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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Internal library of functions for module eduplayer
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*
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* All the eduplayer specific functions, needed to implement the module
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* logic, should go here. Never include this file from your lib.php!
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*
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* @package mod
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* @subpackage eduplayer
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* @author Humanage Srl <info@humanage.it>
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* @copyright 2013 Humanage Srl <info@humanage.it>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* Define type of media to serve
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* @return array
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*/
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function eduplayer_list_type() {
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return array(
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'video' => get_string('video','eduplayer'),
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'audio' => get_string('audio','eduplayer'),
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'vplaylist' => get_string('vplaylist','eduplayer'),
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'youtube' => get_string('youtube','eduplayer'),
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'ytplaylist' => get_string('ytplaylist','eduplayer'),
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'vimeo' => get_string('vimeo','eduplayer'),
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'url' => get_string('full_url','eduplayer'),
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'rtmp' => get_string('rtmp','eduplayer')
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);
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}
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/**
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* Define the path to the skin configuration xml file
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* @return array
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*/
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function eduplayer_list_skins(){
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$skinlist = array('default'=>'default');
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if ($h = opendir( dirname(__FILE__).'/skins')) {
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while (false !== ($e = readdir($h)) ) {
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if( $e != '.' && $e != '..' ){
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if( is_dir( dirname(__FILE__)."/skins/$e" ) ){
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//get the xml file inside skin directory
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$hh = scandir( dirname(__FILE__)."/skins/$e" ) ;
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$u = array_values(preg_grep("/(.xml)$/i", $hh));
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if( !empty( $u ) ){
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$n = basename($u[0],".xml");
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$skinlist[$e.'/'.$n] = $n;
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}
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}else{
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$n = basename($e,".xml");
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$skinlist[$n] = $n;
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}
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}
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}
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closedir($h);
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}
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return $skinlist;
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}
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/*
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* eduplayer helper
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*/
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function eduplayer_player_helper($eduplayer, $cm, $context) {
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global $CFG, $COURSE, $CFG;
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$fs = get_file_storage();
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$videofiles = $fs->get_area_files($context->id, 'mod_eduplayer', 'file', false, '', false);
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$captionsfiles = $fs->get_area_files($context->id, 'mod_eduplayer', 'captionsfile', false, '', false);
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switch($eduplayer->type):
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case 'video':
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return eduplayer_player($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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case 'audio':
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return eduplayer_player($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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case 'vplaylist':
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return eduplayer_player_playlist($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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case 'youtube':
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return eduplayer_player($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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case 'ytplaylist':
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return eduplayer_player_playlist($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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case 'vimeo':
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return eduplayer_player_vimeo($eduplayer);
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break;
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case 'url':
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return eduplayer_player($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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case 'rss':
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return eduplayer_player_playlist($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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case 'rtmp':
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return eduplayer_player($eduplayer, $context, $videofiles, $captionsfiles);
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break;
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endswitch;
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}
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/*
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* Embed video player
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*/
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function eduplayer_player($eduplayer, $context, $videofiles, $captionsfiles) {
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global $CFG, $COURSE, $CFG;
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$videos = array();
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$captions = array();
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$general_options = array();
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$playlist_options = '';
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$caption_settings = '';
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$caption_attribute = '';
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$videourl = '';
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$img_attribute = '';
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$attributes=array('showlogo:'. showlogo() .'');
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//Videos
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if ($eduplayer->urltype == 1) {
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foreach($videofiles as $videofile) {
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$videolabel = explode('.', $videofile->get_filename());
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$videourl = moodle_url::make_file_url('/pluginfile.php', '/'.$context->id.'/mod_eduplayer/file/0/'.$videofile->get_filename());
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$videos[] = '{ file: "'.$videourl.'", label: "'.$videolabel[0].'" }';
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}
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} else {
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$videofiles = $eduplayer->streamer.$eduplayer->eduplayerfile;
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$videos[] = '{ file: "'.$videofiles.'" }';
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}
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//Start image (Does not work for Vimeo)
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if ($eduplayer->image) {
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$imgurl = moodle_url::make_file_url('/pluginfile.php', '/'.$context->id.'/mod_eduplayer/image/0/'.$eduplayer->image);
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$img_attribute = ' image: "'.$imgurl.'", ';
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}
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//Captions
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if ($eduplayer->captionsstate != 'false') {
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foreach($captionsfiles as $captionsfile) {
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$captionlabel = explode('.', $captionsfile->get_filename());
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$captionsurl = moodle_url::make_file_url('/pluginfile.php', '/'.$context->id.'/mod_eduplayer/captionsfile/0/'.$captionsfile->get_filename());
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$captions[] = '{ file: "'.$captionsurl.'", label: "'.$captionlabel[0].'" }';
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}
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//Add captions to params
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if (count($captionsfiles) >= 1) {
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$caption_settings .= 'captions: {'.
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'back: '.$eduplayer->captionsback.', '.
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'fontsize: '.$eduplayer->captionsfontsize.
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'} ';
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$caption_attribute .= 'captions: ['.
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implode(',',$captions).
