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jonradio-multiple-themes.php
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jonradio-multiple-themes.php
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<?php
/*
Plugin Name: Multiple Themes
Plugin URI: http://zatzlabs.com/plugins/
Description: Select different Themes for one or more WordPress Pages, Posts or other non-Admin pages. Or Site Home.
Version: 7.1.1
Author: David Gewirtz
Author URI: http://zatzlabs.com/plugins/
License: GPLv2
*/
/* Copyright 2015 jonradio (email : [email protected])
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Exit if .php file accessed directly
*/
if ( !defined( 'ABSPATH' ) ) {
exit;
}
DEFINE( 'JR_MT_HOME_URL', home_url() );
DEFINE( 'JR_MT_FILE', __FILE__ );
/* For Hooks, when it needs to run first or last.
*/
DEFINE( 'JR_MT_RUN_FIRST', 1 );
DEFINE( 'JR_MT_RUN_SECOND', JR_MT_RUN_FIRST + 1 );
DEFINE( 'JR_MT_RUN_LAST', 999 );
DEFINE( 'JR_MT_WP_GET_THEMES_ACTION', 'plugins_loaded' );
global $jr_mt_url_types;
$jr_mt_url_types = array( 'url', 'url_prefix', 'url_asterisk' );
function jr_mt_default_settings() {
return array(
/* Settings structure:
code - get_option( 'jr_mt_settings' )
['all_pages'] => zero length string or folder in Themes directory containing theme to use for All Pages
['all_posts'] => zero length string or folder in Themes directory containing theme to use for All Posts
['site_home'] => zero length string or folder in Themes directory containing theme to use for Home Page
['current'] => zero length string or folder in Themes directory containing theme to override WordPress Current Theme
['query']
[keyword]
[value] or ['*'] => folder in Themes directory containing theme to use
['remember']
['query']
[keyword]
[value] => TRUE
['override']
['query']
[keyword]
[value] => TRUE
['query_present'] => TRUE or FALSE
Added in Version 5.0:
['url'], ['url_prefix'] and ['url_asterisk'] - array with each entry:
['url'] => URL
['prep'][] => array of URL arrays created by jr_mt_prep_url(), with array index matching the array index of ['aliases']
['rel_url'] => Relative URL based on Site Address (URL) that admin entered the URL
['id'] => Post ID (Page, Post or Attachment), if known and if relevant
['id_kw'] => 'page_id', 'p' or 'attachment_id'
['theme'] => folder in Themes directory containing theme to use
Added in Version 6.0:
['aliases'][] - array of Alias URLs that could replace 'home' in URL of this site,
with each entry:
['url'] => URL
['prep'] => URL array created by jr_mt_prep_url()
['home'] => TRUE if this is Site Address (URL) field value from WordPress General Settings,
which is stored here to determine when the WordPress General Setting is changed
Added in Version 7.1:
['ajax_all'] => zero length string or folder in Themes directory containing theme to use for /wp-admin/admin-ajax.php
Prior to Version 5.0:
['ids']
[id] - zero length string or WordPress ID of Page, Post, etc.
['type'] => 'page' or 'post' or 'admin' or 'cat' or 'archive' or 'prefix' or other
['theme'] => folder in Themes directory containing theme to use
['id'] => FALSE or WordPress ID of Page, Post, etc.
['page_url'] => relative URL WordPress page, post, admin, etc. or FALSE
['rel_url'] => URL relative to WordPress home
['url'] => original full URL, from Settings page entry by user
*/
'aliases' => jr_mt_init_aliases(),
'all_pages' => '',
'all_posts' => '',
'site_home' => '',
'current' => '',
'ajax_all' => '',
'query' => array(),
'remember' => array( 'query' => array() ),
'override' => array( 'query' => array() ),
'query_present' => FALSE,
'url' => array(),
'url_prefix' => array(),
'url_asterisk' => array()
);
}
/* Catch old unsupported version of WordPress before any damage can be done.
*/
if ( version_compare( get_bloginfo( 'version' ), '3.4', '<' ) ) {
require_once( plugin_dir_path( JR_MT_FILE ) . 'includes/old-wp.php' );
} else {
/* Use $plugin_data['Name'] for the array of incompatible plugins
*/
global $jr_mt_incompat_plugins;
$jr_mt_incompat_plugins = array( 'Theme Test Drive' ); // removed for V5: 'BuddyPress', 'Polylang'
require_once( plugin_dir_path( JR_MT_FILE ) . 'includes/functions.php' );
if ( is_admin() ) {
/* Add Link to the plugin's entry on the Admin "Plugins" Page, for easy access
Placed here to avoid the confusion of not displaying it during a Version conversion of Settings
*/
add_filter( 'plugin_action_links_' . jr_mt_plugin_basename(), 'jr_mt_plugin_action_links', 10, 1 );
/**
* Creates Settings entry right on the Plugins Page entry.
*
* Helps the user understand where to go immediately upon Activation of the Plugin
* by creating entries on the Plugins page, right beside Deactivate and Edit.
*
* @param array $links Existing links for our Plugin, supplied by WordPress
* @param string $file Name of Plugin currently being processed
* @return string $links Updated set of links for our Plugin
*/
function jr_mt_plugin_action_links( $links ) {
/* The "page=" query string value must be equal to the slug
of the Settings admin page.
*/
array_unshift( $links, '<a href="' . get_bloginfo('wpurl') . '/wp-admin/admin.php?page=jr_mt_settings' . '">Settings</a>' );
return $links;
}
// Admin Page
add_action( 'admin_menu', 'jr_mt_admin_hook' );
// Runs just before admin_init (in admin.php file)
/**
* Add Admin Menu item for plugin
*
* Plugin needs its own Page in the Settings section of the Admin menu.
*
*/
function jr_mt_admin_hook() {
// Add Settings Page for this Plugin
global $jr_mt_plugin_data;
add_theme_page( $jr_mt_plugin_data['Name'], 'Multiple Themes plugin', 'switch_themes', 'jr_mt_settings', 'jr_mt_settings_page' );
add_options_page( $jr_mt_plugin_data['Name'], 'Multiple Themes plugin', 'switch_themes', 'jr_mt_settings', 'jr_mt_settings_page' );
}
add_action( 'admin_init', 'jr_mt_register_settings' );
function jr_mt_register_settings() {
register_setting( 'jr_mt_settings', 'jr_mt_settings', 'jr_mt_validate_settings' );
}
}
if ( is_admin() ) {
/* && isset( $_GET['page'] ) && ( 'jr_mt_settings' === $_GET['page'] )
should work, but redirects Save Changes to options.php
*/
require_once( jr_mt_path() . 'includes/admin-functions.php' );
/* Admin panel
*/
require_once( jr_mt_path() . 'includes/admin.php' );
} else {
require_once( jr_mt_path() . 'includes/select-theme.php' );
}
}
?>