/var-www-hotglue/hotglue.org-test/dev/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)) {
                hotglue_error(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
                hotglue_error(500);
        }
        
        default_html(true);
        html_add_css(base_url().'modules/revisions_browser/revisions_browser.css');
        if (USE_MIN_FILES) {
                html_add_js(base_url().'modules/revisions_browser/revisions_browser.min.js');
        } else {
                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 ($a[1] == 'head') {
                body_append('<a href="'.base_url().'?'.htmlspecialchars(urlencode($page), ENT_COMPAT, 'UTF-8').'/edit">back to editing mode</a>');
        } else {
                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']) {
                if (USE_MIN_FILES) {
                        html_add_js(base_url().'modules/revisions_browser/revisions_browser-edit.min.js');
                } else {
                        html_add_js(base_url().'modules/revisions_browser/revisions_browser-edit.js');
                }
        }
}

---