wp-admin/network/themes.php

   1 <?php
   2 /**
   3  * Multisite themes administration panel.
   4  *
   5  * @package WordPress
   6  * @subpackage Multisite
   7  * @since 3.1.0
   8  */
   9
  10 /** Load WordPress Administration Bootstrap */
  11 require_once( dirname( __FILE__ ) . '/admin.php' );
  12
  13 if ( ! is_multisite() )
  14         wp_die( __( 'Multisite support is not enabled.' ) );
  15
  16 if ( !current_user_can('manage_network_themes') )
  17         wp_die( __( 'You do not have sufficient permissions to manage network themes.' ) );
  18
  19 $wp_list_table = _get_list_table('WP_MS_Themes_List_Table');
  20 $pagenum = $wp_list_table->get_pagenum();
  21
  22 $action = $wp_list_table->current_action();
  23
  24 $s = isset($_REQUEST['s']) ? $_REQUEST['s'] : '';
  25
  26 // Clean up request URI from temporary args for screen options/paging uri's to work as expected.
  27 $temp_args = array( 'enabled', 'disabled', 'deleted', 'error' );
  28 $_SERVER['REQUEST_URI'] = remove_query_arg( $temp_args, $_SERVER['REQUEST_URI'] );
  29 $referer = remove_query_arg( $temp_args, wp_get_referer() );
  30
  31 if ( $action ) {
  32         $allowed_themes = get_site_option( 'allowedthemes' );
  33         switch ( $action ) {
  34                 case 'enable':
  35                         check_admin_referer('enable-theme_' . $_GET['theme']);
  36                         $allowed_themes[ $_GET['theme'] ] = true;
  37                         update_site_option( 'allowedthemes', $allowed_themes );
  38                         if ( false === strpos( $referer, '/network/themes.php' ) )
  39                                 wp_redirect( network_admin_url( 'themes.php?enabled=1' ) );
  40                         else
  41                                 wp_safe_redirect( add_query_arg( 'enabled', 1, $referer ) );
  42                         exit;
  43                 case 'disable':
  44                         check_admin_referer('disable-theme_' . $_GET['theme']);
  45                         unset( $allowed_themes[ $_GET['theme'] ] );
  46                         update_site_option( 'allowedthemes', $allowed_themes );
  47                         wp_safe_redirect( add_query_arg( 'disabled', '1', $referer ) );
  48                         exit;
  49                 case 'enable-selected':
  50                         check_admin_referer('bulk-themes');
  51                         $themes = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
  52                         if ( empty($themes) ) {
  53                                 wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
  54                                 exit;
  55                         }
  56                         foreach ( (array) $themes as $theme )
  57                                 $allowed_themes[ $theme ] = true;
  58                         update_site_option( 'allowedthemes', $allowed_themes );
  59                         wp_safe_redirect( add_query_arg( 'enabled', count( $themes ), $referer ) );
  60                         exit;
  61                 case 'disable-selected':
  62                         check_admin_referer('bulk-themes');
  63                         $themes = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
  64                         if ( empty($themes) ) {
  65                                 wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
  66                                 exit;
  67                         }
  68                         foreach ( (array) $themes as $theme )
  69                                 unset( $allowed_themes[ $theme ] );
  70                         update_site_option( 'allowedthemes', $allowed_themes );
  71                         wp_safe_redirect( add_query_arg( 'disabled', count( $themes ), $referer ) );
  72                         exit;
  73                 case 'update-selected' :
  74                         check_admin_referer( 'bulk-themes' );
  75
  76                         if ( isset( $_GET['themes'] ) )
  77                                 $themes = explode( ',', $_GET['themes'] );
  78                         elseif ( isset( $_POST['checked'] ) )
  79                                 $themes = (array) $_POST['checked'];
  80                         else
  81                                 $themes = array();
  82
  83                         $title = __( 'Update Themes' );
  84                         $parent_file = 'themes.php';
  85
  86                         require_once(ABSPATH . 'wp-admin/admin-header.php');
  87
  88                         echo '<div class="wrap">';
  89                         echo '<h1>' . esc_html( $title ) . '</h1>';
  90
  91                         $url = self_admin_url('update.php?action=update-selected-themes&amp;themes=' . urlencode( join(',', $themes) ));
  92                         $url = wp_nonce_url($url, 'bulk-update-themes');
  93
  94                         echo "<iframe src='$url' style='width: 100%; height:100%; min-height:850px;'></iframe>";
  95                         echo '</div>';
  96                         require_once(ABSPATH . 'wp-admin/admin-footer.php');
  97                         exit;
  98                 case 'delete-selected':
  99                         if ( ! current_user_can( 'delete_themes' ) ) {
 100                                 wp_die( __('You do not have sufficient permissions to delete themes for this site.') );
 101                         }
 102
 103                         check_admin_referer( 'bulk-themes' );
 104
 105                         $themes = isset( $_REQUEST['checked'] ) ? (array) $_REQUEST['checked'] : array();
 106
 107                         if ( empty( $themes ) ) {
 108                                 wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
 109                                 exit;
 110                         }
 111
 112                         $themes = array_diff( $themes, array( get_option( 'stylesheet' ), get_option( 'template' ) ) );
 113
 114                         if ( empty( $themes ) ) {
 115                                 wp_safe_redirect( add_query_arg( 'error', 'main', $referer ) );
 116                                 exit;
 117                         }
 118
 119                         $theme_info = array();
 120                         foreach ( $themes as $key => $theme ) {
 121                                 $theme_info[ $theme ] = wp_get_theme( $theme );
