question/category.php

   1 <?php // $Id$
   2 /**
   3  * Allows a teacher to create, edit and delete categories
   4  *
   5  * @version $Id$
   6  * @author Martin Dougiamas and many others.
   7  *         {@link http://moodle.org}
   8  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   9  * @package question
  10  */
  11
  12     require_once("../config.php");
  13     require_once("editlib.php");
  14     require_once("category_class.php");
  15
  16     // get values from form
  17     $param = new stdClass();
  18     $id = required_param('id',PARAM_INT);   // course id
  19     $param->moveup = optional_param('moveup',0,PARAM_INT);
  20     $param->movedown = optional_param('movedown',0,PARAM_INT);
  21     $param->hide = optional_param('hide',0,PARAM_INT);
  22     $param->delete = optional_param('delete',0,PARAM_INT);
  23     $param->confirm = optional_param('confirm',0,PARAM_INT);
  24     $param->cancel = optional_param('cancel','',PARAM_ALPHA);
  25     $param->move = optional_param('move',0,PARAM_INT);
  26     $param->moveto = optional_param('moveto',0,PARAM_INT);
  27     $param->publish = optional_param('publish',0,PARAM_INT);
  28     $param->addcategory = optional_param('addcategory','',PARAM_NOTAGS);
  29     $param->edit = optional_param('edit',0,PARAM_INT);
  30     $param->updateid = optional_param('updateid',0,PARAM_INT);
  31     $param->page = optional_param('page',1,PARAM_INT);
  32
  33     if (! $course = get_record("course", "id", $id)) {
  34         error("Course ID is incorrect");
  35     }
  36
  37     $context = get_context_instance(CONTEXT_COURSE, $id);
  38
  39     require_login($course->id, false);
  40     require_capability('moodle/question:managecategory', $context);
  41
  42     $qcobject = new question_category_object();
  43     $qcobject->set_course($course);
  44
  45     // Page header
  46     // TODO: generalise this to any activity
  47     if (isset($SESSION->modform->instance) and $quiz = get_record('quiz', 'id', $SESSION->modform->instance)) {
  48         $strupdatemodule = has_capability('moodle/course:manageactivities', get_context_instance(CONTEXT_COURSE, $course->id))
  49             ? update_module_button($SESSION->modform->cmid, $course->id, get_string('modulename', 'quiz'))
  50             : "";
  51         print_header_simple(get_string('editcategories', 'quiz'), '',
  52                  "<a href=\"$CFG->wwwroot/mod/quiz/index.php?id=$course->id\">".get_string('modulenameplural', 'quiz').'</a>'.
  53                  " -> <a href=\"$CFG->wwwroot/mod/quiz/view.php?q=$quiz->id\">".format_string($quiz->name).'</a>'.
  54                  ' -> '.get_string('editcategories', 'quiz'),
  55                  "", "", true, $strupdatemodule);
  56         $currenttab = 'edit';
  57         $mode = 'categories';
  58         include($CFG->dirroot.'/mod/quiz/tabs.php');
  59     } else {
  60         print_header_simple(get_string('editcategories', 'quiz'), '', get_string('editcategories', 'quiz'));
  61
  62         // print tabs
  63         $currenttab = 'categories';
  64         include('tabs.php');
  65     }
  66
  67     // Process actions.
  68     if (isset($_REQUEST['sesskey']) and confirm_sesskey()) { // sesskey must be ok
  69         if (!empty($param->delete) and empty($param->cancel)) {
  70             if (!empty($param->confirm)) {
  71                 /// 'confirm' is the category to move existing questions to
  72                 $qcobject->delete_category($param->delete, $param->confirm);
  73             } else {
  74                 $qcobject->delete_category($param->delete);
  75             }
  76         } else if (!empty($param->moveup)) {
  77             $qcobject->move_category_up_down('up', $param->moveup);
  78         } else if (!empty($param->movedown)) {
  79             $qcobject->move_category_up_down('down', $param->movedown);
  80         } else if (!empty($param->hide)) {
  81             $qcobject->publish_category(false, $param->hide);
  82         } else if (!empty($param->move)) {
  83             $qcobject->move_category($param->move, $param->moveto);
  84         } else if (!empty($param->publish)) {
  85             $qcobject->publish_category(true, $param->publish);
  86         } else if (!empty($param->addcategory)) {
  87             $param->newparent   = required_param('newparent',PARAM_INT);
  88             $param->newcategory = required_param('newcategory',PARAM_NOTAGS);
  89             $param->newinfo     = required_param('newinfo',PARAM_NOTAGS);
  90             $param->newpublish  = required_param('newpublish',PARAM_INT);
  91             $qcobject->add_category($param->newparent, $param->newcategory, $param->newinfo,
  92                 $param->newpublish, $course->id);
  93         } else if (!empty($param->edit)) {
  94             $qcobject->edit_single_category($param->edit, $param->page);
  95         } else if (!empty($param->updateid)) {
  96             $param->updateparent  = required_param('updateparent',PARAM_INT);
  97             $param->updatename    = required_param('updatename',PARAM_NOTAGS);
  98             $param->updateinfo    = required_param('updateinfo',PARAM_NOTAGS);
  99             $param->updatepublish = required_param('updatepublish',PARAM_INT);
 100             $qcobject->update_category($param->updateid, $param->updateparent, $param->updatename,
 101                 $param->updateinfo, $param->updatepublish, $course->id);
 102         }
 103     }
 104
 105     // display the user interface
 106     $qcobject->display_user_interface($param->page);
 107
 108     print_footer($course);
 109 ?>