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- <?php
- /* For licensing terms, see /license.txt */
- use ChamiloSession as Session;
- /**
- * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php.
- *
- * @author Patrick Cool
- * @author Denes Nagy
- * @author Roan Embrechts, refactoring and code cleaning
- * @author Yannick Warnier <ywarnier@beeznest.org> - cleaning and update for new SCORM tool
- *
- * @package chamilo.learnpath
- */
- $this_section = SECTION_COURSES;
- api_protect_course_script();
- $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
- /** @var learnpath $learnPath */
- $learnPath = Session::read('oLP');
- $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $isStudentView = isset($_REQUEST['isStudentView']) ? (int) $_REQUEST['isStudentView'] : null;
- $learnpath_id = (int) $_REQUEST['lp_id'];
- $submit = isset($_POST['submit_button']) ? $_POST['submit_button'] : null;
- $_course = api_get_course_info();
- if (!$is_allowed_to_edit || $isStudentView) {
- header('location:lp_controller.php?action=view&lp_id='.$learnpath_id);
- exit;
- }
- if (api_is_in_gradebook()) {
- $interbreadcrumb[] = [
- 'url' => Category::getUrl(),
- 'name' => get_lang('Assessments'),
- ];
- }
- $interbreadcrumb[] = [
- 'url' => 'lp_controller.php?action=list&'.api_get_cidreq(),
- 'name' => get_lang('Learning paths'),
- ];
- $interbreadcrumb[] = [
- 'url' => api_get_self()."?action=build&lp_id=$learnpath_id&".api_get_cidreq(),
- "name" => Security::remove_XSS($learnPath->getNameNoTags()),
- ];
- $interbreadcrumb[] = [
- 'url' => api_get_self()."?action=add_item&type=step&lp_id=$learnpath_id&".api_get_cidreq(),
- 'name' => get_lang('Add learning object or activity'),
- ];
- if (isset($_REQUEST['updateaudio'])) {
- $interbreadcrumb[] = ['url' => '#', 'name' => get_lang('Add audio')];
- } else {
- $interbreadcrumb[] = ['url' => '#', 'name' => get_lang('Organize')];
- }
- $htmlHeadXtra[] = '<script>'.$learnPath->get_js_dropdown_array().'</script>';
- // Theme calls.
- $show_learn_path = true;
- $lp_theme_css = $learnPath->get_theme();
- // POST action handling (uploading mp3, deleting mp3)
- if (isset($_POST['save_audio'])) {
- //Updating the lp.modified_on
- $learnPath->set_modified_on();
- $lp_items_to_remove_audio = [];
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- // Deleting the audio fragments.
- foreach ($_POST as $key => $value) {
- if (substr($key, 0, 9) == 'removemp3') {
- $lp_items_to_remove_audio[] = str_ireplace('removemp3', '', $key);
- // Removing the audio from the learning path item.
- $in = implode(',', $lp_items_to_remove_audio);
- }
- }
- if (count($lp_items_to_remove_audio) > 0) {
- $sql = "UPDATE $tbl_lp_item SET audio = ''
- WHERE iid IN (".$in.")";
- Database::query($sql);
- }
- // Uploading the audio files.
- foreach ($_FILES as $key => $value) {
- if (substr($key, 0, 7) == 'mp3file' &&
- !empty($_FILES[$key]['tmp_name'])
- ) {
- // The id of the learning path item.
- $lp_item_id = str_ireplace('mp3file', '', $key);
- // Create the audio folder if it does not exist yet.
- DocumentManager::createDefaultAudioFolder($_course);
- // Check if file already exits into document/audio/
- $file_name = $_FILES[$key]['name'];
- $file_name = stripslashes($file_name);
- // Add extension to files without one (if possible).
- $file_name = add_ext_on_mime($file_name, $_FILES[$key]['type']);
- $clean_name = api_replace_dangerous_char($file_name);
- // No "dangerous" files.
- $clean_name = disable_dangerous_file($clean_name);
- $check_file_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/audio/'.$clean_name;
- // If the file exists we generate a new name.
- if (file_exists($check_file_path)) {
- $filename_components = explode('.', $clean_name);
- // Gettting the extension of the file.
- $file_extension = $filename_components[count($filename_components) - 1];
- // Adding something random to prevent overwriting.
- $filename_components[count($filename_components) - 1] = time();
- // Reconstructing the new filename.
- $clean_name = implode($filename_components).'.'.$file_extension;
- // Using the new name in the $_FILES superglobal.
- $_FILES[$key]['name'] = $clean_name;
- }
- // Upload the file in the documents tool.
- $file_path = handle_uploaded_document(
- $_course,
- $_FILES[$key],
- api_get_path(SYS_COURSE_PATH).$_course['path'].'/document',
- '/audio',
- api_get_user_id(),
- '',
- '',
- '',
- '',
- false
- );
- // Getting the filename only.
