course/manage.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Allows the admin to create, delete and rename course categories rearrange courses
  19  *
  20  * @package   core
  21  * @copyright 2013 Marina Glancy
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once("../config.php");
  26 require_once($CFG->dirroot.'/course/lib.php');
  27 require_once($CFG->libdir.'/coursecatlib.php');
  28
  29 // Category id.
  30 $id = optional_param('categoryid', 0, PARAM_INT);
  31 // Which page to show.
  32 $page = optional_param('page', 0, PARAM_INT);
  33 // How many per page.
  34 $perpage = optional_param('perpage', $CFG->coursesperpage, PARAM_INT);
  35
  36 $search    = optional_param('search', '', PARAM_RAW);  // search words
  37 $blocklist = optional_param('blocklist', 0, PARAM_INT);
  38 $modulelist= optional_param('modulelist', '', PARAM_PLUGIN);
  39 if (!$id && !empty($search)) {
  40     $searchcriteria = array('search' => $search);
  41 } else if (!$id && !empty($blocklist)) {
  42     $searchcriteria = array('blocklist' => $blocklist);
  43 } else if (!$id && !empty($modulelist)) {
  44     $searchcriteria = array('modulelist' => $modulelist);
  45 } else {
  46     $searchcriteria = array();
  47 }
  48
  49 // Actions to manage courses.
  50 $hide = optional_param('hide', 0, PARAM_INT);
  51 $show = optional_param('show', 0, PARAM_INT);
  52 $moveup = optional_param('moveup', 0, PARAM_INT);
  53 $movedown = optional_param('movedown', 0, PARAM_INT);
  54 $moveto = optional_param('moveto', 0, PARAM_INT);
  55 $resort = optional_param('resort', 0, PARAM_BOOL);
  56
  57 // Actions to manage categories.
  58 $deletecat = optional_param('deletecat', 0, PARAM_INT);
  59 $hidecat = optional_param('hidecat', 0, PARAM_INT);
  60 $showcat = optional_param('showcat', 0, PARAM_INT);
  61 $movecat = optional_param('movecat', 0, PARAM_INT);
  62 $movetocat = optional_param('movetocat', -1, PARAM_INT);
  63 $moveupcat = optional_param('moveupcat', 0, PARAM_INT);
  64 $movedowncat = optional_param('movedowncat', 0, PARAM_INT);
  65
  66 require_login();
  67
  68 // Retrieve coursecat object
  69 // This will also make sure that category is accessible and create default category if missing
  70 $coursecat = coursecat::get($id);
  71
  72 if ($id) {
  73     $PAGE->set_category_by_id($id);
  74     $PAGE->set_url(new moodle_url('/course/manage.php', array('categoryid' => $id)));
  75     // This is sure to be the category context.
  76     $context = $PAGE->context;
  77     if (!can_edit_in_category($coursecat->id)) {
  78         redirect(new moodle_url('/course/index.php', array('categoryid' => $coursecat->id)));
  79     }
  80 } else {
  81     $context = context_system::instance();
  82     $PAGE->set_context($context);
  83     $PAGE->set_url(new moodle_url('/course/manage.php'));
  84     if (!can_edit_in_category()) {
  85         redirect(new moodle_url('/course/index.php'));
  86     }
  87 }
  88
  89 $canmanage = has_capability('moodle/category:manage', $context);
  90
  91 // Process any category actions.
  92 if (!empty($deletecat) and confirm_sesskey()) {
  93     // Delete a category.
  94     $cattodelete = coursecat::get($deletecat);
  95     $context = context_coursecat::instance($deletecat);
  96     require_capability('moodle/category:manage', $context);
  97     require_capability('moodle/category:manage', get_category_or_system_context($cattodelete->parent));
  98
  99     $heading = get_string('deletecategory', 'moodle', format_string($cattodelete->name, true, array('context' => $context)));
 100
 101     require_once($CFG->dirroot.'/course/delete_category_form.php');
 102     $mform = new delete_category_form(null, $cattodelete);
 103     if ($mform->is_cancelled()) {
 104         redirect(new moodle_url('/course/manage.php'));
 105     }
 106
 107     // Start output.
 108     echo $OUTPUT->header();
 109     echo $OUTPUT->heading($heading);
 110
 111     if ($data = $mform->get_data()) {
 112         // The form has been submit handle it.
