3
* Screen API: WP_Screen class
6
* @subpackage Administration
11
* Core class used to implement an admin screen API.
15
final class WP_Screen {
17
* Any action associated with the screen. 'add' for *-add.php and *-new.php screens. Empty otherwise.
26
* The base type of the screen. This is typically the same as $id but with any post types and taxonomies stripped.
27
* For example, for an $id of 'edit-post' the base is 'edit'.
36
* The number of columns to display. Access with get_columns().
45
* The unique ID of the screen.
54
* Which admin the screen is in. network | user | site | false
63
* Whether the screen is in the network admin.
65
* Deprecated. Use in_admin() instead.
75
* Whether the screen is in the user admin.
77
* Deprecated. Use in_admin() instead.
87
* The base menu parent.
88
* This is derived from $parent_file by removing the query string and any .php extension.
89
* $parent_file values of 'edit.php?post_type=page' and 'edit.php?post_type=post' have a $parent_base of 'edit'.
98
* The parent_file for the screen per the admin menu system.
99
* Some $parent_file values are 'edit.php?post_type=page', 'edit.php', and 'options-general.php'.
108
* The post type associated with the screen, if any.
109
* The 'edit.php?post_type=page' screen has a post type of 'page'.
110
* The 'edit-tags.php?taxonomy=$taxonomy&post_type=page' screen has a post type of 'page'.
119
* The taxonomy associated with the screen, if any.
120
* The 'edit-tags.php?taxonomy=category' screen has a taxonomy of 'category'.
128
* The help tab data associated with the screen, if any.
134
private $_help_tabs = array();
137
* The help sidebar data associated with screen, if any.
143
private $_help_sidebar = '';
146
* The accessible hidden headings and text associated with the screen, if any.
152
private $_screen_reader_content = array();
155
* Stores old string-based help.
162
private static $_old_compat_help = array();
165
* The screen options associated with screen, if any.
171
private $_options = array();
174
* The screen object registry.
183
private static $_registry = array();
186
* Stores the result of the public show_screen_options function.
192
private $_show_screen_options;
195
* Stores the 'screen_settings' section of screen options.
201
private $_screen_settings;
204
* Fetches a screen object.
211
* @global string $hook_suffix
213
* @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen.
214
* Defaults to the current $hook_suffix global.
215
* @return WP_Screen Screen object.
217
public static function get( $hook_name = '' ) {
218
if ( $hook_name instanceof WP_Screen ) {
222
$post_type = $taxonomy = null;
229
$id = $GLOBALS['hook_suffix'];
231
// For those pesky meta boxes.
232
if ( $hook_name && post_type_exists( $hook_name ) ) {
234
$id = 'post'; // changes later. ends up being $base.
236
if ( '.php' == substr( $id, -4 ) )
237
$id = substr( $id, 0, -4 );
239
if ( 'post-new' == $id || 'link-add' == $id || 'media-new' == $id || 'user-new' == $id ) {
240
$id = substr( $id, 0, -4 );
245
if ( ! $post_type && $hook_name ) {
246
if ( '-network' == substr( $id, -8 ) ) {
247
$id = substr( $id, 0, -8 );
248
$in_admin = 'network';
249
} elseif ( '-user' == substr( $id, -5 ) ) {
250
$id = substr( $id, 0, -5 );
254
$id = sanitize_key( $id );
255
if ( 'edit-comments' != $id && 'edit-tags' != $id && 'edit-' == substr( $id, 0, 5 ) ) {
256
$maybe = substr( $id, 5 );
257
if ( taxonomy_exists( $maybe ) ) {
260
} elseif ( post_type_exists( $maybe ) ) {
269
if ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN )
270
$in_admin = 'network';
271
elseif ( defined( 'WP_USER_ADMIN' ) && WP_USER_ADMIN )
277
if ( 'index' == $id )
279
elseif ( 'front' == $id )
284
// If this is the current screen, see if we can be more accurate for post types and taxonomies.
285
if ( ! $hook_name ) {
286
if ( isset( $_REQUEST['post_type'] ) )
287
$post_type = post_type_exists( $_REQUEST['post_type'] ) ? $_REQUEST['post_type'] : false;
288
if ( isset( $_REQUEST['taxonomy'] ) )
289
$taxonomy = taxonomy_exists( $_REQUEST['taxonomy'] ) ? $_REQUEST['taxonomy'] : false;
293
if ( isset( $_GET['post'] ) )
294
$post_id = (int) $_GET['post'];
295
elseif ( isset( $_POST['post_ID'] ) )
296
$post_id = (int) $_POST['post_ID'];
301
$post = get_post( $post_id );
303
$post_type = $post->post_type;
307
if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) )
315
if ( null === $post_type )
320
if ( null === $post_type )
322
$id .= '-' . $post_type;
325
if ( null === $taxonomy )
326
$taxonomy = 'post_tag';
327
// The edit-tags ID does not contain the post type. Look for it in the request.
328
if ( null === $post_type ) {
330
if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) )
331
$post_type = $_REQUEST['post_type'];
334
$id = 'edit-' . $taxonomy;
338
if ( 'network' == $in_admin ) {
341
} elseif ( 'user' == $in_admin ) {
346
if ( isset( self::$_registry[ $id ] ) ) {
347
$screen = self::$_registry[ $id ];
348
if ( $screen === get_current_screen() )
351
$screen = new WP_Screen();
355
$screen->base = $base;
356
$screen->action = $action;
357
$screen->post_type = (string) $post_type;
358
$screen->taxonomy = (string) $taxonomy;
359
$screen->is_user = ( 'user' == $in_admin );
360
$screen->is_network = ( 'network' == $in_admin );
361
$screen->in_admin = $in_admin;
363
self::$_registry[ $id ] = $screen;
369
* Makes the screen object the current screen.
371
* @see set_current_screen()
374
* @global WP_Screen $current_screen
375
* @global string $taxnow
376
* @global string $typenow
378
public function set_current_screen() {
379
global $current_screen, $taxnow, $typenow;
380
$current_screen = $this;
381
$taxnow = $this->taxonomy;
382
$typenow = $this->post_type;
385
* Fires after the current screen has been set.
389
* @param WP_Screen $current_screen Current WP_Screen object.
391
do_action( 'current_screen', $current_screen );
400
private function __construct() {}
403
* Indicates whether the screen is in a particular admin
407
* @param string $admin The admin to check against (network | user | site).
408
* If empty any of the three admins will result in true.
409
* @return bool True if the screen is in the indicated admin, false otherwise.
411
public function in_admin( $admin = null ) {
412
if ( empty( $admin ) )
413
return (bool) $this->in_admin;
415
return ( $admin == $this->in_admin );
419
* Sets the old string-based contextual help for the screen.
421
* For backwards compatibility.
427
* @param WP_Screen $screen A screen object.
428
* @param string $help Help text.
430
public static function add_old_compat_help( $screen, $help ) {
431
self::$_old_compat_help[ $screen->id ] = $help;
435
* Set the parent information for the screen.
436
* This is called in admin-header.php after the menu parent for the screen has been determined.
440
* @param string $parent_file The parent file of the screen. Typically the $parent_file global.
442
public function set_parentage( $parent_file ) {
443
$this->parent_file = $parent_file;
444
list( $this->parent_base ) = explode( '?', $parent_file );
445
$this->parent_base = str_replace( '.php', '', $this->parent_base );
449
* Adds an option for the screen.
450
* Call this in template files after admin.php is loaded and before admin-header.php is loaded to add screen options.
454
* @param string $option Option ID
455
* @param mixed $args Option-dependent arguments.
457
public function add_option( $option, $args = array() ) {
458
$this->_options[ $option ] = $args;
462
* Remove an option from the screen.
466
* @param string $option Option ID.
468
public function remove_option( $option ) {
469
unset( $this->_options[ $option ] );
473
* Remove all options from the screen.
477
public function remove_options() {
478
$this->_options = array();
482
* Get the options registered for the screen.
486
* @return array Options with arguments.
