Astra_Custom_Nav_Walker
Description
Source
File: addons/nav-menu/classes/class-astra-custom-nav-walker.php
class Astra_Custom_Nav_Walker extends Walker_Nav_Menu {
/**
* 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;
/**
* Menu item ID.
*
* @access private
* @var int
*/
private $menu_megamenu_item_id = 0;
/**
* Starts the list before the elements are added.
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args An array of arguments. @see wp_nav_menu().
*/
public function start_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat( "\t", $depth );
$style = '';
if ( 0 === $depth && '' != $this->megamenu && 'ast-hf-mobile-menu' !== $args->menu_id ) {
$style = array(
'.ast-desktop .menu-item-' . $this->menu_megamenu_item_id . ' .menu-item > .menu-link, .menu-item-' . $this->menu_megamenu_item_id . ' .menu-item .sub-menu > .menu-link, .ast-desktop .ast-container .menu-item-' . $this->menu_megamenu_item_id . ' .menu-item:hover' => array(
'color' => $this->megamenu_text_color,
),
'.ast-container .menu-item-' . $this->menu_megamenu_item_id . ' .menu-item .sub-menu .menu-item:hover, .ast-desktop .ast-container .menu-item-' . $this->menu_megamenu_item_id . ' .menu-item .menu-link:hover, .ast-container .menu-item-' . $this->menu_megamenu_item_id . ' .menu-item .sub-menu .menu-link:hover' => array(
'color' => $this->megamenu_text_h_color,
),
);
$megamenu_divider_class = '';
if ( isset( $this->megamenu_divider_color ) && '' != $this->megamenu_divider_color ) {
$megamenu_divider_class = ' astra-megamenu-has-divider';
$style[ '.ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ':hover .astra-megamenu > .menu-item' ] = array(
'border-right' => '1px solid ' . $this->megamenu_divider_color,
);
}
if ( isset( $this->megamenu_separator_color ) && '' != $this->megamenu_separator_color ) {
$style['.ast-desktop .astra-megamenu-li .sub-menu .menu-item-heading > .menu-link'] = array(
'border-bottom' => '1px solid ' . $this->megamenu_separator_color,
);
}
if ( isset( $this->megamenu_bg_image ) ) {
$bg_object = array(
'background-color' => $this->megamenu_bg_color,
'background-image' => $this->megamenu_bg_image,
'background-repeat' => $this->megamenu_bg_repeat,
'background-size' => $this->megamenu_bg_size,
'background-position' => $this->megamenu_bg_position,
);
$style[ '.ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-full-megamenu-wrapper, .ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-mega-menu-width-menu-container, .ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-mega-menu-width-content, .ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-mega-menu-width-custom' ] = astra_get_megamenu_background_obj( $bg_object );
}
if ( 'custom' === $this->megamenu_width ) {
$megamenu_custom_width = $this->megamenu_custom_width;
$megamenu_custom_width = ( isset( $megamenu_custom_width ) && ! empty( $megamenu_custom_width ) ) ? $megamenu_custom_width : 1200;
$style[ '.ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-mega-menu-width-custom:before' ] = array(
'content' => '"' . $megamenu_custom_width . '"',
'opacity' => 0,
);
}
// Advanced spacing options.
$margin_object = array(
'margin-top' => $this->megamenu_margin_top,
'margin-right' => $this->megamenu_margin_right,
'margin-bottom' => $this->megamenu_margin_bottom,
'margin-left' => $this->megamenu_margin_left,
);
$style[ '.ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' div.astra-full-megamenu-wrapper, .ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' ul.astra-mega-menu-width-menu-container, .ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' ul.astra-mega-menu-width-content, .ast-desktop .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' ul.astra-mega-menu-width-custom' ] = astra_get_megamenu_spacing_css( $margin_object );
$padding_object = array(
'padding-top' => $this->megamenu_padding_top,
'padding-right' => $this->megamenu_padding_right,
'padding-bottom' => $this->megamenu_padding_bottom,
'padding-left' => $this->megamenu_padding_left,
);
$style[ '.ast-desktop .ast-mega-menu-enabled .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-full-megamenu-wrapper, .ast-desktop .ast-mega-menu-enabled .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-mega-menu-width-menu-container, .ast-desktop .ast-mega-menu-enabled .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-mega-menu-width-content, .ast-desktop .ast-mega-menu-enabled .astra-megamenu-li.menu-item-' . $this->menu_megamenu_item_id . ' .astra-mega-menu-width-custom' ] = astra_get_megamenu_spacing_css( $padding_object );
Astra_Ext_Nav_Menu_Loader::add_css( astra_parse_css( $style ) );
if ( 'full' === $this->megamenu_width || 'full-stretched' === $this->megamenu_width ) {
// Adding "hidden" class to fix the visibility issue during page load.
