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/wp-admin/network/ -> themes.php (source)

   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              $files_to_delete = $theme_info = array();
 120              $theme_translations = wp_get_installed_translations( 'themes' );
 121              foreach ( $themes as $key => $theme ) {
 122                  $theme_info[ $theme ] = wp_get_theme( $theme );
 123  
 124                  // Locate all the files in that folder.
 125                  $files = list_files( $theme_info[ $theme ]->get_stylesheet_directory() );
 126                  if ( $files ) {
 127                      $files_to_delete = array_merge( $files_to_delete, $files );
 128                  }
 129  
 130                  // Add translation files.
 131                  $theme_slug = $theme_info[ $theme ]->get_stylesheet();
 132                  if ( ! empty( $theme_translations[ $theme_slug ] ) ) {
 133                      $translations = $theme_translations[ $theme_slug ];
 134  
 135                      foreach ( $translations as $translation => $data ) {
 136                          $files_to_delete[] = $theme_slug . '-' . $translation . '.po';
 137                          $files_to_delete[] = $theme_slug . '-' . $translation . '.mo';
 138                      }
 139                  }
 140              }
 141  
 142              include (ABSPATH . 'wp-admin/update.php');
 143  
 144              $parent_file = 'themes.php';
 145  
 146              if ( ! isset( $_REQUEST['verify-delete'] ) ) {
 147                  wp_enqueue_script( 'jquery' );
 148                  require_once ( ABSPATH . 'wp-admin/admin-header.php' );
 149                  $themes_to_delete = count( $themes );
 150                  ?>
 151              <div class="wrap">
 152                  <?php if ( 1 == $themes_to_delete ) : ?>
 153                      <h1><?php _e( 'Delete Theme' ); ?></h1>
 154                      <div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'This theme may be active on other sites in the network.' ); ?></p></div>
 155                      <p><?php _e( 'You are about to remove the following theme:' ); ?></p>
 156                  <?php else : ?>
 157                      <h1><?php _e( 'Delete Themes' ); ?></h1>
 158                      <div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'These themes may be active on other sites in the network.' ); ?></p></div>
 159                      <p><?php _e( 'You are about to remove the following themes:' ); ?></p>
 160                  <?php endif; ?>
 161                      <ul class="ul-disc">
 162                      <?php
 163                          foreach ( $theme_info as $theme ) {
 164                              /* translators: 1: theme name, 2: theme author */
 165                              echo '<li>', sprintf( __('<strong>%1$s</strong> by <em>%2$s</em>' ), $theme->display('Name'), $theme->display('Author') ), '</li>';
 166                          }
 167                      ?>
 168                      </ul>
 169                  <?php if ( 1 == $themes_to_delete ) : ?>
 170                      <p><?php _e( 'Are you sure you wish to delete this theme?' ); ?></p>
 171                  <?php else : ?>
 172                      <p><?php _e( 'Are you sure you wish to delete these themes?' ); ?></p>
 173                  <?php endif; ?>
 174                  <form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
 175                      <input type="hidden" name="verify-delete" value="1" />
 176                      <input type="hidden" name="action" value="delete-selected" />
 177                      <?php
 178                          foreach ( (array) $themes as $theme ) {
 179                              echo '<input type="hidden" name="checked[]" value="' . esc_attr($theme) . '" />';
 180                          }
 181  
 182                          wp_nonce_field( 'bulk-themes' );
 183  
 184                          if ( 1 == $themes_to_delete ) {
 185                              submit_button( __( 'Yes, delete this theme' ), 'button', 'submit', false );
 186                          } else {
 187                              submit_button( __( 'Yes, delete these themes' ), 'button', 'submit', false );
 188                          }
 189                      ?>
 190                  </form>
 191                  <?php
 192                  $referer = wp_get_referer();
 193                  ?>
 194                  <form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
 195                      <?php submit_button( __( 'No, return me to the theme list' ), 'button', 'submit', false ); ?>
 196                  </form>
 197  
 198                  <p><a href="#" onclick="jQuery('#files-list').toggle(); return false;"><?php _e('Click to view entire list of files which will be deleted'); ?></a></p>
 199                  <div id="files-list" style="display:none;">
 200                      <ul class="code">
 201                      <?php
 202                          foreach ( (array) $files_to_delete as $file ) {
 203                              echo '<li>' . esc_html( str_replace( WP_CONTENT_DIR . '/themes', '', $file ) ) . '</li>';
 204                          }
 205                      ?>
 206                      </ul>
 207                  </div>
 208              </div>
 209                  <?php
 210                  require_once (ABSPATH . 'wp-admin/admin-footer.php');
 211                  exit;
 212              } // Endif verify-delete
 213  
 214              foreach ( $themes as $theme ) {
 215                  $delete_result = delete_theme( $theme, esc_url( add_query_arg( array(
 216                      'verify-delete' => 1,
 217                      'action' => 'delete-selected',
 218                      'checked' => $_REQUEST['checked'],
 219                      '_wpnonce' => $_REQUEST['_wpnonce']
 220                  ), network_admin_url( 'themes.php' ) ) ) );
 221              }
 222  
 223              $paged = ( $_REQUEST['paged'] ) ? $_REQUEST['paged'] : 1;
 224              wp_redirect( add_query_arg( array(
 225                  'deleted' => count( $themes ),
 226                  'paged' => $paged,
 227                  's' => $s
 228              ), network_admin_url( 'themes.php' ) ) );
 229              exit;
 230      }
 231  }
 232  
 233  $wp_list_table->prepare_items();
 234  
 235  add_thickbox();
 236  
 237  add_screen_option( 'per_page' );
 238  
 239  get_current_screen()->add_help_tab( array(
 240      'id'      => 'overview',
 241      'title'   => __('Overview'),
 242      'content' =>
 243          '<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>' .
