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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              $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 $theme ) {
 146                              /* translators: 1: theme name, 2: theme author */
 147                              echo '<li>', sprintf( __('<strong>%1$s</strong> by <em>%2$s</em>' ), $theme->display('Name'), $theme->display('Author') ), '</li>';
 148                          }
 149                      ?>
 150                      </ul>
 151                  <?php if ( 1 == $themes_to_delete ) : ?>
 152                      <p><?php _e( 'Are you sure you wish to delete this theme?' ); ?></p>
 153                  <?php else : ?>
 154                      <p><?php _e( 'Are you sure you wish to delete these themes?' ); ?></p>
 155                  <?php endif; ?>
 156                  <form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
 157                      <input type="hidden" name="verify-delete" value="1" />
 158                      <input type="hidden" name="action" value="delete-selected" />
 159                      <?php
 160                          foreach ( (array) $themes as $theme ) {
 161                              echo '<input type="hidden" name="checked[]" value="' . esc_attr($theme) . '" />';
 162                          }
 163  
 164                          wp_nonce_field( 'bulk-themes' );
 165  
 166                          if ( 1 == $themes_to_delete ) {
 167                              submit_button( __( 'Yes, delete this theme' ), 'button', 'submit', false );
 168                          } else {
 169                              submit_button( __( 'Yes, delete these themes' ), 'button', 'submit', false );
 170                          }
 171                      ?>
 172                  </form>
 173                  <?php
 174                  $referer = wp_get_referer();
 175                  ?>
 176                  <form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
 177                      <?php submit_button( __( 'No, return me to the theme list' ), 'button', 'submit', false ); ?>
 178                  </form>
 179              </div>
 180                  <?php
 181                  require_once (ABSPATH . 'wp-admin/admin-footer.php');
 182                  exit;
 183              } // Endif verify-delete
 184  
 185              foreach ( $themes as $theme ) {
 186                  $delete_result = delete_theme( $theme, esc_url( add_query_arg( array(
 187                      'verify-delete' => 1,
 188                      'action' => 'delete-selected',
 189                      'checked' => $_REQUEST['checked'],
 190                      '_wpnonce' => $_REQUEST['_wpnonce']
 191                  ), network_admin_url( 'themes.php' ) ) ) );
 192              }
 193  
 194              $paged = ( $_REQUEST['paged'] ) ? $_REQUEST['paged'] : 1;
 195              wp_redirect( add_query_arg( array(
 196                  'deleted' => count( $themes ),
 197                  'paged' => $paged,
 198                  's' => $s
 199              ), network_admin_url( 'themes.php' ) ) );
 200              exit;
 201      }
 202  }
 203  
 204  $wp_list_table->prepare_items();
 205  
 206  add_thickbox();
 207  
 208  add_screen_option( 'per_page' );
 209  
 210  get_current_screen()->add_help_tab( array(
 211      'id'      => 'overview',
 212      'title'   => __('Overview'),
 213      'content' =>
 214          '<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>' .
 215          '<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>' .
 216          '<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>'
 217  ) );
 218  
 219  get_current_screen()->set_help_sidebar(
 220      '<p><strong>' . __('For more information:') . '</strong></p>' .
 221      '<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Themes_Screen" target="_blank">Documentation on Network Themes</a>') . '</p>' .
 222      '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 223  );
 224  
 225  get_current_screen()->set_screen_reader_content( array(
 226      'heading_views'      => __( 'Filter themes list' ),
 227      'heading_pagination' => __( 'Themes list navigation' ),
 228      'heading_list'       => __( 'Themes list' ),
 229  ) );
 230  
 231  $title = __('Themes');
 232  $parent_file = 'themes.php';
 233  
 234  wp_enqueue_script( 'theme-preview' );
 235  
 236  require_once (ABSPATH . 'wp-admin/admin-header.php');
 237  
 238  ?>
 239  
 240  <div class="wrap">
 241  <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 }
 242  if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
 243      /* translators: %s: search keywords */
 244      printf( '<span class="subtitle">' . __( 'Search results for &#8220;%s&#8221;' ) . '</span>', esc_html( $s ) );
 245  }
 246  ?>
 247  </h1>
 248  
 249  <?php
 250  if ( isset( $_GET['enabled'] ) ) {
 251      $enabled = absint( $_GET['enabled'] );
 252      if ( 1 == $enabled ) {
 253          $message = __( 'Theme enabled.' );
 254      } else {
 255          $message = _n( '%s theme enabled.', '%s themes enabled.', $enabled );
 256      }
 257      echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $enabled ) ) . '</p></div>';
 258  } elseif ( isset( $_GET['disabled'] ) ) {
 259      $disabled = absint( $_GET['disabled'] );
 260      if ( 1 == $disabled ) {
 261          $message = __( 'Theme disabled.' );
 262      } else {
 263          $message = _n( '%s theme disabled.', '%s themes disabled.', $disabled );
 264      }
 265      echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $disabled ) ) . '</p></div>';
 266  } elseif ( isset( $_GET['deleted'] ) ) {
 267      $deleted = absint( $_GET['deleted'] );
 268      if ( 1 == $deleted ) {
 269          $message = __( 'Theme deleted.' );
 270      } else {
 271          $message = _n( '%s theme deleted.', '%s themes deleted.', $deleted );
 272      }
 273      echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $deleted ) ) . '</p></div>';
 274  } elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {
 275      echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'No theme selected.' ) . '</p></div>';
 276  } elseif ( isset( $_GET['error'] ) && 'main' == $_GET['error'] ) {
 277      echo '<div class="error notice is-dismissible"><p>' . __( 'You cannot delete a theme while it is active on the main site.' ) . '</p></div>';
 278  }
 279  
 280  ?>
 281  
 282  <form method="get">
 283  <?php $wp_list_table->search_box( __( 'Search Installed Themes' ), 'theme' ); ?>
 284  </form>
 285  
 286  <?php
 287  $wp_list_table->views();
 288  
 289  if ( 'broken' == $status )
 290      echo '<p class="clear">' . __('The following themes are installed but incomplete. Themes must have a stylesheet and a template.') . '</p>';
 291  ?>
 292  
 293  <form method="post">
 294  <input type="hidden" name="theme_status" value="<?php echo esc_attr($status) ?>" />
 295  <input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
 296  
 297  <?php $wp_list_table->display(); ?>
 298  </form>
 299  
 300  </div>
 301  
 302  <?php
 303  include (ABSPATH . 'wp-admin/admin-footer.php');


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