mirror of
https://github.com/moodle/moodle.git
synced 2025-01-18 05:58:34 +01:00
409 lines
16 KiB
PHP
409 lines
16 KiB
PHP
<?php // $Id$
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// For most people, just lists the course categories
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// Allows the admin to create, delete and rename course categories
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require_once("../config.php");
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require_once("lib.php");
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$categoryedit = optional_param('categoryedit', -1,PARAM_BOOL);
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$delete = optional_param('delete',0,PARAM_INT);
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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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$move = optional_param('move',0,PARAM_INT);
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$moveto = optional_param('moveto',-1,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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$sysctx = get_context_instance(CONTEXT_SYSTEM);
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$context = $sysctx;
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if (!$site = get_site()) {
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print_error('siteisnotdefined', 'debug');
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}
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if ($CFG->forcelogin) {
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require_login();
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}
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if (has_capability('moodle/category:update', $sysctx)) {
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if ($categoryedit !== -1) {
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$USER->categoryediting = $categoryedit;
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}
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$adminediting = !empty($USER->categoryediting);
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} else {
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$adminediting = false;
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}
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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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$stredit = get_string('edit');
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$strdelete = get_string('delete');
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$straction = get_string('action');
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/// Unless it's an editing admin, just print the regular listing of courses/categories
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if (!$adminediting) {
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/// Print form for creating new categories
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$countcategories = $DB->count_records('course_categories');
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if ($countcategories > 1 || ($countcategories == 1 && $DB->count_records('course') > 200)) {
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$strcourses = get_string('courses');
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$strcategories = get_string('categories');
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$navlinks = array();
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$navlinks[] = array('name'=>$strcategories,'link'=>'','type'=>'misc');
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$navigation = build_navigation($navlinks);
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print_header("$site->shortname: $strcategories", $strcourses, $navigation, '', '', true, update_categories_button());
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print_heading($strcategories);
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echo skip_main_destination();
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print_box_start('categorybox');
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print_whole_category_list();
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print_box_end();
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print_course_search();
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} else {
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$strfulllistofcourses = get_string('fulllistofcourses');
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print_header("$site->shortname: $strfulllistofcourses", $strfulllistofcourses,
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build_navigation(array(array('name'=>$strfulllistofcourses, 'link'=>'','type'=>'misc'))),
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'', '', true, update_categories_button());
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echo skip_main_destination();
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print_box_start('courseboxes');
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print_courses(0);
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print_box_end();
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}
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/// I am not sure this context in the next has_capability call is correct.
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if (isloggedin() and !isguest() and !has_capability('moodle/course:create', $sysctx) and $CFG->enablecourserequests) { // Print link to request a new course
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print_single_button('request.php', NULL, get_string('courserequest'), 'get');
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}
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if (has_capability('moodle/course:create', $sysctx)) { // Print link to create a new course
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/// Get the 1st available category
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$options = array('category' => $DB->get_field('course_categories', 'id', array('parent'=>'0')));
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print_single_button('edit.php', $options, get_string('addnewcourse'), 'get');
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}
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if (has_capability('moodle/site:approvecourse', $sysctx) and !empty($CFG->enablecourserequests)) {
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print_single_button('pending.php',NULL, get_string('coursespending'),'get');
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}
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print_footer();
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exit;
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}
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/// From now on is all the admin/course creator functions
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/// Delete a category if necessary
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if (!empty($delete) and confirm_sesskey()) {
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require_once('delete_category_form.php');
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if (!$deletecat = $DB->get_record('course_categories', array('id'=>$delete))) {
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print_error('invalidcategoryid');
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}
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$heading = get_string('deletecategory', '', format_string($deletecat->name));
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$context = get_context_instance(CONTEXT_COURSECAT, $delete);
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require_capability('moodle/category:delete', $context);
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$mform = new delete_category_form(null, $deletecat);
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$mform->set_data(array('delete'=>$delete));
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if ($mform->is_cancelled()) {
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redirect('index.php');
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} else if (!$data= $mform->get_data()) {
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require_once($CFG->libdir . '/questionlib.php');
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print_category_edit_header();
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print_heading($heading);
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print_box(get_string('deletecategorycheck2'), 'generalbox boxwidthnormal boxaligncenter');
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if (question_context_has_any_questions($context)) {
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print_box(get_string('deletecoursecategorywithquestions', 'question'),
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'generalbox boxwidthnormal boxaligncenter');
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}
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$mform->display();
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print_footer();
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exit();
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}
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print_category_edit_header();
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print_heading($heading);
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if ($data->fulldelete) {
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category_delete_full($deletecat, true);
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} else {
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category_delete_move($deletecat, $data->newparent, true);
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}
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print_continue('index.php');
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print_footer();
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die;
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}
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/// Print headings
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print_category_edit_header();
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print_heading($strcategories);
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/// Create a default category if necessary
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if (!$categories = get_categories()) { /// No category yet!
