chamilo-lms/main/newscorm/lp_view.php

<?php
/* For licensing terms, see /license.txt */

/**
* This file was originally the copy of document.php, but many modifications happened since then ;
* the direct file view is not needed anymore, if the user uploads a scorm zip file, a directory
* will be automatically created for it, and the files will be uncompressed there for example ;
*
* @package chamilo.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org> - redesign
* @author Denes Nagy, principal author
* @author Isthvan Mandak, several new features
* @author Roan Embrechts, code improvements and refactoring
* @license	GNU/GPL - See Chamilo license directory for details
*/

/* INIT SECTION */

$_SESSION['whereami'] = 'lp/view';
$this_section = SECTION_COURSES;

if ($lp_controller_touched != 1){
	header('location: lp_controller.php?action=view&item_id='.$_REQUEST['item_id']);
	exit;
}

/*
	Libraries
*/
require_once 'back_compat.inc.php';
//require_once '../learnpath/learnpath_functions.inc.php';
require_once 'scorm.lib.php';
require_once 'learnpath.class.php';
require_once 'learnpathItem.class.php';
//require_once 'lp_comm.common.php'; //xajax functions

if (!$is_allowed_in_course) api_not_allowed();

// We set the encoding of the lp.
if (!empty($_SESSION['oLP']->encoding)) {
	$charset = $_SESSION['oLP']->encoding;
} else {
	$charset = api_get_system_encoding();
}

$oLearnpath		= false;
$course_code 	= api_get_course_id();
$user_id 		= api_get_user_id();
$platform_theme = api_get_setting('stylesheets'); // Plataform's css.
$my_style		= $platform_theme;
// Escape external variables.

/* 	Header  */

$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>';

if (api_get_setting('show_glossary_in_documents') == 'ismanual' || api_get_setting('show_glossary_in_documents') == 'isautomatic' ) {
	$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.frameready.js" type="text/javascript" language="javascript"></script>';
	$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js" type="text/javascript" language="javascript"></script>';
}

$htmlHeadXtra[] = '<script language="javascript" type="text/javascript">
$(document).ready(function (){
    $("div#log_content_cleaner").bind("click", function(){
      $("div#log_content").empty();
    });
});
</script>';

$htmlHeadXtra[] = '<script language="JavaScript" type="text/javascript">
  	var dokeos_xajax_handler = window.oxajax;
</script>';

$_SESSION['oLP']->error = '';
$lp_type 	= $_SESSION['oLP']->get_type();
$lp_item_id = $_SESSION['oLP']->get_current_item_id();
//$lp_item_id = learnpath::escape_string($_GET['item_id']);
//$_SESSION['oLP']->set_current_item($lp_item_id); // Already done by lp_controller.php.

// Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
$_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
$_SESSION['scorm_item_id'] = $lp_item_id;
$_SESSION['lp_mode'] = $_SESSION['oLP']->mode;

// Reinit exercises variables to avoid spacename clashes (see exercise tool)
if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
    api_session_unregister($exerciseResult);
}
unset($_SESSION['objExercise']);
unset($_SESSION['questionList']);

/**
 * Get a link to the corresponding document.
 */
if (!isset($src)) {
 	$src = '';
	switch($lp_type) {
		case 1:
			$_SESSION['oLP']->stop_previous_item();
			$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
			$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
			if ($prereq_check === true) {
				$src = $_SESSION['oLP']->get_link('http', $lp_item_id);
				//Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
				$file_info = pathinfo($src);
				if (api_strtolower(substr($file_info['extension'], 0, 3) == 'pdf')) {
					$src = 'lp_view_item.php?src='.$src;
				}
				$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
			} else {
				$src = 'blank.php?error=prerequisites';
			}
			break;
		case 2:
			// save old if asset
			$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
			$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
			$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
			if ($prereq_check === true) {
				$src = $_SESSION['oLP']->get_link('http',$lp_item_id);
				$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
			} else {
				$src = 'blank.php?error=prerequisites';
			}
			break;
		case 3:
			// aicc
			$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
			$htmlHeadXtra[] = '<script src="'.$_SESSION['oLP']->get_js_lib().'" type="text/javascript" language="javascript"></script>';
			$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
			if ($prereq_check === true) {
				$src = $_SESSION['oLP']->get_link('http',$lp_item_id);
				$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
			} else {
				$src = 'blank.php';
			}
			break;
		case 4:
			break;
	}
}

$list = $_SESSION['oLP']->get_toc();
$type_quiz = false;

foreach($list as $toc) {
	if ($toc['id'] == $lp_item_id && ($toc['type']=='quiz')) {
		$type_quiz = true;
	}
}

