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<?php
/**
 * @package   Essential_Grid
 * @author    ThemePunch <info@themepunch.com>
 * @link      http://www.themepunch.com/essential/
 * @copyright 2021 ThemePunch
 */

if (!defined('ABSPATH')) exit();

class Essential_Grid_Navigation
{

private $grid_id = 0;
	private $filter = array();
	private $filter_show = true;
	private $filter_type = 'singlefilters';
	private $filter_start_select = array();
	private $sorting = array();
	private $sorting_start = 'none';
	private $sorting_order = 'asc';

private $layout = array(
		'top-1' => array(),
		'top-2' => array(),
		'left' => array(),
		'right' => array(),
		'bottom-1' => array(),
		'bottom-2' => array(),
	);
	private $specific_styles = array(
		'top-1' => array('margin-bottom' => 0, 'text-align' => 'center'),
		'top-2' => array('margin-bottom' => 0, 'text-align' => 'center'),
		'left' => array('margin-left' => 0),
		'right' => array('margin-right' => 0),
		'bottom-1' => array('margin-top' => 0, 'text-align' => 'center'),
		'bottom-2' => array('margin-top' => 0, 'text-align' => 'center'),
	);
	private $filter_settings = array(
		'filter' => array(
			'filter-grouping' => 'false', 
			'filter-listing' => 'list', 
			'filter-selected' => array(),
		),
	);

private $styles = array();
	private $filter_all_text = array();
	private $filterall_visible = array();
	private $filter_dropdown_text = array();
	private $filter_show_count = array();
	private $spacing = false;
	private $sort_by_text;
	private $search_text;
	private $special_class = '';
	private $search_found = false;
	private $filter_added = false;
	private $filter_group_count = 0;

public function __construct($grid_id = 0)
	{
		$this->grid_id = $grid_id;
		$this->filter_all_text['filter'] = esc_attr__('Filter - All', ESG_TEXTDOMAIN);
		$this->filterall_visible['filter'] = 'on';
		$this->filter_dropdown_text['filter'] = esc_attr__('Filter Categories', ESG_TEXTDOMAIN);
		$this->filter_show_count['filter'] = 'off';
		$this->sort_by_text = esc_attr__('Sort By ', ESG_TEXTDOMAIN);
		$this->search_text = esc_attr__('Search...', ESG_TEXTDOMAIN);

self::get_essential_navigation_skins();
	}

/**
	 * Return all Navigation skins
	 */
	public static function get_essential_navigation_skins()
	{
		global $wpdb;

$table_name = $wpdb->prefix . Essential_Grid::TABLE_NAVIGATION_SKINS;
		$navigation_skins = $wpdb->get_results("SELECT * FROM $table_name", ARRAY_A);

if (empty($navigation_skins)) { 
			//empty, insert defaults again
			self::propagate_default_navigation_skins();
			$navigation_skins = $wpdb->get_results("SELECT * FROM $table_name", ARRAY_A);
		}

return apply_filters('essgrid_get_navigation_skins', $navigation_skins);
	}

/**
	 * Get Navigation Skin by ID from Database
	 */
	public static function get_essential_navigation_skin_by_id($id = 0)
	{
		global $wpdb;

$id = intval($id);
		if ($id == 0) return false;

$table_name = $wpdb->prefix . Essential_Grid::TABLE_NAVIGATION_SKINS;
		$skin = $wpdb->get_row($wpdb->prepare("SELECT * FROM $table_name WHERE id = %d", $id), ARRAY_A);
		if (!empty($skin)) {
			$skin['css'] = Essential_Grid_Base::stripslashes_deep($skin['css']);
		}

return apply_filters('essgrid_get_navigation_skin_by_id', $skin, $id);
	}

/**
	 * Get Navigation Skin by ID from Database
	 */
	public static function get_essential_navigation_skin_by_handle($handle = '')
	{
		global $wpdb;

if ($handle == '') return false;

$table_name = $wpdb->prefix . Essential_Grid::TABLE_NAVIGATION_SKINS;
		$skin = $wpdb->get_row($wpdb->prepare("SELECT * FROM $table_name WHERE handle = %s", $handle), ARRAY_A);
		if (!empty($skin)) {
			$skin['css'] = Essential_Grid_Base::stripslashes_deep($skin['css']);
		}

return apply_filters('essgrid_get_navigation_skin_by_handle', $skin, $handle);
	}

/**
	 * All default Item Skins
	 */
	public static function get_default_navigation_skins()
	{
		$default = array();
		include('assets/default-navigation-skins.php');
		$default = apply_filters('essgrid_add_default_nav_skins', $default);
		return $default;
	}

public static function propagate_default_navigation_skins($networkwide = false)
	{
		$skins = self::get_default_navigation_skins();

if (function_exists('is_multisite') && is_multisite() && $networkwide) { //do for each existing site
			global $wpdb;

