| Package | mx.events |
| Class | public class TreeEvent |
| Inheritance | TreeEvent  Event Object |
| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
Related API Elements
Hide Inherited Public Properties
Show Inherited Public Properties| Property | Defined By | ||
|---|---|---|---|
| animate : Boolean
Whether to animate an opening or closing operation; used for
ITEM_OPENING type events only. | TreeEvent | ||
 | bubbles : Boolean [read-only]
Indicates whether an event is a bubbling event. | Event | |
| cancelable : Boolean [read-only]
Indicates whether the behavior associated with the event can be prevented. | Event | |
| constructor : Object
A reference to the class object or constructor function for a given object instance. | Object | |
| currentTarget : Object [read-only]
The object that is actively processing the Event object with an event listener. | Event | |
| dispatchEvent : Boolean
Whether to dispatch an event (ITEM_OPEN or
ITEM_CLOSE) after the open or close animation
is complete. | TreeEvent | ||
| eventPhase : uint [read-only]
The current phase in the event flow. | Event | |
| item : Object
Storage for the item property. | TreeEvent | ||
| itemRenderer : IListItemRenderer
The ListItemRenderer for the node that closed or opened. | TreeEvent | ||
| opening : Boolean
Used for an ITEM_OPENING type events only. | TreeEvent | ||
| target : Object [read-only]
The event target. | Event | |
| triggerEvent : Event
The low level MouseEvent or KeyboardEvent that triggered this
event or null if this event was triggered programatically. | TreeEvent | ||
| type : String [read-only]
The type of event. | Event | |
| Method | Defined By | ||
|---|---|---|---|
TreeEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, item:Object = null, itemRenderer:IListItemRenderer = null, triggerEvent:Event = null)
Constructor. | TreeEvent | ||
|
Duplicates an instance of an Event subclass. | Event | |
|
A utility function for implementing the toString() method in custom
ActionScript 3.0 Event classes. | Event | |
|
Indicates whether an object has a specified property defined. | Object | |
|
Checks whether the preventDefault() method has been called on the event. | Event | |
|
Indicates whether an instance of the Object class is in the prototype chain of the object specified
as the parameter. | Object | |
|
Cancels an event's default behavior if that behavior can be canceled. | Event | |
|
Indicates whether the specified property exists and is enumerable. | Object | |
|
Sets the availability of a dynamic property for loop operations. | Object | |
|
Prevents processing of any event listeners in the current node and any subsequent nodes in
the event flow. | Event | |
|
Prevents processing of any event listeners in nodes subsequent to the current node in the
event flow. | Event | |
|
Returns the string representation of this object, formatted according to locale-specific conventions. | Object | |
|
Returns a string containing all the properties of the Event object. | Event | |
|
Returns the primitive value of the specified object. | Object | |
| Constant | Defined By | ||
|---|---|---|---|
| ITEM_CLOSE : String = "itemClose" [static]
The TreeEvent.ITEM_CLOSE event type constant indicates that a tree
branch closed or collapsed. | TreeEvent | ||
| ITEM_OPEN : String = "itemOpen" [static]
The TreeEvent.ITEM_OPEN event type constant indicates that a tree
branch opened or expanded. | TreeEvent | ||
| ITEM_OPENING : String = "itemOpening" [static]
The TreeEvent.ITEM_OPENING event type constant is dispatched immediately
before a tree opens or closes. | TreeEvent | ||
animate | property |
public var animate:Boolean| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
Whether to animate an opening or closing operation; used for ITEM_OPENING type events only.
dispatchEvent | property |
public var dispatchEvent:Boolean| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
Whether to dispatch an event (ITEM_OPEN or
ITEM_CLOSE) after the open or close animation
is complete. Used for ITEM_OPENING type events only.
item | property |
public var item:Object| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
Storage for the item property.
If you populate the Tree from XML data, access
the properties for the node as
event.item.@attribute_name.
itemRenderer | property |
public var itemRenderer:IListItemRenderer| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
The ListItemRenderer for the node that closed or opened.
opening | property |
public var opening:Boolean| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
Used for an ITEM_OPENING type events only.
Indicates whether the item
is opening true, or closing false.
triggerEvent | property |
public var triggerEvent:Event| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
The low level MouseEvent or KeyboardEvent that triggered this
event or null if this event was triggered programatically.
TreeEvent | () | Constructor |
public function TreeEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, item:Object = null, itemRenderer:IListItemRenderer = null, triggerEvent:Event = null)| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
Constructor. Normally called by the Flex Tree control; not used in application code.
Parameterstype:String — The event type; indicates the action that caused the event.
| |
bubbles:Boolean (default = false) | |
cancelable:Boolean (default = false) | |
item:Object (default = null) | |
itemRenderer:IListItemRenderer (default = null) | |
triggerEvent:Event (default = null) |
ITEM_CLOSE | Constant |
public static const ITEM_CLOSE:String = "itemClose"| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
The TreeEvent.ITEM_CLOSE event type constant indicates that a tree branch closed or collapsed.
The properties of the event object for this event type have the following values. Not all properties are meaningful for all kinds of events. See the detailed property descriptions for more information.
| Property | Value |
|---|---|
itemRenderer | The ListItemRenderer for the node that closed |
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. |
triggerEvent | If the node closed in response to a user action, identifies it as a keyboard action or a mouse action. |
item | the Tree item (node) that closed |
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. |
type | TreeEvent.ITEM_CLOSE |
ITEM_OPEN | Constant |
public static const ITEM_OPEN:String = "itemOpen"| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
The TreeEvent.ITEM_OPEN event type constant indicates that a tree branch opened or expanded.
The properties of the event object for this event type have the following values. Not all properties are meaningful for all kinds of events. See the detailed property descriptions for more information.
| Property | Value |
|---|---|
itemRenderer | The ListItemRenderer for the item (node) that opened |
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. |
triggerEvent | If the item (node) opened in response to a user action, identifies it as a keyboard action or a mouse action. |
item | the Tree node that opened. |
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. |
type | TreeEvent.ITEM_OPEN |
ITEM_OPENING | Constant |
public static const ITEM_OPENING:String = "itemOpening"| Language Version: | ActionScript 3.0 |
| Product Version: | Flex 3 |
| Runtime Versions: | Flash Player 9, AIR 1.1 |
The TreeEvent.ITEM_OPENING event type constant is dispatched immediately before a tree opens or closes.
The properties of the event object for this event type have the following values. Not all properties are meaningful for all kinds of events. See the detailed property descriptions for more information.
| Property | Value |
|---|---|
animate | Whether to animate the opening or closing operation. |
bubbles | false |
cancelable | true |
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. |
dispatchEvent | Whether to dispatch an
ITEM_OPEN or ITEM_CLOSE event
after the open or close animation is complete. true |
itemRenderer | The ListItemRenderer for the item (node) that opened |
item | the Tree node that opened. |
opening | true if the item is opening, false if it is closing. |
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. |
triggerEvent | If the item opened in response to a user action, identifies it as a keyboard action or a mouse action. |
type | TreeEvent.ITEM_OPENING |
Wed Nov 21 2018, 06:34 AM -08:00