php Enfold使用高级自定义字段构建父导航面包屑
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<?php
/*
* Get Ancenstor / Top Parent Page ID
*/
function get_top_parent_page_id( $child_post_id = null ) {
if( $child_post_id != null ) {
$_post = get_post( $child_post_id );
} else {
global $post;
$_post = $post;
}
$ancestors = $_post->ancestors;
// Check if page is a child page (any level)
if ($ancestors) {
// Grab the ID of top-level page from the tree
return end($ancestors);
}
// Page is the top level, so use it's own id
return $_post->ID;
}
/*
* List Navigation Tree for Pages
*/
function yanco_page_navigation() {
global $avia_config;
global $post;
$header_settings = avia_header_setting();
$html = '';
if( $header_settings['header_title_bar'] == 'title_bar' ) {
$parent_page_id = '';
if( $post->post_type == 'page' ) {
$parent_page_id = get_top_parent_page_id();
} elseif ( $post->post_type == 'post' ) {
$parent_page_id = get_top_parent_page_id( get_field( 'acf_overview_page_news', 'option' ) );
} else {
$parent_page_id = get_top_parent_page_id();
}
// Get all Child Pages
$args_children = array(
'post_status' => 'publish',
'post_type' => 'page',
'post_parent' => $parent_page_id,
'orderby' => 'title',
'order' => 'ASC',
);
$query_children = new WP_Query( $args_children );
$posts_children = $query_children->posts;
if( $post->ancestors ) {
$args_parent = array(
'post_status' => 'publish',
'post_type' => 'page',
'page_id' => $parent_page_id,
);
$query_parent = new WP_Query( $args_parent );
$posts_parent = $query_parent->posts;
} else {
$args_parent = array(
'post_status' => 'publish',
'post_type' => 'page',
'page_id' => $parent_page_id,
);
$query_parent = new WP_Query( $args_parent );
$posts_parent = $query_parent->posts;
}
$_posts = array_merge( $posts_parent, $posts_children );
$_posts_ids = array();
foreach ($_posts as $key => $value) {
array_push( $_posts_ids, $value->ID );
}
$args_list_pages = array(
'echo' => false,
'include' => $_posts_ids,
'title_li' => '',
);
$html .= '<ul>';
$html .= wp_list_pages( $args_list_pages );
$html .= '</ul>';
}
return $html;
}
/*
* Sets the correct "current page" CSS for the parent item for various post types
* depending on their parent settings in the RED Indstilling
*/
add_action( 'wp_head', 'yanco_add_dynamic_navigation_styles' );
function yanco_add_dynamic_navigation_styles() {
global $post;
$parent_page_id = '';
$color_grey_breadcrumbs = '#878787';
switch( $post->post_type ) {
case 'post':
echo yanco_get_dynamic_navigation_styles( get_field( 'acf_overview_page_news', 'option' ), $color_grey_breadcrumbs );
break;
case 'reference':
echo yanco_get_dynamic_navigation_styles( get_field( 'acf_overview_page_references', 'option' ), $color_grey_breadcrumbs );
break;
case 'ejendom':
echo yanco_get_dynamic_navigation_styles( get_field( 'acf_overview_page_ejendomme', 'option' ), $color_grey_breadcrumbs );
break;
default:
break;
}
}
function yanco_get_dynamic_navigation_styles( $parent_page_id, $color_grey_breadcrumbs ) {
$css = '';
$css .= '<style>';
$css .= 'li.page_item.page-item-' . $parent_page_id . ' > a { color: ' . $color_grey_breadcrumbs . ' !important; }';
$css .= '</style>';
return $css;
}
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