// 2.2.5
			// Get all blog ids and create tables
			$blogids = $wpdb->get_col("SELECT blog_id FROM " . $wpdb->blogs);

foreach ($blogids as $blog_id) {
				switch_to_blog($blog_id);
				self::insert_default_navigation_skins($skins);
				restore_current_blog();
			}
		} else {
			self::insert_default_navigation_skins($skins);
		}
	}

/**
	 * Insert Default Skin if they are not already installed
	 */
	public static function insert_default_navigation_skins($data)
	{
		global $wpdb;

$table_name = $wpdb->prefix . Essential_Grid::TABLE_NAVIGATION_SKINS;
		$data = apply_filters('essgrid_insert_detault_navigation_skins', $data);

if (!empty($data)) {
			foreach ($data as $skin) {
				//create
				$check = $wpdb->get_row($wpdb->prepare("SELECT * FROM $table_name WHERE handle = %s ", $skin['handle']), ARRAY_A);
				//check if exists, if no, create
				if (!empty($check)) continue;
				//insert if function did not return yet
				$response = $wpdb->insert($table_name, array('name' => $skin['name'], 'handle' => $skin['handle'], 'css' => $skin['css']));
			}
		}
	}

/**
	 * Update / Save Navigation Skins
	 */
	public static function update_create_navigation_skin_css($data)
	{
		global $wpdb;

$data = apply_filters('essgrid_update_create_navigation_skin_css', $data);
		$table_name = $wpdb->prefix . Essential_Grid::TABLE_NAVIGATION_SKINS;
		if (isset($data['name'])) {
			//create new skin
			if (strlen($data['name']) < 2) return esc_attr__('Invalid name. Name has to be at least 2 characters long.', ESG_TEXTDOMAIN);
			if (strlen(sanitize_title($data['name'])) < 2) return esc_attr__('Invalid name. Name has to be at least 2 characters long.', ESG_TEXTDOMAIN);
		} else {
			if (isset($data['sid'])) {
				if (intval($data['sid']) == 0) return esc_attr__('Invalid Navigation Skin. Wrong ID given.', ESG_TEXTDOMAIN);
			} else {
				return esc_attr__('Invalid Navigation Skin. Wrong ID given.', ESG_TEXTDOMAIN);
			}
		}

if (!isset($data['skin_css']) || empty($data['skin_css'])) return esc_attr__('No CSS found.', ESG_TEXTDOMAIN);

if (isset($data['sid']) && intval($data['sid']) > 0) {
			//update
			//check if entry with id exists, because this is unique
			$skin = $wpdb->get_row($wpdb->prepare("SELECT * FROM $table_name WHERE id != %s ", $data['sid']), ARRAY_A);

//if exists, if yes, update
			if (!empty($skin)) {
				$response = $wpdb->update($table_name, array('css' => stripslashes($data['skin_css'])), array('id' => $data['sid']));
				if ($response === false) return esc_attr__('Navigation skin could not be changed.', ESG_TEXTDOMAIN);
				return true;
			}
		} else {
			//create
			$skin = $wpdb->get_row($wpdb->prepare("SELECT * FROM $table_name WHERE handle = %s ", sanitize_title($data['name'])), ARRAY_A);

//check if exists, if no, create
			if (!empty($skin)) {
				return esc_attr__('Navigation skin with chosen name already exist. Please use a different name.', ESG_TEXTDOMAIN);
			}

//insert if function did not return yet
			$response = $wpdb->insert($table_name, array('name' => $data['name'], 'handle' => sanitize_title($data['name']), 'css' => stripslashes($data['skin_css'])));
			if ($response === false) return false;
			return true;
		}
	}

/**
	 * Update / Save Navigation Skins
	 */
	public static function delete_navigation_skin_css($data)
	{
		global $wpdb;

$data = apply_filters('essgrid_delete_navigation_skin_css', $data);
		$table_name = $wpdb->prefix . Essential_Grid::TABLE_NAVIGATION_SKINS;
		if (!isset($data['skin'])) {
			return esc_attr__('Invalid Navigation Skin. Wrong ID given.', ESG_TEXTDOMAIN);
		}

//check if entry with id exists, because this is unique
		$response = $wpdb->delete($table_name, array('handle' => $data['skin']));
		if ($response === false) return esc_attr__('Navigation Skin not be deleted', ESG_TEXTDOMAIN);
		return true;
	}

/**
	 * Set all Layout Elements
	 */
	public function set_layout($layout)
	{
		$layout = apply_filters('essgrid_set_layout', $layout);
		if (!empty($layout)) {
			foreach ($layout as $type => $position) {
				if (!empty($position)) {
					$pos = current(array_keys($position));
					$this->layout[$pos][$layout[$type][$pos]] = $type;
				}
			}
			foreach ($this->layout as $key => $val)
				ksort($this->layout[$key]);
		}
	}

/**
	 * Set specific styles
	 */
	public function set_specific_styles($styles)
	{
		$styles = apply_filters('essgrid_set_specific_styles', $styles);
		$this->specific_styles = $styles;
	}

/**
	 * Set special class to wrapper
	 * @since: 1.5.0
	 */
	public function set_special_class($classes)
	{
		$classes = apply_filters('essgrid_set_special_class', $classes);
		$this->special_class .= ' ' . $classes;
	}

/**
	 * Get special class to wrapper
	 * @since: 2.3.7
	 */
	public function get_special_class()
	{
		return $this->special_class;
	}

/**
	 * Set filter added to true/false
	 * @since: 2.1.0
	 */
	public function set_filter_added($setto)
	{
		$this->filter_added = apply_filters('essgrid_set_filter_added', $setto);
	}

/**
	 * Set Filter All Text
	 */
	public function set_filter_text($text, $key = '')
	{
		$a = apply_filters('essgrid_set_filter_text', array('text' => $text, 'key' => $key));
		$this->filter_all_text['filter' . $a['key']] = esc_attr__($a['text'], ESG_TEXTDOMAIN);
	}

/**
	 * Set Filter All Visiblity
	 */
	public function set_filterall_visible($visible, $key = '')
	{
		$a = apply_filters('essgrid_set_filterall_visible', array('visible' => $visible, 'key' => $key));
		$this->filterall_visible['filter' . $a['key']] = esc_attr__($a['visible'], ESG_TEXTDOMAIN);
	}

/**
	 * Set Sort By Text
	 * @since: 1.5.0
	 */
	public function set_orders_text($text)
	{
		$text = apply_filters('essgrid_set_orders_text', $text);
		$this->sort_by_text = $text;
	}

/**
	 * Set Filter Dropdown Text
	 */
	public function set_dropdown_text($text, $key = '')
	{
		$a = apply_filters('essgrid_set_dropdown_text', array('text' => $text, 'key' => $key));
		$text = apply_filters('essgrid_set_dropdown_text', $text, $key);
		$this->filter_dropdown_text['filter' . $a['key']] = $a['text'];
	}

/**
	 * Set Filter Option To Show Count
	 * @since: 2.0
	 */
	public function set_show_count($opt, $key = '')
	{
		$a = apply_filters('essgrid_set_show_count', array('opt' => $opt, 'key' => $key));
		$this->filter_show_count['filter' . $a['key']] = $a['opt'];
	}

/**
	 * Set specific filter settings
	 * @since: 1.1.0
	 */
	public function set_filter_settings($key, $settings)
	{
		$a = apply_filters('essgrid_set_filter_settings', array('settings' => $settings, 'key' => $key));
		$this->filter_settings[$a['key']] = $a['settings'];
	}

/**
	 * Output Container
	 */
	public function output_layout($layout_container, $spacing = 0)
	{
		$fclass = ($this->filter_type != false) ? ' esg-' . $this->filter_type : '';
		do_action('essgrid_output_layout_pre', $layout_container, $this->layout);
		$l = '';
		if (!empty($this->layout[$layout_container])) {
			$l = '<article class="esg-filters' . $fclass;
			if ($layout_container == 'left') $l .= ' esg-navbutton-solo-left';
			if ($layout_container == 'right') $l .= ' esg-navbutton-solo-right';
			$l .= '"';
			$l .= ' style="';
			if (!empty($this->styles)) {
				foreach ($this->styles as $style => $value) {
					$l .= $style . ': ' . $value . '; ';
				}
			}

if (!empty($this->specific_styles[$layout_container])) {
				foreach ($this->specific_styles[$layout_container] as $style => $value) {
					$l .= $style . ': ' . $value . '; ';
				}
			}

$l .= '"';
			$l .= '>';

$num = count($this->layout[$layout_container]) - 1;
			$real_spacing = ($spacing !== 0) ? $spacing / 2 : 0;
			foreach ($this->layout[$layout_container] as $key => $what) {
				$important = ($what == 'right' || $what == 'left') ? ' !important' : ''; //set important if we are the arrows, because they have already !important in settings.css
				$this->spacing = ' style="margin-left: ' . $real_spacing . 'px' . $important . '; margin-right: ' . $real_spacing . 'px' . $important . ';';
				if ($what == 'right' || $what == 'left') $this->spacing .= ' display: none;'; //hide navigation buttons left & right at start
				$this->spacing .= '"';

switch ($what) {
					case 'sorting':
						$l .= self::output_sorting();
						break;
					case 'cart':
						$l .= self::output_cart();
						break;
					case 'left':
						$l .= self::output_navigation_left();
						break;
					case 'right':
						$l .= self::output_navigation_right();
						break;
					case 'pagination':
						$l .= self::output_pagination();
						break;
					case 'filter':
						$l .= self::output_filter_unwrapped();
						break;
					case 'search-input':
						$l .= self::output_search_input();
						break;
					default:
						//check if its one of the filter fields
						if (strpos($what, 'filter-') !== false) {
							$cur_id = intval(str_replace('filter-', '', $what));
							$l .= self::output_filter_unwrapped(false, '-' . $cur_id);
						} else {
							do_action('essgrid_output_layout_' . $what);
						}
						break;
				}
			}

