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<?php

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/**

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* Class that generates custom markup for mega menu that shows posts by categories

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* @package themify

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* @subpackage megamenu

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* @since 1.0.0

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defined( 'ABSPATH' ) || exit;

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if( ! class_exists( 'Themify_Mega_Menu_Walker', false ) ) {

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/**

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* Class Themify_Mega_Menu_Walker generates menu with posts by category

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* @since 1.0.0

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class Themify_Mega_Menu_Walker extends Walker_Nav_Menu {

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static $mega_open = false;

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private static $hasLayout=false;

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private static $open=false;

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static $disableAssetsLoading=false;

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/**

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* render a widget menu item

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* $depth level

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* $class_names additional CSS classes to add to the menu wrapper

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* @return string

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function render_widget_menu( $item, int $depth, string $class_names = '' ):string {

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$output = '';

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if( $depth === 0 ) {

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$title = apply_filters( 'the_title', $item->title, $item->ID );

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$output = "<li class='{$class_names}'><a role='button' tabindex='0'>" . $title . '<span class="child-arrow"></span></a><ul class="sub-menu tf_box">';

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}

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$menu_widget = Themify_Widgets_Menu::get_instance()->get_widget_menu_class( $item );

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$output .= '<li class="themify-widget-menu">';

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$output .= sprintf( '', $menu_widget, $item->ID );

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if( $depth === 0 ) {

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$output .= '</ul>';

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}

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return $output;

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}

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/**

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* Render a Layout Part inside menu

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* $depth level

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* $class_names additional CSS classes to add to the menu wrapper

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* @return string

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function render_layout_part( $item,int $depth,string $class_names = '' ):string {

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$output = '';

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if( $depth === 0 ) {

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$title = apply_filters( 'the_title', $item->title, $item->ID );

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$output = "<li class='{$class_names}'><a role='button' tabindex='0'>" . $title . '<span class="child-arrow"></span></a><ul class="sub-menu tf_box">';

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}

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$output .= '<li class="themify-widget-menu">' . do_shortcode( sprintf( '[themify_layout_part id="%s"]', $item->object_id ) );

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if( $depth === 0 ) {

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$output .= '</ul>';

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}

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return $output;

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}

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function start_el( &$output, $item, $depth = 0, $args = array(), $current_object_id = 0 ) {

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$classes = empty ( $item->classes ) ? array () : (array) $item->classes;

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if( $item->type === 'taxonomy' ){

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$classes[]='mega-link';

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}

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$classes[]='menu-item-'.$item->ID;

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/** This filter is documented in wp-includes/class-walker-nav-menu.php */

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$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );

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$classes = implode(' ', apply_filters('nav_menu_css_class', array_keys(array_flip(array_filter($classes) )), $item, $args, $depth ));

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/** This filter is documented in wp-includes/class-walker-nav-menu.php */

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$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );

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/* handle the display of widget menu items */

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if( Themify_Widgets_Menu::get_instance()->is_menu_widget( $item ) ) {

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$item_output= $this->render_widget_menu( $item, $depth, $classes );

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} else if ( $item->type === 'post_type' && $item->object === 'tbuilder_layout_part' ) {

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$item_output = $this->render_layout_part( $item, $depth, $classes );

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} else {

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$li_attributes = [

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'id' => ! empty( $id ) ? $id : '',

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'class' => ! empty( $classes ) ? $classes : ''

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];

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/* required for "mega" menu type which displays posts from a taxonomy term */

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if ( $item->type === 'taxonomy' ) {

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$li_attributes['data-termid']= $item->object_id;

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$li_attributes['data-tax']= $item->object;

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}

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if ( $args->walker->has_children > 0 ) {

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$li_attributes['aria-haspopup'] = "true";

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}

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/** This filter is documented in wp-includes/class-walker-nav-menu.php */

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$li_attributes = apply_filters( 'nav_menu_item_attributes', $li_attributes, $item, $args, $depth );

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$output .= '<li ' . $this->build_atts( $li_attributes ) . '>';

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$atts = array();

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$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';

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$atts['target'] = ! empty( $item->target ) ? $item->target : '';

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if ( '_blank' === $item->target && empty( $item->xfn ) ) {

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$atts['rel'] = 'noopener';

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} else {

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$atts['rel'] = $item->xfn;

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}

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if ( ! empty( $item->url ) ) {

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if ( get_privacy_policy_url() === $item->url ) {

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$atts['rel'] = empty( $atts['rel'] ) ? 'privacy-policy' : $atts['rel'] . ' privacy-policy';

