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

GroupingField  - AS3 Flex

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adobe.utils
air.desktop
air.net
air.update
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coldfusion.air
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coldfusion.service
coldfusion.service.events
coldfusion.service.mxml
com.adobe.acm.solutions.authoring.domain.extensions
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com.adobe.consulting.pst.vo
com.adobe.dct.component
com.adobe.dct.component.datadictionary
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com.adobe.dct.component.dataElementsPanel
com.adobe.dct.component.toolbars
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com.adobe.dct.exp
com.adobe.dct.model
com.adobe.dct.service
com.adobe.dct.service.provider
com.adobe.dct.transfer
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com.adobe.ep.taskmanagement.domain
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com.adobe.ep.taskmanagement.filter
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com.adobe.ep.taskmanagement.util
com.adobe.ep.ux.attachmentlist.component
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com.adobe.ep.ux.content.event
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com.adobe.ep.ux.content.handlers
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com.adobe.ep.ux.content.model.asset
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com.adobe.ep.ux.content.model.relation
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com.adobe.ep.ux.content.model.toolbar
com.adobe.ep.ux.content.search
com.adobe.ep.ux.content.services
com.adobe.ep.ux.content.services.load
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com.adobe.ep.ux.content.services.providers
com.adobe.ep.ux.content.services.query
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com.adobe.ep.ux.content.services.search.lccontent
com.adobe.ep.ux.content.services.version
com.adobe.ep.ux.content.view
com.adobe.ep.ux.content.view.components.activate
com.adobe.ep.ux.content.view.components.grid
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com.adobe.ep.ux.content.view.components.toolbar.controlRenderers
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com.adobe.ep.ux.documentsubmit.skin
com.adobe.ep.ux.taskaction.component
com.adobe.ep.ux.taskaction.domain
com.adobe.ep.ux.taskaction.domain.events
com.adobe.ep.ux.taskaction.skin
com.adobe.ep.ux.taskdetails.component
com.adobe.ep.ux.taskdetails.domain
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com.adobe.ep.ux.tasklist.component
com.adobe.ep.ux.tasklist.domain
com.adobe.ep.ux.tasklist.skin
com.adobe.ep.ux.webdocumentviewer.domain
com.adobe.exm.expression
com.adobe.exm.expression.error
com.adobe.exm.expression.event
com.adobe.exm.expression.impl
com.adobe.fiber.runtime.lib
com.adobe.fiber.services
com.adobe.fiber.services.wrapper
com.adobe.fiber.styles
com.adobe.fiber.util
com.adobe.fiber.valueobjects
com.adobe.gravity.binding
com.adobe.gravity.context
com.adobe.gravity.flex.bundleloader
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com.adobe.gravity.init
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com.adobe.gravity.utility
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com.adobe.guides.control
com.adobe.guides.domain
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com.adobe.guides.spark.components.skins
com.adobe.guides.spark.components.skins.mx
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com.adobe.guides.spark.headers.skins
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com.adobe.guides.spark.layouts.skins
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com.adobe.guides.spark.util
com.adobe.guides.spark.wrappers.components
com.adobe.guides.spark.wrappers.skins
com.adobe.guides.submit
com.adobe.icc.dc.domain
com.adobe.icc.dc.domain.factory
com.adobe.icc.editors.events
com.adobe.icc.editors.handlers
com.adobe.icc.editors.managers
com.adobe.icc.editors.model
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com.adobe.icc.editors.model.el
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com.adobe.icc.enum
com.adobe.icc.external.dc
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com.adobe.icc.services
com.adobe.icc.services.category
com.adobe.icc.services.config
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com.adobe.icc.token
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com.adobe.icomm.assetplacement.controller
com.adobe.icomm.assetplacement.controller.utils
com.adobe.icomm.assetplacement.data
com.adobe.icomm.assetplacement.model
com.adobe.livecycle.assetmanager.client
com.adobe.livecycle.assetmanager.client.event
com.adobe.livecycle.assetmanager.client.handler
com.adobe.livecycle.assetmanager.client.managers
com.adobe.livecycle.assetmanager.client.model
com.adobe.livecycle.assetmanager.client.model.cms
com.adobe.livecycle.assetmanager.client.service
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com.adobe.livecycle.assetmanager.client.service.search.cms
com.adobe.livecycle.assetmanager.client.utils
com.adobe.livecycle.content
com.adobe.livecycle.rca.model
com.adobe.livecycle.rca.model.constant
com.adobe.livecycle.rca.model.document
com.adobe.livecycle.rca.model.participant
com.adobe.livecycle.rca.model.reminder
com.adobe.livecycle.rca.model.stage
com.adobe.livecycle.rca.service
