new ArrayDataSet(data)
A simple data set, stored all data in an internal array.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
Array |
Properties:
| Name | Type | Description |
|---|---|---|
data |
Array |
Extends
Methods
-
clearCache()
-
Remove all data in cache.
- Inherited From:
- Source:
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fetch(options)
-
Fetch data in a range.
Parameters:
Name Type Description optionsHash Options may include the following fields: { fromIndex: from index of data, count: count of data item to retrieve, 0 means retrieve all data, ignoreCache: Force to not use cache even if enableCache property is true, timeout: milliseconds, callback: callback function called when data are successful retrieved, callback(dataArray). errCallback: callback when error occurs callback(err) timeOutCallback: callback when timeout. If this callback is not set, errCallback will be called instead. } - Inherited From:
- Source:
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getFirstIndex() → {Int}
-
Returns the first index of data (usually 0). Descendants may override this method.
- Inherited From:
- Source:
Returns:
- Type
- Int
-
getLastIndex() → {Int}
-
Returns the first index of data (usually total data count - 1). Descendants may override this method.
- Inherited From:
- Source:
Returns:
- Type
- Int
-
getTotalCount() → {Int}
-
Returns total data item length. Returns -1 needs unknown.
- Inherited From:
- Source:
Returns:
- Type
- Int
Events
-
dataChange
-
Invoked when data in dataset is changed event param of it has field: {totalCount}
- Inherited From:
- Source:
-
totalCountChange
-
Invoked when record count in dataset is changed event param of it has field: {totalCount}
- Inherited From:
- Source: