. /** * Displays the top level category or all courses * In editing mode, allows the admin to edit a category, * and rearrange courses * * @package core * @subpackage course * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ require_once("../config.php"); require_once($CFG->dirroot.'/course/lib.php'); require_once($CFG->libdir.'/textlib.class.php'); $id = required_param('id', PARAM_INT); // Category id $page = optional_param('page', 0, PARAM_INT); // which page to show $categoryedit = optional_param('categoryedit', -1, PARAM_BOOL); $hide = optional_param('hide', 0, PARAM_INT); $show = optional_param('show', 0, PARAM_INT); $moveup = optional_param('moveup', 0, PARAM_INT); $movedown = optional_param('movedown', 0, PARAM_INT); $moveto = optional_param('moveto', 0, PARAM_INT); $resort = optional_param('resort', 0, PARAM_BOOL); $sesskey = optional_param('sesskey', '', PARAM_RAW); // MDL-27824 - This is a temporary fix until we have the proper // way to check/initialize $CFG value. // @todo MDL-35138 remove this temporary solution if (!empty($CFG->coursesperpage)) { $defaultperpage = $CFG->coursesperpage; } else { $defaultperpage = 20; } $perpage = optional_param('perpage', $defaultperpage, PARAM_INT); // how many per page if (empty($id)) { print_error("unknowcategory"); } $PAGE->set_category_by_id($id); $PAGE->set_url(new moodle_url('/course/category.php', array('id' => $id))); // This is sure to be the category context $context = $PAGE->context; // And the object has been loaded for us no need for another DB call $category = $PAGE->category; $canedit = can_edit_in_category($category->id); if ($canedit) { if ($categoryedit !== -1) { $USER->editing = $categoryedit; } require_login(); $editingon = $PAGE->user_is_editing(); } else { if ($CFG->forcelogin) { require_login(); } $editingon = false; } if (!$category->visible) { require_capability('moodle/category:viewhiddencategories', $context); } $canmanage = has_capability('moodle/category:manage', $context); $sesskeyprovided = !empty($sesskey) && confirm_sesskey($sesskey); // Process any category actions. if ($canmanage && $resort && $sesskeyprovided) { // Resort the category if requested if ($courses = get_courses($category->id, '', 'c.id,c.fullname,c.sortorder')) { collatorlib::asort_objects_by_property($courses, 'fullname'); $i = 1; foreach ($courses as $course) { $DB->set_field('course', 'sortorder', $category->sortorder+$i, array('id'=>$course->id)); $i++; } fix_course_sortorder(); // should not be needed } } // Process any course actions. if ($editingon && $sesskeyprovided) { // Move a specified course to a new category if (!empty($moveto) and $data = data_submitted()) { // Some courses are being moved // user must have category update in both cats to perform this require_capability('moodle/category:manage', $context); require_capability('moodle/category:manage', get_context_instance(CONTEXT_COURSECAT, $moveto)); if (!$destcategory = $DB->get_record('course_categories', array('id' => $data->moveto))) { print_error('cannotfindcategory', '', '', $data->moveto); } $courses = array(); foreach ($data as $key => $value) { if (preg_match('/^c\d+$/', $key)) { $courseid = substr($key, 1); array_push($courses, $courseid); // check this course's category if ($movingcourse = $DB->get_record('course', array('id'=>$courseid))) { if ($movingcourse->category != $id ) { print_error('coursedoesnotbelongtocategory'); } } else { print_error('cannotfindcourse'); } } } move_courses($courses, $data->moveto); } // Hide or show a course if (!empty($hide) or !empty($show)) { if (!empty($hide)) { $course = $DB->get_record('course', array('id' => $hide)); $visible = 0; } else { $course = $DB->get_record('course', array('id' => $show)); $visible = 1; } if ($course) { $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id); require_capability('moodle/course:visibility', $coursecontext); // Set the visibility of the course. we set the old flag when user manually changes visibility of course. $DB->update_record('course', array('id' => $course->id, 'visible' => $visible, 'visibleold' => $visible, 'timemodified' => time())); } } // Move a course up or down if (!empty($moveup) or !empty($movedown)) { require_capability('moodle/category:manage', $context); // Ensure the course order has continuous ordering fix_course_sortorder(); $swapcourse = NULL; if (!empty($moveup)) { if ($movecourse = $DB->get_record('course', array('id' => $moveup))) { $swapcourse = $DB->get_record('course', array('sortorder' => $movecourse->sortorder - 1)); } } else { if ($movecourse = $DB->get_record('course', array('id' => $movedown))) { $swapcourse = $DB->get_record('course', array('sortorder' => $movecourse->sortorder + 1)); } } if ($swapcourse and $movecourse) { // check course's category if ($movecourse->category != $id) { print_error('coursedoesnotbelongtocategory'); } $DB->set_field('course', 'sortorder', $swapcourse->sortorder, array('id' => $movecourse->id)); $DB->set_field('course', 'sortorder', $movecourse->sortorder, array('id' => $swapcourse->id)); } } } // End of editing stuff // Prepare the standard URL params for this page. We'll need them later. $urlparams = array('id' => $id); if ($page) { $urlparams['page'] = $page; } if ($perpage) { $urlparams['perpage'] = $perpage; } // Begin output if ($editingon && can_edit_in_category()) { // Integrate into the admin tree only if the user can edit categories at the top level, // otherwise the admin block does not appear to this user, and you get an error. require_once($CFG->libdir . '/adminlib.php'); admin_externalpage_setup('coursemgmt', '', $urlparams, $CFG->wwwroot . '/course/category.php'); $PAGE->set_context($context); // Ensure that we are actually showing blocks etc for the cat context $settingsnode = $PAGE->settingsnav->find_active_node(); if ($settingsnode) { $settingsnode->make_inactive(); $settingsnode->force_open(); $PAGE->navbar->add($settingsnode->text, $settingsnode->action); } echo $OUTPUT->header(); } else { $site = get_site(); $PAGE->set_title("$site->shortname: $category->name"); $PAGE->set_heading($site->fullname); $PAGE->set_button(print_course_search('', true, 'navbar')); $PAGE->set_pagelayout('coursecategory'); echo $OUTPUT->header(); } /// Print the category selector $displaylist = array(); $notused = array(); make_categories_list($displaylist, $notused); echo '
