wp-admin/includes/class-wp-theme-install-list-table.php

   1 <?php
   2 /**
   3  * Theme Installer List Table class.
   4  *
   5  * @package WordPress
   6  * @subpackage List_Table
   7  * @since 3.1.0
   8  * @access private
   9  */
  10 class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
  11
  12         var $features = array();
  13
  14         function ajax_user_can() {
  15                 return current_user_can( 'install_themes' );
  16         }
  17
  18         function prepare_items() {
  19                 include( ABSPATH . 'wp-admin/includes/theme-install.php' );
  20
  21                 global $tabs, $tab, $paged, $type, $theme_field_defaults;
  22                 wp_reset_vars( array( 'tab' ) );
  23
  24                 $search_terms = array();
  25                 $search_string = '';
  26                 if ( ! empty( $_REQUEST['s'] ) ){
  27                         $search_string = strtolower( wp_unslash( $_REQUEST['s'] ) );
  28                         $search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', $search_string ) ) ) );
  29                 }
  30
  31                 if ( ! empty( $_REQUEST['features'] ) )
  32                         $this->features = $_REQUEST['features'];
  33
  34                 $paged = $this->get_pagenum();
  35
  36                 $per_page = 36;
  37
  38                 // These are the tabs which are shown on the page,
  39                 $tabs = array();
  40                 $tabs['dashboard'] = __( 'Search' );
  41                 if ( 'search' == $tab )
  42                         $tabs['search'] = __( 'Search Results' );
  43                 $tabs['upload'] = __( 'Upload' );
  44                 $tabs['featured'] = _x( 'Featured','Theme Installer' );
  45                 //$tabs['popular']  = _x( 'Popular','Theme Installer' );
  46                 $tabs['new']      = _x( 'Newest','Theme Installer' );
  47                 $tabs['updated']  = _x( 'Recently Updated','Theme Installer' );
  48
  49                 $nonmenu_tabs = array( 'theme-information' ); // Valid actions to perform which do not have a Menu item.
  50
  51                 $tabs = apply_filters( 'install_themes_tabs', $tabs );
  52                 $nonmenu_tabs = apply_filters( 'install_themes_nonmenu_tabs', $nonmenu_tabs );
  53
  54                 // If a non-valid menu tab has been selected, And it's not a non-menu action.
  55                 if ( empty( $tab ) || ( ! isset( $tabs[ $tab ] ) && ! in_array( $tab, (array) $nonmenu_tabs ) ) )
  56                         $tab = key( $tabs );
  57
  58                 $args = array( 'page' => $paged, 'per_page' => $per_page, 'fields' => $theme_field_defaults );
  59
  60                 switch ( $tab ) {
  61                         case 'search':
  62                                 $type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';
  63                                 switch ( $type ) {
  64                                         case 'tag':
  65                                                 $args['tag'] = array_map( 'sanitize_key', $search_terms );
  66                                                 break;
  67                                         case 'term':
  68                                                 $args['search'] = $search_string;
  69                                                 break;
  70                                         case 'author':
  71                                                 $args['author'] = $search_string;
  72                                                 break;
  73                                 }
  74
  75                                 if ( ! empty( $this->features ) ) {
  76                                         $args['tag'] = $this->features;
  77                                         $_REQUEST['s'] = implode( ',', $this->features );
  78                                         $_REQUEST['type'] = 'tag';
  79                                 }
  80
  81                                 add_action( 'install_themes_table_header', 'install_theme_search_form', 10, 0 );
  82                                 break;
  83
  84                         case 'featured':
  85                         //case 'popular':
  86                         case 'new':
  87                         case 'updated':
  88                                 $args['browse'] = $tab;
  89                                 break;
  90
  91                         default:
  92                                 $args = false;
  93                                 break;
  94                 }
  95
  96                 $args = apply_filters( 'install_themes_table_api_args_' . $tab, $args );
  97
  98                 if ( ! $args )
  99                         return;
 100
 101                 $api = themes_api( 'query_themes', $args );
 102
 103                 if ( is_wp_error( $api ) )
 104                         wp_die( $api->get_error_message() . '</p> <p><a href="#" onclick="document.location.reload(); return false;">' . __( 'Try again' ) . '</a>' );
