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<?php
namespace B2\Modules\Templates;
use B2\Modules\Common\Post;
class Menu extends \Walker_Nav_Menu {
/**
* What the class handles.
*
* @since 3.0.0
* @var string
*
* @see Walker::$tree_type
*/
public $tree_type = array( 'post_type', 'taxonomy', 'custom' );
/**
* Database fields to use.
*
* @since 3.0.0
* @todo Decouple this.
* @var array
*
* @see Walker::$db_fields
*/
public $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );
/**
* Starts the list before the elements are added.
*
* @since 3.0.0
*
* @see Walker::start_lvl()
*
* @param string $output Used to append additional content (passed by reference).
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
public function start_lvl( &$output, $depth = 0, $args = array() ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
$classes = array();
// Default class.
if($args->walker->has_children && $depth == 0){
$classes = array('sub-menu-0','sub-menu','b2-radius');
}
/**
* Filters the CSS class(es) applied to a menu list element.
*
* @since 4.8.0
*
* @param array $classes The CSS classes that are applied to the menu `<ul>` 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 ) . '"' : '';
$output .= "{$n}{$indent}<ul$class_names>{$n}";
}
/**
* Ends the list of after the elements are added.
*
* @since 3.0.0
*
* @see Walker::end_lvl()
*
* @param string $output Used to append additional content (passed by reference).
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
public function end_lvl( &$output, $depth = 0, $args = array() ) {
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}";
}
/**
* Starts the element output.
*
* @since 3.0.0
* @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added.
*
* @see Walker::start_el()
*
* @param string $output Used to append additional content (passed by reference).
* @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.
* @param int $id Current item ID.
*/
public function start_el( &$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;
$current = array("current-menu-item");
$classes = array_intersect($classes,$current);
//添加菜单深度的类
if($item->menu_item_parent == 0 && $depth == 0){
$classes[] = 'depth-0';
}
//添加子菜单的类
if($args->walker->has_children && $depth == 0){
$child_item_type = b2_get_menu_option($item->ID,'menu_type');
if($child_item_type){
$classes[] = apply_filters('b2_menu_child_class',' has_children b2-'.$child_item_type);
}
}
/**
* 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.
*/
$color = '#607d8b';
if($item->menu_item_parent == 0 && $depth == 0){
$color = b2_get_menu_option($item->ID,'menu_color');
if($item->object === 'category'){
$_color = get_term_meta($item->object_id,'b2_tax_color',true);
$color = $_color ? $_color : $color;
}
$output .= $indent . '<li ' . $class_names .'>';
}else{
$output .= $indent . '<li ' . $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 ) ? $item->url : '';
/**
* Filters the HTML attributes applied to a menu item's anchor element.
*
* @since 3.6.0
* @since 4.1.0 The `$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 );
$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 );
$menu_type = b2_get_menu_option($item->menu_item_parent,'menu_type');
$item_output = $args->before;
$item_output .= '<a'. $attributes .'>';
if($item->menu_item_parent == 0 && $depth == 0){
$item_output .= '<span class="hob" style="background-color:'.$color.'"></span>';
}
//如果是menu-1形式的菜单，显示菜单图标
if($depth > 0){
if($menu_type == 'menu-1'){
$img = b2_get_menu_option($item->ID,'menu_img');
$thumb = b2_get_thumb(array('thumb'=>$img,'width'=>120,'height'=>120));
$item_output .= b2_get_img(array('src'=>$thumb,'alt'=>$title,'class'=>array('menu-1-img','b2-radius'),'attr'=>array('width'=>40,'height'=>40)));
}
}
$child_item_type = b2_get_menu_option($item->menu_item_parent,'menu_type');
//如果拥有下级菜单，增加图标
if($args->walker->has_children){
if($depth == 1 && $menu_type != 'menu-1'){
$item_output .= $args->link_before . $title.b2_get_icon('b2-arrow-right-s-line'). $args->link_after;
}elseif($depth == 0){
$item_output .= $args->link_before . $title.b2_get_icon('b2-arrow-down-s-line'). $args->link_after;
}
}else{
$m_parent = get_post_meta($item->menu_item_parent,'_menu_item_menu_item_parent',true);
$menu_4 = b2_get_menu_option($m_parent,'menu_type');
if($m_parent && $menu_4 === 'menu-4'){
$img = b2_get_menu_option($item->ID,'menu_img');
$thumb = b2_get_thumb(array('thumb'=>$img,'width'=>50,'height'=>50));
$item_output .= $args->link_before . b2_get_img(array('src'=>$thumb,'alt'=>$title,'class'=>array('b2-radius'))).'<span>'.$title . '</span>'.$args->link_after;
}else{
$_item_output = $args->link_before . '<span>'.$title . '</span>'.$args->link_after;
if($menu_type == 'menu-1'){
if($item->object_id){
$term = get_term($item->object_id);
if($term){
$_item_output = $args->link_before . '<span>'.$title . '</span><p>'.sprintf(__('%s篇','b2'),$term->count).'</p>'.$args->link_after;
}
}
}
$item_output .= $_item_output;
}
}
$item_output .= '</a>';
$item_output .= $args->after;
//如果是menu-2
if($depth == 1){
if($child_item_type == 'menu-2'){
$item_output .= '<div class="menu_2-item">'.$this->menu_2($item).'</div>';
}
}
/**
* Filters a menu item's starting output.
*
* The menu item's starting output only includes `$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 );
}
/**
* Ends the element output, if needed.
*
* @since 3.0.0
*
* @see Walker::end_el()
*
* @param string $output Used to append additional content (passed by reference).
* @param WP_Post $item Page data object. Not used.
* @param int $depth Depth of page. Not Used.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
public function end_el( &$output, $item, $depth = 0, $args = array() ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$output .= "</li>{$n}";
}
public function menu_2($item){
if(!isset($item->_menu_item_object)) return;
$type = $this->get_post_type($item->_menu_item_object);
$args = array(
'post_type'=>$type,
'posts_per_page'=>4,
'paged' => 0,
'no_found_rows'=>true
);
if($type == 'post' && isset($item->object_id)){
$args['cat'] = $item->object_id;
}
$args = apply_filters('b2_menu_2_post_args',$args);
$the_query = new \WP_Query( $args );
$html = '';
$size = array(
'width'=>310,
'height'=>192
);
$size = apply_filters('b2_menu_2_thumb_size', $size,$item->object_id);
if ( $the_query->have_posts() ) {
$html .= '<ul class="menu-2-'.$item->object_id.'">';
while ( $the_query->have_posts() ) {
$the_query->the_post();
$link = get_permalink();
$title = get_the_title();
$thumb = b2_get_thumb(array('thumb'=>Post::get_post_thumb($the_query->post->ID),'type'=>'fill','width'=>$size['width'],'height'=>$size['height']));
$html .= '<li><div class="menu-post-box">
<div class="menu-post-box-img">
<a href="'.$link.'" class="b2-radius">
'.b2_get_img(array('src'=>$thumb,'alt'=>$title,'class'=>array('menu-post-thumb','b2-radius'))).'
</a>
</div>
<h2><a href="'.$link.'">'. $title.'</a></h2>
</div></li>';
}
$html .= '</ul>';
} else {
$html .= '<div class="">'.__('没有文章','b2').'</div>';
}
wp_reset_postdata();
return $html;
}
public function get_post_type($item_boject){
$type = 'post';
switch($item_boject){
case 'category';
$type = 'post';
break;
case 'shoptype';
$type = 'shop';
break;
case 'labtype';
$type = 'labs';
case 'mp';
$type = 'pps';
break;
}
return $type;
}
}