woocommerce/classes/shipping/class-wc-international-delivery.php

<?php
/**
 * International Shipping Method based on Flat Rate shipping
 * 
 * A simple shipping method for a flat fee per item or per order.
 *
 * @class 		WC_International_Delivery
 * @package		WooCommerce
 * @category	Shipping
 * @author		WooThemes
 */  
class WC_International_Delivery extends WC_Flat_Rate {
	
	var $id = 'international_delivery';

	function __construct() { 
       
        $this->id 						= 'international_delivery';
        $this->method_title 			= __('International Delivery', 'woocommerce');

		$this->flat_rate_option	 		= 'woocommerce_international_delivery_flat_rates';
		$this->admin_page_heading 		= __('International Delivery', 'woocommerce');
		$this->admin_page_description 	= __('International delivery based on flat rate shipping.', 'woocommerce');
    	
    	$this->init();
    } 

	/**
     * Initialise Gateway Settings Form Fields
     */
    function init_form_fields() {
    	global $woocommerce;
    
    	$this->form_fields = array(
			'enabled' => array(
							'title' 		=> __( 'Enable/Disable', 'woocommerce' ), 
							'type' 			=> 'checkbox', 
							'label' 		=> __( 'Enable this shipping method', 'woocommerce' ), 
							'default' 		=> 'no'
						), 
			'title' => array(
							'title' 		=> __( 'Method Title', 'woocommerce' ), 
							'type' 			=> 'text', 
							'description' 	=> __( 'This controls the title which the user sees during checkout.', 'woocommerce' ), 
							'default'		=> __( 'International Delivery', 'woocommerce' )
						),
			'availability' => array(
							'title' 		=> __( 'Availability', 'woocommerce' ), 
							'type' 			=> 'select', 
							'description' 	=> '', 
							'default' 		=> 'including',
							'options' 		=> array(
								'including' 	=> __('Selected countries', 'woocommerce'),
								'excluding' 	=> __('Excluding selected countries', 'woocommerce'),
							)
						),
			'countries' => array(
							'title' 		=> __( 'Countries', 'woocommerce' ), 
							'type' 			=> 'multiselect', 
							'class'			=> 'chosen_select',
							'css'			=> 'width: 450px;',
							'default' 		=> '',
							'options'		=> $woocommerce->countries->countries
						),
			'type' => array(
							'title' 		=> __( 'Calculation Type', 'woocommerce' ), 
							'type' 			=> 'select', 
							'description' 	=> '', 
							'default' 		=> 'order',
							'options' 		=> array(
								'order' 	=> __('Per Order - charge shipping for the entire order as a whole', 'woocommerce'),
								'item' 		=> __('Per Item - charge shipping for each item individually', 'woocommerce'),
								'class' 	=> __('Per Class - charge shipping for each shipping class in an order', 'woocommerce')
							)
						),
			'tax_status' => array(
							'title' 		=> __( 'Tax Status', 'woocommerce' ), 
							'type' 			=> 'select', 
							'description' 	=> '', 
							'default' 		=> 'taxable',
							'options'		=> array(
								'taxable' 	=> __('Taxable', 'woocommerce'),
								'none' 		=> __('None', 'woocommerce')
							)
						),
			'cost' => array(
							'title' 		=> __( 'Default Cost', 'woocommerce' ), 
							'type' 			=> 'text', 
							'description'	=> __('Cost excluding tax. Enter an amount, e.g. 2.50.', 'woocommerce'),
							'default' 		=> ''
						), 
			'fee' => array(
							'title' 		=> __( 'Default Handling Fee', 'woocommerce' ), 
							'type' 			=> 'text', 
							'description'	=> __('Fee excluding tax. Enter an amount, e.g. 2.50, or a percentage, e.g. 5%. Leave blank to disable.', 'woocommerce'),
							'default'		=> ''
						),
			);
    
    } // End init_form_fields()


	/**
     * Availability
     */
    function is_available() {
    	global $woocommerce;
    	
    	if ($this->enabled=="no") return false;
		
		if ($this->availability=='including') :
			
			if (is_array($this->countries)) :
				if (!in_array($woocommerce->customer->get_shipping_country(), $this->countries)) return false;
			endif;
			
		else :
			
			if (is_array($this->countries)) :
				if (in_array($woocommerce->customer->get_shipping_country(), $this->countries)) return false;
			endif;
			
		endif;
		
		return apply_filters( 'woocommerce_shipping_' . $this->id . '_is_available', true );
    } 
    
}

function add_international_delivery_method( $methods ) {
	$methods[] = 'WC_International_Delivery'; return $methods;
}

add_filter('woocommerce_shipping_methods', 'add_international_delivery_method' );