 113         if ($data->fulldelete == 1 && $cattodelete->can_delete_full()) {
 114             $cattodeletename = $cattodelete->get_formatted_name();
 115             $deletedcourses = $cattodelete->delete_full(true);
 116             foreach ($deletedcourses as $course) {
 117                 echo $OUTPUT->notification(get_string('coursedeleted', '', $course->shortname), 'notifysuccess');
 118             }
 119             echo $OUTPUT->notification(get_string('coursecategorydeleted', '', $cattodeletename), 'notifysuccess');
 120             echo $OUTPUT->continue_button(new moodle_url('/course/manage.php'));
 121
 122         } else if ($data->fulldelete == 0 && $cattodelete->can_move_content_to($data->newparent)) {
 123             $cattodelete->delete_move($data->newparent, true);
 124             echo $OUTPUT->continue_button(new moodle_url('/course/manage.php'));
 125         } else {
 126             // Some error in parameters (user is cheating?)
 127             $mform->display();
 128         }
 129     } else {
 130         // Display the form.
 131         $mform->display();
 132     }
 133     // Finish output and exit.
 134     echo $OUTPUT->footer();
 135     exit();
 136 }
 137
 138 if (!empty($movecat) and ($movetocat >= 0) and confirm_sesskey()) {
 139     // Move a category to a new parent if required.
 140     $cattomove = coursecat::get($movecat);
 141     if ($cattomove->parent != $movetocat) {
 142         if ($cattomove->can_change_parent($movetocat)) {
 143             $cattomove->change_parent($movetocat);
 144         } else {
 145             print_error('cannotmovecategory');
 146         }
 147     }
 148 }
 149
 150 // Hide or show a category.
 151 if ($hidecat and confirm_sesskey()) {
 152     $cattohide = coursecat::get($hidecat);
 153     require_capability('moodle/category:manage', get_category_or_system_context($cattohide->parent));
 154     $cattohide->hide();
 155 } else if ($showcat and confirm_sesskey()) {
 156     $cattoshow = coursecat::get($showcat);
 157     require_capability('moodle/category:manage', get_category_or_system_context($cattoshow->parent));
 158     $cattoshow->show();
 159 }
 160
 161 if ((!empty($moveupcat) or !empty($movedowncat)) and confirm_sesskey()) {
 162     // Move a category up or down.
 163     fix_course_sortorder();
 164     $swapcategory = null;
 165
 166     if (!empty($moveupcat)) {
 167         require_capability('moodle/category:manage', context_coursecat::instance($moveupcat));
 168         if ($movecategory = $DB->get_record('course_categories', array('id' => $moveupcat))) {
 169             $params = array($movecategory->sortorder, $movecategory->parent);
 170             if ($swapcategory = $DB->get_records_select('course_categories', "sortorder<? AND parent=?", $params, 'sortorder DESC', '*', 0, 1)) {
 171                 $swapcategory = reset($swapcategory);
 172             }
 173         }
 174     } else {
 175         require_capability('moodle/category:manage', context_coursecat::instance($movedowncat));
 176         if ($movecategory = $DB->get_record('course_categories', array('id' => $movedowncat))) {
 177             $params = array($movecategory->sortorder, $movecategory->parent);
 178             if ($swapcategory = $DB->get_records_select('course_categories', "sortorder>? AND parent=?", $params, 'sortorder ASC', '*', 0, 1)) {
 179                 $swapcategory = reset($swapcategory);
 180             }
 181         }
 182     }
 183     if ($swapcategory and $movecategory) {
 184         $DB->set_field('course_categories', 'sortorder', $swapcategory->sortorder, array('id' => $movecategory->id));
 185         $DB->set_field('course_categories', 'sortorder', $movecategory->sortorder, array('id' => $swapcategory->id));
 186         cache_helper::purge_by_event('changesincoursecat');
 187         add_to_log(SITEID, "category", "move", "editcategory.php?id=$movecategory->id", $movecategory->id);
 188     }
 189
 190     // Finally reorder courses.
 191     fix_course_sortorder();
 192 }
 193
 194 if ($coursecat->id && $canmanage && $resort && confirm_sesskey()) {
 195     // Resort the category.
 196     if ($courses = get_courses($coursecat->id, '', 'c.id,c.fullname,c.sortorder')) {
 197         core_collator::asort_objects_by_property($courses, 'fullname', core_collator::SORT_NATURAL);
 198         $i = 1;
 199         foreach ($courses as $course) {
 200             $DB->set_field('course', 'sortorder', $coursecat->sortorder + $i, array('id' => $course->id));
 201             $i++;
 202         }
 203         // This should not be needed but we do it just to be safe.
