goldenappleの最初の答えは、これを完了するために必要なジャンプスタートを私に与えてくれました。
functions.php
新しい投稿タイプ「header-image」を追加し、それに応じて他の管理画面を変更するために使用している完全なコードは次のとおりです。
/**
* Register the Header Image custom post type.
*/
function sixohthree_init() {
$labels = array(
'name' => 'Header Images',
'singular_name' => 'Header Image',
'add_new_item' => 'Add Header Image',
'edit_item' => 'Edit Header Image',
'new_item' => 'New Header Image',
'view_item' => 'View Header Image',
'search_items' => 'Search Header Images',
'not_found' => 'No Header Images found',
'not_found_in_trash' => 'No Header Images found in Trash'
);
$args = array(
'labels' => $labels,
'public' => false,
'show_ui' => true,
'supports' => array('thumbnail')
);
register_post_type( 'header-image', $args );
}
add_action( 'init', 'sixohthree_init' );
/**
* Modify which columns display when the admin views a list of header-image posts.
*/
function sixohthree_headerimage_posts_columns( $posts_columns ) {
$tmp = array();
foreach( $posts_columns as $key => $value ) {
if( $key == 'title' ) {
$tmp['header-image'] = 'Header Image';
} else {
$tmp[$key] = $value;
}
}
return $tmp;
}
add_filter( 'manage_header-image_posts_columns', 'sixohthree_headerimage_posts_columns' );
/**
* Custom column output when admin is view the header-image post list.
*/
function sixohthree_headerimage_custom_column( $column_name ) {
global $post;
if( $column_name == 'header-image' ) {
echo "<a href='", get_edit_post_link( $post->ID ), "'>", get_the_post_thumbnail( $post->ID ), "</a>";
}
}
add_action( 'manage_posts_custom_column', 'sixohthree_headerimage_custom_column' );
/**
* Make the "Featured Image" metabox front and center when editing a header-image post.
*/
function sixohthree_headerimage_metaboxes( $post ) {
global $wp_meta_boxes;
remove_meta_box('postimagediv', 'header-image', 'side');
add_meta_box('postimagediv', __('Featured Image'), 'post_thumbnail_meta_box', 'header-image', 'normal', 'high');
}
add_action( 'add_meta_boxes_header-image', 'sixohthree_headerimage_metaboxes' );
/**
* Enable thumbnail support in the theme, and set the thumbnail size.
*/
function sixohthree_after_setup() {
add_theme_support( 'post-thumbnails' );
set_post_thumbnail_size(150, 100, true);
}
add_action( 'after_setup_theme', 'sixohthree_after_setup' );
管理者のスクリーンショット
テンプレートコード
$header_images = get_posts('post_type=header-image&orderby=rand&numberposts=2');
foreach( $header_images as $idx => $post ) {
setup_postdata($post);
the_post_thumbnail('post-thumbnail', array('class' => 'snapshot snapshot' . ($idx+1) ) );
}