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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   * Chapter edit form
  19   *
  20   * @package    mod_book
  21   * @copyright  2004-2010 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->libdir.'/formslib.php');
  28  
  29  class book_chapter_edit_form extends moodleform {
  30  
  31      function definition() {
  32          global $CFG;
  33  
  34          $chapter = $this->_customdata['chapter'];
  35          $options = $this->_customdata['options'];
  36  
  37          // Disabled subchapter option when editing first node.
  38          $disabledmsg = null;
  39          if ($chapter->pagenum == 1) {
  40              $disabledmsg = get_string('subchapternotice', 'book');
  41          }
  42  
  43          $mform = $this->_form;
  44  
  45          if (!empty($chapter->id)) {
  46              $mform->addElement('header', 'general', get_string('editingchapter', 'mod_book'));
  47          } else {
  48              $mform->addElement('header', 'general', get_string('addafter', 'mod_book'));
  49          }
  50  
  51          $mform->addElement('text', 'title', get_string('chaptertitle', 'mod_book'), array('size'=>'30'));
  52          $mform->setType('title', PARAM_RAW);
  53          $mform->addRule('title', null, 'required', null, 'client');
  54  
  55          $mform->addElement('advcheckbox', 'subchapter', get_string('subchapter', 'mod_book'), $disabledmsg);
  56  
  57          $mform->addElement('editor', 'content_editor', get_string('content', 'mod_book'), null, $options);
  58          $mform->setType('content_editor', PARAM_RAW);
  59          $mform->addRule('content_editor', get_string('required'), 'required', null, 'client');
  60  
  61          $mform->addElement('hidden', 'id');
  62          $mform->setType('id', PARAM_INT);
  63  
  64          $mform->addElement('hidden', 'cmid');
  65          $mform->setType('cmid', PARAM_INT);
  66  
  67          $mform->addElement('hidden', 'pagenum');
  68          $mform->setType('pagenum', PARAM_INT);
  69  
  70          $this->add_action_buttons(true);
  71  
  72          // set the defaults
  73          $this->set_data($chapter);
  74      }
  75  
  76      function definition_after_data(){
  77          $mform = $this->_form;
  78          $pagenum = $mform->getElement('pagenum');
  79          if ($pagenum->getValue() == 1) {
  80              $mform->hardFreeze('subchapter');
  81          }
  82      }
  83  }