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Ignore:
Timestamp:
05/25/2021 08:38:04 AM (8 months ago)
Author:
noisysocks
Message:

Adds the widgets block editor to widgets.php and customize.php

Moves the widgets block editor from Gutenberg into WordPress Core.

  • Adds @wordpress/edit-widgets, @wordpress/customize-widgets and @wordpress/widgets.
  • Modifies wp-admin/widgets.php to branch between the old editor and new editor depending on wp_use_widgets_block_editor().
  • Modifies WP_Customize_Widgets to branch between the old editor control and new editor control depending on wp_use_widgets_block_editor().

Fixes #51506.
Props isabel_brison, TimothyBlynJacobs, andraganescu, kevin940726, talldanwp.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-admin/widgets.php

    r49113 r50996  
    11<?php
    22/**
    3  * Widget administration panel
     3 * Widget administration screen.
    44 *
    55 * @package WordPress
     
    2121}
    2222
    23 $widgets_access = get_user_setting( 'widgets_access' );
    24 if ( isset( $_GET['widgets-access'] ) ) {
    25     check_admin_referer( 'widgets-access' );
    26 
    27     $widgets_access = 'on' === $_GET['widgets-access'] ? 'on' : 'off';
    28     set_user_setting( 'widgets_access', $widgets_access );
    29 }
    30 
    31 if ( 'on' === $widgets_access ) {
    32     add_filter( 'admin_body_class', 'wp_widgets_access_body_class' );
    33 } else {
    34     wp_enqueue_script( 'admin-widgets' );
    35 
    36     if ( wp_is_mobile() ) {
    37         wp_enqueue_script( 'jquery-touch-punch' );
    38     }
    39 }
    40 
    41 /**
    42  * Fires early before the Widgets administration screen loads,
    43  * after scripts are enqueued.
    44  *
    45  * @since 2.2.0
    46  */
    47 do_action( 'sidebar_admin_setup' );
    48 
    4923$title       = __( 'Widgets' );
    5024$parent_file = 'themes.php';
    5125
    52 get_current_screen()->add_help_tab(
    53     array(
    54         'id'      => 'overview',
    55         'title'   => __( 'Overview' ),
    56         'content' =>
    57                 '<p>' . __( 'Widgets are independent sections of content that can be placed into any widgetized area provided by your theme (commonly called sidebars). To populate your sidebars/widget areas with individual widgets, drag and drop the title bars into the desired area. By default, only the first widget area is expanded. To populate additional widget areas, click on their title bars to expand them.' ) . '</p>
    58     <p>' . __( 'The Available Widgets section contains all the widgets you can choose from. Once you drag a widget into a sidebar, it will open to allow you to configure its settings. When you are happy with the widget settings, click the Save button and the widget will go live on your site. If you click Delete, it will remove the widget.' ) . '</p>',
    59     )
    60 );
    61 get_current_screen()->add_help_tab(
    62     array(
    63         'id'      => 'removing-reusing',
    64         'title'   => __( 'Removing and Reusing' ),
    65         'content' =>
    66                 '<p>' . __( 'If you want to remove the widget but save its setting for possible future use, just drag it into the Inactive Widgets area. You can add them back anytime from there. This is especially helpful when you switch to a theme with fewer or different widget areas.' ) . '</p>
    67     <p>' . __( 'Widgets may be used multiple times. You can give each widget a title, to display on your site, but it&#8217;s not required.' ) . '</p>
    68     <p>' . __( 'Enabling Accessibility Mode, via Screen Options, allows you to use Add and Edit buttons instead of using drag and drop.' ) . '</p>',
    69     )
    70 );
    71 get_current_screen()->add_help_tab(
    72     array(
    73         'id'      => 'missing-widgets',
    74         'title'   => __( 'Missing Widgets' ),
    75         'content' =>
    76                 '<p>' . __( 'Many themes show some sidebar widgets by default until you edit your sidebars, but they are not automatically displayed in your sidebar management tool. After you make your first widget change, you can re-add the default widgets by adding them from the Available Widgets area.' ) . '</p>' .
    77                     '<p>' . __( 'When changing themes, there is often some variation in the number and setup of widget areas/sidebars and sometimes these conflicts make the transition a bit less smooth. If you changed themes and seem to be missing widgets, scroll down on this screen to the Inactive Widgets area, where all of your widgets and their settings will have been saved.' ) . '</p>',
    78     )
    79 );
    80 
    81 get_current_screen()->set_help_sidebar(
    82     '<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
    83     '<p>' . __( '<a href="https://wordpress.org/support/article/appearance-widgets-screen/">Documentation on Widgets</a>' ) . '</p>' .
