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/*
* Copyright 2000-2016 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.ui.renderers;
import java.util.function.BiConsumer;
import java.util.function.Function;
/**
* A renderer that displays boolean valued grid columns as checkboxes.
*
* @since 8.0
* @author Vaadin Ltd
*/
public class CheckBoxRenderer<T> extends ClickableRenderer<T, Boolean> {
/**
* Creates a new checkbox renderer, given getter and setter functions.
* Getters and setters are used to update the object corresponding to a
* given row in the grid on the server side.
*
* @param getter
* function for getting the desired boolean value
* @param setter
* function for setting the boolean value after a change from the
* client side
*/
public CheckBoxRenderer(Function<T, Boolean> getter,
BiConsumer<T, Boolean> setter) {
super(Boolean.class, "");
addClickListener(clickEvent -> setter.accept(clickEvent.getItem(),
!getter.apply(clickEvent.getItem())));
}
}
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