2 * Copyright 2000-2021 Vaadin Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5 * use this file except in compliance with the License. You may obtain a copy of
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
16 package com.vaadin.v7.client.widget.grid.selection;
18 import com.google.gwt.event.shared.HandlerRegistration;
21 * Marker interface for widgets that fires selection events.
26 public interface HasSelectionHandlers<T> {
29 * Register a selection change handler.
31 * This handler is called whenever a
32 * {@link com.vaadin.ui.components.grid.selection.SelectionModel
33 * SelectionModel} detects a change in selection state.
36 * a {@link SelectionHandler}
37 * @return a handler registration object, which can be used to remove the
40 public HandlerRegistration addSelectionHandler(SelectionHandler<T> handler);