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com.adobe.icomm.assetplacement.controller 

AttachmentLoader  - AS3 Przydzielanie zasobów

Pakietcom.adobe.icomm.assetplacement.controller
Klasapublic class AttachmentLoader
DziedziczenieAttachmentLoader Inheritance Object
Implementuje IMXMLObject, IPackageObject, IEventDispatcher

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

The attachment loader class is associated with a list of attachments in a package definition given a controller id. Furthermore it provides the ability to invoke INavigatorHost commands on any of the attachments in the list This may be done via the attachment name or by 0 based index.

Opening an attachment proper is not permitted from a navigator, only previewing is.

This class is not directly tied to any specific UIComponent. Instead it captures the behaviour of invoking various commands available in Acrobat in a way that can be used by any UI control.

Wyświetl przykłady



Właściwości publiczne
 WłaściwośćZdefiniowane przez
  attachmentCount : int
[tylko do odczytu] The number of Attachment objects associated to this loader.
AttachmentLoader
 Inheritedconstructor : Object
Odwołanie do obiektu klasy lub funkcji konstruktora, dotyczące danej instancji obiektu.
Object
  host : INavigatorHost
DEPRECATED The INavigatorHost object.
AttachmentLoader
  id : String
The id attribute is the key that maps this component to an asset in the package definition file.
AttachmentLoader
  packageAttachments : IList
[tylko do odczytu] A list of Attachment objects who's controller id attribute matches the id of this object.
AttachmentLoader
  packageController : Controller
[tylko do odczytu] The controller object who's id matches the id of this object.
AttachmentLoader
  packageResource : Resource
[tylko do odczytu] The current Resource object who's controller id attribute matches the id of this object.
AttachmentLoader
  packageResources : IList
[tylko do odczytu] A list of Resource objects who's controller id attribute matches the id of this object.
AttachmentLoader
Metody publiczne
 MetodaZdefiniowane przez
  
Construct an AttachmentLoader.
AttachmentLoader
  
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, weakRef:Boolean = false):void
Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.
AttachmentLoader
  
Dispatches an event into the event flow.
AttachmentLoader
  
Lookup the attachment with the current index within the list of attachments this loader is associated with.
AttachmentLoader
  
Checks whether the EventDispatcher object has any listeners registered for a specific type of event.
AttachmentLoader
 Inherited
Wskazuje, czy dla obiektu zdefiniowano określoną właściwość.
Object
 Inherited
Wskazuje, czy instancja klasy Object należy do łańcucha prototypów obiektu określonego jako parametr.
Object
  
Lookup the attachment with the given index within the list of attachments this loader is associated with.
AttachmentLoader
  
Lookup the attachment with the current index within the list of attachments this loader is associated with.
AttachmentLoader
 Inherited
Wskazuje, czy określona właściwość istnieje i jest przeliczalna.
Object
  
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
Removes a listener from the EventDispatcher object.
AttachmentLoader
 Inherited
Ustawia dostępność właściwości dynamicznej używanej w pętlach.
Object
 Inherited
Zwraca ciąg reprezentujący obiekt — sformatowany zgodnie z konwencjami właściwymi dla ustawień regionalnych.
Object
 Inherited
Zwraca ciąg reprezentujący określony obiekt.
Object
 Inherited
Zwraca pierwotną wartość dla określonego obiektu.
Object
  
Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.
AttachmentLoader
Szczegół właściwości

attachmentCount

właściwość
attachmentCount:int  [tylko do odczytu]

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

The number of Attachment objects associated to this loader.



Implementacja
    public function get attachmentCount():int

host

właściwość 
host:INavigatorHost

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

DEPRECATED The INavigatorHost object. This is an interface to Acrobat and is used to ask Acrobat to preview attachment objects.



Implementacja
    public function get host():INavigatorHost
    public function set host(value:INavigatorHost):void

id

właściwość 
id:String

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

The id attribute is the key that maps this component to an asset in the package definition file. When the id is set, the AttachmentLoader will query the PackageDefinition for a list of Attachment objects that match this id. The Attachment objects can then be accessed using previewAttachmentByIndex() or previewAttachmentByName().



