用于 Adobe® Flash® Platform 的 ActionScript® 3.0 参考
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mx.collections 

ISortField  - AS3 Flex

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adobe.utils
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com.adobe.ep.ux.taskaction.domain
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com.adobe.ep.ux.taskdetails.domain
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com.adobe.ep.ux.webdocumentviewer.domain
com.adobe.exm.expression
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com.adobe.fiber.runtime.lib
com.adobe.fiber.services
com.adobe.fiber.services.wrapper
com.adobe.fiber.styles
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com.adobe.gravity.binding
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com.adobe.guides.submit
com.adobe.icc.dc.domain
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com.adobe.icc.editors.events
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com.adobe.icomm.assetplacement.controller
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com.adobe.icomm.assetplacement.data
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com.adobe.livecycle.assetmanager.client.handler
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com.adobe.livecycle.assetmanager.client.model
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com.adobe.livecycle.assetmanager.client.service
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com.adobe.livecycle.assetmanager.client.utils
com.adobe.livecycle.content
com.adobe.livecycle.rca.model
com.adobe.livecycle.rca.model.constant
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com.adobe.livecycle.rca.model.stage
com.adobe.livecycle.rca.service
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com.adobe.livecycle.rca.token
com.adobe.livecycle.ria.security.api
com.adobe.livecycle.ria.security.service
com.adobe.mosaic.layouts
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com.adobe.mosaic.layouts.interfaces
com.adobe.mosaic.mxml
com.adobe.mosaic.om.constants
com.adobe.mosaic.om.events
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com.adobe.mosaic.sparklib.text
com.adobe.mosaic.sparklib.util
com.adobe.solutions.acm.authoring.presentation
com.adobe.solutions.acm.authoring.presentation.actionbar
com.adobe.solutions.acm.authoring.presentation.common
com.adobe.solutions.acm.authoring.presentation.events
com.adobe.solutions.acm.authoring.presentation.fragment
com.adobe.solutions.acm.authoring.presentation.letter
com.adobe.solutions.acm.authoring.presentation.letter.data
com.adobe.solutions.acm.authoring.presentation.preview
com.adobe.solutions.acm.authoring.presentation.rte
com.adobe.solutions.acm.ccr.presentation
com.adobe.solutions.acm.ccr.presentation.contentcapture
com.adobe.solutions.acm.ccr.presentation.contentcapture.events
com.adobe.solutions.acm.ccr.presentation.contentcapture.preview
com.adobe.solutions.acm.ccr.presentation.datacapture
com.adobe.solutions.acm.ccr.presentation.datacapture.renderers
com.adobe.solutions.acm.ccr.presentation.pdf
com.adobe.solutions.exm
com.adobe.solutions.exm.authoring
com.adobe.solutions.exm.authoring.components.controls
com.adobe.solutions.exm.authoring.components.toolbars
com.adobe.solutions.exm.authoring.domain
com.adobe.solutions.exm.authoring.domain.expression
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com.adobe.solutions.exm.authoring.domain.method
com.adobe.solutions.exm.authoring.domain.variable
com.adobe.solutions.exm.authoring.enum
com.adobe.solutions.exm.authoring.events
com.adobe.solutions.exm.authoring.model
com.adobe.solutions.exm.authoring.renderer
com.adobe.solutions.exm.authoring.view
com.adobe.solutions.exm.expression
com.adobe.solutions.exm.impl
com.adobe.solutions.exm.impl.method
com.adobe.solutions.exm.method
com.adobe.solutions.exm.mock
com.adobe.solutions.exm.mock.method
com.adobe.solutions.exm.runtime
com.adobe.solutions.exm.runtime.impl
com.adobe.solutions.exm.variable
com.adobe.solutions.prm.constant
com.adobe.solutions.prm.domain
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com.adobe.solutions.prm.domain.manager
com.adobe.solutions.prm.presentation.asset
com.adobe.solutions.prm.presentation.constant
com.adobe.solutions.prm.presentation.document
com.adobe.solutions.prm.presentation.event
com.adobe.solutions.prm.presentation.file
com.adobe.solutions.prm.presentation.project
com.adobe.solutions.prm.presentation.team
com.adobe.solutions.prm.presentation.util
com.adobe.solutions.prm.service
com.adobe.solutions.prm.services.impl
com.adobe.solutions.prm.vo
com.adobe.solutions.rca.constant
com.adobe.solutions.rca.domain
com.adobe.solutions.rca.domain.common
com.adobe.solutions.rca.domain.factory
com.adobe.solutions.rca.domain.impl
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com.adobe.solutions.rca.domain.manager
com.adobe.solutions.rca.presentation
com.adobe.solutions.rca.presentation.comment
com.adobe.solutions.rca.presentation.constant
com.adobe.solutions.rca.presentation.event
com.adobe.solutions.rca.presentation.gantt
com.adobe.solutions.rca.presentation.gantt.ruler
com.adobe.solutions.rca.presentation.template
com.adobe.solutions.rca.presentation.template.audit
com.adobe.solutions.rca.presentation.template.definition
com.adobe.solutions.rca.presentation.template.documents
com.adobe.solutions.rca.presentation.template.stages
com.adobe.solutions.rca.presentation.util
com.adobe.solutions.rca.service
com.adobe.solutions.rca.services.impl
com.adobe.solutions.rca.vo
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com.adobe.viewsource
fl.accessibility
fl.containers
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fl.core
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fl.ik
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mx.binding.utils
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mx.charts.chartClasses
mx.charts.effects
mx.charts.effects.effectClasses
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mx.charts.series.items
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mx.containers.accordionClasses
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mx.controls
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不推荐使用的元素的列表
AccessibilityImplementation 常量
如何使用 ActionScript 示例
法律声明
mx.collections
接口public interface ISortField
实现器 SortField, SortField

