mr-legend_wiki/inc/Ui/PageConflict.php

<?php

namespace dokuwiki\Ui;

use dokuwiki\Form\Form;

/**
 * DokuWiki Page Conflict Interface
 *
 * @package dokuwiki\Ui
 */
class PageConflict extends Ui
{
    protected $text;
    protected $summary;

    /**
     * PageConflict Ui constructor
     *
     * @param string $text wiki text
     * @param string $summary edit summary
     */
    public function __construct($text = '', $summary = '')
    {
        $this->text = $text;
        $this->summary = $summary;
    }

    /**
     * Show conflict form to ask whether save anyway or cancel the page edits
     *
     * @return void
     * @author   Andreas Gohr <andi@splitbrain.org>
     *
     */
    public function show()
    {
        global $INFO;
        global $lang;

        // print intro
        echo p_locale_xhtml('conflict');

        // create the form
        $form = new Form(['id' => 'dw__editform']);
        $form->addTagOpen('div')->addClass('no');
        $form->setHiddenField('id', $INFO['id']);
        $form->setHiddenField('wikitext', $this->text);
        $form->setHiddenField('summary', $this->summary);

        $form->addButton('do[save]', $lang['btn_save'])->attrs(['type' => 'submit', 'accesskey' => 's']);
        $form->addButton('do[cancel]', $lang['btn_cancel'])->attrs(['type' => 'submit']);
        $form->addTagClose('div');

        echo $form->toHTML('Conflict');

        echo '<br /><br /><br /><br />';

        // print difference
        (new PageDiff($INFO['id']))->compareWith($this->text)->preference('showIntro', false)->show();
    }
}