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         public $features = array();
  13
  14         public function ajax_user_can() {
  15                 return current_user_can( 'install_themes' );
  16         }
  17
  18         public 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                 $tabs['featured'] = _x( 'Featured', 'themes' );
  45                 //$tabs['popular']  = _x( 'Popular', 'themes' );
  46                 $tabs['new']      = _x( 'Latest', 'themes' );
  47                 $tabs['updated']  = _x( 'Recently Updated', 'themes' );
  48
  49                 $nonmenu_tabs = array( 'theme-information' ); // Valid actions to perform which do not have a Menu item.
  50
  51                 /** This filter is documented in wp-admin/theme-install.php */
  52                 $tabs = apply_filters( 'install_themes_tabs', $tabs );
  53
  54                 /**
  55                  * Filter tabs not associated with a menu item on the Install Themes screen.
  56                  *
  57                  * @since 2.8.0
  58                  *
  59                  * @param array $nonmenu_tabs The tabs that don't have a menu item on
  60                  *                            the Install Themes screen.
  61                  */
  62                 $nonmenu_tabs = apply_filters( 'install_themes_nonmenu_tabs', $nonmenu_tabs );
  63
  64                 // If a non-valid menu tab has been selected, And it's not a non-menu action.
  65                 if ( empty( $tab ) || ( ! isset( $tabs[ $tab ] ) && ! in_array( $tab, (array) $nonmenu_tabs ) ) )
  66                         $tab = key( $tabs );
  67
  68                 $args = array( 'page' => $paged, 'per_page' => $per_page, 'fields' => $theme_field_defaults );
  69
  70                 switch ( $tab ) {
  71                         case 'search':
  72                                 $type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';
  73                                 switch ( $type ) {
  74                                         case 'tag':
  75                                                 $args['tag'] = array_map( 'sanitize_key', $search_terms );
  76                                                 break;
  77                                         case 'term':
  78                                                 $args['search'] = $search_string;
  79                                                 break;
  80                                         case 'author':
  81                                                 $args['author'] = $search_string;
  82                                                 break;
  83                                 }
  84
  85                                 if ( ! empty( $this->features ) ) {
  86                                         $args['tag'] = $this->features;
  87                                         $_REQUEST['s'] = implode( ',', $this->features );
  88                                         $_REQUEST['type'] = 'tag';
  89                                 }
  90
  91                                 add_action( 'install_themes_table_header', 'install_theme_search_form', 10, 0 );
  92                                 break;
  93
  94                         case 'featured':
  95                         // case 'popular':
  96                         case 'new':
  97                         case 'updated':
  98                                 $args['browse'] = $tab;
  99                                 break;
 100
 101                         default:
 102                                 $args = false;
 103                                 break;
 104                 }
 105
 106                 /**
 107                  * Filter API request arguments for each Install Themes screen tab.
 108                  *
 109                  * The dynamic portion of the hook name, `$tab`, refers to the theme install
 110                  * tabs. Default tabs are 'dashboard', 'search', 'upload', 'featured',
 111                  * 'new', and 'updated'.
 112                  *
 113                  * @since 3.7.0
 114                  *
 115                  * @param array $args An array of themes API arguments.
