| Pacote | mx.collections |
| Classe | public class DefaultSummaryCalculator |
| Herança | DefaultSummaryCalculator  Object |
| Implementações | ISummaryCalculator |
| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | Flex 4 |
| Versões de runtime: | Flash Player 9, AIR 1.1 |
SUM, MIN, MAX, AVG, and COUNT operations.
Elementos da API relacionados
Propriedades públicas
Ocultar propriedades públicas herdadas
Mostrar propriedades públicas herdadasMétodos públicos
| Método | Definido por | ||
|---|---|---|---|
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 | ||
 |
Indica se um objeto tem uma propriedade especificada definida. | Object | |
|
Indica se uma ocorrência da classe Object está na cadeia de protótipos do objeto especificado como o parâmetro. | Object | |
|
Indica se a propriedade especificada existe e é enumerável. | Object | |
Flex calls this method to end the computation of the summary value. | DefaultSummaryCalculator | ||
Flex calls this method to end the summary calculation. | DefaultSummaryCalculator | ||
|
Define a disponibilidade de uma propriedade dinâmica para operações de repetição. | 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 | ||
|
Retorna a representação da string deste objeto, formatado segundo as convenções específicas para a localidade. | Object | |
|
Retorna a representação de string do objeto especificado. | Object | |
|
Retorna o valor primitivo do objeto especificado. | Object | |
Detalhes do método
calculateSummary | () | método |
public function calculateSummary(data:Object, field:SummaryField2, rowData:Object):void| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | Flex 4 |
| Versões de runtime: | Flash Player 9, AIR 1.1 |
Flex calls this method when a new value needs to be added to the summary value.
Parâmetros
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 | () | método |
public function calculateSummaryOfSummary(oldValue:Object, newValue:Object, field:SummaryField2):void| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | Flex 4 |
| Versões de runtime: | Flash Player 9, AIR 1.1 |
Flex calls this method when a new summary value needs to be added to the already computed summary.
Parâmetros
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 | () | método |
public function returnSummary(data:Object, field:SummaryField2):Number| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | Flex 4 |
| Versões de runtime: | Flash Player 9, AIR 1.1 |
Flex calls this method to end the computation of the summary value.
Parâmetros
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 | () | método |
public function returnSummaryOfSummary(oldValue:Object, field:SummaryField2):Number| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | Flex 4 |
| Versões de runtime: | Flash Player 9, AIR 1.1 |
Flex calls this method to end the summary calculation.
Parâmetros
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 | () | método |
public function summaryCalculationBegin(field:SummaryField2):Object| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | Flex 4 |
| Versões de runtime: | Flash Player 9, AIR 1.1 |
Flex calls this method to start the computation of a summary value.
Parâmetros
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 | () | método |
public function summaryOfSummaryCalculationBegin(value:Object, field:SummaryField2):Object| Versão da linguagem: | ActionScript 3.0 |
| Versão de produto: | Flex 4 |
| Versões de runtime: | 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.
Parâmetros
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.
|
Wed Jun 13 2018, 11:10 AM Z