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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 * Book view page 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__.'/lib.php'); 27 require_once (__DIR__.'/locallib.php'); 28 require_once($CFG->libdir.'/completionlib.php'); 29 30 $id = optional_param('id', 0, PARAM_INT); // Course Module ID 31 $bid = optional_param('b', 0, PARAM_INT); // Book id 32 $chapterid = optional_param('chapterid', 0, PARAM_INT); // Chapter ID 33 $edit = optional_param('edit', -1, PARAM_BOOL); // Edit mode 34 35 // ========================================================================= 36 // security checks START - teachers edit; students view 37 // ========================================================================= 38 if ($id) { 39 $cm = get_coursemodule_from_id('book', $id, 0, false, MUST_EXIST); 40 $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST); 41 $book = $DB->get_record('book', array('id'=>$cm->instance), '*', MUST_EXIST); 42 } else { 43 $book = $DB->get_record('book', array('id'=>$bid), '*', MUST_EXIST); 44 $cm = get_coursemodule_from_instance('book', $book->id, 0, false, MUST_EXIST); 45 $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST); 46 $id = $cm->id; 47 } 48 49 require_course_login($course, true, $cm); 50 51 $context = context_module::instance($cm->id); 52 require_capability('mod/book:read', $context); 53 54 $allowedit = has_capability('mod/book:edit', $context); 55 $viewhidden = has_capability('mod/book:viewhiddenchapters', $context); 56 57 if ($allowedit) { 58 if ($edit != -1 and confirm_sesskey()) { 59 $USER->editing = $edit; 60 } else { 61 if (isset($USER->editing)) { 62 $edit = $USER->editing; 63 } else { 64 $edit = 0; 65 } 66 } 67 } else { 68 $edit = 0; 69 } 70 71 // read chapters 72 $chapters = book_preload_chapters($book); 73 74 if ($allowedit and !$chapters) { 75 redirect('edit.php?cmid='.$cm->id); // No chapters - add new one. 76 } 77 // Check chapterid and read chapter data 78 if ($chapterid == '0') { // Go to first chapter if no given. 79 // Trigger course module viewed event. 80 book_view($book, null, false, $course, $cm, $context); 81 82 foreach ($chapters as $ch) { 83 if ($edit) { 84 $chapterid = $ch->id; 85 break; 86 } 87 if (!$ch->hidden) { 88 $chapterid = $ch->id; 89 break; 90 } 91 } 92 } 93 94 $courseurl = new moodle_url('/course/view.php', array('id' => $course->id)); 95 96 // No content in the book. 97 if (!$chapterid) { 98 $PAGE->set_url('/mod/book/view.php', array('id' => $id)); 99 notice(get_string('nocontent', 'mod_book'), $courseurl->out(false)); 100 } 101 // Chapter doesnt exist or it is hidden for students 102 if ((!$chapter = $DB->get_record('book_chapters', array('id' => $chapterid, 'bookid' => $book->id))) or ($chapter->hidden and !$viewhidden)) { 103 print_error('errorchapter', 'mod_book', $courseurl); 104 } 105 106 $PAGE->set_url('/mod/book/view.php', array('id'=>$id, 'chapterid'=>$chapterid)); 107 108 109 // Unset all page parameters. 110 unset($id); 111 unset($bid); 112 unset($chapterid); 113 114 // Read standard strings. 115 $strbooks = get_string('modulenameplural', 'mod_book'); 116 $strbook = get_string('modulename', 'mod_book'); 117 $strtoc = get_string('toc', 'mod_book'); 118 119 // prepare header 120 $pagetitle = $book->name . ": " . $chapter->title; 121 $PAGE->set_title($pagetitle); 122 $PAGE->set_heading($course->fullname); 123 124 book_add_fake_block($chapters, $chapter, $book, $cm, $edit); 125 126 // prepare chapter navigation icons 127 $previd = null; 128 $prevtitle = null; 129 $nextid = null; 130 $nexttitle = null; 131 $last = null; 132 foreach ($chapters as $ch) { 133 if (!$edit and $ch->hidden) { 134 continue; 135 } 136 if ($last == $chapter->id) { 137 $nextid = $ch->id; 138 $nexttitle = book_get_chapter_title($ch->id, $chapters, $book, $context); 139 break; 140 } 141 if ($ch->id != $chapter->id) { 142 $previd = $ch->id; 143 $prevtitle = book_get_chapter_title($ch->id, $chapters, $book, $context); 144 } 145 $last = $ch->id; 146 } 147 148 $islastchapter = false; 149 if ($book->navstyle) { 150 $navprevicon = right_to_left() ? 