Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright 2000-2024 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.flow.data.renderer;
import java.io.Serializable;
import java.util.List;
import com.vaadin.flow.shared.Registration;
/**
* Represents a clickable renderer.
*
* @author Vaadin Ltd
*
* @param
* the type of the item received in the click listeners
*/
public interface ClickableRenderer extends Serializable {
/**
* Listener that receives the clicked item (or tapped item, in touch
* devices).
*
* @param
* the type of the clicked item
*/
@FunctionalInterface
public interface ItemClickListener extends Serializable {
/**
* Notifies when an item is clicked or tapped in the target component.
*
* @param item
* the clicked or tapped item
*/
void onItemClicked(SOURCE item);
}
/**
* Adds a click listener to the renderer. Events are fired when items are
* clicked or tapped (for touch devices).
*
* @param listener
* the listener to receive click events, not null
* @return a registration that can be used to remove the listener from this
* renderer
*/
Registration addItemClickListener(ItemClickListener listener);
/**
* Gets all registered listeners.
*
* @return an unmodifiable list of registered listeners, not
* null
*/
List> getItemClickListeners();
/**
* Invoked when an item is clicked or tapped. Registered listeners are
* notified.
*
* @param item
* the clicked or tapped item
* @see #addItemClickListener(ItemClickListener)
*/
default void onClick(SOURCE item) {
List> itemClickListeners = getItemClickListeners();
if (itemClickListeners != null) {
itemClickListeners
.forEach(listener -> listener.onItemClicked(item));
}
};
}