$output .= "\n$indent<div " . astra_attr(
'ast-megamenu-full-attr',
array(
'class' => 'astra-full-megamenu-wrapper ast-hidden' . esc_attr( $megamenu_divider_class ),
)
) . ">\n";
}
// Adding "hidden" class to fix the visibility issue during page load.
$output .= "\n$indent<ul " . astra_attr(
'ast-megamenu-attr',
array(
'class' => "astra-megamenu sub-menu astra-mega-menu-width-{$this->megamenu_width}" . esc_attr( $megamenu_divider_class ) . ' ast-hidden',
)
) . ">\n";
} elseif ( 2 <= $depth && '' != $this->megamenu ) {
$output .= "\n$indent<ul class='astra-nested-sub-menu sub-menu'\">\n";
} else {
$output .= "\n$indent<ul class=\"sub-menu\">\n";
}
}
/**
* Modified the menu output.
*
* @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 An array of arguments. @see wp_nav_menu().
* @param int $id Current item ID.
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
global $wp_query;
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
if ( 0 === $depth ) {
$this->megamenu = get_post_meta( $item->ID, '_menu_item_megamenu', true );
$this->megamenu_width = get_post_meta( $item->ID, '_menu_item_megamenu_width', true );
$this->megamenu_custom_width = get_post_meta( $item->ID, '_menu_item_megamenu_custom_width', true );
$this->megamenu_bg_image = get_post_meta( $item->ID, '_menu_item_megamenu_background_image', true );
$this->megamenu_text_color = get_post_meta( $item->ID, '_menu_item_megamenu_text_color', true );
$this->megamenu_text_h_color = get_post_meta( $item->ID, '_menu_item_megamenu_text_h_color', true );
$this->megamenu_bg_size = get_post_meta( $item->ID, '_menu_item_megamenu_bg_size', true );
$this->megamenu_bg_repeat = get_post_meta( $item->ID, '_menu_item_megamenu_bg_repeat', true );
$this->megamenu_bg_position = get_post_meta( $item->ID, '_menu_item_megamenu_bg_position', true );
$this->megamenu_bg_color = get_post_meta( $item->ID, '_menu_item_megamenu_bg_color', true );
$this->megamenu_divider_color = get_post_meta( $item->ID, '_menu_item_megamenu_column_divider_color', true );
$this->num_of_columns = 0;
$this->menu_megamenu_item_id = $item->ID;
$this->megamenu_margin_top = get_post_meta( $item->ID, '_menu_item_megamenu_margin_top', true );
$this->megamenu_margin_right = get_post_meta( $item->ID, '_menu_item_megamenu_margin_right', true );
$this->megamenu_margin_bottom = get_post_meta( $item->ID, '_menu_item_megamenu_margin_bottom', true );
$this->megamenu_margin_left = get_post_meta( $item->ID, '_menu_item_megamenu_margin_left', true );
$this->megamenu_padding_top = get_post_meta( $item->ID, '_menu_item_megamenu_padding_top', true );
$this->megamenu_padding_right = get_post_meta( $item->ID, '_menu_item_megamenu_padding_right', true );
$this->megamenu_padding_bottom = get_post_meta( $item->ID, '_menu_item_megamenu_padding_bottom', true );
$this->megamenu_padding_left = get_post_meta( $item->ID, '_menu_item_megamenu_padding_left', true );
}
$this->menu_megamenu_individual_item_id = $item->ID;
$this->megamenu_disable_link = get_post_meta( $item->ID, '_menu_item_megamenu_disable_link', true );
$this->megamenu_disable_title = get_post_meta( $item->ID, '_menu_item_megamenu_disable_title', true );
$this->megamenu_enable_heading = get_post_meta( $item->ID, '_menu_item_megamenu_enable_heading', true );
$this->megamenu_separator_color = get_post_meta( $item->ID, '_menu_item_megamenu_heading_separator_color', true );
// Set up empty variable.
$class_names = '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
if ( 'megamenu' === $this->megamenu && 'enable-heading' === $item->megamenu_enable_heading /*&& 0 != $depth*/ ) {
$classes[] = 'menu-item-heading';
}
if ( isset( $this->megamenu_separator_color ) && '' != $this->megamenu_separator_color ) {
$style = array(
'.ast-desktop .astra-megamenu-li .menu-item-' . $this->menu_megamenu_individual_item_id . '.menu-item-heading > .menu-link, .ast-desktop .ast-mega-menu-enabled.submenu-with-border .astra-megamenu-li .menu-item-' . $this->menu_megamenu_individual_item_id . '.menu-item-heading > .menu-link, .ast-desktop .ast-mega-menu-enabled .astra-megamenu-li .menu-item-' . $this->menu_megamenu_individual_item_id . '.menu-item-heading > .menu-link' => array(
'border-bottom' => '1px solid ' . $this->megamenu_separator_color,
),
);
Astra_Ext_Nav_Menu_Loader::add_css( astra_parse_css( $style ) );
}
// Mega menu and Hide headings.
if ( 0 === $depth && $this->has_children && '' != $this->megamenu && 'ast-hf-mobile-menu' !== $args->menu_id ) {
$classes[] = 'astra-megamenu-li ' . $this->megamenu_width . '-width-mega';
}
if ( $item->description ) {
$classes[] = 'ast-mm-has-desc';
}
/**
* Filters the arguments for a single nav menu item.
*
* @since 4.4.0
*
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
*/
$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );
/**
* Filters the CSS class(es) applied to a menu item's list item element.
*
* @since 3.0.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param array $classes The CSS classes that are applied to the menu item's `<li>` element.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
/**
* Filters the ID applied to a menu item's list item element.
*
* @since 3.0.1
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string $menu_id The ID that is applied to the menu item's `<li>` element.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );
$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
$output .= $indent . '<li' . $id . $class_names . '>';
$atts = array();
$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';
$atts['target'] = ! empty( $item->target ) ? $item->target : '';
$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';
$atts['href'] = ! empty( $item->url ) ? $item->url : '';
/**
* Passing Attr Classes to the filter in order to not override the existing CSS classes using the filter 'nav_menu_link_attributes' added from theme.
*
* This resolves the cloning Menu CSS for menu added after Primary Menu issue + 'MegaMenu Hide Menu Label / Description?' option not working issue.
*
* @since 3.1.0
*/
$item_output = $args->before;
$link_classes = array();
if ( 'disable-link' === $item->megamenu_disable_link ) {
$link_classes[] = 'ast-disable-link';
}
if ( 'disable-title' === $item->megamenu_disable_title ) {
$link_classes[] = 'ast-hide-menu-item';
}
$link_classes_str = join( ' ', $link_classes );
$atts['class'] = ! empty( $link_classes_str ) ? $link_classes_str : '';
/**
* Filters the HTML attributes applied to a menu item's anchor element.
*
* @since 3.6.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param array $atts {
* The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
*
* @type string $title Title attribute.
* @type string $target Target attribute.
* @type string $rel The rel attribute.
* @type string $href The href attribute.
* }
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$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 );
if ( 'href' === $attr && 'disable-link' === $item->megamenu_disable_link ) {
$value = 'javascript:void(0)';
}
if ( 'class' !== $attr ) {
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
}
/** This filter is documented in wp-includes/post-template.php */
$title = apply_filters( 'the_title', $item->title, $item->ID );
/**
* Filters a menu item's title.
