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<?php
/**
* @author ThemePunch <[email protected]>
* @link https://www.themepunch.com/
* @copyright 2024 ThemePunch
*/
if( !defined( 'ABSPATH') ) exit();
class RevSliderPageTemplate {
/**
* A reference to an instance of this class.
*/
private static $instance;
/**
* The array of templates that this plugin tracks.
*/
protected $templates;
/**
* Returns an instance of this class.
*/
public static function get_instance(){
if(null == self::$instance) self::$instance = new RevSliderPageTemplate();
return self::$instance;
}
/**
* Initializes the plugin by setting filters and administration functions.
*/
private function __construct(){
$this->templates = array();
// Add a filter to the attributes metabox to inject template into the cache.
add_filter('page_attributes_dropdown_pages_args', array( $this, 'register_project_templates'));
// Add a filter to the save post to inject out template into the page cache
add_filter('wp_insert_post_data', array($this, 'register_project_templates'));
// Add a filter to the template include to determine if the page has our
// template assigned and return it's path
add_filter('template_include', array($this, 'view_project_template'));
// Add your templates to this array.
$this->templates = array('../public/views/revslider-page-template.php' => 'Slider Revolution Blank Template');
// Fix for WP 4.7
add_filter('theme_page_templates', array($this, 'register_project_templates_new'));
// Add filters to the attributes metabox to inject templates to all posts
$types = get_post_types([], 'objects');
foreach($types as $type => $values){
if(isset($type)) add_filter('theme_' . $type . '_templates', array($this, 'add_post_templates'));
}
}
// Adds our template to the new post templates setting (WP >= 4.7)
public function register_project_templates_new($post_templates){
return array_merge($post_templates, $this->templates);
}
public function add_post_templates($templates){
$my_virtual_templates = array('../public/views/revslider-page-template.php' => 'Slider Revolution Blank Template');
return array_merge($templates, $my_virtual_templates);
}
/**
* Adds our template to the pages cache in order to trick WordPress
* into thinking the template file exists where it doens't really exist.
*
*/
public function register_project_templates($atts){
// Create the key used for the themes cache
$cache_key = 'page_templates-' . md5(get_theme_root() . '/' . get_stylesheet());
// Retrieve the cache list.
// If it doesn't exist, or it's empty prepare an array
$templates = wp_get_theme()->get_page_templates();
if(empty($templates)) $templates = array();
// New cache, therefore remove the old one
wp_cache_delete($cache_key , 'themes');
// Now add our template to the list of templates by merging our templates
// with the existing templates array from the cache.
$templates = array_merge($templates, $this->templates);
// Add the modified cache to allow WordPress to pick it up for listing
// available templates
wp_cache_add($cache_key, $templates, 'themes', 1800);
return $atts;
}
/**
* Checks if the template is assigned to the page
*/
public function view_project_template($template){
if(is_search()) return $template; //fix for search issue (B-5798177839)
global $post;
if(!isset($post->ID)) return $template;
if(!isset($this->templates[get_post_meta(
$post->ID, '_wp_page_template', true
)])){
return $template;
}
$file = plugin_dir_path(__FILE__). get_post_meta($post->ID, '_wp_page_template', true);
// Just to be safe, we check if the file exist first
if(file_exists($file)){
return $file;
}else{
echo $file;
}
return $template;
}
}
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