 122                         }
 123
 124                         include(ABSPATH . 'wp-admin/update.php');
 125
 126                         $parent_file = 'themes.php';
 127
 128                         if ( ! isset( $_REQUEST['verify-delete'] ) ) {
 129                                 wp_enqueue_script( 'jquery' );
 130                                 require_once( ABSPATH . 'wp-admin/admin-header.php' );
 131                                 $themes_to_delete = count( $themes );
 132                                 ?>
 133                         <div class="wrap">
 134                                 <?php if ( 1 == $themes_to_delete ) : ?>
 135                                         <h1><?php _e( 'Delete Theme' ); ?></h1>
 136                                         <div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'This theme may be active on other sites in the network.' ); ?></p></div>
 137                                         <p><?php _e( 'You are about to remove the following theme:' ); ?></p>
 138                                 <?php else : ?>
 139                                         <h1><?php _e( 'Delete Themes' ); ?></h1>
 140                                         <div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'These themes may be active on other sites in the network.' ); ?></p></div>
 141                                         <p><?php _e( 'You are about to remove the following themes:' ); ?></p>
 142                                 <?php endif; ?>
 143                                         <ul class="ul-disc">
 144                                         <?php
 145                                                 foreach ( $theme_info as $theme ) {
 146                                                         echo '<li>' . sprintf(
 147                                                                 /* translators: 1: theme name, 2: theme author */
 148                                                                 _x( '%1$s by %2$s', 'theme' ),
 149                                                                 '<strong>' . $theme->display( 'Name' ) . '</strong>',
 150                                                                 '<em>' . $theme->display( 'Author' ) . '</em>'
 151                                                         ) . '</li>';
 152                                                 }
 153                                         ?>
 154                                         </ul>
 155                                 <?php if ( 1 == $themes_to_delete ) : ?>
 156                                         <p><?php _e( 'Are you sure you wish to delete this theme?' ); ?></p>
 157                                 <?php else : ?>
 158                                         <p><?php _e( 'Are you sure you wish to delete these themes?' ); ?></p>
 159                                 <?php endif; ?>
 160                                 <form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
 161                                         <input type="hidden" name="verify-delete" value="1" />
 162                                         <input type="hidden" name="action" value="delete-selected" />
 163                                         <?php
 164                                                 foreach ( (array) $themes as $theme ) {
 165                                                         echo '<input type="hidden" name="checked[]" value="' . esc_attr($theme) . '" />';
 166                                                 }
 167
 168                                                 wp_nonce_field( 'bulk-themes' );
 169
 170                                                 if ( 1 == $themes_to_delete ) {
 171                                                         submit_button( __( 'Yes, delete this theme' ), 'button', 'submit', false );
 172                                                 } else {
 173                                                         submit_button( __( 'Yes, delete these themes' ), 'button', 'submit', false );
 174                                                 }
 175                                         ?>
 176                                 </form>
 177                                 <?php
 178                                 $referer = wp_get_referer();
 179                                 ?>
 180                                 <form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
 181                                         <?php submit_button( __( 'No, return me to the theme list' ), 'button', 'submit', false ); ?>
 182                                 </form>
 183                         </div>
 184                                 <?php
 185                                 require_once(ABSPATH . 'wp-admin/admin-footer.php');
 186                                 exit;
 187                         } // Endif verify-delete
 188
 189                         foreach ( $themes as $theme ) {
 190                                 $delete_result = delete_theme( $theme, esc_url( add_query_arg( array(
 191                                         'verify-delete' => 1,
 192                                         'action' => 'delete-selected',
 193                                         'checked' => $_REQUEST['checked'],
 194                                         '_wpnonce' => $_REQUEST['_wpnonce']
 195                                 ), network_admin_url( 'themes.php' ) ) ) );
 196                         }
 197
 198                         $paged = ( $_REQUEST['paged'] ) ? $_REQUEST['paged'] : 1;
 199                         wp_redirect( add_query_arg( array(
 200                                 'deleted' => count( $themes ),
 201                                 'paged' => $paged,
 202                                 's' => $s
 203                         ), network_admin_url( 'themes.php' ) ) );
 204                         exit;
 205         }
 206 }
 207
 208 $wp_list_table->prepare_items();
 209
 210 add_thickbox();
 211
 212 add_screen_option( 'per_page' );
 213
 214 get_current_screen()->add_help_tab( array(
 215         'id'      => 'overview',
 216         'title'   => __('Overview'),
 217         'content' =>
 218                 '<p>' . __('This screen enables and disables the inclusion of themes available to choose in the Appearance menu for each site. It does not activate or deactivate which theme a site is currently using.') . '</p>' .
