#Gocha#

<?php

/**
 * Private videoaula module utility functions
 *
 * @package    mod
 * @subpackage videoaula
 */

defined('MOODLE_INTERNAL') || die;

require_once("$CFG->libdir/filelib.php");
require_once("$CFG->libdir/resourcelib.php");
require_once("$CFG->dirroot/mod/videoaula/lib.php");

/**
 * File browsing support class
 */
class videoaula_content_file_info extends file_info_stored {
    public function get_parent() {
        if ($this->lf->get_filepath() === '/' and $this->lf->get_filename() === '.') {
            return $this->browser->get_file_info($this->context);
        }
        return parent::get_parent();
    }
    public function get_visible_name() {
        if ($this->lf->get_filepath() === '/' and $this->lf->get_filename() === '.') {
            return $this->topvisiblename;
        }
        return parent::get_visible_name();
    }
}

function videoaula_get_editor_options($context) {
    global $CFG;
    return array('subdirs'=>1, 'maxbytes'=>$CFG->maxbytes, 'maxfiles'=>-1, 'changeformat'=>1, 'context'=>$context, 'noclean'=>1, 'trusttext'=>0);
}
/*
//VIDEOAULA FIELDS: paidkey, video, file, checkpoints, captions, logo, skin, thumbnails, position, chapters, width, height, subtitle
*/
function videoaula_build_player($page){
	global $CFG;
	$playertext = get_string('playertext', 'videoaula');
	$getSources = videoaula_get_sources($page->video);
	$getTracks = videaula_get_tracks($page->thumbnails, $page->captions, $page->chapters);
	$getOnTime = videoaula_build_onTime();
	$getOnReady = videoaula_build_onReady($page);
    $getOnSeek = videoaula_build_onSeek();
	
$str = <<<player
<div id="videoaula-player">$playertext</div>
<script type="text/javascript">
$(function(){
  var actualSec, actualSecBlock, nextPos, finalPos, block, prevBlock, checkpoints, isFirstSeek = flagScroll = true;

jwplayer("videoaula-player")
    .setup({
      flashplayer: "$CFG->wwwroot/jwplayer/jwplayer.flash.swf",
	  playlist:[{
	  $getSources
	  $getTracks
      image: "$page->poster",
      logo:{hide:true}
	  }]
    })
	$getOnReady
    $getOnSeek
	$getOnTime;

return $str;
}

function videoaula_build_onSeek(){
$strOnSeek = <<<seek
.onSeek(function(e){
    va_findAndGoToSeek(e);
})
seek;
	return $strOnSeek;
}

function videoaula_build_onReady($page){
	global $USER, $DB;
	
	$character_mask = " \t\n\r\0\x0B";
	$strSeek = "";
	$seek;
	$strOnReady="";
	
	$strCheckpoints = trim($page->checkpoints, $character_mask);
	
	$dbman = $DB->get_manager();
	$table = new xmldb_table('videoaula_startat');

if($dbman->table_exists($table)){
		$seek = $DB->get_field('videoaula_startat', 'startat', array('userid'=>$USER->id, 'videoaulaid'=>$page->id), $strictness=IGNORE_MISSING);
		if ($seek != ""){
$strSeek = <<<seek
        actualSec = $seek;
		jwplayer("videoaula-player").seek(actualSec);
seek;
		}
	}
	
	if($strCheckpoints != ""){
		$table = new xmldb_table('videoaula_checkpoint');
		if($dbman->table_exists($table)){
			$arr_all_checkpoints = explode(',',$strCheckpoints);
			$select = 'userid = '.$USER->id.' and videoaulaid = '.$page->id;
			$arr_sel_checkpoints = $DB->get_fieldset_select('videoaula_checkpoint', 'checkpoint', $select);
			if(sizeof($arr_sel_checkpoints) > 0){
				$arr_diff_checkpoints = array_diff($arr_all_checkpoints,$arr_sel_checkpoints);
				$strCheckpoints = implode(',', $arr_diff_checkpoints);
			}
			$strCheckpoints = 'checkpoints = ['.$strCheckpoints.'];';
		}
	}
	
$strOnReady = <<<ready
.onReady(function(e){
    $strCheckpoints
    $strSeek
    $('#videoaula-player').append('<div id="flag"></div>');
    })
ready;

return $strOnReady;
}