488
public function get_options() {
489
return $this->_options;
493
* Gets the arguments for an option for the screen.
497
* @param string $option Option name.
498
* @param string $key Optional. Specific array key for when the option is an array.
500
* @return string The option value if set, null otherwise.
502
public function get_option( $option, $key = false ) {
503
if ( ! isset( $this->_options[ $option ] ) )
506
if ( isset( $this->_options[ $option ][ $key ] ) )
507
return $this->_options[ $option ][ $key ];
510
return $this->_options[ $option ];
514
* Gets the help tabs registered for the screen.
517
* @since 4.4.0 Help tabs are ordered by their priority.
519
* @return array Help tabs with arguments.
521
public function get_help_tabs() {
522
$help_tabs = $this->_help_tabs;
524
$priorities = array();
525
foreach ( $help_tabs as $help_tab ) {
526
if ( isset( $priorities[ $help_tab['priority'] ] ) ) {
527
$priorities[ $help_tab['priority'] ][] = $help_tab;
529
$priorities[ $help_tab['priority'] ] = array( $help_tab );
536
foreach ( $priorities as $list ) {
537
foreach ( $list as $tab ) {
538
$sorted[ $tab['id'] ] = $tab;
546
* Gets the arguments for a help tab.
550
* @param string $id Help Tab ID.
551
* @return array Help tab arguments.
553
public function get_help_tab( $id ) {
554
if ( ! isset( $this->_help_tabs[ $id ] ) )
556
return $this->_help_tabs[ $id ];
560
* Add a help tab to the contextual help for the screen.
561
* Call this on the load-$pagenow hook for the relevant screen.
564
* @since 4.4.0 The `$priority` argument was added.
566
* @param array $args {
567
* Array of arguments used to display the help tab.
569
* @type string $title Title for the tab. Default false.
570
* @type string $id Tab ID. Must be HTML-safe. Default false.
571
* @type string $content Optional. Help tab content in plain text or HTML. Default empty string.
572
* @type string $callback Optional. A callback to generate the tab content. Default false.
573
* @type int $priority Optional. The priority of the tab, used for ordering. Default 10.
576
public function add_help_tab( $args ) {
584
$args = wp_parse_args( $args, $defaults );
586
$args['id'] = sanitize_html_class( $args['id'] );
588
// Ensure we have an ID and title.
589
if ( ! $args['id'] || ! $args['title'] )
592
// Allows for overriding an existing tab with that ID.
593
$this->_help_tabs[ $args['id'] ] = $args;
597
* Removes a help tab from the contextual help for the screen.
601
* @param string $id The help tab ID.
603
public function remove_help_tab( $id ) {
604
unset( $this->_help_tabs[ $id ] );
608
* Removes all help tabs from the contextual help for the screen.
612
public function remove_help_tabs() {
613
$this->_help_tabs = array();
617
* Gets the content from a contextual help sidebar.
621
* @return string Contents of the help sidebar.
623
public function get_help_sidebar() {
624
return $this->_help_sidebar;
628
* Add a sidebar to the contextual help for the screen.
629
* 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.
633
* @param string $content Sidebar content in plain text or HTML.
635
public function set_help_sidebar( $content ) {
636
$this->_help_sidebar = $content;
640
* Gets the number of layout columns the user has selected.
642
* The layout_columns option controls the max number and default number of
643
* columns. This method returns the number of columns within that range selected
644
* by the user via Screen Options. If no selection has been made, the default
645
* provisioned in layout_columns is returned. If the screen does not support
646
* selecting the number of layout columns, 0 is returned.
650
* @return int Number of columns to display.
652
public function get_columns() {
653
return $this->columns;
657
* Get the accessible hidden headings and text used in the screen.
661
* @see set_screen_reader_content() For more information on the array format.
663
* @return array An associative array of screen reader text strings.
665
public function get_screen_reader_content() {
666
return $this->_screen_reader_content;
670
* Get a screen reader text string.
674
* @param string $key Screen reader text array named key.
675
* @return string Screen reader text string.
