File "screen.php"
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<?php
/**
* WordPress Administration Screen API.
*
* @package WordPress
* @subpackage Administration
*/
/**
* Get the column headers for a screen
*
* @since 2.7.0
*
* @param string|WP_Screen $screen The screen you want the headers for
* @return string[] The column header labels keyed by column ID.
*/
function get_column_headers( $screen ) {
static $column_headers = array();
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
if ( ! isset( $column_headers[ $screen->id ] ) ) {
/**
* Filters the column headers for a list table on a specific screen.
*
* The dynamic portion of the hook name, `$screen->id`, refers to the
* ID of a specific screen. For example, the screen ID for the Posts
* list table is edit-post, so the filter for that screen would be
* manage_edit-post_columns.
*
* @since 3.0.0
*
* @param string[] $columns The column header labels keyed by column ID.
*/
$column_headers[ $screen->id ] = apply_filters( "manage_{$screen->id}_columns", array() );
}
return $column_headers[ $screen->id ];
}
/**
* Get a list of hidden columns.
*
* @since 2.7.0
*
* @param string|WP_Screen $screen The screen you want the hidden columns for
* @return string[] Array of IDs of hidden columns.
*/
function get_hidden_columns( $screen ) {
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
$hidden = get_user_option( 'manage' . $screen->id . 'columnshidden' );
$use_defaults = ! is_array( $hidden );
if ( $use_defaults ) {
$hidden = array();
/**
* Filters the default list of hidden columns.
*
* @since 4.4.0
*
* @param string[] $hidden Array of IDs of columns hidden by default.
* @param WP_Screen $screen WP_Screen object of the current screen.
*/
$hidden = apply_filters( 'default_hidden_columns', $hidden, $screen );
}
/**
* Filters the list of hidden columns.
*
* @since 4.4.0
* @since 4.4.1 Added the `use_defaults` parameter.
*
* @param string[] $hidden Array of IDs of hidden columns.
* @param WP_Screen $screen WP_Screen object of the current screen.
* @param bool $use_defaults Whether to show the default columns.
*/
return apply_filters( 'hidden_columns', $hidden, $screen, $use_defaults );
}
/**
* Prints the meta box preferences for screen meta.
*
* @since 2.7.0
*
* @global array $wp_meta_boxes Global meta box state.
*
* @param WP_Screen $screen
*/
function meta_box_prefs( $screen ) {
global $wp_meta_boxes;
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
if ( empty( $wp_meta_boxes[ $screen->id ] ) ) {
return;
}
$hidden = get_hidden_meta_boxes( $screen );
foreach ( array_keys( $wp_meta_boxes[ $screen->id ] ) as $context ) {
foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
if ( ! isset( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] ) ) {
continue;
}
foreach ( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] as $box ) {
if ( false === $box || ! $box['title'] ) {
continue;
}
// Submit box cannot be hidden.
if ( 'submitdiv' === $box['id'] || 'linksubmitdiv' === $box['id'] ) {
continue;
}
$widget_title = $box['title'];
if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
$widget_title = $box['args']['__widget_basename'];
}
$is_hidden = in_array( $box['id'], $hidden, true );
printf(
'<label for="%1$s-hide"><input class="hide-postbox-tog" name="%1$s-hide" type="checkbox" id="%1$s-hide" value="%1$s" %2$s />%3$s</label>',
esc_attr( $box['id'] ),
checked( $is_hidden, false, false ),
$widget_title
);
}
}
}
}
/**
* Gets an array of IDs of hidden meta boxes.
*
* @since 2.7.0
*
* @param string|WP_Screen $screen Screen identifier
* @return string[] IDs of hidden meta boxes.
*/
function get_hidden_meta_boxes( $screen ) {
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
$hidden = get_user_option( "metaboxhidden_{$screen->id}" );
$use_defaults = ! is_array( $hidden );
// Hide slug boxes by default.
if ( $use_defaults ) {
$hidden = array();
if ( 'post' === $screen->base ) {
if ( in_array( $screen->post_type, array( 'post', 'page', 'attachment' ), true ) ) {
$hidden = array( 'slugdiv', 'trackbacksdiv', 'postcustom', 'postexcerpt', 'commentstatusdiv', 'commentsdiv', 'authordiv', 'revisionsdiv' );
} else {
$hidden = array( 'slugdiv' );
}
}
/**
* Filters the default list of hidden meta boxes.
*
* @since 3.1.0
*
* @param string[] $hidden An array of IDs of meta boxes hidden by default.
* @param WP_Screen $screen WP_Screen object of the current screen.
*/
$hidden = apply_filters( 'default_hidden_meta_boxes', $hidden, $screen );
}
/**
* Filters the list of hidden meta boxes.
*
* @since 3.3.0
*
* @param string[] $hidden An array of IDs of hidden meta boxes.
* @param WP_Screen $screen WP_Screen object of the current screen.
* @param bool $use_defaults Whether to show the default meta boxes.
* Default true.
*/
return apply_filters( 'hidden_meta_boxes', $hidden, $screen, $use_defaults );
}
/**
* Register and configure an admin screen option
*
* @since 3.1.0
*
* @param string $option An option name.
* @param mixed $args Option-dependent arguments.
*/
function add_screen_option( $option, $args = array() ) {
$current_screen = get_current_screen();
if ( ! $current_screen ) {
return;
}
$current_screen->add_option( $option, $args );
}
/**
* Get the current screen object
*
* @since 3.1.0
*
* @global WP_Screen $current_screen WordPress current screen object.
*
* @return WP_Screen|null Current screen object or null when screen not defined.
*/
function get_current_screen() {
global $current_screen;
if ( ! isset( $current_screen ) ) {
return null;
}
return $current_screen;
}
/**
* Set the current screen object
*
* @since 3.0.0
*
* @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen,
* or an existing screen object.
*/
function set_current_screen( $hook_name = '' ) {
WP_Screen::get( $hook_name )->set_current_screen();
}