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'], ';
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}
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}
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$playlist_attributes = array('title');
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$general_attributes = array('controls', 'eduplayerrepeat', 'autostart', 'stretching', 'mute', 'width', 'height');
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foreach($eduplayer as $key => $value) {
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if (in_array($key, $playlist_attributes)) {
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$playlist_options .= $key.': "'.$value.'", ';
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}
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if (in_array($key, $general_attributes)) {
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if ($key == 'eduplayerrepeat') {
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$key = 'repeat';
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}
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$general_options[] = $key.': "'.$value.'"';
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}
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}
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$attributes[] = 'playlist: [{'.
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$img_attribute.
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$caption_attribute.
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$playlist_options.
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'sources: ['. implode( ',', $videos ) .']'.
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'}]';
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if( $caption_settings != '' )
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$attributes[] = $caption_settings;
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$attributes[] = implode(',', $general_options);
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if( isset($eduplayer->skinxml ) || $eduplayer->eduplayerskin=='')
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$attributes[] = " skin:'skins/default.xml'";
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else
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$attributes[] = " skin:'skins/".$eduplayer->eduplayerskin.".xml'";
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//Player
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$player = html_writer::tag('div', '..Loading..', array('id' => 'videoElement'));
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//JS
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$jscode = 'jwplayer("videoElement").setup({'.
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implode( ',', $attributes ).
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'});';
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$player .= html_writer::script($jscode);
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return $player;
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}
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/*
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* Embed Playlist player
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*/
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function eduplayer_player_playlist($eduplayer, $context, $videofiles, $captionsfiles) {
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global $CFG, $COURSE, $CFG, $OUTPUT;
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$videos = '';
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$captions = '';
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$general_options = '';
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$playlist_options = '';
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$caption_settings = '';
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$caption_attribute = '';
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$img_attribute = '';
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$videourl = '';
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$default_image = $OUTPUT->pix_url('icon_large', 'eduplayer');
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//Videos
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if ($eduplayer->urltype == 1) {
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foreach($videofiles as $videofile) {
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$videolabel = explode('.', $videofile->get_filename());
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$videourl = moodle_url::make_file_url('/pluginfile.php', '/'.$context->id.'/mod_eduplayer/file/0/'.$videofile->get_filename());
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$videos[] = '{ file: "'.$videourl.'", title: "'.$videolabel[0].'", image: "'.$default_image.'" }';
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}
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} else {
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$videofiles = $eduplayer->eduplayerfile;
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$videos[]= '{ file: "'.$videofiles.'" }';
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}
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$general_attributes = array('title', 'controls', 'eduplayerrepeat', 'autostart', 'stretching', 'mute', 'width', 'height');
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foreach($eduplayer as $key => $value) {
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if (in_array($key, $general_attributes)) {
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if ($key == 'eduplayerrepeat') {
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$key = 'repeat';
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}
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$general_options .= $key.': "'.$value.'", ';
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}
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}
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//Playlist differences
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if ($eduplayer->type == 'ytplaylist') {
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if (stristr($eduplayer->eduplayerfile, 'youtube.com')) {
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$playlistid = explode('list=', $eduplayer->eduplayerfile);
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$playlistid = explode('&', $playlistid[1]);
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$eduplayer->eduplayerfile = $playlistid[0];
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}
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$playlist_options .= 'playlist: "http://gdata.youtube.com/feeds/api/playlists/'.$eduplayer->eduplayerfile.'?alt=rss", ';
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} else if ($eduplayer->type == 'rss') {
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$playlist_options .= 'playlist: "'.$videourl.'", ';
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} else if ($eduplayer->type == 'vplaylist') {
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$playlist_options .= 'playlist: ['. implode(',', $videos ) .'], ';
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}
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$playlist_options .= 'listbar: { position: "'.$eduplayer->playlistposition.'", size: "'.$eduplayer->playlistsize.'" }, ';
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// $playlist_options .= 'primary: "flash", ';
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$playlist_options .= "flashplayer:'./jwplayer.flash.swf',";
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$playlist_options .= "primary:'flash',";
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$playlist_options .= "fallback:false";
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$attributes = $general_options;
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$attributes .= $caption_settings;
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$attributes .= $playlist_options;
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if( isset($eduplayer->skinxml ) || $eduplayer->eduplayerskin=='')
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$attributes.= ",skin:'skins/default.xml'";
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else
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$attributes.= ",skin:'skins/".$eduplayer->eduplayerskin.".xml'";
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//Player
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$player = html_writer::tag('div', '..Loading..', array('id' => 'videoElement'));
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//JS
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$jscode = 'jwplayer("videoElement").setup({'.
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$attributes.
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'});';
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$player .= html_writer::script($jscode);
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return $player;
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}
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/*
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* Vimeo Player(iframe)
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*/
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function eduplayer_player_vimeo($eduplayer) {
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global $CFG, $COURSE, $CFG;
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if (stristr($eduplayer->eduplayerfile, 'vimeo.com')) {
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$videoid = explode('vimeo.com/', $eduplayer->eduplayerfile);
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$eduplayer->eduplayerfile = $videoid[1];
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}
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$content = '<iframe id="videoPlayer" src="https://player.vimeo.com/video/'.$eduplayer->eduplayerfile.'?api=1&player_id=videoPlayer" width="'.$eduplayer->width.'" height="'.$eduplayer->height.'" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>';
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$player = html_writer::tag('div', $content, array('id' => 'videoElement'));
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return $player;
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}
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