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                 }
  94
  95                 if ( ! $args )
  96                         return;
  97
  98                 $api = themes_api( 'query_themes', $args );
  99
 100                 if ( is_wp_error( $api ) )
 101                         wp_die( $api->get_error_message() . '</p> <p><a href="#" onclick="document.location.reload(); return false;">' . __( 'Try again' ) . '</a>' );
 102
 103                 $this->items = $api->themes;
 104
 105                 $this->set_pagination_args( array(
 106                         'total_items' => $api->info['results'],
 107                         'per_page' => $per_page,
 108                         'infinite_scroll' => true,
 109                 ) );
 110         }
 111
 112         function no_items() {
 113                 _e( 'No themes match your request.' );
 114         }
 115
 116         function get_views() {
 117                 global $tabs, $tab;
 118
 119                 $display_tabs = array();
 120                 foreach ( (array) $tabs as $action => $text ) {
 121                         $class = ( $action == $tab ) ? ' class="current"' : '';
 122                         $href = self_admin_url('theme-install.php?tab=' . $action);
 123                         $display_tabs['theme-install-'.$action] = "<a href='$href'$class>$text</a>";
 124                 }
 125
 126                 return $display_tabs;
 127         }
 128
 129         function display() {
 130                 wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
 131 ?>
 132                 <div class="tablenav top themes">
 133                         <div class="alignleft actions">
 134                                 <?php do_action( 'install_themes_table_header' ); ?>
 135                         </div>
 136                         <?php $this->pagination( 'top' ); ?>
 137                         <br class="clear" />
 138                 </div>
 139
 140                 <div id="availablethemes">
 141                         <?php $this->display_rows_or_placeholder(); ?>
 142                 </div>
 143
 144                 <?php
 145                 parent::tablenav( 'bottom' );
 146         }
 147
 148         function display_rows() {
 149                 $themes = $this->items;
 150                 foreach ( $themes as $theme ) {
 151                                 ?>
 152                                 <div class="available-theme installable-theme"><?php
 153                                         $this->single_row( $theme );
 154                                 ?></div>
 155                 <?php } // end foreach $theme_names
 156
 157                 $this->theme_installer();
 158         }
 159
 160         /*
 161          * Prints a theme from the WordPress.org API.
 162          *
 163          * @param object $theme An object that contains theme data returned by the WordPress.org API.
 164          *
 165          * Example theme data:
 166          *   object(stdClass)[59]
 167          *     public 'name' => string 'Magazine Basic'
 168          *     public 'slug' => string 'magazine-basic'
 169          *     public 'version' => string '1.1'
 170          *     public 'author' => string 'tinkerpriest'
 171          *     public 'preview_url' => string 'http://wp-themes.com/?magazine-basic'
 172          *     public 'screenshot_url' => string 'http://wp-themes.com/wp-content/themes/magazine-basic/screenshot.png'
 173          *     public 'rating' => float 80
 174          *     public 'num_ratings' => int 1
 175          *     public 'homepage' => string 'http://wordpress.org/themes/magazine-basic'
 176          *     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>.'
