. require_once('../../config.php'); require_once('lib.php'); $id = required_param('id', PARAM_INT); // Course Module ID. $chapterid = optional_param('chapterid', 0, PARAM_INT); // Chapter ID. $edit = optional_param('edit', -1, PARAM_BOOL); // Edit mode. /* ========================================================================= * security checks START - teachers edit; students view * ========================================================================= */ if (!$cm = get_coursemodule_from_id('book', $id)) { print_error('Course Module ID was incorrect'); } if (!$course = $DB->get_record('course', array( 'id' => $cm->course))) { print_error('Course is misconfigured'); } if (!$book = $DB->get_record('book', array( 'id' => $cm->instance))) { print_error('Course module is incorrect'); } require_course_login($course, true, $cm); $context = get_context_instance(CONTEXT_MODULE, $cm->id); // Read chapters. $select = $allowedit ? "bookid = $book->id" : "bookid = $book->id AND hidden = 0"; $chapters = $DB->get_records_select('book_chapters', $select, null, 'pagenum', 'id, pagenum, subchapter, title, hidden'); // Check chapterid and read chapter data. if ($chapterid == '0') { // Go to first chapter if no given. foreach ($chapters as $ch) { if ($allowedit) { $chapterid = $ch->id; break; } if (!$ch->hidden) { $chapterid = $ch->id; break; } } } if (!$chapter = $DB->get_record('book_chapters', array('id' => $chapterid))) { print_error('Error reading book chapters.'); } // Check all variables. unset($id); unset($chapterid); // Chapter is hidden for students. if (!$allowedit && $chapter->hidden) { print_error('Error reading book chapters.'); } // Chapter not part of this book! if ($chapter->bookid != $book->id) { print_error('Chapter not part of this book!'); } /* ========================================================================= * security checks END * ========================================================================= */ add_to_log($course->id, 'book', 'view', 'view.php?id='.$cm->id.'&chapterid='.$chapter->id, $book->id, $cm->id); // Read standard strings. $strbooks = get_string('modulenameplural', 'book'); $strbook = get_string('modulename', 'book'); // Prepare header. if ($course->category) { $navigation = ''.$course->shortname.' ->'; } else { $navigation = ''; } $buttons = $allowedit ? ''. '

'. update_module_button($cm->id, $course->id, $strbook).'

'.book_edit_button($cm->id, $course->id, $chapter->id).'

' : ' '; // Prepare chapter navigation icons. $previd = null; $nextid = null; $found = 0; foreach ($chapters as $ch) { if ($found) { $nextid = $ch->id; break; } if ($ch->id == $chapter->id) { $found = 1; } if (!$found) { $previd = $ch->id; } } if ($ch == current($chapters)) { $nextid = $ch->id; } $chnavigation = ''; echo "previd=$previd nextid=$nextid
"; if ($previd) { $chnavigation .= '

'; } else { $chnavigation .= '

'; } if ($nextid) { $chnavigation .= '

'; } else { $sec = ''; if ($section = $DB->get_record('course_sections', array( 'id' => $cm->section))) { $sec = $section->section; } $chnavigation .= '

'; } echo "chnavigation=$chnavigation
"; // Prepare print icons. if ($book->disableprinting) { $printbook = ''; $printchapter = ''; } else { $printbook = '

'; $printchapter = '

'; } /* ===================================================== * Book display HTML code * ===================================================== */ echo "OK"; ?>

box_start('generalbox'); echo $toc; echo $OUTPUT->box_end(); if ($allowedit && $edit) { echo '
'; helpbutton('faq', get_string('faq', 'book'), 'book', true, true); echo ''; } ?>

box_start('generalbox'); $content = ''; if (!$book->customtitles) { if ($currsubtitle == ' ') { $content .= '

'.$currtitle.'

'; } else { $content .= '

'.$currtitle.'
'.$currsubtitle.'

'; } } $content .= $chapter->content; $nocleanoption = new stdClass; $nocleanoption->noclean = true; echo '

'; echo format_text($content, FORMAT_HTML, $nocleanoption, $course->id); echo '

'; echo $OUTPUT->box_end(); // Lower navigation. echo '

'.$chnavigation.'

'; ?>

footer($course);