 105
 106                 $this->items = $api->themes;
 107
 108                 $this->set_pagination_args( array(
 109                         'total_items' => $api->info['results'],
 110                         'per_page' => $per_page,
 111                         'infinite_scroll' => true,
 112                 ) );
 113         }
 114
 115         function no_items() {
 116                 _e( 'No themes match your request.' );
 117         }
 118
 119         function get_views() {
 120                 global $tabs, $tab;
 121
 122                 $display_tabs = array();
 123                 foreach ( (array) $tabs as $action => $text ) {
 124                         $class = ( $action == $tab ) ? ' class="current"' : '';
 125                         $href = self_admin_url('theme-install.php?tab=' . $action);
 126                         $display_tabs['theme-install-'.$action] = "<a href='$href'$class>$text</a>";
 127                 }
 128
 129                 return $display_tabs;
 130         }
 131
 132         function display() {
 133                 wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
 134 ?>
 135                 <div class="tablenav top themes">
 136                         <div class="alignleft actions">
 137                                 <?php do_action( 'install_themes_table_header' ); ?>
 138                         </div>
 139                         <?php $this->pagination( 'top' ); ?>
 140                         <br class="clear" />
 141                 </div>
 142
 143                 <div id="availablethemes">
 144                         <?php $this->display_rows_or_placeholder(); ?>
 145                 </div>
 146
 147                 <?php
 148                 parent::tablenav( 'bottom' );
 149         }
 150
 151         function display_rows() {
 152                 $themes = $this->items;
 153                 foreach ( $themes as $theme ) {
 154                                 ?>
 155                                 <div class="available-theme installable-theme"><?php
 156                                         $this->single_row( $theme );
 157                                 ?></div>
 158                 <?php } // end foreach $theme_names
 159
 160                 $this->theme_installer();
 161         }
 162
 163         /**
 164          * Prints a theme from the WordPress.org API.
 165          *
 166          * @param object $theme An object that contains theme data returned by the WordPress.org API.
 167          *
 168          * Example theme data:
 169          *   object(stdClass)[59]
 170          *     public 'name' => string 'Magazine Basic'
 171          *     public 'slug' => string 'magazine-basic'
 172          *     public 'version' => string '1.1'
 173          *     public 'author' => string 'tinkerpriest'
 174          *     public 'preview_url' => string 'http://wp-themes.com/?magazine-basic'
 175          *     public 'screenshot_url' => string 'http://wp-themes.com/wp-content/themes/magazine-basic/screenshot.png'
 176          *     public 'rating' => float 80
 177          *     public 'num_ratings' => int 1
 178          *     public 'homepage' => string 'http://wordpress.org/themes/magazine-basic'
 179          *     public 'description' => string 'A basic magazine style layout with a fully customizable layout through a backend interface. Designed by <a href="http://bavotasan.com">c.bavota</a> of <a href="http://tinkerpriestmedia.com">Tinker Priest Media</a>.'
 180          *     public 'download_link' => string 'http://wordpress.org/themes/download/magazine-basic.1.1.zip'
 181          */
 182         function single_row( $theme ) {
 183                 global $themes_allowedtags;
 184
 185                 if ( empty( $theme ) )
 186                         return;
 187
 188                 $name   = wp_kses( $theme->name,   $themes_allowedtags );
 189                 $author = wp_kses( $theme->author, $themes_allowedtags );
 190
 191                 $preview_title = sprintf( __('Preview &#8220;%s&#8221;'), $name );
 192                 $preview_url   = add_query_arg( array(
 193                         'tab'   => 'theme-information',
 194                         'theme' => $theme->slug,
 195                 ) );
 196
 197                 $actions = array();
 198
 199                 $install_url = add_query_arg( array(
 200                         'action' => 'install-theme',
 201                         'theme'  => $theme->slug,
 202                 ), self_admin_url( 'update.php' ) );
 203
 204                 $update_url = add_query_arg( array(
 205                         'action' => 'upgrade-theme',
 206                         'theme'  => $theme->slug,
 207                 ), self_admin_url( 'update.php' ) );
 208
 209                 $status = $this->_get_theme_status( $theme );
 210
 211                 switch ( $status ) {
 212                         default:
 213                         case 'install':
 214                                 $actions[] = '<a class="install-now" href="' . esc_url( wp_nonce_url( $install_url, 'install-theme_' . $theme->slug ) ) . '" title="' . esc_attr( sprintf( __( 'Install %s' ), $name ) ) . '">' . __( 'Install Now' ) . '</a>';
 215                                 break;
 216                         case 'update_available':
 217                                 $actions[] = '<a class="install-now" href="' . esc_url( wp_nonce_url( $update_url, 'upgrade-theme_' . $theme->slug ) ) . '" title="' . esc_attr( sprintf( __( 'Update to version %s' ), $theme->version ) ) . '">' . __( 'Update' ) . '</a>';
 218                                 break;
 219                         case 'newer_installed':
 220                         case 'latest_installed':
 221                                 $actions[] = '<span class="install-now" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
 222                                 break;
 223                 }
 224
 225                 $actions[] = '<a class="install-theme-preview" href="' . esc_url( $preview_url ) . '" title="' . esc_attr( sprintf( __( 'Preview %s' ), $name ) ) . '">' . __( 'Preview' ) . '</a>';
 226
 227                 $actions = apply_filters( 'theme_install_actions', $actions, $theme );
 228
 229                 ?>
 230                 <a class="screenshot install-theme-preview" href="<?php echo esc_url( $preview_url ); ?>" title="<?php echo esc_attr( $preview_title ); ?>">
 231                         <img src='<?php echo esc_url( $theme->screenshot_url ); ?>' width='150' />
 232                 </a>
 233
 234                 <h3><?php echo $name; ?></h3>
 235                 <div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
 236
 237                 <div class="action-links">
 238                         <ul>
 239                                 <?php foreach ( $actions as $action ): ?>
 240                                         <li><?php echo $action; ?></li>
 241                                 <?php endforeach; ?>
 242                                 <li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
 243                         </ul>
 244                 </div>
 245
 246                 <?php
 247                 $this->install_theme_info( $theme );
 248         }
 249
 250         /**
 251          * Prints the wrapper for the theme installer.
 252          */
 253         function theme_installer() {
 254                 ?>
 255                 <div id="theme-installer" class="wp-full-overlay expanded">
 256                         <div class="wp-full-overlay-sidebar">
 257                                 <div class="wp-full-overlay-header">
 258                                         <a href="#" class="close-full-overlay button-secondary"><?php _e( 'Close' ); ?></a>
 259                                         <span class="theme-install"></span>
 260                                 </div>
 261                                 <div class="wp-full-overlay-sidebar-content">
 262                                         <div class="install-theme-info"></div>
 263                                 </div>
 264                                 <div class="wp-full-overlay-footer">
 265                                         <a href="#" class="collapse-sidebar" title="<?php esc_attr_e('Collapse Sidebar'); ?>">
 266                                                 <span class="collapse-sidebar-label"><?php _e('Collapse'); ?></span>
 267                                                 <span class="collapse-sidebar-arrow"></span>
 268                                         </a>
 269                                 </div>
 270                         </div>
 271                         <div class="wp-full-overlay-main"></div>
 272                 </div>
 273                 <?php
 274         }
 275
 276         /**
 277          * Prints the wrapper for the theme installer with a provided theme's data.
 278          * Used to make the theme installer work for no-js.
 279          *
 280          * @param object $theme - A WordPress.org Theme API object.
 281          */
 282         function theme_installer_single( $theme ) {
 283                 ?>
 284                 <div id="theme-installer" class="wp-full-overlay single-theme">
 285                         <div class="wp-full-overlay-sidebar">
 286                                 <?php $this->install_theme_info( $theme ); ?>
 287                         </div>
 288                         <div class="wp-full-overlay-main">
 289                                 <iframe src="<?php echo esc_url( $theme->preview_url ); ?>"></iframe>
 290                         </div>
 291                 </div>
 292                 <?php
 293         }
 294
 295         /**
 296          * Prints the info for a theme (to be used in the theme installer modal).
 297          *
 298          * @param object $theme - A WordPress.org Theme API object.
