weekly release 2.4dev
[moodle.git] / blog / edit_form.php
CommitLineData
cae83708 1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
f07b9627 17
bfebaf64
MD
18if (!defined('MOODLE_INTERNAL')) {
19 die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
20}
21
f07b9627 22require_once($CFG->libdir.'/formslib.php');
23
24class blog_edit_form extends moodleform {
cae83708 25 public $modnames = array();
f07b9627 26
2ee60b49 27 function definition() {
1c7b8b93 28 global $CFG, $DB;
45df7de3 29
1c7b8b93 30 $mform =& $this->_form;
f07b9627 31
1c7b8b93
NC
32 $entry = $this->_customdata['entry'];
33 $courseid = $this->_customdata['courseid'];
34 $modid = $this->_customdata['modid'];
35 $summaryoptions = $this->_customdata['summaryoptions'];
36 $attachmentoptions = $this->_customdata['attachmentoptions'];
f07b9627 37 $sitecontext = $this->_customdata['sitecontext'];
38
f07b9627 39 $mform->addElement('header', 'general', get_string('general', 'form'));
cae83708 40
3e0ce607 41 $mform->addElement('text', 'subject', get_string('entrytitle', 'blog'), array('size' => 60, 'maxlength' => 128));
1c7b8b93 42 $mform->addElement('editor', 'summary_editor', get_string('entrybody', 'blog'), null, $summaryoptions);
cae83708 43
2ee60b49 44 $mform->setType('subject', PARAM_TEXT);
45 $mform->addRule('subject', get_string('emptytitle', 'blog'), 'required', null, 'client');
3e0ce607 46 $mform->addRule('subject', get_string('maximumchars', '', 128), 'maxlength', 128, 'client');
f07b9627 47
1c7b8b93
NC
48 $mform->setType('summary_editor', PARAM_RAW);
49 $mform->addRule('summary_editor', get_string('emptybody', 'blog'), 'required', null, 'client');
f07b9627 50
1c7b8b93 51 $mform->addElement('filemanager', 'attachment_filemanager', get_string('attachment', 'forum'), null, $attachmentoptions);
f07b9627 52
cae83708 53 //disable publishstate options that are not allowed
54 $publishstates = array();
55 $i = 0;
56
57 foreach (blog_entry::get_applicable_publish_states() as $state => $desc) {
5f4d4d80 58 $publishstates[$state] = $desc; //no maximum was set
cae83708 59 $i++;
60 }
61
62 $mform->addElement('select', 'publishstate', get_string('publishto', 'blog'), $publishstates);
2650f44d 63 $mform->addHelpButton('publishstate', 'publishto', 'blog');
1c7b8b93 64 $mform->setDefault('publishstate', 0);
93bbdd50 65
66 if (!empty($CFG->usetags)) {
3d535996 67 $mform->addElement('header', 'tagshdr', get_string('tags', 'tag'));
fc23301c 68 $mform->addElement('tags', 'tags', get_string('tags'));
f07b9627 69 }
fc23301c 70
cae83708 71 $allmodnames = array();
72
73 if (!empty($CFG->useblogassociations)) {
1c7b8b93
NC
74 if ((!empty($entry->courseassoc) || (!empty($courseid) && empty($modid))) && has_capability('moodle/blog:associatecourse', $sitecontext)) {
75 if (!empty($courseid)) {
76 $course = $DB->get_record('course', array('id' => $courseid));
77 $mform->addElement('header', 'assochdr', get_string('associations', 'blog'));
41b38360 78 $context = context_course::instance($courseid);
e463f508 79 $a = new stdClass();
91d284c1 80 $a->coursename = format_string($course->fullname, true, array('context' => $context));
1c7b8b93
NC
81 $contextid = $context->id;
82 } else {
83 $sql = 'SELECT fullname FROM {course} cr LEFT JOIN {context} ct ON ct.instanceid = cr.id WHERE ct.id = ?';
e463f508 84 $a = new stdClass();
1c7b8b93
NC
85 $a->coursename = $DB->get_field_sql($sql, array($entry->courseassoc));
86 $contextid = $entry->courseassoc;
87 }
cae83708 88
1c7b8b93
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89 $mform->addElement('advcheckbox', 'courseassoc', get_string('associatewithcourse', 'blog', $a), null, null, array(0, $contextid));
90 $mform->setDefault('courseassoc', $contextid);
