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