wp-admin/includes/class-wp-themes-list-table.php

   1 <?php
   2 /**
   3  * Themes List Table class.
   4  *
   5  * @package WordPress
   6  * @subpackage List_Table
   7  * @since 3.1.0
   8  * @access private
   9  */
  10 class WP_Themes_List_Table extends WP_List_Table {
  11
  12         protected $search_terms = array();
  13         var $features = array();
  14
  15         function __construct() {
  16                 parent::__construct( array(
  17                         'ajax' => true,
  18                 ) );
  19         }
  20
  21         function ajax_user_can() {
  22                 // Do not check edit_theme_options here. AJAX calls for available themes require switch_themes.
  23                 return current_user_can( 'switch_themes' );
  24         }
  25
  26         function prepare_items() {
  27                 $themes = wp_get_themes( array( 'allowed' => true ) );
  28
  29                 if ( ! empty( $_REQUEST['s'] ) )
  30                         $this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( stripslashes( $_REQUEST['s'] ) ) ) ) ) );
  31
  32                 if ( ! empty( $_REQUEST['features'] ) )
  33                         $this->features = $_REQUEST['features'];
  34
  35                 if ( $this->search_terms || $this->features ) {
  36                         foreach ( $themes as $key => $theme ) {
  37                                 if ( ! $this->search_theme( $theme ) )
  38                                         unset( $themes[ $key ] );
  39                         }
  40                 }
  41
  42                 unset( $themes[ get_option( 'stylesheet' ) ] );
  43                 WP_Theme::sort_by_name( $themes );
  44
  45                 $per_page = 999;
  46                 $page = $this->get_pagenum();
  47
  48                 $start = ( $page - 1 ) * $per_page;
  49
  50                 $this->items = array_slice( $themes, $start, $per_page, true );
  51
  52                 $this->set_pagination_args( array(
  53                         'total_items' => count( $themes ),
  54                         'per_page' => $per_page,
  55                         'infinite_scroll' => true,
  56                 ) );
  57         }
  58
  59         function no_items() {
  60                 if ( $this->search_terms || $this->features ) {
  61                         _e( 'No items found.' );
  62                         return;
  63                 }
  64
  65                 if ( is_multisite() ) {
  66                         if ( current_user_can( 'install_themes' ) && current_user_can( 'manage_network_themes' ) ) {
  67                                 printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> or <a href="%2$s">install</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $GLOBALS['blog_id'] ), network_admin_url( 'theme-install.php' ) );
  68
  69                                 return;
  70                         } elseif ( current_user_can( 'manage_network_themes' ) ) {
  71                                 printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $GLOBALS['blog_id'] ) );
  72
  73                                 return;
  74                         }
  75                         // else, fallthrough. install_themes doesn't help if you can't enable it.
  76                 } else {
  77                         if ( current_user_can( 'install_themes' ) ) {
  78                                 printf( __( 'You only have one theme installed right now. Live a little! You can choose from over 1,000 free themes in the WordPress.org Theme Directory at any time: just click on the <a href="%s">Install Themes</a> tab above.' ), admin_url( 'theme-install.php' ) );
  79
  80                                 return;
  81                         }
  82                 }
  83                 // Fallthrough.
