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<?php
// This file is part of Book plugin for Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Print lib
 *
 * @package    booktool
 * @subpackage print
 * @copyright  2004-2011 Petr Skoda  {@link http://skodak.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die;

function booktool_print_extend_settings_navigation(settings_navigation $settingsnav, navigation_node $booknode) {
       global $USER, $PAGE, $CFG, $DB, $OUTPUT;

       if ($PAGE->cm->modname !== 'book') {
           return;
       }

       if (empty($PAGE->cm->context)) {
           $PAGE->cm->context = get_context_instance(CONTEXT_MODULE, $PAGE->cm->instance);
       }


       $params = $PAGE->url->params();

       if (empty($params['id']) or empty($params['chapterid'])) {
           return;
       }


       if (has_capability('booktool/print:print', $PAGE->cm->context)) {
           $url1 = new moodle_url('/mod/book/tool/print/index.php', array('id'=>$params['id']));
           $url2 = new moodle_url('/mod/book/tool/print/index.php', array('id'=>$params['id'], 'chapterid'=>$params['chapterid']));
           if ($CFG->version > 2011020900) {
               $action = new action_link($url1, get_string('printbook', 'booktool_print'), new popup_action('click', $url1));
               $booknode->add('', $action, navigation_node::TYPE_SETTING, null, null, new pix_icon('book', '', 'booktool_print', array('class'=>'icon')));
               $action = new action_link($url2, get_string('printchapter', 'booktool_print'), new popup_action('click', $url2));
               $booknode->add('', $action, navigation_node::TYPE_SETTING, null, null, new pix_icon('chapter', '', 'booktool_print', array('class'=>'icon')));
           } else {
               $booknode->add(get_string('printbook', 'booktool_print'), $url1, navigation_node::TYPE_SETTING, null, null, new pix_icon('print_book', '', 'booktool_print', array('class'=>'icon')));
               $booknode->add(get_string('printchapter', 'booktool_print'), $url2, navigation_node::TYPE_SETTING, null, null, new pix_icon('print_chapter', '', 'booktool_print', array('class'=>'icon')));
           }
       }
}