$l .= '</article>';
			$l .= '<div class="esg-clear-no-height"></div>';

echo apply_filters('essgrid_output_layout', $l);
		}

do_action('essgrid_output_layout_post', $layout_container, $this->layout);
	}

public function set_filter($data)
	{
		if (!empty($data)) {
			$this->filter = $data + $this->filter; //merges the array and preserves the key
			asort($this->filter);
			$this->filter = apply_filters('essgrid_set_filter', $this->filter);
		}
	}

public function set_orders($data)
	{
		$this->sorting = $data + $this->sorting; //merges the array and preserves the key
		arsort($this->sorting);
		$this->sorting = apply_filters('essgrid_set_orders', $this->sorting);
	}

public function set_orders_start($start_by)
	{
		$this->sorting_start = apply_filters('essgrid_set_orders_start', $start_by);
	}
	
	public function set_orders_order($order)
	{
		$this->sorting_order = apply_filters('essgrid_set_orders_order', strtolower($order));
	}

public function set_filter_type($type)
	{
		if ($type == 'single') {
			$this->filter_type = 'singlefilters';
		} elseif ($type == 'multi') {
			$this->filter_type = 'multiplefilters';
		} else {
			$this->filter_type = false;
		}

$this->filter_type = apply_filters('essgrid_set_filter_type', $this->filter_type);
	}

/**
	 * Set filter that are selected at start
	 * @since: 2.0.1
	 **/
	public function set_filter_start_select($select)
	{
		$this->filter_start_select = apply_filters('essgrid_set_filter_start_select', explode(',', $select));
		foreach ($this->filter_start_select as $key => $val) {
			if (trim($val) == '') unset($this->filter_start_select[$key]);
		}
	}

public function set_style($name, $value)
	{
		$a = apply_filters('essgrid_set_style', array('name' => $name, 'value' => $value));
		$this->styles[$a['name']] = $a['value'];
	}

public function output_filter($demo = false)
	{
		if (!$this->filter_show || $this->filter_type == false) return true;

$f = '<article class="esg-filters esg-' . $this->filter_type . ' ' . $this->special_class . '"';

if (!empty($this->styles)) {
			$f .= ' style="';
			foreach ($this->styles as $style => $value) {
				$f .= $style . ': ' . $value . '; ';
			}
			$f .= '"';
		}

$f .= '>'; //
		$f .= '<div class="esg-filter-wrapper">';

// 2.2.5
		$f .= '<div class="esg-mobile-filter-button esg-display-none"><span>' . $this->filter_dropdown_text['filter'] . '</span><i class="eg-icon-down-open"></i></div>';

$sel = (!empty($this->filter_start_select)) ? '' : ' selected';

/* 2.2.6 hide Filter-All button if text is empty */
		$all_filter_text = $this->filter_all_text['filter'];
		if (empty($all_filter_text)) $all_filter_text = esc_attr__('Filter - All', ESG_TEXTDOMAIN);
		$sel .= $this->filterall_visible['filter'] === 'on' ? '' : ' esg-display-none-i ';
		$f .= '<div class="esg-filterbutton' . $sel . ' esg-allfilter" data-filter="filterall" data-fid="-1"><span>' . $all_filter_text . '</span></div>';

if ($demo === 'skinchoose') {
			$f .= '<div class="esg-filterbutton" data-filter="filter-selectedskin"><span>' . esc_html__('Selected Skin', ESG_TEXTDOMAIN) . '</span><span class="esg-filter-checked"><i class="eg-icon-ok-1"></i></span></div>';
		}
		if ($demo !== false) {
			$f .= '<div class="esg-filterbutton" data-filter="filter-favorite"><span>' . esc_html__('Favorites', ESG_TEXTDOMAIN) . '</span><span class="esg-filter-checked"><i class="eg-icon-ok-1"></i></span></div>';
		}

if (!empty($this->filter)) {
			foreach ($this->filter as $filter_id => $filter) {
				$_v = Essential_Grid_Base::sanitize_utf8_to_unicode($filter['slug']);

$filter_text = ($demo !== false) ? self::translate_demo_filter($filter['slug']) : Essential_Grid_Wpml::strip_category_additions($filter['name']);
				$sel = (in_array($_v, $this->filter_start_select)) ? ' selected' : '';
				$f .= '<div class="esg-filterbutton' . $sel . '" data-fid="' . $filter_id . '" data-filter="filter-' . $_v . '"><span>' . $filter_text . '</span><span class="esg-filter-checked"><i class="eg-icon-ok-1"></i></span></div>';
			}
		}
		$f .= '</div>';
		$f .= '<div class="clear"></div>';
		$f .= '</article>'; //';
		$f .= '<div class="clear eg-filter-clear"></div>';