'; $select = new single_select(new moodle_url('/course/category.php'), 'id', $displaylist, $category->id, null, 'switchcategory'); $select->set_label(get_string('categories').':'); echo $OUTPUT->render($select); echo '
'; /// Print current category description if (!$editingon && $category->description) { echo $OUTPUT->box_start(); $options = new stdClass; $options->noclean = true; $options->para = false; $options->overflowdiv = true; if (!isset($category->descriptionformat)) { $category->descriptionformat = FORMAT_MOODLE; } $text = file_rewrite_pluginfile_urls($category->description, 'pluginfile.php', $context->id, 'coursecat', 'description', null); echo format_text($text, $category->descriptionformat, $options); echo $OUTPUT->box_end(); } if ($editingon && $canmanage) { echo $OUTPUT->container_start('buttons'); // Print button to update this category $url = new moodle_url('/course/editcategory.php', array('id' => $category->id)); echo $OUTPUT->single_button($url, get_string('editcategorythis'), 'get'); // Print button for creating new categories $url = new moodle_url('/course/editcategory.php', array('parent' => $category->id)); echo $OUTPUT->single_button($url, get_string('addsubcategory'), 'get'); echo $OUTPUT->container_end(); } // Print out all the sub-categories // In order to view hidden subcategories the user must have the viewhiddencategories // capability in the current category. if (has_capability('moodle/category:viewhiddencategories', $context)) { $categorywhere = ''; } else { $categorywhere = 'AND cc.visible = 1'; } // We're going to preload the context for the subcategory as we know that we // need it later on for formatting. list($ctxselect, $ctxjoin) = context_instance_preload_sql('cc.id', CONTEXT_COURSECAT, 'ctx'); $sql = "SELECT cc.* $ctxselect FROM {course_categories} cc $ctxjoin WHERE cc.parent = :parentid $categorywhere ORDER BY cc.sortorder ASC"; $subcategories = $DB->get_recordset_sql($sql, array('parentid' => $category->id)); // Prepare a table to display the sub categories. $table = new html_table; $table->attributes = array('border' => '0', 'cellspacing' => '2', 'cellpadding' => '4', 'class' => 'generalbox boxaligncenter category_subcategories'); $table->head = array(get_string('subcategories')); $table->data = array(); $baseurl = new moodle_url('/course/category.php'); foreach ($subcategories as $subcategory) { // Preload the context we will need it to format the category name shortly. context_instance_preload($subcategory); $context = get_context_instance(CONTEXT_COURSECAT, $subcategory->id); // Prepare the things we need to create a link to the subcategory $attributes = $subcategory->visible ? array() : array('class' => 'dimmed'); $text = format_string($subcategory->name, true, array('context' => $context)); // Add the subcategory to the table $baseurl->param('id', $subcategory->id); $table->data[] = array(html_writer::link($baseurl, $text, $attributes)); } $subcategorieswereshown = (count($table->data) > 0); if ($subcategorieswereshown) { echo html_writer::table($table); } // Print out all the courses $courses = get_courses_page($category->id, 'c.sortorder ASC', 'c.id,c.sortorder,c.shortname,c.fullname,c.summary,c.visible', $totalcount, $page*$perpage, $perpage); $numcourses = count($courses); if (!$courses) { if (empty($subcategorieswereshown)) { echo $OUTPUT->heading(get_string("nocoursesyet")); } } else if ($numcourses <= COURSE_MAX_SUMMARIES_PER_PAGE and !$page and !$editingon) { echo $OUTPUT->box_start('courseboxes'); print_courses($category); echo $OUTPUT->box_end(); } else { echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "/course/category.php?id=$category->id&perpage=$perpage"); echo '
'; echo ''; echo ''; echo ''; if ($editingon) { echo ''; echo ''; } else { echo ''; } echo ''; $count = 0; $abletomovecourses = false; // for now // Checking if we are at the first or at the last page, to allow courses to // be moved up and down beyond the paging border if ($totalcount > $perpage) { $atfirstpage = ($page == 0); if ($perpage > 0) { $atlastpage = (($page + 1) == ceil($totalcount / $perpage)); } else { $atlastpage = true; } } else { $atfirstpage = true; $atlastpage = true; } $baseurl = new moodle_url('/course/category.php', $urlparams + array('sesskey' => sesskey())); foreach ($courses as $acourse) { $coursecontext = get_context_instance(CONTEXT_COURSE, $acourse->id); $count++; $up = ($count > 1 || !$atfirstpage); $down = ($count < $numcourses || !$atlastpage); $linkcss = $acourse->visible ? '' : ' class="dimmed" '; echo ''; $coursename = get_course_display_name_for_list($acourse); echo ''; if ($editingon) { echo ''; echo ''; } else { echo '"; } echo ""; } if ($abletomovecourses) { $movetocategories = array(); $notused = array(); make_categories_list($movetocategories, $notused, 'moodle/category:manage'); $movetocategories[$category->id] = get_string('moveselectedcoursesto'); echo ''; } echo '
'.get_string('courses').''.get_string('edit').''.get_string('select').' 
