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<?php |
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/* |
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Plugin Name: WP Ultimate Post Grid |
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Plugin URI: http://bootstrapped.ventures/wp-ultimate-post-grid/ |
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Description: Easily create filterable responsive grids for your posts, pages or custom post types |
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Version: 2.1 |
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Author: Bootstrapped Ventures |
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Author URI: http://bootstrapped.ventures |
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License: GPLv3 |
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*/ |
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define( 'WPUPG_VERSION', '2.1' ); |
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define( 'WPUPG_POST_TYPE', 'wpupg_grid' ); |
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|
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class WPUltimatePostGrid { |
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|
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private static $instance; |
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private static $instantiated_by_premium; |
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private static $addons = array(); |
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|
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/** |
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* Return instance of self |
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*/ |
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public static function get( $instantiated_by_premium = false ) |
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{ |
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// Instantiate self only once |
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if( is_null( self::$instance ) ) { |
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self::$instantiated_by_premium = $instantiated_by_premium; |
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self::$instance = new self; |
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self::$instance->init(); |
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} |
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|
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return self::$instance; |
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} |
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|
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/** |
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* Returns true if we are using the Premium version |
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*/ |
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public static function is_premium_active() |
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{ |
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return self::$instantiated_by_premium; |
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} |
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|
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/** |
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* Add loaded addon to array of loaded addons |
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*/ |
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public static function loaded_addon( $addon, $instance ) |
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{ |
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if( !array_key_exists( $addon, self::$addons ) ) { |
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self::$addons[$addon] = $instance; |
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} |
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} |
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|
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/** |
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* Returns true if the specified addon has been loaded |
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*/ |
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public static function is_addon_active( $addon ) |
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{ |
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return array_key_exists( $addon, self::$addons ); |
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} |
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|
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public static function addon( $addon ) |
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{ |
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if( isset( self::$addons[$addon] ) ) { |
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return self::$addons[$addon]; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Access a VafPress option with optional default value |
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*/ |
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public static function option( $name, $default = null ) |
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{ |
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$option = vp_option( 'wpupg_option.' . $name ); |
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|
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return is_null( $option ) ? $default : $option; |
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} |
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|
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|
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public $pluginName = 'wp-ultimate-post-grid'; |
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public $coreDir; |
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public $corePath; |
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public $coreUrl; |
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public $pluginFile; |
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|
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protected $helper_dirs = array(); |
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protected $helpers = array(); |
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|
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/** |
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* Initialize |
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*/ |
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public function init() |
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{ |
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// Load external libraries |
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if( !class_exists( 'VP_AutoLoader' ) ) { |
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require_once( 'vendor/vafpress/bootstrap.php' ); |
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} |
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|
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// Update plugin version |
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update_option( $this->pluginName . '_version', WPUPG_VERSION ); |
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|
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// Set core directory, URL and main plugin file |
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$this->corePath = str_replace( '/wp-ultimate-post-grid.php', '', plugin_basename( __FILE__ ) ); |
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$this->coreDir = apply_filters( 'wpupg_core_dir', WP_PLUGIN_DIR . '/' . $this->corePath ); |
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$this->coreUrl = apply_filters( 'wpupg_core_url', plugins_url() . '/' . $this->corePath ); |
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$this->pluginFile = apply_filters( 'wpupg_plugin_file', __FILE__ ); |
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|
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// Load textdomain |
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if( !self::is_premium_active() ) { |
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$domain = 'wp-ultimate-post-grid'; |
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$locale = apply_filters( 'plugin_locale', get_locale(), $domain ); |
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|
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load_textdomain( $domain, WP_LANG_DIR.'/'.$domain.'/'.$domain.'-'.$locale.'.mo' ); |
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load_plugin_textdomain( $domain, false, $this->corePath . '/lang/' ); |
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} |
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|
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// Add core helper directory |
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$this->add_helper_directory( $this->coreDir . '/helpers' ); |
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|
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// Migrate first if needed |
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$this->helper( 'migration' ); |
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|
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// Load required helpers |
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$this->helper( 'activate' ); |
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$this->helper( 'ajax' ); |
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$this->helper( 'content' ); |
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$this->helper( 'css' ); |
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$this->helper( 'faq' ); |
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$this->helper( 'giveaway' ); |
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$this->helper( 'grid_cache' ); |
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$this->helper( 'grid_save' ); |
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$this->helper( 'meta_box' ); |
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$this->helper( 'meta_box_post' ); |
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$this->helper( 'notices' ); |
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$this->helper( 'pagination' ); |
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$this->helper( 'plugin_action_link' ); |
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$this->helper( 'post_save' ); |
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$this->helper( 'post_type' ); |
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$this->helper( 'support_tab' ); |
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$this->helper( 'vafpress_menu' ); |
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$this->helper( 'vafpress_shortcode' ); |
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$this->helper( 'shortcodes/filter_shortcode' ); |
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$this->helper( 'shortcodes/grid_shortcode' ); |
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|
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// Include required helpers but don't instantiate |
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$this->include_helper( 'addons/addon' ); |
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$this->include_helper( 'addons/premium_addon' ); |
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$this->include_helper( 'models/grid' ); |
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|
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// Load core addons |
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$this->helper( 'addon_loader' )->load_addons( $this->coreDir . '/addons' ); |
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|
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// Load default assets |
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$this->helper( 'assets' ); |
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} |
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|
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/** |
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* Access a helper. Will instantiate if helper hasn't been loaded before. |
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*/ |
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public function helper( $helper ) |
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{ |
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// Lazy instantiate helper |
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if( !isset( $this->helpers[$helper] ) ) { |
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$this->include_helper( $helper ); |
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|
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// Get class name from filename |
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$class_name = 'WPUPG'; |
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|
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$dirs = explode( '/', $helper ); |
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$file = end( $dirs ); |
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$name_parts = explode( '_', $file ); |
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foreach( $name_parts as $name_part ) { |
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$class_name .= '_' . ucfirst( $name_part ); |
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} |
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|
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// Instantiate class if exists |
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if( class_exists( $class_name ) ) { |
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$this->helpers[$helper] = new $class_name(); |
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} |
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} |
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|
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// Return helper instance |
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return $this->helpers[$helper]; |
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} |
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|
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/** |
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* Include a helper. Looks through all helper directories that have been added. |
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*/ |
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public function include_helper( $helper ) |
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{ |
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foreach( $this->helper_dirs as $dir ) |
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{ |
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$file = $dir . '/'.$helper.'.php'; |
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|
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if( file_exists( $file ) ) { |
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require_once( $file ); |
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} |
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} |
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} |
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|
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/** |
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* Add a directory to look for helpers. |
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*/ |
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public function add_helper_directory( $dir ) |
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{ |
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if( is_dir( $dir ) ) { |
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$this->helper_dirs[] = $dir; |
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} |
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} |
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|
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/* |
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* Quick access functions |
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*/ |
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|
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public function template( $template ) |
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{ |
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return $this->addon( 'custom-templates' )->get_template( $template ); |
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} |
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} |
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|
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// Backward compatibility for older versions of WordPress |
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if( !function_exists( 'get_term_meta' ) ) { |
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function get_term_meta ( $term_id = 0, $key = '', $single = false ) { |
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return ''; |
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} |
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} |
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|
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// Premium version is responsible for instantiating if available |
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if( !class_exists( 'WPUltimatePostGridPremium' ) ) { |
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WPUltimatePostGrid::get(); |
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} |