 116                  */
 117                 $args = apply_filters( 'install_themes_table_api_args_' . $tab, $args );
 118
 119                 if ( ! $args )
 120                         return;
 121
 122                 $api = themes_api( 'query_themes', $args );
 123
 124                 if ( is_wp_error( $api ) )
 125                         wp_die( $api->get_error_message() . '</p> <p><a href="#" onclick="document.location.reload(); return false;">' . __( 'Try again' ) . '</a>' );
 126
 127                 $this->items = $api->themes;
 128
 129                 $this->set_pagination_args( array(
 130                         'total_items' => $api->info['results'],
 131                         'per_page' => $args['per_page'],
 132                         'infinite_scroll' => true,
 133                 ) );
 134         }
 135
 136         public function no_items() {
 137                 _e( 'No themes match your request.' );
 138         }
 139
 140         protected function get_views() {
 141                 global $tabs, $tab;
 142
 143                 $display_tabs = array();
 144                 foreach ( (array) $tabs as $action => $text ) {
 145                         $class = ( $action == $tab ) ? ' class="current"' : '';
 146                         $href = self_admin_url('theme-install.php?tab=' . $action);
 147                         $display_tabs['theme-install-'.$action] = "<a href='$href'$class>$text</a>";
 148                 }
 149
 150                 return $display_tabs;
 151         }
 152
 153         public function display() {
 154                 wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
 155 ?>
 156                 <div class="tablenav top themes">
 157                         <div class="alignleft actions">
 158                                 <?php
 159                                 /**
 160                                  * Fires in the Install Themes list table header.
 161                                  *
 162                                  * @since 2.8.0
 163                                  */
 164                                 do_action( 'install_themes_table_header' );
 165                                 ?>
 166                         </div>
 167                         <?php $this->pagination( 'top' ); ?>
 168                         <br class="clear" />
 169                 </div>
 170
 171                 <div id="availablethemes">
 172                         <?php $this->display_rows_or_placeholder(); ?>
 173                 </div>
 174
 175                 <?php
 176                 parent::tablenav( 'bottom' );
 177         }
 178
 179         public function display_rows() {
 180                 $themes = $this->items;
 181                 foreach ( $themes as $theme ) {
 182                                 ?>
 183                                 <div class="available-theme installable-theme"><?php
 184                                         $this->single_row( $theme );
 185                                 ?></div>
 186                 <?php } // end foreach $theme_names
 187
 188                 $this->theme_installer();
 189         }
 190
 191         /**
 192          * Prints a theme from the WordPress.org API.
 193          *
 194          * @param object $theme An object that contains theme data returned by the WordPress.org API.
 195          *
 196          * Example theme data:
 197          *   object(stdClass)[59]
 198          *     public 'name' => string 'Magazine Basic'
 199          *     public 'slug' => string 'magazine-basic'
 200          *     public 'version' => string '1.1'
 201          *     public 'author' => string 'tinkerpriest'
 202          *     public 'preview_url' => string 'http://wp-themes.com/?magazine-basic'
 203          *     public 'screenshot_url' => string 'http://wp-themes.com/wp-content/themes/magazine-basic/screenshot.png'
 204          *     public 'rating' => float 80
 205          *     public 'num_ratings' => int 1
 206          *     public 'homepage' => string 'http://wordpress.org/themes/magazine-basic'
 207          *     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>.'
 208          *     public 'download_link' => string 'http://wordpress.org/themes/download/magazine-basic.1.1.zip'
 209          */
 210         public function single_row( $theme ) {
 211                 global $themes_allowedtags;
 212
 213                 if ( empty( $theme ) )
 214                         return;
 215
 216                 $name   = wp_kses( $theme->name,   $themes_allowedtags );
 217                 $author = wp_kses( $theme->author, $themes_allowedtags );
 218
 219                 $preview_title = sprintf( __('Preview &#8220;%s&#8221;'), $name );
 220                 $preview_url   = add_query_arg( array(
 221                         'tab'   => 'theme-information',
 222                         'theme' => $theme->slug,
 223                 ), self_admin_url( 'theme-install.php' ) );
 224
 225                 $actions = array();
 226
 227                 $install_url = add_query_arg( array(
 228                         'action' => 'install-theme',
 229                         'theme'  => $theme->slug,
 230                 ), self_admin_url( 'update.php' ) );
 231
 232                 $update_url = add_query_arg( array(
 233                         'action' => 'upgrade-theme',
 234                         'theme'  => $theme->slug,
 235                 ), self_admin_url( 'update.php' ) );
 236
 237                 $status = $this->_get_theme_status( $theme );
 238
 239                 switch ( $status ) {
 240                         case 'update_available':
 241                                 $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>';
 242                                 break;
 243                         case 'newer_installed':
 244                         case 'latest_installed':
 245                                 $actions[] = '<span class="install-now" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
 246                                 break;
 247                         case 'install':
 248                         default:
 249                                 $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>';
 250                                 break;
 251                 }
 252
 253                 $actions[] = '<a class="install-theme-preview" href="' . esc_url( $preview_url ) . '" title="' . esc_attr( sprintf( __( 'Preview %s' ), $name ) ) . '">' . __( 'Preview' ) . '</a>';
 254
 255                 /**
 256                  * Filter the install action links for a theme in the Install Themes list table.