    84     '<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
    85 );
    86 
    87 if ( ! current_theme_supports( 'widgets' ) ) {
    88     wp_die( __( 'The theme you are currently using isn&#8217;t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="https://developer.wordpress.org/themes/functionality/widgets/">follow these instructions</a>.' ) );
     26if ( wp_use_widgets_block_editor() ) {
     27    require ABSPATH . 'wp-admin/widgets-form-blocks.php';
     28} else {
     29    require ABSPATH . 'wp-admin/widgets-form.php';
    8930}
    90 
    91 // These are the widgets grouped by sidebar.
    92 $sidebars_widgets = wp_get_sidebars_widgets();
    93 
    94 if ( empty( $sidebars_widgets ) ) {
    95     $sidebars_widgets = wp_get_widget_defaults();
    96 }
    97 
    98 foreach ( $sidebars_widgets as $sidebar_id => $widgets ) {
    99     if ( 'wp_inactive_widgets' === $sidebar_id ) {
    100         continue;
    101     }
    102 
    103     if ( ! is_registered_sidebar( $sidebar_id ) ) {
    104         if ( ! empty( $widgets ) ) { // Register the inactive_widgets area as sidebar.
    105             register_sidebar(
    106                 array(
    107                     'name'          => __( 'Inactive Sidebar (not used)' ),
    108                     'id'            => $sidebar_id,
    109                     'class'         => 'inactive-sidebar orphan-sidebar',
    110                     'description'   => __( 'This sidebar is no longer available and does not show anywhere on your site. Remove each of the widgets below to fully remove this inactive sidebar.' ),
    111                     'before_widget' => '',
    112                     'after_widget'  => '',
    113                     'before_title'  => '',
    114                     'after_title'   => '',
    115                 )
    116             );
    117         } else {
    118             unset( $sidebars_widgets[ $sidebar_id ] );
    119         }
    120     }
    121 }
    122 
    123 // Register the inactive_widgets area as sidebar.
    124 register_sidebar(
    125     array(
    126         'name'          => __( 'Inactive Widgets' ),
    127         'id'            => 'wp_inactive_widgets',
    128         'class'         => 'inactive-sidebar',
    129         'description'   => __( 'Drag widgets here to remove them from the sidebar but keep their settings.' ),
    130         'before_widget' => '',
    131         'after_widget'  => '',
    132         'before_title'  => '',
    133         'after_title'   => '',
    134     )
    135 );
    136 
    137 retrieve_widgets();
    138 
    139 // We're saving a widget without JS.
    140 if ( isset( $_POST['savewidget'] ) || isset( $_POST['removewidget'] ) ) {
    141     $widget_id = $_POST['widget-id'];
    142     check_admin_referer( "save-delete-widget-$widget_id" );
    143 
    144     $number = isset( $_POST['multi_number'] ) ? (int) $_POST['multi_number'] : '';
    145     if ( $number ) {
    146         foreach ( $_POST as $key => $val ) {
    147             if ( is_array( $val ) && preg_match( '/__i__|%i%/', key( $val ) ) ) {
    148                 $_POST[ $key ] = array( $number => array_shift( $val ) );
    149                 break;
    150             }
    151         }
    152     }
    153 
    154     $sidebar_id = $_POST['sidebar'];
    155     $position   = isset( $_POST[ $sidebar_id . '_position' ] ) ? (int) $_POST[ $sidebar_id . '_position' ] - 1 : 0;
    156 
    157     $id_base = $_POST['id_base'];
    158     $sidebar = isset( $sidebars_widgets[ $sidebar_id ] ) ? $sidebars_widgets[ $sidebar_id ] : array();
    159 
    160     // Delete.
    161     if ( isset( $_POST['removewidget'] ) && $_POST['removewidget'] ) {
    162 
    163         if ( ! in_array( $widget_id, $sidebar, true ) ) {
    164             wp_redirect( admin_url( 'widgets.php?error=0' ) );
    165             exit;
    166         }
    167 
    168         $sidebar = array_diff( $sidebar, array( $widget_id ) );
    169         $_POST   = array(
    170             'sidebar'            => $sidebar_id,
    171             'widget-' . $id_base => array(),
    172             'the-widget-id'      => $widget_id,
    173             'delete_widget'      => '1',
    174         );
    175 
    176         /**
    177          * Fires immediately after a widget has been marked for deletion.
