WordPress/wp-admin/network/themes.php

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<?php
/**
* Multisite themes administration panel.
*
* @package WordPress
* @subpackage Multisite
* @since 3.1.0
*/
/** Load WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );
if ( ! is_multisite() )
wp_die( __( 'Multisite support is not enabled.' ) );
if ( !current_user_can('manage_network_themes') )
wp_die( __( 'You do not have sufficient permissions to manage network themes.' ) );
$wp_list_table = _get_list_table('WP_MS_Themes_List_Table');
$pagenum = $wp_list_table->get_pagenum();
$action = $wp_list_table->current_action();
$s = isset($_REQUEST['s']) ? $_REQUEST['s'] : '';
// Clean up request URI from temporary args for screen options/paging uri's to work as expected.
$temp_args = array( 'enabled', 'disabled', 'deleted', 'error' );
$_SERVER['REQUEST_URI'] = remove_query_arg( $temp_args, $_SERVER['REQUEST_URI'] );
$referer = remove_query_arg( $temp_args, wp_get_referer() );
if ( $action ) {
$allowed_themes = get_site_option( 'allowedthemes' );
switch ( $action ) {
case 'enable':
check_admin_referer('enable-theme_' . $_GET['theme']);
$allowed_themes[ $_GET['theme'] ] = true;
update_site_option( 'allowedthemes', $allowed_themes );
if ( false === strpos( $referer, '/network/themes.php' ) )
wp_redirect( network_admin_url( 'themes.php?enabled=1' ) );
else
wp_safe_redirect( add_query_arg( 'enabled', 1, $referer ) );
exit;
case 'disable':
check_admin_referer('disable-theme_' . $_GET['theme']);
unset( $allowed_themes[ $_GET['theme'] ] );
update_site_option( 'allowedthemes', $allowed_themes );
wp_safe_redirect( add_query_arg( 'disabled', '1', $referer ) );
exit;
case 'enable-selected':
check_admin_referer('bulk-themes');
$themes = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
if ( empty($themes) ) {
wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
exit;
}
foreach( (array) $themes as $theme )
$allowed_themes[ $theme ] = true;
update_site_option( 'allowedthemes', $allowed_themes );
wp_safe_redirect( add_query_arg( 'enabled', count( $themes ), $referer ) );
exit;
case 'disable-selected':
check_admin_referer('bulk-themes');
$themes = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
if ( empty($themes) ) {
wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
exit;
}
foreach( (array) $themes as $theme )
unset( $allowed_themes[ $theme ] );
update_site_option( 'allowedthemes', $allowed_themes );
wp_safe_redirect( add_query_arg( 'disabled', count( $themes ), $referer ) );
exit;
case 'update-selected' :
check_admin_referer( 'bulk-themes' );
if ( isset( $_GET['themes'] ) )
$themes = explode( ',', $_GET['themes'] );
elseif ( isset( $_POST['checked'] ) )
$themes = (array) $_POST['checked'];
else
$themes = array();
$title = __( 'Update Themes' );
$parent_file = 'themes.php';
require_once(ABSPATH . 'wp-admin/admin-header.php');
echo '<div class="wrap">';
echo '<h1>' . esc_html( $title ) . '</h1>';
$url = self_admin_url('update.php?action=update-selected-themes&amp;themes=' . urlencode( join(',', $themes) ));
$url = wp_nonce_url($url, 'bulk-update-themes');
echo "<iframe src='$url' style='width: 100%; height:100%; min-height:850px;'></iframe>";
echo '</div>';
require_once(ABSPATH . 'wp-admin/admin-footer.php');
exit;
case 'delete-selected':
if ( ! current_user_can( 'delete_themes' ) ) {
wp_die( __('You do not have sufficient permissions to delete themes for this site.') );
}
check_admin_referer( 'bulk-themes' );
$themes = isset( $_REQUEST['checked'] ) ? (array) $_REQUEST['checked'] : array();
if ( empty( $themes ) ) {
wp_safe_redirect( add_query_arg( 'error', 'none', $referer ) );
exit;
}
$themes = array_diff( $themes, array( get_option( 'stylesheet' ), get_option( 'template' ) ) );
if ( empty( $themes ) ) {
wp_safe_redirect( add_query_arg( 'error', 'main', $referer ) );
exit;
}
$files_to_delete = $theme_info = array();
$theme_translations = wp_get_installed_translations( 'themes' );
foreach ( $themes as $key => $theme ) {
$theme_info[ $theme ] = wp_get_theme( $theme );
// Locate all the files in that folder.