$autostart = 'true';
// Update status, total_time from lp_item_view table when you finish the exercises in learning path.
if ($type_quiz && !empty($_REQUEST['exeId']) && isset($_GET['lp_id']) && isset($_GET['lp_item_id'])) {
	global $src;
	$_SESSION['oLP']->items[$_SESSION['oLP']->current]->write_to_db();
	$TBL_TRACK_EXERCICES	= Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
	$TBL_LP_ITEM_VIEW		= Database::get_course_table(TABLE_LP_ITEM_VIEW);
	$TBL_LP_VIEW			= Database::get_course_table(TABLE_LP_VIEW);
	$TBL_LP_ITEM			= Database::get_course_table(TABLE_LP_ITEM);
	$safe_item_id      		= Database::escape_string($_GET['lp_item_id']);
    $safe_id           		= Database::escape_string($_GET['lp_id']);
	$safe_exe_id 			= Database::escape_string($_REQUEST['exeId']);

	if ($safe_id == strval(intval($safe_id)) && $safe_item_id == strval(intval($safe_item_id))) {

		$sql = 'SELECT start_date,exe_date,exe_result,exe_weighting FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = '.(int)$safe_exe_id;
		$res = Database::query($sql);
		$row_dates = Database::fetch_array($res);

		$time_start_date = convert_mysql_date($row_dates['start_date']);
		$time_exe_date 	 = convert_mysql_date($row_dates['exe_date']);
		$mytime = ((int)$time_exe_date-(int)$time_start_date);
		$score = (float)$row_dates['exe_result'];
		$max_score = (float)$row_dates['exe_weighting'];

		$sql_upd_status = "UPDATE $TBL_LP_ITEM_VIEW SET status = 'completed' WHERE lp_item_id = '".(int)$safe_item_id."'
				 AND lp_view_id = (SELECT lp_view.id FROM $TBL_LP_VIEW lp_view WHERE user_id = '".(int)$_SESSION['oLP']->user_id."' AND lp_id='".(int)$safe_id."')";
		Database::query($sql_upd_status);

		$sql_upd_max_score = "UPDATE $TBL_LP_ITEM SET max_score = '$max_score' WHERE id = '".(int)$safe_item_id."'";
		Database::query($sql_upd_max_score);

		$sql_last_attempt = "SELECT id FROM $TBL_LP_ITEM_VIEW  WHERE lp_item_id = '$safe_item_id' AND lp_view_id = '".$_SESSION['oLP']->lp_view_id."' order by id desc limit 1";
		$res_last_attempt = Database::query($sql_last_attempt);
		$row_last_attempt = Database::fetch_row($res_last_attempt);

		if (Database::num_rows($res_last_attempt) > 0) {
			$sql_upd_score = "UPDATE $TBL_LP_ITEM_VIEW SET score = $score,total_time = $mytime WHERE id='".$row_last_attempt[0]."'";
			Database::query($sql_upd_score);
		}
	}

	if (intval($_GET['fb_type']) > 0) {
		$src = 'blank.php?msg=exerciseFinished';
	} else {
		$src = api_get_path(WEB_CODE_PATH).'exercice/exercise_show.php?id='.Security::remove_XSS($_REQUEST['exeId']).'&origin=learnpath&learnpath_id='.Security::remove_XSS($_GET['lp_id']).'&learnpath_item_id='.Security::remove_XSS($_GET['lp_id']).'&fb_type='.Security::remove_XSS($_GET['fb_type']);
	}
	$autostart = 'false';
}

$_SESSION['oLP']->set_previous_item($lp_item_id);
$nameTools = Security :: remove_XSS(api_convert_encoding($_SESSION['oLP']->get_name(), $charset, api_get_system_encoding()));

$save_setting = api_get_setting('show_navigation_menu');
global $_setting;
$_setting['show_navigation_menu'] = 'false';
$scorm_css_header = true;
$lp_theme_css = $_SESSION['oLP']->get_theme(); // Sets the css theme of the LP this call is also use at the frames (toc, nav, message).

if ($_SESSION['oLP']->mode == 'fullscreen') {
	$htmlHeadXtra[] = "<script>window.open('$src','content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');</script>";
}

	// Not in fullscreen mode.
	require_once '../inc/reduced_header.inc.php';
	//$displayAudioRecorder = (api_get_setting('service_visio', 'active') == 'true') ? true : false;
	// Check if audio recorder needs to be in studentview.
	$course_id = $_SESSION['_course']['id'];
	if ($_SESSION['status'][$course_id] == 5) {
		$audio_recorder_studentview = true;
	} else {
		$audio_recorder_studentview = false;
	}
	// Set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php).
	$_SESSION['loaded_lp_view'] = true;

