xref: /dokuwiki/inc/Ui/Diff.php (revision 63ab9afea47c7d80a8ede45def7caa27e9d03276)

<?php

namespace dokuwiki\Ui;

use dokuwiki\ChangeLog\PageChangeLog;
use dokuwiki\ChangeLog\MediaChangeLog;

/**
 * DokuWiki Diff Interface
 * parent class of PageDiff and MediaDiff
 *
 * @package dokuwiki\Ui
 */
abstract class Diff extends Ui
{
    /**
     * Get header of diff HTML
     *
     * @param string $l_rev   Left revisions
     * @param string $r_rev   Right revision
     * @param string $id      Page id, if null $ID is used
     * @param bool   $media   If it is for media files
     * @param bool   $inline  Return the header on a single line
     * @return string[] HTML snippets for diff header
     */
    public function diffHead($l_rev, $r_rev, $id = null, $media = false, $inline = false)
    {
        global $lang;
        if ($id === null) {
            global $ID;
            $id = $ID;
        }
        $head_separator = $inline ? ' ' : '<br />';
        $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
        $ml_or_wl = $media ? 'ml' : 'wl';
        $l_minor = $r_minor = '';

        if ($media) {
            $changelog = new MediaChangeLog($id);
        } else {
            $changelog = new PageChangeLog($id);
        }
        if (!$l_rev) {
            $l_head = '&mdash;';
        } else {
            $l_info   = $changelog->getRevisionInfo($l_rev);
            if ($l_info['user']) {
                $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
                if (auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
            } else {
                $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
            }
            $l_user  = '<span class="user">'.$l_user.'</span>';
            $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
            if ($l_info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';

            $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
            $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'
                . $l_head_title.'</a></bdi>'.$head_separator.$l_user.' '.$l_sum;
        }

        if ($r_rev) {
            $r_info   = $changelog->getRevisionInfo($r_rev);
            if ($r_info['user']) {
                $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
                if (auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
            } else {
                $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
            }
            $r_user = '<span class="user">'.$r_user.'</span>';
            $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
            if ($r_info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';

            $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
            $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'
                . $r_head_title.'</a></bdi>'.$head_separator.$r_user.' '.$r_sum;
        } elseif ($_rev = @filemtime($media_or_wikiFN($id))) {
            $_info   = $changelog->getRevisionInfo($_rev);
            if ($_info['user']) {
                $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
                if (auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
            } else {
                $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
            }
            $_user = '<span class="user">'.$_user.'</span>';
            $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
            if ($_info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';

            $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
            $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'
                . $r_head_title.'</a></bdi> '.'('.$lang['current'].')'.$head_separator.$_user.' '.$_sum;
        }else{
            $r_head = '&mdash; ('.$lang['current'].')';
        }

        return array($l_head, $r_head, $l_minor, $r_minor);
    }

}