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

ISortField 接口定义与 ISort 类一起使用的类的接口,以提供对集合视图中的特定字段或属性进行排序所需要的排序信息。



公共属性
 属性由以下参数定义
  arraySortOnOptions : int
[只读] 此帮助器属性由 findItem() 和 sort() 方法内部使用。
ISortField
  compareFunction : Function
用于在对关联集合的项目进行排序时比较两个项目的函数。
ISortField
  descending : Boolean
指定此字段是否应按降序排序。
ISortField
  name : String
要排序的字段的名称。
ISortField
  numeric : Object
指定当要进行排序的字段包含数值 (number/int/uint) 或数值的字符串表示形式时,比较运算符是否使用数值比较。
ISortField
  usingCustomCompareFunction : Boolean
[只读] 如果此 ISortField 使用自定义比较运算符函数,则为 true。
ISortField
公共方法
 方法由以下参数定义
  
设置默认比较函数以执行比较时,Sort 类将根据以下三项内容之一来调用帮助器函数:是否已设置自定义比较函数、指定字段的数据类型或 numeric 属性的值。
ISortField
  
反转此排序字段的条件。
ISortField
属性详细信息

arraySortOnOptions

属性
arraySortOnOptions:int  [只读]

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

此帮助器属性由 findItem()sort() 方法内部使用。不支持该属性的其它用法。如果 Sort 类不使用此 ISortField 对字段进行排序,则返回 -1(没有 compareFunction 或没有名称)。否则,返回排序选项的位掩码。



实现
    public function get arraySortOnOptions():int

compareFunction

属性 
compareFunction:Function

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

用于在对关联集合的项目进行排序时比较两个项目的函数。如果指定了 ISort 对象中的 compareFunction 属性,则 Flex 会忽略 ISort 的 ISortField 对象的所有 compareFunction 属性。

该比较函数必须具有以下签名:

function myCompare(a:Object, b:Object):int

此函数返回以下值:

  • -1,如果在已排序序列中 a 应显示在 b 之前
  • 0,如果 a 等于 b
  • 1,如果在已排序序列中 a 应显示在 b 之后



实现
    public function get compareFunction():Function
    public function set compareFunction(value:Function):void

descending

属性 
descending:Boolean

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

指定此字段是否应按降序排序。

默认值为 false(升序)。



实现
    public function get descending():Boolean
    public function set descending(value:Boolean):void

name

属性 
name:String

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

要排序的字段的名称。



实现
    public function get name():String
    public function set name(value:String):void

numeric

属性 
numeric:Object

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

指定当要进行排序的字段包含数值 (number/int/uint) 或数值的字符串表示形式时,比较运算符是否使用数值比较。

未提供自定义比较函数的情况下,SortField 类会使用该属性。

如果该属性为 true,则会使用内置数值比较函数。比较前每个数据项调度给 Number() 函数。

如果该属性为 false,则会使用内置字符串比较函数。比较前每个数据项调度给 String() 函数。

如果此属性为 null,则内部检查第一个数据项以查看它是否为数字或字符串,并基于内部检查结果继续进行排序。

默认值为 null。



实现
    public function get numeric():Object
    public function set numeric(value:Object):void

usingCustomCompareFunction

属性 
usingCustomCompareFunction:Boolean  [只读]

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

如果此 ISortField 使用自定义比较运算符函数,则为 true。



实现
    public function get usingCustomCompareFunction():Boolean
方法详细信息

initializeDefaultCompareFunction

()方法
public function initializeDefaultCompareFunction(obj:Object):void

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

设置默认比较函数以执行比较时,Sort 类将根据以下三项内容之一来调用帮助器函数:是否已设置自定义比较函数、指定字段的数据类型或 numeric 属性的值。如果 numeric 属性为 true,将在排序时执行数字比较。

参数

obj:Object — 包含数据的对象。如果已通过 name 属性设置了字段名称,则将使用该名称访问此对象的数据值。否则,将使用对象本身作为数据值。

reverse

()方法 
public function reverse():void

语言版本: ActionScript 3.0
产品版本: Flex 4.5
运行时版本: Flash Player 9, AIR 1.1

反转此排序字段的条件。例如,如果该字段原来按降序排序,则现在按升序排序。

注意:修改 ISortFields 时不会自动更新 ICollectionView;而调用 refresh() 方法可更新此视图。





[ X ]为什么显示为英语?
《ActionScript 3.0 参考》中的内容以英语显示

《ActionScript 3.0 参考》中的部分内容未翻译成所有语言。当某个语言元素未翻译时,将显示为英语。例如,ga.controls.HelpBox 类未翻译成任何语言。因此在简体中文版的参考中,ga.controls.HelpBox 类显示为英语。