mirror of
https://github.com/moodle/moodle.git
synced 2025-01-18 14:03:52 +01:00
453 lines
20 KiB
PHP
453 lines
20 KiB
PHP
<?php // $Id$
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// Displays the top level category or all courses
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// In editing mode, allows the admin to edit a category,
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// and rearrange courses
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require_once("../config.php");
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require_once("lib.php");
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$id = required_param('id', PARAM_INT); // Category id
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$page = optional_param('page', 0, PARAM_INT); // which page to show
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$perpage = optional_param('perpage', $CFG->coursesperpage, PARAM_INT); // how many per page
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$categoryedit = optional_param('categoryedit', -1, PARAM_BOOL);
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$hide = optional_param('hide', 0, PARAM_INT);
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$show = optional_param('show', 0, PARAM_INT);
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$moveup = optional_param('moveup', 0, PARAM_INT);
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$movedown = optional_param('movedown', 0, PARAM_INT);
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$moveto = optional_param('moveto', 0, PARAM_INT);
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$rename = optional_param('rename', '', PARAM_NOTAGS);
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$resort = optional_param('resort', 0, PARAM_BOOL);
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if (!$site = get_site()) {
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error("Site isn't defined!");
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}
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$context = get_context_instance(CONTEXT_COURSECAT, $id);
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if ($CFG->forcelogin) {
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require_login();
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}
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if (!$category = get_record("course_categories", "id", $id)) {
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error("Category not known!");
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}
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if (has_capability('moodle/course:create', $context)) {
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if ($categoryedit !== -1) {
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$USER->categoryediting = $categoryedit;
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}
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$navbaritem = update_category_button($category->id);
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$creatorediting = !empty($USER->categoryediting);
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$adminediting = (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM, SITEID)) and $creatorediting);
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} else {
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if (!$category->visible) {
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error(get_string('notavailable', 'error'));
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}
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$navbaritem = print_course_search("", true, "navbar");
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$adminediting = false;
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$creatorediting = false;
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}
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if (has_capability('moodle/category:update', $context)) {
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/// Rename the category if requested
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if (!empty($rename) and confirm_sesskey()) {
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$category->name = $rename;
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if (! set_field("course_categories", "name", $category->name, "id", $category->id)) {
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notify("An error occurred while renaming the category");
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}
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}
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/// Resort the category if requested
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if ($resort and confirm_sesskey()) {
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if ($courses = get_courses($category->id, "fullname ASC", 'c.id,c.fullname,c.sortorder')) {
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// move it off the range
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$count = get_record_sql('SELECT MAX(sortorder) AS max, 1
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FROM ' . $CFG->prefix . 'course WHERE category=' . $category->id);
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$count = $count->max + 100;
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begin_sql();
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foreach ($courses as $course) {
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set_field('course', 'sortorder', $count, 'id', $course->id);
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$count++;
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}
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commit_sql();
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fix_course_sortorder($category->id);
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}
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}
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}
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/// Print headings
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$numcategories = count_records("course_categories");
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$stradministration = get_string("administration");
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$strcategories = get_string("categories");
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$strcategory = get_string("category");
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$strcourses = get_string("courses");
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if ($creatorediting) {
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if ($adminediting) {
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// modify this to treat this as an admin page
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require_once($CFG->libdir.'/adminlib.php');
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$adminroot = admin_get_root();
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admin_externalpage_setup('coursemgmt', $adminroot);
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admin_externalpage_print_header($adminroot);
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} else {
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print_header("$site->shortname: $category->name", "$site->fullname: $strcourses",
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"<a href=\"index.php\">$strcategories</a> -> $category->name", "", "", true, $navbaritem);
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}
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} else {
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print_header("$site->shortname: $category->name", "$site->fullname: $strcourses",
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"<a href=\"index.php\">$strcategories</a> -> $category->name", "", "", true, $navbaritem);
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}
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/// Print button to turn editing off
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if ($adminediting) {
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echo '<div class="categoryediting button" align="right">'.update_category_button($category->id).'</div>';
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}
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/// Print link to roles
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if (has_capability('moodle/role:assign', $context)) {
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echo '<div class="rolelink" align="right"><a href="'.$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.
