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<?php
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
// Dont duplicate me!
if ( ! class_exists( 'Avada_Nav_Walker' ) ) {
/**
* The main navwalker.
*/
class Avada_Nav_Walker extends Walker_Nav_Menu {
/**
* Do we use default styling or a button?
*
* @access private
* @var string
*/
private $menu_style = '';
/**
* Are we currently rendering a mega menu?
*
* @access private
* @var string
*/
private $menu_megamenu_status = '';
/**
* Use full width mega menu?
*
* @access private
* @var string
*/
private $menu_megamenu_width = '';
/**
* How many columns should the mega menu have?
*
* @access private
* @var int
*/
private $num_of_columns = 0;
/**
* Mega menu allow for 6 columns at max.
*
* @access private
* @var int
*/
private $max_num_of_columns = 6;
/**
* Total number of columns for a single megamenu?
*
* @access private
* @var int
*/
private $total_num_of_columns = 0;
/**
* Number of rows in the mega menu.
*
* @access private
* @var int
*/
private $num_of_rows = 1;
/**
* Holds number of columns per row.
*
* @access private
* @var array
*/
private $submenu_matrix = array();
/**
* How large is the width of a column?
*
* @access private
* @var int|string
*/
private $menu_megamenu_columnwidth = 0;
/**
* How large is the width of each row?
*
* @access private
* @var array
*/
private $menu_megamenu_rowwidth_matrix = array();
/**
* How large is the overall width of a column?
*
* @access private
* @var int
*/
private $menu_megamenu_maxwidth = 0;
/**
* Should a colum title be displayed?
*
* @access private
* @var string
*/
private $menu_megamenu_title = '';
/**
* Should one column be a widget area?
*
* @access private
* @var string
*/
private $menu_megamenu_widget_area = '';
/**
* Does the item have an icon?
*
* @access private
* @var string
*/
private $menu_megamenu_icon = '';
/**
* Does the item have a thumbnail?
*
* @access private
* @var string
*/
private $menu_megamenu_thumbnail = '';
/**
* Middle logo menu breaking point
*
* @access private
* @var init
*/
private $middle_logo_menu_break_point = null;
/**
* Middle logo menu number of top level items displayed
*
* @access private
* @var init
*/
private $no_of_top_level_items_displayed = 0;
/**
* Sets the overall width of the megamenu wrappers
*/
private function set_megamenu_max_width() {
// Set overall width of megamenu.
$site_width = (int) str_replace( 'px', '', Avada()->settings->get( 'site_width' ) );
$megamenu_max_width = (int) Avada()->settings->get( 'megamenu_max_width' );
$megmanu_width = 0;
$megamenu_width = $megamenu_max_width;
// Site width in px.
if ( false !== strpos( Avada()->settings->get( 'site_width' ), 'px' ) ) {
$megamenu_width = $site_width;
if ( $site_width > $megamenu_max_width && 0 < $megamenu_max_width ) {
$megamenu_width = $megamenu_max_width;
}
}
$this->menu_megamenu_maxwidth = $megamenu_width;
}
/**
* Start level.
*
* @see Walker::start_lvl()
* @since 3.0.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
* @param array $args Not used.
*/
public function start_lvl( &$output, $depth = 0, $args = array() ) {
if ( 0 === $depth && 'enabled' === $this->menu_megamenu_status ) {
// Set overall width of megamenu.
if ( ! $this->menu_megamenu_maxwidth ) {
$this->set_megamenu_max_width();
}
$output .= '{first_level}';
$output .= '<div class="fusion-megamenu-holder" {megamenu_final_width}><ul class="fusion-megamenu {megamenu_border}">';
} elseif ( 2 <= $depth && 'enabled' === $this->menu_megamenu_status ) {
$output .= '<ul class="sub-menu deep-level">';
} else {
$output .= '<ul class="sub-menu">';
}
}
/**
* End level.
*
* @see Walker::end_lvl()
* @since 3.0.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of page. Used for padding.
* @param array $args Not used.
