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- <?php
- /**
- * List Table API: WP_Themes_List_Table class
- *
- * @package WordPress
- * @subpackage Administration
- * @since 3.1.0
- */
-
- /**
- * Core class used to implement displaying installed themes in a list table.
- *
- * @since 3.1.0
- * @access private
- *
- * @see WP_List_Table
- */
- class WP_Themes_List_Table extends WP_List_Table {
-
- protected $search_terms = array();
- public $features = array();
-
- /**
- * Constructor.
- *
- * @since 3.1.0
- * @access public
- *
- * @see WP_List_Table::__construct() for more information on default arguments.
- *
- * @param array $args An associative array of arguments.
- */
- public function __construct( $args = array() ) {
- parent::__construct( array(
- 'ajax' => true,
- 'screen' => isset( $args['screen'] ) ? $args['screen'] : null,
- ) );
- }
-
- /**
- *
- * @return bool
- */
- public function ajax_user_can() {
- // Do not check edit_theme_options here. Ajax calls for available themes require switch_themes.
- return current_user_can( 'switch_themes' );
- }
-
- /**
- * @access public
- */
- public function prepare_items() {
- $themes = wp_get_themes( array( 'allowed' => true ) );
-
- if ( ! empty( $_REQUEST['s'] ) )
- $this->search_terms = array_unique( array_filter( array_map( 'trim', explode( ',', strtolower( wp_unslash( $_REQUEST['s'] ) ) ) ) ) );
-
- if ( ! empty( $_REQUEST['features'] ) )
- $this->features = $_REQUEST['features'];
-
- if ( $this->search_terms || $this->features ) {
- foreach ( $themes as $key => $theme ) {
- if ( ! $this->search_theme( $theme ) )
- unset( $themes[ $key ] );
- }
- }
-
- unset( $themes[ get_option( 'stylesheet' ) ] );
- WP_Theme::sort_by_name( $themes );
-
- $per_page = 36;
- $page = $this->get_pagenum();
-
- $start = ( $page - 1 ) * $per_page;
-
- $this->items = array_slice( $themes, $start, $per_page, true );
-
- $this->set_pagination_args( array(
- 'total_items' => count( $themes ),
- 'per_page' => $per_page,
- 'infinite_scroll' => true,
- ) );
- }
-
- /**
- * @access public
- */
- public function no_items() {
- if ( $this->search_terms || $this->features ) {
- _e( 'No items found.' );
- return;
- }
-
- $blog_id = get_current_blog_id();
- if ( is_multisite() ) {
- if ( current_user_can( 'install_themes' ) && current_user_can( 'manage_network_themes' ) ) {
- printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> or <a href="%2$s">install</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $blog_id ), network_admin_url( 'theme-install.php' ) );
-
- return;
- } elseif ( current_user_can( 'manage_network_themes' ) ) {
- printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $blog_id ) );
-
- return;
- }
- // Else, fallthrough. install_themes doesn't help if you can't enable it.
- } else {
- if ( current_user_can( 'install_themes' ) ) {
- printf( __( 'You only have one theme installed right now. Live a little! You can choose from over 1,000 free themes in the WordPress Theme Directory at any time: just click on the <a href="%s">Install Themes</a> tab above.' ), admin_url( 'theme-install.php' ) );
-
- return;
- }
- }
- // Fallthrough.
- printf( __( 'Only the current theme is available to you. Contact the %s administrator for information about accessing additional themes.' ), get_site_option( 'site_name' ) );
- }
-
- /**
- * @param string $which
- */
- public function tablenav( $which = 'top' ) {
- if ( $this->get_pagination_arg( 'total_pages' ) <= 1 )
- return;
- ?>
- <div class="tablenav themes <?php echo $which; ?>">
- <?php $this->pagination( $which ); ?>
- <span class="spinner"></span>
- <br class="clear" />
- </div>
- <?php
- }
-
- /**
- * @access public
- */
- public function display() {
- wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
- ?>
- <?php $this->tablenav( 'top' ); ?>
-
- <div id="availablethemes">
- <?php $this->display_rows_or_placeholder(); ?>
- </div>
-
- <?php $this->tablenav( 'bottom' ); ?>
- <?php
- }
-
- /**
- *
- * @return array
- */
- public function get_columns() {
- return array();
- }
-
- /**
- * @access public
- */
- public function display_rows_or_placeholder() {
- if ( $this->has_items() ) {
- $this->display_rows();
- } else {
- echo '<div class="no-items">';
- $this->no_items();
- echo '</div>';
- }
- }
-
- /**
- * @access public
- */
- public function display_rows() {
- $themes = $this->items;
-
- foreach ( $themes as $theme ):
- ?><div class="available-theme"><?php
-
- $template = $theme->get_template();
- $stylesheet = $theme->get_stylesheet();
- $title = $theme->display('Name');
