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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
// register ElementFile class
App::getInstance('zoo')->loader->register('ElementFile', 'elements:file/file.php');
/*
Class: ElementMedia
The video element class
*/
class ElementMedia extends ElementFile implements iSubmittable {
protected $_extensions = 'mp4|webm|flv|swf|wmv|mp3';
protected $_youtube_regex = '/(\/\/.*?youtube\.[a-z]+)\/watch\?v=([^&]+)&?(.*)/';
protected $_youtubeshort_regex = '/(\/\/.*?youtu\.be)\/([^\?]+)(.*)/i';
protected $_vimeo_regex = '/(\/\/.*?)vimeo\.[a-z]+\/([0-9]+).*?/';
/*
Function: Constructor
*/
public function __construct() {
// call parent constructor
parent::__construct();
// set callbacks
if ($this->app->system->application->isAdmin()) {
$this->registerCallback('files');
}
}
/*
Function: hasValue
Checks if the element's value is set.
Parameters:
$params - render parameter
Returns:
Boolean - true, on success
*/
public function hasValue($params = array()) {
$url = $this->get('url');
return parent::hasValue($params) || !empty($url);
}
/*
Function: getVideoFormat
Trys to return the video format for source.
Parameters:
$source - the video source
Returns:
String - the video format, if found
*/
public function getVideoFormat($source) {
if (preg_match($this->_youtube_regex, $source)) {
return 'youtube';
} else if (preg_match($this->_youtubeshort_regex, $source)) {
return 'youtu.be';
} else if (preg_match($this->_vimeo_regex, $source)) {
return 'vimeo';
} else if (($ext = $this->app->filesystem->getExtension($source)) && in_array($ext, explode('|', $this->_extensions))) {
return strtolower($ext);
}
return null;
}
/*
Function: render
Renders the element.
Parameters:
$params - render parameter
Returns:
String - html
*/
public function render($params = array()) {
// init vars
$width = $this->get('width', $this->config->get('defaultwidth'));
$height = $this->get('height', $this->config->get('defaultheight'));
$autoplay = $this->get('autoplay', $this->config->get('defaultautoplay', false));
$source = $this->get('file') ? $this->app->path->url('root:'.$this->get('file')) : $this->get('url');
if ($format = $this->getVideoFormat($source)) {
$width_attr = $width ? ' width="'.$width.'"' : '';
$height_attr = $height && $format != 'mp3' ? ' height="'.$height.'"' : '';
switch ($format) {
case 'vimeo':
$source = preg_replace($this->_vimeo_regex, '//player.vimeo.com/video/$2', $source);
break;
case 'youtube':
$source = rtrim(preg_replace($this->_youtube_regex, '//www.youtube.com/embed/$2?$3', $source), '?');
break;
case 'youtu.be':
$source = rtrim(preg_replace($this->_youtubeshort_regex, '//www.youtube.com/embed/$2$3', $source), '?');
break;
case 'swf':
$this->app->document->addScript('elements:media/assets/js/swfobject.js');
$width = $width ? $width : 200;
$height = $height ? $height : 200;
$autoplay = $autoplay ? 'true' : 'false';
$id = 'swf-'.uniqid();
return "<div id=\"$id\">
<p><a href=\"http://www.adobe.com/go/getflashplayer\"><img src=\"http://www.adobe.com/images/shared/download_buttons/get_adobe_flash_player.png\" alt=\"Get Adobe Flash player\" /></a></p>
</div>
<script type=\"text/javascript\">
swfobject.embedSWF(\"$source\", \"$id\", \"$width\", \"$height\", \"7.0.0\", \"\", {}, {allowFullScreen:\"true\", wmode: \"transparent\", play:\"$autoplay\" });
</script>";
default:
$pluginPath = $this->app->path->url('elements:media/assets/mediaelement/')."/";
$options = compact('pluginPath');
// add stylesheets/javascripts
$this->app->document->addScript('elements:media/assets/mediaelement/mediaelement-and-player.min.js');
$this->app->document->addStylesheet('elements:media/assets/mediaelement/mediaelementplayer.min.css');