'. format_string($coursename) .''; if (has_capability('moodle/course:update', $coursecontext)) { $url = new moodle_url('/course/edit.php', array('id' => $acourse->id, 'category' => $id, 'returnto' => 'category')); echo $OUTPUT->action_icon($url, new pix_icon('t/edit', get_string('settings'))); } // role assignment link if (has_capability('moodle/course:enrolreview', $coursecontext)) { $url = new moodle_url('/enrol/users.php', array('id' => $acourse->id)); echo $OUTPUT->action_icon($url, new pix_icon('i/users', get_string('enrolledusers', 'enrol'))); } if (can_delete_course($acourse->id)) { $url = new moodle_url('/course/delete.php', array('id' => $acourse->id)); echo $OUTPUT->action_icon($url, new pix_icon('t/delete', get_string('delete'))); } // MDL-8885, users with no capability to view hidden courses, should not be able to lock themselves out if (has_capability('moodle/course:visibility', $coursecontext) && has_capability('moodle/course:viewhiddencourses', $coursecontext)) { if (!empty($acourse->visible)) { $url = new moodle_url($baseurl, array('hide' => $acourse->id)); echo $OUTPUT->action_icon($url, new pix_icon('t/hide', get_string('hide'))); } else { $url = new moodle_url($baseurl, array('show' => $acourse->id)); echo $OUTPUT->action_icon($url, new pix_icon('t/show', get_string('show'))); } } if (has_capability('moodle/backup:backupcourse', $coursecontext)) { $url = new moodle_url('/backup/backup.php', array('id' => $acourse->id)); echo $OUTPUT->action_icon($url, new pix_icon('t/backup', get_string('backup'))); } if (has_capability('moodle/restore:restorecourse', $coursecontext)) { $url = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id)); echo $OUTPUT->action_icon($url, new pix_icon('t/restore', get_string('restore'))); } if ($canmanage) { if ($up) { $url = new moodle_url($baseurl, array('moveup' => $acourse->id)); echo $OUTPUT->action_icon($url, new pix_icon('t/up', get_string('moveup'))); } if ($down) { $url = new moodle_url($baseurl, array('movedown' => $acourse->id)); echo $OUTPUT->action_icon($url, new pix_icon('t/down', get_string('movedown'))); } $abletomovecourses = true; } echo ''; echo ''; echo ''; // print enrol info if ($icons = enrol_get_course_info_icons($acourse)) { foreach ($icons as $pix_icon) { echo $OUTPUT->render($pix_icon); } } if (!empty($acourse->summary)) { $url = new moodle_url("/course/info.php?id=$acourse->id"); echo $OUTPUT->action_link($url, ''.get_string('info').'', new popup_action('click', $url, 'courseinfo'), array('title'=>get_string('summary'))); } echo "
'; echo html_writer::label(get_string('moveselectedcoursesto'), 'movetoid', false, array('class' => 'accesshide')); echo html_writer::select($movetocategories, 'moveto', $category->id, null, array('id'=>'movetoid')); $PAGE->requires->js_init_call('M.util.init_select_autosubmit', array('movecourses', 'movetoid', false)); echo ''; echo '
'; echo '
'; echo '
'; } echo '
'; if ($canmanage and $numcourses > 1) { // Print button to re-sort courses by name $url = new moodle_url('/course/category.php', array('id' => $category->id, 'resort' => 'name', 'sesskey' => sesskey())); echo $OUTPUT->single_button($url, get_string('resortcoursesbyname'), 'get'); } if (has_capability('moodle/course:create', $context)) { // Print button to create a new course $url = new moodle_url('/course/edit.php', array('category' => $category->id, 'returnto' => 'category')); echo $OUTPUT->single_button($url, get_string('addnewcourse'), 'get'); } if (!empty($CFG->enablecourserequests) && $category->id == $CFG->defaultrequestcategory) { print_course_request_buttons(get_context_instance(CONTEXT_SYSTEM)); } echo '
'; print_course_search(); echo $OUTPUT->footer();