yfix/yf

<?php

/**
 * Class to handle output caching.
 *
 * @author        YFix Team <yfix.dev@gmail.com>
 * @version        1.0
 */
class yf_preview
{
    /** @var array These variables will not be displayed in preview */
    public $skip_fields = [
        'mode',
        'f_family_text',
        'f_size_text',
        'f_color_text',
        'helpbox_text',
        'tag_count_text',

        'parent_object',
        'parent_action',
        'form_action',
    ];
    /** @var bool */
    public $USE_BB_CODES = true;

    /**
     * Display preview method.
     *
     * NOTE : parent_object & parent_action are used to determine
     * @param mixed $params
     * @param mixed $template
     */
    public function _display_preview($params = [], $template = '')
    {
        $replace = $params['replace'];
        $PARENT_OBJECT = $_REQUEST['parent_object'];
        $PARENT_ACTION = $_REQUEST['parent_action'];
        // If no custom replace given, try to make own
        if (empty($replace)) {
            foreach ((array) $_POST as $k => $v) {
                if (in_array($v, $this->skip_fields)) {
                    continue;
                }
                if ($k != 'category_id') {
                    $replace[$k] = $this->_format_text($v);
                } else {
                    // Try to get category_id based on parent object
                    $categories = cache_get($PARENT_OBJECT . '_categories');
                    $replace['category_id'] = $categories[$v];
                }
            }
        }
        // Try to get template
        if (false !== strpos($_POST['preview_form_action'], 'add_comment')) {
            $body = tpl()->parse('comments/preview', $replace);
        } else {
            $stpl_name = $PARENT_OBJECT . '/' . $PARENT_ACTION . '_preview';
            $body = tpl()->_stpl_exists($stpl_name) ? tpl()->parse($stpl_name, $replace) : '';
        }
        // Default body
        if (empty($body)) {
            $body = tpl()->parse(__CLASS__ . '/default', $replace);
        }
        // Process template
        $replace2 = [
            'template' => $body,
        ];
        return common()->show_empty_page(tpl()->parse('preview/main', $replace2), ['title' => t('Preview')]);
    }

    /**
     * Display buttons code.
     * @param mixed $params
     */
    public function _display_buttons($params = []/*, $template = ""*/)
    {
        $replace = [
            'preview_link' => './?object=' . $_GET['object'] . '&action=display_preview',
            'width' => ! empty($params['width']) ? (int) ($params['width']) : 400,
            'height' => ! empty($params['height']) ? ($params['height']) : 300,
            'default_action' => '',
            'parent_object' => $_GET['object'],
            'parent_action' => $_GET['action'],
        ];
        return tpl()->parse(__CLASS__ . '/buttons', $replace);
    }

    /**
     * Format given text (convert BB Codes, new lines etc).
     *
     * @return    string
     * @param mixed $body
     */
    public function _format_text($body = '')
    {
        // Stop here if text is empty
        if (empty($body)) {
            return '';
        }
        /*
                if ($this->FORCE_STRIPSLASHES) {
                    $body = stripslashes($body);
                }
        */
        // If special code is "on" - process it
        if ($this->USE_BB_CODES) {
            $BB_CODES_OBJ = _class('bb_codes');
        }
        // We cannot die, need to be safe
        if ($this->USE_BB_CODES && is_object($BB_CODES_OBJ)) {
            $body = $BB_CODES_OBJ->_process_text($body);
        } else {
            $body = nl2br(_prepare_html($body, 0));
        }
        return $body;
    }
}