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$context->id.'">'.get_string('assignroles','role').'</a></div>';
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}
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/// Print the category selector
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$displaylist = array();
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$parentlist = array();
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make_categories_list($displaylist, $parentlist, "");
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echo '<table align="center"><tr><td align="right">';
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echo "<p>$strcategories:</p>";
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echo "</td><td>";
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popup_form("category.php?id=", $displaylist, "switchcategory", "$category->id", "", "", "", false);
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echo "</td></tr></table><br />";
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/// Editing functions
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if ($adminediting) {
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/// Move a specified course to a new category
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if (!empty($moveto) and $data = data_submitted() and confirm_sesskey()) { // Some courses are being moved
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if (! $destcategory = get_record("course_categories", "id", $data->moveto)) {
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error("Error finding the category");
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}
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$courses = array();
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foreach ( $data as $key => $value ) {
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if (preg_match('/^c\d+$/', $key)) {
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array_push($courses, substr($key, 1));
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}
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}
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move_courses($courses, $data->moveto);
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}
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/// Hide or show a course
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if ((!empty($hide) or !empty($show)) and confirm_sesskey()) {
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if (!empty($hide)) {
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$course = get_record("course", "id", $hide);
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$visible = 0;
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} else {
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$course = get_record("course", "id", $show);
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$visible = 1;
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}
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if ($course) {
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if (! set_field("course", "visible", $visible, "id", $course->id)) {
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notify("Could not update that course!");
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}
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}
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}
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/// Move a course up or down
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if ((!empty($moveup) or !empty($movedown)) and confirm_sesskey()) {
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$movecourse = NULL;
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$swapcourse = NULL;
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// ensure the course order has no gaps
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// and isn't at 0
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fix_course_sortorder($category->id);
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// we are going to need to know the range
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$max = get_record_sql('SELECT MAX(sortorder) AS max, 1
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FROM ' . $CFG->prefix . 'course WHERE category=' . $category->id);
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$max = $max->max + 100;
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if (!empty($moveup)) {
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$movecourse = get_record('course', 'id', $moveup);
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$swapcourse = get_record('course',
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'category', $category->id,
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'sortorder', $movecourse->sortorder - 1);
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} else {
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$movecourse = get_record('course', 'id', $movedown);
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$swapcourse = get_record('course',
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'category', $category->id,
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'sortorder', $movecourse->sortorder + 1);
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}
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if ($swapcourse and $movecourse) { // Renumber everything for robustness
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begin_sql();
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if (!( set_field("course", "sortorder", $max, "id", $swapcourse->id)
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&& set_field("course", "sortorder", $swapcourse->sortorder, "id", $movecourse->id)
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&& set_field("course", "sortorder", $movecourse->sortorder, "id", $swapcourse->id)
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)) {
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notify("Could not update that course!");
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}
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commit_sql();
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}
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}
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} // End of editing stuff
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/// Print out all the sub-categories
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if ($subcategories = get_records("course_categories", "parent", $category->id, "sortorder ASC")) {
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$firstentry = true;
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foreach ($subcategories as $subcategory) {
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if ($subcategory->visible or has_capability('moodle/course:create', $context)) {
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$subcategorieswereshown = true;
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if ($firstentry) {
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echo '<table align="center" border="0" cellspacing="2" cellpadding="4" class="generalbox">';
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echo '<tr><th scope="col">'.get_string('subcategories').'</th></tr>';
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echo '<tr><td nowrap="nowrap">';
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$firstentry = false;
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}
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$catlinkcss = $subcategory->visible ? "" : " class=\"dimmed\" ";
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echo '<a '.$catlinkcss.' href="category.php?id='.$subcategory->id.'">'.
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$subcategory->name.'</a><br />';
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}
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}
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if (!$firstentry) {
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echo "</td></tr></table>";
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echo "<br />";
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}
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}
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/// Print out all the courses
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unset($course); // To avoid unwanted language effects later
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$courses = get_courses_page($category->id, 'c.sortorder ASC',
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'c.id,c.sortorder,c.shortname,c.fullname,c.summary,c.visible,c.teacher,c.guest,c.password',
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$totalcount, $page*$perpage, $perpage);
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$numcourses = count($courses);
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if (!$courses) {
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if (empty($subcategorieswereshown)) {
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print_heading(get_string("nocoursesyet"));
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}
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} else if ($numcourses <= COURSE_MAX_SUMMARIES_PER_PAGE and !$page and !$creatorediting) {
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print_courses($category, "80%");
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} else {
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print_paging_bar($totalcount, $page, $perpage, "category.php?id=$category->id&perpage=$perpage&");
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$strcourses = get_string("courses");
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$strselect = get_string("select");
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$stredit = get_string("edit");
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$strdelete = get_string("delete");
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$strbackup = get_string("backup");
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$strrestore = get_string("restore");
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$strmoveup = get_string("moveup");
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$strmovedown = get_string("movedown");
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$strupdate = get_string("update");
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$strhide = get_string("hide");
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$strshow = get_string("show");
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$strsummary = get_string("summary");
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$strsettings = get_string("settings");
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$strassignteachers = get_string("assignteachers");
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$strallowguests = get_string("allowguests");
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$strrequireskey = get_string("requireskey");
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echo '<form id="movecourses" action="category.php" method="post">';
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echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
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echo '<table align="center" border="0" cellspacing="2" cellpadding="4" class="generalbox"><tr>';
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echo '<th scope="col">'.$strcourses.'</th>';
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if ($creatorediting) {
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echo '<th scope="col">'.$stredit.'</th>';
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if ($adminediting) {
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echo '<th scope="col">'.$strselect.'</th>';
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}
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} else {
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echo '<th scope="col"> </th>';
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}
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echo '</tr>';
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$count = 0;
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$abletomovecourses = false; // for now
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// Checking if we are at the first or at the last page, to allow courses to
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// be moved up and down beyond the paging border
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if ($totalcount > $perpage) {
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$atfirstpage = ($page == 0);
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$atlastpage = (($page + 1) == ceil($totalcount / $perpage));
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} else {
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$atfirstpage = true;
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$atlastpage = true;
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}
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foreach ($courses as $acourse) {
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$coursecontext = get_context_instance(CONTEXT_COURSE, $acourse->id);
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$count++;
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$up = ($count > 1 || !$atfirstpage);
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$down = ($count < $numcourses || !$atlastpage);
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$linkcss = $acourse->visible ? "" : ' class="dimmed" ';
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echo '<tr>';
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echo '<td><a '.$linkcss.' href="view.php?id='.$acourse->id.'">'.$acourse->fullname.'</a></td>';
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if ($creatorediting) {
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echo "<td>";
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if (has_capability('moodle/course:update', $coursecontext)) {
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echo '<a title="'.$strsettings.'" href="'.$CFG->wwwroot.'/course/edit.php?id='.
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$acourse->id.'">'.
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'<img src="'.$CFG->pixpath.'/t/edit.gif" height="11" width="11" border="0" alt="'.$stredit.'" /></a> '; }
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// role assignment link
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if (has_capability('moodle/role:assign', $coursecontext)) {
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echo'<a title="'.get_string('assignroles', 'role').'" href="'.$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.$coursecontext->id.'"><img src="'.$CFG->pixpath.'/i/roles.gif" height="11" width="11" alt="'.get_string('assignroles', 'role').'" /></a>';
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}
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if (has_capability('moodle/course:delete', $coursecontext)) {
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echo '<a title="'.$strdelete.'" href="delete.php?id='.$acourse->id.'">'.
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'<img src="'.$CFG->pixpath.'/t/delete.gif" height="11" width="11" border="0" alt="'.$strdelete.'" /></a> ';
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}
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if (has_capability('moodle/course:visibility', $coursecontext)) {
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if (!empty($acourse->visible)) {
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echo '<a title="'.$strhide.'" href="category.php?id='.$category->id.'&page='.$page.
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'&perpage='.$perpage.'&hide='.$acourse->id.'&sesskey='.$USER->sesskey.'">'.
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'<img src="'.$CFG->pixpath.'/t/hide.gif" height="11" width="11" border="0" alt="'.$strhide.'" /></a> ';
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} else {
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echo '<a title="'.$strshow.'" href="category.php?id='.$category->id.'&page='.$page.
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'&perpage='.$perpage.'&show='.$acourse->id.'&sesskey='.$USER->sesskey.'">'.
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'<img src="'.$CFG->pixpath.'/t/show.gif" height="11" width="11" border="0" alt="'.$strshow.'" /></a> ';
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}
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}
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if (has_capability('moodle/site:backup', $coursecontext)) {
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echo '<a title="'.$strbackup.'" href="../backup/backup.php?id='.$acourse->id.'">'.
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'<img src="'.$CFG->pixpath.'/t/backup.gif" height="11" width="11" border="0" alt="'.$strbackup.'" /></a> ';
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}
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if (has_capability('moodle/site:restore', $coursecontext)) {
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echo '<a title="'.$strrestore.'" href="../files/index.php?id='.$acourse->id.
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'&wdir=/backupdata">'.