 219                 '<p>' . __('If the network admin disables a theme that is in use, it can still remain selected on that site. If another theme is chosen, the disabled theme will not appear in the site&#8217;s Appearance > Themes screen.') . '</p>' .
 220                 '<p>' . __('Themes can be enabled on a site by site basis by the network admin on the Edit Site screen (which has a Themes tab); get there via the Edit action link on the All Sites screen. Only network admins are able to install or edit themes.') . '</p>'
 221 ) );
 222
 223 get_current_screen()->set_help_sidebar(
 224         '<p><strong>' . __('For more information:') . '</strong></p>' .
 225         '<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Themes_Screen" target="_blank">Documentation on Network Themes</a>') . '</p>' .
 226         '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 227 );
 228
 229 get_current_screen()->set_screen_reader_content( array(
 230         'heading_views'      => __( 'Filter themes list' ),
 231         'heading_pagination' => __( 'Themes list navigation' ),
 232         'heading_list'       => __( 'Themes list' ),
 233 ) );
 234
 235 $title = __('Themes');
 236 $parent_file = 'themes.php';
 237
 238 wp_enqueue_script( 'theme-preview' );
 239
 240 require_once(ABSPATH . 'wp-admin/admin-header.php');
 241
 242 ?>
 243
 244 <div class="wrap">
 245 <h1><?php echo esc_html( $title ); if ( current_user_can('install_themes') ) { ?> <a href="theme-install.php" class="page-title-action"><?php echo esc_html_x('Add New', 'theme'); ?></a><?php }
 246 if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
 247         /* translators: %s: search keywords */
 248         printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( $s ) );
 249 }
 250 ?>
 251 </h1>
 252
 253 <?php
 254 if ( isset( $_GET['enabled'] ) ) {
 255         $enabled = absint( $_GET['enabled'] );
 256         if ( 1 == $enabled ) {
 257                 $message = __( 'Theme enabled.' );
 258         } else {
 259                 $message = _n( '%s theme enabled.', '%s themes enabled.', $enabled );
 260         }
 261         echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $enabled ) ) . '</p></div>';
 262 } elseif ( isset( $_GET['disabled'] ) ) {
 263         $disabled = absint( $_GET['disabled'] );
 264         if ( 1 == $disabled ) {
 265                 $message = __( 'Theme disabled.' );
 266         } else {
 267                 $message = _n( '%s theme disabled.', '%s themes disabled.', $disabled );
 268         }
 269         echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $disabled ) ) . '</p></div>';
 270 } elseif ( isset( $_GET['deleted'] ) ) {
 271         $deleted = absint( $_GET['deleted'] );
 272         if ( 1 == $deleted ) {
 273                 $message = __( 'Theme deleted.' );
 274         } else {
 275                 $message = _n( '%s theme deleted.', '%s themes deleted.', $deleted );
 276         }
 277         echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $deleted ) ) . '</p></div>';
 278 } elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {
 279         echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'No theme selected.' ) . '</p></div>';
 280 } elseif ( isset( $_GET['error'] ) && 'main' == $_GET['error'] ) {
 281         echo '<div class="error notice is-dismissible"><p>' . __( 'You cannot delete a theme while it is active on the main site.' ) . '</p></div>';
 282 }
 283
 284 ?>
 285
 286 <form method="get">
 287 <?php $wp_list_table->search_box( __( 'Search Installed Themes' ), 'theme' ); ?>
 288 </form>
 289
 290 <?php
 291 $wp_list_table->views();
 292
 293 if ( 'broken' == $status )
 294         echo '<p class="clear">' . __( 'The following themes are installed but incomplete.' ) . '</p>';
 295 ?>
 296
 297 <form method="post">
 298 <input type="hidden" name="theme_status" value="<?php echo esc_attr($status) ?>" />
 299 <input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
 300
 301 <?php $wp_list_table->display(); ?>
 302 </form>
 303
 304 </div>
 305
 306 <?php
 307 include(ABSPATH . 'wp-admin/admin-footer.php');