course/editcategory.php

   1 <?php // $Id$
   2 /**
   3  * Page for creating or editing course category name/parent/description.
   4  * When called with an id parameter, edits the category with that id.
   5  * Otherwise it creates a new category with default parent from the parent
   6  * parameter, which may be 0.
   7  */
   8
   9 require_once('../config.php');
  10 require_once('lib.php');
  11 require_once('editcategory_form.php');
  12
  13 require_login();
  14
  15 $id = optional_param('id', 0, PARAM_INT);
  16 if ($id) {
  17     if (!$category = get_record('course_categories', 'id', $id)) {
  18         error("Category not known!");
  19     }
  20     require_capability('moodle/category:manage', get_context_instance(CONTEXT_COURSECAT, $id));
  21     $strtitle = get_string('editcategorysettings');
  22 } else {
  23     $parent = required_param('parent', PARAM_INT);
  24     if ($parent) {
  25         if (!record_exists('course_categories', 'id', $parent)) {
  26             error('Unknown parent category ' . $parent);
  27         }
  28         $context = get_context_instance(CONTEXT_COURSECAT, $parent);
  29     } else {
  30         $context = get_system_context();
  31     }
  32     $category = new stdClass();
  33     $category->id = 0;
  34     $category->parent = $parent;
  35     require_capability('moodle/category:manage', $context);
  36     $strtitle = get_string("addnewcategory");
  37 }
  38
  39 $mform = new editcategory_form('editcategory.php', $category);
  40 $mform->set_data($category);
  41
  42 if ($mform->is_cancelled()) {
  43     if ($id) {
  44         redirect($CFG->wwwroot . '/course/category.php?id=' . $id . '&categoryedit=on');
  45     } else if ($parent) {
  46         redirect($CFG->wwwroot .'/course/category.php?id=' . $parent . '&categoryedit=on');
  47     } else {
  48         redirect($CFG->wwwroot .'/course/index.php?categoryedit=on');
  49     }
  50 } else if ($data = $mform->get_data()) {
  51     $newcategory = new stdClass();
  52     $newcategory->name = $data->name;
  53     $newcategory->description = $data->description;
  54     $newcategory->parent = $data->parent; // if $data->parent = 0, the new category will be a top-level category
  55
  56     if (isset($data->theme) && !empty($CFG->allowcategorythemes)) {
  57         $newcategory->theme = $data->theme;
  58     }
  59
  60     if ($id) {
  61         // Update an existing category.
  62         $newcategory->id = $category->id;
  63         if ($newcategory->parent != $category->parent) {
  64             $parent_cat = get_record('course_categories', 'id', $newcategory->parent);
  65             move_category($newcategory, $parent_cat);
  66         }
  67         if (!update_record('course_categories', $newcategory)) {
  68             error( "Could not update the category '$newcategory->name' ");
  69         }
  70         fix_course_sortorder();
  71
  72     } else {
  73         // Create a new category.
  74         $newcategory->sortorder = 999;
  75         if (!$newcategory->id = insert_record('course_categories', $newcategory)) {
  76             error("Could not insert the new category '$newcategory->name' ");
  77         }
  78         $newcategory->context = get_context_instance(CONTEXT_COURSECAT, $newcategory->id);
  79         mark_context_dirty($newcategory->context->path);
  80         fix_course_sortorder(); // Required to build course_categories.depth and .path.
  81     }
  82     redirect('category.php?id='.$newcategory->id.'&categoryedit=on');
  83 }
  84
  85 // Print the form
  86 $straddnewcategory = get_string('addnewcategory');
  87 $stradministration = get_string('administration');
  88 $strcategories = get_string('categories');
  89 $navlinks = array();
  90
  91 if ($id) {
  92     $navlinks[] = array('name' => $strtitle,
  93                         'link' => null,
  94                         'type' => 'misc');
  95     $title = $strtitle;
  96     $fullname = $category->name;
  97 } else {
  98     $navlinks[] = array('name' => $stradministration,
  99                         'link' => "$CFG->wwwroot/$CFG->admin/index.php",
 100                         'type' => 'misc');
 101     $navlinks[] = array('name' => $strcategories,
 102                         'link' => 'index.php',
 103                         'type' => 'misc');
 104     $navlinks[] = array('name' => $straddnewcategory,
 105                         'link' => null,
 106                         'type' => 'misc');
 107     $title = "$SITE->shortname: $straddnewcategory";
 108     $fullname = $SITE->fullname;
 109 }
 110
 111 $navigation = build_navigation($navlinks);
 112 print_header($title, $fullname, $navigation, $mform->focus());
 113 print_heading($strtitle);
 114
 115 $mform->display();
 116
 117 print_footer();
 118 ?>