 244          '<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>' .
 245          '<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>'
 246  ) );
 247  
 248  get_current_screen()->set_help_sidebar(
 249      '<p><strong>' . __('For more information:') . '</strong></p>' .
 250      '<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Themes_Screen" target="_blank">Documentation on Network Themes</a>') . '</p>' .
 251      '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 252  );
 253  
 254  $title = __('Themes');
 255  $parent_file = 'themes.php';
 256  
 257  wp_enqueue_script( 'theme-preview' );
 258  
 259  require_once (ABSPATH . 'wp-admin/admin-header.php');
 260  
 261  ?>
 262  
 263  <div class="wrap">
 264  <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 }
 265  if ( $s )
 266      printf( '<span class="subtitle">' . __('Search results for &#8220;%s&#8221;') . '</span>', esc_html( $s ) ); ?>
 267  </h1>
 268  
 269  <?php
 270  if ( isset( $_GET['enabled'] ) ) {
 271      $enabled = absint( $_GET['enabled'] );
 272      if ( 1 == $enabled ) {
 273          $message = __( 'Theme enabled.' );
 274      } else {
 275          $message = _n( '%s theme enabled.', '%s themes enabled.', $enabled );
 276      }
 277      echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $enabled ) ) . '</p></div>';
 278  } elseif ( isset( $_GET['disabled'] ) ) {
 279      $disabled = absint( $_GET['disabled'] );
 280      if ( 1 == $disabled ) {
 281          $message = __( 'Theme disabled.' );
 282      } else {
 283          $message = _n( '%s theme disabled.', '%s themes disabled.', $disabled );
 284      }
 285      echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $disabled ) ) . '</p></div>';
 286  } elseif ( isset( $_GET['deleted'] ) ) {
 287      $deleted = absint( $_GET['deleted'] );
 288      if ( 1 == $deleted ) {
 289          $message = __( 'Theme deleted.' );
 290      } else {
 291          $message = _n( '%s theme deleted.', '%s themes deleted.', $deleted );
 292      }
 293      echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $deleted ) ) . '</p></div>';
 294  } elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {
 295      echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'No theme selected.' ) . '</p></div>';
 296  } elseif ( isset( $_GET['error'] ) && 'main' == $_GET['error'] ) {
 297      echo '<div class="error notice is-dismissible"><p>' . __( 'You cannot delete a theme while it is active on the main site.' ) . '</p></div>';
 298  }
 299  
 300  ?>
 301  
 302  <form method="get">
 303  <?php $wp_list_table->search_box( __( 'Search Installed Themes' ), 'theme' ); ?>
 304  </form>
 305  
 306  <?php
 307  $wp_list_table->views();
 308  
 309  if ( 'broken' == $status )
 310      echo '<p class="clear">' . __('The following themes are installed but incomplete. Themes must have a stylesheet and a template.') . '</p>';
 311  ?>
 312  
 313  <form method="post">
 314  <input type="hidden" name="theme_status" value="<?php echo esc_attr($status) ?>" />
 315  <input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
 316  
 317  <?php $wp_list_table->display(); ?>
 318  </form>
 319  
 320  </div>
 321  
 322  <?php
 323  include (ABSPATH . 'wp-admin/admin-footer.php');


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