    178          *
    179          * @since 4.4.0
    180          *
    181          * @param string $widget_id  ID of the widget marked for deletion.
    182          * @param string $sidebar_id ID of the sidebar the widget was deleted from.
    183          * @param string $id_base    ID base for the widget.
    184          */
    185         do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );
    186     }
    187 
    188     $_POST['widget-id'] = $sidebar;
    189 
    190     foreach ( (array) $wp_registered_widget_updates as $name => $control ) {
    191         if ( $name !== $id_base || ! is_callable( $control['callback'] ) ) {
    192             continue;
    193         }
    194 
    195         ob_start();
    196             call_user_func_array( $control['callback'], $control['params'] );
    197         ob_end_clean();
    198 
    199         break;
    200     }
    201 
    202     $sidebars_widgets[ $sidebar_id ] = $sidebar;
    203 
    204     // Remove old position.
    205     if ( ! isset( $_POST['delete_widget'] ) ) {
    206         foreach ( $sidebars_widgets as $key => $sb ) {
    207             if ( is_array( $sb ) ) {
    208                 $sidebars_widgets[ $key ] = array_diff( $sb, array( $widget_id ) );
    209             }
    210         }
    211         array_splice( $sidebars_widgets[ $sidebar_id ], $position, 0, $widget_id );
    212     }
    213 
    214     wp_set_sidebars_widgets( $sidebars_widgets );
    215     wp_redirect( admin_url( 'widgets.php?message=0' ) );
    216     exit;
    217 }
    218 
    219 // Remove inactive widgets without JS.
    220 if ( isset( $_POST['removeinactivewidgets'] ) ) {
    221     check_admin_referer( 'remove-inactive-widgets', '_wpnonce_remove_inactive_widgets' );
    222 
    223     if ( $_POST['removeinactivewidgets'] ) {
    224         foreach ( $sidebars_widgets['wp_inactive_widgets'] as $key => $widget_id ) {
    225             $pieces       = explode( '-', $widget_id );
    226             $multi_number = array_pop( $pieces );
    227             $id_base      = implode( '-', $pieces );
    228             $widget       = get_option( 'widget_' . $id_base );
    229             unset( $widget[ $multi_number ] );
    230             update_option( 'widget_' . $id_base, $widget );
    231             unset( $sidebars_widgets['wp_inactive_widgets'][ $key ] );
    232         }
    233 
    234         wp_set_sidebars_widgets( $sidebars_widgets );
    235     }
    236 
    237     wp_redirect( admin_url( 'widgets.php?message=0' ) );
    238     exit;
    239 }
    240 
    241 // Output the widget form without JS.
    242 if ( isset( $_GET['editwidget'] ) && $_GET['editwidget'] ) {
    243     $widget_id = $_GET['editwidget'];
    244 
    245     if ( isset( $_GET['addnew'] ) ) {
    246         // Default to the first sidebar.
    247         $keys    = array_keys( $wp_registered_sidebars );
    248         $sidebar = reset( $keys );
    249 
    250         if ( isset( $_GET['base'] ) && isset( $_GET['num'] ) ) { // Multi-widget.
    251             // Copy minimal info from an existing instance of this widget to a new instance.
    252             foreach ( $wp_registered_widget_controls as $control ) {
    253                 if ( $_GET['base'] === $control['id_base'] ) {
    254                     $control_callback                                = $control['callback'];
    255                     $multi_number                                    = (int) $_GET['num'];
    256                     $control['params'][0]['number']                  = -1;
    257                     $control['id']                                   = $control['id_base'] . '-' . $multi_number;
    258                     $widget_id                                       = $control['id'];
    259                     $wp_registered_widget_controls[ $control['id'] ] = $control;
    260                     break;
    261                 }
    262             }
    263         }
    264     }
    265 
    266     if ( isset( $wp_registered_widget_controls[ $widget_id ] ) && ! isset( $control ) ) {
    267         $control          = $wp_registered_widget_controls[ $widget_id ];
    268         $control_callback = $control['callback'];
    269     } elseif ( ! isset( $wp_registered_widget_controls[ $widget_id ] ) && isset( $wp_registered_widgets[ $widget_id ] ) ) {
    270         $name = esc_html( strip_tags( $wp_registered_widgets[ $widget_id ]['name'] ) );
    271     }
    272 
    273     if ( ! isset( $name ) ) {
    274         $name = esc_html( strip_tags( $control['name'] ) );
    275     }
    276 
    277     if ( ! isset( $sidebar ) ) {
    278         $sidebar = isset( $_GET['sidebar'] ) ? $_GET['sidebar'] : 'wp_inactive_widgets';
    279     }
    280 
    281     if ( ! isset( $multi_number ) ) {
    282         $multi_number = isset( $control['params'][0]['number'] ) ? $control['params'][0]['number'] : '';
    283     }
    284 
    285     $id_base = isset( $control['id_base'] ) ? $control['id_base'] : $control['id'];
    286 
    287     // Show the widget form.