 177          *     public 'download_link' => string 'http://wordpress.org/themes/download/magazine-basic.1.1.zip'
 178          */
 179         function single_row( $theme ) {
 180                 global $themes_allowedtags;
 181
 182                 if ( empty( $theme ) )
 183                         return;
 184
 185                 $name   = wp_kses( $theme->name,   $themes_allowedtags );
 186                 $author = wp_kses( $theme->author, $themes_allowedtags );
 187
 188                 $preview_title = sprintf( __('Preview &#8220;%s&#8221;'), $name );
 189                 $preview_url   = add_query_arg( array(
 190                         'tab'   => 'theme-information',
 191                         'theme' => $theme->slug,
 192                 ) );
 193
 194                 $actions = array();
 195
 196                 $install_url = add_query_arg( array(
 197                         'action' => 'install-theme',
 198                         'theme'  => $theme->slug,
 199                 ), self_admin_url( 'update.php' ) );
 200
 201                 $update_url = add_query_arg( array(
 202                         'action' => 'upgrade-theme',
 203                         'theme'  => $theme->slug,
 204                 ), self_admin_url( 'update.php' ) );
 205
 206                 $status = $this->_get_theme_status( $theme );
 207
 208                 switch ( $status ) {
 209                         default:
 210                         case 'install':
 211                                 $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>';
 212                                 break;
 213                         case 'update_available':
 214                                 $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>';
 215                                 break;
 216                         case 'newer_installed':
 217                         case 'latest_installed':
 218                                 $actions[] = '<span class="install-now" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
 219                                 break;
 220                 }
 221
 222                 $actions[] = '<a class="install-theme-preview" href="' . esc_url( $preview_url ) . '" title="' . esc_attr( sprintf( __( 'Preview %s' ), $name ) ) . '">' . __( 'Preview' ) . '</a>';
 223
 224                 $actions = apply_filters( 'theme_install_actions', $actions, $theme );
 225
 226                 ?>
 227                 <a class="screenshot install-theme-preview" href="<?php echo esc_url( $preview_url ); ?>" title="<?php echo esc_attr( $preview_title ); ?>">
 228                         <img src='<?php echo esc_url( $theme->screenshot_url ); ?>' width='150' />
 229                 </a>
 230
 231                 <h3><?php echo $name; ?></h3>
 232                 <div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
 233
 234                 <div class="action-links">
 235                         <ul>
 236                                 <?php foreach ( $actions as $action ): ?>
 237                                         <li><?php echo $action; ?></li>
 238                                 <?php endforeach; ?>
 239                                 <li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
 240                         </ul>
 241                 </div>
 242
 243                 <?php
 244                 $this->install_theme_info( $theme );
 245         }
 246
 247         /*
 248          * Prints the wrapper for the theme installer.
 249          */
 250         function theme_installer() {
 251                 ?>
 252                 <div id="theme-installer" class="wp-full-overlay expanded">
 253                         <div class="wp-full-overlay-sidebar">
 254                                 <div class="wp-full-overlay-header">
 255                                         <a href="#" class="close-full-overlay"><?php _e( '&larr; Close' ); ?></a>
 256                                 </div>
 257                                 <div class="wp-full-overlay-sidebar-content">
 258                                         <div class="install-theme-info"></div>
 259                                 </div>
 260                                 <div class="wp-full-overlay-footer">
 261                                         <a href="#" class="collapse-sidebar button-secondary" title="<?php esc_attr_e('Collapse Sidebar'); ?>">
 262                                                 <span class="collapse-sidebar-label"><?php _e('Collapse'); ?></span>
 263                                                 <span class="collapse-sidebar-arrow"></span>
 264                                         </a>
 265                                 </div>
 266                         </div>
 267                         <div class="wp-full-overlay-main"></div>
 268                 </div>
 269                 <?php
 270         }
 271
 272         /*
 273          * Prints the wrapper for the theme installer with a provided theme's data.
 274          * Used to make the theme installer work for no-js.
 275          *
 276          * @param object $theme - A WordPress.org Theme API object.
 277          */
 278         function theme_installer_single( $theme ) {
 279                 ?>
 280                 <div id="theme-installer" class="wp-full-overlay single-theme">
 281                         <div class="wp-full-overlay-sidebar">
 282                                 <?php $this->install_theme_info( $theme ); ?>
 283                         </div>
 284                         <div class="wp-full-overlay-main">
 285                                 <iframe src="<?php echo esc_url( $theme->preview_url ); ?>"></iframe>
 286                         </div>
 287                 </div>
 288                 <?php
 289         }
 290
 291         /*
 292          * Prints the info for a theme (to be used in the theme installer modal).
 293          *
 294          * @param object $theme - A WordPress.org Theme API object.