- $version = $theme->display('Version');
- $author = $theme->display('Author');
-
- $activate_link = wp_nonce_url( "themes.php?action=activate&template=" . urlencode( $template ) . "&stylesheet=" . urlencode( $stylesheet ), 'switch-theme_' . $stylesheet );
-
- $actions = array();
- $actions['activate'] = '<a href="' . $activate_link . '" class="activatelink" title="'
- . esc_attr( sprintf( __( 'Activate “%s”' ), $title ) ) . '">' . __( 'Activate' ) . '</a>';
-
- if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
- $actions['preview'] .= '<a href="' . wp_customize_url( $stylesheet ) . '" class="load-customize hide-if-no-customize">'
- . __( 'Live Preview' ) . '</a>';
- }
-
- if ( ! is_multisite() && current_user_can( 'delete_themes' ) )
- $actions['delete'] = '<a class="submitdelete deletion" href="' . wp_nonce_url( 'themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet )
- . '" onclick="' . "return confirm( '" . esc_js( sprintf( __( "You are about to delete this theme '%s'\n 'Cancel' to stop, 'OK' to delete." ), $title ) )
- . "' );" . '">' . __( 'Delete' ) . '</a>';
-
- /** This filter is documented in wp-admin/includes/class-wp-ms-themes-list-table.php */
- $actions = apply_filters( 'theme_action_links', $actions, $theme );
-
- /** This filter is documented in wp-admin/includes/class-wp-ms-themes-list-table.php */
- $actions = apply_filters( "theme_action_links_$stylesheet", $actions, $theme );
- $delete_action = isset( $actions['delete'] ) ? '<div class="delete-theme">' . $actions['delete'] . '</div>' : '';
- unset( $actions['delete'] );
-
- ?>
-
- <span class="screenshot hide-if-customize">
- <?php if ( $screenshot = $theme->get_screenshot() ) : ?>
- <img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
- <?php endif; ?>
- </span>
- <a href="<?php echo wp_customize_url( $stylesheet ); ?>" class="screenshot load-customize hide-if-no-customize">
- <?php if ( $screenshot = $theme->get_screenshot() ) : ?>
- <img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
- <?php endif; ?>
- </a>
-
- <h3><?php echo $title; ?></h3>
- <div class="theme-author"><?php printf( __( 'By %s' ), $author ); ?></div>
- <div class="action-links">
- <ul>
- <?php foreach ( $actions as $action ): ?>
- <li><?php echo $action; ?></li>
- <?php endforeach; ?>
- <li class="hide-if-no-js"><a href="#" class="theme-detail"><?php _e('Details') ?></a></li>
- </ul>
- <?php echo $delete_action; ?>
-
- <?php theme_update_available( $theme ); ?>
- </div>
-
- <div class="themedetaildiv hide-if-js">
- <p><strong><?php _e('Version:'); ?></strong> <?php echo $version; ?></p>
- <p><?php echo $theme->display('Description'); ?></p>
- <?php if ( $theme->parent() ) {
- printf( ' <p class="howto">' . __( 'This <a href="%1$s">child theme</a> requires its parent theme, %2$s.' ) . '</p>',
- __( 'https://codex.wordpress.org/Child_Themes' ),
- $theme->parent()->display( 'Name' ) );
- } ?>
- </div>
-
- </div>
- <?php
- endforeach;
- }
-
- /**
- * @param WP_Theme $theme
- * @return bool
- */
- public function search_theme( $theme ) {
- // Search the features
- foreach ( $this->features as $word ) {
- if ( ! in_array( $word, $theme->get('Tags') ) )
- return false;
- }
-
- // Match all phrases
- foreach ( $this->search_terms as $word ) {
- if ( in_array( $word, $theme->get('Tags') ) )
- continue;
-
- foreach ( array( 'Name', 'Description', 'Author', 'AuthorURI' ) as $header ) {
- // Don't mark up; Do translate.
- if ( false !== stripos( strip_tags( $theme->display( $header, false, true ) ), $word ) ) {
- continue 2;
- }
- }
-
- if ( false !== stripos( $theme->get_stylesheet(), $word ) )
- continue;
-
- if ( false !== stripos( $theme->get_template(), $word ) )
- continue;
-
- return false;
- }
-
- return true;
- }
-
- /**
- * Send required variables to JavaScript land
- *
- * @since 3.4.0
- * @access public
- *
- * @param array $extra_args
- */
- public function _js_vars( $extra_args = array() ) {
- $search_string = isset( $_REQUEST['s'] ) ? esc_attr( wp_unslash( $_REQUEST['s'] ) ) : '';
-
- $args = array(
- 'search' => $search_string,
- 'features' => $this->features,
- 'paged' => $this->get_pagenum(),
- 'total_pages' => ! empty( $this->_pagination_args['total_pages'] ) ? $this->_pagination_args['total_pages'] : 1,
- );
-
- if ( is_array( $extra_args ) )
- $args = array_merge( $args, $extra_args );
-
- printf( "<script type='text/javascript'>var theme_list_args = %s;</script>\n", wp_json_encode( $args ) );
- parent::_js_vars();
- }
- }
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