    288     $width = ' style="width:' . max( $control['width'], 350 ) . 'px"';
    289     $key   = isset( $_GET['key'] ) ? (int) $_GET['key'] : 0;
    290 
    291     require_once ABSPATH . 'wp-admin/admin-header.php'; ?>
    292     <div class="wrap">
    293     <h1><?php echo esc_html( $title ); ?></h1>
    294     <div class="editwidget"<?php echo $width; ?>>
    295     <h2>
    296     <?php
    297     /* translators: %s: Widget name. */
    298     printf( __( 'Widget %s' ), $name );
    299     ?>
    300     </h2>
    301 
    302     <form action="widgets.php" method="post">
    303     <div class="widget-inside">
    304     <?php
    305     if ( is_callable( $control_callback ) ) {
    306         call_user_func_array( $control_callback, $control['params'] );
    307     } else {
    308         echo '<p>' . __( 'There are no options for this widget.' ) . "</p>\n";
    309     }
    310     ?>
    311     </div>
    312 
    313     <p class="describe"><?php _e( 'Select both the sidebar for this widget and the position of the widget in that sidebar.' ); ?></p>
    314     <div class="widget-position">
    315     <table class="widefat"><thead><tr><th><?php _e( 'Sidebar' ); ?></th><th><?php _e( 'Position' ); ?></th></tr></thead><tbody>
    316     <?php
    317     foreach ( $wp_registered_sidebars as $sbname => $sbvalue ) {
    318         echo "\t\t<tr><td><label><input type='radio' name='sidebar' value='" . esc_attr( $sbname ) . "'" . checked( $sbname, $sidebar, false ) . " /> $sbvalue[name]</label></td><td>";
    319         if ( 'wp_inactive_widgets' === $sbname || 'orphaned_widgets' === substr( $sbname, 0, 16 ) ) {
    320             echo '&nbsp;';
    321         } else {
    322             if ( ! isset( $sidebars_widgets[ $sbname ] ) || ! is_array( $sidebars_widgets[ $sbname ] ) ) {
    323                 $j                           = 1;
    324                 $sidebars_widgets[ $sbname ] = array();
    325             } else {
    326                 $j = count( $sidebars_widgets[ $sbname ] );
    327                 if ( isset( $_GET['addnew'] ) || ! in_array( $widget_id, $sidebars_widgets[ $sbname ], true ) ) {
    328                     $j++;
    329                 }
    330             }
    331             $selected = '';
    332             echo "\t\t<select name='{$sbname}_position'>\n";
    333             echo "\t\t<option value=''>" . __( '&mdash; Select &mdash;' ) . "</option>\n";
    334             for ( $i = 1; $i <= $j; $i++ ) {
    335                 if ( in_array( $widget_id, $sidebars_widgets[ $sbname ], true ) ) {
    336                     $selected = selected( $i, $key + 1, false );
    337                 }
    338                 echo "\t\t<option value='$i'$selected> $i </option>\n";
    339             }
    340             echo "\t\t</select>\n";
    341         }
    342         echo "</td></tr>\n";
    343     }
    344     ?>
    345     </tbody></table>
    346     </div>
    347 
    348     <div class="widget-control-actions">
    349         <div class="alignleft">
    350             <?php if ( ! isset( $_GET['addnew'] ) ) : ?>
    351                 <input type="submit" name="removewidget" id="removewidget" class="button-link button-link-delete widget-control-remove" value="<?php _e( 'Delete' ); ?>" />
    352                 <span class="widget-control-close-wrapper">
    353                     | <a href="widgets.php" class="button-link widget-control-close"><?php _e( 'Cancel' ); ?></a>
    354                 </span>
    355             <?php else : ?>
    356                 <a href="widgets.php" class="button-link widget-control-close"><?php _e( 'Cancel' ); ?></a>
    357             <?php endif; ?>
    358         </div>
    359         <div class="alignright">
    360             <?php submit_button( __( 'Save Widget' ), 'primary alignright', 'savewidget', false ); ?>
    361             <input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr( $widget_id ); ?>" />
    362             <input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr( $id_base ); ?>" />
    363             <input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr( $multi_number ); ?>" />
    364             <?php wp_nonce_field( "save-delete-widget-$widget_id" ); ?>
    365         </div>