Implementacja
    public function get id():String
    public function set id(value:String):void

Powiązane elementy interfejsu API

packageAttachments

właściwość 
packageAttachments:IList  [tylko do odczytu]

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

A list of Attachment objects who's controller id attribute matches the id of this object.



Implementacja
    public function get packageAttachments():IList

packageController

właściwość 
packageController:Controller  [tylko do odczytu]

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

The controller object who's id matches the id of this object.



Implementacja
    public function get packageController():Controller

packageResource

właściwość 
packageResource:Resource  [tylko do odczytu]

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

The current Resource object who's controller id attribute matches the id of this object.



Implementacja
    public function get packageResource():Resource

packageResources

właściwość 
packageResources:IList  [tylko do odczytu]

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

A list of Resource objects who's controller id attribute matches the id of this object.



Implementacja
    public function get packageResources():IList
Konstruktor Szczegół

AttachmentLoader

()Konstruktor
public function AttachmentLoader(id:String = "")

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

Construct an AttachmentLoader. AttachmentLoaders can invoke INavigatorHost commands on attachments contained within an interactive document.

Parametry
id:String (default = "") — The controller id value of the <attachments> element this loader is associated with in the package definition.
Szczegół metody

addEventListener

()metoda
public function addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, weakRef:Boolean = false):void

Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event. You can register event listeners on all nodes in the display list for a specific type of event, phase, and priority.

After you successfully register an event listener, you cannot change its priority through additional calls to addEventListener(). To change a listener's priority, you must first call removeEventListener(). Then you can register the listener again with the new priority level.

After the listener is registered, subsequent calls to addEventListener() with a different value for either type or useCapture result in the creation of a separate listener registration. For example, if you first register a listener with useCapture set to true, it listens only during the capture phase. If you call addEventListener() again using the same listener object, but with useCapture set to false, you have two separate listeners: one that listens during the capture phase, and another that listens during the target and bubbling phases.

You cannot register an event listener for only the target phase or the bubbling phase. Those phases are coupled during registration because bubbling applies only to the ancestors of the target node.

When you no longer need an event listener, remove it by calling EventDispatcher.removeEventListener(); otherwise, memory problems might result. Objects with registered event listeners are not automatically removed from memory because the garbage collector does not remove objects that still have references.

Copying an EventDispatcher instance does not copy the event listeners attached to it. (If your newly created node needs an event listener, you must attach the listener after creating the node.) However, if you move an EventDispatcher instance, the event listeners attached to it move along with it.

If the event listener is being registered on a node while an event is also being processed on this node, the event listener is not triggered during the current phase but may be triggered during a later phase in the event flow, such as the bubbling phase.

If an event listener is removed from a node while an event is being processed on the node, it is still triggered by the current actions. After it is removed, the event listener is never invoked again (unless it is registered again for future processing).

Parametry

type:String — The type of event.
 
listener:Function — The listener function that processes the event. This function must accept an event object as its only parameter and must return nothing, as this example shows:

function(evt:Event):void

The function can have any name.
 
useCapture:Boolean (default = false) — Determines whether the listener works in the capture phase or the target and bubbling phases. If useCapture is set to true, the listener processes the event only during the capture phase and not in the target or bubbling phase. If useCapture is false, the listener processes the event only during the target or bubbling phase. To listen for the event in all three phases, call addEventListener() twice, once with useCapture set to true, then again with useCapture set to false.
 
priority:int (default = 0) — The priority level of the event listener. Priorities are designated by a 32-bit integer. The higher the number, the higher the priority. All listeners with priority n are processed before listeners of priority n-1. If two or more listeners share the same priority, they are processed in the order in which they were added. The default priority is 0.
 
weakRef:Boolean (default = false) — Determines whether the reference to the listener is strong or weak. A strong reference (the default) prevents your listener from being garbage-collected. A weak reference does not.

Class-level member functions are not subject to garbage collection, so you can set useWeakReference to true for class-level member functions without subjecting them to garbage collection. If you set useWeakReference to true for a listener that is a nested inner function, the function will be garbge-collected and no longer persistent. If you create references to the inner function (save it in another variable) then it is not garbage-collected and stays persistent.

dispatchEvent

()metoda 
public function dispatchEvent(event:Event):Boolean

Dispatches an event into the event flow. The event target is the EventDispatcher object upon which dispatchEvent() is called.