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}

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$atts['href'] = $item->url;

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} else {

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$atts['href'] = '';

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}

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$atts['aria-current'] = $item->current ? 'page' : '';

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/** This filter is documented in wp-includes/class-walker-nav-menu.php */

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$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );

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/** This filter is documented in wp-includes/post-template.php */

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$title = apply_filters( 'the_title', $item->title, $item->ID );

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/** This filter is documented in wp-includes/class-walker-nav-menu.php */

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$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );

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$item_output = $args->before. '<a ' . $this->build_atts( $atts ) . '>' . $args->link_before . $title;

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if(isset($args->post_count) && $args->post_count===true && $item->type==='taxonomy'){

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$term = get_term( $item->object_id, $item->object );

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$item_output.='<span class="tf_post_count">'.$term->count.'</span>';

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}

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if($args->walker->has_children>0){

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$item_output.='<span class="child-arrow"></span>';

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}

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if ( ! empty( $item->post_content ) && themify_check( 'menu_description', true ) ) {

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$item_output .= '<small>' . esc_html( $item->post_content ) . '</small>';

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}

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$item_output.='</a> ' . $args->link_after . $args->after;

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}

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$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );

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}

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/**

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* Start sub level markup

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* @param string $output

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* @param int $depth

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* @param array $args

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function start_lvl( &$output, $depth = 0, $args = array() ) {

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$cl='sub-menu';

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if(self::$hasLayout==='layout'){

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$cl.=' tf_scrollbar';

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}

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elseif(self::$hasLayout==='ajax'){

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$cl='tf_mega_taxes tf_left tf_box';

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$output.='<div class="mega-sub-menu sub-menu tf_scrollbar">';

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self::$open=true;

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}

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$output .= '<ul class="'.$cl.'">';

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}

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/**

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* End sub level markup

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* @param string $output

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* @param int $depth

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* @param array $args

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function end_lvl( &$output, $depth = 0, $args = array() ) {

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$output .= '</ul>';

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if(self::$open===true){

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self::$open=false;

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$output.='</div>';

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}

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}

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/**

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* Modify item rendering

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* @param object $item

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* @param array $children_elements

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* @param int $max_depth

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* @param int $depth

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* @param array $args

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* @param string $output

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* @return null|void

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* @since 1.0.0

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function display_element( $item, &$children_elements, $max_depth, $depth, $args, &$output ) {

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$id_field = $this->db_fields['id'];

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static $is=null;

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self::$hasLayout=false;

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if ( themify_is_menu_highlighted_link($item->ID) ) {

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$item->classes[] = 'highlight-link';

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}

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$cl=false;

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if ( in_array( 'mega', $item->classes,true ) || themify_is_mega_menu_type( $item->ID, 'mega' )){ // backward compatibility

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if($is===null){

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$is=true;

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self::preloadCssJs();

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}

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$item->classes[] = 'mega';

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$item->classes[] = 'has-mega-sub-menu';

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$item->classes[] = 'has-mega';

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self::$hasLayout='ajax';

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$cl='mega-sub-item';

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}

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elseif(in_array( 'columns', $item->classes,true ) || themify_is_mega_menu_type( $item->$id_field, 'column' )){// backwards compatibility

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if($is===null){

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$is=true;

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self::preloadCssJs();

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}

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$item->classes[] = 'has-mega-column';

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$item->classes[] = 'has-mega';

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if( $column_layout = get_post_meta( $item->ID, '_themify_mega_menu_columns_layout', true ) ) {

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$item->classes[] = 'layout-' . $column_layout;

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} else {

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$item->classes[] = 'layout-auto';

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}

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self::$hasLayout='layout';

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$cl='columns-sub-item';

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}

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elseif(($dropdown_columns = get_post_meta( $item->$id_field, '_themify_dropdown_columns', true ))){

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if($dropdown_columns>1){

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$item->classes[] = 'has-mega-dropdown dropdown-columns-' . $dropdown_columns;

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if($is===null){

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$is=true;

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self::preloadCssJs();

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}

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}

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}

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elseif(in_array( 'columns-sub-item', $item->classes,true ) ) {

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$cl='columns-sub-item';

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}

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if ( ! empty( $children_elements[ $item->$id_field ] ) ) {

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$item->classes[] = 'has-sub-menu';

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if ($cl!==false ) {

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foreach( $children_elements[ $item->$id_field ] as $child ) {

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$child->classes[] =$cl;