    366         <br class="clear" />
    367     </div>
    368 
    369     </form>
    370     </div>
    371     </div>
    372     <?php
    373     require_once ABSPATH . 'wp-admin/admin-footer.php';
    374     exit;
    375 }
    376 
    377 $messages = array(
    378     __( 'Changes saved.' ),
    379 );
    380 
    381 $errors = array(
    382     __( 'Error while saving.' ),
    383     __( 'Error in displaying the widget settings form.' ),
    384 );
    385 
    386 require_once ABSPATH . 'wp-admin/admin-header.php';
    387 ?>
    388 
    389 <div class="wrap">
    390 <h1 class="wp-heading-inline">
    391 <?php
    392 echo esc_html( $title );
    393 ?>
    394 </h1>
    395 
    396 <?php
    397 if ( current_user_can( 'customize' ) ) {
    398     printf(
    399         ' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
    400         esc_url(
    401             add_query_arg(
    402                 array(
    403                     array( 'autofocus' => array( 'panel' => 'widgets' ) ),
    404                     'return' => urlencode( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ),
    405                 ),
    406                 admin_url( 'customize.php' )
    407             )
    408         ),
    409         __( 'Manage with Live Preview' )
    410     );
    411 }
    412 
    413 $nonce = wp_create_nonce( 'widgets-access' );
    414 ?>
    415 <div class="widget-access-link">
    416     <a id="access-on" href="widgets.php?widgets-access=on&_wpnonce=<?php echo urlencode( $nonce ); ?>"><?php _e( 'Enable accessibility mode' ); ?></a><a id="access-off" href="widgets.php?widgets-access=off&_wpnonce=<?php echo urlencode( $nonce ); ?>"><?php _e( 'Disable accessibility mode' ); ?></a>
    417 </div>
    418 
    419 <hr class="wp-header-end">
    420 
    421 <?php if ( isset( $_GET['message'] ) && isset( $messages[ $_GET['message'] ] ) ) { ?>
    422 <div id="message" class="updated notice is-dismissible"><p><?php echo $messages[ $_GET['message'] ]; ?></p></div>
    423 <?php } ?>
    424 <?php if ( isset( $_GET['error'] ) && isset( $errors[ $_GET['error'] ] ) ) { ?>
    425 <div id="message" class="error"><p><?php echo $errors[ $_GET['error'] ]; ?></p></div>
    426 <?php } ?>
    427 
    428 <?php
    429 /**
    430  * Fires before the Widgets administration page content loads.
    431  *
    432  * @since 3.0.0
    433  */
    434 do_action( 'widgets_admin_page' );
    435 ?>
    436 
    437 <div class="widget-liquid-left">
    438 <div id="widgets-left">
    439     <div id="available-widgets" class="widgets-holder-wrap">
    440         <div class="sidebar-name">
    441             <button type="button" class="handlediv hide-if-no-js" aria-expanded="true">
    442                 <span class="screen-reader-text"><?php _e( 'Available Widgets' ); ?></span>
    443                 <span class="toggle-indicator" aria-hidden="true"></span>
    444             </button>
    445             <h2><?php _e( 'Available Widgets' ); ?> <span id="removing-widget"><?php _ex( 'Deactivate', 'removing-widget' ); ?> <span></span></span></h2>
    446         </div>
    447         <div class="widget-holder">
    448             <div class="sidebar-description">
    449                 <p class="description"><?php _e( 'To activate a widget drag it to a sidebar or click on it. To deactivate a widget and delete its settings, drag it back.' ); ?></p>
    450             </div>
    451             <div id="widget-list">
    452                 <?php wp_list_widgets(); ?>
    453             </div>
    454             <br class='clear' />
    455         </div>
    456         <br class="clear" />
    457     </div>
    458 
    459 <?php
    460 
    461 $theme_sidebars = array();
    462 foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) {
    463     if ( false !== strpos( $registered_sidebar['class'], 'inactive-sidebar' ) || 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) {
    464         $wrap_class = 'widgets-holder-wrap';
    465         if ( ! empty( $registered_sidebar['class'] ) ) {
    466             $wrap_class .= ' ' . $registered_sidebar['class'];
    467         }
    468 
    469         $is_inactive_widgets = 'wp_inactive_widgets' === $registered_sidebar['id'];
    470         ?>