$files = list_files( $theme_info[ $theme ]->get_stylesheet_directory() );
if ( $files ) {
$files_to_delete = array_merge( $files_to_delete, $files );
}
// Add translation files.
$theme_slug = $theme_info[ $theme ]->get_stylesheet();
if ( ! empty( $theme_translations[ $theme_slug ] ) ) {
$translations = $theme_translations[ $theme_slug ];
foreach ( $translations as $translation => $data ) {
$files_to_delete[] = $theme_slug . '-' . $translation . '.po';
$files_to_delete[] = $theme_slug . '-' . $translation . '.mo';
}
}
}
include(ABSPATH . 'wp-admin/update.php');
$parent_file = 'themes.php';
if ( ! isset( $_REQUEST['verify-delete'] ) ) {
wp_enqueue_script( 'jquery' );
require_once( ABSPATH . 'wp-admin/admin-header.php' );
$themes_to_delete = count( $themes );
?>
<div class="wrap">
<?php if ( 1 == $themes_to_delete ) : ?>
<h1><?php _e( 'Delete Theme' ); ?></h1>
<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'This theme may be active on other sites in the network.' ); ?></p></div>
<p><?php _e( 'You are about to remove the following theme:' ); ?></p>
<?php else : ?>
<h1><?php _e( 'Delete Themes' ); ?></h1>
<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php _e( 'These themes may be active on other sites in the network.' ); ?></p></div>
<p><?php _e( 'You are about to remove the following themes:' ); ?></p>
<?php endif; ?>
<ul class="ul-disc">
<?php
foreach ( $theme_info as $theme ) {
/* translators: 1: theme name, 2: theme author */
echo '<li>', sprintf( __('<strong>%1$s</strong> by <em>%2$s</em>' ), $theme->display('Name'), $theme->display('Author') ), '</li>';
}
?>
</ul>
<?php if ( 1 == $themes_to_delete ) : ?>
<p><?php _e( 'Are you sure you wish to delete this theme?' ); ?></p>
<?php else : ?>
<p><?php _e( 'Are you sure you wish to delete these themes?' ); ?></p>
<?php endif; ?>
<form method="post" action="<?php echo esc_url($_SERVER['REQUEST_URI']); ?>" style="display:inline;">
<input type="hidden" name="verify-delete" value="1" />
<input type="hidden" name="action" value="delete-selected" />
<?php
foreach ( (array) $themes as $theme ) {
echo '<input type="hidden" name="checked[]" value="' . esc_attr($theme) . '" />';
}
wp_nonce_field( 'bulk-themes' );
if ( 1 == $themes_to_delete ) {
submit_button( __( 'Yes, delete this theme' ), 'button', 'submit', false );
} else {
submit_button( __( 'Yes, delete these themes' ), 'button', 'submit', false );
}
?>
</form>
<?php
$referer = wp_get_referer();
?>
<form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
<?php submit_button( __( 'No, return me to the theme list' ), 'button', 'submit', false ); ?>
</form>
<p><a href="#" onclick="jQuery('#files-list').toggle(); return false;"><?php _e('Click to view entire list of files which will be deleted'); ?></a></p>
<div id="files-list" style="display:none;">
<ul class="code">
<?php
foreach ( (array) $files_to_delete as $file ) {
echo '<li>' . esc_html( str_replace( WP_CONTENT_DIR . '/themes', '', $file ) ) . '</li>';
}
?>
</ul>
</div>
</div>
<?php
require_once(ABSPATH . 'wp-admin/admin-footer.php');
exit;
} // Endif verify-delete
foreach ( $themes as $theme ) {
$delete_result = delete_theme( $theme, esc_url( add_query_arg( array(
'verify-delete' => 1,
'action' => 'delete-selected',
'checked' => $_REQUEST['checked'],
'_wpnonce' => $_REQUEST['_wpnonce']
), network_admin_url( 'themes.php' ) ) ) );
}
$paged = ( $_REQUEST['paged'] ) ? $_REQUEST['paged'] : 1;
wp_redirect( add_query_arg( array(
'deleted' => count( $themes ),
'paged' => $paged,
's' => $s
), network_admin_url( 'themes.php' ) ) );
exit;
}
}
$wp_list_table->prepare_items();
add_thickbox();
add_screen_option( 'per_page' );
get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __('Overview'),
'content' =>
'<p>' . __('This screen enables and disables the inclusion of themes available to choose in the Appearance menu for each site. It does not activate or deactivate which theme a site is currently using.') . '</p>' .