 257                  *
 258                  * @since 3.4.0
 259                  *
 260                  * @param array    $actions An array of theme action hyperlinks. Defaults are
 261                  *                          links to Install Now, Preview, and Details.
 262                  * @param WP_Theme $theme   Theme object.
 263                  */
 264                 $actions = apply_filters( 'theme_install_actions', $actions, $theme );
 265
 266                 ?>
 267                 <a class="screenshot install-theme-preview" href="<?php echo esc_url( $preview_url ); ?>" title="<?php echo esc_attr( $preview_title ); ?>">
 268                         <img src="<?php echo esc_url( $theme->screenshot_url ); ?>" width="150" />
 269                 </a>
 270
 271                 <h3><?php echo $name; ?></h3>
 272                 <div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
 273
 274                 <div class="action-links">
 275                         <ul>
 276                                 <?php foreach ( $actions as $action ): ?>
 277                                         <li><?php echo $action; ?></li>
 278                                 <?php endforeach; ?>
 279                                 <li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
 280                         </ul>
 281                 </div>
 282
 283                 <?php
 284                 $this->install_theme_info( $theme );
 285         }
 286
 287         /**
 288          * Prints the wrapper for the theme installer.
 289          */
 290         public function theme_installer() {
 291                 ?>
 292                 <div id="theme-installer" class="wp-full-overlay expanded">
 293                         <div class="wp-full-overlay-sidebar">
 294                                 <div class="wp-full-overlay-header">
 295                                         <a href="#" class="close-full-overlay button-secondary"><?php _e( 'Close' ); ?></a>
 296                                         <span class="theme-install"></span>
 297                                 </div>
 298                                 <div class="wp-full-overlay-sidebar-content">
 299                                         <div class="install-theme-info"></div>
 300                                 </div>
 301                                 <div class="wp-full-overlay-footer">
 302                                         <a href="#" class="collapse-sidebar" title="<?php esc_attr_e('Collapse Sidebar'); ?>">
 303                                                 <span class="collapse-sidebar-label"><?php _e('Collapse'); ?></span>
 304                                                 <span class="collapse-sidebar-arrow"></span>
 305                                         </a>
 306                                 </div>
 307                         </div>
 308                         <div class="wp-full-overlay-main"></div>
 309                 </div>
 310                 <?php
 311         }
 312
 313         /**
 314          * Prints the wrapper for the theme installer with a provided theme's data.
 315          * Used to make the theme installer work for no-js.
 316          *
 317          * @param object $theme - A WordPress.org Theme API object.
 318          */
 319         public function theme_installer_single( $theme ) {
 320                 ?>
 321                 <div id="theme-installer" class="wp-full-overlay single-theme">
 322                         <div class="wp-full-overlay-sidebar">
 323                                 <?php $this->install_theme_info( $theme ); ?>
 324                         </div>
 325                         <div class="wp-full-overlay-main">
 326                                 <iframe src="<?php echo esc_url( $theme->preview_url ); ?>"></iframe>
 327                         </div>
 328                 </div>
 329                 <?php
 330         }
 331
 332         /**
 333          * Prints the info for a theme (to be used in the theme installer modal).
 334          *
 335          * @param object $theme - A WordPress.org Theme API object.
