default-theme/default-theme.php at master · cp-psource/default-theme · GitHub

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<?php
/*
Plugin Name: Standard Theme
Version: 1.0.5
Plugin URI: https://cp-psource.github.io/default-theme/
Description: Ermöglicht die einfache Auswahl eines neuen Standardthemes für neue Blog-Anmeldungen
Author: PSOURCE
Author URI: https://github.com/cp-psource
Network: true
*/

/*
Copyright 2020-2025 PSOURCE (https://github.com/cp-psource)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License (Version 2 - GPLv2) as published by
the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/**
 * @@@@@@@@@@@@@@@@@ PS UPDATER 1.3 @@@@@@@@@@@
 **/
require 'psource/psource-plugin-update/plugin-update-checker.php';
use YahnisElsts\PluginUpdateChecker\v5\PucFactory;

$myUpdateChecker = PucFactory::buildUpdateChecker(
	'https://github.com/cp-psource/default-theme',
	__FILE__,
	'default-theme'
);

//Set the branch that contains the stable release.
$myUpdateChecker->setBranch('master');

/**
 * @@@@@@@@@@@@@@@@@ ENDE PS UPDATER 1.3 @@@@@@@@@@@
 **/

//force multisite
if ( ! is_multisite() ) {
	exit( __( 'Das Standard Theme ist nur mit Multisite-Installationen kompatibel.', 'defaulttheme' ) );
}

//------------------------------------------------------------------------//
//---Hook-----------------------------------------------------------------//
//------------------------------------------------------------------------//

add_action( 'plugins_loaded', 'default_theme_localization' );
add_action( 'wpmu_options', 'default_theme_site_admin_options' );
add_action( 'update_wpmu_options', 'default_theme_site_admin_options_process', 1 );
add_action( 'wpmu_new_blog', 'default_theme_switch_theme', 1, 1 );

//------------------------------------------------------------------------//
//---Functions------------------------------------------------------------//
//------------------------------------------------------------------------//

function default_theme_localization() {
	// Load up the localization file if we're using WordPress in a different language
	// Place it in this plugin's "languages" folder and name it "defaulttheme-[value in wp-config].mo"
	load_plugin_textdomain( 'defaulttheme', false, '/default-theme/languages' );
}

function default_theme_switch_theme( $blog_ID ) {

	$default_theme = get_site_option( 'default_theme' );
	$themes        = wp_get_themes();

	//we have to go through all this to handle child themes, otherwise it will throw errors
	foreach ( (array) $themes as $key => $theme ) {
		$stylesheet = esc_html( $theme['Stylesheet'] );
		$template   = esc_html( $theme['Template'] );
		if ( $default_theme == $stylesheet || $default_theme == $template ) {
			$new_stylesheet = $stylesheet;
			$new_template   = $template;
		}
	}

	//activate it
	switch_to_blog( $blog_ID );
	switch_theme( $new_template, $new_stylesheet );
	restore_current_blog();
}

function default_theme_site_admin_options_process() {
	update_site_option( 'default_theme', $_POST['default_theme'] );
}

//------------------------------------------------------------------------//
//---Output Functions-----------------------------------------------------//
//------------------------------------------------------------------------//

function default_theme_site_admin_options() {

	$themes = wp_get_themes();

	$default_theme = get_site_option( 'default_theme' );
	if ( empty( $default_theme ) ) {
		$default_theme = 'default';
	}
	?>
	<h3><?php _e( 'Theme Einstellungen', 'defaulttheme' ) ?></h3>
	<table class="form-table">
		<tr valign="top">
			<th scope="row"><?php _e( 'Standard Theme', 'defaulttheme' ) ?></th>
			<td><select name="default_theme">
					<?php
					foreach ( $themes as $key => $theme ) {
						$theme_key = esc_html( $theme['Stylesheet'] );
						echo '<option value="' . $theme_key . '"' . ( $theme_key == $default_theme ? ' selected' : '' ) . '>' . $key . '</option>' . "\n";
					}
					?>
				</select>
				<br/><?php _e( 'Standardtheme für neue Blogs.', 'defaulttheme' ); ?></td>
		</tr>
	</table>
	<?php
}