Package | mx.collections |
Interface | public interface IHierarchicalData extends IEventDispatcher |
Implementors | HierarchicalData |
See also
Method | Defined By | ||
---|---|---|---|
![]() | 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. | IEventDispatcher | |
Returns true if the node can contain children. | IHierarchicalData | ||
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Dispatches an event into the event flow. | IEventDispatcher | |
Returns an Object representing the node's children. | IHierarchicalData | ||
Returns data from a node. | IHierarchicalData | ||
Returns the root data item. | IHierarchicalData | ||
Returns true if the node has children. | IHierarchicalData | ||
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Checks whether the EventDispatcher object has any listeners registered for a specific type
of event. | IEventDispatcher | |
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Removes a listener from the EventDispatcher object. | IEventDispatcher | |
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Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type. | IEventDispatcher |
canHaveChildren | () | method |
public function canHaveChildren(node:Object):Boolean
Returns true
if the node can contain children.
Nodes do not have to contain children for the method
to return true
.
This method is useful in determining whether other
nodes can be appended as children to the specified node.
Parameters
node:Object — The Object that defines the node.
|
Boolean — true if the node can contain children.
|
getChildren | () | method |
public function getChildren(node:Object):Object
Returns an Object representing the node's children.
Parameters
node:Object — The Object that defines the node.
If null , return a collection of top-level nodes.
|
Object — An Object containing the children nodes.
|
getData | () | method |
public function getData(node:Object):Object
Returns data from a node.
Parameters
node:Object — The node Object from which to get the data.
|
Object — The requested data.
|
getRoot | () | method |
public function getRoot():Object
Returns the root data item.
ReturnsObject — The Object containing the root data item.
|
hasChildren | () | method |
public function hasChildren(node:Object):Boolean
Returns true
if the node has children.
Parameters
node:Object — The Object that defines the node.
|
Boolean — true if the node has children.
|