  84                 printf( __( 'Only the current theme is available to you. Contact the %s administrator for information about accessing additional themes.' ), get_site_option( 'site_name' ) );
  85         }
  86
  87         function tablenav( $which = 'top' ) {
  88                 if ( $this->get_pagination_arg( 'total_pages' ) <= 1 )
  89                         return;
  90                 ?>
  91                 <div class="tablenav themes <?php echo $which; ?>">
  92                         <?php $this->pagination( $which ); ?>
  93                    <img src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" class="ajax-loading list-ajax-loading" alt="" />
  94                   <br class="clear" />
  95                 </div>
  96                 <?php
  97         }
  98
  99         function display() {
 100                 wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
 101 ?>
 102                 <?php $this->tablenav( 'top' ); ?>
 103
 104                 <div id="availablethemes">
 105                         <?php $this->display_rows_or_placeholder(); ?>
 106                 </div>
 107
 108                 <?php $this->tablenav( 'bottom' ); ?>
 109 <?php
 110         }
 111
 112         function get_columns() {
 113                 return array();
 114         }
 115
 116         function display_rows() {
 117                 $themes = $this->items;
 118
 119                 foreach ( $themes as $theme ):
 120                         ?><div class="available-theme"><?php
 121
 122                         $template   = $theme->get_template();
 123                         $stylesheet = $theme->get_stylesheet();
 124                         $title      = $theme->display('Name');
 125                         $version    = $theme->display('Version');
 126                         $author     = $theme->display('Author');
 127
 128                         $activate_link = wp_nonce_url( "themes.php?action=activate&amp;template=" . urlencode( $template ) . "&amp;stylesheet=" . urlencode( $stylesheet ), 'switch-theme_' . $stylesheet );
 129
 130                         $preview_link = esc_url( add_query_arg(
 131                                 array( 'preview' => 1, 'template' => urlencode( $template ), 'stylesheet' => urlencode( $stylesheet ), 'preview_iframe' => true, 'TB_iframe' => 'true' ),
 132                                 home_url( '/' ) ) );
 133
 134                         $actions = array();
 135                         $actions['activate'] = '<a href="' . $activate_link . '" class="activatelink" title="'
 136                                 . esc_attr( sprintf( __( 'Activate &#8220;%s&#8221;' ), $title ) ) . '">' . __( 'Activate' ) . '</a>';
 137
 138                         $actions['preview'] = '<a href="' . $preview_link . '" class="hide-if-customize" title="'
 139                                 . esc_attr( sprintf( __( 'Preview &#8220;%s&#8221;' ), $title ) ) . '">' . __( 'Preview' ) . '</a>';
 140
 141                         if ( current_user_can( 'edit_theme_options' ) )
 142                                 $actions['preview'] .= '<a href="' . wp_customize_url( $stylesheet ) . '" class="load-customize hide-if-no-customize">'
 143                                         . __( 'Live Preview' ) . '</a>';
 144
 145                         if ( ! is_multisite() && current_user_can( 'delete_themes' ) )
 146                                 $actions['delete'] = '<a class="submitdelete deletion" href="' . wp_nonce_url( "themes.php?action=delete&amp;stylesheet=$stylesheet", 'delete-theme_' . $stylesheet )
 147                                         . '" onclick="' . "return confirm( '" . esc_js( sprintf( __( "You are about to delete this theme '%s'\n  'Cancel' to stop, 'OK' to delete." ), $title ) )
 148                                         . "' );" . '">' . __( 'Delete' ) . '</a>';
 149
 150                         $actions       = apply_filters( 'theme_action_links', $actions, $theme );
 151                         $delete_action = isset( $actions['delete'] ) ? '<div class="delete-theme">' . $actions['delete'] . '</div>' : '';
 152                         unset( $actions['delete'] );
 153
 154                         ?>
 155
 156                         <a href="<?php echo $preview_link; ?>" class="screenshot hide-if-customize">
 157                                 <?php if ( $screenshot = $theme->get_screenshot() ) : ?>
 158                                         <img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
 159                                 <?php endif; ?>
 160                         </a>
 161                         <a href="<?php echo wp_customize_url( $stylesheet ); ?>" class="screenshot load-customize hide-if-no-customize">
 162                                 <?php if ( $screenshot = $theme->get_screenshot() ) : ?>
 163                                         <img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
 164                                 <?php endif; ?>
 165                         </a>
 166
 167                         <h3><?php echo $title; ?></h3>
