| 套件 | mx.controls.treeClasses |
| 介面 | public interface ITreeDataDescriptor2 extends ITreeDataDescriptor |
| 實作者 | DefaultDataDescriptor |
| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
相關 API 元素
公用方法
隱藏繼承公用方法
顯示繼承公用方法| 方法 | 定義自 | ||
|---|---|---|---|
 |
Adds a child node to a node at the specified index. | ITreeDataDescriptor | |
|
Provides access to a node's children, returning a collection
view of children if they exist. | ITreeDataDescriptor | |
|
Gets the data from a node. | ITreeDataDescriptor | |
getHierarchicalCollectionAdaptor(hierarchicalData:ICollectionView, uidFunction:Function, openItems:Object, model:Object = null):ICollectionView
Returns an ICollectionView instance that makes the hierarchical data appear
as if it was a linear ICollectionView instance. | ITreeDataDescriptor2 | ||
Returns the depth of the node, meaning the number of ancestors it has. | ITreeDataDescriptor2 | ||
Returns the parent of the node
The parent of a top-level node is null. | ITreeDataDescriptor2 | ||
|
Tests for the existence of children in a non-terminating node. | ITreeDataDescriptor | |
|
Tests a node for termination. | ITreeDataDescriptor | |
|
Removes a child node to a node at the specified index. | ITreeDataDescriptor | |
方法詳細資訊
getHierarchicalCollectionAdaptor | () | 方法 |
public function getHierarchicalCollectionAdaptor(hierarchicalData:ICollectionView, uidFunction:Function, openItems:Object, model:Object = null):ICollectionView| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
Returns an ICollectionView instance that makes the hierarchical data appear as if it was a linear ICollectionView instance.
參數
hierarchicalData:ICollectionView — The hierarchical data.
| |
uidFunction:Function — A function that takes an Object and returns the UID, as a String.
This parameter is usually the Tree.itemToUID() method.
| |
openItems:Object — The items that have been opened or set opened.
| |
model:Object (default = null) |
ICollectionView — An ICollectionView instance.
|
相關 API 元素
getNodeDepth | () | 方法 |
public function getNodeDepth(node:Object, iterator:IViewCursor, model:Object = null):int| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
Returns the depth of the node, meaning the number of ancestors it has.
參數
node:Object — The Object that defines the node.
| |
iterator:IViewCursor — An IViewCursor instance that could be used to do the calculation.
| |
model:Object (default = null) |
int — The depth of the node, where 0 corresponds to the top level,
and -1 if the depth cannot be calculated.
|
getParent | () | 方法 |
public function getParent(node:Object, collection:ICollectionView, model:Object = null):Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
Returns the parent of the node
The parent of a top-level node is null.
參數
node:Object — The Object that defines the node.
| |
collection:ICollectionView — An ICollectionView instance that could be used to do the calculation.
| |
model:Object (default = null) |
Object — The parent node containing the node as child,
null for a top-level node,
and undefined if the parent cannot be determined.
|
Tue Jun 12 2018, 03:47 PM Z