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   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   * Resource configuration form
  20   *
  21   * @package    mod_resource
  22   * @copyright  2009 Petr Skoda  {@link http://skodak.org}
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  defined('MOODLE_INTERNAL') || die;
  27  
  28  require_once($CFG->dirroot.'/course/moodleform_mod.php');
  29  require_once($CFG->dirroot.'/mod/resource/locallib.php');
  30  require_once($CFG->libdir.'/filelib.php');
  31  
  32  class mod_resource_mod_form extends moodleform_mod {
  33      function definition() {
  34          global $CFG, $DB;
  35          $mform =& $this->_form;
  36  
  37          $config = get_config('resource');
  38  
  39          if ($this->current->instance and $this->current->tobemigrated) {
  40              // resource not migrated yet
  41              $resource_old = $DB->get_record('resource_old', array('oldid'=>$this->current->instance));
  42              $mform->addElement('static', 'warning', '', get_string('notmigrated', 'resource', $resource_old->type));
  43              $mform->addElement('cancel');
  44              $this->standard_hidden_coursemodule_elements();
  45              return;
  46          }
  47  
  48          //-------------------------------------------------------
  49          $mform->addElement('header', 'general', get_string('general', 'form'));
  50          $mform->addElement('text', 'name', get_string('name'), array('size'=>'48'));
  51          if (!empty($CFG->formatstringstriptags)) {
  52              $mform->setType('name', PARAM_TEXT);
  53          } else {
  54              $mform->setType('name', PARAM_CLEANHTML);
  55          }
  56          $mform->addRule('name', null, 'required', null, 'client');
  57          $mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
  58          $this->standard_intro_elements();
  59          $element = $mform->getElement('introeditor');
  60          $attributes = $element->getAttributes();
  61          $attributes['rows'] = 5;
  62          $element->setAttributes($attributes);
  63          $filemanager_options = array();
  64          $filemanager_options['accepted_types'] = '*';
  65          $filemanager_options['maxbytes'] = 0;
  66          $filemanager_options['maxfiles'] = -1;
  67          $filemanager_options['mainfile'] = true;
  68  
  69          $mform->addElement('filemanager', 'files', get_string('selectfiles'), null, $filemanager_options);
  70  
  71          // add legacy files flag only if used
  72          if (isset($this->current->legacyfiles) and $this->current->legacyfiles != RESOURCELIB_LEGACYFILES_NO) {
  73              $options = array(RESOURCELIB_LEGACYFILES_DONE   => get_string('legacyfilesdone', 'resource'),
  74                               RESOURCELIB_LEGACYFILES_ACTIVE => get_string('legacyfilesactive', 'resource'));
  75              $mform->addElement('select', 'legacyfiles', get_string('legacyfiles', 'resource'), $options);
  76          }
  77  
  78          //-------------------------------------------------------
  79          $mform->addElement('header', 'optionssection', get_string('appearance'));
  80  
  81          if ($this->current->instance) {
  82              $options = resourcelib_get_displayoptions(explode(',', $config->displayoptions), $this->current->display);
  83          } else {
  84              $options = resourcelib_get_displayoptions(explode(',', $config->displayoptions));
  85          }
  86  
  87          if (count($options) == 1) {
  88              $mform->addElement('hidden', 'display');
  89              $mform->setType('display', PARAM_INT);
  90              reset($options);
  91              $mform->setDefault('display', key($options));
  92          } else {
  93              $mform->addElement('select', 'display', get_string('displayselect', 'resource'), $options);
  94              $mform->setDefault('display', $config->display);
  95              $mform->addHelpButton('display', 'displayselect', 'resource');
  96          }
  97  
  98          $mform->addElement('checkbox', 'showsize', get_string('showsize', 'resource'));
  99          $mform->setDefault('showsize', $config->showsize);
 100          $mform->addHelpButton('showsize', 'showsize', 'resource');
 101          $mform->addElement('checkbox', 'showtype', get_string('showtype', 'resource'));
 102          $mform->setDefault('showtype', $config->showtype);
 103          $mform->addHelpButton('showtype', 'showtype', 'resource');
 104          $mform->addElement('checkbox', 'showdate', get_string('showdate', 'resource'));
 105          $mform->setDefault('showdate', $config->showdate);
 106          $mform->addHelpButton('showdate', 'showdate', 'resource');
 107  
 108          if (array_key_exists(RESOURCELIB_DISPLAY_POPUP, $options)) {
 109              $mform->addElement('text', 'popupwidth', get_string('popupwidth', 'resource'), array('size'=>3));
 110              if (count($options) > 1) {
 111                  $mform->hideIf('popupwidth', 'display', 'noteq', RESOURCELIB_DISPLAY_POPUP);
 112              }
 113              $mform->setType('popupwidth', PARAM_INT);
 114              $mform->setDefault('popupwidth', $config->popupwidth);
 115              $mform->setAdvanced('popupwidth', true);
 116  
 117              $mform->addElement('text', 'popupheight', get_string('popupheight', 'resource'), array('size'=>3));
 118              if (count($options) > 1) {