*/
public function end_lvl( &$output, $depth = 0, $args = array() ) {
$row_width = '';
if ( 0 === $depth && 'enabled' === $this->menu_megamenu_status ) {
$output .= '</ul></div><div style="clear:both;"></div></div></div>';
if ( $this->total_num_of_columns < $this->max_num_of_columns ) {
$col_span = ' col-span-' . $this->total_num_of_columns * 2;
} else {
$col_span = ' col-span-' . $this->max_num_of_columns * 2;
}
if ( 'fullwidth' === $this->menu_megamenu_width ) {
$col_span = ' col-span-12 fusion-megamenu-fullwidth';
// Overall megamenu wrapper width in px is max width for fullwidth megamenu.
$wrapper_width = $this->menu_megamenu_maxwidth;
} else {
// Calc overall megamenu wrapper width in px.
$wrapper_width = max( $this->menu_megamenu_rowwidth_matrix ) * $this->menu_megamenu_maxwidth;
}
$output = str_replace( '{first_level}', '<div class="fusion-megamenu-wrapper {fusion_columns} columns-' . $this->total_num_of_columns . $col_span . '" data-maxwidth="' . $this->menu_megamenu_maxwidth . '"><div class="row">', $output );
$output = str_replace( '{megamenu_final_width}', 'style="width:' . $wrapper_width . 'px;" data-width="' . $wrapper_width . '"', $output );
if ( $this->total_num_of_columns > $this->max_num_of_columns ) {
$output = str_replace( '{megamenu_border}', 'fusion-megamenu-border', $output );
} else {
$output = str_replace( '{megamenu_border}', '', $output );
}
foreach ( $this->submenu_matrix as $row => $columns ) {
$layout_columns = 12 / $columns;
$layout_columns = ( '5' == $columns ) ? 2 : $layout_columns;
if ( $columns < $this->max_num_of_columns ) {
$row_width = 'style="width:' . $columns / $this->max_num_of_columns * 100 . '% !important;"';
}
$output = str_replace( '{row_width_' . $row . '}', $row_width, $output );
if ( ( $row - 1 ) * $this->max_num_of_columns + $columns < $this->total_num_of_columns ) {
$output = str_replace( '{row_number_' . $row . '}', 'fusion-megamenu-row-columns-' . $columns . ' fusion-megamenu-border', $output );
} else {
$output = str_replace( '{row_number_' . $row . '}', 'fusion-megamenu-row-columns-' . $columns, $output );
}
$output = str_replace( '{current_row_' . $row . '}', 'fusion-megamenu-columns-' . $columns . ' col-lg-' . $layout_columns . ' col-md-' . $layout_columns . ' col-sm-' . $layout_columns, $output );
$output = str_replace( '{fusion_columns}', 'fusion-columns-' . $columns . ' columns-per-row-' . $columns, $output );
}
} else {
$output .= '</ul>';
}
}
/**
* Start element.
*
* @see Walker::start_el()
* @since 3.0.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args The arguments.
* @param int $id Menu item ID.
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$item_output = $class_columns = '';
if ( Avada()->settings->get( 'header_layout' ) == 'v7' ) {
if ( ! isset( $this->middle_logo_menu_break_point ) ) {
$is_search_icon_enabled = Avada()->settings->get( 'main_nav_search_icon' );
$is_cart_icon_enabled = Avada()->settings->get( 'woocommerce_cart_link_main_nav' );
$middle_logo_menu_elements = wp_get_nav_menu_items( $args->menu );
$middle_logo_menu_top_level_elements = 0;
foreach ( $middle_logo_menu_elements as $menu_element ) {
if ( '0' === $menu_element->menu_item_parent ) {
$middle_logo_menu_top_level_elements++;
}
}
if ( $is_search_icon_enabled ) {
$middle_logo_menu_top_level_elements++;
}
if ( $is_cart_icon_enabled ) {
$middle_logo_menu_top_level_elements++;
}
$top_level_menu_items_count = count( $middle_logo_menu_top_level_elements );
if ( 0 === $top_level_menu_items_count ) {
$this->middle_logo_menu_break_point = $middle_logo_menu_top_level_elements / 2;
} else {
if ( $is_search_icon_enabled || $is_cart_icon_enabled ) {
$this->middle_logo_menu_break_point = floor( $middle_logo_menu_top_level_elements / 2 );
} else {
$this->middle_logo_menu_break_point = ceil( $middle_logo_menu_top_level_elements / 2 );
}
}
}
}
// Set some vars.
