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module_revisions_browser.inc.php
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module_revisions_browser.inc.php
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<?php
/**
* module_revisions_browser.inc.php
* Module for browsing through revisions of a page
*
* Copyright Gottfried Haider, Danja Vasiliev 2010.
* This source code is licensed under the GNU General Public License.
* See the file COPYING for more details.
*/
@require_once('config.inc.php');
require_once('common.inc.php');
require_once('controller.inc.php');
require_once('html.inc.php');
require_once('modules.inc.php');
// module glue gets loaded on demand
require_once('util.inc.php');
// module_image.inc.php has more information on what's going on inside modules
// (they can be easier than that one though)
function controller_revisions($args)
{
page_canonical($args[0][0]);
$page = $args[0][0];
if (!page_exists($page)) {
http_404();
}
// get all revisions of page and determine the current revision's index
load_modules('glue');
$a = expl('.', $page);
$revs = revisions_info(array('pagename'=>$a[0], 'sort'=>'time'));
$revs = $revs['#data'];
$cur_rev = false;
for ($i=0; $i < count($revs); $i++) {
if ($revs[$i]['revision'] == $a[1]) {
$cur_rev = $i;
break;
}
}
if ($cur_rev === false) {
// we didn't find the current revision
http_500();
}
default_html(true);
html_add_css(base_url().'modules/revisions_browser/revisions_browser.css');
html_add_js(base_url().'modules/revisions_browser/revisions_browser.js');
html_add_js_var('$.glue.page', $page);
$bdy = &body();
elem_attr($bdy, 'id', 'revisions');
render_page(array('page'=>$page, 'edit'=>false));
body_append('<div id="revisions_browser_ctrl">');
body_append('<div id="revisions_browser_prev">');
if ($cur_rev+1 < count($revs)) {
body_append('<a href="'.base_url().'?'.htmlspecialchars(urlencode($revs[$cur_rev+1]['page']), ENT_COMPAT, 'UTF-8').'/revisions">prev</a>');
}
body_append('</div><div id="revisions_browser_cur">');
if (substr($revs[$cur_rev]['revision'], 0, 5) == 'auto-') {
body_append(date('d M y H:i', $revs[$cur_rev]['time']));
} else {
body_append(htmlspecialchars($revs[$cur_rev]['revision'], ENT_NOQUOTES, 'UTF-8'));
}
body_append('<br>');
if ($a[1] != 'head') {
body_append('<a id="revisions_browser_revert_btn" href="#">revert</a>');
}
body_append('</div><div id="revisions_browser_next">');
if (0 < $cur_rev) {
body_append('<a href="'.base_url().'?'.htmlspecialchars(urlencode($revs[$cur_rev-1]['page']), ENT_COMPAT, 'UTF-8').'/revisions">next</a>');
}
body_append('</div>');
body_append('</div>');
echo html_finalize();
}
register_controller('*', 'revisions', 'controller_revisions', array('auth'=>REVISIONS_NEED_AUTH));
function revisions_browser_render_page_early($args)
{
if ($args['edit']) {
html_add_js(base_url().'modules/revisions_browser/revisions_browser-edit.js');
}
}
?>

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