 119                  $mform->hideIf('popupheight', 'display', 'noteq', RESOURCELIB_DISPLAY_POPUP);
 120              }
 121              $mform->setType('popupheight', PARAM_INT);
 122              $mform->setDefault('popupheight', $config->popupheight);
 123              $mform->setAdvanced('popupheight', true);
 124          }
 125  
 126          if (array_key_exists(RESOURCELIB_DISPLAY_AUTO, $options) or
 127            array_key_exists(RESOURCELIB_DISPLAY_EMBED, $options) or
 128            array_key_exists(RESOURCELIB_DISPLAY_FRAME, $options)) {
 129              $mform->addElement('checkbox', 'printintro', get_string('printintro', 'resource'));
 130              $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_POPUP);
 131              $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_DOWNLOAD);
 132              $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_OPEN);
 133              $mform->hideIf('printintro', 'display', 'eq', RESOURCELIB_DISPLAY_NEW);
 134              $mform->setDefault('printintro', $config->printintro);
 135          }
 136  
 137          $options = array('0' => get_string('none'), '1' => get_string('allfiles'), '2' => get_string('htmlfilesonly'));
 138          $mform->addElement('select', 'filterfiles', get_string('filterfiles', 'resource'), $options);
 139          $mform->setDefault('filterfiles', $config->filterfiles);
 140          $mform->setAdvanced('filterfiles', true);
 141  
 142          //-------------------------------------------------------
 143          $this->standard_coursemodule_elements();
 144  
 145          //-------------------------------------------------------
 146          $this->add_action_buttons();
 147  
 148          //-------------------------------------------------------
 149          $mform->addElement('hidden', 'revision');
 150          $mform->setType('revision', PARAM_INT);
 151          $mform->setDefault('revision', 1);
 152      }
 153  
 154      function data_preprocessing(&$default_values) {
 155          if ($this->current->instance and !$this->current->tobemigrated) {
 156              $draftitemid = file_get_submitted_draft_itemid('files');
 157              file_prepare_draft_area($draftitemid, $this->context->id, 'mod_resource', 'content', 0, array('subdirs'=>true));
 158              $default_values['files'] = $draftitemid;
 159          }
 160          if (!empty($default_values['displayoptions'])) {
 161              $displayoptions = (array) unserialize_array($default_values['displayoptions']);
 162              if (isset($displayoptions['printintro'])) {
 163                  $default_values['printintro'] = $displayoptions['printintro'];
 164              }
 165              if (!empty($displayoptions['popupwidth'])) {
 166                  $default_values['popupwidth'] = $displayoptions['popupwidth'];
 167              }
 168              if (!empty($displayoptions['popupheight'])) {
 169                  $default_values['popupheight'] = $displayoptions['popupheight'];
 170              }
 171              if (!empty($displayoptions['showsize'])) {
 172                  $default_values['showsize'] = $displayoptions['showsize'];
 173              } else {
 174                  // Must set explicitly to 0 here otherwise it will use system
 175                  // default which may be 1.
 176                  $default_values['showsize'] = 0;
 177              }
 178              if (!empty($displayoptions['showtype'])) {
 179                  $default_values['showtype'] = $displayoptions['showtype'];
 180              } else {
 181                  $default_values['showtype'] = 0;
 182              }
 183              if (!empty($displayoptions['showdate'])) {
 184                  $default_values['showdate'] = $displayoptions['showdate'];
 185              } else {
 186                  $default_values['showdate'] = 0;
 187              }
 188          }
 189      }
 190  
 191      function definition_after_data() {
 192          if ($this->current->instance and $this->current->tobemigrated) {
 193              // resource not migrated yet
 194              return;
 195          }
 196  
 197          parent::definition_after_data();
 198      }
 199  
 200      function validation($data, $files) {
 201          global $USER;
 202  
 203          $errors = parent::validation($data, $files);
 204  
 205          $usercontext = context_user::instance($USER->id);
 206          $fs = get_file_storage();
 207          if (!$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $data['files'], 'sortorder, id', false)) {
 208              $errors['files'] = get_string('required');
 209              return $errors;
 210          }
 211          if (count($files) == 1) {
 212              // no need to select main file if only one picked
 213              return $errors;
 214          } else if(count($files) > 1) {
 215              $mainfile = false;
 216              foreach($files as $file) {
 217                  if ($file->get_sortorder() == 1) {
 218                      $mainfile = true;
 219                      break;
 220                  }
 221              }
 222              // set a default main file
 223              if (!$mainfile) {
 224                  $file = reset($files);
 225                  file_set_sortorder($file->get_contextid(), $file->get_component(), $file->get_filearea(), $file->get_itemid(),
 226                                     $file->get_filepath(), $file->get_filename(), 1);
 227              }
 228          }
 229          return $errors;
 230      }
 231  }