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<?php |
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/** |
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* Class to load addon functionality. |
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* |
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* @package Charitable/Classes/Charitable_Addons |
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* @version 1.0.0 |
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* @author Eric Daams |
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* @copyright Copyright (c) 2015, Studio 164a |
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* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License |
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*/ |
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|
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// Exit if accessed directly |
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if ( ! defined( 'ABSPATH' ) ) exit; |
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|
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if ( ! class_exists( 'Charitable_Addons' ) ) : |
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|
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/** |
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* Charitable_Addons |
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* |
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* @since 1.0.0 |
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*/ |
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class Charitable_Addons { |
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|
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/** |
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* Load addons. This is executed before the charitable_start hook |
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* to allow addons to hook into that. |
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* |
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* @param Charitable $charitable |
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* @return void |
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* @access public |
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* @static |
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* @since 1.0.0 |
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*/ |
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public static function load( Charitable $charitable ) { |
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if ( $charitable->started() ) { |
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return; |
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} |
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|
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new Charitable_Addons(); |
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} |
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|
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/** |
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* Create class object. |
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* |
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* @access private |
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* @since 1.0.0 |
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*/ |
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private function __construct() { |
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add_action( 'charitable_activate_addon', array( $this, 'activate_addon' ) ); |
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add_action( 'after_setup_theme', array( $this, 'load_addons' ) ); |
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|
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do_action( 'charitable_addons_start', $this ); |
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} |
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|
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/** |
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* Activate an addon. |
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* |
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* This is programatically called on the charitable_activate_addon hook, |
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* triggered by a plugin. |
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* |
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* @return void |
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* @access public |
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* @since 1.0.0 |
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*/ |
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public function activate_addon( $addon ) { |
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/* This method should only be called on the charitable_activate_addon hook */ |
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if ( 'charitable_activate_addon' !== current_filter() ) { |
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return; |
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} |
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|
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$filepath = $this->get_addon_filepath( $addon ); |
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|
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/* If we cannot read the file, bounce back with an error. */ |
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if ( ! file_exists( $filepath ) || ! is_readable( $filepath ) ) { |
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// _doing_it_wrong( __METHOD__, sprintf( 'File %s does not exist or is not readable', $filepath ), '1.0.0' ); |
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return; |
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} |
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|
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$this->load_addon_dependencies(); |
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|
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require_once( $filepath ); |
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|
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$class = $this->get_addon_class( $addon ); |
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|
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/* Call the Addon's activate method */ |
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call_user_func( array( $class, 'activate' ) ); |
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} |
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|
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/** |
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* Load activated addons. |
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* |
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* @return void |
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* @access public |
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* @since 1.0.0 |
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*/ |
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public function load_addons() { |
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$active_addons = apply_filters( 'charitable_active_addons', array() ); |
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|
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if ( empty( $active_addons ) ) { |
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return; |
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} |
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|
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$this->load_addon_dependencies(); |
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|
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foreach ( $active_addons as $addon ) { |
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|
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$filepath = $this->get_addon_filepath( $addon ); |
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|
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if ( ! file_exists( $filepath ) || ! is_readable( $filepath ) ) { |
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// _doing_it_wrong( __METHOD__, sprintf( 'File %s does not exist or is not readable', $filepath ), '1.0.0' ); |
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continue; |
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} |
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|
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require_once( $filepath ); |
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|
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/* Call the Addon's load method */ |
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call_user_func( array( $this->get_addon_class( $addon ), 'load' ) ); |
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} |
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|
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do_action( 'charitable_addons_loaded', $active_addons ); |
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} |
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|
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/** |
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* Load interface and abstract classes that addons use. |
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* |
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* @return void |
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* @access private |
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* @since 1.0.0 |
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*/ |
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private function load_addon_dependencies() { |
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require_once( charitable()->get_path( 'includes' ) . 'addons/interface-charitable-addon.php' ); |
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} |
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|
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/** |
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* Return the filepath to the given addon. |
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* |
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* @param string $addon |
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* @return string |
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* @access private |
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* @since 1.0.0 |
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*/ |
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private function get_addon_filepath( $addon ) { |
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return charitable()->get_path( 'includes' ) . "addons/{$addon}/class-{$addon}.php"; |
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} |
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|
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/** |
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* Get class name of addon. |
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* |
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* @param string $addon |
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* @return string |
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* @access private |
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* @since 1.0.0 |
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*/ |
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private function get_addon_class( $addon ) { |
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$class = str_replace( '-', ' ', $addon ); |
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$class = ucfirst( $class ); |
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$class = str_replace( ' ', '_', $class ); |
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return $class; |
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} |
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} |
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|
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endif; // End class_exists check |