com.adobe.livecycle.rca.service.core
com.adobe.livecycle.rca.service.core.delegate
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com.adobe.livecycle.rca.service.process.delegate
com.adobe.livecycle.rca.token
com.adobe.livecycle.ria.security.api
com.adobe.livecycle.ria.security.service
com.adobe.mosaic.layouts
com.adobe.mosaic.layouts.dragAndDrop
com.adobe.mosaic.layouts.interfaces
com.adobe.mosaic.mxml
com.adobe.mosaic.om.constants
com.adobe.mosaic.om.events
com.adobe.mosaic.om.impl
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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
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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
com.adobe.solutions.exm.authoring.domain.impl
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
com.adobe.solutions.prm.domain.factory
com.adobe.solutions.prm.domain.impl
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
com.adobe.solutions.rca.domain.impl.manager
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
fl.controls
fl.controls.dataGridClasses
fl.controls.listClasses
fl.controls.progressBarClasses
fl.core
fl.data
fl.display
fl.events
fl.ik
fl.lang
fl.livepreview
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fl.motion.easing
fl.rsl
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fl.video
flash.accessibility
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flash.crypto
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flash.net.drm
flash.notifications
flash.permissions
flash.printing
flash.profiler
flash.sampler
flash.security
flash.sensors
flash.system
flash.text
flash.text.engine
flash.text.ime
flash.ui
flash.utils
flash.xml
flashx.textLayout
flashx.textLayout.compose
flashx.textLayout.container
flashx.textLayout.conversion
flashx.textLayout.edit
flashx.textLayout.elements
flashx.textLayout.events
flashx.textLayout.factory
flashx.textLayout.formats
flashx.textLayout.operations
flashx.textLayout.utils
flashx.undo
ga.controls
ga.layouts
ga.model
ga.uiComponents
ga.util
ga.views
ga.wrappers
lc.foundation
lc.foundation.domain
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lc.procmgmt.commands
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lc.procmgmt.events
lc.procmgmt.formbridge
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lc.procmgmt.ui.attachments
lc.procmgmt.ui.controls
lc.procmgmt.ui.controls.card
lc.procmgmt.ui.controls.renderer
lc.procmgmt.ui.help
lc.procmgmt.ui.layout
lc.procmgmt.ui.presentationmodel
lc.procmgmt.ui.process
lc.procmgmt.ui.search
lc.procmgmt.ui.startpoint
lc.procmgmt.ui.task
lc.procmgmt.ui.task.form
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mx.accessibility
mx.automation
mx.automation.air
mx.automation.delegates
mx.automation.delegates.advancedDataGrid
mx.automation.delegates.charts
mx.automation.delegates.containers
mx.automation.delegates.controls
mx.automation.delegates.controls.dataGridClasses
mx.automation.delegates.controls.fileSystemClasses
mx.automation.delegates.core
mx.automation.delegates.flashflexkit
mx.automation.events
mx.binding
mx.binding.utils
mx.charts
mx.charts.chartClasses
mx.charts.effects
mx.charts.effects.effectClasses
mx.charts.events
mx.charts.renderers
mx.charts.series
mx.charts.series.items
mx.charts.series.renderData
mx.charts.styles
mx.collections
mx.collections.errors
mx.containers
mx.containers.accordionClasses
mx.containers.dividedBoxClasses
mx.containers.errors
mx.containers.utilityClasses
mx.controls
mx.controls.advancedDataGridClasses
mx.controls.dataGridClasses
mx.controls.listClasses
mx.controls.menuClasses
mx.controls.olapDataGridClasses
mx.controls.scrollClasses
mx.controls.sliderClasses
mx.controls.textClasses
mx.controls.treeClasses
mx.controls.videoClasses
mx.core
mx.core.windowClasses
mx.data
mx.data.crypto
mx.data.errors
mx.data.events
mx.data.messages
mx.data.mxml
mx.data.offline.errors
mx.data.utils
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mx.effects.easing
mx.effects.effectClasses
mx.events
mx.filters
mx.flash
mx.formatters
mx.geom
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mx.graphics.codec
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mx.logging
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mx.logging.targets
mx.managers
mx.messaging
mx.messaging.channels
mx.messaging.config
mx.messaging.errors
mx.messaging.events
mx.messaging.management
mx.messaging.messages
mx.modules
mx.netmon
mx.olap
mx.olap.aggregators
mx.preloaders
mx.printing
mx.resources
mx.rpc
mx.rpc.events
mx.rpc.http
mx.rpc.http.mxml
mx.rpc.livecycle
mx.rpc.mxml
mx.rpc.remoting
mx.rpc.remoting.mxml
mx.rpc.soap
mx.rpc.soap.mxml
mx.rpc.wsdl
mx.rpc.xml
mx.skins
mx.skins.halo
mx.skins.spark
mx.skins.wireframe
mx.skins.wireframe.windowChrome
mx.states
mx.styles
mx.utils
mx.validators
org.osmf.containers
org.osmf.display
org.osmf.elements
org.osmf.events
org.osmf.layout
org.osmf.logging
org.osmf.media
org.osmf.metadata
org.osmf.net
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org.osmf.net.metrics
org.osmf.net.qos
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spark.accessibility
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spark.transitions
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spark.validators.supportClasses
xd.core.axm.enterprise.view.components
xd.core.axm.enterprise.view.skins
xd.core.axm.view.components
xd.core.axm.view.components.support

