root/trunk/modules/forge/libraries/Form_Phonenumber.php

<?php defined('SYSPATH') or die('No direct script access.');
/**
 * FORGE phone number input library.
 *
 * $Id$
 *
 * @package    Forge
 * @author     Kohana Team
 * @copyright  (c) 2007-2008 Kohana Team
 * @license    http://kohanaphp.com/license.html
 */
class Form_Phonenumber_Core extends Form_Input {

    protected $data = array
    (
        'name'  => '',
        'class' => 'phone_number',
    );

    protected $protect = array('type');

    // Precision for the parts, you can use @ to insert a literal @ symbol
    protected $parts = array
    (
        'area_code'   => '',
        'exchange'     => '',
        'last_four'    => '',
    );

    public function __construct($name)
    {
        // Set name
        $this->data['name'] = $name;
    }

    public function __call($method, $args)
    {
        if (isset($this->parts[substr($method, 0, -1)]))
        {
            // Set options for date generation
            $this->parts[substr($method, 0, -1)] = $args;
            return $this;
        }

        return parent::__call($method, $args);
    }

    public function html_element()
    {
        // Import base data
        $data = $this->data;

        $input = '';
        foreach ($this->parts as $type => $val)
        {
            isset($data['value']) OR $data['value'] = '';
            $temp = $data;
            $temp['name'] = $this->data['name'].'['.$type.']';
            $offset = (strlen($data['value']) == 10) ? 0 : 3;
            switch ($type)
            {
                case 'area_code':
                    if (strlen($data['value']) == 10)
                    {
                        $temp['value'] = substr($data['value'], 0, 3);
                    }
                    else
                        $temp['value'] = '';
                    $temp['class'] = 'area_code';
                    $input .= form::input(array_merge(array('value' => $val), $temp)).'-';
                    break;
                case 'exchange':
                    $temp['value'] = substr($data['value'], (3-$offset), 3);
                    $temp['class'] = 'exchange';
                    $input .= form::input(array_merge(array('value' => $val), $temp)).'-';
                    break;
                case 'last_four':
                    $temp['value'] = substr($data['value'], (6-$offset), 4);
                    $temp['class'] = 'last_four';
                    $input .= form::input(array_merge(array('value' => $val), $temp));
                    break;
            }
            
        }

        return $input;
    }

    protected function load_value()
    {
        if (is_bool($this->valid))
            return;

        $data = $this->input_value($this->name, $this->data['name']);

        $this->data['value'] = $data['area_code'].$data['exchange'].$data['last_four'];
    }
} // End Form Phonenumber