mod/assign/extensionform.php

   1 <?php
   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
  17 /**
  18  * This file contains the forms to create and edit an instance of this module
  19  *
  20  * @package   mod_assign
  21  * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
  26
  27
  28 require_once($CFG->libdir.'/formslib.php');
  29 require_once($CFG->dirroot . '/mod/assign/locallib.php');
  30
  31 /**
  32  * Assignment extension dates form
  33  *
  34  * @package   mod_assign
  35  * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
  36  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37  */
  38 class mod_assign_extension_form extends moodleform {
  39     /** @var array $instance - The data passed to this form */
  40     private $instance;
  41
  42     /**
  43      * Define the form - called by parent constructor
  44      */
  45     public function definition() {
  46         global $DB;
  47
  48         $mform = $this->_form;
  49         $params = $this->_customdata;
  50
  51         // Instance variable is used by the form validation function.
  52         $instance = $params['instance'];
  53         $this->instance = $instance;
  54
  55         // Get the assignment class.
  56         $assign = $params['assign'];
  57         $userlist = $params['userlist'];
  58         $usercount = 0;
  59         $usershtml = '';
  60
  61         $extrauserfields = get_extra_user_fields($assign->get_context());
  62         foreach ($userlist as $userid) {
  63             if ($usercount >= 5) {
  64                 $usershtml .= get_string('moreusers', 'assign', count($userlist) - 5);
  65                 break;
  66             }
  67             $user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
  68
  69             $usershtml .= $assign->get_renderer()->render(new assign_user_summary($user,
  70                                                                     $assign->get_course()->id,
  71                                                                     has_capability('moodle/site:viewfullnames',
  72                                                                     $assign->get_course_context()),
  73                                                                     $assign->is_blind_marking(),
  74                                                                     $assign->get_uniqueid_for_user($user->id),
  75                                                                     $extrauserfields,
  76                                                                     !$assign->is_active_user($userid)));
  77                 $usercount += 1;
  78         }
  79
  80         $userscount = count($userlist);
  81
  82         $listusersmessage = get_string('grantextensionforusers', 'assign', $userscount);
  83         $mform->addElement('header', 'general', $listusersmessage);
  84         $mform->addElement('static', 'userslist', get_string('selectedusers', 'assign'), $usershtml);
  85
  86         if ($instance->allowsubmissionsfromdate) {
  87             $mform->addElement('static', 'allowsubmissionsfromdate', get_string('allowsubmissionsfromdate', 'assign'),
  88                                userdate($instance->allowsubmissionsfromdate));
  89         }
  90
  91         $finaldate = 0;
  92         if ($instance->duedate) {
  93             $mform->addElement('static', 'duedate', get_string('duedate', 'assign'), userdate($instance->duedate));
  94             $finaldate = $instance->duedate;
  95         }
  96         if ($instance->cutoffdate) {
  97             $mform->addElement('static', 'cutoffdate', get_string('cutoffdate', 'assign'), userdate($instance->cutoffdate));
  98             $finaldate = $instance->cutoffdate;
  99         }
 100         $mform->addElement('date_time_selector', 'extensionduedate',
 101                            get_string('extensionduedate', 'assign'), array('optional'=>true));
 102         $mform->setDefault('extensionduedate', $finaldate);
 103
 104         $mform->addElement('hidden', 'id');
 105         $mform->setType('id', PARAM_INT);
 106         $mform->addElement('hidden', 'userid');
 107         $mform->setType('userid', PARAM_INT);
 108         $mform->addElement('hidden', 'selectedusers');
 109         $mform->setType('selectedusers', PARAM_SEQUENCE);
 110         $mform->addElement('hidden', 'action', 'saveextension');
 111         $mform->setType('action', PARAM_ALPHA);
 112
 113         $this->add_action_buttons(true, get_string('savechanges', 'assign'));
 114     }
 115
 116     /**
 117      * Perform validation on the extension form
 118      * @param array $data
 119      * @param array $files
 120      */
 121     public function validation($data, $files) {
 122         $errors = parent::validation($data, $files);
 123         if ($this->instance->duedate && $data['extensionduedate']) {
 124             if ($this->instance->duedate > $data['extensionduedate']) {
 125                 $errors['extensionduedate'] = get_string('extensionnotafterduedate', 'assign');
 126             }
 127         }
 128         if ($this->instance->allowsubmissionsfromdate && $data['extensionduedate']) {
 129             if ($this->instance->allowsubmissionsfromdate > $data['extensionduedate']) {
 130                 $errors['extensionduedate'] = get_string('extensionnotafterfromdate', 'assign');
 131             }
 132         }
 133
 134         return $errors;
 135     }
 136 }