อยากเขียนแบบ MVC โดยไม่ใช้เฟรมเวิร์คทำได้ไหมครับ ไม่รู้ว่าต้องออกแบบยังไงบ้างอ่ะครับ

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

class Controller_Manage_ManageTemplate extends Controller_Template
{
	public $template = 'templates/manage';
	public $head_data = array();
	
	public function before()
	{
		parent::before();
		
		if ( ! User::is_admin())
		{
			$this->request->redirect(URL::site('manage/hahaha'));
		}
		
		if ($this->auto_render)
		{
			$this->template->title = '';
			$this->template->meta_keywords = '';
			$this->template->meta_description = '';
			$this->template->favicon = array(
				'href' => URL::base().'assets/image/icon.ico',
				'type' =>'image/png'
			);
			$this->template->body = '';
			$this->template->styles = array();
			$this->template->scripts = array();
		}
	}
	
	public function after()
	{
		if ($this->auto_render)
		{
			$styles = array(
				'assets/css/manage.css' => 'screen',
				'assets/css/blueprint/ie.css' => 'screen',
				'assets/css/blueprint/print.css' => 'print',
				'assets/css/blueprint/screen.css' => 'screen',
			);
			
			$scripts = array(
				'assets/js/default.js',
				'assets/js/jquery-1.4.2.min.js',
			);
			
			$this->template->styles = array_reverse(array_merge($this->template->styles, $styles));
			$this->template->scripts = array_reverse(array_merge($this->template->scripts, $scripts));
			
			parent::after();
		}
		
		User::add_admin_cookie_time();
	}
}

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

class Controller_Manage_EmployContact extends Controller_Manage_ManageTemplate
{

	public function action_index()
	{
		$this->template->title = 'PJGUNNER Management System: Employ &amp; Contact';
		$this->template->body = View::factory('manage/employcontact')
			->set('employ_list', Request::factory('manage/employcontact/employlist')->execute()->response)
			->set('contact_list', Request::factory('manage/employcontact/contactlist')->execute()->response);
	}
	
	public function action_employlist()
	{
		$model = new Model_Manage_EmployContact;
		
		$this->request->response = View::factory('manage/employlist')
			->set('employs', $model->get_employs());
		
		$this->auto_render = FALSE;
	}
	
	public function action_contactlist()
	{
		$model = new Model_Manage_EmployContact;
		
		$this->request->response = View::factory('manage/contactlist')
			->set('contacts', $model->get_contacts());
		
		$this->auto_render = FALSE;
	}
	
	public function action_employinfo($id)
	{
		$model = new Model_Manage_EmployContact;
		
		$data = $model->get_employinfo($id);
		if ( ! empty($data))
		{
			$this->request->response = View::factory('manage/employinfo', $data[0]);
			$model->set_red_employ($id);
		}
		
		$this->auto_render = FALSE;
	}
	
	public function action_contactinfo($id)
	{
		$model = new Model_Manage_EmployContact;
		
		$data = $model->get_contactinfo($id);
		if ( ! empty($data))
		{
			$this->request->response = View::factory('manage/contactinfo', $data[0]);
			$model->set_red_contact($id);
		}
		
		$this->auto_render = FALSE;
	}
}

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

class Model_Manage_EmployContact extends Kohana_Model
{

	public function get_employs()
	{
		$sql = "SELECT * FROM employ ORDER BY employ_id DESC";
		
		return $this->_db->query(Database::SELECT, $sql, FALSE)
			->as_array();
	}
	
	public function get_contacts()
	{
		$sql = "SELECT * FROM contact ORDER BY contact_id DESC";
		
		return $this->_db->query(Database::SELECT, $sql, FALSE)
			->as_array();
	}
	
	public function get_employinfo($id)
	{
		$sql = sprintf(
			"SELECT * FROM employ ".
			"WHERE ".
			"employ_id = %d",
			(int) $id
		);
		
		return $this->_db->query(Database::SELECT, $sql, FALSE)
			->as_array();
	}
	
	public function set_red_employ($id)
	{
		$sql = sprintf(
			"UPDATE employ ".
			"SET ".
			"employ_status = 1 ".
			"WHERE ".
			"employ_id = %d",
			(int) $id
		);
		
		return ($this->_db->query(Database::UPDATE, $sql, FALSE) > 0)
			? TRUE
			: FALSE;
	}
	
	public function get_contactinfo($id)
	{
		$sql = sprintf(
			"SELECT * FROM contact ".
			"WHERE ".
			"contact_id = %d",
			(int) $id
		);
		
		return $this->_db->query(Database::SELECT, $sql, FALSE)
			->as_array();
	}
	
	public function set_red_contact($id)
	{
		$sql = sprintf(
			"UPDATE contact ".
			"SET ".
			"contact_status = 1 ".
			"WHERE ".
			"contact_id = %d",
			(int) $id
		);
		
		return ($this->_db->query(Database::UPDATE, $sql, FALSE) > 0)
			? TRUE
			: FALSE;
	}

}

	<div id="body-section">
		<h3>Employ &amp; Contact</h3>
		<div class="span-7 colborder">
			<div class="border-all round-border">
				<div class="subhead">Employ</div>
				<ul class="employ">
					<?php echo $employ_list;?>
				</ul>
			</div>
			<br />
			<div class="border-all round-border">
				<div class="subhead">Contact</div>
				<ul class="contact">
					<?php echo $contact_list;?>
				</ul>
			</div>
		</div>
		<div id="display-content" class="span-16 last">
			<h3>Please select one.</h3>
		</div>
	</div>
	<script type="text/javascript">
	var loading = '<h3>loading..</h3>';
	
	$(document).ready(function()
	{
		$('a[employ_id]').click(function()
		{
			var this_element = this;
			var uri = '<?php echo URL::site('manage/employcontact/employinfo');?>' + '/' + $(this).attr('employ_id');
			
			$('#display-content')
				.html(loading)
				.load(uri, function(text, text_status, xhr)
				{
					if (text_status == 'error')
					{
						$(this).html('<h3>Load error. Try again.</h3>' + 'Status: ' + xhr.status)
						.css('cursor', 'pointer')
						.click(function()
						{
							$(this_element).click();
						});
					}
				});
		});
		
		$('a[contact_id]').click(function()
		{
			var this_element = this;
			var uri = '<?php echo URL::site('manage/employcontact/contactinfo');?>' + '/' + $(this).attr('contact_id');
			
			$('#display-content')
				.html(loading)
				.load(uri, function(text, text_status, xhr)
				{
					if (text_status == 'error')
					{
						$(this).html('<h3>Load error. Try again.</h3>' + 'Status: ' + xhr.status)
						.css('cursor', 'pointer')
						.click(function()
						{
							$(this_element).click();
						});
					}
				});
		});
	});
	</script>

<h3>Employ Info: #<?php echo $employ_id;?></h3>
<p class="about-info">
	<strong>Date</strong>: <?php echo $employ_datetime;?><br />
	<strong>By</strong>: <?php echo $employ_name;?><br />
	<strong>Contact</strong>: <?php echo Text::auto_link($employ_contact);?><br />
	<strong>Type</strong>: <?php echo $employ_type;?><br />
	<strong>Attach file</strong>: <?php echo is_null($employ_file) ? 'None' : HTML::anchor(URL::site('employ_file/'.$employ_file), 'Download');?>
</p>
<p><?php echo Text::auto_p(Text::auto_link($employ_detail));?></p>

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