$this->set_filter_added(true);

return apply_filters('essgrid_output_filter', $f, $demo);
	}

/**
	 * @param bool $demo
	 * @param string $type  names what settings we need to check for: filter, filter2, filter3
	 * @return mixed|void
	 */
	public function output_filter_unwrapped($demo = false, $type = '')
	{ 
		global $sitepress;

$grouping = (isset($this->filter_settings['filter' . $type]['filter-grouping'])) ? $this->filter_settings['filter' . $type]['filter-grouping'] : 'false';
		$listing = (isset($this->filter_settings['filter' . $type]['filter-listing'])) ? $this->filter_settings['filter' . $type]['filter-listing'] : 'list';
		$amount = (isset($this->filter_show_count['filter' . $type]) && $this->filter_show_count['filter' . $type] == 'on') ? ' eg-show-amount' : '';
		$do_show = @$this->filter_settings['filter' . $type]['filter-selected'];
		$is_post = (isset($this->filter_settings['filter' . $type]['custom'])) ? false : true;
		$sort_alpha = Essential_Grid_Base::getVar($this->filter_settings['filter' . $type], 'filter-sort-alpha', 'off');
		$sort_alpha_dir = Essential_Grid_Base::getVar($this->filter_settings['filter' . $type], 'filter-sort-alpha-dir', 'asc');
		
		$dropdown = '';
		switch ($listing) {
			case 'dropdown': //use dropdown
				$dropdown = ' dropdownstyle';
				break;
			case 'mobiledropdownstyle': //use dropdown only on mobile
				$dropdown = ' mobiledropdownstyle';
				break;
		}

// 3.0.12
		$fclass = $this->filter_group_count === 0 ? '' : ' eg-filter-group';
		$this->filter_group_count++;
		
		$f = '';
		$f .= '<div class="esg-filter-wrapper' . $dropdown . $amount . ' ' . $this->special_class . $fclass . '"';
		if ($this->spacing !== false) $f .= $this->spacing;
		$f .= '>';

$filtertext = esc_attr__('Filter Categories', ESG_TEXTDOMAIN);
		if (array_key_exists('filter' . $type, $this->filter_dropdown_text)) {
			$filtertext = $this->filter_dropdown_text['filter' . $type];
		}

if ($listing == 'dropdown') {
			// 2.2.5
			$f .= '<div class="esg-selected-filterbutton esg-mobile-filter-button"><span>' . $filtertext . '</span><i class="eg-icon-down-open"></i></div>';
			$f .= '<div class="esg-dropdown-wrapper">';
		} else {
			// 2.2.5
			$f .= '<div class="esg-mobile-filter-button"><span>' . $filtertext . '</span><i class="eg-icon-down-open"></i></div>';
		}

$filters_html = array();

if ($is_post && !empty($do_show) && is_array($do_show)) {
			//we are a post based grid
			foreach ($do_show as $string_id) {
				$fraw = explode('_', $string_id);

if (count($fraw) > 1) {
					$f_id = array_pop($fraw);
				} else {
					$f_id = $fraw[0];
				}

if (Essential_Grid_Wpml::is_wpml_exists() && isset($sitepress)) {
					$t_id = @icl_object_id($f_id, implode('_', $fraw), true, ICL_LANGUAGE_CODE);
					if (!empty($t_id)) $f_id = $t_id;
				}
				if (isset($this->filter[$f_id])) {
					$filter_text = ($demo) ? self::translate_demo_filter($this->filter[$f_id]['slug']) : Essential_Grid_Wpml::strip_category_additions($this->filter[$f_id]['name']);

// 2.2.5
					// sanitize multi-select custom meta
					if (strpos($filter_text, "['") !== false && strpos($filter_text, "']") !== false) {
						$filter_text = preg_replace("/\[\'|\'\]/", '', $filter_text);
						$filter_text = preg_replace("/\'\,\'/", ' & ', $filter_text);
					}
					$_v = Essential_Grid_Base::sanitize_utf8_to_unicode($this->filter[$f_id]['slug']);
					$filter = get_category_by_slug($this->filter[$f_id]['slug']);

$sel = (in_array($_v, $this->filter_start_select)) ? ' selected' : '';
					$parent_id = (isset($this->filter[$f_id]['parent']) && intval($this->filter[$f_id]['parent']) > 0) ? $this->filter[$f_id]['parent'] : 0;

$parent = ($parent_id > 0) ? ' data-pid="' . $parent_id . '"' : '';
					$filters_html[$filter_text] = '<div class="esg-filterbutton' . $sel . '" data-fid="' . $f_id . '"' . $parent . ' data-filter="filter-' . $_v . '"><span>' . $filter_text . '</span><span class="esg-filter-checked"><i class="eg-icon-ok-1"></i></span></div>';
				}
			}
		} else {
			if (!empty($do_show) && is_array($do_show)) {
				foreach ($do_show as $slug) {
					if (!empty($this->filter) && isset($this->filter[$slug])) {
						$filter = $this->filter[$slug];
						$filter_text = ($demo) ? self::translate_demo_filter($filter['slug']) : Essential_Grid_Wpml::strip_category_additions($filter['name']);

