mod/forum/post_form.php

   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/>.
  17
  18 /**
  19  * @package mod-forum
  20  * @copyright Jamie Pratt <me@jamiep.org>
  21  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  */
  23
  24 if (!defined('MOODLE_INTERNAL')) {
  25     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
  26 }
  27
  28 require_once($CFG->libdir.'/formslib.php');
  29
  30 class mod_forum_post_form extends moodleform {
  31
  32     function definition() {
  33
  34         global $CFG;
  35         $mform    =& $this->_form;
  36
  37         $course        = $this->_customdata['course'];
  38         $cm            = $this->_customdata['cm'];
  39         $coursecontext = $this->_customdata['coursecontext'];
  40         $modcontext    = $this->_customdata['modcontext'];
  41         $forum         = $this->_customdata['forum'];
  42         $post          = $this->_customdata['post'];
  43         // if $forum->maxbytes == '0' means we should use $course->maxbytes
  44         if ($forum->maxbytes == '0') {
  45             $forum->maxbytes = $course->maxbytes;
  46         }
  47         // TODO: add max files and max size support
  48         $editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'trusttext'=>true, 'context'=>$modcontext);
  49
  50         $mform->addElement('header', 'general', '');//fill in the data depending on page params later using set_data
  51         $mform->addElement('text', 'subject', get_string('subject', 'forum'), 'size="48"');
  52         $mform->setType('subject', PARAM_TEXT);
  53         $mform->addRule('subject', get_string('required'), 'required', null, 'client');
  54         $mform->addRule('subject', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
  55
  56         $mform->addElement('editor', 'message', get_string('message', 'forum'), null, $editoroptions);
  57         $mform->setType('message', PARAM_RAW);
  58         $mform->addRule('message', get_string('required'), 'required', null, 'client');
  59
  60         if (isset($forum->id) && forum_is_forcesubscribed($forum)) {
  61
  62             $mform->addElement('static', 'subscribemessage', get_string('subscription', 'forum'), get_string('everyoneissubscribed', 'forum'));
  63             $mform->addElement('hidden', 'subscribe');
  64             $mform->setType('subscribe', PARAM_INT);
  65             $mform->addHelpButton('subscribemessage', 'subscription', 'forum');
  66
  67         } else if (isset($forum->forcesubscribe)&& $forum->forcesubscribe != FORUM_DISALLOWSUBSCRIBE ||
  68                    has_capability('moodle/course:manageactivities', $coursecontext)) {
  69
  70                 $options = array();
  71                 $options[0] = get_string('subscribestop', 'forum');
  72                 $options[1] = get_string('subscribestart', 'forum');
  73
  74                 $mform->addElement('select', 'subscribe', get_string('subscription', 'forum'), $options);
  75                 $mform->addHelpButton('subscribe', 'subscription', 'forum');
  76             } else if ($forum->forcesubscribe == FORUM_DISALLOWSUBSCRIBE) {
  77                 $mform->addElement('static', 'subscribemessage', get_string('subscription', 'forum'), get_string('disallowsubscribe', 'forum'));
  78                 $mform->addElement('hidden', 'subscribe');
  79                 $mform->setType('subscribe', PARAM_INT);
  80                 $mform->addHelpButton('subscribemessage', 'subscription', 'forum');
  81             }
  82
  83         if (!empty($forum->maxattachments) && $forum->maxbytes != 1 && has_capability('mod/forum:createattachment', $modcontext))  {  //  1 = No attachments at all
  84             $mform->addElement('filemanager', 'attachments', get_string('attachment', 'forum'), null,
  85                 array('subdirs'=>0,
  86                       'maxbytes'=>$forum->maxbytes,
  87                       'maxfiles'=>$forum->maxattachments,
  88                       'accepted_types'=>'*',
  89                       'return_types'=>FILE_INTERNAL));
  90             $mform->addHelpButton('attachments', 'attachment', 'forum');
  91         }
  92
  93         if (empty($post->id) && has_capability('moodle/course:manageactivities', $coursecontext)) { // hack alert
  94             $mform->addElement('checkbox', 'mailnow', get_string('mailnow', 'forum'));
  95         }
  96
  97         if (!empty($CFG->forum_enabletimedposts) && !$post->parent && has_capability('mod/forum:viewhiddentimedposts', $coursecontext)) { // hack alert
  98             $mform->addElement('header', '', get_string('displayperiod', 'forum'));
  99
 100             $mform->addElement('date_selector', 'timestart', get_string('displaystart', 'forum'), array('optional'=>true));
 101             $mform->addHelpButton('timestart', 'displaystart', 'forum');
 102
 103             $mform->addElement('date_selector', 'timeend', get_string('displayend', 'forum'), array('optional'=>true));
 104             $mform->addHelpButton('timeend', 'displayend', 'forum');
 105
 106         } else {
 107             $mform->addElement('hidden', 'timestart');
 108             $mform->setType('timestart', PARAM_INT);
 109             $mform->addElement('hidden', 'timeend');
 110             $mform->setType('timeend', PARAM_INT);
 111             $mform->setConstants(array('timestart'=> 0, 'timeend'=>0));
 112         }
 113
 114         if (groups_get_activity_groupmode($cm, $course)) { // hack alert
 115             if (empty($post->groupid)) {
 116                 $groupname = get_string('allparticipants');
 117             } else {
 118                 $group = groups_get_group($post->groupid);
 119                 $groupname = format_string($group->name);
 120             }
 121             $mform->addElement('static', 'groupinfo', get_string('group'), $groupname);
 122         }
 123
 124         //-------------------------------------------------------------------------------
 125         // buttons
 126         if (isset($post->edit)) { // hack alert
 127             $submit_string = get_string('savechanges');
 128         } else {
 129             $submit_string = get_string('posttoforum', 'forum');
 130         }
 131         $this->add_action_buttons(false, $submit_string);
 132
 133         $mform->addElement('hidden', 'course');
 134         $mform->setType('course', PARAM_INT);
 135
 136         $mform->addElement('hidden', 'forum');
 137         $mform->setType('forum', PARAM_INT);
 138
 139         $mform->addElement('hidden', 'discussion');
 140         $mform->setType('discussion', PARAM_INT);
 141
 142         $mform->addElement('hidden', 'parent');
 143         $mform->setType('parent', PARAM_INT);
 144
 145         $mform->addElement('hidden', 'userid');
 146         $mform->setType('userid', PARAM_INT);
 147
 148         $mform->addElement('hidden', 'groupid');
 149         $mform->setType('groupid', PARAM_INT);
 150
 151         $mform->addElement('hidden', 'edit');
 152         $mform->setType('edit', PARAM_INT);
 153
 154         $mform->addElement('hidden', 'reply');
 155         $mform->setType('reply', PARAM_INT);
 156     }
 157
 158     function validation($data, $files) {
 159         $errors = parent::validation($data, $files);
 160         if (($data['timeend']!=0) && ($data['timestart']!=0) && $data['timeend'] <= $data['timestart']) {
 161             $errors['timeend'] = get_string('timestartenderror', 'forum');
 162         }
 163         if (empty($data['message']['text'])) {
 164             $errors['message'] = get_string('erroremptymessage', 'forum');
 165         }
 166         if (empty($data['subject'])) {
 167             $errors['subject'] = get_string('erroremptysubject', 'forum');
 168         }
 169         return $errors;
 170     }
 171 }
 172