- $file_components = explode('/', $file_path);
- $file = $file_components[count($file_components) - 1];
- // Store the mp3 file in the lp_item table.
- $sql = "UPDATE $tbl_lp_item
- SET audio = '".Database::escape_string($file)."'
- WHERE iid = ".(int) $lp_item_id;
- Database::query($sql);
- }
- }
- //echo Display::return_message(get_lang('Item updated'), 'confirm');
- $url = api_get_self().'?action=add_item&type=step&lp_id='.$learnPath->get_id().'&'.api_get_cidreq();
- header('Location: '.$url);
- exit;
- }
- Display::display_header(null, 'Path');
- $suredel = trim(get_lang('Are you sure to delete'));
- ?>
- <script>
- var newOrderData= "";
- //source code found in http://www.swartzfager.org/blog/dspNestedList.cfm
- $(function() {
- <?php
- if (!isset($_REQUEST['updateaudio'])) {
- ?>
- $("#lp_item_list").sortable({
- items: "li",
- handle: ".moved", //only the class "moved"
- cursor: "move",
- placeholder: "ui-state-highlight" //defines the yellow highlight
- });
- $("#listSubmit").click(function () {
- //Disable the submit button to prevent a double-click
- $(this).attr("disabled","disabled");
- //Initialize the variable that will contain the data to submit to the form
- newOrderData= "";
- //All direct descendants of the lp_item_list will have a parentId of 0
- var parentId= 0;
- //Walk through the direct descendants of the lp_item_list <ul>
- $("#lp_item_list").children().each(function () {
- /*Only process elements with an id attribute (in order to skip the blank,
- unmovable <li> elements.*/
- if ($(this).attr("id")) {
- /*Build a string of data with the child's ID and parent ID,
- using the "|" as a delimiter between the two IDs and the "^"
- as a record delimiter (these delimiters were chosen in case the data
- involved includes more common delimiters like commas within the content)
- */
- newOrderData= newOrderData + $(this).attr("id") + "|" + "0" + "^";
- //Determine if this child is a containter
- if ($(this).is(".li_container")) {
- //Process the child elements of the container
- processChildren($(this).attr("id"));
- }
- }
- }); //end of lp_item_list children loop
- //Write the newOrderData string out to the listResults form element
- //$("#listResults").val(newOrderData);
- var order = "new_order="+ newOrderData + "&a=update_lp_item_order";
- $.post("<?php echo api_get_path(WEB_AJAX_PATH); ?>lp.ajax.php", order, function(reponse) {
- $("#message").html(reponse);
- });
- setTimeout(function() {
- $("#message").html('');
- }, 3000);
- return false;
- }); //end of lp_item_list event assignment
- <?php
- } ?>
- function processChildren(parentId) {
- //Loop through the children of the UL element defined by the parentId
- var ulParentID= "UL_" + parentId;
- $("#" + ulParentID).children().each(function () {
- /*Only process elements with an id attribute (in order to skip the blank,
- unmovable <li> elements.*/
- if ($(this).attr("id")) {
- /*Build a string of data with the child's ID and parent ID,
- using the "|" as a delimiter between the two IDs and the "^"
- as a record delimiter (these delimiters were chosen in case the data
- involved includes more common delimiters like commas within the content)
- */
- newOrderData= newOrderData + $(this).attr("id") + "|" + parentId + "^";
- //Determine if this child is a containter
- if ($(this).is(".container")) {
- //Process the child elements of the container
- processChildren($(this).attr("id"));
- }
- }
- }); //end of children loop
- } //end of processChildren function
- });
- /* <![CDATA[ */
- function stripslashes(str) {
- str=str.replace(/\\'/g,'\'');
- str=str.replace(/\\"/g,'"');
- str=str.replace(/\\\\/g,'\\');
- str=str.replace(/\\0/g,'\0');
- return str;
- }
- function confirmation(name) {
- name=stripslashes(name);
- if (confirm("<?php echo $suredel; ?> " + name + " ?")) {
- return true;
- } else {
- return false;
- }
- }
- </script>
- <?php
- echo $learnPath->build_action_menu();
- echo '<div class="row">';
- echo '<div class="col-md-4">';
- echo $learnPath->return_new_tree(null, true);
- echo '</div>';
- echo '<div class="col-md-8">';
- switch ($_GET['action']) {
- case 'edit_item':
- if (isset($is_success) && $is_success === true) {
- echo Display::return_message(
- get_lang('The learning object has been edited'),
- 'confirm'
- );
- } else {
- echo $learnPath->display_edit_item($_GET['id']);
- }
- break;
- case 'delete_item':
- if (isset($is_success) && $is_success === true) {
- echo Display::return_message(
- get_lang('The learning object has been deleted'),
- 'confirm'
- );
- }
- break;
- }
- if (!empty($_GET['updateaudio'])) {
- // list of items to add audio files
- echo $learnPath->overview();
- }
- echo '</div>';
- echo '</div>';
- Display::display_footer();
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