패키지 | mx.collections |
클래스 | public class DefaultSummaryCalculator |
상속 | DefaultSummaryCalculator Object |
구현 | ISummaryCalculator |
언어 버전: | ActionScript 3.0 |
제품 버전: | Flex 4 |
런타임 버전: | Flash Player 9, AIR 1.1 |
SUM
, MIN
, MAX
, AVG
, and COUNT
operations.
관련 API 요소
메서드 | 정의 주체 | ||
---|---|---|---|
Flex calls this method when a new value needs to be added to the summary value. | DefaultSummaryCalculator | ||
Flex calls this method when a new summary value needs to be added to the already computed summary. | DefaultSummaryCalculator | ||
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 | ||
Flex calls this method to end the computation of the summary value. | DefaultSummaryCalculator | ||
Flex calls this method to end the summary calculation. | DefaultSummaryCalculator | ||
루프 작업에서 동적 속성을 사용할 수 있는지 여부를 설정합니다. | Object | ||
Flex calls this method to start the computation of a summary value. | DefaultSummaryCalculator | ||
Flex calls this method to start calculation of summary out of summary values. | DefaultSummaryCalculator | ||
로캘별 규칙에 따라 서식이 지정된 이 객체의 문자열 표현을 반환합니다. | Object | ||
지정된 객체의 문자열 표현을 반환합니다. | Object | ||
지정된 객체의 프리미티브 값을 반환합니다. | Object |
calculateSummary | () | 메서드 |
public function calculateSummary(data:Object, field:SummaryField2, rowData:Object):void
언어 버전: | ActionScript 3.0 |
제품 버전: | Flex 4 |
런타임 버전: | Flash Player 9, AIR 1.1 |
Flex calls this method when a new value needs to be added to the summary value.
매개 변수
data:Object — The Object returned by the call to the summaryCalculationBegin() method,
or calculated by a previous call to the calculateSummary() method.
Use this Object to hold information necessary to perform the calculation.
This method modifies this Object; it does not return a value.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
| |
rowData:Object — The object representing the rows data that is being analyzed.
|
calculateSummaryOfSummary | () | 메서드 |
public function calculateSummaryOfSummary(oldValue:Object, newValue:Object, field:SummaryField2):void
언어 버전: | ActionScript 3.0 |
제품 버전: | Flex 4 |
런타임 버전: | Flash Player 9, AIR 1.1 |
Flex calls this method when a new summary value needs to be added to the already computed summary.
매개 변수
oldValue:Object — The Object returned by a call the summaryOfSummaryCalculationBegin() method,
or calculated by a previous call to the calculateSummaryOfSummary() method.
This method modifies this Object; it does not return a value.
| |
newValue:Object — The Object returned by the call to the returnSummary() method
for a previous aggregation.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
returnSummary | () | 메서드 |
public function returnSummary(data:Object, field:SummaryField2):Number
언어 버전: | ActionScript 3.0 |
제품 버전: | Flex 4 |
런타임 버전: | Flash Player 9, AIR 1.1 |
Flex calls this method to end the computation of the summary value.
매개 변수
data:Object — The Object returned by the call to the calculateSummary() method.
Use this Object to hold information necessary to perform the calculation.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Number — The summary value.
|
returnSummaryOfSummary | () | 메서드 |
public function returnSummaryOfSummary(oldValue:Object, field:SummaryField2):Number
언어 버전: | ActionScript 3.0 |
제품 버전: | Flex 4 |
런타임 버전: | Flash Player 9, AIR 1.1 |
Flex calls this method to end the summary calculation.
매개 변수
oldValue:Object — The Object returned by a call to the calculateSummaryOfSummary() method
that is used to store the summary calculation results.
This method modifies this Object; it does not return a value.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Number — The summary value.
|
summaryCalculationBegin | () | 메서드 |
public function summaryCalculationBegin(field:SummaryField2):Object
언어 버전: | ActionScript 3.0 |
제품 버전: | Flex 4 |
런타임 버전: | Flash Player 9, AIR 1.1 |
Flex calls this method to start the computation of a summary value.
매개 변수
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Object — An Object initialized for the summary calculation.
Use this Object to hold any information necessary to perform the calculation.
You pass this Object to subsequent calls to the calculateSummary()
and returnSummary() methods.
|
summaryOfSummaryCalculationBegin | () | 메서드 |
public function summaryOfSummaryCalculationBegin(value:Object, field:SummaryField2):Object
언어 버전: | ActionScript 3.0 |
제품 버전: | Flex 4 |
런타임 버전: | Flash Player 9, AIR 1.1 |
Flex calls this method to start calculation of summary out of summary values. Calculating the average value of a group of averages is an example of an calculation of summary out of summary values.
매개 변수
value:Object — The Object returned by the call to the calculateSummary() method
for a previous summary calculation.
Use this Object to hold the information necessary to perform the calculation.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Object — An Object initialized for the summary calculation.
Use this Object to hold any information necessary to perform the calculation.
You pass this Object to subsequent calls to the calculateSummaryOfSummary()
and returnSummaryOfSummary() methods.
|
Tue Jun 12 2018, 03:17 PM Z