// 2.2.5
						// sanitize multi-select custom meta
						if (strpos($filter_text, "['") !== false && strpos($filter_text, "']") !== false) {
							$filter_text = preg_replace("/\[\'|\'\]/", '', $filter_text);
							$filter_text = preg_replace("/\'\,\'/", ' & ', $filter_text);
						}
						$_v = Essential_Grid_Base::sanitize_utf8_to_unicode($filter['slug']);

$sel = (in_array($_v, $this->filter_start_select)) ? ' selected' : '';
						$parent_id = (isset($filter['parent']) && intval($filter['parent']) > 0) ? $filter['parent'] : 0;

$parent = ($parent_id > 0) ? ' data-pid="' . $parent_id . '"' : '';
						$filters_html[$filter_text] = '<div class="esg-filterbutton' . $sel . '" data-fid="' . $slug . '"' . $parent . ' data-filter="filter-' . $_v . '"><span>' . $filter_text . '</span><span class="esg-filter-checked"><i class="eg-icon-ok-1"></i></span></div>';
					}
				}
			} else { //fallback to old version
				if (!empty($this->filter)) {
					foreach ($this->filter as $filter_id => $filter) {
						$filter_text = ($demo) ? self::translate_demo_filter($filter['slug']) : Essential_Grid_Wpml::strip_category_additions($filter['name']);

// 2.2.5
						// sanitize multi-select custom meta
						if (strpos($filter_text, "['") !== false && strpos($filter_text, "']") !== false) {
							$filter_text = preg_replace("/\[\'|\'\]/", '', $filter_text);
							$filter_text = preg_replace("/\'\,\'/", ' & ', $filter_text);
						}
						$_v = Essential_Grid_Base::sanitize_utf8_to_unicode($filter['slug']);

$sel = (in_array($_v, $this->filter_start_select)) ? ' selected' : '';
						$parent_id = (isset($filter['parent']) && intval($filter['parent']) > 0) ? $filter['parent'] : 0;

$parent = ($parent_id > 0) ? ' data-pid="' . $parent_id . '"' : '';
						$filters_html[$filter_text] = '<div class="esg-filterbutton' . $sel . '" data-fid="' . $filter_id . '"' . $parent . ' data-filter="filter-' . $_v . '"><span>' . $filter_text . '</span><span class="esg-filter-checked"><i class="eg-icon-ok-1"></i></span></div>';
					}
				}
			}
		}

if ('on' === $sort_alpha && !empty($filters_html)) {
			ksort($filters_html);
			if ('desc' === $sort_alpha_dir) $filters_html = array_reverse($filters_html);
		}

if ($demo) {
			array_unshift($filters_html, '<div class="esg-filterbutton" data-filter="filter-favorite"><span>' . esc_html__('Favorites', ESG_TEXTDOMAIN) . '</span><span class="esg-filter-checked"><i class="eg-icon-ok-1"></i></span></div>');
		}

/* 2.2.6 hide Filter-All button if text is empty */
		$all_filter_text = @$this->filter_all_text['filter' . $type];
		if (empty($all_filter_text)) $all_filter_text = esc_attr__('Filter - All', ESG_TEXTDOMAIN);
		$sel = (!empty($this->filter_start_select)) ? '' : ' selected';
		$sel .= @$this->filterall_visible['filter' . $type] === 'on' ? '' : ' esg-display-none-i ';
		array_unshift($filters_html, '<div class="esg-filterbutton' . $sel . ' esg-allfilter" data-filter="filterall" data-fid="-1"><span>' . $all_filter_text . '</span></div>');

//add a class to last element
		$last = $this->array_key_last($filters_html);
		$filters_html[$last] = str_replace('esg-filterbutton', 'esg-filterbutton-last esg-filterbutton', $filters_html[$last]);
		$f .= implode('', $filters_html);

if ($listing == 'dropdown') {
			$f .= '</div>';
		}
		$f .= '<div class="eg-clearfix"></div>';
		$f .= '</div>';

