/core.php

<?php 
/** 
 * Facebook Fanpage Import Core Class 
 * 
 * This class initializes the Plugin. 
 * 
 * @author mahype, awesome.ug <very@awesome.ug> 
 * @package Facebook Fanpage Import 
 * @version 1.0.0 
 * @since 1.0.0 
 * @license GPL 2 
  
Copyright 2015 Awesome UG (very@awesome.ug) 
  
This program is free software; you can redistribute it and/or modify 
it under the terms of the GNU General Public License, version 2, 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA 
  
 */ 
 
if ( !defined( 'ABSPATH' ) ) exit; 
 
use skip\v1_0_0 as skip; 
  
class FacebookFanpageImport { 
    
  /** 
   * Initializes the plugin. 
   * @since 1.0.0 
   */ 
  function __construct() { 
      $this->constants(); 
      $this->includes(); 
      $this->framework(); 
       
      add_action( 'init', array( $this, 'load_components' ) ); 
      add_action( 'init', array( $this, 'load_textdomain' ) ); 
       
      // Register hooks that are fired when the plugin is activated, deactivated, and uninstalled, respectively. 
      register_activation_hook( __FILE__, array( $this, 'activate' ) ); 
      register_deactivation_hook( __FILE__, array( $this, 'deactivate' ) ); 
      // register_uninstall_hook( __FILE__, array( $this, 'uninstall' ) ); 
 
      // Functions on Frontend 
      if( is_admin() ): 
          // Register admin styles and scripts 
          add_action( 'admin_print_styles', array( $this, 'register_admin_styles' ) ); 
          add_action( 'admin_enqueue_scripts', array( $this, 'register_admin_scripts' ) ); 
      else: 
          // Register plugin styles and scripts 
          add_action( 'wp_enqueue_scripts', array( $this, 'register_plugin_styles' ) ); 
          add_action( 'wp_enqueue_scripts', array( $this, 'register_plugin_scripts' ) ); 
      endif; 
  } // end constructor 
   
  /** 
   * Fired when the plugin is activated. 
   * @param    boolean    $network_wide    True if WPMU superadmin uses "Network Activate" action, false if WPMU is disabled or plugin is activated on an individual blog 
   * @since 1.0.0  
   */ 
  public function activate( $network_wide ) { 
      // TODO:    Define activation functionality here 
  } // end activate 
   
  /** 
   * Fired when the plugin is deactivated. 
   * @param    boolean    $network_wide    True if WPMU superadmin uses "Network Activate" action, false if WPMU is disabled or plugin is activated on an individual blog  
   */ 
  public function deactivate( $network_wide ) { 
      // TODO:    Define deactivation functionality here         
  } // end deactivate 
   
  /** 
   * Fired when the plugin is uninstalled. 
   * @param    boolean    $network_wide    True if WPMU superadmin uses "Network Activate" action, false if WPMU is disabled or plugin is activated on an individual blog 
   * @since 1.0.0  
   */ 
  public function uninstall( $network_wide ) { 
      // TODO:    Define uninstall functionality here         
  } // end uninstall 
 
  /** 
   * Loads the plugin text domain for translation. 
   * @since 1.0.0 
   */ 
  public function load_textdomain() { 
      // TODO: replace "plugin-name-locale" with a unique value for your plugin 
      load_plugin_textdomain( 'fbfpi', false, FBFPI_RELATIVE_FOLDER . '/languages' ); 
  } // end plugin_textdomain 
 
  /** 
   * Registers and enqueues admin-specific styles. 
   * @since 1.0.0 
   */ 
  public function register_admin_styles() { 
      // TODO:    Change 'plugin-name' to the name of your plugin 
      wp_enqueue_style( 'fbfpi-admin-styles', FBFPI_URLPATH . '/includes/css/admin.css' ); 
   
  } // end register_admin_styles 
 
  /** 
   * Registers and enqueues admin-specific JavaScript. 
   * @since 1.0.0 
   */     
  public function register_admin_scripts() { 
      wp_enqueue_script( 'fbfpi-admin-script', FBFPI_URLPATH . '/includes/js/admin.js' ); 
   
  } // end register_admin_scripts 
   
  /** 
   * Registers and enqueues plugin-specific styles. 
   * @since 1.0.0 
   */ 
  public function register_plugin_styles() { 
      if( '' == skip\value( 'fbfpi_settings', 'own_css' ) ) 
          wp_enqueue_style( 'fbfpi-plugin-styles', FBFPI_URLPATH . '/includes/css/display.css' ); 
   
  } // end register_plugin_styles 
   
  /** 
   * Registers and enqueues plugin-specific scripts. 
   * @since 1.0.0 
   */ 
  public function register_plugin_scripts() { 
      wp_enqueue_script( 'fbfpi-plugin-script', FBFPI_URLPATH . '/includes/js/display.js' ); 
   
  } // end register_plugin_scripts 
   
  /** 
   * Defining Constants for Use in Plugin 
   * @since 1.0.0 
   */ 
  public function constants() { 
      define( 'FBFPI_FOLDER', $this->get_folder() );  
      define( 'FBFPI_RELATIVE_FOLDER', substr( FBFPI_FOLDER, strlen( WP_PLUGIN_DIR ), strlen( FBFPI_FOLDER ) ) );  
      define( 'FBFPI_URLPATH', $this->get_url_path() ); 
      define( 'FBFPI_COMPONENTFOLDER', FBFPI_FOLDER . '/components' ); 
  } 
 
  /** 
   * Defining Constants for Use in Plugin 
   * @since 1.0.0 
   */ 
  public function framework() { 
      // Loading Skip 
      include( FBFPI_FOLDER . '/includes/skip/loader.php' );  
      skip\start(); 
  }     
   
  /** 
   * Getting include files 
   * @since 1.0.0 
   */ 
  public function includes() { 
      // Loading functions 
      include( FBFPI_FOLDER . '/functions.php' ); 
  } 
 
  /** 
   * Loading components dynamical 
   * @since 1.0.0 
   */ 
  function load_components() { 
      // Loading Components 
      $handle = opendir( FBFPI_COMPONENTFOLDER ); // TODO: Rename Constant 
       
      while ( FALSE !== ( $file = readdir( $handle) ) ): 
          $entry = FBFPI_COMPONENTFOLDER . '/' . $file; 
          if( is_dir( $entry ) && '.' != $file && '..' != $file ) 
              if( file_exists( $entry . '/component.php' ) ) 
                  include( $entry . '/component.php' ); 
      endwhile; 
       
      closedir($handle); 
  } 
   
  /** 
  * Getting URL 
  * @since 1.0.0 
  */ 
  private function get_url_path() { 
      $sub_path = substr( FBFPI_FOLDER, strlen( ABSPATH ), ( strlen( FBFPI_FOLDER ) - 11 ) ); 
      $script_url = get_bloginfo( 'wpurl' ) . '/' . $sub_path; 
      return $script_url; 
  } 
   
  /** 
  * Getting Folder 
  * @since 1.0.0 
  */ 
  private function get_folder() { 
      $sub_folder = substr( dirname(__FILE__), strlen( ABSPATH ), ( strlen( dirname(__FILE__) ) - strlen( ABSPATH ) ) ); 
      $script_folder = ABSPATH . $sub_folder; 
      return $script_folder; 
  } 
   
} // end class 
 
$FacebookFanpageImport = new FacebookFanpageImport();