 204         fix_course_sortorder();
 205         cache_helper::purge_by_event('changesincourse');
 206     }
 207 }
 208
 209 if (!empty($moveto) && ($data = data_submitted()) && confirm_sesskey()) {
 210     // Move a specified course to a new category.
 211     // User must have category update in both cats to perform this.
 212     require_capability('moodle/category:manage', $context);
 213     require_capability('moodle/category:manage', context_coursecat::instance($moveto));
 214
 215     if (!$destcategory = $DB->get_record('course_categories', array('id' => $data->moveto))) {
 216         print_error('cannotfindcategory', '', '', $data->moveto);
 217     }
 218
 219     $courses = array();
 220     foreach ($data as $key => $value) {
 221         if (preg_match('/^c\d+$/', $key)) {
 222             $courseid = substr($key, 1);
 223             array_push($courses, $courseid);
 224             // Check this course's category.
 225             if ($movingcourse = $DB->get_record('course', array('id' => $courseid))) {
 226                 if ($id && $movingcourse->category != $id ) {
 227                     print_error('coursedoesnotbelongtocategory');
 228                 }
 229             } else {
 230                 print_error('cannotfindcourse');
 231             }
 232         }
 233     }
 234     move_courses($courses, $data->moveto);
 235 }
 236
 237 if ((!empty($hide) or !empty($show)) && confirm_sesskey()) {
 238     // Hide or show a course.
 239     if (!empty($hide)) {
 240         $course = $DB->get_record('course', array('id' => $hide), '*', MUST_EXIST);
 241         $visible = 0;
 242     } else {
 243         $course = $DB->get_record('course', array('id' => $show), '*', MUST_EXIST);
 244         $visible = 1;
 245     }
 246     $coursecontext = context_course::instance($course->id);
 247     require_capability('moodle/course:visibility', $coursecontext);
 248     // Set the visibility of the course. we set the old flag when user manually changes visibility of course.
 249     $params = array('id' => $course->id, 'visible' => $visible, 'visibleold' => $visible, 'timemodified' => time());
 250     $DB->update_record('course', $params);
 251     cache_helper::purge_by_event('changesincourse');
 252     add_to_log($course->id, "course", ($visible ? 'show' : 'hide'), "edit.php?id=$course->id", $course->id);
 253 }
 254
 255 if ((!empty($moveup) or !empty($movedown)) && confirm_sesskey()) {
 256     // Move a course up or down.
 257     require_capability('moodle/category:manage', $context);
 258
 259     // Ensure the course order has continuous ordering.
 260     fix_course_sortorder();
 261     $swapcourse = null;
 262
 263     if (!empty($moveup)) {
 264         if ($movecourse = $DB->get_record('course', array('id' => $moveup))) {
 265             $swapcourse = $DB->get_record('course', array('sortorder' => $movecourse->sortorder - 1));
 266         }
 267     } else {
 268         if ($movecourse = $DB->get_record('course', array('id' => $movedown))) {
 269             $swapcourse = $DB->get_record('course', array('sortorder' => $movecourse->sortorder + 1));
 270         }
 271     }
 272     if ($swapcourse and $movecourse) {
 273         // Check course's category.
 274         if ($movecourse->category != $id) {
 275             print_error('coursedoesnotbelongtocategory');
 276         }
 277         $DB->set_field('course', 'sortorder', $swapcourse->sortorder, array('id' => $movecourse->id));
 278         $DB->set_field('course', 'sortorder', $movecourse->sortorder, array('id' => $swapcourse->id));
 279         cache_helper::purge_by_event('changesincourse');
 280
 281         // Update $movecourse's sortorder.
 282         $movecourse->sortorder = $swapcourse->sortorder;
 283
 284         // Trigger a course updated event.
 285         $event = \core\event\course_updated::create(array(
 286             'objectid' => $movecourse->id,
 287             'context' => context_course::instance($movecourse->id),
 288             'other' => array('shortname' => $movecourse->shortname,
 289                              'fullname' => $movecourse->fullname)
 290         ));
 291         $event->add_record_snapshot('course', $movecourse);
 292         $event->set_legacy_logdata(array($movecourse->id, 'course', 'move', 'edit.php?id=' . $movecourse->id, $movecourse->id));
 293         $event->trigger();
 294     }
 295 }
 296
 297 // Prepare the standard URL params for this page. We'll need them later.