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// Try and make one
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$tempcat = new object();
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$tempcat->name = get_string('miscellaneous');
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if (!$tempcat->id = $DB->insert_record('course_categories', $tempcat)) {
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print_error('cannotsetupcategory');
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}
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$tempcat->context = get_context_instance(CONTEXT_COURSECAT, $tempcat->id);
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mark_context_dirty('/'.SYSCONTEXTID);
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}
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/// Move a category to a new parent if required
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if (!empty($move) and ($moveto>=0) and confirm_sesskey()) {
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if ($tempcat = $DB->get_record('course_categories', array('id'=>$move))) {
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if ($tempcat->parent != $moveto) {
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$newp = $DB->get_record('course_categories', array('id'=>$moveto));
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if (! move_category($tempcat, $newp)) {
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notify('Could not update that category!');
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}
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}
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}
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}
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/// Hide or show a category
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if ((!empty($hide) or !empty($show)) and confirm_sesskey()) {
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if (!empty($hide)) {
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$tempcat = $DB->get_record('course_categories', array('id'=>$hide));
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$visible = 0;
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} else {
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$tempcat = $DB->get_record('course_categories', array('id'=>$show));
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$visible = 1;
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}
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if ($tempcat) {
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if (!$DB->set_field('course_categories', 'visible', $visible, array('id'=>$tempcat->id))) {
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notify('Could not update that category!');
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}
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if (!$DB->set_field('course', 'visible', $visible, array('category'=>$tempcat->id))) {
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notify('Could not hide/show any courses in this category !');
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}
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}
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}
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/// Move a category up or down
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if ((!empty($moveup) or !empty($movedown)) and confirm_sesskey()) {
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fix_course_sortorder();
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$swapcategory = NULL;
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if (!empty($moveup)) {
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if ($movecategory = $DB->get_record('course_categories', array('id'=>$moveup))) {
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if ($swapcategory = $DB->get_records_select('course_categories', "sortorder<? AND parent=?", array($movecategory->sortorder, $movecategory->parent), 'sortorder ASC', '*', 0, 1)) {
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$swapcategory = reset($swapcategory);
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}
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}
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} else {
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if ($movecategory = $DB->get_record('course_categories', array('id'=>$movedown))) {
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if ($swapcategory = $DB->get_records_select('course_categories', "sortorder>? AND parent=?", array($movecategory->sortorder, $movecategory->parent), 'sortorder ASC', '*', 0, 1)) {
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$swapcategory = reset($swapcategory);
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}
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}
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}
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if ($swapcategory and $movecategory) {
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$DB->set_field('course_categories', 'sortorder', $swapcategory->sortorder, array('id'=>$movecategory->id));
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$DB->set_field('course_categories', 'sortorder', $movecategory->sortorder, array('id'=>$swapcategory->id));
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}
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// finally reorder courses
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fix_course_sortorder();
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}
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/// This should not be needed anymore
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//fix_course_sortorder();
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/// Print out the categories with all the knobs
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$strcategories = get_string('categories');
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$strcourses = get_string('courses');
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$strmovecategoryto = get_string('movecategoryto');
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$stredit = get_string('edit');
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$displaylist = array();
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$parentlist = array();
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$displaylist[0] = get_string('top');
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make_categories_list($displaylist, $parentlist, '');
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echo '<table class="generalbox editcourse boxaligncenter"><tr class="header">';
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echo '<th class="header" scope="col">'.$strcategories.'</th>';
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echo '<th class="header" scope="col">'.$strcourses.'</th>';
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echo '<th class="header" scope="col">'.$stredit.'</th>';
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echo '<th class="header" scope="col">'.$strmovecategoryto.'</th>';
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echo '</tr>';
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print_category_edit(NULL, $displaylist, $parentlist);
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echo '</table>';
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echo '<div class="buttons">';
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if (!empty($category->id)) {
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// Print link to create a new course in current category
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if (has_capability('moodle/course:create', $context)) {
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$options = array();
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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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}
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}else{
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if (has_capability('moodle/course:create', $sysctx)) {
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// print create course link to first category
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$options = array();
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$options = array('category' => $DB->get_field('course_categories', 'id', array('parent'=>'0')));
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print_single_button('edit.php', $options, get_string('addnewcourse'), 'get');
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}
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}
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// Print button for creating new categories
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if (has_capability('moodle/category:create', $context)) {
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unset($options);
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if (!empty($category->id)) {
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$options['id'] = $category->id;
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} else {
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$options['id'] = 0;
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}
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$options['categoryadd'] = 1;
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print_single_button('editcategory.php', $options, get_string('addnewcategory'), 'get');
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}
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if (has_capability('moodle/site:approvecourse', $sysctx) and !empty($CFG->enablecourserequests)) {
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print_single_button('pending.php',NULL, get_string('coursespending'), 'get');
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}
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// admin page does not allow custom buttons in the navigation bar
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echo '<div class="singlebutton">';
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echo update_categories_button();
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echo '</div></div>';
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print_footer();
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function print_category_edit($category, $displaylist, $parentslist, $depth=-1, $up=false, $down=false) {
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/// Recursive function to print all the categories ready for editing
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global $CFG, $USER;
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static $str = '';
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if (empty($str)) {
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$str->edit = get_string('edit');
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$str->delete = get_string('delete');
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$str->moveup = get_string('moveup');
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$str->movedown = get_string('movedown');
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$str->edit = get_string('editthiscategory');
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$str->hide = get_string('hide');
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$str->show = get_string('show');
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}
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if ($category) {
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if (!isset($category->context)) {
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$category->context = get_context_instance(CONTEXT_COURSECAT, $category->id);
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}
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echo '<tr><td align="left" class="name">';
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for ($i=0; $i<$depth;$i++) {
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echo ' ';
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}
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$linkcss = $category->visible ? '' : ' class="dimmed" ';
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echo '<a '.$linkcss.' title="'.$str->edit.'" '.