*
* @since 4.4.0
*
* @param string $title The menu item's title.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );
// Wrap menu text in a span tag.
$title = '<span class="menu-text">' . $title . '</span>';
$item_output .= '<a' . $attributes . ' class="' . $atts['class'] . '">';
if ( isset( $item->megamenu_highlight_label ) && '' != $item->megamenu_highlight_label ) {
$style = array(
'.ast-desktop .menu-item-' . $item->ID . ' .astra-mm-highlight-label' => array(
'color' => $item->megamenu_label_color,
'background-color' => $item->megamenu_label_bg_color,
),
);
Astra_Ext_Nav_Menu_Loader::add_css( astra_parse_css( $style ) );
$title .= '<span class="astra-mm-highlight-label">' . esc_html( $item->megamenu_highlight_label ) . '</span>';
}
$item_output .= Astra_Icons::get_icons( 'arrow' );
$item_output .= $args->link_before . $title . $args->link_after;
if ( $args->walker->has_children ) {
$item_output .= Astra_Icons::get_icons( 'arrow' );
}
if ( 0 == $depth && 'ast-hf-mobile-menu' !== $args->menu_id ) {
$item_output .= '<span class="sub-arrow"></span>';
}
$item_output .= '</a>';
if ( '' != $this->megamenu && isset( $item->megamenu_content_src ) && 'default' != $item->megamenu_content_src ) {
ob_start();
$content = '';
switch ( $item->megamenu_content_src ) {
case 'template':
// Get ID.
$template_id = $item->megamenu_template;
// Get template content.
if ( ! empty( $template_id ) ) {
$content .= '<div class="ast-mm-custom-content ast-mm-template-content">';
$page_builder_base_instance = Astra_Addon_Page_Builder_Compatibility::get_instance();
$page_builder_instance = $page_builder_base_instance->get_active_page_builder( $template_id );
$page_builder_instance->render_content( $template_id );
$content .= ob_get_contents();
$content .= '</div>';
}
break;
case 'custom_text':
$content = '<div class="ast-mm-custom-content ast-mm-custom-text-content">';
$content .= do_shortcode( $item->megamenu_custom_text );
$content .= '</div>';
break;
case 'widget':
$astra_nav_support_object = Astra_Ext_Nav_Widget_Support::get_instance();
$widgets = explode( ',', $item->megamenu_widgets_list );
if ( ! empty( $widgets ) ) {
$content = '<div class="ast-mm-custom-content ast-mm-widget-content">';
foreach ( $widgets as $widget_id ) {
$content .= $astra_nav_support_object->display_widget( $widget_id );
}
$content .= '</div>';
}
break;
default:
// code...
break;
}
ob_end_clean();
$item_output .= $content;
}
$item_output .= $args->after;
/**
* Filters a menu item's starting output.
*
* The menu item's starting output only includes `$args->before`, the opening `<a>`,
* the menu item's title, the closing `</a>`, and `$args->after`. Currently, there is
* no filter for modifying the opening and closing `<li>` for a menu item.
*
* @since 3.0.0
*
* @param string $item_output The menu item's starting HTML output.
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
/**
* Modified the menu end.
*
* @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 $args An array of arguments. @see wp_nav_menu().
*/
public function end_el( &$output, $item, $depth = 0, $args = array() ) {
// </li> output.
$output .= '</li>';
}
/**
* Ends the list of after the elements are added.
*
* @param string $output Passed by reference. Used to append additional content.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args An array of arguments. @see wp_nav_menu().
*/
public function end_lvl( &$output, $depth = 0, $args = array() ) {
$indent = str_repeat( "\t", $depth );
$output .= "$indent</ul>\n";
}
}
Expand full source code Collapse full source code View on Trac
Methods
- end_el — Modified the menu end.
- end_lvl — Ends the list of after the elements are added.
- get_post_meta — Parse post meta of particular passed key & return its value.
- start_el — Modified the menu output.
- start_lvl — Starts the list before the elements are added.