\n";
$show_screen = true;
break;
}
if ( ! empty( $settings ) )
$show_screen = true;
if ( !empty($wp_current_screen_options) )
$show_screen = true;
$show_screen = apply_filters('screen_options_show_screen', $show_screen, $screen);
// If we have screen options, add the menu to the admin bar.
if ( $show_screen )
add_action( 'admin_bar_menu', 'wp_admin_bar_screen_options_menu', 80 );
?>
' . "\n";
/*
* Loop through ['contextual-help-tabs']
* - It's a nested array where $key=>$value >> $title=>$content
* Has no output so can only loop the array once
*/
$contextual_help_tabs = ''; // store looped content for later
$contextual_help_panels = ''; // store looped content for later
$tab_active = true;
foreach ( $_wp_contextual_help[$screen->id]['tabs'] as $tab ) {
$tab_slug = sanitize_html_class( $tab[ 0 ] );
$contextual_help_tabs .= '
array( $tab1_title => $tab1_value [, $tab2_title => $tab2_value, ...] ),
* 'contextual-help-links' => $help_links_as_string )
*
* For backwards compatability, a string is also accepted.
*
* @since 2.7.0
*
* @param string $screen The handle for the screen to add help to. This is usually the hook name returned by the add_*_page() functions.
* @param array|string $help Creates tabs & links columns within help text in array.
*
*/
function add_contextual_help($screen, $help) {
global $_wp_contextual_help;
if ( is_string($screen) )
$screen = convert_to_screen($screen);
if ( !isset($_wp_contextual_help) )
$_wp_contextual_help = array();
$_wp_contextual_help[$screen->id] = $help;
}
function screen_layout($screen) {
global $screen_layout_columns, $wp_current_screen_options;
if ( is_string($screen) )
$screen = convert_to_screen($screen);
// Back compat for plugins using the filter instead of add_screen_option()
$columns = apply_filters('screen_layout_columns', array(), $screen->id, $screen);
if ( !empty($columns) && isset($columns[$screen->id]) )
add_screen_option('layout_columns', array('max' => $columns[$screen->id]) );
if ( !isset($wp_current_screen_options['layout_columns']) ) {
$screen_layout_columns = 0;
return '';
}
$screen_layout_columns = get_user_option("screen_layout_$screen->id");
$num = $wp_current_screen_options['layout_columns']['max'];
if ( ! $screen_layout_columns ) {
if ( isset($wp_current_screen_options['layout_columns']['default']) )
$screen_layout_columns = $wp_current_screen_options['layout_columns']['default'];
else
$screen_layout_columns = 'auto';
}
$i = 1;
$return = '
';
}
/**
* Get the current screen object
*
* @since 3.1.0
*
* @return object Current screen object
*/
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
*
* @uses $current_screen
*
* @param string $id Screen id, optional.
*/
function set_current_screen( $id = '' ) {
global $current_screen;
$current_screen = new WP_Screen( $id );
$current_screen = apply_filters('current_screen', $current_screen);
}
/**
* A class representing the current admin screen.
*
* @since 3.3.0
* @access public
*/
final class WP_Screen {
/**
* Any action associated with the screen. 'add' for *-add.php and *-new.php screens. Empty otherwise.
*
* @since 3.3.0
* @var string
* @access private
*/
public $action = '';
/**
* The base type of the screen. This is typically the same as $id but with any post types and taxonomies stripped.
* For example, for an $id of 'edit-post' the base is 'edit'.
*
* @since 3.3.0
* @var string
* @access private
*/
public $base;
/**
* The unique ID of the screen.
*
* @since 3.3.0
* @var string
* @access private
*/
public $id;
/**
* Whether the screen is in the network admin.
*
* @since 3.3.0
* @var bool
* @access private
*/
public $is_network;
/**
* Whether the screen is in the user admin.
*
* @since 3.3.0
* @var bool
* @access private
*/
public $is_user;
/**
* The base menu parent.
* This is derived from $parent_file by removing the query string and any .php extension.
* $parent_file values of 'edit.php?post_type=page' and 'edit.php?post_type=post' have a $parent_base of 'edit'.
*
* @since 3.3.0
* @var string
* @access private
*/
public $parent_base;
/**
* The parent_file for the screen per the admin menu system.
