<?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 '<h2>' . esc_html( $title ) . '</h2>';

			$url = self_admin_url('update.php?action=update-selected-themes&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':

				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;

			}

			if ( empty( $themes ) ) {

				wp_safe_redirect( add_query_arg( 'error', 'main', $referer ) );

				exit;

			}

			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' );

				?>

			<div class="wrap">

					<ul class="ul-disc">

					</ul>

				<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

							echo '<input type="hidden" name="checked[]" value="' . esc_attr($theme) . '" />';

					?>

				</form>

					<?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

					?>

					</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();

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>' .

);

$title = __('Themes');

$parent_file = 'themes.php';

require_once(ABSPATH . 'wp-admin/admin-header.php');

?>

<div class="wrap">

<h2><?php echo esc_html( $title ); if ( current_user_can('install_themes') ) { ?> <a href="theme-install.php" class="add-new-h2"><?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 ) ); ?>

</h2>

<?php

if ( isset( $_GET['enabled'] ) ) {

} elseif ( isset( $_GET['disabled'] ) ) {

} elseif ( isset( $_GET['deleted'] ) ) {

} elseif ( isset( $_GET['error'] ) && 'none' == $_GET['error'] ) {

} elseif ( isset( $_GET['error'] ) && 'main' == $_GET['error'] ) {

}

?>

<?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>';

?>

<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');