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