 298 $urlparams = array('categoryid' => $id);
 299 if ($page) {
 300     $urlparams['page'] = $page;
 301 }
 302 if ($perpage) {
 303     $urlparams['perpage'] = $perpage;
 304 }
 305 $urlparams += $searchcriteria;
 306
 307 $PAGE->set_pagelayout('coursecategory');
 308 $courserenderer = $PAGE->get_renderer('core', 'course');
 309
 310 if (can_edit_in_category()) {
 311     // Integrate into the admin tree only if the user can edit categories at the top level,
 312     // otherwise the admin block does not appear to this user, and you get an error.
 313     require_once($CFG->libdir . '/adminlib.php');
 314     if ($id) {
 315         navigation_node::override_active_url(new moodle_url('/course/index.php', array('categoryid' => $id)));
 316     }
 317     admin_externalpage_setup('coursemgmt', '', $urlparams, $CFG->wwwroot . '/course/manage.php');
 318     $settingsnode = $PAGE->settingsnav->find_active_node();
 319     if ($id && $settingsnode) {
 320         $settingsnode->make_inactive();
 321         $settingsnode->force_open();
 322         $PAGE->navbar->add($settingsnode->text, $settingsnode->action);
 323     }
 324 } else {
 325     $site = get_site();
 326     $PAGE->set_title("$site->shortname: $coursecat->name");
 327     $PAGE->set_heading($site->fullname);
 328     $PAGE->set_button($courserenderer->course_search_form('', 'navbar'));
 329 }
 330
 331 // Start output.
 332 echo $OUTPUT->header();
 333
 334 if (!empty($searchcriteria)) {
 335     echo $OUTPUT->heading(new lang_string('searchresults'));
 336 } else if (!$coursecat->id) {
 337     // Print out the categories with all the knobs.
 338     $table = new html_table;
 339     $table->id = 'coursecategories';
 340     $table->attributes['class'] = 'admintable generaltable editcourse';
 341     $table->head = array(
 342         get_string('categories'),
 343         get_string('courses'),
 344         get_string('edit'),
 345         get_string('movecategoryto'),
 346     );
 347     $table->colclasses = array(
 348         'leftalign name',
 349         'centeralign count',
 350         'centeralign icons',
 351         'leftalign actions'
 352     );
 353     $table->data = array();
 354
 355     print_category_edit($table, $coursecat);
 356
 357     echo html_writer::table($table);
 358 } else {
 359     // Print the category selector.
 360     $displaylist = coursecat::make_categories_list();
 361     $select = new single_select(new moodle_url('/course/manage.php'), 'categoryid', $displaylist, $coursecat->id, null, 'switchcategory');
 362     $select->set_label(get_string('categories').':');
 363
 364     echo html_writer::start_tag('div', array('class' => 'categorypicker'));
 365     echo $OUTPUT->render($select);
 366     echo html_writer::end_tag('div');
 367 }
 368
 369 if ($canmanage && empty($searchcriteria)) {
 370     echo $OUTPUT->container_start('buttons');
 371     // Print button to update this category.
 372     if ($id) {
 373         $url = new moodle_url('/course/editcategory.php', array('id' => $id));
 374         echo $OUTPUT->single_button($url, get_string('editcategorythis'), 'get');
 375     }
 376
 377     // Print button for creating new categories.
 378     $url = new moodle_url('/course/editcategory.php', array('parent' => $id));
 379     if ($id) {
 380         $title = get_string('addsubcategory');
 381     } else {
 382         $title = get_string('addnewcategory');
 383     }
 384     echo $OUTPUT->single_button($url, $title, 'get');
 385     echo $OUTPUT->container_end();
 386 }
 387
 388 if (!empty($searchcriteria)) {
 389     $courses = coursecat::get(0)->search_courses($searchcriteria, array('recursive' => true,
 390         'offset' => $page * $perpage, 'limit' => $perpage, 'sort' => array('fullname' => 1)));
 391     $numcourses = count($courses);
 392     $totalcount = coursecat::get(0)->search_courses_count($searchcriteria, array('recursive' => true));
 393 } else if ($coursecat->id) {
 394     // Print out all the sub-categories (plain mode).
 395     // In order to view hidden subcategories the user must have the viewhiddencategories.
