com.vaadin.client.widget.grid.selection

Class AbstractRowHandleSelectionModel<T>

java.lang.Object

com.vaadin.client.widget.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 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.

Since:

7.4

Author:

Vaadin Ltd

Nested Class Summary

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

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

Constructor Summary

Constructors

Constructor and Description
AbstractRowHandleSelectionModel()

Method Summary

Modifier and Type	Method and Description
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.widget.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:

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

deselectByHandle

protected abstract boolean deselectByHandle(DataSource.RowHandle<T> handle)
                                     throws 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:

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