 299          */
 300         function install_theme_info( $theme ) {
 301                 global $themes_allowedtags;
 302
 303                 if ( empty( $theme ) )
 304                         return;
 305
 306                 $name   = wp_kses( $theme->name,   $themes_allowedtags );
 307                 $author = wp_kses( $theme->author, $themes_allowedtags );
 308
 309                 $num_ratings = sprintf( _n( '(based on %s rating)', '(based on %s ratings)', $theme->num_ratings ), number_format_i18n( $theme->num_ratings ) );
 310
 311                 $install_url = add_query_arg( array(
 312                         'action' => 'install-theme',
 313                         'theme'  => $theme->slug,
 314                 ), self_admin_url( 'update.php' ) );
 315
 316                 $update_url = add_query_arg( array(
 317                         'action' => 'upgrade-theme',
 318                         'theme'  => $theme->slug,
 319                 ), self_admin_url( 'update.php' ) );
 320
 321                 $status = $this->_get_theme_status( $theme );
 322
 323                 ?>
 324                 <div class="install-theme-info"><?php
 325                         switch ( $status ) {
 326                                 default:
 327                                 case 'install':
 328                                         echo '<a class="theme-install button-primary" href="' . esc_url( wp_nonce_url( $install_url, 'install-theme_' . $theme->slug ) ) . '">' . __( 'Install' ) . '</a>';
 329                                         break;
 330                                 case 'update_available':
 331                                         echo '<a class="theme-install button-primary" href="' . esc_url( wp_nonce_url( $update_url, 'upgrade-theme_' . $theme->slug ) ) . '" title="' . esc_attr( sprintf( __( 'Update to version %s' ), $theme->version ) ) . '">' . __( 'Update' ) . '</a>';
 332                                         break;
 333                                 case 'newer_installed':
 334                                 case 'latest_installed':
 335                                         echo '<span class="theme-install" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
 336                                         break;
 337                         } ?>
 338                         <h3 class="theme-name"><?php echo $name; ?></h3>
 339                         <span class="theme-by"><?php printf( __( 'By %s' ), $author ); ?></span>
 340                         <?php if ( isset( $theme->screenshot_url ) ): ?>
 341                                 <img class="theme-screenshot" src="<?php echo esc_url( $theme->screenshot_url ); ?>" />
 342                         <?php endif; ?>
 343                         <div class="theme-details">
 344                                 <?php wp_star_rating( array( 'rating' => $theme->rating, 'type' => 'percent', 'number' => $theme->num_ratings ) ); ?>
 345                                 <div class="theme-version">
 346                                         <strong><?php _e('Version:') ?> </strong>
 347                                         <?php echo wp_kses( $theme->version, $themes_allowedtags ); ?>
 348                                 </div>
 349                                 <div class="theme-description">
 350                                         <?php echo wp_kses( $theme->description, $themes_allowedtags ); ?>
 351                                 </div>
 352                         </div>
 353                         <input class="theme-preview-url" type="hidden" value="<?php echo esc_url( $theme->preview_url ); ?>" />
 354                 </div>
 355                 <?php
 356         }
 357
 358         /**
 359          * Send required variables to JavaScript land
 360          *
 361          * @since 3.4
 362          * @access private
 363          *
 364          * @uses $tab Global; current tab within Themes->Install screen
 365          * @uses $type Global; type of search.
 366          */
 367         function _js_vars( $extra_args = array() ) {
 368                 global $tab, $type;
 369                 parent::_js_vars( compact( 'tab', 'type' ) );
 370         }
 371
 372         /**
 373          * Check to see if the theme is already installed.
 374          *
 375          * @since 3.4
 376          * @access private
 377          *
 378          * @param object $theme - A WordPress.org Theme API object.
 379          * @return string Theme status.
 380          */
 381         private function _get_theme_status( $theme ) {
 382                 $status = 'install';
 383
 384                 $installed_theme = wp_get_theme( $theme->slug );
 385                 if ( $installed_theme->exists() ) {
 386                         if ( version_compare( $installed_theme->get('Version'), $theme->version, '=' ) )
 387                                 $status = 'latest_installed';
 388                         elseif ( version_compare( $installed_theme->get('Version'), $theme->version, '>' ) )
 389                                 $status = 'newer_installed';
 390                         else
 391                                 $status = 'update_available';
 392                 }
 393
 394                 return $status;
 395         }
 396 }