 396     // capability in the current category..
 397     if (has_capability('moodle/category:viewhiddencategories', $context)) {
 398         $categorywhere = '';
 399     } else {
 400         $categorywhere = 'AND cc.visible = 1';
 401     }
 402     // We're going to preload the context for the subcategory as we know that we
 403     // need it later on for formatting.
 404     $ctxselect = context_helper::get_preload_record_columns_sql('ctx');
 405     $sql = "SELECT cc.*, $ctxselect
 406               FROM {course_categories} cc
 407               JOIN {context} ctx ON cc.id = ctx.instanceid
 408              WHERE cc.parent = :parentid AND
 409                    ctx.contextlevel = :contextlevel
 410                    $categorywhere
 411           ORDER BY cc.sortorder ASC";
 412     $subcategories = $DB->get_recordset_sql($sql, array('parentid' => $coursecat->id, 'contextlevel' => CONTEXT_COURSECAT));
 413     // Prepare a table to display the sub categories.
 414     $table = new html_table;
 415     $table->attributes = array(
 416         'border' => '0',
 417         'cellspacing' => '2',
 418         'cellpadding' => '4',
 419         'class' => 'generalbox boxaligncenter category_subcategories'
 420     );
 421     $table->head = array(new lang_string('subcategories'));
 422     $table->data = array();
 423     $baseurl = new moodle_url('/course/manage.php');
 424     foreach ($subcategories as $subcategory) {
 425         // Preload the context we will need it to format the category name shortly.
 426         context_helper::preload_from_record($subcategory);
 427         $context = context_coursecat::instance($subcategory->id);
 428         // Prepare the things we need to create a link to the subcategory.
 429         $attributes = $subcategory->visible ? array() : array('class' => 'dimmed');
 430         $text = format_string($subcategory->name, true, array('context' => $context));
 431         // Add the subcategory to the table.
 432         $baseurl->param('categoryid', $subcategory->id);
 433         $table->data[] = array(html_writer::link($baseurl, $text, $attributes));
 434     }
 435
 436     $subcategorieswereshown = (count($table->data) > 0);
 437     if ($subcategorieswereshown) {
 438         echo html_writer::table($table);
 439     }
 440
 441     $courses = get_courses_page($coursecat->id, 'c.sortorder ASC',
 442             'c.id,c.sortorder,c.shortname,c.fullname,c.summary,c.visible',
 443             $totalcount, $page*$perpage, $perpage);
 444     $numcourses = count($courses);
 445 } else {
 446     $subcategorieswereshown = true;
 447     $courses = array();
 448     $numcourses = $totalcount = 0;
 449 }
 450
 451 if (!$courses) {
 452     // There is no course to display.
 453     if (empty($subcategorieswereshown)) {
 454         echo $OUTPUT->heading(get_string("nocoursesyet"));
 455     }
 456 } else {
 457     // Display a basic list of courses with paging/editing options.
 458     $table = new html_table;
 459     $table->attributes = array('border' => 0, 'cellspacing' => 0, 'cellpadding' => '4', 'class' => 'generalbox boxaligncenter');
 460     $table->head = array(
 461         get_string('courses'),
 462         get_string('edit'),
 463         get_string('select')
 464     );
 465     $table->colclasses = array(null, null, 'mdl-align');
 466     if (!empty($searchcriteria)) {
 467         // add 'Category' column
 468         array_splice($table->head, 1, 0, array(get_string('category')));
 469         array_splice($table->colclasses, 1, 0, array(null));
 470     }
 471     $table->data = array();
 472
 473     $count = 0;
 474     $abletomovecourses = false;
 475
 476     // Checking if we are at the first or at the last page, to allow courses to
 477     // be moved up and down beyond the paging border.
 478     if ($totalcount > $perpage) {
 479         $atfirstpage = ($page == 0);
 480         if ($perpage > 0) {
 481             $atlastpage = (($page + 1) == ceil($totalcount / $perpage));
 482         } else {
 483             $atlastpage = true;
 484         }
 485     } else {
 486         $atfirstpage = true;
 487         $atlastpage = true;
 488     }
 489
 490     $baseurl = new moodle_url('/course/manage.php', $urlparams + array('sesskey' => sesskey()));
 491     foreach ($courses as $acourse) {
 492         $coursecontext = context_course::instance($acourse->id);
 493
 494         $count++;
 495         $up = ($count > 1 || !$atfirstpage);
 496         $down = ($count < $numcourses || !$atlastpage);
 497
 498         $courseurl = new moodle_url('/course/view.php', array('id' => $acourse->id));
 499         $attributes = array();
 500         $attributes['class'] = $acourse->visible ? '' : 'dimmed';
 501         $coursename = get_course_display_name_for_list($acourse);
 502         $coursename = format_string($coursename, true, array('context' => $coursecontext));
 503         $coursename = html_writer::link($courseurl, $coursename, $attributes);
 504
 505         $icons = array();
 506         // Update course icon.
