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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 2000-2014 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.client.connectors;

import com.google.web.bindery.event.shared.HandlerRegistration;
import com.vaadin.client.MouseEventDetailsBuilder;
import com.vaadin.client.renderers.ClickableRenderer;
import com.vaadin.client.renderers.ClickableRenderer.RendererClickEvent;
import com.vaadin.client.renderers.ClickableRenderer.RendererClickHandler;
import com.vaadin.shared.ui.grid.renderers.RendererClickRpc;

import elemental.json.JsonObject;

/**
 * An abstract base class for {@link ClickableRenderer} connectors.
 * 
 * @param 
 *            the presentation type of the renderer
 * 
 * @since 7.4
 * @author Vaadin Ltd
 */
public abstract class ClickableRendererConnector extends
        AbstractRendererConnector {

    HandlerRegistration clickRegistration;

    @Override
    protected void init() {
        clickRegistration = addClickHandler(new RendererClickHandler() {
            @Override
            public void onClick(RendererClickEvent event) {
                getRpcProxy(RendererClickRpc.class).click(
                        getRowKey(event.getCell().getRow()),
                        getColumnId(event.getCell().getColumn()),
                        MouseEventDetailsBuilder.buildMouseEventDetails(event
                                .getNativeEvent()));
            }
        });
    }

    @Override
    public void onUnregister() {
        clickRegistration.removeHandler();
    }

    protected abstract HandlerRegistration addClickHandler(
            RendererClickHandler handler);
}