$this->app->document->addScriptDeclaration(sprintf("
jQuery(function($) {
mejs.MediaElementDefaults.pluginPath='".$pluginPath."';
$('.element-media video, .element-media audio').each(function() {
var ele = $(this);
if(!ele.parent().hasClass('mejs-mediaelement')) {
ele.data('mediaelement', new mejs.MediaElementPlayer(this, %s));
var w = ele.data('mediaelement').width, h = ele.data('mediaelement').height;
$.onMediaQuery('(max-width: 767px)', {
valid: function() {
ele.data('mediaelement').setPlayerSize('100%%', ele.is('video') ? '100%%':h);
},
invalid: function() {
var parent_width = ele.parent().width();
if (w > parent_width) {
ele.css({width:'',height:''}).data('mediaelement').setPlayerSize('100%%', '100%%');
} else {
ele.css({width:'',height:''}).data('mediaelement').setPlayerSize(w, h);
}
}
});
if ($(window).width() <= 767) {
ele.data('mediaelement').setPlayerSize('100%%', ele.is('video') ? '100%%':h);
}
}
});
});", count($options) ? json_encode($options) : '{}'));
$autoplay = $autoplay ? ' autoplay="autoplay"' : '';
$tag = $format == 'mp3' ? 'audio' : 'video';
$type = " type=\"$tag/$format\"";
return '<'.$tag.' src="'.$source.'"'.$width_attr.$height_attr.$autoplay.$type.'></'.$tag.'>';
}
$this->app->document->addScriptDeclaration(
"jQuery(function($) {
$.onMediaQuery('(max-width: 767px)', {
valid: function() {
$('.element-media iframe').attr('width', 'auto').attr('height', 'auto');
},
invalid: function() {
$('.element-media iframe').attr('width', '$width').attr('height', '$height');
}
});
});");
$autoplay = $autoplay && !preg_match('/autoplay=/', $source)? (strpos($source, '?') === false ? '?' : '&').'autoplay=1' : '';
$wmode = !preg_match('/wmode=/', $source) ? (!$autoplay && strpos($source, '?') === false ? '?' : '&').'wmode=transparent' : '';
return '<iframe src="'.$source.$autoplay.$wmode.'"'.$width_attr.$height_attr.'></iframe>';
}
return JText::_('No video selected.');
}
/*
Function: loadAssets
Load elements css/js assets.
Returns:
Void
*/
public function loadAssets() {
parent::loadAssets();
$this->app->document->addScript('elements:media/assets/js/media.js');
}
/*
Function: edit
Renders the edit form field.
Returns:
String - html
*/
public function edit() {
return $this->renderLayout($this->getLayout('edit.php'));
}
/*
Function: renderSubmission
Renders the element in submission.
Parameters:
$params - AppData submission parameters
Returns:
String - html
*/
public function renderSubmission($params = array()) {
return $this->renderLayout($this->getLayout('submission.php'), (array) $params);
}
/*
Function: validateSubmission
Validates the submitted element
Parameters:
$value - AppData value
$params - AppData submission parameters
Returns:
Array - cleaned value
*/
public function validateSubmission($value, $params) {
$url = (string) $this->app->validator->create('url', array('required' => $params->get('required')), array('required' => 'Please enter an URL.'))->clean($value->get('url'));
if ($url && (!$format = $this->getVideoFormat($url))) {
throw new AppValidatorException('Not a valid video format.');
}
$width = (string) $this->app->validator->create('integer', array('required' => false), array('number' => 'The Width needs to be a number.'))->clean($value->get('width', $this->config->get('defaultwidth')));
$height = (string) $this->app->validator->create('integer', array('required' => false), array('number' => 'The Height needs to be a number.'))->clean($value->get('height', $this->config->get('defaultheight')));
$autoplay = (bool) $params->get('trusted_mode') ? $value->get('autoplay') : $this->config->get('defaultautoplay', false);
return compact('url', 'format', 'width', 'height', 'autoplay');
}
}