mod/book/edit.php

   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();