283 lines
9.1 KiB
PHP
283 lines
9.1 KiB
PHP
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* Code Igniter
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*
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* An open source application development framework for PHP 4.3.2 or newer
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*
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* @package CodeIgniter
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* @author Rick Ellis
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* @copyright Copyright (c) 2006, pMachine, Inc.
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* @license http://www.codeignitor.com/user_guide/license.html
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* @link http://www.codeigniter.com
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* @since Version 1.0
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* @filesource
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*/
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// ------------------------------------------------------------------------
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/**
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* Pagination Class
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category Pagination
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* @author Rick Ellis
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* @link http://www.codeigniter.com/user_guide/libraries/pagination.html
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*/
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class CI_Pagination_admin {
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var $base_url = ''; // The page we are linking to
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var $total_rows = ''; // Total number of items (database results)
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var $per_page = 10; // Max number of items you want shown per page
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var $num_links = 3; // Number of "digit" links to show before/after the currently viewed page
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var $cur_page = 0; // The current page being viewed
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var $first_link = 'First';
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var $next_link = 'Next';
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var $prev_link = 'Previous';
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var $last_link = 'Last';
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var $uri_segment = 3;
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var $full_tag_open = '';
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var $full_tag_close = '</div>';
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var $first_tag_open = '';
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var $first_tag_close = '';
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var $last_tag_open = '';
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var $last_tag_close = '';
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var $cur_tag_open = '<a class="paginate_active">';
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var $cur_tag_close = '</a>';
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var $next_tag_open = '';
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var $next_tag_close = '';
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var $prev_tag_open = '';
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var $prev_tag_close = '';
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var $num_tag_open = '';
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var $num_tag_close = '';
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var $is_ajax_paging = FALSE;
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var $query_string_segment = 'per_page';
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var $paging_function = '';
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var $action_id = '';
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var $show_count = TRUE;
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/**
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* Constructor
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*
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* @access public
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* @param array initialization parameters
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*/
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function CI_Pagination($params = array())
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{
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if (count($params) > 0)
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{
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$this->initialize($params);
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}
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log_message('debug', "Pagination Class Initialized");
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}
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// --------------------------------------------------------------------
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/**
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* Initialize Preferences
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*
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* @access public
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* @param array initialization parameters
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* @return void
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*/
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function initialize($params = array())
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{
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if (count($params) > 0)
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{
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foreach ($params as $key => $val)
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{
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if (isset($this->$key))
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{
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$this->$key = $val;
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}
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}
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}
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}
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// --------------------------------------------------------------------
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/**
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* Generate the pagination links
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*
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* @access public
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* @return string
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*/
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function create_links()
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{
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// If our item count or per-page total is zero there is no need to continue.
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if ($this->total_rows == 0 OR $this->per_page == 0)
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{
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return '';
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}
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// Calculate the total number of pages
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$num_pages = intval($this->total_rows / $this->per_page);
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// Use modulus to see if our division has a remainder.If so, add one to our page number.
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if ($this->total_rows % $this->per_page)
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{
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$num_pages++;
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}
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// Is there only one page? Hm... nothing more to do here then.
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if ($num_pages == 1)
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{
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return '';
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}
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if($this->is_ajax_paging == TRUE)
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{
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//echo $paging_function ;
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$paging_function = 'onclick="javascript:'.$this->paging_function.'();return false;" ';
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//$paging_function = 'onclick="javascript:'.$paging_function.'();return false;"';
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}
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else{
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$paging_function = '';
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}
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// Determine the current page number.
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$obj =& get_instance();
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if ($obj->uri->segment($this->uri_segment) != 0)
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{
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$this->cur_page = $obj->uri->segment($this->uri_segment);
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}
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if ( ! is_numeric($this->cur_page))
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{
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$this->cur_page = 0;
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}
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$uri_page_number = $this->cur_page;
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$this->cur_page = floor(($this->cur_page/$this->per_page) + 1);
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// Calculate the start and end numbers. These determine
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// which number to start and end the digit links with
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$start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
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$end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
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// Add a trailing slash to the base URL if needed
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$this->base_url = preg_replace("/(.+?)\/*$/", "\\1/", $this->base_url);
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// And here we go...
