root/trunk/modules/forge/models/user_edit.php

<?php defined('SYSPATH') or die('No direct script access.');

class User_Edit_Model extends User_Model {

    // Overload the class
    protected $class = 'user';

    // Forge instance
    protected $form;

    public function __construct($action, $title, $id = FALSE)
    {
        // Load the user
        parent::__construct($id);

        // Create the form
        $this->form = new Forge($action, $title);

        $this->form->input('username')->label(TRUE)->rules('required|length[5,32]')->value($this->object->username);
        $this->form->input('email')->label(TRUE)->rules('required|length[5,127]|valid_email')->value($this->object->email);
        $this->form->password('password')->label(TRUE)->rules('length[5,64]');
        $this->form->password('confirm')->label(TRUE)->matches($this->form->password);

        // Make sure that the username does not already exist
        $this->form->username->callback(array($this, 'is_existing_user'));

        if ($this->object->id == 0)
        {
            // Password fields are required for new users
            $this->form->password->rules('+required');
        }

        // // Find all roles
        // $roles = new Role_Model;
        // $roles = $roles->find(ALL);
        // 
        // $options = array();
        // foreach ($roles as $role)
        // {
        //     // Add each role to the options
        //     $options[$role->name] = isset($this->roles[$role->id]);
        // }
        // 
        // // Create a checklist of roles
        // $this->form->checklist('roles')->options($options)->label(TRUE);

        // Add the save button
        $this->form->submit('Save');
    }

    public function is_existing_user($input)
    {
        if ($this->object->username == $input->value)
            return TRUE;

        if (self::$db->count_records($this->table, array('username' => $input->value)) > 0)
        {
            $input->add_error(__FUNCTION__, 'The username <strong>'.$input->value.'</strong> is already in use.');
            return FALSE;
        }

        return TRUE;
    }

    public function save()
    {
        if ($this->form->validate() AND $data = $this->form->as_array())
        {
            if (empty($data['password']))
            {
                // Remove the empty password so it's not reset
                unset($data['password'], $data['confirm']);
            }

            // Need to set this before saving
            $new_user = ($this->object->id == 0);

            // Remove the roles from data
            isset($data['roles']) and $roles = arr::remove('roles', $data);

            foreach ($data as $field => $val)
            {
                // Set object data from the form
                $this->$field = $val;
            }

            if ($status = parent::save())
            {
                // if ($new_user)
                // {
                //     foreach ($roles as $role)
                //     {
                //         // Add the user roles
                //         $this->add_role($role);
                //     }
                // }
                // else
                // {
                //     foreach (array_diff($this->roles, $roles) as $role)
                //     {
                //         // Remove roles that were deactivated
                //         $this->remove_role($role);
                //     }
                // 
                //     foreach (array_diff($roles, $this->roles) as $role)
                //     {
                //         // Add new roles
                //         $this->add_role($role);
                //     }
                // }
            }

            // Return the save status
            return $status;
        }

        return FALSE;
    }

    public function render()
    {
        // Proxy to form html
        return $this->form->render();
    }

    public function __toString()
    {
        // Proxy to form html
        return $this->form->render();
    }

} // End User Edit Model