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' href="category.php?id='.$category->id.'&categoryedit=on&sesskey='.sesskey().'">'.
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format_string($category->name).'</a>';
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echo '</td>';
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echo '<td class="count">'.$category->coursecount.'</td>';
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echo '<td class="icons">'; /// Print little icons
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if (has_capability('moodle/category:update', $category->context)) {
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echo '<a title="'.$str->edit.'" href="editcategory.php?id='.$category->id.'&sesskey='.sesskey().'"><img'.
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' src="'.$CFG->pixpath.'/t/edit.gif" class="iconsmall" alt="'.$str->edit.'" /></a> ';
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}
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if (has_capability('moodle/category:delete', $category->context)) {
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echo '<a title="'.$str->delete.'" href="index.php?delete='.$category->id.'&sesskey='.sesskey().'"><img'.
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' src="'.$CFG->pixpath.'/t/delete.gif" class="iconsmall" alt="'.$str->delete.'" /></a> ';
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}
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if (has_capability('moodle/category:visibility', $category->context)) {
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if (!empty($category->visible)) {
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echo '<a title="'.$str->hide.'" href="index.php?hide='.$category->id.'&sesskey='.sesskey().'"><img'.
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' src="'.$CFG->pixpath.'/t/hide.gif" class="iconsmall" alt="'.$str->hide.'" /></a> ';
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} else {
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echo '<a title="'.$str->show.'" href="index.php?show='.$category->id.'&sesskey='.sesskey().'"><img'.
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' src="'.$CFG->pixpath.'/t/show.gif" class="iconsmall" alt="'.$str->show.'" /></a> ';
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}
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}
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if ($up) {
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echo '<a title="'.$str->moveup.'" href="index.php?moveup='.$category->id.'&sesskey='.sesskey().'"><img'.
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' src="'.$CFG->pixpath.'/t/up.gif" class="iconsmall" alt="'.$str->moveup.'" /></a> ';
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}
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if ($down) {
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echo '<a title="'.$str->movedown.'" href="index.php?movedown='.$category->id.'&sesskey='.sesskey().'"><img'.
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' src="'.$CFG->pixpath.'/t/down.gif" class="iconsmall" alt="'.$str->movedown.'" /></a> ';
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}
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echo '</td>';
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echo '<td align="left">';
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$tempdisplaylist = $displaylist;
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unset($tempdisplaylist[$category->id]);
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foreach ($parentslist as $key => $parents) {
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if (in_array($category->id, $parents)) {
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unset($tempdisplaylist[$key]);
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}
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}
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popup_form ("index.php?move=$category->id&sesskey=$USER->sesskey&moveto=", $tempdisplaylist, "moveform$category->id", $category->parent, '', '', '', false);
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echo '</td>';
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echo '</tr>';
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} else {
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$category->id = '0';
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}
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if ($categories = get_categories($category->id)) { // Print all the children recursively
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$countcats = count($categories);
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$count = 0;
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$first = true;
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$last = false;
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foreach ($categories as $cat) {
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$count++;
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if ($count == $countcats) {
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$last = true;
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}
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$up = $first ? false : true;
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$down = $last ? false : true;
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$first = false;
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print_category_edit($cat, $displaylist, $parentslist, $depth+1, $up, $down);
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}
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}
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}
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function print_category_edit_header() {
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global $CFG;
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global $SITE;
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if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
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require_once($CFG->libdir.'/adminlib.php');
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admin_externalpage_setup('coursemgmt');
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admin_externalpage_print_header();
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} else {
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print_header("$SITE->shortname:". get_string('categories'), get_string('courses'),
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build_navigation(array(array('name'=>get_string('categories'),'link'=>'','type'=>'misc'))), '', '', true, update_categories_button());
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}
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}
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?>
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