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   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_imscp
  21   * @copyright  2009 Petr Skoda  {@link http://skodak.org}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  require_once($CFG->dirroot.'/course/moodleform_mod.php');
  28  require_once($CFG->libdir.'/filelib.php');
  29  
  30  /**
  31   * IMS CP configuration form
  32   *
  33   * @package mod_imscp
  34   * @copyright  2009 Petr Skoda  {@link http://skodak.org}
  35   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36   */
  37  class mod_imscp_mod_form extends moodleform_mod {
  38      /**
  39       * Define the form - called by parent constructor
  40       */
  41      public function definition() {
  42          global $CFG, $DB;
  43          $mform = $this->_form;
  44  
  45          $config = get_config('imscp');
  46  
  47          // Title and description.
  48          $mform->addElement('header', 'general', get_string('general', 'form'));
  49          $mform->addElement('text', 'name', get_string('name'), array('size' => '48'));
  50          if (!empty($CFG->formatstringstriptags)) {
  51              $mform->setType('name', PARAM_TEXT);
  52          } else {
  53              $mform->setType('name', PARAM_CLEANHTML);
  54          }
  55          $mform->addRule('name', null, 'required', null, 'client');
  56          $mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
  57          $this->standard_intro_elements();
  58  
  59          // IMS-CP file upload.
  60          $mform->addElement('header', 'content', get_string('contentheader', 'imscp'));
  61          $mform->setExpanded('content', true);
  62          $mform->addElement('filepicker', 'package', get_string('packagefile', 'imscp'));
  63  
  64          $options = array('-1' => get_string('all'), '0' => get_string('no'),
  65                           '1' => '1', '2' => '2', '5' => '5', '10' => '10', '20' => '20');
  66          $mform->addElement('select', 'keepold', get_string('keepold', 'imscp'), $options);
  67          $mform->setDefault('keepold', $config->keepold);
  68          $mform->setAdvanced('keepold', $config->keepold_adv);
  69  
  70          $this->standard_coursemodule_elements();
  71  
  72          $this->add_action_buttons();
  73      }
  74  
  75      /**
  76       * Perform minimal validation on the settings form
  77       * @param array $data
  78       * @param array $files
  79       */
  80      public function validation($data, $files) {
  81          global $USER;
  82  
  83          if ($errors = parent::validation($data, $files)) {
  84              return $errors;
  85          }
  86  
  87          $usercontext = context_user::instance($USER->id);
  88          $fs = get_file_storage();
  89  
  90          if (!$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $data['package'], 'id', false)) {
  91              if (!$this->current->instance) {
  92                  $errors['package'] = get_string('required');
  93                  return $errors;
  94              }
  95          } else {
  96              $file = reset($files);
  97              if ($file->get_mimetype() != 'application/zip') {
  98                  $errors['package'] = get_string('invalidfiletype', 'error', '', $file);
  99                  // Better delete current file, it is not usable anyway.
 100                  $fs->delete_area_files($usercontext->id, 'user', 'draft', $data['package']);
 101              }
 102          }
 103  
 104          return $errors;
 105      }
 106  }