$this->set_filter_added(true);

return apply_filters('essgrid_output_filter_unwrapped', $f, $demo, $type);
	}

public function output_sorting()
	{
		$s = '';
		if (!empty($this->sorting)) {
			$sort_dir = $this->sorting_order === 'asc' ? 'data-dir="asc"' : 'data-dir="desc"';
			$sort_class = $this->sorting_order === 'asc' ? 'tp-asc' : 'tp-desc';
			$s .= '<div class="esg-sortbutton-wrapper ' . $this->special_class . '"';
			if ($this->spacing !== false) $s .= $this->spacing;
			$s .= '>';
			$s .= '<div class="esg-sortbutton"><span>' . $this->sort_by_text . '</span><span class="sortby_data">' . $this->set_sorting_text($this->sorting_start) . '</span>';
			$s .= '<select class="esg-sorting-select">';
			foreach ($this->sorting as $sort) {
				$s .= '<option value="' . $this->set_sorting_value($sort) . '" ' . selected($this->sorting_start, $this->set_sorting_value($sort), false) . '>' . $this->set_sorting_text($sort) . '</option>';
			}
			$s .= '</select>';
			$s .= '</div><div class="esg-sortbutton-order eg-icon-down-open ' . $sort_class . '" ' . $sort_dir . '></div>';
			$s .= '</div>';
		}

return apply_filters('essgrid_output_sorting', $s);
	}

public function set_sorting_text($san_text)
	{
		if (strpos($san_text, 'eg-') === 0) {
			$meta = new Essential_Grid_Meta();
			$m = $meta->get_all_meta(false);
			if (!empty($m)) {
				foreach ($m as $me) {
					if ('eg-' . $me['handle'] == $san_text) return apply_filters('essgrid_set_sorting_text', $me['name'], $san_text);
				}
			}
		} elseif (strpos($san_text, 'egl-') === 0) {
			$meta = new Essential_Grid_Meta_Linking();
			$m = $meta->get_all_link_meta(false);
			if (!empty($m)) {
				foreach ($m as $me) {
					if ('egl-' . $me['handle'] == $san_text) return apply_filters('essgrid_set_sorting_text', $me['name'], $san_text);
				}
			}
		} else {
			$orig = $san_text;
			switch ($san_text) {
				case 'date':
					$san_text = esc_attr__('Date', ESG_TEXTDOMAIN);
					break;
				case 'title':
					$san_text = esc_attr__('Title', ESG_TEXTDOMAIN);
					break;
				case 'excerpt':
					$san_text = esc_attr__('Excerpt', ESG_TEXTDOMAIN);
					break;
				case 'id':
					$san_text = esc_attr__('ID', ESG_TEXTDOMAIN);
					break;
				case 'slug':
					$san_text = esc_attr__('Slug', ESG_TEXTDOMAIN);
					break;
				case 'author':
					$san_text = esc_attr__('Author', ESG_TEXTDOMAIN);
					break;
				case 'last-modified':
					$san_text = esc_attr__('Last Modified', ESG_TEXTDOMAIN);
					break;
				case 'number-of-comments':
					$san_text = esc_attr__('Comments', ESG_TEXTDOMAIN);
					break;
				case 'meta_num_total_sales':
					$san_text = esc_attr__('Total Sales', ESG_TEXTDOMAIN);
					break;
				case 'meta_num__regular_price':
					$san_text = esc_attr__('Regular Price', ESG_TEXTDOMAIN);
					break;
				case 'meta_num__sale_price':
					$san_text = esc_attr__('Sale Price', ESG_TEXTDOMAIN);
					break;
				case 'meta__featured':
					$san_text = esc_attr__('Featured', ESG_TEXTDOMAIN);
					break;
				case 'meta__sku':
					$san_text = esc_attr__('SKU', ESG_TEXTDOMAIN);
					break;
				case 'meta_num_stock':
					$san_text = esc_attr__('In Stock', ESG_TEXTDOMAIN);
					break;
				default:
					$san_text = ucfirst($san_text);
					break;
			}
		}

return apply_filters('essgrid_set_sorting_text', $san_text, $orig);
	}

public function set_sorting_value($san_handle)
	{
		$orig = $san_handle;
		switch ($orig) {
			case 'meta_num_total_sales':
				$san_handle = 'total-sales';
				break;
			case 'meta_num__regular_price':
				$san_handle = 'regular-price';
				break;
			case 'meta_num__sale_price':
				$san_handle = 'sale-price';
				break;
			case 'meta__featured':
				$san_handle = 'featured';
				break;
			case 'meta__sku':
				$san_handle = 'sku';
				break;
			case 'meta_num_stock':
				$san_handle = 'in-stock';
				break;
		}
		return apply_filters('essgrid_set_sorting_value', $san_handle, $orig);
	}

public function output_cart()
	{
		if (!Essential_Grid_Woocommerce::is_woo_exists()) return '';
		if (!function_exists('wc_cart_totals_subtotal_html')) return '';
		ob_start();
		echo '<div class="esg-cartbutton-wrapper ' . $this->special_class . '"';
		if ($this->spacing !== false) echo $this->spacing;
		echo '>';
		echo '<div class="esg-cartbutton">';
		echo '<a href="' . wc_get_cart_url() . '">';
		echo '<i class="eg-icon-basket"></i><span class="ess-cart-content">';
		echo WC()->cart->get_cart_contents_count();
		echo esc_html__(' items - ', ESG_TEXTDOMAIN);
		echo wc_cart_totals_subtotal_html();
		echo '</span>';
		echo '</a>';
		echo '</div>';
		echo '</div>';