'<p>' . __('If the network admin disables a theme that is in use, it can still remain selected on that site. If another theme is chosen, the disabled theme will not appear in the site&#8217;s Appearance > Themes screen.') . '</p>' .
'<p>' . __('Themes can be enabled on a site by site basis by the network admin on the Edit Site screen (which has a Themes tab); get there via the Edit action link on the All Sites screen. Only network admins are able to install or edit themes.') . '</p>'
) );
get_current_screen()->set_help_sidebar(
'<p><strong>' . __('For more information:') . '</strong></p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Network_Admin_Themes_Screen" target="_blank">Documentation on Network Themes</a>') . '</p>' .
'<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
);
$title = __('Themes');
$parent_file = 'themes.php';
wp_enqueue_script( 'theme-preview' );
require_once(ABSPATH . 'wp-admin/admin-header.php');
?>
<div class="wrap">
<h1><?php echo esc_html( $title ); if ( current_user_can('install_themes') ) { ?> <a href="theme-install.php" class="page-title-action"><?php echo esc_html_x('Add New', 'theme'); ?></a><?php }
if ( $s )
printf( '<span class="subtitle">' . __('Search results for &#8220;%s&#8221;') . '</span>', esc_html( $s ) ); ?>
</h1>
<?php
if ( isset( $_GET['enabled'] ) ) {
$enabled = absint( $_GET['enabled'] );
if ( 1 == $enabled ) {
$message = __( 'Theme enabled.' );
} else {
$message = _n( '%s theme enabled.', '%s themes enabled.', $enabled );
}
echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $enabled ) ) . '</p></div>';
} elseif ( isset( $_GET['disabled'] ) ) {
$disabled = absint( $_GET['disabled'] );
if ( 1 == $disabled ) {
$message = __( 'Theme disabled.' );
} else {
$message = _n( '%s theme disabled.', '%s themes disabled.', $disabled );
}
echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $disabled ) ) . '</p></div>';
} elseif ( isset( $_GET['deleted'] ) ) {
$deleted = absint( $_GET['deleted'] );
if ( 1 == $deleted ) {
$message = __( 'Theme deleted.' );
} else {
$message = _n( '%s theme deleted.', '%s themes deleted.', $deleted );
}
echo '<div id="message" class="updated notice is-dismissible"><p>' . sprintf( $message, number_format_i18n( $deleted ) ) . '</p></div>';
} elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {
echo '<div id="message" class="error notice is-dismissible"><p>' . __( 'No theme selected.' ) . '</p></div>';
} elseif ( isset( $_GET['error'] ) && 'main' == $_GET['error'] ) {
echo '<div class="error notice is-dismissible"><p>' . __( 'You cannot delete a theme while it is active on the main site.' ) . '</p></div>';
}
?>
<form method="get">
<?php $wp_list_table->search_box( __( 'Search Installed Themes' ), 'theme' ); ?>
</form>
<?php
$wp_list_table->views();
if ( 'broken' == $status )
echo '<p class="clear">' . __('The following themes are installed but incomplete. Themes must have a stylesheet and a template.') . '</p>';
?>
<form method="post">
<input type="hidden" name="theme_status" value="<?php echo esc_attr($status) ?>" />
<input type="hidden" name="paged" value="<?php echo esc_attr($page) ?>" />
<?php $wp_list_table->display(); ?>
</form>
</div>
<?php
include(ABSPATH . 'wp-admin/admin-footer.php');