 507         if (has_capability('moodle/course:update', $coursecontext)) {
 508             $url = new moodle_url('/course/edit.php', array('id' => $acourse->id, 'category' => $id, 'returnto' => 'catmanage'));
 509             $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/edit', get_string('settings')));
 510         }
 511
 512         // Role assignment icon.
 513         if (has_capability('moodle/course:enrolreview', $coursecontext)) {
 514             $url = new moodle_url('/enrol/users.php', array('id' => $acourse->id));
 515             $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/enrolusers', get_string('enrolledusers', 'enrol')));
 516         }
 517
 518         // Delete course icon.
 519         if (can_delete_course($acourse->id)) {
 520             $url = new moodle_url('/course/delete.php', array('id' => $acourse->id));
 521             $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/delete', get_string('delete')));
 522         }
 523
 524         // Change visibility.
 525         // Users with no capability to view hidden courses, should not be able to lock themselves out.
 526         if (has_any_capability(array('moodle/course:visibility', 'moodle/course:viewhiddencourses'), $coursecontext)) {
 527             if (!empty($acourse->visible)) {
 528                 $url = new moodle_url($baseurl, array('hide' => $acourse->id));
 529                 $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/hide', get_string('hide')));
 530             } else {
 531                 $url = new moodle_url($baseurl, array('show' => $acourse->id));
 532                 $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/show', get_string('show')));
 533             }
 534         }
 535
 536         // Backup course icon.
 537         if (has_capability('moodle/backup:backupcourse', $coursecontext)) {
 538             $url = new moodle_url('/backup/backup.php', array('id' => $acourse->id));
 539             $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/backup', get_string('backup')));
 540         }
 541
 542         // Restore course icon.
 543         if (has_capability('moodle/restore:restorecourse', $coursecontext)) {
 544             $url = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id));
 545             $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/restore', get_string('restore')));
 546         }
 547
 548         if ($canmanage) {
 549             if ($up && empty($searchcriteria)) {
 550                 $url = new moodle_url($baseurl, array('moveup' => $acourse->id));
 551                 $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/up', get_string('moveup')));
 552             }
 553             if ($down && empty($searchcriteria)) {
 554                 $url = new moodle_url($baseurl, array('movedown' => $acourse->id));
 555                 $icons[] = $OUTPUT->action_icon($url, new pix_icon('t/down', get_string('movedown')));
 556             }
 557             $abletomovecourses = true;
 558         }
 559
 560         $table->data[] = new html_table_row(array(
 561             new html_table_cell($coursename),
 562             new html_table_cell(join('', $icons)),
 563             new html_table_cell(html_writer::empty_tag('input', array('type' => 'checkbox', 'name' => 'c'.$acourse->id)))
 564         ));
 565
 566         if (!empty($searchcriteria)) {
 567             // add 'Category' column
 568             $category = coursecat::get($acourse->category, IGNORE_MISSING, true);
 569             $cell = new html_table_cell($category->get_formatted_name());
 570             $cell->attributes['class'] = $category->visible ? '' : 'dimmed_text';
 571             array_splice($table->data[count($table->data) - 1]->cells, 1, 0, array($cell));
 572         }
 573     }
 574
 575     if ($abletomovecourses) {
 576         $movetocategories = coursecat::make_categories_list('moodle/category:manage');
 577         $movetocategories[$id] = get_string('moveselectedcoursesto');
 578
 579         $cell = new html_table_cell();
 580         $cell->colspan = 3;
 581         $cell->attributes['class'] = 'mdl-right';
 582         $cell->text = html_writer::label(get_string('moveselectedcoursesto'), 'movetoid', false, array('class' => 'accesshide'));
 583         $cell->text .= html_writer::select($movetocategories, 'moveto', $id, null, array('id' => 'movetoid', 'class' => 'autosubmit'));
