<?php
/*
* 2007-2015 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2015 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class TreeToolbarSearchCategoriesCore extends TreeToolbarButtonCore implements
    ITreeToolbarButtonCore
{
    protected $_template = 'tree_toolbar_search.tpl';

    public function __construct($label, $id, $name = null, $class = null)
    {
        parent::__construct($label);

        $this->setId($id);
        $this->setName($name);
        $this->setClass($class);
    }

    public function render()
    {
        if ($this->hasAttribute('data')) {
            $this->setAttribute('typeahead_source',
                $this->_renderData($this->getAttribute('data')));
        }

        $admin_webpath = str_ireplace(_PS_CORE_DIR_, '', _PS_ADMIN_DIR_);
        $admin_webpath = preg_replace('/^'.preg_quote(DIRECTORY_SEPARATOR, '/').'/', '', $admin_webpath);
        $bo_theme = ((Validate::isLoadedObject($this->getContext()->employee)
            && $this->getContext()->employee->bo_theme) ? $this->getContext()->employee->bo_theme : 'default');

        if (!file_exists(_PS_BO_ALL_THEMES_DIR_.$bo_theme.DIRECTORY_SEPARATOR.'template')) {
            $bo_theme = 'default';
        }

        if ($this->getContext()->controller->ajax) {
            $html = '<script type="text/javascript" src="'.__PS_BASE_URI__.$admin_webpath.'/themes/'.$bo_theme.'/js/vendor/typeahead.min.js"></script>';
        } else {
            $this->getContext()->controller->addJs(__PS_BASE_URI__.$admin_webpath.'/themes/'.$bo_theme.'/js/vendor/typeahead.min.js');
        }

        return (isset($html) ? $html : '').parent::render();
    }

    private function _renderData($data)
    {
        if (!is_array($data) && !$data instanceof Traversable) {
            throw new PrestaShopException('Data value must be a traversable array');
        }

        $html = '';

        foreach ($data as $item) {
            $html .= Tools::jsonEncode($item).',';
            if (array_key_exists('children', $item) && !empty($item['children'])) {
                $html .= $this->_renderData($item['children']);
            }
        }

        return $html;
    }
}