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'<img src="'.$CFG->pixpath.'/t/restore.gif" height="11" width="11" border="0" alt="'.$strrestore.'" /></a> ';
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}
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if (has_capability('moodle/category:update', $context)) {
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if ($up) {
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echo '<a title="'.$strmoveup.'" href="category.php?id='.$category->id.'&page='.$page.
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'&perpage='.$perpage.'&moveup='.$acourse->id.'&sesskey='.$USER->sesskey.'">'.
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'<img src="'.$CFG->pixpath.'/t/up.gif" height="11" width="11" border="0" alt="'.$strmoveup.'" /></a> ';
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} else {
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echo '<img src="'.$CFG->wwwroot.'/pix/spacer.gif" height="11" width="11" border="0" alt="" /> ';
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}
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if ($down) {
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echo '<a title="'.$strmovedown.'" href="category.php?id='.$category->id.'&page='.$page.
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'&perpage='.$perpage.'&movedown='.$acourse->id.'&sesskey='.$USER->sesskey.'">'.
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'<img src="'.$CFG->pixpath.'/t/down.gif" height="11" width="11" border="0" alt="'.$strmovedown.'" /></a> ';
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} else {
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echo '<img src="'.$CFG->wwwroot.'/pix/spacer.gif" height="11" width="11" border="0" alt="" /> ';
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}
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$abletomovecourses = true;
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}
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echo '</td>';
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echo '<td align="center">';
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echo '<input type="checkbox" name="c'.$acourse->id.'" />';
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echo '</td>';
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} else {
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echo '<td align="right">';
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if (!empty($acourse->guest)) {
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echo '<a href="view.php?id='.$acourse->id.'"><img hspace="2" title="'.
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$strallowguests.'" alt="" height="16" width="16" border="0" src="'.
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$CFG->pixpath.'/i/user.gif" alt="'.$strallowguests.'" /></a>';
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}
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if (!empty($acourse->password)) {
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echo '<a href="view.php?id='.$acourse->id.'"><img hspace="2" title="'.
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$strrequireskey.'" alt="" height="16" width="16" border="0" src="'.
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$CFG->pixpath.'/i/key.gif" alt="'.$strrequireskey.'" /></a>';
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}
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if (!empty($acourse->summary)) {
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link_to_popup_window ("/course/info.php?id=$acourse->id", "courseinfo",
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'<img hspace="2" alt="'.get_string('info').'" height="16" width="16" border="0" src="'.$CFG->pixpath.'/i/info.gif" />',
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400, 500, $strsummary);
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}
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echo "</td>";
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}
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echo "</tr>";
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}
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if ($abletomovecourses) {
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echo '<tr><td colspan="3" align="right">';
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echo '<br />';
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unset($displaylist[$category->id]);
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choose_from_menu ($displaylist, "moveto", "", get_string("moveselectedcoursesto"), "javascript: getElementById('movecourses').submit()");
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echo '<input type="hidden" name="id" value="'.$category->id.'" />';
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echo '</td></tr>';
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}
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echo '</table>';
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echo '</form>';
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echo '<br />';
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}
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echo '<center>';
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if (has_capability('moodle/category:update', get_context_instance(CONTEXT_SYSTEM, SITEID)) and $numcourses > 1) { /// Print button to re-sort courses by name
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unset($options);
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$options['id'] = $category->id;
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$options['resort'] = 'name';
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$options['sesskey'] = $USER->sesskey;
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print_single_button('category.php', $options, get_string('resortcoursesbyname'), 'get');
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}
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if (has_capability('moodle/course:create', $context)) { /// Print button to create a new course
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unset($options);
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$options['category'] = $category->id;
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print_single_button('edit.php', $options, get_string('addnewcourse'), 'get');
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echo '<br />';
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}
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if (has_capability('moodle/category:update', $context)) { /// Print form to rename the category
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$strrename= get_string('rename');
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echo '<form id="renameform" action="category.php" method="post">';
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echo '<input type="hidden" name="id" value="'.$category->id.'" />';
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echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
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echo '<input type="text" size="30" name="rename" value="'.s($category->name).'" alt="'.$strrename.'" />';
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echo '<input type="submit" value="'.$strrename.'" />';
|
|
echo "</form>";
|
|
echo "<br />";
|
|
}
|
|
|
|
print_course_search();
|
|
|
|
echo "</center>";
|
|
|
|
if ($adminediting) {
|
|
admin_externalpage_print_footer($adminroot);
|
|
} else {
|
|
print_footer();
|
|
}
|
|
|
|
?>
|