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156 lines
4.5 KiB
PHP
156 lines
4.5 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Gdata
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* @subpackage Demos
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* @see Zend_Loader
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*/
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require_once 'Zend/Loader.php';
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/**
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* @see Zend_Gdata_Books
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*/
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Zend_Loader::loadClass('Zend_Gdata_Books');
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/**
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* Return a comma separated string representing the elements of an array
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*
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* @param Array $elements The array of elements
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* @return string Comma separated string
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*/
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function printArray($elements) {
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$result = '';
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foreach ($elements as $element) {
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if (!empty($result)) $result = $result.', ';
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$result = $result.$element;
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}
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return $result;
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}
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/**
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* Echo the list of videos in the specified feed.
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*
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* @param Zend_Gdata_Books_BookFeed $feed The video feed
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* @return void
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*/
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function echoBookList($feed)
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{
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print <<<HTML
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<table><tr><td id="resultcell">
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<div id="searchResults">
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<table class="volumeList"><tbody width="100%">
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HTML;
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$flipflop = false;
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foreach ($feed as $entry) {
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$title = printArray($entry->getTitles());
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$volumeId = $entry->getVolumeId();
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if ($thumbnailLink = $entry->getThumbnailLink()) {
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$thumbnail = $thumbnailLink->href;
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} else {
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$thumbnail = null;
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}
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$preview = $entry->getPreviewLink()->href;
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$embeddability = $entry->getEmbeddability()->getValue();
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$creators = printArray($entry->getCreators());
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if (!empty($creators)) $creators = "by " . $creators;
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if ($embeddability ==
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"http://schemas.google.com/books/2008#embeddable") {
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$preview_link = '<a href="javascript:load_viewport(\''.
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$preview.'\',\'viewport\');">'.
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'<img class="previewbutton" src="http://code.google.com/' .
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'apis/books/images/gbs_preview_button1.png" />' .
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'</a><br>';
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} else {
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$preview_link = '';
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}
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$thumbnail_img = (!$thumbnail) ? '' : '<a href="'.$preview.
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'"><img src="'.$thumbnail.'"/></a>';
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print <<<HTML
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<tr>
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<td><div class="thumbnail">
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$thumbnail_img
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</div></td>
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<td width="100%">
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<a href="${preview}">$title</a><br>
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$creators<br>
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$preview_link
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</td></tr>
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HTML;
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}
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print <<<HTML
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</table></div></td>
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<td width=50% id="previewcell"><div id="viewport"></div>
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</td></tr></table><br></body></html>
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HTML;
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}
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/*
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* The main controller logic of the Books volume browser demonstration app.
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*/
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$queryType = isset($_GET['queryType']) ? $_GET['queryType'] : null;
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include 'interface.html';
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if ($queryType === null) {
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/* display the entire interface */
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} else {
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$books = new Zend_Gdata_Books();
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$query = $books->newVolumeQuery();
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/* display a list of volumes */
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if (isset($_GET['searchTerm'])) {
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$searchTerm = $_GET['searchTerm'];
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$query->setQuery($searchTerm);
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}
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if (isset($_GET['startIndex'])) {
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$startIndex = $_GET['startIndex'];
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$query->setStartIndex($startIndex);
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}
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if (isset($_GET['maxResults'])) {
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$maxResults = $_GET['maxResults'];
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$query->setMaxResults($maxResults);
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}
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if (isset($_GET['minViewability'])) {
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$minViewability = $_GET['minViewability'];
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$query->setMinViewability($minViewability);
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}
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/* check for one of the restricted feeds, or list from 'all' videos */
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switch ($queryType) {
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case 'full_view':
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case 'partial_view':
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$query->setMinViewability($queryType);
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echo 'Requesting feed: ' . ($query->getQueryUrl()) . '<br><br>';
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$feed = $books->getVolumeFeed($query);
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break;
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case 'all':
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echo 'Requesting feed: ' . ($query->getQueryUrl()) . '<br><br>';
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$feed = $books->getVolumeFeed($query);
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break;
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default:
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echo 'ERROR - unknown queryType - "' . $queryType . '"';
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break;
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}
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echoBookList($feed);
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}
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