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$output = '';
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// SHOWING LINKS
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if ($this->show_count)
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{
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$curr_offset = $obj->uri->segment($this->uri_segment);
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$info = '<div class="dataTables_info" id="example_info">Showing' . ( $curr_offset + 1 ) . ' to ' ;
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if( ( $curr_offset + $this->per_page ) < ( $this->total_rows -1 ) )
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$info .= $curr_offset + $this->per_page;
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else
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$info .= $this->total_rows;
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$info .= ' of ' . $this->total_rows . ' entries </div><div class="dataTables_paginate paging_full_numbers">';
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$output .= $info;
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}
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// Render the "First" link
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if ($this->cur_page > $this->num_links)
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{
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// $output .= $this->first_tag_open.'<a onclick="'.$this->paging_function.'(0);" href="#">'.$this->first_link.'</a>'.$this->first_tag_close;
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$output .= $this->first_tag_open.'<a onclick="'.$this->paging_function.'(0);" class="first paginate_button paginate_button_disabled" href="#">First</a>'.$this->first_tag_close;
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}
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// Render the "previous" link
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if (($this->cur_page - $this->num_links) >= 0)
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{
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$i = $uri_page_number - $this->per_page;
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if ($i == 0) $i = '';
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// $output .= $this->prev_tag_open.'<a '.$paging_function.'href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
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if($this->action_id!=""){
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if($i=="")
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$pg_prev = 0;
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else
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$pg_prev = $i;
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$output .= $this->prev_tag_open.'<a onclick="'.$this->paging_function.'('.$pg_prev.','.$this->action_id.');" href="#" class="previous paginate_button paginate_button_disabled">'.$this->prev_link.'</a>'.$this->prev_tag_close;
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}
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else{
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$output .= $this->prev_tag_open.'<a onclick="'.$this->paging_function.'('.$i.');" href="#" class="previous paginate_button paginate_button_disabled">'.$this->prev_link.'</a>'.$this->prev_tag_close;
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}
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}
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// Write the digit links
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$output .= '<span>';
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for ($loop = $start -1; $loop <= $end; $loop++)
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{
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$i = ($loop * $this->per_page) - $this->per_page;
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if ($i >= 0)
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{
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if ($this->cur_page == $loop)
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{
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$output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
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}
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else
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{
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$n = ($i == 0) ? '' : $i;
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// $output .= $this->num_tag_open.'<a '.$paging_function.'href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close;
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if($this->action_id!=""){
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if($n=="")
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$pg = 0;
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else
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$pg = $n;
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$output .= $this->num_tag_open.'<a onclick="'.$this->paging_function.'('.$pg.','.$this->action_id.');" class="paginate_button" href="#">'.$loop.'</a>'.$this->num_tag_close;
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}
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else{
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$output .= $this->num_tag_open.'<a onclick="'.$this->paging_function.'('.$n.');" class="paginate_button" href="#">'.$loop.'</a>'.$this->num_tag_close;
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}
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}
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}
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}
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$output .= '</span>';
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// Render the "next" link
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if ($this->cur_page < $num_pages)
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{
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// $output .= $this->next_tag_open.'<a '.$paging_function.'href="'.$this->base_url.($this->cur_page * $this->per_page).'">'.$this->next_link.'</a>'.$this->next_tag_close;
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if($this->action_id!="")
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$output .= $this->next_tag_open.'<a onclick="'.$this->paging_function.'('.($this->cur_page * $this->per_page).','.$this->action_id.');" href="#" class="next paginate_button">'.$this->next_link.'</a>'.$this->next_tag_close;
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else
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$output .= $this->next_tag_open.'<a onclick="'.$this->paging_function.'('.($this->cur_page * $this->per_page).');" href="#" class="next paginate_button">'.$this->next_link.'</a>'.$this->next_tag_close;
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}
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// Render the "Last" link
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if (($this->cur_page + $this->num_links) < $num_pages)
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{
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$i = (($num_pages * $this->per_page) - $this->per_page);
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// $output .= $this->last_tag_open.'<a '.$paging_function.'href="'.$this->base_url.$i.'">'.$this->last_link.'</a>'.$this->last_tag_close;
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//$output .= $this->last_tag_open.'<a onclick="'.$this->paging_function.'('.$i.');" href="#">'.$this->last_link.'</a>'.$this->last_tag_close;
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$output .= $this->last_tag_open.'<a onclick="'.$this->paging_function.'('.$i.');" href="#">Last</a>'.$this->last_tag_close;
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}
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// Kill double slashes. Note: Sometimes we can end up with a double slash
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// in the penultimate link so we'll kill all double shashes.
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//$output = preg_replace("#([^:])//+#", "\\1/", $output);
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// Add the wrapper HTML if exists
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$output = $this->full_tag_open.$output.$this->full_tag_close;
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return $output;
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}
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}
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// END Pagination Class
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?>
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