<?php

class   pagination extends Ci_model

{

	public $num, $page, $result, $posts, $total, $start;

	

	public function init ($opt=array())

	{

		foreach ($opt as $key => $value)

		{

			$this->$key=$value;

		}



		$this->total = intval(($this->posts - 1) / $this->num) + 1;

		if(empty($this->page) or $this->page < 0) $this->page = 1;

		if($this->page > $this->total) $this->page = $this->total;

		$this->start = $this->page * $this->num - $this->num;

	}

	

	public function display ($url)

	{

		if ($this->page != 1 )

		$pervpage = '<a class="normal" href="'.$url.'1">Начало</a><a class="normal" href="'.$url.($this->page - 1).'">'.($this->page - 1).'</a> ';

		else $pervpage='';

	

		if ($this->page != $this->total) 

		$nextpage = '<a class="normal" href="'.$url.($this->page+1).'">'.($this->page+1).'</a><a class="normal" href="'.$url.$this->total.'">Конец</a>';

		else $nextpage='';

		

		if($this->page - 2 > 0 )

		$page2left = '<a class="normal" href="'.$url.($this->page - 2).'">'.($this->page-2).'</a>';

		else $page2left='';



		if($this->page - 1 > 0 )

		$page1left = '<a class="normal" href="'.$url.($this->page - 1).'">'.($this->page - 1).'</a>'; 

		else $page1left='';



		if($this->page + 2 <= $this->total) 

		$page2right = '<a class="normal" href="'.$url.($this->page + 2).'">'.($this->page + 2).'</a>';

		else $page2right='';		



		if($this->page + 1 <= $this->total) 

		$page1right = '<a class="normal" href="'.$url.($this->page + 1 ).'">'. ($this->page + 1).'</a>';

		else $page1right='';

		

		$this->page='<a href="'.$url.$this->page.'" class="active">'.$this->page.'</a>';

		if ($this->total <= $this->num)

		return '<div class="page">'.$pervpage.$page2left.$page1left.$this->page.$page1right.$page2right.$nextpage.'</div>'; 

	}

}