<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class MY_Pagination extends CI_Pagination 
{

	function __construct($params = array())
	{
		parent::__construct($params);
	}
	
	function initialize($params = array())
	{
		parent::initialize($params);
	}
	
	function create_links($use_offsets = false)
	{
		if ($use_offsets)
			return parent::create_links();
		else
			return $this->create_links_without_offsets();
	}
	
	function create_links_without_offsets()
	{
		// If our item count or per-page total is zero there is no need to continue.
		if ($this->total_rows == 0 OR $this->per_page == 0)
		{
		   return '';
		}

		// Calculate the total number of pages
		$num_pages = ceil($this->total_rows / $this->per_page);

		// Is there only one page? Hm... nothing more to do here then.
		if ($num_pages == 1)
		{
			return '';
		}
		
		// Determine the current page number.		
		$CI =& get_instance();	
		if ($CI->uri->segment($this->uri_segment) != 0)
		{
			$this->cur_page = $CI->uri->segment($this->uri_segment);
			
			// Prep the current page - no funny business!
			$this->cur_page = (int) $this->cur_page;
		}

		$this->num_links = (int)$this->num_links;
		
		if ($this->num_links < 1)
		{
			show_error('Your number of links must be a positive number.');
		}
				
		if ( ! is_numeric($this->cur_page))
		{
			$this->cur_page = 1;
		}
		
		// make sure cur_page is atleast 1
		if ($this->cur_page < 1) {
			$this->cur_page = 1;
		} 

		// Is the page number beyond the result range?
		// If so we show the last page
		if ($this->cur_page > $num_pages)
		{
			$this->cur_page = $num_pages;
		}
		
		$uri_page_number = $this->cur_page;
		//$this->cur_page = floor(($this->cur_page/$this->per_page) + 1);
		
		// Calculate the start and end numbers. These determine
		// which number to start and end the digit links with
		$start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
		$end   = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;

		// Add a trailing slash to the base URL if needed
		$this->base_url = rtrim($this->base_url, '/') .'/';

  		// And here we go...
		$output = '';

		// Render the "First" link
		if  ($this->cur_page > $this->num_links)
		{
			$output .= $this->first_tag_open.'<a href="'.$this->base_url.'/1/'.$this->suffix.'">'.$this->first_link.'</a>'.$this->first_tag_close;
		}

		// Render the "previous" link
		if  ($this->cur_page > 1)
		{
			$i = $uri_page_number - 1;
			//if ($i == 1) $i = '';
			$output .= $this->prev_tag_open.'<a href="'.$this->base_url.$i.'/'.$this->suffix.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
		}

		// Write the digit links
		for ($loop = $start -1; $loop <= $end; $loop++)
		{
			$i = $loop;
					
			if ($i >= 1)
			{
				if ($this->cur_page == $loop)
				{
					$output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
				}
				else
				{
					$n = ($i == 0) ? '' : $i;
					$output .= $this->num_tag_open.'<a href="'.$this->base_url.$n.'/'.$this->suffix.'">'.$loop.'</a>'.$this->num_tag_close;
				}
			}
		}

		// Render the "next" link
		if ($this->cur_page < $num_pages)
		{
			$output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page + 1).'/'.$this->suffix.'">'.$this->next_link.'</a>'.$this->next_tag_close;
		}

		// Render the "Last" link
		if (($this->cur_page + $this->num_links) < $num_pages)
		{
			$i = $num_pages;
			$output .= $this->last_tag_open.'<a href="'.$this->base_url.$i.'/'.$this->suffix.'">'.$this->last_link.'</a>'.$this->last_tag_close;
		}

		// Kill double slashes.  Note: Sometimes we can end up with a double slash
		// in the penultimate link so we'll kill all double slashes.
		$output = preg_replace("#([^:])//+#", "\\1/", $output);

		// Add the wrapper HTML if exists
		$output = $this->full_tag_open.$output.$this->full_tag_close;
		
		return $output;	
	}

}
// END Pagination Class

/* End of file MY_Pagination.php */