$c = ob_get_contents();
		ob_clean();
		ob_end_clean();

return apply_filters('essgrid_output_cart', $c);
	}

public function output_navigation()
	{
		$n = '<article class="navigationbuttons ' . $this->special_class . '">';
		$n .= self::output_navigation_left();
		$n .= self::output_navigation_right();
		$n .= '</article>';

return apply_filters('essgrid_output_navigation', $n);
	}

public function output_navigation_left()
	{
		$n = '<div class="esg-navigationbutton esg-left ' . $this->special_class . '" ';
		if ($this->spacing !== false) $n .= $this->spacing;
		$n .= '><i class="eg-icon-left-open"></i></div>';

return apply_filters('essgrid_output_navigation_left', $n);
	}

public function output_navigation_right()
	{
		$n = '<div class="esg-navigationbutton esg-right ' . $this->special_class . '" ';
		if ($this->spacing !== false) $n .= $this->spacing;
		$n .= '><i class="eg-icon-right-open"></i></div>';

return apply_filters('essgrid_output_navigation_right', $n);
	}

public function output_pagination($backend = false)
	{
		$p = '<div class="esg-pagination ' . $this->special_class . '"';
		if ($this->spacing !== false) $p .= $this->spacing;
		$p .= '></div>';

return apply_filters('essgrid_output_pagination', $p, $backend);
	}

public function output_navigation_skin($handle)
	{
		$base = new Essential_Grid_Base();
		$css = self::get_essential_navigation_skin_by_handle($handle);

$n = '';
		if ($css !== false) {
			$n = '<style type="text/css">';
			$n .= $base->compress_css($css['css']);
			$n .= '</style>' . "\n";
		}

return apply_filters('essgrid_output_navigation_skin', $n, $handle);
	}

public static function output_navigation_skins()
	{
		$base = new Essential_Grid_Base();
		$skins = self::get_essential_navigation_skins();

$css = '';
		if (!empty($skins)) {
			foreach ($skins as $skin) {
				$css .= '<style class="navigation-skin-css-' . $skin['id'] . '" type="text/css">';
				$css .= $base->compress_css($skin['css']);
				$css .= '</style>' . "\n";
			}
		}

return apply_filters('essgrid_output_navigation_skins', $css);
	}

private function translate_demo_filter($name)
	{
		$post = Essential_Grid_Item_Element::getPostElementsArray();
		$event = Essential_Grid_Item_Element::getEventElementsArray();
		$woocommerce = array();
		if (Essential_Grid_Woocommerce::is_woo_exists()) {
			$tmp_wc = Essential_Grid_Woocommerce::get_meta_array();
			foreach ($tmp_wc as $handle => $wc_name) {
				$woocommerce[$handle]['name'] = $wc_name;
			}
		}

if (array_key_exists($name, $post)) return $post[$name]['name'];
		if (array_key_exists($name, $event)) return $event[$name]['name'];
		if (array_key_exists($name, $woocommerce)) return $woocommerce[$name]['name'];

return apply_filters('essgrid_translate_demo_filter', ucwords($name), $name);
	}

/**
	 * Change the Search Text
	 * @since: 2.0
	 */
	public function set_search_text($text)
	{
		$this->search_text = apply_filters('essgrid_set_search_text', $text);
	}

/**
	 * Output the Search Input Field
	 * @since: 2.0
	 */
	public function output_search_input()
	{
		$s = '<div class="esg-filter-wrapper eg-search-wrapper' . $this->special_class . '"';
		if ($this->spacing !== false) $s .= $this->spacing;
		$s .= '>';
		$s .= '<input name="eg-search-input-' . $this->grid_id . '" class="eg-search-input" type="text" value="" placeholder="' . $this->search_text . '">';
		$s .= '<span class="eg-search-submit"><i class="eg-icon-search"></i></span>';
		$s .= '<span class="eg-search-clean"><i class="eg-icon-cancel"></i></span>';
		$s .= '</div>';

$this->search_found = true; //trigger this to add

return apply_filters('essgrid_output_search_input', $s);
	}

/**
	 * Output "Filter All" markup if search is existing in any container
	 * @since: 2.0.7
	 */
	public function check_for_search()
	{
		$s = '';
		if ($this->filter_added === false && $this->search_found === true) {
			$s .= '<div class="esg-filter-wrapper esg-display-none-i">';
			$s .= '<article class="esg-filters esg-' . $this->filter_type . ' ' . $this->special_class . '">';
			$s .= '<div class="esg-filterbutton selected esg-allfilter" data-filter="filterall" data-fid="-1" ><span>' . $this->filter_all_text['filter'] . '</span></div>';
			$s .= '</article>';
			$s .= '</div>';
		}

return apply_filters('essgrid_check_for_search', $s, $this->filter_added, $this->search_found);
	}

public function array_key_last(array $array) {
		if( !empty($array) ) return key(array_slice($array, -1, 1, true));
	}

}