// Megamenu is enabled.
if ( Avada()->settings->get( 'disable_megamenu' ) ) {
if ( 0 === $depth ) {
$this->menu_megamenu_status = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_status', true );
$this->menu_megamenu_width = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_width', true );
$allowed_columns = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_columns', true );
if ( 'auto' !== $allowed_columns ) {
$this->max_num_of_columns = $allowed_columns;
}
$this->num_of_columns = $this->total_num_of_columns = 0;
$this->num_of_rows = 1;
$this->menu_megamenu_rowwidth_matrix = array();
$this->menu_megamenu_rowwidth_matrix[ $this->num_of_rows ] = 0;
}
$this->menu_style = get_post_meta( $item->ID, '_menu_item_fusion_menu_style', true );
$this->menu_megamenu_title = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_title', true );
$this->menu_megamenu_widgetarea = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_widgetarea', true );
$this->menu_megamenu_icon = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_icon', true );
$this->menu_megamenu_thumbnail = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_thumbnail', true );
// Megamenu is disabled.
} else {
$this->menu_megamenu_status = 'disabled';
$this->menu_style = get_post_meta( $item->ID, '_menu_item_fusion_menu_style', true );
$this->menu_megamenu_icon = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_icon', true );
}
// We are inside a megamenu.
if ( 1 === $depth && 'enabled' === $this->menu_megamenu_status ) {
if ( get_post_meta( $item->ID, '_menu_item_fusion_megamenu_columnwidth', true ) ) {
$this->menu_megamenu_columnwidth = get_post_meta( $item->ID, '_menu_item_fusion_megamenu_columnwidth', true );
} else {
if ( 'fullwidth' === $this->menu_megamenu_width && $this->max_num_of_columns ) {
$this->menu_megamenu_columnwidth = 100 / $this->max_num_of_columns . '%';
} elseif ( '1' == $this->max_num_of_columns ) {
$this->menu_megamenu_columnwidth = '100%';
} else {
$this->menu_megamenu_columnwidth = '16.6666%';
}
}
$this->num_of_columns++;
$this->total_num_of_columns++;
// Check if we need to start a new row.
if ( $this->num_of_columns > $this->max_num_of_columns ) {
$this->num_of_columns = 1;
$this->num_of_rows++;
// Start new row width calculation.
$this->menu_megamenu_rowwidth_matrix[ $this->num_of_rows ] = floatval( $this->menu_megamenu_columnwidth ) / 100;
$output .= '</ul><ul class="fusion-megamenu fusion-megamenu-row-' . $this->num_of_rows . ' {row_number_' . $this->num_of_rows . '}" {row_width_' . $this->num_of_rows . '}>';
} else {
$this->menu_megamenu_rowwidth_matrix[ $this->num_of_rows ] += floatval( $this->menu_megamenu_columnwidth ) / 100;
}
$this->submenu_matrix[ $this->num_of_rows ] = $this->num_of_columns;
if ( $this->max_num_of_columns < $this->num_of_columns ) {
$this->max_num_of_columns = $this->num_of_columns;
}
$title = apply_filters( 'the_title', $item->title, $item->ID );
if ( ! ( ( empty( $item->url ) || '#' === $item->url || 'http://' === $item->url ) && 'disabled' === $this->menu_megamenu_title ) ) {
$heading = do_shortcode( $title );
$link = '';
$link_closing = '';
$target = '';
$link_class = '';
if ( ! empty( $item->url ) && '#' !== $item->url && 'http://' !== $item->url ) {
if ( ! empty( $item->target ) ) {
$target = ' target="' . $item->target . '"';
}
if ( 'disabled' === $this->menu_megamenu_title ) {
$link_class = ' class="fusion-megamenu-title-disabled"';
}
$link = '<a href="' . $item->url . '"' . $target . $link_class . '>';
$link_closing = '</a>';
}
// Check if we need to set an image.
$title_enhance = '';
if ( ! empty( $this->menu_megamenu_thumbnail ) ) {
$title_enhance = '<span class="fusion-megamenu-icon"><img src="' . $this->menu_megamenu_thumbnail . '"></span>';
} elseif ( ! empty( $this->menu_megamenu_icon ) ) {
$title_enhance = '<span class="fusion-megamenu-icon"><i class="fa glyphicon ' . avada_font_awesome_name_handler( $this->menu_megamenu_icon ) . '"></i></span>';
} elseif ( 'disabled' === $this->menu_megamenu_title ) {
$title_enhance = '<span class="fusion-megamenu-bullet"></span>';
}
$heading = $link . $title_enhance . $title . $link_closing;
if ( 'disabled' !== $this->menu_megamenu_title ) {
$item_output .= "<div class='fusion-megamenu-title'>" . $heading . '</div>';
} else {
$item_output .= $heading;
}
}
if ( $this->menu_megamenu_widgetarea && is_active_sidebar( $this->menu_megamenu_widgetarea ) ) {
ob_start();
dynamic_sidebar( $this->menu_megamenu_widgetarea );
$item_output .= '<div class="fusion-megamenu-widgets-container second-level-widget">' . ob_get_clean() . '</div>';
}
$class_columns = ' {current_row_' . $this->num_of_rows . '}';
} elseif ( 2 === $depth && 'enabled' === $this->menu_megamenu_status && $this->menu_megamenu_widgetarea ) {
if ( is_active_sidebar( $this->menu_megamenu_widgetarea ) ) {
ob_start();
dynamic_sidebar( $this->menu_megamenu_widgetarea );
$item_output .= '<div class="fusion-megamenu-widgets-container third-level-widget">' . ob_get_clean() . '</div>';
}
} else {
$atts = array();
$atts['title'] = ! empty( $item->attr_title ) ? esc_attr( $item->attr_title ) : '';
$atts['target'] = ! empty( $item->target ) ? esc_attr( $item->target ) : '';
$atts['rel'] = ! empty( $item->xfn ) ? esc_attr( $item->xfn ) : '';
$atts['href'] = ! empty( $item->url ) ? esc_attr( $item->url ) : '';
if ( 'v7' === Avada()->settings->get( 'header_layout' ) && '0' === $item->menu_item_parent ) {
$atts['class'] = 'fusion-top-level-link';
}
if ( '_blank' === $atts['target'] ) {
$atts['rel'] = ( ( $atts['rel'] ) ? $atts['rel'] . ' noopener noreferrer' : 'noopener noreferrer' );
}
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( ! empty( $value ) ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
$item_output .= $args->before . '<a ' . $attributes . '>';
// For right side header add the caret icon at the beginning.
if ( 0 === $depth && $args->has_children && Avada()->settings->get( 'menu_display_dropdown_indicator' ) && 'v6' !== Avada()->settings->get( 'header_layout' ) && 'Right' === Avada()->settings->get( 'header_position' ) ) {
$item_output .= ' <span class="fusion-caret"><i class="fusion-dropdown-indicator"></i></span>';
}
// Check if we need to set an image.
$icon_wrapper_class = 'fusion-megamenu-icon';
if ( 0 === $depth && $this->menu_style ) {
$icon_wrapper_class = ( is_rtl() ) ? 'button-icon-divider-right' : 'button-icon-divider-left';
}
$icon = '';
if ( ! empty( $this->menu_megamenu_thumbnail ) && 'enabled' === $this->menu_megamenu_status ) {
$icon = '<span class="' . $icon_wrapper_class . ' fusion-megamenu-image"><img src="' . $this->menu_megamenu_thumbnail . '"></span>';
} elseif ( ! empty( $this->menu_megamenu_icon ) ) {
$icon = '<span class="' . $icon_wrapper_class . '"><i class="fa glyphicon ' . $this->menu_megamenu_icon . '"></i></span>';
} elseif ( 0 !== $depth && 'enabled' === $this->menu_megamenu_status ) {
$icon = '<span class="fusion-megamenu-bullet"></span>';
}
$classes = '';
// Check if we have a menu button.
if ( 0 === $depth ) {
$classes = 'menu-text';
if ( $this->menu_style ) {
$classes .= ' fusion-button button-default ' . str_replace( 'fusion-', '', $this->menu_style );
// Button should have 3D effect.
if ( '3d' === Avada()->settings->get( 'button_type' ) ) {
$classes .= ' button-3d';
}
}
$item_output .= '<span class="' . $classes . '">' . $icon;
// Normal menu item.
} else {
$item_output .= $icon . '<span class="' . $classes . '">';
}
$title = $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
if ( false !== strpos( $icon, 'button-icon-divider-left' ) ) {
$title = '<span class="fusion-button-text-left">' . $title . '</span>';
} elseif ( false !== strpos( $icon, 'button-icon-divider-right' ) ) {
$title = '<span class="fusion-button-text-right">' . $title . '</span>';
}
$item_output .= $title;
$item_output .= '</span>';
// For top header and left side header add the caret icon at the end.
if ( 0 === $depth && $args->has_children && Avada()->settings->get( 'menu_display_dropdown_indicator' ) && 'v6' !== Avada()->settings->get( 'header_layout' ) && 'Right' !== Avada()->settings->get( 'header_position' ) ) {
$item_output .= ' <span class="fusion-caret"><i class="fusion-dropdown-indicator"></i></span>';
}
$item_output .= '</a>' . $args->after;
}
// Check if we need to apply a divider.
if ( 'enabled' !== $this->menu_megamenu_status && ( ( 0 == strcasecmp( $item->attr_title, 'divider' ) ) || ( 0 == strcasecmp( $item->title, 'divider' ) ) ) ) {
$output .= '<li role="presentation" class="divider">';
} else {
$class_names = '';
$column_width = '';
$custom_class_data = '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
if ( 0 === $depth && $args->has_children ) {
$class_names .= ( 'enabled' === $this->menu_megamenu_status ) ? ' fusion-megamenu-menu' : ' fusion-dropdown-menu';
}
if ( 0 === $depth && $this->menu_style ) {
$class_names .= ' fusion-menu-item-button';
}
if ( 1 === $depth ) {
if ( 'enabled' === $this->menu_megamenu_status ) {
$class_names .= ' fusion-megamenu-submenu';
if ( 'disabled' === $this->menu_megamenu_title ) {
$class_names .= ' fusion-megamenu-submenu-notitle';
}
if ( 'fullwidth' !== $this->menu_megamenu_width ) {
$width = $this->menu_megamenu_maxwidth * floatval( $this->menu_megamenu_columnwidth ) / 100;
$column_width = 'style="width:' . $width . 'px;max-width:' . $width . 'px;" data-width="' . $width . '"';
}
} else {
$class_names .= ' fusion-dropdown-submenu';
}
}
if ( isset( $item->classes[0] ) && ! empty( $item->classes[0] ) ) {
$custom_class_data = ' data-classes="' . $item->classes[0] . '"';
}
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . $class_columns . '"' : '';
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args );
$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
$output .= '<li ' . $id . ' ' . $class_names . ' ' . $column_width . $custom_class_data . ' >';
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
}
/**
* End Element.
*
* @see Walker::end_el()
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $item Page data object. Not used.
* @param int $depth Depth of page. Not Used.
* @param array $args Not used.
*/
function end_el( &$output, $item, $depth = 0, $args = array() ) {
$output .= '</li>';
if ( '0' === $item->menu_item_parent ) {
$this->no_of_top_level_items_displayed++;
}
if ( 'v7' === Avada()->settings->get( 'header_layout' ) && 'Top' === Avada()->settings->get( 'header_position' ) && $this->middle_logo_menu_break_point == $this->no_of_top_level_items_displayed && '0' === $item->menu_item_parent ) {
ob_start();
get_template_part( 'templates/logo' );
$output .= ob_get_clean();
}
}
/**
* Traverse elements to create list from elements.
*
* Display one element if the element doesn't have any children otherwise,
* display the element and its children. Will only traverse up to the max
* depth and no ignore elements under that depth.
*
* This method shouldn't be called directly, use the walk() method instead.
*
* @see Walker::start_el()
* @since 2.5.0
*
* @param object $element Data object.
* @param array $children_elements List of elements to continue traversing.
* @param int $max_depth Max depth to traverse.
* @param int $depth Depth of current element.
* @param array $args The arguments.
* @param string $output Passed by reference. Used to append additional content.
* @return null Null on failure with no changes to parameters.
*/
public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
if ( ! $element ) {
return;
}
$id_field = $this->db_fields['id'];
// Display this element.
if ( is_object( $args[0] ) ) {
$args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] );
}
parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
}
/**
* Menu Fallback
* =============
* If this function is assigned to the wp_nav_menu's fallback_cb variable
* and a manu has not been assigned to the theme location in the WordPress
* menu manager the function with display nothing to a non-logged in user,
* and will add a link to the WordPress menu manager if logged in as an admin.
*
* @param array $args passed from the wp_nav_menu function.
*/
public static function fallback( $args ) {
if ( current_user_can( 'manage_options' ) ) {
return null;
}
}
}
}
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