677
public function get_screen_reader_text( $key ) {
678
if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
681
return $this->_screen_reader_content[ $key ];
685
* Add accessible hidden headings and text for the screen.
689
* @param array $content {
690
* An associative array of screen reader text strings.
692
* @type string $heading_views Screen reader text for the filter links heading.
693
* Default 'Filter items list'.
694
* @type string $heading_pagination Screen reader text for the pagination heading.
695
* Default 'Items list navigation'.
696
* @type string heading_list Screen reader text for the items list heading.
697
* Default 'Items list'.
700
public function set_screen_reader_content( $content = array() ) {
702
'heading_views' => __( 'Filter items list' ),
703
'heading_pagination' => __( 'Items list navigation' ),
704
'heading_list' => __( 'Items list' ),
706
$content = wp_parse_args( $content, $defaults );
708
$this->_screen_reader_content = $content;
712
* Remove all the accessible hidden headings and text for the screen.
716
public function remove_screen_reader_content() {
717
$this->_screen_reader_content = array();
721
* Render the screen's help section.
723
* This will trigger the deprecated filters for backwards compatibility.
727
* @global string $screen_layout_columns
729
public function render_screen_meta() {
732
* Filter the legacy contextual help list.
735
* @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
736
* get_current_screen()->remove_help_tab() instead.
738
* @param array $old_compat_help Old contextual help.
739
* @param WP_Screen $this Current WP_Screen instance.
741
self::$_old_compat_help = apply_filters( 'contextual_help_list', self::$_old_compat_help, $this );
743
$old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : '';
746
* Filter the legacy contextual help text.
749
* @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
750
* get_current_screen()->remove_help_tab() instead.
752
* @param string $old_help Help text that appears on the screen.
753
* @param string $screen_id Screen ID.
754
* @param WP_Screen $this Current WP_Screen instance.
757
$old_help = apply_filters( 'contextual_help', $old_help, $this->id, $this );
759
// Default help only if there is no old-style block of text and no new-style help tabs.
760
if ( empty( $old_help ) && ! $this->get_help_tabs() ) {
763
* Filter the default legacy contextual help text.
766
* @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or
767
* get_current_screen()->remove_help_tab() instead.
769
* @param string $old_help_default Default contextual help text.
771
$default_help = apply_filters( 'default_contextual_help', '' );
773
$old_help = '<p>' . $default_help . '</p>';
777
$this->add_help_tab( array(
778
'id' => 'old-contextual-help',
779
'title' => __('Overview'),
780
'content' => $old_help,
784
$help_sidebar = $this->get_help_sidebar();
786
$help_class = 'hidden';
787
if ( ! $help_sidebar )
788
$help_class .= ' no-sidebar';
792
<div id="screen-meta" class="metabox-prefs">
794
<div id="contextual-help-wrap" class="<?php echo esc_attr( $help_class ); ?>" tabindex="-1" aria-label="<?php esc_attr_e('Contextual Help Tab'); ?>">
795
<div id="contextual-help-back"></div>
796
<div id="contextual-help-columns">
797
<div class="contextual-help-tabs">
800
$class = ' class="active"';
801
foreach ( $this->get_help_tabs() as $tab ) :
802
$link_id = "tab-link-{$tab['id']}";
803
$panel_id = "tab-panel-{$tab['id']}";
806
<li id="<?php echo esc_attr( $link_id ); ?>"<?php echo $class; ?>>
807
<a href="<?php echo esc_url( "#$panel_id" ); ?>" aria-controls="<?php echo esc_attr( $panel_id ); ?>">
808
<?php echo esc_html( $tab['title'] ); ?>
818
<?php if ( $help_sidebar ) : ?>
819
<div class="contextual-help-sidebar">
820
<?php echo $help_sidebar; ?>
824
<div class="contextual-help-tabs-wrap">
826
$classes = 'help-tab-content active';
827
foreach ( $this->get_help_tabs() as $tab ):
828
$panel_id = "tab-panel-{$tab['id']}";
831
<div id="<?php echo esc_attr( $panel_id ); ?>" class="<?php echo $classes; ?>">
833
// Print tab content.