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语句、关键字和指令
特殊类型

附录

新增内容
编译器错误
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运行时错误
迁移到 ActionScript 3
支持的字符集
仅适用于 MXML 的标签
Motion XML 元素
Timed Text 标记
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
public class GroupingField
继承GroupingField Inheritance Object

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

GroupingField 类提供用于对由 AdvancedDataGrid 控件显示的平面数据进行分组的各数据字段。

要使用分组数据填充 AdvancedDataGrid 控件,可以在平面数据中创建 GroupingCollection 类的一个实例,然后将该 GroupingCollection 实例传递给 AdvancedDataGrid 控件的数据提供程序。要指定平面数据的分组字段,可将一个 Grouping 实例传递给 GroupingCollection.grouping 属性。Grouping 实例包含 GroupingField 实例的 Array,每个分组字段一个。

以下示例使用 Grouping 类定义两个分组字段:Region 和 Territory。

  <mx:AdvancedDataGrid id="myADG"    
    <mx:dataProvider> 
      <mx:GroupingCollection id="gc" source="{dpFlat}"> 
        <mx:grouping> 
          <mx:Grouping> 
            <mx:GroupingField name="Region"/> 
            <mx:GroupingField name="Territory"/> 
          </mx:Grouping> 
        </mx:grouping> 
      </mx:GroupingCollection> 
    </mx:dataProvider>  
     
    <mx:columns> 
      <mx:AdvancedDataGridColumn dataField="Region"/> 
      <mx:AdvancedDataGridColumn dataField="Territory"/> 
      <mx:AdvancedDataGridColumn dataField="Territory_Rep"/> 
      <mx:AdvancedDataGridColumn dataField="Actual"/> 
      <mx:AdvancedDataGridColumn dataField="Estimate"/> 
    </mx:columns> 
  </mx:AdvancedDataGrid>
  

MXML 语法expanded隐藏 MXML 语法
The <mx.GroupingField> inherits all the tag attributes of its superclass, and defines the following tag attributes:

  <mx:GroupingField
  Properties 
    caseInsensitive="false|true"
    compareFunction="No default"
    descending="false|true"
    groupingFunction="No default"
    groupingObjectFunction="No default"
    name="null"
    numeric="false|true"
    summaries="No default"
  />
  

默认 MXML 属性summaries

相关 API 元素



公共属性
 属性由以下参数定义
  caseInsensitive : Boolean
如果此字段的排序不区分大小写,则设置为 true。
GroupingField
  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。
GroupingField
 Inheritedconstructor : Object
对类对象或给定对象实例的构造函数的引用。
Object
  descending : Boolean
如果此字段的排序应为降序排序,则设置为 true。
GroupingField
  groupingFunction : Function
确定此组的标签的函数。
GroupingField
  groupingObjectFunction : Function
在每个组节点上运行以确定分组对象的回调函数。
GroupingField
  name : String
要排序的字段的名称。
GroupingField
  numeric : Boolean
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。
GroupingField
  summaries : Array
用于定义组级别摘要的 SummaryRow 实例的数组。
GroupingField
公共方法
 方法由以下参数定义
  
GroupingField(name:String = null, caseInsensitive:Boolean = false, descending:Boolean = false, numeric:Boolean = false)
构造函数。
GroupingField
 Inherited
表示对象是否已经定义了指定的属性。
Object
 Inherited
表示 Object 类的实例是否在指定为参数的对象的原型链中。
Object
 Inherited
表示指定的属性是否存在、是否可枚举。
Object
 Inherited
设置循环操作动态属性的可用性。
Object
 Inherited
返回此对象的字符串表示形式,其格式设置遵守区域设置特定的约定。
Object
 Inherited
返回指定对象的字符串表示形式。
Object
 Inherited
返回指定对象的原始值。
Object
属性详细信息

caseInsensitive

属性
caseInsensitive:Boolean

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

如果此字段的排序不区分大小写,则设置为 true

默认值为 false。



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

compareFunction

属性 
compareFunction:Function

语言版本: ActionScript 3.0
产品版本: Flex 3
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 Grouping 对象中的 compareFunction 属性,则 Flex 会忽略 GroupingField 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