 584         $cell->text .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'categoryid', 'value' => $id));
 585         $PAGE->requires->yui_module('moodle-core-formautosubmit',
 586             'M.core.init_formautosubmit',
 587             array(array('selectid' => 'movetoid', 'nothing' => $id))
 588         );
 589         $table->data[] = new html_table_row(array($cell));
 590     }
 591
 592     $actionurl = new moodle_url('/course/manage.php');
 593     $pagingurl = new moodle_url('/course/manage.php', array('categoryid' => $id, 'perpage' => $perpage) + $searchcriteria);
 594
 595     echo $OUTPUT->paging_bar($totalcount, $page, $perpage, $pagingurl);
 596     echo html_writer::start_tag('form', array('id' => 'movecourses', 'action' => $actionurl, 'method' => 'post'));
 597     echo html_writer::start_tag('div');
 598     echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
 599     foreach ($searchcriteria as $key => $value) {
 600         echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => $key, 'value' => $value));
 601     }
 602     echo html_writer::table($table);
 603     echo html_writer::end_tag('div');
 604     echo html_writer::end_tag('form');
 605     echo html_writer::empty_tag('br');
 606 }
 607
 608 echo html_writer::start_tag('div', array('class' => 'buttons'));
 609 if ($canmanage and $numcourses > 1 && empty($searchcriteria)) {
 610     // Print button to re-sort courses by name.
 611     $url = new moodle_url('/course/manage.php', array('categoryid' => $id, 'resort' => 'name', 'sesskey' => sesskey()));
 612     echo $OUTPUT->single_button($url, get_string('resortcoursesbyname'), 'get');
 613 }
 614
 615 if (has_capability('moodle/course:create', $context) && empty($searchcriteria)) {
 616     // Print button to create a new course.
 617     $url = new moodle_url('/course/edit.php');
 618     if ($coursecat->id) {
 619         $url->params(array('category' => $coursecat->id, 'returnto' => 'catmanage'));
 620     } else {
 621         $url->params(array('category' => $CFG->defaultrequestcategory, 'returnto' => 'topcatmanage'));
 622     }
 623     echo $OUTPUT->single_button($url, get_string('addnewcourse'), 'get');
 624 }
 625
 626 if (!empty($CFG->enablecourserequests) && $id == $CFG->defaultrequestcategory) {
 627     print_course_request_buttons(context_system::instance());
 628 }
 629 echo html_writer::end_tag('div');
 630
 631 echo $courserenderer->course_search_form();
 632
 633 echo $OUTPUT->footer();
 634
 635 /**
 636  * Recursive function to print all the categories ready for editing.
 637  *
 638  * @param html_table $table The table to add data to.
 639  * @param coursecat $category The category to render
 640  * @param int $depth The depth of the category.
 641  * @param bool $up True if this category can be moved up.
 642  * @param bool $down True if this category can be moved down.
 643  */
 644 function print_category_edit(html_table $table, coursecat $category, $depth = -1, $up = false, $down = false) {
 645     global $OUTPUT;
 646
 647     static $str = null;
 648
 649     if (is_null($str)) {
 650         $str = new stdClass;
 651         $str->edit = new lang_string('edit');
 652         $str->delete = new lang_string('delete');
 653         $str->moveup = new lang_string('moveup');
 654         $str->movedown = new lang_string('movedown');
 655         $str->edit = new lang_string('editthiscategory');
 656         $str->hide = new lang_string('hide');
 657         $str->show = new lang_string('show');
 658         $str->cohorts = new lang_string('cohorts', 'cohort');
 659         $str->spacer = $OUTPUT->spacer().' ';
 660     }
 661
 662     if ($category->id) {
 663
 664         $categorycontext = context_coursecat::instance($category->id);
 665
 666         $attributes = array();
 667         $attributes['class'] = $category->visible ? '' : 'dimmed';
 668         $attributes['title'] = $str->edit;
 669         $categoryurl = new moodle_url('/course/manage.php', array('categoryid' => $category->id, 'sesskey' => sesskey()));
 670         $categoryname = $category->get_formatted_name();
 671         $categorypadding = str_repeat('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;', $depth);
 672         $categoryname = $categorypadding . html_writer::link($categoryurl, $categoryname, $attributes);
 673
 674         $icons = array();
 675         if (has_capability('moodle/category:manage', $categorycontext)) {
 676             // Edit category.