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}

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}

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}

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Walker_Nav_Menu::display_element( $item, $children_elements, $max_depth, $depth, $args, $output );

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}

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public static function preloadCssJs(){

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if(self::$disableAssetsLoading===false){

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if ( themify_is_themify_theme() ) {

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themify_enque_style('tf_megamenu',THEMIFY_URI . '/megamenu/css/style.css',null,THEMIFY_VERSION,'screen and (min-width:' . (Themify_Enqueue_Assets::$mobileMenuActive + 1) . 'px)');

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}

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Themify_Enqueue_Assets::addLocalization('done','tf_megamenu',true);

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}

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}

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/**

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* copy of Walker_Nav_Menu::build_atts, for compatibility with WP < 6.3.0

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* documented in wp-includes/class-walker-nav-menu.php

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protected function build_atts( $atts = array() ) {

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$attribute_string = '';

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foreach ( $atts as $attr => $value ) {

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if ( false !== $value && '' !== $value && is_scalar( $value ) ) {

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$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );

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$attribute_string .= ' ' . $attr . '="' . $value . '"';

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}

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}

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return $attribute_string;

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}

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}

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}

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if( ! function_exists('themify_theme_mega_get_posts') ) {

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/**

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* Returns posts from a taxonomy by a given term

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* @param $term_id

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* @param $taxonomy

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* @return string

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function themify_theme_mega_get_posts( $term_id, $taxonomy ):string {

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$taxObject = get_taxonomy( $taxonomy );

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if ( is_wp_error( $taxObject ) || empty( $taxObject ) ) {

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return '';

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}

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$postPerPage = themify_get( 'setting-mega_menu_posts', 5, true );

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$term_query_args = apply_filters( 'themify_mega_menu_query',

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array(

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'post_type' => $taxObject->object_type,

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'tax_query' => array(

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array(

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'taxonomy' => $taxonomy,

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'field' => 'id',

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'terms' => $term_id

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)

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'suppress_filters' => false,

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'posts_per_page' => $postPerPage

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)

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);

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$posts = get_posts( $term_query_args );

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if ( !empty($posts) ) {

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global $post;

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if ( isset( $post ) ){

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$saved_post = clone $post;

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}

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$template = locate_template( array(

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'includes/loop-megamenu-'.get_post_type().'.php',

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'includes/loop-megamenu.php',

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) );

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if ( ! $template ) {

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$template = THEMIFY_DIR . '/megamenu/templates/loop-megamenu.php';

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}

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ob_start();

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foreach( $posts as $p ) {

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$post=$p;

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setup_postdata( $p );

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include $template;

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}

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$mega_posts = ob_get_clean();

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unset($posts);

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if ( isset( $saved_post )) {

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$post = $saved_post;

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setup_postdata( $saved_post );

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unset($saved_post);

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}

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} else {

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$mega_posts = '<article itemscope itemtype="https://schema.org/Article" class="post"><p class="post-title">'.__('Error loading posts.', 'themify').'</p></article>';

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}

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return apply_filters( 'themify_mega_posts_output', $mega_posts, $term_id, $taxonomy );

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}

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}

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if( ! function_exists( 'themify_theme_mega_posts' ) ) {

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/**

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* Called with AJAX to return posts

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* @since 1.0.0

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function themify_theme_mega_posts() {

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$termid = isset( $_POST['termid'] )? $_POST['termid']: '';

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$taxonomy = isset( $_POST['tax'] )? $_POST['tax']: 'category';

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die(themify_theme_mega_get_posts( $termid, $taxonomy ));

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}

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}

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add_action('wp_ajax_themify_theme_mega_posts', 'themify_theme_mega_posts');

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add_action('wp_ajax_nopriv_themify_theme_mega_posts', 'themify_theme_mega_posts');

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/***************************************************

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* Themify Theme Access Point

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***************************************************/

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if ( ! function_exists( 'themify_theme_main_menu' ) ) {

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/**

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* Sets custom menu selected in page custom panel as navigation, otherwise sets the default.

