| 패키지 | mx.collections |
| 클래스 | public class GroupingCollection |
| 상속 | GroupingCollection  HierarchicalData EventDispatcher Object |
| 구현 | IGroupingCollection |
| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
To populate the AdvancedDataGrid control with grouped data,
you create an instance of the GroupingCollection class from your flat data,
and then pass that GroupingCollection instance to the data provider
of the AdvancedDataGrid control.
To specify the grouping fields of your flat data,
you pass a Grouping instance to
the GroupingCollection.grouping property.
The Grouping instance contains an Array of GroupingField instances,
one per grouping field.
The following example uses the GroupingCollection class to define two grouping fields: Region and 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 구문
MXML 구문 표시
MXML 구문 숨기기<mx.GroupingCollection> inherits all the tag attributes of its superclass,
and defines the following tag attributes:
<mx:GroupingCollection
Properties
grouping="No default"
source="No default"
summaries="No default"
/>
This Class has been deprecated and replaced by a new Class
GroupingCollection2 which provide faster,
improved performance and a new summary calculation mechanism.
Class SummaryField has also been deprecated and
replaced by a new Class SummaryField2.
Properties operation and summaryFunction are
not present in the Class SummaryField2.
A new property summaryOperation is introduced in
SummaryField2.
기본 MXML 속성grouping
관련 API 요소
| 속성 | 정의 주체 | ||
|---|---|---|---|
 | childrenField : String
Indicates the field name to be used to detect children objects in
a data item. | HierarchicalData | |
| constructor : Object
지정된 객체 인스턴스의 클래스 객체 또는 생성자 함수에 대한 참조입니다. | Object | |
| grouping : Grouping
Specifies the Grouping instance applied to the source data. | GroupingCollection | ||
| source : Object [재정의]
The source collection containing the flat data to be grouped. | GroupingCollection | ||
| summaries : Array
Array of SummaryRow instances that define any root-level data summaries. | GroupingCollection | ||
| 속성 | 정의 주체 | ||
|---|---|---|---|
| timer : flash.utils:Timer
The timer which is associated with an asynchronous refresh operation. | GroupingCollection | ||
| 메서드 | 정의 주체 | ||
|---|---|---|---|
Constructor. | GroupingCollection | ||
| addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
리스너에서 이벤트 알림을 받을 수 있도록 EventDispatcher 객체에 이벤트 리스너 객체를 등록합니다. | EventDispatcher | |
If the refresh is performed asynchronously,
cancels the refresh operation and stops the building of the groups. | GroupingCollection | ||
|
Returns true if the node can contain children. | HierarchicalData | |
|
이벤트를 이벤트 흐름으로 전달합니다. | EventDispatcher | |
|
Returns an Object representing the node's children. | HierarchicalData | |
|
Returns data from a node. | HierarchicalData | |
[재정의]
Return super.source, if the grouping property is set,
and an ICollectionView instance that refers to super.source if not. | GroupingCollection | ||
|
Returns true if the node has children. | HierarchicalData | |
|
EventDispatcher 객체에 특정 유형의 이벤트에 대한 리스너가 등록되어 있는지 여부를 확인합니다. | EventDispatcher | |
|
지정된 속성이 객체에 정의되어 있는지 여부를 나타냅니다. | Object | |
|
Object 클래스의 인스턴스가 매개 변수로 지정된 객체의 프로토타입 체인에 있는지 여부를 나타냅니다. | Object | |
|
지정된 속성이 존재하고 열거 가능한지 여부를 나타냅니다. | Object | |
Applies the grouping to the view. | GroupingCollection | ||
|
EventDispatcher 객체에서 리스너를 제거합니다. | EventDispatcher | |
|
루프 작업에서 동적 속성을 사용할 수 있는지 여부를 설정합니다. | Object | |
|
로캘별 규칙에 따라 서식이 지정된 이 객체의 문자열 표현을 반환합니다. | Object | |
|
지정된 객체의 문자열 표현을 반환합니다. | Object | |
|
지정된 객체의 프리미티브 값을 반환합니다. | Object | |
|
이 EventDispatcher 객체 또는 조상 객체에 지정한 이벤트 유형에 대한 이벤트 리스너가 등록되어 있는지 여부를 확인합니다. | EventDispatcher | |
grouping | 속성 |
grouping:Grouping| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Specifies the Grouping instance applied to the source data.
Setting the grouping property
does not automatically refresh the view,
so you must call the refresh() method
after setting this property.
구현
public function get grouping():Grouping public function set grouping(value:Grouping):void관련 API 요소
source | 속성 |
source:Object[재정의] | 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
The source collection containing the flat data to be grouped. If the source is not a collection, it will be auto-wrapped into a collection.
구현
override public function get source():Object override public function set source(value:Object):voidsummaries | 속성 |
public var summaries:Array| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Array of SummaryRow instances that define any root-level data summaries. Specify one or more SummaryRow instances to define the data summaries, as the following example shows:
<mx:AdvancedDataGrid id="myADG"
width="100%" height="100%"
initialize="gc.refresh();">
<mx:dataProvider>
<mx:GroupingCollection id="gc" source="{dpFlat}">
<mx:summaries>
<mx:SummaryRow summaryPlacement="last">
<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:Grouping>
<mx:GroupingField name="Region"/>
<mx:GroupingField name="Territory"/>
</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>
관련 API 요소
timer | 속성 |
protected var timer:flash.utils:Timer| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
The timer which is associated with an asynchronous refresh operation.
You can use it to change the timing interval, pause the refresh,
or perform other actions.
The default value for the delay property of the
Timer instance is 1, corresponding to 1 millisecond.
GroupingCollection | () | 생성자 |
public function GroupingCollection()| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Constructor.
cancelRefresh | () | 메서드 |
public function cancelRefresh():void| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
If the refresh is performed asynchronously,
cancels the refresh operation and stops the building of the groups.
This method only cancels the refresh
if it is initiated by a call to the refresh() method
with an argument of true, corresponding to an asynchronous refresh.
getParent | () | 메서드 |
protected function getParent(node:Object):*| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Returns the parent of a node.
The parent of a top-level node is null.
매개 변수
node:Object — The Object that defines the node.
|
* — The parent node containing the node as child,
null for a top-level node,
and undefined if the parent cannot be determined.
|
getRoot | () | 메서드 |
refresh | () | 메서드 |
public function refresh(async:Boolean = false):Boolean| 언어 버전: | ActionScript 3.0 |
| 제품 버전: | Flex 3 |
| 런타임 버전: | Flash Player 9, AIR 1.1 |
Applies the grouping to the view.
The IGroupingCollection does not detect changes to a group
automatically, so you must call the refresh()
method to update the view after setting the group property.
The refresh() method can be applied asynchronously
by calling refresh(true).
When refresh() is called synchronously,
a client should wait for a CollectionEvent event
with the value of the kind property set
to CollectionEventKind.REFRESH
to ensure that the refresh() method completed.
매개 변수
async:Boolean (default = false)true, defines the refresh to be asynchronous.
By default it is false denoting synchronous refresh.
|
Boolean — true if the refresh() method completed,
and false if the refresh is incomplete,
which can mean that items are still pending.
|
Tue Jun 12 2018, 03:17 PM Z