 677             $icons[] = $OUTPUT->action_icon(
 678                 new moodle_url('/course/editcategory.php', array('id' => $category->id)),
 679                 new pix_icon('t/edit', $str->edit, 'moodle', array('class' => 'iconsmall')),
 680                 null, array('title' => $str->edit)
 681             );
 682             // Delete category.
 683             $icons[] = $OUTPUT->action_icon(
 684                 new moodle_url('/course/manage.php', array('deletecat' => $category->id, 'sesskey' => sesskey())),
 685                 new pix_icon('t/delete', $str->delete, 'moodle', array('class' => 'iconsmall')),
 686                 null, array('title' => $str->delete)
 687             );
 688             // Change visibility.
 689             if (!empty($category->visible)) {
 690                 $icons[] = $OUTPUT->action_icon(
 691                     new moodle_url('/course/manage.php', array('hidecat' => $category->id, 'sesskey' => sesskey())),
 692                     new pix_icon('t/hide', $str->hide, 'moodle', array('class' => 'iconsmall')),
 693                     null, array('title' => $str->hide)
 694                 );
 695             } else {
 696                 $icons[] = $OUTPUT->action_icon(
 697                     new moodle_url('/course/manage.php', array('showcat' => $category->id, 'sesskey' => sesskey())),
 698                     new pix_icon('t/show', $str->show, 'moodle', array('class' => 'iconsmall')),
 699                     null, array('title' => $str->show)
 700                 );
 701             }
 702             // Cohorts.
 703             if (has_any_capability(array('moodle/cohort:manage', 'moodle/cohort:view'), $categorycontext)) {
 704                 $icons[] = $OUTPUT->action_icon(
 705                     new moodle_url('/cohort/index.php', array('contextid' => $categorycontext->id)),
 706                     new pix_icon('t/cohort', $str->cohorts, 'moodle', array('class' => 'iconsmall')),
 707                     null, array('title' => $str->cohorts)
 708                 );
 709             }
 710             // Move up/down.
 711             if ($up) {
 712                 $icons[] = $OUTPUT->action_icon(
 713                     new moodle_url('/course/manage.php', array('moveupcat' => $category->id, 'sesskey' => sesskey())),
 714                     new pix_icon('t/up', $str->moveup, 'moodle', array('class' => 'iconsmall')),
 715                     null, array('title' => $str->moveup)
 716                 );
 717             } else {
 718                 $icons[] = $str->spacer;
 719             }
 720             if ($down) {
 721                 $icons[] = $OUTPUT->action_icon(
 722                     new moodle_url('/course/manage.php', array('movedowncat' => $category->id, 'sesskey' => sesskey())),
 723                     new pix_icon('t/down', $str->movedown, 'moodle', array('class' => 'iconsmall')),
 724                     null, array('title' => $str->movedown)
 725                 );
 726             } else {
 727                 $icons[] = $str->spacer;
 728             }
 729         }
 730
 731         $actions = '';
 732         if (has_capability('moodle/category:manage', $categorycontext)) {
 733             $popupurl = new moodle_url('/course/manage.php', array('movecat' => $category->id, 'sesskey' => sesskey()));
 734             $tempdisplaylist = array(0 => get_string('top')) + coursecat::make_categories_list('moodle/category:manage', $category->id);
 735             $select = new single_select($popupurl, 'movetocat', $tempdisplaylist, $category->parent, null, "moveform$category->id");
 736             $select->set_label(get_string('frontpagecategorynames'), array('class' => 'accesshide'));
 737             $actions = $OUTPUT->render($select);
 738         }
 739
 740         $table->data[] = new html_table_row(array(
 741             // Category name.
 742             new html_table_cell($categoryname),
 743             // Course count.
 744             new html_table_cell($category->coursecount),
 745             // Icons.
 746             new html_table_cell(join(' ', $icons)),
 747             // Actions.
 748             new html_table_cell($actions)
 749         ));
 750     }
 751
 752     if ($categories = $category->get_children()) {
 753         // Print all the children recursively.
 754         $countcats = count($categories);
 755         $count = 0;
 756         $first = true;
 757         $last = false;
 758         foreach ($categories as $cat) {
 759             $count++;
 760             if ($count == $countcats) {
 761                 $last = true;
 762             }
 763             $up = $first ? false : true;
 764             $down = $last ? false : true;
 765             $first = false;
 766
 767             print_category_edit($table, $cat, $depth+1, $up, $down);
 768         }
 769     }
 770 }