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* @since 1.0.0

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function themify_theme_main_menu( $args = array() ) {

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$args['echo'] = false;

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$menu_type = 'main';

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if( 'no' !== themify_get( 'setting-mega_menu',false,true ) ) {

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$args['walker'] = new Themify_Mega_Menu_Walker;

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$menu_type = 'mega';

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}

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echo apply_filters( 'themify_' . $menu_type . '_menu_html', themify_menu_nav( $args ), $args );

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}

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}

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/**

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* Check if mega menu is enabled for a menu item

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* @param int $item_id

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* @param string $type

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* @return bool

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* @since 1.0.0

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function themify_is_mega_menu_type( $item_id, $type = 'mega' ) {

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if($type==='mega' || $type==='column' || $type==='dual'){

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$key=$type==='mega'?'item':$type;

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return get_post_meta( $item_id, '_themify_mega_menu_'.$key, true ) == '1';

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}

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}

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function themify_is_menu_highlighted_link( $item_id ) {

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return get_post_meta( $item_id, '_themify_highlight_link', true );

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}

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/**

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* Add the option to enable mega menu to taxonomy menu types

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* @since 1.0.0

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function themify_menu_mega_option( $item_id, $item, $depth, $args ) {

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$dropdown_columns = (int) get_post_meta( $item_id, '_themify_dropdown_columns', true );

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$is_mega = themify_is_mega_menu_type( $item_id, 'mega' );

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$is_column = !$is_mega && themify_is_mega_menu_type( $item_id, 'column' );

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$is_dropdown_column = !$is_column && ! empty( $dropdown_columns );

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$column_layout = get_post_meta( $item_id, '_themify_mega_menu_columns_layout', true );

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<?php _e( 'Mega Menu', 'themify' ) ?>

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<br />

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<select name="menu-item-tf-mega[<?php echo $item_id; ?>]" id="edit-menu-item-tf-mega-<?php echo $item_id?>" class="edit-menu-item-tf-mega themify_field_tf-mega widefat">

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</select>

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</label>

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<?php

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echo '<input type="hidden" name="menu-item-tf-mega-columns-layout[' . $item_id . ']" value="'.$column_layout.'" class="val">';

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foreach ( array(

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'' => __( 'Auto', 'themify' ),

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'4-8' => __( '1/3 - 2/3', 'themify' ),

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'8-4' => __( '2/3 - 1/3', 'themify' ),

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'6-3-3' => __( '2/4 - 1/4 - 1/4', 'themify' ),

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'3-3-6' => __( '1/4 - 1/4 - 2/4', 'themify' ),

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'3-6-3' => __( '1/4 - 2/4 - 1/4', 'themify' ),

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'3-9' => __( '1/4 - 3/4', 'themify' ),

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'9-3' => __( '3/4 - 1/4', 'themify' ),

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) as $key => $label ) {

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$selected = $column_layout === $key ? 'class="selected"' : '';

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echo '<a href="#" ' . $selected . ' data-value="'. $key . '" title="' . $label . '"></a>';

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}

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</div>

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</div>

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<?php _e( 'Dropdown Columns', 'themify' ) ?><br />

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<select name="menu-item-tf-dropdown_columns[<?php echo $item_id; ?>]" id="edit-menu-item-tf-dropdown_columns-<?php echo $item_id?>" class="edit-menu-item-tf-dropdown_columns">

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</select>

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</label>

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</p>

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<?php

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$allow_hightlight = apply_filters( 'themify_menu_highlight_link', false);

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if ($allow_hightlight) :

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$highlight = get_post_meta( $item_id, '_themify_highlight_link', true );

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<input type="checkbox" name="menu-item-tf-highlight[<?php echo $item_id; ?>]" value="1" <?php echo ($highlight ? 'checked="checked"' : ''); ?> id="edit-menu-item-tf-highlight-<?php echo $item_id?>" class="edit-menu-item-tf-highlight themify_field_tf-highlight widefat">

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<?php _e( 'Highlight this link', 'themify' ) ?><br />

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</label>

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</div>

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<?php endif;

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}

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add_action( 'wp_nav_menu_item_custom_fields', 'themify_menu_mega_option', 12, 4 );

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/**

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* Save the mega menu option for menu items

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* @since 1.0.0

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function themify_update_mega_menu_option( $menu_id, $menu_item_db_id, $args ) {

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$meta_keys = array(

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'_themify_mega_menu_item_tax' => 'menu-item-tf-mega_tax',

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'_themify_mega_menu_columns_layout' => 'menu-item-tf-mega-columns-layout',

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'_themify_highlight_link' => 'menu-item-tf-highlight',

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);

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/**

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* save Mega Menu <select> option

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* the Mega Menu option saves as two different custom fields, for backwards compatibility

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if ( isset( $_POST['menu-item-tf-mega'][$menu_item_db_id] ) ) {

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/* delete both keys first to ensure they are not both activated on a menu item at the same time */

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