Parametry

event:Event — The event object dispatched into the event flow.

Zwraca
Boolean — A value of true unless preventDefault() is called on the event, in which case it returns false.

findAttachmentByIndex

()metoda 
public function findAttachmentByIndex(index:int):Boolean

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 10
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

Lookup the attachment with the current index within the list of attachments this loader is associated with. If found return TRUE. Otherwise return FALSE.

Parametry

index:int

Zwraca
Boolean

hasEventListener

()metoda 
public function hasEventListener(type:String):Boolean

Checks whether the EventDispatcher object has any listeners registered for a specific type of event. This allows you to determine where an EventDispatcher object has altered handling of an event type in the event flow hierarchy. To determine whether a specific event type will actually trigger an event listener, use IEventDispatcher.willTrigger().

The difference between hasEventListener() and willTrigger() is that hasEventListener() examines only the object to which it belongs, whereas willTrigger() examines the entire event flow for the event specified by the type parameter.

Parametry

type:String — The type of event.

Zwraca
Boolean — A value of true if a listener of the specified type is registered; false otherwise.

previewAttachmentByIndex

()metoda 
public function previewAttachmentByIndex(index:int):void

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

Lookup the attachment with the given index within the list of attachments this loader is associated with. If found invoke the PREVIEW command via the INavigatorHost interface. If we get asked to preview an attachment before the id/packagedef/host has been set then we'll set a flag to immediately do the preview once they'ave all been set. Throw an error if the given index is out of range.

Parametry

index:int — The 0-based index of the attachment to preview.

previewAttachmentByName

()metoda 
public function previewAttachmentByName(name:String):void

Wersja języka: ActionScript 3.0
Wersja produktu: Asset Placement Building Block 9.5
Wersje środowiska wykonawczego: AIR 1.0, Flash Player 9, Flash Player 10

Lookup the attachment with the current index within the list of attachments this loader is associated with. If found invoke the PREVIEW command via the INavigatorHost interface. If we get asked to preview an attachment before the id/packagedef/host has been set then we'll set a flag to immediately do the preview once they'ave all been set. Throws an error if no <attachment> entry with that name is found in the package definition or if one cannot be found within the host.

Parametry

name:String — The name of the attachment to preview. Should match the "name" attribute specified for the attachment in the package definition file.

removeEventListener

()metoda 
public function removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void

Removes a listener from the EventDispatcher object. If there is no matching listener registered with the EventDispatcher object, a call to this method has no effect.

Parametry

type:String — The type of event.
 
listener:Function — The listener object to remove.
 
useCapture:Boolean (default = false) — Specifies whether the listener was registered for the capture phase or the target and bubbling phases. If the listener was registered for both the capture phase and the target and bubbling phases, two calls to removeEventListener() are required to remove both: one call with useCapture set to true, and another call with useCapture set to false.

willTrigger

()metoda 
public function 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. This method returns true if an event listener is triggered during any phase of the event flow when an event of the specified type is dispatched to this EventDispatcher object or any of its descendants.

The difference between hasEventListener() and willTrigger() is that hasEventListener() examines only the object to which it belongs, whereas willTrigger() examines the entire event flow for the event specified by the type parameter.

Parametry

type:String — The type of event.

Zwraca
Boolean — A value of true if a listener of the specified type will be triggered; false otherwise.
Consider a preview button declaration:
     <mx:Button id="myButton" width="100" height="50" label="View statement" click="// Pass in the controller id 'printDocument' in this case
                                                                                       var loader:AttachmentLoader = new AttachmentLoader('printDocument');
                                                                                       loader.previewAttachmentByName('printDocument.pdf');
                                                                                       //or loader.previewAttachmentByIndex(0)"/>
     

Alternatively you could do:

      <ap:AttachmentLoader id="printDocument" />
      <mx:Button id="myButton" width="100" height="50" label="View statement" click="printDocument.previewAttachmentByIndex(0);" />
     




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