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Differences Between: [Versions 310 and 400] [Versions 311 and 400] [Versions 39 and 400]

   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  $PAGE->add_body_class('limitedwidth');
  46  
  47  if ($chapterid) {
  48      $chapter = $DB->get_record('book_chapters', array('id'=>$chapterid, 'bookid'=>$book->id), '*', MUST_EXIST);
  49      $chapter->tags = core_tag_tag::get_item_tags_array('mod_book', 'book_chapters', $chapter->id);
  50  } else {
  51      $chapter = new stdClass();
  52      $chapter->id         = null;
  53      $chapter->subchapter = $subchapter;
  54      $chapter->pagenum    = $pagenum + 1;
  55  }
  56  $chapter->cmid = $cm->id;
  57  
  58  // Get the previous page number.
  59  $prevpage = $chapter->pagenum - 1;
  60  if ($prevpage) {
  61      $currentchapter = $DB->get_record('book_chapters', ['pagenum' => $prevpage, 'bookid' => $book->id]);
  62      if ($currentchapter) {
  63          $chapter->currentchaptertitle = $currentchapter->title;
  64      }
  65  }
  66  
  67  $options = array('noclean'=>true, 'subdirs'=>true, 'maxfiles'=>-1, 'maxbytes'=>0, 'context'=>$context);
  68  $chapter = file_prepare_standard_editor($chapter, 'content', $options, $context, 'mod_book', 'chapter', $chapter->id);
  69  
  70  $mform = new book_chapter_edit_form(null, array('chapter'=>$chapter, 'options'=>$options));
  71  
  72  // If data submitted, then process and store.
  73  if ($mform->is_cancelled()) {
  74      // Make sure at least one chapter exists.
  75      $chapters = book_preload_chapters($book);
  76      if (!$chapters) {
  77          redirect(new moodle_url('/course/view.php', array('id' => $course->id))); // Back to course view.
  78      }
  79  
  80      if (empty($chapter->id)) {
  81          redirect("view.php?id=$cm->id");
  82      } else {
  83          redirect("view.php?id=$cm->id&chapterid=$chapter->id");
  84      }
  85  
  86  } else if ($data = $mform->get_data()) {
  87  
  88      if ($data->id) {
  89          // store the files
  90          $data->timemodified = time();
  91          $data = file_postupdate_standard_editor($data, 'content', $options, $context, 'mod_book', 'chapter', $data->id);
  92          $DB->update_record('book_chapters', $data);
  93          $DB->set_field('book', 'revision', $book->revision+1, array('id'=>$book->id));
  94          $chapter = $DB->get_record('book_chapters', array('id' => $data->id));
  95  
  96          core_tag_tag::set_item_tags('mod_book', 'book_chapters', $chapter->id, $context, $data->tags);
  97  
  98          \mod_book\event\chapter_updated::create_from_chapter($book, $context, $chapter)->trigger();
  99      } else {
 100          // adding new chapter
 101          $data->bookid        = $book->id;
 102          $data->hidden        = 0;
 103          $data->timecreated   = time();
 104          $data->timemodified  = time();
 105          $data->importsrc     = '';
 106          $data->content       = '';          // updated later
 107          $data->contentformat = FORMAT_HTML; // updated later
 108  
 109          // make room for new page
 110          $sql = "UPDATE {book_chapters}
 111                     SET pagenum = pagenum + 1
 112                   WHERE bookid = ? AND pagenum >= ?";
 113          $DB->execute($sql, array($book->id, $data->pagenum));
 114  
 115          $data->id = $DB->insert_record('book_chapters', $data);
 116  
 117          // store the files
 118          $data = file_postupdate_standard_editor($data, 'content', $options, $context, 'mod_book', 'chapter', $data->id);
 119          $DB->update_record('book_chapters', $data);
 120          $DB->set_field('book', 'revision', $book->revision+1, array('id'=>$book->id));
 121          $chapter = $DB->get_record('book_chapters', array('id' => $data->id));
 122  
 123          core_tag_tag::set_item_tags('mod_book', 'book_chapters', $chapter->id, $context, $data->tags);
 124  
 125          \mod_book\event\chapter_created::create_from_chapter($book, $context, $chapter)->trigger();
 126      }
 127  
 128      book_preload_chapters($book); // fix structure
 129      redirect("view.php?id=$cm->id&chapterid=$data->id");
 130  }
 131  
 132  // Otherwise fill and print the form.
 133  $PAGE->set_title($book->name);
 134  $PAGE->set_heading($course->fullname);
 135  $PAGE->set_secondary_active_tab('modulepage');
 136  
 137  if ($chapters = book_preload_chapters($book)) {
 138      book_add_fake_block($chapters, $chapter, $book, $cm);
 139  }
 140  $PAGE->activityheader->set_attrs([
 141      "description" => '',
 142      "hidecompletion" => true
 143  ]);
 144  
 145  echo $OUTPUT->header();
 146  
 147  $mform->display();
 148  
 149  echo $OUTPUT->footer();