Object):void {
          //Do whatever you want with the value of the bound property.
      }

where object contains the current value of chain.

Parametreler

	`setter:Function` — Setter method to invoke with an argument of the current value of `chain` when that value changes.

	`host:Object` — The host of the property. See the `bindProperty()` method for more information. The `host` maintains a list of `setters` to update when `prop` changes.

	`chain:Object` — The name of the property, or property chain. See the `bindProperty()` method for more information.

	`commitOnly:Boolean` (default = `false`) — Set to `true` if the handler should be called only on committing change events. See the `bindProperty()` method for more information.

	`useWeakReference:Boolean` (default = `false`) — Determines whether the reference to `setter` is strong or weak. A strong reference (the default) prevents `setter` from being garbage-collected. A weak reference does not. Added for Flex 4.

Döndürür

ChangeWatcher — A ChangeWatcher instance, if at least one property name has been specified to the chain argument; null otherwise.

Yasal Uyarılar | Çevrimiçi Gizlilik İlkesi

BindingUtils - AS3 Flex

Sınıflar x

bindProperty

bindSetter