blog/edit_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 if (!defined('MOODLE_INTERNAL')) {
  19     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
  20 }
  21
  22 require_once($CFG->libdir.'/formslib.php');
  23
  24 class blog_edit_form extends moodleform {
  25     public $modnames = array();
  26
  27     function definition() {
  28         global $CFG, $DB;
  29
  30         $mform =& $this->_form;
  31
  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'];
  37         $sitecontext = $this->_customdata['sitecontext'];
  38
  39         $mform->addElement('header', 'general', get_string('general', 'form'));
  40
  41         $mform->addElement('text', 'subject', get_string('entrytitle', 'blog'), array('size' => 60, 'maxlength' => 128));
  42         $mform->addElement('editor', 'summary_editor', get_string('entrybody', 'blog'), null, $summaryoptions);
  43
  44         $mform->setType('subject', PARAM_TEXT);
  45         $mform->addRule('subject', get_string('emptytitle', 'blog'), 'required', null, 'client');
  46         $mform->addRule('subject', get_string('maximumchars', '', 128), 'maxlength', 128, 'client');
  47
  48         $mform->setType('summary_editor', PARAM_RAW);
  49         $mform->addRule('summary_editor', get_string('emptybody', 'blog'), 'required', null, 'client');
  50
  51         $mform->addElement('filemanager', 'attachment_filemanager', get_string('attachment', 'forum'), null, $attachmentoptions);
  52
  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) {
  58             $publishstates[$state] = $desc;   //no maximum was set
  59             $i++;
  60         }
  61
  62         $mform->addElement('select', 'publishstate', get_string('publishto', 'blog'), $publishstates);
  63         $mform->addHelpButton('publishstate', 'publishto', 'blog');
  64         $mform->setDefault('publishstate', 0);
  65
  66         if (!empty($CFG->usetags)) {
  67             $mform->addElement('header', 'tagshdr', get_string('tags', 'tag'));
  68             $mform->addElement('tags', 'tags', get_string('tags'));
  69         }
  70
  71         $allmodnames = array();
  72
  73         if (!empty($CFG->useblogassociations)) {
  74             if ((!empty($entry->courseassoc) || (!empty($courseid) && empty($modid)))) {
  75                 if (!empty($courseid)) {
  76                     $course = $DB->get_record('course', array('id' => $courseid));
  77                     $context = context_course::instance($courseid);
  78                     $a = new stdClass();
  79                     $a->coursename = format_string($course->fullname, true, array('context' => $context));
  80                     $contextid = $context->id;
  81                 } else {
  82                     $context = context::instance_by_id($entry->courseassoc);
  83                     $sql = 'SELECT fullname FROM {course} cr LEFT JOIN {context} ct ON ct.instanceid = cr.id WHERE ct.id = ?';
  84                     $a = new stdClass();
  85                     $a->coursename = $DB->get_field_sql($sql, array($entry->courseassoc));
  86                     $contextid = $entry->courseassoc;
  87                 }
  88
  89                 $mform->addElement('header', 'assochdr', get_string('associations', 'blog'));
  90                 $mform->addElement('advcheckbox', 'courseassoc', get_string('associatewithcourse', 'blog', $a), null, null, array(0, $contextid));
  91                 $mform->setDefault('courseassoc', $contextid);
  92
  93             } else if ((!empty($entry->modassoc) || !empty($modid))) {
  94                 if (!empty($modid)) {
  95                     $mod = get_coursemodule_from_id(false, $modid);
  96                     $a = new stdClass();
  97                     $a->modtype = get_string('modulename', $mod->modname);
  98                     $a->modname = $mod->name;
  99                     $context = context_module::instance($modid);
 100                 } else {
 101                     $context = context::instance_by_id($entry->modassoc);
 102                     $cm = $DB->get_record('course_modules', array('id' => $context->instanceid));
 103                     $a = new stdClass();
 104                     $a->modtype = $DB->get_field('modules', 'name', array('id' => $cm->module));
 105                     $a->modname = $DB->get_field($a->modtype, 'name', array('id' => $cm->instance));
 106                     $modid = $context->instanceid;
 107                 }
 108
 109                 $mform->addElement('header', 'assochdr', get_string('associations', 'blog'));
 110                 $mform->addElement('advcheckbox', 'modassoc', get_string('associatewithmodule', 'blog', $a), null, null, array(0, $context->id));
 111                 $mform->setDefault('modassoc', $context->id);
 112             }
 113         }
 114
 115         $this->add_action_buttons();
 116         $mform->addElement('hidden', 'action');
 117         $mform->setType('action', PARAM_ALPHANUMEXT);
 118         $mform->setDefault('action', '');
 119
 120         $mform->addElement('hidden', 'entryid');
 121         $mform->setType('entryid', PARAM_INT);
 122         $mform->setDefault('entryid', $entry->id);
 123
 124         $mform->addElement('hidden', 'modid');
 125         $mform->setType('modid', PARAM_INT);
 126         $mform->setDefault('modid', $modid);
 127
 128         $mform->addElement('hidden', 'courseid');
 129         $mform->setType('courseid', PARAM_INT);
 130         $mform->setDefault('courseid', $courseid);
 131     }
 132
 133     function validation($data, $files) {
 134         global $CFG, $DB, $USER;
 135
 136         $errors = array();
 137
 138         // validate course association
 139         if (!empty($data['courseassoc'])) {
 140             $coursecontext = context::instance_by_id($data['courseassoc']);
 141
 142             if ($coursecontext->contextlevel != CONTEXT_COURSE) {
 143                 $errors['courseassoc'] = get_string('error');
 144             }
 145         }
 146
 147         // validate mod association
 148         if (!empty($data['modassoc'])) {
 149             $modcontextid = $data['modassoc'];
 150             $modcontext = context::instance_by_id($modcontextid);
 151
 152             if ($modcontext->contextlevel == CONTEXT_MODULE) {
 153                 // get context of the mod's course
 154                 $coursecontext = $modcontext->get_course_context(true);
 155
 156                 // ensure only one course is associated
 157                 if (!empty($data['courseassoc'])) {
 158                     if ($data['courseassoc'] != $coursecontext->id) {
 159                         $errors['modassoc'] = get_string('onlyassociateonecourse', 'blog');
 160                     }
 161                 } else {
 162                     $data['courseassoc'] = $coursecontext->id;
 163                 }
 164             } else {
 165                 $errors['modassoc'] = get_string('error');
 166             }
 167         }
 168
 169         if ($errors) {
 170             return $errors;
 171         }
 172         return true;
 173     }
 174 }