<?php

namespace dokuwiki\Action;

/**
 * Class Preview
 *
 * preview during editing
 *
 * @package dokuwiki\Action
 */
class Preview extends Edit {

    /** @inheritdoc */
    public function preProcess() {
        header('X-XSS-Protection: 0');
        $this->savedraft();
        parent::preProcess();
    }

    /** @inheritdoc */
    public function tplContent() {
        global $TEXT;
        html_edit();
        html_show($TEXT);
    }

    /**
     * Saves a draft on preview
     */
    protected function savedraft() {
        global $ID, $INFO;
        $draft = new \dokuwiki\Draft($ID, $INFO['client']);
        if (!$draft->saveDraft()) {
            $errors = $draft->getErrors();
            foreach ($errors as $error) {
                msg(hsc($error), -1);
            }
        }
    }

}