item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
// Default class for dropdown menu
if ( $depth == 0 ) {
$classes = array( 'dropdown-menu' );
} else {
$classes = array( 'sub-dropdown-menu' );
}
/**
* Filters the CSS class(es) applied to a menu list element.
*
* @since WP 4.8.0
*
* @param array $classes The CSS classes that are applied to the menu `` element.
* @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_submenu_css_class', $classes, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
// Find labelledby attribute for accessibility
$labelledby = '';
preg_match_all( '/(/im', $output, $matches );
if ( end( $matches[2] ) ) {
$labelledby = 'aria-labelledby="' . esc_attr( end( $matches[2] ) ) . '"';
}
$output .= "{$n}{$indent}{$n}";
}
/**
* Starts the element output.
*
* @since WP 3.0.0
* @since WP 4.4.0 The {@see 'nav_menu_item_args'} filter was added.
*
* @see Walker_Nav_Menu::start_el()
*
* @param string $output Used to append additional content (passed by reference).
* @param WP_Nav_Menu_Item $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param WP_Nav_Menu_Args $args An object of wp_nav_menu() arguments.
* @param int $id Current item ID.
*/
/*jahid*/
public function start_el( &$output, $item, $depth = 0, $args = null, $id = 0 ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = ( $depth ) ? str_repeat( $t, $depth ) : '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
// Add Bootstrap dropdown classes if item has children
if ( in_array( 'menu-item-has-children', $classes ) ) {
$classes[] = 'dropdown';
}
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
$output .= $indent . '';
$attributes = ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) . '"' : '';
$attributes .= ' class="nav-link"';
// If item has children, add dropdown-toggle class
if ( in_array( 'menu-item-has-children', $classes ) ) {
$attributes .= ' class="nav-link dropdown-toggle" data-bs-toggle="dropdown"';
}
$item_output = isset( $args->before ) ? $args->before : '';
$item_output .= '';
$item_output .= ( isset( $args->link_before ) ? $args->link_before : '' ) . apply_filters( 'the_title', $item->title, $item->ID ) . ( isset( $args->link_after ) ? $args->link_after : '' );
$item_output .= '';
// Add description if available
if ( ! empty( $item->description ) ) {
$item_output .= '';
}
$item_output .= isset( $args->after ) ? $args->after : '';
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
/**
* Menu fallback.
*
* If this function is assigned to the wp_nav_menu's fallback_cb variable
* and a menu has not been assigned to the theme location in the WordPress
* menu manager the function will 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.
* @return string|void String when echo is false.
*/
public static function fallback( $args ) {
if ( ! current_user_can( 'edit_theme_options' ) ) {
return;
}
// Initialize var to store fallback html.
$fallback_output = '';
// Menu container opening tag.
$show_container = false;
if ( $args['container'] ) {
/**
* Filters the list of HTML tags that are valid for use as menu containers.
*
* @since WP 3.0.0
*
* @param array $tags The acceptable HTML tags for use as menu containers.
* Default is array containing 'div' and 'nav'.
*/
$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) );
if ( is_string( $args['container'] ) && in_array( $args['container'], $allowed_tags, true ) ) {
$show_container = true;
$class = $args['container_class'] ? ' class="menu-fallback-container ' . esc_attr( $args['container_class'] ) . '"' : ' class="menu-fallback-container"';
$id = $args['container_id'] ? ' id="' . esc_attr( $args['container_id'] ) . '"' : '';
$fallback_output .= '<' . $args['container'] . $id . $class . '>';
}
}
// The fallback menu.
$class = $args['menu_class'] ? ' class="menu-fallback-menu ' . esc_attr( $args['menu_class'] ) . '"' : ' class="menu-fallback-menu"';
$id = $args['menu_id'] ? ' id="' . esc_attr( $args['menu_id'] ) . '"' : '';
$fallback_output .= '';
$fallback_output .= '- ' . esc_html__( 'Add a menu', 'aj-square' ) . '
';
$fallback_output .= '
';
// Menu container closing tag.
if ( $show_container ) {
$fallback_output .= '';
}
// if $args has 'echo' key and it's true echo, otherwise return.
if ( array_key_exists( 'echo', $args ) && $args['echo'] ) {
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
echo $fallback_output;
} else {
return $fallback_output;
}
}
/**
* Filter to ensure the items_Wrap argument contains microdata.
*
* @since 4.2.0
*
* @param array $args The nav instance arguments.
* @return array $args The altered nav instance arguments.
*/
public function add_schema_to_navbar_ul( $args ) {
if ( isset( $args['items_wrap'] ) ) {
$wrap = $args['items_wrap'];
if ( strpos( $wrap, 'SiteNavigationElement' ) === false ) {
$args['items_wrap'] = preg_replace( '/(>).*>?\%3\$s/', ' itemscope itemtype="http://www.schema.org/SiteNavigationElement"$0', $wrap );
}
}
return $args;
}
/**
* Find any custom linkmod or icon classes and store in their holder
* arrays then remove them from the main classes array.
