Class SimpleDataChangeHandler

Method Detail

• dataUpdated

  public void dataUpdated​(int firstRowIndex,
                          int numberOfRows)

  Description copied from interface: DataChangeHandler

  Called when the contents of the data source has changed. If the number of rows has changed or if rows have been moved around, DataChangeHandler.dataAdded(int, int) or DataChangeHandler.dataRemoved(int, int) should ideally be used instead.

  Specified by:

  dataUpdated in interface DataChangeHandler

  Parameters:

  firstRowIndex - the index of the first changed row

  numberOfRows - the number of changed rows

• dataRemoved

  public void dataRemoved​(int firstRowIndex,
                          int numberOfRows)

  Description copied from interface: DataChangeHandler

  Called when rows have been removed from the data source.

  Specified by:

  dataRemoved in interface DataChangeHandler

  Parameters:

  firstRowIndex - the index that the first removed row had prior to removal

  numberOfRows - the number of removed rows

• dataAdded

  public void dataAdded​(int firstRowIndex,
                        int numberOfRows)

  Description copied from interface: DataChangeHandler

  Called when the new rows have been added to the container.

  Specified by:

  dataAdded in interface DataChangeHandler

  Parameters:

  firstRowIndex - the index of the first added row

  numberOfRows - the number of added rows

• dataAvailable

  public void dataAvailable​(int firstRowIndex,
                            int numberOfRows)

  Description copied from interface: DataChangeHandler

  Called when rows requested with DataSource.ensureAvailability(int, int) rows are available.

  Specified by:

  dataAvailable in interface DataChangeHandler

  Parameters:

  firstRowIndex - the index of the first available row

  numberOfRows - the number of available rows

• resetDataAndSize

  public void resetDataAndSize​(int newSize)

  Description copied from interface: DataChangeHandler

  Resets all data and defines a new size for the data.

  This should be used in the cases where the data has changed in some unverifiable way. I.e. "something happened". This will lead to a re-rendering of the current Grid viewport

  Specified by:

  resetDataAndSize in interface DataChangeHandler

  Parameters:

  newSize - the estimated size of the new data set