WP_Screen::render_view_mode()

	public function render_view_mode() {
		$screen = get_current_screen();

		// Currently only enabled for posts lists
		if ( 'edit' !== $screen->base ) {
			return;
		}

		$view_mode_post_types = get_post_types( array( 'hierarchical' => false, 'show_ui' => true ) );

		/**
		 * Filters the post types that have different view mode options.
		 *
		 * @since WP-4.4.0
		 *
		 * @param array $view_mode_post_types Array of post types that can change view modes.
		 *                                    Default non-hierarchical post types with show_ui on.
		 */
		$view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );

		if ( ! in_array( $this->post_type, $view_mode_post_types ) ) {
			return;
		}

		global $mode;

		// This needs a submit button
		add_filter( 'screen_options_show_submit', '__return_true' );
?>
		<fieldset class="metabox-prefs view-mode">
		<legend><?php _e( 'View Mode' ); ?></legend>
				<label for="list-view-mode">
					<input id="list-view-mode" type="radio" name="mode" value="list" <?php checked( 'list', $mode ); ?> />
					<?php _e( 'List View' ); ?>
				</label>
				<label for="excerpt-view-mode">
					<input id="excerpt-view-mode" type="radio" name="mode" value="excerpt" <?php checked( 'excerpt', $mode ); ?> />
					<?php _e( 'Excerpt View' ); ?>
				</label>
		</fieldset>
<?php
	}