lh.api.showcase.client.BasicAbstractPresenter.java Source code

Introduction

Here is the source code for lh.api.showcase.client.BasicAbstractPresenter.java

Source

/*
 * Copyright 2015 Loic Merckel
 * 
 * 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 lh.api.showcase.client;

import lh.api.showcase.client.menu.event.MenuEvent;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.HandlerManager;

public abstract class BasicAbstractPresenter implements Presenter {

    protected final HandlerManager eventBus;

    public BasicAbstractPresenter(final HandlerManager eventBus, BasicDisplay display) {
        super();
        this.eventBus = eventBus;

        // back button
        if (display.getBackHandler() != null) {
            display.getBackHandler().addClickHandler(new ClickHandler() {
                public void onClick(ClickEvent event) {

                    eventBus.fireEvent(new MenuEvent(MenuEvent.MenuSelection.BACK));
                }
            });
        }
    }
}