 168                         <div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
 169                         <div class="action-links">
 170                                 <ul>
 171                                         <?php foreach ( $actions as $action ): ?>
 172                                                 <li><?php echo $action; ?></li>
 173                                         <?php endforeach; ?>
 174                                         <li class="hide-if-no-js"><a href="#" class="theme-detail" tabindex='4'><?php _e('Details') ?></a></li>
 175                                 </ul>
 176                                 <?php echo $delete_action; ?>
 177
 178                                 <?php theme_update_available( $theme ); ?>
 179                         </div>
 180
 181                         <div class="themedetaildiv hide-if-js">
 182                                 <p><strong><?php _e('Version: '); ?></strong><?php echo $version; ?></p>
 183                                 <p><?php echo $theme->display('Description'); ?></p>
 184                                 <?php if ( current_user_can( 'edit_themes' ) && $theme->parent() ) :
 185                                         /* translators: 1: theme title, 2:  template dir, 3: stylesheet_dir, 4: theme title, 5: parent_theme */ ?>
 186                                         <p><?php printf( __( 'The template files are located in <code>%2$s</code>. The stylesheet files are located in <code>%3$s</code>. <strong>%4$s</strong> uses templates from <strong>%5$s</strong>. Changes made to the templates will affect both themes.' ),
 187                                                 $title, str_replace( WP_CONTENT_DIR, '', $theme->get_template_directory() ), str_replace( WP_CONTENT_DIR, '', $theme->get_stylesheet_directory() ), $title, $theme->parent()->display('Name') ); ?></p>
 188                                 <?php else :
 189                                                 /* translators: 1: theme title, 2:  template dir, 3: stylesheet_dir */ ?>
 190                                         <p><?php printf( __( 'All of this theme&#8217;s files are located in <code>%2$s</code>.' ),
 191                                                 $title, str_replace( WP_CONTENT_DIR, '', $theme->get_template_directory() ), str_replace( WP_CONTENT_DIR, '', $theme->get_stylesheet_directory() ) ); ?></p>
 192                                 <?php endif; ?>
 193                         </div>
 194
 195                         </div>
 196                 <?php
 197                 endforeach;
 198         }
 199
 200         function search_theme( $theme ) {
 201                 // Search the features
 202                 foreach ( $this->features as $word ) {
 203                         if ( ! in_array( $word, $theme->get('Tags') ) )
 204                                 return false;
 205                 }
 206
 207                 // Match all phrases
 208                 foreach ( $this->search_terms as $word ) {
 209                         if ( in_array( $word, $theme->get('Tags') ) )
 210                                 continue;
 211
 212                         foreach ( array( 'Name', 'Description', 'Author', 'AuthorURI' ) as $header ) {
 213                                 // Don't mark up; Do translate.
 214                                 if ( false !== stripos( $theme->display( $header, false, true ), $word ) )
 215                                         continue 2;
 216                         }
 217
 218                         if ( false !== stripos( $theme->get_stylesheet(), $word ) )
 219                                 continue;
 220
 221                         if ( false !== stripos( $theme->get_template(), $word ) )
 222                                 continue;
 223
 224                         return false;
 225                 }
 226
 227                 return true;
 228         }
 229
 230         /**
 231          * Send required variables to JavaScript land
 232          *
 233          * @since 3.4
 234          * @access private
 235          *
 236          * @uses $this->features Array of all feature search terms.
 237          * @uses get_pagenum()
 238          * @uses _pagination_args['total_pages']
 239          */
 240          function _js_vars( $extra_args = array() ) {
 241                 $search_string = isset( $_REQUEST['s'] ) ? esc_attr( stripslashes( $_REQUEST['s'] ) ) : '';
 242
 243                 $args = array(
 244                         'search' => $search_string,
 245                         'features' => $this->features,
 246                         'paged' => $this->get_pagenum(),
 247                         'total_pages' => ! empty( $this->_pagination_args['total_pages'] ) ? $this->_pagination_args['total_pages'] : 1,
 248                 );
 249
 250                 if ( is_array( $extra_args ) )
 251                         $args = array_merge( $args, $extra_args );
 252
 253                 printf( "<script type='text/javascript'>var theme_list_args = %s;</script>\n", json_encode( $args ) );
 254                 parent::_js_vars();
 255         }
 256 }