com.vaadin.client.ui.grid.selection
Class AbstractRowHandleSelectionModel<T>

java.lang.Object
  com.vaadin.client.ui.grid.selection.AbstractRowHandleSelectionModel<T>

Type Parameters:

T - The grid's row type

All Implemented Interfaces:

SelectionModel<T>

Direct Known Subclasses:

SelectionModelMulti, SelectionModelNone, SelectionModelSingle

public abstract class AbstractRowHandleSelectionModel<T>
extends java.lang.Object
implements SelectionModel<T>

An abstract class that adds a consistent API for common methods that's needed by Vaadin's server-based selection models to work.

Note: This should be an interface instead of an abstract class, if only we could define protected methods in an interface.

Author:

Vaadin Ltd

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.client.ui.grid.selection.SelectionModel

SelectionModel.Multi<T>, SelectionModel.None<T>, SelectionModel.Single<T>

Constructor Summary

AbstractRowHandleSelectionModel()

Method Summary

protected abstract boolean	deselectByHandle(DataSource.RowHandle<T> handle) Deselect a row, based on its RowHandle.
protected abstract boolean	selectByHandle(DataSource.RowHandle<T> handle) Select a row, based on its RowHandle.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.client.ui.grid.selection.SelectionModel

getSelectedRows, getSelectionColumnRenderer, isSelected, reset, setGrid

Constructor Detail

AbstractRowHandleSelectionModel

public AbstractRowHandleSelectionModel()

Method Detail

selectByHandle

protected abstract boolean selectByHandle(DataSource.RowHandle<T> handle)

Select a row, based on its RowHandle.

Note: this method may not fire selection change events.

Parameters:

handle - the handle to select by

Returns:

true iff the selection state was changed by this call

Throws:

java.lang.UnsupportedOperationException - if the selection model does not support either handles or selection

deselectByHandle

protected abstract boolean deselectByHandle(DataSource.RowHandle<T> handle)
                                     throws java.lang.UnsupportedOperationException

Deselect a row, based on its RowHandle.

Note: this method may not fire selection change events.

Parameters:

handle - the handle to deselect by

Returns:

true iff the selection state was changed by this call

Throws:

java.lang.UnsupportedOperationException - if the selection model does not support either handles or deselection