834
echo $tab['content'];
836
// If it exists, fire tab callback.
837
if ( ! empty( $tab['callback'] ) )
838
call_user_func_array( $tab['callback'], array( $this, $tab ) );
842
$classes = 'help-tab-content';
849
// Setup layout columns
852
* Filter the array of screen layout columns.
854
* This hook provides back-compat for plugins using the back-compat
855
* filter instead of add_screen_option().
859
* @param array $empty_columns Empty array.
860
* @param string $screen_id Screen ID.
861
* @param WP_Screen $this Current WP_Screen instance.
863
$columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
865
if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) )
866
$this->add_option( 'layout_columns', array('max' => $columns[ $this->id ] ) );
868
if ( $this->get_option( 'layout_columns' ) ) {
869
$this->columns = (int) get_user_option("screen_layout_$this->id");
871
if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) )
872
$this->columns = $this->get_option( 'layout_columns', 'default' );
874
$GLOBALS[ 'screen_layout_columns' ] = $this->columns; // Set the global for back-compat.
876
// Add screen options
877
if ( $this->show_screen_options() )
878
$this->render_screen_options();
882
if ( ! $this->get_help_tabs() && ! $this->show_screen_options() )
885
<div id="screen-meta-links">
886
<?php if ( $this->get_help_tabs() ) : ?>
887
<div id="contextual-help-link-wrap" class="hide-if-no-js screen-meta-toggle">
888
<button type="button" id="contextual-help-link" class="button show-settings" aria-controls="contextual-help-wrap" aria-expanded="false"><?php _e( 'Help' ); ?></button>
891
if ( $this->show_screen_options() ) : ?>
892
<div id="screen-options-link-wrap" class="hide-if-no-js screen-meta-toggle">
893
<button type="button" id="show-settings-link" class="button show-settings" aria-controls="screen-options-wrap" aria-expanded="false"><?php _e( 'Screen Options' ); ?></button>
902
* @global array $wp_meta_boxes
906
public function show_screen_options() {
907
global $wp_meta_boxes;
909
if ( is_bool( $this->_show_screen_options ) )
910
return $this->_show_screen_options;
912
$columns = get_column_headers( $this );
914
$show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );
916
switch ( $this->base ) {
918
$this->_screen_settings = '<p><a id="access-on" href="widgets.php?widgets-access=on">' . __('Enable accessibility mode') . '</a><a id="access-off" href="widgets.php?widgets-access=off">' . __('Disable accessibility mode') . "</a></p>\n";
921
$expand = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">';
922
$expand .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />';
923
$expand .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>';
924
$this->_screen_settings = $expand;
927
$this->_screen_settings = '';
932
* Filter the screen settings text displayed in the Screen Options tab.
934
* This filter is currently only used on the Widgets screen to enable
935
* accessibility mode.
939
* @param string $screen_settings Screen settings.
940
* @param WP_Screen $this WP_Screen object.
942
$this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );
944
if ( $this->_screen_settings || $this->_options )
948
* Filter whether to show the Screen Options tab.
952
* @param bool $show_screen Whether to show Screen Options tab.
954
* @param WP_Screen $this Current WP_Screen instance.
956
$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
957
return $this->_show_screen_options;
961
* Render the screen options tab.
965
* @param array $options {
966
* @type bool $wrap Whether the screen-options-wrap div will be included. Defaults to true.
969
public function render_screen_options( $options = array() ) {
970
$options = wp_parse_args( $options, array(
974
$wrapper_start = $wrapper_end = $form_start = $form_end = '';
976
// Output optional wrapper.
977
if ( $options['wrap'] ) {
978
$wrapper_start = '<div id="screen-options-wrap" class="hidden" tabindex="-1" aria-label="' . esc_attr__( 'Screen Options Tab' ) . '">';
979
$wrapper_end = '</div>';
982
// Don't output the form and nonce for the widgets accessibility mode links.