'nav_next' : 'nav_prev'; 151 $navnexticon = right_to_left() ? 'nav_prev' : 'nav_next'; 152 $navprevdisicon = right_to_left() ? 'nav_next_dis' : 'nav_prev_dis'; 153 154 $chnavigation = ''; 155 if ($previd) { 156 $navprev = get_string('navprev', 'book'); 157 if ($book->navstyle == 1) { 158 $chnavigation .= '<a title="' . $navprev . '" class="bookprev" href="view.php?id=' . 159 $cm->id . '&chapterid=' . $previd . '">' . 160 '<img src="' . $OUTPUT->pix_url($navprevicon, 'mod_book') . '" class="icon" alt="' . $navprev . '"/></a>'; 161 } else { 162 $chnavigation .= '<a title="' . $navprev . '" class="bookprev" href="view.php?id=' . 163 $cm->id . '&chapterid=' . $previd . '">' . 164 '<span class="chaptername"><span class="arrow">' . $OUTPUT->larrow() . ' </span></span>' . 165 $navprev . ': <span class="chaptername">' . $prevtitle . '</span></a>'; 166 } 167 } else { 168 if ($book->navstyle == 1) { 169 $chnavigation .= '<img src="' . $OUTPUT->pix_url($navprevdisicon, 'mod_book') . '" class="icon" alt="" />'; 170 } 171 } 172 if ($nextid) { 173 $navnext = get_string('navnext', 'book'); 174 if ($book->navstyle == 1) { 175 $chnavigation .= '<a title="' . $navnext . '" class="booknext" href="view.php?id=' . 176 $cm->id . '&chapterid='.$nextid.'">' . 177 '<img src="' . $OUTPUT->pix_url($navnexticon, 'mod_book').'" class="icon" alt="' . $navnext . '" /></a>'; 178 } else { 179 $chnavigation .= ' <a title="' . $navnext . '" class="booknext" href="view.php?id=' . 180 $cm->id . '&chapterid='.$nextid.'">' . 181 $navnext . ':<span class="chaptername"> ' . $nexttitle. 182 '<span class="arrow"> ' . $OUTPUT->rarrow() . '</span></span></a>'; 183 } 184 } else { 185 $navexit = get_string('navexit', 'book'); 186 $sec = $DB->get_field('course_sections', 'section', array('id' => $cm->section)); 187 $returnurl = course_get_url($course, $sec); 188 if ($book->navstyle == 1) { 189 $chnavigation .= '<a title="' . $navexit . '" class="bookexit" href="'.$returnurl.'">' . 190 '<img src="' . $OUTPUT->pix_url('nav_exit', 'mod_book') . '" class="icon" alt="' . $navexit . '" /></a>'; 191 } else { 192 $chnavigation .= ' <a title="' . $navexit . '" class="bookexit" href="'.$returnurl.'">' . 193 '<span class="chaptername">' . $navexit . ' ' . $OUTPUT->uarrow() . '</span></a>'; 194 } 195 196 $islastchapter = true; 197 } 198 } 199 200 book_view($book, $chapter, $islastchapter, $course, $cm, $context); 201 202 // ===================================================== 203 // Book display HTML code 204 // ===================================================== 205 206 echo $OUTPUT->header(); 207 echo $OUTPUT->heading(format_string($book->name)); 208 209 $navclasses = book_get_nav_classes(); 210 211 if ($book->navstyle) { 212 // Upper navigation. 213 echo '<div class="navtop clearfix ' . $navclasses[$book->navstyle] . '">' . $chnavigation . '</div>'; 214 } 215 216 // The chapter itself. 217 $hidden = $chapter->hidden ? ' dimmed_text' : null; 218 echo $OUTPUT->box_start('generalbox book_content' . $hidden); 219 220 if (!$book->customtitles) { 221 if (!$chapter->subchapter) { 222 $currtitle = book_get_chapter_title($chapter->id, $chapters, $book, $context); 223 echo $OUTPUT->heading($currtitle, 3); 224 } else { 225 $currtitle = book_get_chapter_title($chapters[$chapter->id]->parent, $chapters, $book, $context); 226 $currsubtitle = book_get_chapter_title($chapter->id, $chapters, $book, $context); 227 echo $OUTPUT->heading($currtitle, 3); 228 echo $OUTPUT->heading($currsubtitle, 4); 229 } 230 } 231 $chaptertext = file_rewrite_pluginfile_urls($chapter->content, 'pluginfile.php', $context->id, 'mod_book', 'chapter', $chapter->id); 232 echo format_text($chaptertext, $chapter->contentformat, array('noclean'=>true, 'overflowdiv'=>true, 'context'=>$context)); 233 234 echo $OUTPUT->box_end(); 235 236 if ($book->navstyle) { 237 // Lower navigation. 238 echo '<div class="navbottom clearfix ' . $navclasses[$book->navstyle] . '">' . $chnavigation . '</div>'; 239 } 240 241 echo $OUTPUT->footer();
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |