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<?php
class Penci_AMP_Menu_Walker extends Walker_Nav_Menu {
protected $__acc_started = false;
protected $__acc_childs_starte = false;
public function end_lvl( &$output, $depth = 0, $args = array() ) {
if ( $this->__acc_childs_starte && $depth == 0 ) {
$this->end_acc_child_wrapper( $output, $depth );
}
if ( $this->__acc_started && $depth == 0 ) {
$this->end_accordion( $output, $depth );
}
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
$output .= "$indent</ul>{$n}";
}
public function end_acc_child_wrapper( &$output, $depth = 0 ) {
$output .= "</div>\n";
$this->__acc_childs_starte = false;
}
public function end_accordion( &$item_output, $depth = 0 ) {
$item_output .= "</section></amp-accordion>";
$this->__acc_started = false;
}
public function start_el( &$output, $item, $depth = 0, $args = array(), $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;
$classes[] = 'menu-item-' . $item->ID;
$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
$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 : '';
$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 . '"';
}
}
$title = apply_filters( 'the_title', $item->title, $item->ID );
$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );
$item_output = $args->before;
if ( $this->has_children && $depth == 0 ) {
$this->start_accordion( $item_output, $depth );
$item_output .= '<h6 class="penci-amphtml-accordion-header">';
$item_output .= '<a'. $attributes .'>';
$item_output .= $args->link_before . $title . $args->link_after;
$item_output .= '</a>';
$item_output .= '<span class="dropdown-toggle fa fa-angle-down"></span></h6>';
$this->begin_accordion_child_wrapper( $item_output, $depth );
}else{
$item_output .= '<a'. $attributes .'>';
$item_output .= $args->link_before . $title . $args->link_after;
$item_output .= '</a>';
}
$item_output .= $args->after;
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
public function start_accordion( &$item_output, $depth = 0 ) {
$item_output .= "<amp-accordion><section>";
$this->__acc_started = true;
$this->enqueue_accordion = true;
}
public function begin_accordion_child_wrapper( &$item_output, $depth = 0 ) {
$item_output .= "\n<div>\n";
$this->__acc_childs_starte = true;
}
public function get_anchor_tag( $item, $depth, $args, $id ) {
$current_el = '';
parent::start_el( $current_el, $item, $depth, $args, $id );
if ( preg_match( '#<\s*li\s* [^>]* > (.+) #ix', $current_el, $matched ) ) {
return isset( $matched[1] ) ? $matched[1] : '';
}
return $this->__anchor_tag( $item, $args, $depth );
}
protected function __anchor_tag( $_item, $args, $depth ) {
$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 : '';
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $_item, $args, $depth );
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( empty( $value ) ) {
continue;
}
if( 'href' === $attr ) {
$value = esc_url( $value );
}else{
$value = esc_attr( $value );
}
$attributes .= ' ' . $attr . '="' . $value . '"';
}
$title = apply_filters( 'the_title', $_item->title, $_item->ID );
$title = apply_filters( 'nav_menu_item_title', $title, $_item, $args, $depth );
$_output = $args->before;
$_output .= '<a' . $attributes . '>';
$_output .= $args->link_before . $title . $args->link_after;
$_output .= '</a>';
$_output .= $args->after;
return $_output;
}
}
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