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Differences Between: [Versions 310 and 400] [Versions 310 and 401] [Versions 310 and 402] [Versions 310 and 403]

   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   * Edit book chapter
  19   *
  20   * @package    mod_book
  21   * @copyright  2004-2011 Petr Skoda {@link http://skodak.org}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require(__DIR__.'/../../config.php');
  26  require_once (__DIR__.'/locallib.php');
  27  require_once (__DIR__.'/edit_form.php');
  28  
  29  $cmid       = required_param('cmid', PARAM_INT);  // Book Course Module ID
  30  $chapterid  = optional_param('id', 0, PARAM_INT); // Chapter ID
  31  $pagenum    = optional_param('pagenum', 0, PARAM_INT);
  32  $subchapter = optional_param('subchapter', 0, PARAM_BOOL);
  33  
  34  $cm = get_coursemodule_from_id('book', $cmid, 0, false, MUST_EXIST);
  35  $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
  36  $book = $DB->get_record('book', array('id'=>$cm->instance), '*', MUST_EXIST);
  37  
  38  require_login($course, false, $cm);
  39  
  40  $context = context_module::instance($cm->id);
  41  require_capability('mod/book:edit', $context);
  42  
  43  $PAGE->set_url('/mod/book/edit.php', array('cmid'=>$cmid, 'id'=>$chapterid, 'pagenum'=>$pagenum, 'subchapter'=>$subchapter));
  44  $PAGE->set_pagelayout('admin'); // TODO: Something. This is a bloody hack!
  45  
  46  if ($chapterid) {
  47      $chapter = $DB->get_record('book_chapters', array('id'=>$chapterid, 'bookid'=>$book->id), '*', MUST_EXIST);
  48      $chapter->tags = core_tag_tag::get_item_tags_array('mod_book', 'book_chapters', $chapter->id);
  49  } else {
  50      $chapter = new stdClass();
  51      $chapter->id         = null;
  52      $chapter->subchapter = $subchapter;
  53      $chapter->pagenum    = $pagenum + 1;
  54  }
  55  $chapter->cmid = $cm->id;
  56  
  57  // Get the previous page number.
  58  $prevpage = $chapter->pagenum - 1;
  59  if ($prevpage) {
  60      $currentchapter = $DB->get_record('book_chapters', ['pagenum' => $prevpage, 'bookid' => $book->id]);
  61      if ($currentchapter) {
  62          $chapter->currentchaptertitle = $currentchapter->title;
  63      }
  64  }
  65  
  66  $options = array('noclean'=>true, 'subdirs'=>true, 'maxfiles'=>-1, 'maxbytes'=>0, 'context'=>$context);
  67  $chapter = file_prepare_standard_editor($chapter, 'content', $options, $context, 'mod_book', 'chapter', $chapter->id);
  68  
  69  $mform = new book_chapter_edit_form(null, array('chapter'=>$chapter, 'options'=>$options));
  70  
  71  // If data submitted, then process and store.
  72  if ($mform->is_cancelled()) {
  73      // Make sure at least one chapter exists.
  74      $chapters = book_preload_chapters($book);
  75      if (!$chapters) {
  76          redirect(new moodle_url('/course/view.php', array('id' => $course->id))); // Back to course view.
  77      }
  78  
  79      if (empty($chapter->id)) {
  80          redirect("view.php?id=$cm->id");
  81      } else {
  82          redirect("view.php?id=$cm->id&chapterid=$chapter->id");
  83      }
  84  
  85  } else if ($data = $mform->get_data()) {
  86  
  87      if ($data->id) {
  88          // store the files
  89          $data->timemodified = time();
  90          $data = file_postupdate_standard_editor($data, 'content', $options, $context, 'mod_book', 'chapter', $data->id);
  91          $DB->update_record('book_chapters', $data);
  92          $DB->set_field('book', 'revision', $book->revision+1, array('id'=>$book->id));
  93          $chapter = $DB->get_record('book_chapters', array('id' => $data->id));
  94  
  95          core_tag_tag::set_item_tags('mod_book', 'book_chapters', $chapter->id, $context, $data->tags);
  96  
  97          \mod_book\event\chapter_updated::create_from_chapter($book, $context, $chapter)->trigger();
  98      } else {
  99          // adding new chapter
 100          $data->bookid        = $book->id;
 101          $data->hidden        = 0;
 102          $data->timecreated   = time();
 103          $data->timemodified  = time();
 104          $data->importsrc     = '';
 105          $data->content       = '';          // updated later
 106          $data->contentformat = FORMAT_HTML; // updated later
 107  
 108          // make room for new page
 109          $sql = "UPDATE {book_chapters}
 110                     SET pagenum = pagenum + 1
 111                   WHERE bookid = ? AND pagenum >= ?";
 112          $DB->execute($sql, array($book->id, $data->pagenum));
 113  
 114          $data->id = $DB->insert_record('book_chapters', $data);
 115  
 116          // store the files
 117          $data = file_postupdate_standard_editor($data, 'content', $options, $context, 'mod_book', 'chapter', $data->id);
 118          $DB->update_record('book_chapters', $data);
 119          $DB->set_field('book', 'revision', $book->revision+1, array('id'=>$book->id));
 120          $chapter = $DB->get_record('book_chapters', array('id' => $data->id));
 121  
 122          core_tag_tag::set_item_tags('mod_book', 'book_chapters', $chapter->id, $context, $data->tags);
 123  
 124          \mod_book\event\chapter_created::create_from_chapter($book, $context, $chapter)->trigger();
 125      }
 126  
 127      book_preload_chapters($book); // fix structure
 128      redirect("view.php?id=$cm->id&chapterid=$data->id");
 129  }
 130  
 131  // Otherwise fill and print the form.
 132  $PAGE->set_title($book->name);
 133  $PAGE->set_heading($course->fullname);
 134  
 135  if ($chapters = book_preload_chapters($book)) {
 136      book_add_fake_block($chapters, $chapter, $book, $cm);
 137  }
 138  
 139  echo $OUTPUT->header();
 140  echo $OUTPUT->heading(format_string($book->name));
 141  
 142  $mform->display();
 143  
 144  echo $OUTPUT->footer();