*
* Supported linkmods: .disabled, .dropdown-header, .dropdown-divider, .sr-only
* Supported iconsets: Font Awesome 4/5, Glypicons
*
* NOTE: This accepts the linkmod and icon arrays by reference.
*
* @since 4.0.0
*
* @param array $classes an array of classes currently assigned to the item.
* @param array $linkmod_classes an array to hold linkmod classes.
* @param array $icon_classes an array to hold icon classes.
* @param integer $depth an integer holding current depth level.
*
* @return array $classes a maybe modified array of classnames.
*/
private function separate_linkmods_and_icons_from_classes( $classes, &$linkmod_classes, &$icon_classes, $depth ) {
// Loop through $classes array to find linkmod or icon classes.
foreach ( $classes as $key => $class ) {
/*
* If any special classes are found, store the class in it's
* holder array and and unset the item from $classes.
*/
if ( preg_match( '/^disabled|^sr-only/i', $class ) ) {
// Test for .disabled or .sr-only classes.
$linkmod_classes[] = $class;
unset( $classes[ $key ] );
} elseif ( preg_match( '/^dropdown-header|^dropdown-divider|^dropdown-item-text/i', $class ) && $depth > 0 ) {
/*
* Test for .dropdown-header or .dropdown-divider and a
* depth greater than 0 - IE inside a dropdown.
*/
$linkmod_classes[] = $class;
unset( $classes[ $key ] );
} elseif ( preg_match( '/^fa-(\S*)?|^fa(s|r|l|b)?(\s?)?$/i', $class ) ) {
// Font Awesome.
$icon_classes[] = $class;
unset( $classes[ $key ] );
} elseif ( preg_match( '/^glyphicon-(\S*)?|^glyphicon(\s?)$/i', $class ) ) {
// Glyphicons.
$icon_classes[] = $class;
unset( $classes[ $key ] );
}
}
return $classes;
}
/**
* Return a string containing a linkmod type and update $atts array
* accordingly depending on the decided.
*
* @since 4.0.0
*
* @param array $linkmod_classes array of any link modifier classes.
*
* @return string empty for default, a linkmod type string otherwise.
*/
private function get_linkmod_type( $linkmod_classes = array() ) {
$linkmod_type = '';
// Loop through array of linkmod classes to handle their $atts.
if ( ! empty( $linkmod_classes ) ) {
foreach ( $linkmod_classes as $link_class ) {
if ( ! empty( $link_class ) ) {
// Check for special class types and set a flag for them.
if ( 'dropdown-header' === $link_class ) {
$linkmod_type = 'dropdown-header';
} elseif ( 'dropdown-divider' === $link_class ) {
$linkmod_type = 'dropdown-divider';
} elseif ( 'dropdown-item-text' === $link_class ) {
$linkmod_type = 'dropdown-item-text';
}
}
}
}
return $linkmod_type;
}
/**
* Update the attributes of a nav item depending on the limkmod classes.
*
* @since 4.0.0
*
* @param array $atts array of atts for the current link in nav item.
* @param array $linkmod_classes an array of classes that modify link or nav item behaviors or displays.
*
* @return array maybe updated array of attributes for item.
*/
private function update_atts_for_linkmod_type( $atts = array(), $linkmod_classes = array() ) {
if ( ! empty( $linkmod_classes ) ) {
foreach ( $linkmod_classes as $link_class ) {
if ( ! empty( $link_class ) ) {
/*
* Update $atts with a space and the extra classname
* so long as it's not a sr-only class.
*/
if ( 'sr-only' !== $link_class ) {
$atts['class'] .= ' ' . esc_attr( $link_class );
}
// Check for special class types we need additional handling for.
if ( 'disabled' === $link_class ) {
// Convert link to '#' and unset open targets.
$atts['href'] = '#';
unset( $atts['target'] );
} elseif ( 'dropdown-header' === $link_class || 'dropdown-divider' === $link_class || 'dropdown-item-text' === $link_class ) {
// Store a type flag and unset href and target.
unset( $atts['href'] );
unset( $atts['target'] );
}
}
}
}
return $atts;
}
/**
* Wraps the passed text in a screen reader only class.
*
* @since 4.0.0
*
* @param string $text the string of text to be wrapped in a screen reader class.
* @return string the string wrapped in a span with the class.
*/
private function wrap_for_screen_reader( $text = '' ) {
if ( $text ) {
$text = '' . $text . '';
}
return $text;
}
/**
* Returns the correct opening element and attributes for a linkmod.
*
* @since 4.0.0
*
* @param string $linkmod_type a sting containing a linkmod type flag.
* @param string $attributes a string of attributes to add to the element.
*
* @return string a string with the openign tag for the element with attribibutes added.
*/
private function linkmod_element_open( $linkmod_type, $attributes = '' ) {
$output = '';
if ( 'dropdown-item-text' === $linkmod_type ) {
$output .= '';
} elseif ( 'dropdown-header' === $linkmod_type ) {
/*
* For a header use a span with the .h6 class instead of a real
* header tag so that it doesn't confuse screen readers.
*/
$output .= '