 336          */
 337         public function install_theme_info( $theme ) {
 338                 global $themes_allowedtags;
 339
 340                 if ( empty( $theme ) )
 341                         return;
 342
 343                 $name   = wp_kses( $theme->name,   $themes_allowedtags );
 344                 $author = wp_kses( $theme->author, $themes_allowedtags );
 345
 346                 $install_url = add_query_arg( array(
 347                         'action' => 'install-theme',
 348                         'theme'  => $theme->slug,
 349                 ), self_admin_url( 'update.php' ) );
 350
 351                 $update_url = add_query_arg( array(
 352                         'action' => 'upgrade-theme',
 353                         'theme'  => $theme->slug,
 354                 ), self_admin_url( 'update.php' ) );
 355
 356                 $status = $this->_get_theme_status( $theme );
 357
 358                 ?>
 359                 <div class="install-theme-info"><?php
 360                         switch ( $status ) {
 361                                 case 'update_available':
 362                                         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>';
 363                                         break;
 364                                 case 'newer_installed':
 365                                 case 'latest_installed':
 366                                         echo '<span class="theme-install" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
 367                                         break;
 368                                 case 'install':
 369                                 default:
 370                                         echo '<a class="theme-install button-primary" href="' . esc_url( wp_nonce_url( $install_url, 'install-theme_' . $theme->slug ) ) . '">' . __( 'Install' ) . '</a>';
 371                                         break;
 372                         } ?>
 373                         <h3 class="theme-name"><?php echo $name; ?></h3>
 374                         <span class="theme-by"><?php printf( __( 'By %s' ), $author ); ?></span>
 375                         <?php if ( isset( $theme->screenshot_url ) ): ?>
 376                                 <img class="theme-screenshot" src="<?php echo esc_url( $theme->screenshot_url ); ?>" />
 377                         <?php endif; ?>
 378                         <div class="theme-details">
 379                                 <?php wp_star_rating( array( 'rating' => $theme->rating, 'type' => 'percent', 'number' => $theme->num_ratings ) ); ?>
 380                                 <div class="theme-version">
 381                                         <strong><?php _e('Version:') ?> </strong>
 382                                         <?php echo wp_kses( $theme->version, $themes_allowedtags ); ?>
 383                                 </div>
 384                                 <div class="theme-description">
 385                                         <?php echo wp_kses( $theme->description, $themes_allowedtags ); ?>
 386                                 </div>
 387                         </div>
 388                         <input class="theme-preview-url" type="hidden" value="<?php echo esc_url( $theme->preview_url ); ?>" />
 389                 </div>
 390                 <?php
 391         }
 392
 393         /**
 394          * Send required variables to JavaScript land
 395          *
 396          * @since 3.4.0
 397          * @access public
 398          *
 399          * @uses $tab Global; current tab within Themes->Install screen
 400          * @uses $type Global; type of search.
 401          */
 402         public function _js_vars( $extra_args = array() ) {
 403                 global $tab, $type;
 404                 parent::_js_vars( compact( 'tab', 'type' ) );
 405         }
 406
 407         /**
 408          * Check to see if the theme is already installed.
 409          *
 410          * @since 3.4.0
 411          * @access private
 412          *
 413          * @param object $theme - A WordPress.org Theme API object.
 414          * @return string Theme status.
 415          */
 416         private function _get_theme_status( $theme ) {
 417                 $status = 'install';
 418
 419                 $installed_theme = wp_get_theme( $theme->slug );
 420                 if ( $installed_theme->exists() ) {
 421                         if ( version_compare( $installed_theme->get('Version'), $theme->version, '=' ) )
 422                                 $status = 'latest_installed';
 423                         elseif ( version_compare( $installed_theme->get('Version'), $theme->version, '>' ) )
 424                                 $status = 'newer_installed';
 425                         else
 426                                 $status = 'update_available';
 427                 }
 428
 429                 return $status;
 430         }
 431 }