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         $mform = $this->_form;
  47
  48         list($coursemoduleid, $userid, $batchusers, $instance, $data) = $this->_customdata;
  49         // Instance variable is used by the form validation function.
  50         $this->instance = $instance;
  51
  52         if ($batchusers) {
  53             $listusersmessage = get_string('grantextensionforusers', 'assign', count(explode(',', $batchusers)));
  54             $mform->addElement('static', 'applytoselectedusers', '', $listusersmessage);
  55         }
  56         if ($instance->allowsubmissionsfromdate) {
  57             $mform->addElement('static', 'allowsubmissionsfromdate', get_string('allowsubmissionsfromdate', 'assign'),
  58                                userdate($instance->allowsubmissionsfromdate));
  59         }
  60         if ($instance->duedate) {
  61             $mform->addElement('static', 'duedate', get_string('duedate', 'assign'), userdate($instance->duedate));
  62             $finaldate = $instance->duedate;
  63         }
  64         if ($instance->cutoffdate) {
  65             $mform->addElement('static', 'cutoffdate', get_string('cutoffdate', 'assign'), userdate($instance->cutoffdate));
  66             $finaldate = $instance->cutoffdate;
  67         }
  68         $mform->addElement('date_time_selector', 'extensionduedate',
  69                            get_string('extensionduedate', 'assign'), array('optional'=>true));
  70         $mform->setDefault('extensionduedate', $finaldate);
  71         $mform->addElement('hidden', 'id', $coursemoduleid);
  72         $mform->setType('id', PARAM_INT);
  73         $mform->addElement('hidden', 'userid', $userid);
  74         $mform->setType('userid', PARAM_INT);
  75         $mform->addElement('hidden', 'selectedusers', $batchusers);
  76         $mform->setType('selectedusers', PARAM_SEQUENCE);
  77         $mform->addElement('hidden', 'action', 'saveextension');
  78         $mform->setType('action', PARAM_ALPHA);
  79         $this->add_action_buttons(true, get_string('savechanges', 'assign'));
  80
  81         if ($data) {
  82             $this->set_data($data);
  83         }
  84     }
  85
  86     /**
  87      * Perform validation on the extension form
  88      * @param array $data
  89      * @param array $files
  90      */
  91     public function validation($data, $files) {
  92         $errors = parent::validation($data, $files);
  93         if ($this->instance->duedate && $data['extensionduedate']) {
  94             if ($this->instance->duedate > $data['extensionduedate']) {
  95                 $errors['extensionduedate'] = get_string('extensionnotafterduedate', 'assign');
  96             }
  97         }
  98         if ($this->instance->allowsubmissionsfromdate && $data['extensionduedate']) {
  99             if ($this->instance->allowsubmissionsfromdate > $data['extensionduedate']) {
 100                 $errors['extensionduedate'] = get_string('extensionnotafterfromdate', 'assign');
 101             }
 102         }
 103
 104         return $errors;
 105     }
 106 }