post_types = apply_filters( 'bw_admin_column_post_types', $this->post_types );
foreach ( $this->post_types as $post_type ) {
add_filter( "manage_{$post_type}_posts_columns", array( $this, 'add_columns' ) );
add_action( "manage_{$post_type}_posts_custom_column", array( $this, 'render_columns' ), 10, 2 );
}
}
/**
* Add custom columns
*/
public function add_columns( $columns ) {
$new_columns = array();
foreach ( $columns as $key => $value ) {
// Add Featured Image after checkbox
if ( $key === 'cb' ) {
$new_columns[ $key ] = $value;
$new_columns['bw_featured_image'] = __( 'Image', 'bw-admin-column' );
continue;
}
$new_columns[ $key ] = $value;
// Add Excerpt after title
if ( $key === 'title' ) {
$new_columns['bw_excerpt'] = __( 'Excerpt', 'bw-admin-column' );
}
}
return $new_columns;
}
/**
* Render custom columns
*/
public function render_columns( $column, $post_id ) {
switch ( $column ) {
case 'bw_featured_image':
$this->render_featured_image_column( $post_id );
break;
case 'bw_excerpt':
$this->render_excerpt_column( $post_id );
break;
}
}
/**
* Render Featured Image column
*/
private function render_featured_image_column( $post_id ) {
$thumbnail_id = get_post_thumbnail_id( $post_id );
echo '';
if ( $thumbnail_id ) {
$thumb_url = wp_get_attachment_image_url( $thumbnail_id, 'thumbnail' );
echo '
';
echo '
 . ')
';
echo '
×';
echo '
';
} else {
echo '
';
echo '';
echo '
';
}
echo '
';
$html .= '
';
$html .= '
×';
$html .= '
';
$html .= '';
$html .= '
';
wp_send_json_success( array( 'html' => $html ) );
}
}
// Initialize plugin
BW_Admin_Column::get_instance();