?>
<body dir="<?php echo api_get_text_direction(); ?>">
<div id="learning_path_main"  style="width:100%;height:100%;" >
    <div id="learning_path_left_zone" style="float:left;width:280px;height:100%">

		<!-- header -->
		<div id="header">
	        <div id="learning_path_header" style="font-size:14px;">
	            <table>
	                <tr>
	                    <td>
	                        <a href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();"><img src="../img/lp_arrow.gif" /></a>
	                    </td>
	                    <td>
	                        <a class="link" href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();">
	                        <?php echo api_convert_encoding(get_lang('CourseHomepageLink'), $charset, api_get_system_encoding()); ?></a>
	                    </td>
	                </tr>
	            </table>
	        </div>
		</div>
		<!-- end header -->

        <!-- Image preview Layout -->
        <!-- hub 26-50-2010 for lp toc height
        <div id="author_image" name="author_image" class="lp_author_image" style="height:23%; width:100%;margin-left:5px;">
        -->
        <div id="author_image" name="author_image" class="lp_author_image" style="width:100%;margin-left:5px;">
		    <?php $image = '../img/lp_author_background.gif'; ?>
			<div id="preview_image" style="padding:5px;background-image: url('../img/lp_author_background.gif');background-repeat:no-repeat;height:110px">
		       	<div style="width:100; float:left;height:105;margin:5px">
		       		<span style="width:104px; height:96px; float:left; vertical-align:bottom;">
			        <center>
			        <?php
			        if ($_SESSION['oLP']->get_preview_image()!='') {
			        	$picture = getimagesize(api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image());
			        	if($picture['1'] < 96) { $style = ' style="padding-top:'.((94 -$picture['1'])/2).'px;" '; }
			        	$size = ($picture['0'] > 104 && $picture['1'] > 96 )? ' width="104" height="96" ': $style;
			        	$my_path = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image();
			        	echo '<img '.$size.' src="'.$my_path.'">';
			        } else {
						echo Display :: display_icon('unknown_250_100.jpg', ' ');
					}
					?>
				    </center>
				    </span>
		       	</div>

				<div id="nav_id" name="nav_name" class="lp_nav" style="margin-left:105;height:90">
			        <?php
						$display_mode = $_SESSION['oLP']->mode;
						$scorm_css_header = true;
						$lp_theme_css = $_SESSION['oLP']->get_theme();

						// Setting up the CSS theme if exists.
						if (!empty ($lp_theme_css) && !empty ($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
							global $lp_theme_css;
						} else {
							$lp_theme_css = $my_style;
						}

						$progress_bar 	= $_SESSION['oLP']->get_progress_bar('', -1, '', true);
						$navigation_bar = $_SESSION['oLP']->get_navigation_bar();
						$mediaplayer 	= $_SESSION['oLP']->get_mediaplayer($autostart);

						$tbl_lp_item	= Database::get_course_table(TABLE_LP_ITEM);
						$show_audioplayer = false;
						// Getting all the information about the item.
						$sql = "SELECT audio FROM " . $tbl_lp_item . " WHERE lp_id = '" . $_SESSION['oLP']->lp_id."'";
						$res_media= Database::query($sql);

						if (Database::num_rows($res_media) > 0) {
							while ($row_media= Database::fetch_array($res_media)) {
							     if (!empty($row_media['audio'])) {$show_audioplayer = true; break;}
							}
						}
					?>

					<div id="lp_navigation_elem" class="lp_navigation_elem" style="padding-left:130px;margin-top:9px;">
						<div style="padding-top:15px;padding-bottom:50px;" ><?php echo $navigation_bar; ?></div>
						<div style="height:20px"><?php echo $progress_bar; ?></div>
					</div>
				</div>
    		</div>
	   </div>
	   <!-- end image preview Layout -->
		<div id="author_name" style="position:relative;top:2px;left:0px;margin:0;padding:0;text-align:center;width:100%">
			<?php echo $_SESSION['oLP']->get_author(); ?>
		</div>

		<!-- media player layaout -->
		<?php $style_media = (($show_audioplayer) ? ' style= "position:relative;top:10px;left:10px;margin:8px;font-size:32pt;height:20px;"' : 'style="height:15px"'); ?>
		<div id="media"  <?php echo $style_media; ?>>
			<?php echo (!empty($mediaplayer)) ? $mediaplayer : '&nbsp;' ?>
		</div>
		<!-- end media player layaout -->