983
if ( 'widgets' !== $this->base ) {
984
$form_start = "\n<form id='adv-settings' method='post'>\n";
985
$form_end = "\n" . wp_nonce_field( 'screen-options-nonce', 'screenoptionnonce', false, false ) . "\n</form>\n";
988
echo $wrapper_start . $form_start;
990
$this->render_meta_boxes_preferences();
991
$this->render_list_table_columns_preferences();
992
$this->render_screen_layout();
993
$this->render_per_page_options();
994
$this->render_view_mode();
995
echo $this->_screen_settings;
998
* Filter whether to show the Screen Options submit button.
1002
* @param bool $show_button Whether to show Screen Options submit button.
1004
* @param WP_Screen $this Current WP_Screen instance.
1006
$show_button = apply_filters( 'screen_options_show_submit', false, $this );
1008
if ( $show_button ) {
1009
submit_button( __( 'Apply' ), 'primary', 'screen-options-apply', true );
1012
echo $form_end . $wrapper_end;
1016
* Render the meta boxes preferences.
1020
* @global array $wp_meta_boxes
1022
public function render_meta_boxes_preferences() {
1023
global $wp_meta_boxes;
1025
if ( ! isset( $wp_meta_boxes[ $this->id ] ) ) {
1029
<fieldset class="metabox-prefs">
1030
<legend><?php _e( 'Boxes' ); ?></legend>
1032
meta_box_prefs( $this );
1034
if ( 'dashboard' === $this->id && has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) {
1035
if ( isset( $_GET['welcome'] ) ) {
1036
$welcome_checked = empty( $_GET['welcome'] ) ? 0 : 1;
1037
update_user_meta( get_current_user_id(), 'show_welcome_panel', $welcome_checked );
1039
$welcome_checked = get_user_meta( get_current_user_id(), 'show_welcome_panel', true );
1040
if ( 2 == $welcome_checked && wp_get_current_user()->user_email != get_option( 'admin_email' ) ) {
1041
$welcome_checked = false;
1044
echo '<label for="wp_welcome_panel-hide">';
1045
echo '<input type="checkbox" id="wp_welcome_panel-hide"' . checked( (bool) $welcome_checked, true, false ) . ' />';
1046
echo _x( 'Welcome', 'Welcome panel' ) . "</label>\n";
1054
* Render the list table columns preferences.
1058
public function render_list_table_columns_preferences() {
1060
$columns = get_column_headers( $this );
1061
$hidden = get_hidden_columns( $this );
1067
$legend = ! empty( $columns['_title'] ) ? $columns['_title'] : __( 'Columns' );
1069
<fieldset class="metabox-prefs">
1070
<legend><?php echo $legend; ?></legend>
1072
$special = array( '_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname' );
1074
foreach ( $columns as $column => $title ) {
1075
// Can't hide these for they are special
1076
if ( in_array( $column, $special ) ) {
1080
if ( empty( $title ) ) {
1084
if ( 'comments' == $column ) {
1085
$title = __( 'Comments' );
1088
$id = "$column-hide";
1090
echo '<input class="hide-column-tog" name="' . $id . '" type="checkbox" value="' . $column . '"' . checked( ! in_array( $column, $hidden ), true, false ) . ' />';
1091
echo "$title</label>\n";
1099
* Render the option for number of columns on the page
1103
public function render_screen_layout() {
1104
if ( ! $this->get_option( 'layout_columns' ) ) {
1108
$screen_layout_columns = $this->get_columns();
1109
$num = $this->get_option( 'layout_columns', 'max' );
1112
<fieldset class='columns-prefs'>
1113
<legend class="screen-layout"><?php _e( 'Layout' ); ?></legend><?php
1114
for ( $i = 1; $i <= $num; ++$i ):
1116
<label class="columns-prefs-<?php echo $i; ?>">
1117
<input type='radio' name='screen_columns' value='<?php echo esc_attr( $i ); ?>'
1118
<?php checked( $screen_layout_columns, $i ); ?> />
1119
<?php printf( _n( '%s column', '%s columns', $i ), number_format_i18n( $i ) ); ?>
1128
* Render the items per page option
1132
public function render_per_page_options() {
1133
