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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 '<h2>' . esc_html( $title ) . '</h2>';
  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                  ?>
 150              <div class="wrap">
 151                  <?php
 152                      $themes_to_delete = count( $themes );
 153                      echo '<h2>' . _n( 'Delete Theme', 'Delete Themes', $themes_to_delete ) . '</h2>';
 154                  ?>
 155                  <div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php echo _n( 'This theme may be active on other sites in the network.', 'These themes may be active on other sites in the network.', $themes_to_delete ); ?></p></div>
 156                  <p><?php echo _n( 'You are about to remove the following theme:', 'You are about to remove the following themes:', $themes_to_delete ); ?></p>
 157                      <ul class="ul-disc">
 158                      <?php
 159                          foreach ( $theme_info as $theme ) {
 160                              /* translators: 1: theme name, 2: theme author */
 161                              echo '<li>', sprintf( __('<strong>%1$s</strong> by <em>%2$s</em>' ), $theme->display('Name'), $theme->display('Author') ), '</li>';
 162                          }
 163                      ?>
 164                      </ul>
 165                  <p><?php _e('Are you sure you wish to delete these themes?'); ?></p>
 166                  <form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
 167                      <input type="hidden" name="verify-delete" value="1" />
 168                      <input type="hidden" name="action" value="delete-selected" />
 169                      <?php
 170                          foreach ( (array) $themes as $theme ) {
 171                              echo '<input type="hidden" name="checked[]" value="' . esc_attr($theme) . '" />';
 172                          }
 173                      ?>
 174                      <?php wp_nonce_field('bulk-themes') ?>
 175                      <?php submit_button( _n( 'Yes, Delete this theme', 'Yes, Delete these themes', $themes_to_delete ), 'button', 'submit', false ); ?>
 176                  </form>
 177                  <form method="post" action="<?php echo esc_url(wp_get_referer()); ?>" style="display:inline;">
 178                      <?php submit_button( __( 'No, Return me to the theme list' ), 'button', 'submit', false ); ?>
 179                  </form>
 180  
 181                  <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>
 182                  <div id="files-list" style="display:none;">
 183                      <ul class="code">
 184                      <?php
 185                          foreach ( (array) $files_to_delete as $file ) {
 186                              echo '<li>' . esc_html( str_replace( WP_CONTENT_DIR . '/themes', '', $file ) ) . '</li>';
 187                          }
 188                      ?>
 189                      </ul>
 190                  </div>
 191              </div>
 192                  <?php
 193                  require_once (ABSPATH . 'wp-admin/admin-footer.php');
 194                  exit;
 195              } // Endif verify-delete
 196  
 197              foreach ( $themes as $theme ) {
 198                  $delete_result = delete_theme( $theme, esc_url( add_query_arg( array(
 199                      'verify-delete' => 1,
 200                      'action' => 'delete-selected',
 201                      'checked' => $_REQUEST['checked'],
 202                      '_wpnonce' => $_REQUEST['_wpnonce']
 203                  ), network_admin_url( 'themes.php' ) ) ) );
 204              }
 205  
 206              $paged = ( $_REQUEST['paged'] ) ? $_REQUEST['paged'] : 1;
 207              wp_redirect( add_query_arg( array(
 208                  'deleted' => count( $themes ),
 209                  'paged' => $paged,
 210                  's' => $s
 211              ), network_admin_url( 'themes.php' ) ) );
 212              exit;
 213      }
 214  }
 215  
 216  $wp_list_table->prepare_items();
 217  
 218  add_thickbox();
 219  
 220  add_screen_option( 'per_page', array('label' => _x( 'Themes', 'themes per page (screen options)' )) );
 221  
 222  get_current_screen()->add_help_tab( array(
 223      'id'      => 'overview',
 224      'title'   => __('Overview'),
 225      'content' =>
 226          '<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>' .
 227          '<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>' .
 228          '<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>'
 229  ) );
 230  
 231  get_current_screen()->set_help_sidebar(
 232      '<p><strong>' . __('For more information:') . '</strong></p>' .
 233      '<p>' . __('<a href="http://codex.wordpress.org/Network_Admin_Themes_Screen" target="_blank">Documentation on Network Themes</a>') . '</p>' .
 234      '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 235  );
 236  
 237  $title = __('Themes');
 238  $parent_file = 'themes.php';
 239  
 240  wp_enqueue_script( 'theme-preview' );
 241  
 242  require_once (ABSPATH . 'wp-admin/admin-header.php');
 243  
 244  ?>
 245  
 246  <div class="wrap">
 247  <h2><?php echo esc_html( $title ); if ( current_user_can('install_themes') ) { ?> <a href="theme-install.php" class="add-new-h2"><?php echo esc_html_x('Add New', 'theme'); ?></a><?php }
 248  if ( $s )
 249      printf( '<span class="subtitle">' . __('Search results for &#8220;%s&#8221;') . '</span>', esc_html( $s ) ); ?>
 250  </h2>
 251  
 252  <?php
 253  if ( isset( $_GET['enabled'] ) ) {
 254      $_GET['enabled'] = absint( $_GET['enabled'] );
 255      echo '<div id="message" class="updated"><p>' . sprintf( _n( 'Theme enabled.', '%s themes enabled.', $_GET['enabled'] ), number_format_i18n( $_GET['enabled'] ) ) . '</p></div>';
 256  } elseif ( isset( $_GET['disabled'] ) ) {
 257      $_GET['disabled'] = absint( $_GET['disabled'] );
 258      echo '<div id="message" class="updated"><p>' . sprintf( _n( 'Theme disabled.', '%s themes disabled.', $_GET['disabled'] ), number_format_i18n( $_GET['disabled'] ) ) . '</p></div>';
 259  } elseif ( isset( $_GET['deleted'] ) ) {
 260      $_GET['deleted'] = absint( $_GET['deleted'] );
 261      echo '<div id="message" class="updated"><p>' . sprintf( _nx( 'Theme deleted.', '%s themes deleted.', $_GET['deleted'], 'network' ), number_format_i18n( $_GET['deleted'] ) ) . '</p></div>';
 262  } elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {
 263      echo '<div id="message" class="error"><p>' . __( 'No theme selected.' ) . '</p></div>';
 264  } elseif ( isset( $_GET['error'] ) && 'main' == $_GET['error'] ) {
 265      echo '<div class="error"><p>' . __( 'You cannot delete a theme while it is active on the main site.' ) . '</p></div>';
 266  }
 267  
 268  ?>
 269  
 270  <form method="get" action="">
 271  <?php $wp_list_table->search_box( __( 'Search Installed Themes' ), 'theme' ); ?>
 272  </form>
 273  
 274  <?php
 275  $wp_list_table->views();
 276  
 277  if ( 'broken' == $status )
 278      echo '<p class="clear">' . __('The following themes are installed but incomplete. Themes must have a stylesheet and a template.') . '</p>';
 279  ?>
 280  
 281  <form method="post" action="">
 282  <input type="hidden" name="theme_status" value="<?php echo esc_attr($status) ?>" />
 283  <input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
 284  
 285  <?php $wp_list_table->display(); ?>
 286  </form>
 287  
 288  </div>
 289  
 290  <?php
 291  include (ABSPATH . 'wp-admin/admin-footer.php');


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