    471         <div class="<?php echo esc_attr( $wrap_class ); ?>">
    472             <div class="widget-holder inactive">
    473                 <?php wp_list_widget_controls( $registered_sidebar['id'], $registered_sidebar['name'] ); ?>
    474 
    475                 <?php if ( $is_inactive_widgets ) { ?>
    476                 <div class="remove-inactive-widgets">
    477                     <form action="" method="post">
    478                         <p>
    479                             <?php
    480                             $attributes = array( 'id' => 'inactive-widgets-control-remove' );
    481 
    482                             if ( empty( $sidebars_widgets['wp_inactive_widgets'] ) ) {
    483                                 $attributes['disabled'] = '';
    484                             }
    485 
    486                             submit_button( __( 'Clear Inactive Widgets' ), 'delete', 'removeinactivewidgets', false, $attributes );
    487                             ?>
    488                             <span class="spinner"></span>
    489                         </p>
    490                         <?php wp_nonce_field( 'remove-inactive-widgets', '_wpnonce_remove_inactive_widgets' ); ?>
    491                     </form>
    492                 </div>
    493                 <?php } ?>
    494             </div>
    495             <?php if ( $is_inactive_widgets ) { ?>
    496             <p class="description"><?php _e( 'This will clear all items from the inactive widgets list. You will not be able to restore any customizations.' ); ?></p>
    497             <?php } ?>
    498         </div>
    499         <?php
    500 
    501     } else {
    502         $theme_sidebars[ $sidebar ] = $registered_sidebar;
    503     }
    504 }
    505 
    506 ?>
    507 </div>
    508 </div>
    509 <?php
    510 
    511 $i                    = 0;
    512 $split                = 0;
    513 $single_sidebar_class = '';
    514 $sidebars_count       = count( $theme_sidebars );
    515 
    516 if ( $sidebars_count > 1 ) {
    517     $split = (int) ceil( $sidebars_count / 2 );
    518 } else {
    519     $single_sidebar_class = ' single-sidebar';
    520 }
    521 
    522 ?>
    523 <div class="widget-liquid-right">
    524 <div id="widgets-right" class="wp-clearfix<?php echo $single_sidebar_class; ?>">
    525 <div class="sidebars-column-1">
    526 <?php
    527 
    528 foreach ( $theme_sidebars as $sidebar => $registered_sidebar ) {
    529     $wrap_class = 'widgets-holder-wrap';
    530     if ( ! empty( $registered_sidebar['class'] ) ) {
    531         $wrap_class .= ' sidebar-' . $registered_sidebar['class'];
    532     }
    533 
    534     if ( $i > 0 ) {
    535         $wrap_class .= ' closed';
    536     }
    537 
    538     if ( $split && $i === $split ) {
    539         ?>
    540         </div><div class="sidebars-column-2">
    541         <?php
    542     }
    543 
    544     ?>
    545     <div class="<?php echo esc_attr( $wrap_class ); ?>">
    546         <?php
    547         // Show the control forms for each of the widgets in this sidebar.
    548         wp_list_widget_controls( $sidebar, $registered_sidebar['name'] );
    549         ?>
    550     </div>
    551     <?php
    552 
    553     $i++;
    554 }
    555 
    556 ?>
    557 </div>
    558 </div>
    559 </div>
    560 <form method="post">
    561 <?php wp_nonce_field( 'save-sidebar-widgets', '_wpnonce_widgets', false ); ?>
    562 </form>
    563 <br class="clear" />
    564 </div>
    565 
    566 <div class="widgets-chooser">
    567     <ul class="widgets-chooser-sidebars"></ul>
    568     <div class="widgets-chooser-actions">
    569         <button class="button widgets-chooser-cancel"><?php _e( 'Cancel' ); ?></button>
    570         <button class="button button-primary widgets-chooser-add"><?php _e( 'Add Widget' ); ?></button>
    571     </div>
    572 </div>
    573 
    574 <?php
    575 
    576 /**
    577  * Fires after the available widgets and sidebars have loaded, before the admin footer.
    578  *
    579  * @since 2.2.0
    580  */
    581 do_action( 'sidebar_admin_page' );
    582 require_once ABSPATH . 'wp-admin/admin-footer.php';
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