if ( null === $this->get_option( 'per_page' ) ) {
1137
$per_page_label = $this->get_option( 'per_page', 'label' );
1138
if ( null === $per_page_label ) {
1139
$per_page_label = __( 'Number of items per page:' );
1142
$option = $this->get_option( 'per_page', 'option' );
1144
$option = str_replace( '-', '_', "{$this->id}_per_page" );
1147
$per_page = (int) get_user_option( $option );
1148
if ( empty( $per_page ) || $per_page < 1 ) {
1149
$per_page = $this->get_option( 'per_page', 'default' );
1150
if ( ! $per_page ) {
1155
if ( 'edit_comments_per_page' == $option ) {
1156
$comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all';
1158
/** This filter is documented in wp-admin/includes/class-wp-comments-list-table.php */
1159
$per_page = apply_filters( 'comments_per_page', $per_page, $comment_status );
1160
} elseif ( 'categories_per_page' == $option ) {
1161
/** This filter is documented in wp-admin/includes/class-wp-terms-list-table.php */
1162
$per_page = apply_filters( 'edit_categories_per_page', $per_page );
1164
/** This filter is documented in wp-admin/includes/class-wp-list-table.php */
1165
$per_page = apply_filters( $option, $per_page );
1169
if ( isset( $this->post_type ) ) {
1170
/** This filter is documented in wp-admin/includes/post.php */
1171
$per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type );
1174
// This needs a submit button
1175
add_filter( 'screen_options_show_submit', '__return_true' );
1178
<fieldset class="screen-options">
1179
<legend><?php _e( 'Pagination' ); ?></legend>
1180
<?php if ( $per_page_label ) : ?>
1181
<label for="<?php echo esc_attr( $option ); ?>"><?php echo $per_page_label; ?></label>
1182
<input type="number" step="1" min="1" max="999" class="screen-per-page" name="wp_screen_options[value]"
1183
id="<?php echo esc_attr( $option ); ?>" maxlength="3"
1184
value="<?php echo esc_attr( $per_page ); ?>" />
1186
<input type="hidden" name="wp_screen_options[option]" value="<?php echo esc_attr( $option ); ?>" />
1192
* Render the list table view mode preferences.
1196
public function render_view_mode() {
1197
$screen = get_current_screen();
1199
// Currently only enabled for posts lists
1200
if ( 'edit' !== $screen->base ) {
1205
* Filter the post types that have different view mode options.
1209
* @param array $view_mode_post_types Array of post types that can change view modes.
1210
* Default hierarchical post types with show_ui on.
1212
$view_mode_post_types = get_post_types( array( 'hierarchical' => false, 'show_ui' => true ) );
1213
$view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );
1215
if ( ! in_array( $this->post_type, $view_mode_post_types ) ) {
1221
// This needs a submit button
1222
add_filter( 'screen_options_show_submit', '__return_true' );
1224
<fieldset class="metabox-prefs view-mode">
1225
<legend><?php _e( 'View Mode' ); ?></legend>
1226
<label for="list-view-mode">
1227
<input id="list-view-mode" type="radio" name="mode" value="list" <?php checked( 'list', $mode ); ?> />
1228
<?php _e( 'List View' ); ?>
1230
<label for="excerpt-view-mode">
1231
<input id="excerpt-view-mode" type="radio" name="mode" value="excerpt" <?php checked( 'excerpt', $mode ); ?> />
1232
<?php _e( 'Excerpt View' ); ?>
1239
* Render screen reader text.
1243
* @param string $key The screen reader text array named key.
1244
* @param string $tag Optional. The HTML tag to wrap the screen reader text. Default h2.
1246
public function render_screen_reader_content( $key = '', $tag = 'h2' ) {
1248
if ( ! isset( $this->_screen_reader_content[ $key ] ) ) {
1251
echo "<$tag class='screen-reader-text'>" . $this->_screen_reader_content[ $key ] . "</$tag>";
added
removed
wp-admin/includes/class-wp-screen.php