		<!-- toc layout -->
		<!-- hub 26-05-2010 remove height for lp toc height resizable
		<div id="toc_id" name="toc_name"  style="overflow: auto; padding:0;margin-top:20px;height:60%;width:100%">
		-->
		<div id="toc_id" name="toc_name"  style="overflow: auto; padding:0;margin-top:20px;width:100%">
			<div id="learning_path_toc" style="font-size:9pt;margin:0;"><?php echo $_SESSION['oLP']->get_html_toc(); ?>

    	<?php if (!empty($_SESSION['oLP']->scorm_debug)) { //only show log
    	?>
	        <!-- log message layout -->
			<div id="lp_log_name" name="lp_log_name" class="lp_log" style="height:150px;overflow:auto;margin:4px">
				<div id="log_content"></div>
				<div id="log_content_cleaner" style="color: white;">.</div>
			</div>
	        <!-- end log message layout -->
	   <?php } ?>
			</div>
		</div>
		<!-- end toc layout -->
	</div>
    <!-- end left Zone -->

    <!-- right Zone -->
	<div id="learning_path_right_zone" style="margin-left:282px;height:100%">
	<?php
		// hub 26-05-2010 Fullscreen or not fullscreen
		if ($_SESSION['oLP']->mode == 'fullscreen') {
			echo '<iframe id="content_id_blank" name="content_name_blank" src="blank.php" border="0" frameborder="0" style="width:100%;height:600px" ></iframe>';
		} else {
			echo '<iframe id="content_id" name="content_name" src="'.$src.'" border="0" frameborder="0"  style="width:100%;height:600px" ></iframe>';
		}
	?>
	</div>
    <!-- end right Zone -->
</div>
<script language="JavaScript" type="text/javascript">
	// Need to be called after the <head> to be sure window.oxajax is defined.
	//var dokeos_xajax_handler = window.oxajax;
</script>
<script language="JavaScript" type="text/javascript">
	// Resize right and left pane to full height (HUB 20-05-2010).
	function updateContentHeight() {
		document.body.style.overflow = 'hidden';
		var IE = window.navigator.appName.match(/microsoft/i);
		var hauteurHeader = document.getElementById('header').offsetHeight;
		var hauteurAuthorImg = document.getElementById('author_image').offsetHeight;
		var hauteurAuthorName = document.getElementById('author_name').offsetHeight;
		var hauteurMedia = document.getElementById('media').offsetHeight;
		var hauteurTitre = document.getElementById('scorm_title').offsetHeight;
		var hauteurAction = 0;
		if (document.getElementById('actions_lp')) hauteurAction = document.getElementById('actions_lp').offsetHeight;
		var hauteurHaut = hauteurHeader+hauteurAuthorImg+hauteurAuthorName+hauteurMedia+hauteurTitre+hauteurAction;
		var innerHauteur = (IE) ? document.body.clientHeight : window.innerHeight ;
		var debugsize = 0;
		// -40 is a static adjustement for margin, spaces on the page
		<?php if (!empty($_SESSION['oLP']->scorm_debug)) echo 'debugsize = 150;' ?>
		document.getElementById('inner_lp_toc').style.height = innerHauteur - hauteurHaut - 40 - debugsize + "px";
		if (document.getElementById('content_id')) {
			document.getElementById('content_id').style.height = innerHauteur + 'px';
		}

	// Loads the glossary library.
	<?php
	  if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
	  	 if (api_get_setting('show_glossary_in_documents') == 'ismanual') {
	  	 	 ?>
			$.frameReady(function(){
		   		//  $("<div>I am a div courses</div>").prependTo("body");
	     }, "top.content_name",
	      { load: [
	      		{type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.js"},
	          	{type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"},
	          	{type:"script", id:"_fr3", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>fckeditor/editor/plugins/glossary/fck_glossary_manual.js"}
	      ] }
	      );
	<?php
		} elseif (api_get_setting('show_glossary_in_documents') == 'isautomatic') {
	  ?>
	$.frameReady(function(){
		//  $("<div>I am a div courses</div>").prependTo("body");
	  }, "top.content_name",
	  { load: [
	  		{type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.js"},
	      	{type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"},
	      	{type:"script", id:"_fr3", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>fckeditor/editor/plugins/glossary/fck_glossary_automatic.js"}
	      ] }
	      );
	  <?php
	  	 }
	  }
	  ?>
}
	window.onload = updateContentHeight;
	window.onresize = updateContentHeight;

-->
</script>
</body>
<?php
// Restore a global setting.
$_setting['show_navigation_menu'] = $save_setting;