weekly on-sync release 2.5dev
[moodle.git] / question / category.php
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aeb15530 1<?php
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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
516cf3eb 17/**
d3603157 18 * This script allows a teacher to create, edit and delete question categories.
bc649d80 19 *
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20 * @package moodlecore
21 * @subpackage questionbank
22 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
bc649d80 24 */
516cf3eb 25
516cf3eb 26
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27require_once("../config.php");
28require_once($CFG->dirroot."/question/editlib.php");
29require_once($CFG->dirroot."/question/category_class.php");
30
31list($thispageurl, $contexts, $cmid, $cm, $module, $pagevars) =
32 question_edit_setup('categories', '/question/category.php');
b72ff476 33
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34// get values from form for actions on this page
35$param = new stdClass();
36$param->moveup = optional_param('moveup', 0, PARAM_INT);
37$param->movedown = optional_param('movedown', 0, PARAM_INT);
38$param->moveupcontext = optional_param('moveupcontext', 0, PARAM_INT);
39$param->movedowncontext = optional_param('movedowncontext', 0, PARAM_INT);
40$param->tocontext = optional_param('tocontext', 0, PARAM_INT);
41$param->left = optional_param('left', 0, PARAM_INT);
42$param->right = optional_param('right', 0, PARAM_INT);
43$param->delete = optional_param('delete', 0, PARAM_INT);
44$param->confirm = optional_param('confirm', 0, PARAM_INT);
45$param->cancel = optional_param('cancel', '', PARAM_ALPHA);
46$param->move = optional_param('move', 0, PARAM_INT);
47$param->moveto = optional_param('moveto', 0, PARAM_INT);
48$param->edit = optional_param('edit', 0, PARAM_INT);
dac786f3 49
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50$url = new moodle_url($thispageurl);
51foreach ((array)$param as $key=>$value) {
52 if (($key !== 'cancel' && $value !== 0) || ($key === 'cancel' && $value !== '')) {
53 $url->param($key, $value);
7f093351 54 }
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55}
56$PAGE->set_url($url);
e2c80339 57
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58$qcobject = new question_category_object($pagevars['cpage'], $thispageurl, $contexts->having_one_edit_tab_cap('categories'), $param->edit, $pagevars['cat'], $param->delete,
59 $contexts->having_cap('moodle/question:add'));
516cf3eb 60
5e8a85aa 61$streditingcategories = get_string('editcategories', 'question');
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62if ($param->left || $param->right || $param->moveup || $param->movedown|| $param->moveupcontext || $param->movedowncontext){
63 require_sesskey();
64 foreach ($qcobject->editlists as $list){
65 //processing of these actions is handled in the method where appropriate and page redirects.
66 $list->process_actions($param->left, $param->right, $param->moveup, $param->movedown,
67 $param->moveupcontext, $param->movedowncontext, $param->tocontext);
271e6dec 68 }
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69}
70if ($param->delete && ($questionstomove = $DB->count_records("question", array("category" => $param->delete)))){
71 if (!$category = $DB->get_record("question_categories", array("id" => $param->delete))) { // security
72 print_error('nocate', 'question', $thispageurl->out(), $param->delete);
271e6dec 73 }
d197ea43 74 $categorycontext = context::instance_by_id($category->contextid);
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75 $qcobject->moveform = new question_move_form($thispageurl,
76 array('contexts'=>array($categorycontext), 'currentcat'=>$param->delete));
77 if ($qcobject->moveform->is_cancelled()){
e42f153c 78 redirect($thispageurl);
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79 } elseif ($formdata = $qcobject->moveform->get_data()) {
80 /// 'confirm' is the category to move existing questions to
81 list($tocategoryid, $tocontextid) = explode(',', $formdata->category);
82 $qcobject->move_questions_and_delete_category($formdata->delete, $tocategoryid);
21cbf9da 83 $thispageurl->remove_params('cat', 'category');
e42f153c 84 redirect($thispageurl);
271e6dec 85 }
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86} else {
87 $questionstomove = 0;
88}
89if ($qcobject->catform->is_cancelled()) {
90 redirect($thispageurl);
91} else if ($catformdata = $qcobject->catform->get_data()) {
92 if (!$catformdata->id) {//new category
93 $qcobject->add_category($catformdata->parent, $catformdata->name, $catformdata->info);
94 } else {
95 $qcobject->update_category($catformdata->id, $catformdata->parent, $catformdata->name, $catformdata->info);
271e6dec 96 }
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97 redirect($thispageurl);
98} else if ((!empty($param->delete) and (!$questionstomove) and confirm_sesskey())) {
99 $qcobject->delete_category($param->delete);//delete the category now no questions to move
100 $thispageurl->remove_params('cat', 'category');
101 redirect($thispageurl);
102}
b72ff476 103
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104if ($param->edit){
105 $PAGE->navbar->add(get_string('editingcategory', 'question'));
106}
b72ff476 107
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108$PAGE->set_title($streditingcategories);
109$PAGE->set_heading($COURSE->fullname);
110echo $OUTPUT->header();
aeb15530 111
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112// display UI
113if (!empty($param->edit)) {
114 $qcobject->edit_single_category($param->edit);
115} else if ($questionstomove){
116 $qcobject->display_move_form($questionstomove, $category);
117} else {
118 // display the user interface
119 $qcobject->display_user_interface();
120}
121echo $OUTPUT->footer();