91 } else if ((!empty($entry->modassoc) || !empty($modid)) && has_capability('moodle/blog:associatemodule', $sitecontext)) {
92 if (!empty($modid)) {
93 $mod = get_coursemodule_from_id(false, $modid);
e463f508 94 $a = new stdClass();
1c7b8b93
NC
95 $a->modtype = get_string('modulename', $mod->modname);
96 $a->modname = $mod->name;
41b38360 97 $context = context_module::instance($modid);
1c7b8b93 98 } else {
41b38360 99 $context = context::instance_by_id($entry->modassoc);
1c7b8b93 100 $cm = $DB->get_record('course_modules', array('id' => $context->instanceid));
e463f508 101 $a = new stdClass();
1c7b8b93
NC
102 $a->modtype = $DB->get_field('modules', 'name', array('id' => $cm->module));
103 $a->modname = $DB->get_field($a->modtype, 'name', array('id' => $cm->instance));
432a6880 104 $modid = $context->instanceid;
cae83708 105 }
cae83708 106
1c7b8b93
NC
107 $mform->addElement('header', 'assochdr', get_string('associations', 'blog'));
108 $mform->addElement('advcheckbox', 'modassoc', get_string('associatewithmodule', 'blog', $a), null, null, array(0, $context->id));
109 $mform->setDefault('modassoc', $context->id);
110 }
cae83708 111 }
112
f07b9627 113 $this->add_action_buttons();
f07b9627 114 $mform->addElement('hidden', 'action');
405aca35 115 $mform->setType('action', PARAM_ALPHANUMEXT);
2ee60b49 116 $mform->setDefault('action', '');
117
0a941490 118 $mform->addElement('hidden', 'entryid');
119 $mform->setType('entryid', PARAM_INT);
1c7b8b93 120 $mform->setDefault('entryid', $entry->id);
2ee60b49 121
cae83708 122 $mform->addElement('hidden', 'modid');
123 $mform->setType('modid', PARAM_INT);
1c7b8b93 124 $mform->setDefault('modid', $modid);
cae83708 125
126 $mform->addElement('hidden', 'courseid');
127 $mform->setType('courseid', PARAM_INT);
1c7b8b93 128 $mform->setDefault('courseid', $courseid);
cae83708 129 }
130
131 function validation($data, $files) {
132 global $CFG, $DB, $USER;
133
134 $errors = array();
41b38360 135 $sitecontext = context_system::instance();
cae83708 136
1c7b8b93
NC
137 // validate course association
138 if (!empty($data['courseassoc']) && has_capability('moodle/blog:associatecourse', $sitecontext)) {
ff53a58b 139 $coursecontext = context::instance_by_id($data['courseassoc'], IGNORE_MISSING);
cae83708 140
ff53a58b 141 if ($coursecontext and $coursecontext->contextlevel == CONTEXT_COURSE) {
4f0c2d00 142 if (!is_enrolled($coursecontext) and !is_viewing($coursecontext)) {
cae83708 143 $errors['courseassoc'] = get_string('studentnotallowed', '', fullname($USER, true));
144 }
145 } else {
ff53a58b 146 $errors['courseassoc'] = get_string('error');
cae83708 147 }
148 }
149
1c7b8b93 150 // validate mod association
cae83708 151 if (!empty($data['modassoc'])) {
1c7b8b93 152 $modcontextid = $data['modassoc'];
ff53a58b 153 $modcontext = context::instance_by_id($modcontextid, IGNORE_MISSING);
cae83708 154
ff53a58b 155 if ($modcontext and $modcontext->contextlevel == CONTEXT_MODULE) {
1c7b8b93 156 // get context of the mod's course
ff53a58b 157 $coursecontext = $modcontext->get_course_context(true);
1c7b8b93
NC
158
159 // ensure only one course is associated
160 if (!empty($data['courseassoc'])) {
161 if ($data['courseassoc'] != $coursecontext->id) {
162 $errors['modassoc'] = get_string('onlyassociateonecourse', 'blog');
cae83708 163 }
164 } else {
1c7b8b93
NC
165 $data['courseassoc'] = $coursecontext->id;
166 }
167
168 // ensure the user has access to each mod's course
4f0c2d00 169 if (!is_enrolled($modcontext) and !is_viewing($modcontext)) {
1c7b8b93 170 $errors['modassoc'] = get_string('studentnotallowed', '', fullname($USER, true));
cae83708 171 }
1c7b8b93 172 } else {
ff53a58b 173 $errors['modassoc'] = get_string('error');
cae83708 174 }
175 }
176
177 if ($errors) {
178 return $errors;
179 }
180 return true;
2ee60b49 181 }
f07b9627 182}