此函数必须返回以下值:

  • -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。

默认值为具有以下特征的内部比较函数:可以通过区分大小写或不区分大小写的字符串比较按升序或降序执行字符串、数字或日期比较。仅在需要自定义比较算法时指定您自己的函数。这种情况通常仅当在显示中使用计算的字段时出现。



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 3
运行时版本: Flash Player 9, AIR 1.1

如果此字段的排序应为降序排序,则设置为 true

默认值为 false。



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

groupingFunction

属性 
public var groupingFunction:Function

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

确定此组的标签的函数。默认情况下,组显示数据中字段的文本,该文本与 name 属性指定的字段匹配。但是,有时您希望基于数据中的多个字段对项目进行分组,或基于不是简单 String 字段的内容进行分组。在这种情况下,可使用 groupingFunction 属性指定回调函数。

回调函数可能会将数字格式的月转换为字符串格式的月,或基于某些条件而不是字段的实际值将多个项目分为一个组。

对于 GroupField,方法签名具有以下格式:

groupingFunction(item:Object, field:GroupField):String

其中 item 包含数据项目对象,field 包含 GroupField 对象。

例如,返回第一个字符作为组名的 groupingFunction 可以写作 -
      private function groupFunc(item:Object, field:GroupingField):String
      {
          return item[field.name].toString().substr(0, 1);
      }
      

groupingObjectFunction

属性 
public var groupingObjectFunction:Function

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

在每个组节点上运行以确定分组对象的回调函数。默认情况下,将为组节点创建新 Object。

您可以提供 groupingObjectFunction,它可以为组节点提供合适的对象。

方法签名为:

      myGroupObjectFunction(label:String):Object

其中 label 包含将为该组节点显示的值。该函数返回可用于组节点的对象。

例如,groupingObjectFunction 返回包含“name”属性且该属性值为“Bob”的 Object 可写作 -
      private function groupObjFunction(label:String):Object
      {
          var obj:Object = {};
          obj.name = "Bob";
     
          return obj;
      }
      

name

属性 
name:String

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

要排序的字段的名称。

默认值为 null。



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

numeric

属性 
numeric:Boolean

语言版本: ActionScript 3.0
产品版本: Flex 3
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。如果此属性为 false,将使用字符串比较对具有数字字符串表示形式的字段排序,因此 100 应在 99 之前,因为字符串值“1”比字符串值“9”小。

默认值为 false。



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

summaries

属性 
public var summaries:Array

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

用于定义组级别摘要的 SummaryRow 实例的数组。指定一个或多个 SummaryRow 实例以定义数据摘要,如以下示例所示:

      <mx:AdvancedDataGrid id="myADG" 
         width="100%" height="100%" 
         initialize="gc.refresh();">        
         <mx:dataProvider>
             <mx:GroupingCollection id="gc" source="{dpFlat}">
                 <mx:Grouping>
                     <mx:GroupingField name="Region">
                       <mx:summaries>
                           <mx:SummaryRow summaryPlacement="group">
                             <mx:fields>
                                 <mx:SummaryField dataField="Actual" 
                                     label="Min Actual" operation="MIN"/>
                                 <mx:SummaryField dataField="Actual" 
                                     label="Max Actual" operation="MAX"/>
                             </mx:fields>
                           </mx:SummaryRow>
                         </mx:summaries>
                     </mx:GroupingField>
                 </mx:Grouping>
             </mx:GroupingCollection>
         </mx:dataProvider>        
         
         <mx:columns>
             <mx:AdvancedDataGridColumn dataField="Region"/>
             <mx:AdvancedDataGridColumn dataField="Territory_Rep"
                 headerText="Territory Rep"/>
             <mx:AdvancedDataGridColumn dataField="Actual"/>
             <mx:AdvancedDataGridColumn dataField="Estimate"/>
             <mx:AdvancedDataGridColumn dataField="Min Actual"/>
             <mx:AdvancedDataGridColumn dataField="Max Actual"/>
         </mx:columns>
      </mx:AdvancedDataGrid>  
      

相关 API 元素

构造函数详细信息

GroupingField

()构造函数
public function GroupingField(name:String = null, caseInsensitive:Boolean = false, descending:Boolean = false, numeric:Boolean = false)

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

构造函数。

参数
name:String (default = null) — 此字段用来进行比较的属性的名称。如果该对象为简单类型,则传递 null
 
caseInsensitive:Boolean (default = false) — 在对字符串进行排序时,指示比较运算符是否忽略值的大小写。
 
descending:Boolean (default = false) — 指示比较运算符是否按降序排列项目。
 
numeric:Boolean (default = false) — 指示比较运算符是否按编号而不按字母顺序比较排序项目。




[ 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。