com.pronoiahealth.olhie.client.widgets.booklist3d.BookListDiv3DEventObserver.java Source code

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Here is the source code for com.pronoiahealth.olhie.client.widgets.booklist3d.BookListDiv3DEventObserver.java

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/*******************************************************************************
 * Copyright (c) 2013 Pronoia Health LLC.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pronoia Health LLC - initial API and implementation
 *******************************************************************************/
package com.pronoiahealth.olhie.client.widgets.booklist3d;

import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Observes;
import javax.inject.Inject;

import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
import com.google.gwt.core.shared.GWT;
import com.pronoiahealth.olhie.client.navigation.PageNavigator;
import com.pronoiahealth.olhie.client.shared.constants.NavEnum;
import com.pronoiahealth.olhie.client.shared.events.book.CheckBookIsAuthorResponseEvent;
import com.pronoiahealth.olhie.client.shared.events.bookcase.AddBookToMyCollectionResponseEvent;
import com.pronoiahealth.olhie.client.shared.events.bookcase.RemoveBookFromMyCollectionResponseEvent;

/**
 * BookList3DEventObserver.java<br/>
 * Responsibilities:<br/>
 * 1.
 *
 * @author John DeStefano
 * @version 1.0
 * @since Dec 13, 2013
 *
 */
@Dependent
public class BookListDiv3DEventObserver {
    @Inject
    protected PageNavigator nav;

    private BookList3D bookList;

    /**
     * Constructor
     *
     */
    public BookListDiv3DEventObserver() {
    }

    @PostConstruct
    protected void postConstruct() {
        nav.hashCode();
    }

    public void attachBookList(BookList3D bookList) {
        this.bookList = bookList;
    }

    /**
     * Watch for events where the book has been added to the users collection
     * 
     * @param addBookToMyCollectionResponseEvent
     */
    protected void observersAddBookToMyCollectionResponseEvent(
            @Observes AddBookToMyCollectionResponseEvent addBookToMyCollectionResponseEvent) {
        try {
            String bookId = addBookToMyCollectionResponseEvent.getBookId();
            BookLIWidget bookListItemWidget = bookList.getBliwMap().get(bookId);

            // Toggle the button so the user can now remove the book from his
            // collection
            bookListItemWidget.setAfterAddToMyCollection();
        } catch (Exception e) {
            GWT.log("BookList3DEventObserver: " + e.getMessage());
        }
    }

    /**
     * Watch for events where the book has been removed from the users
     * collection
     * 
     * @param removeBookFromMyCollectionResponseEvent
     */
    protected void observesRemoveBookFromMyCollectionResponseEvent(
            @Observes RemoveBookFromMyCollectionResponseEvent removeBookFromMyCollectionResponseEvent) {
        try {
            String bookId = removeBookFromMyCollectionResponseEvent.getBookId();
            BookLIWidget bookListItemWidget = bookList.getBliwMap().get(bookId);

            // Toggle the button so the user can now add the book to his
            // collection
            bookListItemWidget.setAfterRemoveFromMyCollection();
        } catch (Exception e) {
            GWT.log("BookList3DEventObserver: " + e.getMessage());
        }
    }

    /**
     * The corresponding request event is fired when the user clicks the book.
     * When this happens a check is done to see if the user clicking the book is
     * the author or co-author of the book. If yes then the user will be
     * navigated to the NewBookPage where they cab edit the contents of the
     * book.
     * 
     * 
     * @param checkBookIsAuthorResponseEvent
     */
    protected void observesCheckBookIsAuthorResponseEvent(
            @Observes CheckBookIsAuthorResponseEvent checkBookIsAuthorResponseEvent) {
        boolean isAuthorCoAuthor = checkBookIsAuthorResponseEvent.isAuthorCoAuthor();
        if (isAuthorCoAuthor == true) {
            Multimap<String, String> map = ArrayListMultimap.create();
            map.put("bookId", checkBookIsAuthorResponseEvent.getBookId());
            nav.performTransition(NavEnum.NewBookPage_2.toString(), map);
        }
    }

}