* Some $parent_file values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'.
*
* @since 3.3.0
* @var string
* @access private
*/
public $parent_file;
/**
* The post type associated with the screen, if any.
* The 'edit.php?post_type=page' screen has a post type of 'page'.
*
* @since 3.3.0
* @var string
* @access private
*/
public $post_type;
/**
* The taxonomy associated with the screen, if any.
* The 'edit-tags.php?taxonomy=category' screen has a taxonomy of 'category'.
* @since 3.3.0
* @var string
* @access private
*/
public $taxonomy;
/**
* Constructor
*
* @since 3.3.0
*
* @param string $id A screen id. If empty, the $hook_suffix global is used to derive the ID.
*/
public function __construct( $id = '' ) {
global $hook_suffix, $typenow, $taxnow;
$action = '';
if ( empty( $id ) ) {
$screen = $hook_suffix;
$screen = str_replace('.php', '', $screen);
if ( preg_match('/-add|-new$/', $screen) )
$action = 'add';
$screen = str_replace('-new', '', $screen);
$screen = str_replace('-add', '', $screen);
$this->id = $this->base = $screen;
} else {
$id = sanitize_key( $id );
if ( false !== strpos($id, '-') ) {
list( $id, $typenow ) = explode('-', $id, 2);
if ( taxonomy_exists( $typenow ) ) {
$id = 'edit-tags';
$taxnow = $typenow;
$typenow = '';
}
}
$this->id = $this->base = $id;
}
$this->action = $action;
// Map index to dashboard
if ( 'index' == $this->base )
$this->base = 'dashboard';
if ( 'index' == $this->id )
$this->id = 'dashboard';
if ( 'edit' == $this->id ) {
if ( empty($typenow) )
$typenow = 'post';
$this->id .= '-' . $typenow;
} elseif ( 'post' == $this->id ) {
if ( empty($typenow) )
$typenow = 'post';
$this->id = $typenow;
$this->post_type = $typenow;
} elseif ( 'edit-tags' == $this->id ) {
if ( empty($taxnow) )
$taxnow = 'post_tag';
$this->id = 'edit-' . $taxnow;
$this->taxonomy = $taxnow;
}
$this->is_network = is_network_admin();
$this->is_user = is_user_admin();
if ( $this->is_network ) {
$this->base .= '-network';
$this->id .= '-network';
} elseif ( $this->is_user ) {
$this->base .= '-user';
$this->id .= '-user';
}
}
/**
* Set the parent information for the screen.
* This is called in admin-header.php after the menu parent for the screen has been determined.
*
* @since 3.3.0
*
* @param string $parent_file The parent file of the screen. Typically the $parent_file global.
*/
function set_parentage( $parent_file ) {
$this->parent_file = $parent_file;
$this->parent_base = preg_replace('/\?.*$/', '', $parent_file);
$this->parent_base = str_replace('.php', '', $this->parent_base);
}
/**
* Adds an option for the screen.
* Call this in template files after admin.php is loaded and before admin-header.php is loaded to add screen options.
*
* @since 3.3.0
*
* @param string $option Option ID
* @param array $args Associative array of arguments particular to the given $option.
*/
public function add_option( $option, $args = array() ) {
return add_screen_option( $option, $args );
}
/**
* Add a help tab to the contextual help for the screen.
* Call this in template files after admin.php is loaded and before admin-header.php is loaded to add contextual help tabs.
*
* @since 3.3.0
*
* @param string $id Tab ID
* @param string $title Title for the tab
* @param string $content Help tab content in plain text or HTML.
*/
public function add_help_tab( $id, $title, $content) {
global $_wp_contextual_help;
$_wp_contextual_help[$this->id]['tabs'][] = array( $id, $title, $content );
}
/**
* Add a sidebar to the contextual help for the screen.
* Call this in template files after admin.php is loaded and before admin-header.php is loaded to add a sidebar to the contextual help.
*
* @since 3.3.0
*
* @param string $content Sidebar content in plain text or HTML.
*/
public function add_help_sidebar( $content ) {
global $_wp_contextual_help;
$_wp_contextual_help[$this->id]['sidebar'] = $content;
}
}