<?php

// This file is part of 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/>.

/**

* Save template feature. Saves entire subwiki contents as an XML template.

*

* @copyright &copy; 2007 The Open University

* @author s.marshall@open.ac.uk

* @license http://www.gnu.org/copyleft/gpl.html GNU Public License

* @package ouwiki

*/

require_once(dirname(__FILE__) . '/../../config.php');

require($CFG->dirroot.'/mod/ouwiki/basicpage.php');

$id = required_param('id', PARAM_INT); // Course Module ID

$pagename = optional_param('page', '', PARAM_TEXT);

$url = new moodle_url('/mod/ouwiki/view.php', array('id' => $id, 'page' => $pagename));

$PAGE->set_url($url);

if ($id) {

if (!$cm = get_coursemodule_from_id('ouwiki', $id)) {

print_error('invalidcoursemodule');

}

// Checking course instance

$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);

if (!$ouwiki = $DB->get_record('ouwiki', array('id' => $cm->instance))) {

print_error('invalidcoursemodule');

}

$PAGE->set_cm($cm);

}

$context = get_context_instance(CONTEXT_MODULE, $cm->id);

$PAGE->set_pagelayout('incourse');

require_course_login($course, true, $cm);

$ouwikioutput = $PAGE->get_renderer('mod_ouwiki');

$format = required_param('format', PARAM_ALPHA);

if ($format !== OUWIKI_FORMAT_HTML && $format !== OUWIKI_FORMAT_RTF && $format !== OUWIKI_FORMAT_TEMPLATE) {

print_error('Unexpected format');

}

// Get basic wiki details for filename

$filename = $course->shortname.'.'.$ouwiki->name;

$filename = preg_replace('/[^A-Za-z0-9.-]/','_', $filename);

switch ($format) {

case OUWIKI_FORMAT_TEMPLATE:

header('Content-Type: text/xml; encoding=UTF-8');

header('Content-Disposition: attachment; filename="'.$filename.'.template.xml"');

print '<wiki>';

break;

case OUWIKI_FORMAT_RTF:

require_once($CFG->dirroot.'/local/rtf.php');

$html = '<root><p>'.get_string('savedat', 'ouwiki', userdate(time())).'</p><hr />';

break;

case OUWIKI_FORMAT_HTML:

// Do header

echo $ouwikioutput->ouwiki_print_start($ouwiki, $cm, $course, $subwiki, get_string('entirewiki', 'ouwiki'), $context, null, false, true);

print '<div class="ouwiki_content">';

break;

}

// Get list of all pages

$first = true;

$index = ouwiki_get_subwiki_index($subwiki->id);

foreach ($index as $pageinfo) {

// Get page details

$pageversion = ouwiki_get_current_page($subwiki, $pageinfo->title);

// If the page hasn't really been created yet, skip it

if (is_null($pageversion->xhtml)) {

continue;

}

$visibletitle = $pageversion->title === '' ? get_string('startpage', 'ouwiki') : $pageversion->title;

switch ($format) {

case OUWIKI_FORMAT_TEMPLATE:

print '<page>';

if ($pageversion->title !== '') {

print '<title>'.htmlspecialchars($pageversion->title).'</title>';

}

print '<xhtml>'.htmlspecialchars($pageversion->xhtml).'</xhtml>';

print '</page>';

break;

case OUWIKI_FORMAT_RTF:

$html .= '<h1>'.htmlspecialchars($visibletitle).'</h1>';

$html .= trim($pageversion->xhtml);

$html .= '<br /><br /><hr />';

break;

case OUWIKI_FORMAT_HTML:

print '<div class="ouw_entry"><a name="'.$pageversion->pageid.'"></a><h1 class="ouw_entry_heading"><a href="view.php?'.

ouwiki_display_wiki_parameters($pageversion->title, $subwiki, $cm).

'">'.htmlspecialchars($visibletitle).'</a></h1>';

print ouwiki_convert_content($pageversion->xhtml, $subwiki, $cm, $index, $pageversion->xhtmlformat);

print '</div>';

break;

}

if ($first) {

$first = false;

}

}

switch ($format) {

case OUWIKI_FORMAT_TEMPLATE:

print '</wiki>';

break;

case OUWIKI_FORMAT_RTF:

$html .= '</root>';

rtf_from_html($filename.'.rtf', $html);

break;

case OUWIKI_FORMAT_HTML:

print '</div>';

ouwiki_print_footer($course, $cm, $subwiki);

break;

}