 295          */
 296         function install_theme_info( $theme ) {
 297                 global $themes_allowedtags;
 298
 299                 if ( empty( $theme ) )
 300                         return;
 301
 302                 $name   = wp_kses( $theme->name,   $themes_allowedtags );
 303                 $author = wp_kses( $theme->author, $themes_allowedtags );
 304
 305                 $num_ratings = sprintf( _n( '(based on %s rating)', '(based on %s ratings)', $theme->num_ratings ), number_format_i18n( $theme->num_ratings ) );
 306
 307                 $install_url = add_query_arg( array(
 308                         'action' => 'install-theme',
 309                         'theme'  => $theme->slug,
 310                 ), self_admin_url( 'update.php' ) );
 311
 312                 $update_url = add_query_arg( array(
 313                         'action' => 'upgrade-theme',
 314                         'theme'  => $theme->slug,
 315                 ), self_admin_url( 'update.php' ) );
 316
 317                 $status = $this->_get_theme_status( $theme );
 318
 319                 ?>
 320                 <div class="install-theme-info"><?php
 321                         switch ( $status ) {
 322                                 default:
 323                                 case 'install':
 324                                         echo '<a class="theme-install button-primary" href="' . esc_url( wp_nonce_url( $install_url, 'install-theme_' . $theme->slug ) ) . '">' . __( 'Install' ) . '</a>';
 325                                         break;
 326                                 case 'update_available':
 327                                         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>';
 328                                         break;
 329                                 case 'newer_installed':
 330                                 case 'latest_installed':
 331                                         echo '<span class="theme-install" title="' . esc_attr__( 'This theme is already installed and is up to date' ) . '">' . _x( 'Installed', 'theme' ) . '</span>';
 332                                         break;
 333                         } ?>
 334                         <h3 class="theme-name"><?php echo $name; ?></h3>
 335                         <span class="theme-by"><?php printf( __( 'By %s' ), $author ); ?></span>
 336                         <?php if ( isset( $theme->screenshot_url ) ): ?>
 337                                 <img class="theme-screenshot" src="<?php echo esc_url( $theme->screenshot_url ); ?>" />
 338                         <?php endif; ?>
 339                         <div class="theme-details">
 340                                 <div class="star-holder" title="<?php echo esc_attr( $num_ratings ); ?>">
 341                                         <div class="star-rating" style="width:<?php echo esc_attr( intval( $theme->rating ) . 'px' ); ?>;"></div>
 342                                 </div>
 343                                 <div class="theme-version">
 344                                         <strong><?php _e('Version:') ?> </strong>
 345                                         <?php echo wp_kses( $theme->version, $themes_allowedtags ); ?>
 346                                 </div>
 347                                 <div class="theme-description">
 348                                         <?php echo wp_kses( $theme->description, $themes_allowedtags ); ?>
 349                                 </div>
 350                         </div>
 351                         <input class="theme-preview-url" type="hidden" value="<?php echo esc_url( $theme->preview_url ); ?>" />
 352                 </div>
 353                 <?php
 354         }
 355
 356         /**
 357          * Send required variables to JavaScript land
 358          *
 359          * @since 3.4
 360          * @access private
 361          *
 362          * @uses $tab Global; current tab within Themes->Install screen
 363          * @uses $type Global; type of search.
 364          */
 365         function _js_vars( $extra_args = array() ) {
 366                 global $tab, $type;
 367                 parent::_js_vars( compact( 'tab', 'type' ) );
 368         }
 369
 370         /**
 371          * Check to see if the theme is already installed.
 372          *
 373          * @since 3.4
 374          * @access private
 375          *
 376          * @param object $theme - A WordPress.org Theme API object.
 377          * @return string Theme status.
 378          */
 379         private function _get_theme_status( $theme ) {
 380                 $status = 'install';
 381
 382                 $installed_theme = wp_get_theme( $theme->slug );
 383                 if ( $installed_theme->exists() ) {
 384                         if ( version_compare( $installed_theme->get('Version'), $theme->version, '=' ) )
 385                                 $status = 'latest_installed';
 386                         elseif ( version_compare( $installed_theme->get('Version'), $theme->version, '>' ) )
 387                                 $status = 'newer_installed';
 388                         else
 389                                 $status = 'update_available';
 390                 }
 391
 392                 return $status;
 393         }
 394 }