Constructor
new ArrayCellSet(startRow, endRow, startColumn, endColumn, callback)
A CellSet represents a collection of cells. The CellSet is an object returned by the success callback
of the fetchCells method on DataGridDataSource. This implementation of CellSet is used by the
array DataGridDataSource.
Parameters:
Name | Type | Description |
---|---|---|
startRow |
number | the start row index of the cell set |
endRow |
number | the end row index of the cell set |
startColumn |
number | the start column index of the cell set |
endColumn |
number | the end column index of the cell set |
callback |
Object | the callback to invoke on to retrieve data and metadata. |
Methods
-
getCount(axis) → {number}
-
Gets the actual count of the result set for the specified axis. Valid values are "row" and "column".
Parameters:
Name Type Description axis
string the axis in which to inquire the actual count of the result set. Returns:
the actual count of the result set for the specified axis.- Type
- number
-
getData(indexes) → {Object}
-
Gets the data of the specified index. An error is throw when 1) the range is not yet available 2) the index specified is out of bounds.
Parameters:
Name Type Description indexes
Object the index of each axis in which we want to retrieve the data from. Properties
Name Type Description row
number the index of the row axis. column
number the index of the column axis. Returns:
the data object for the specified index.- Type
- Object
-
getMetadata(indexes) → {Object}
-
Gets the metadata of the specified index. An error is throw when 1) the range is not yet available 2) the index specified is out of bounds.
Parameters:
Name Type Description indexes
Object the index of each axis in which we want to retrieve the metadata from. Properties
Name Type Description row
number the index of the row axis. column
number the index of the column axis. Returns:
the metadata object for the specific index. The metadata that the DataGrid supports are: 1) keys - the key (of each axis) of the cell.- Type
- Object
-
getStart(axis) → {number}
-
Gets the start index of the result set for the specified axis. Valid values are "row" and "column".
Parameters:
Name Type Description axis
string the axis in which to inquire the actual count of the result set. Returns:
the start index of the result set for the specified axis.- Type
- number