Current File : /home2/selectio/public_html/bharath/application/libraries/Ajax_pagination.php
<?php
if (!defined('BASEPATH'))
exit('No direct script access allowed');
/**
* Pagination Class
*
* @package CodeIgniter
* @link http://codeigniter.com/user_guide/libraries/pagination.html
*
* Modified by CodexWorld.com
* @Ajax pagination functionality has added with this library.
* @It will helps to integrate Ajax pagination with loading image in CodeIgniter application.
* @TutorialLink http://www.codexworld.com/ajax-pagination-in-codeigniter-framework/
*/
class Ajax_pagination {
var $base_url = ''; // The page we are linking to
var $total_rows = ''; // Total number of items (database results)
var $per_page = 10; // Max number of items you want shown per page
var $num_links = 2; // Number of "digit" links to show before/after the currently viewed page
var $cur_page = 0; // The current page being viewed
var $first_link = 'First';
var $next_link = '»';
var $prev_link = '«';
var $last_link = 'Last';
var $uri_segment = 3;
var $full_tag_open = '<div class="pagination">';
var $full_tag_close = '</div>';
var $first_tag_open = '';
var $first_tag_close = ' ';
var $last_tag_open = ' ';
var $last_tag_close = '';
var $cur_tag_open = ' <b>';
var $cur_tag_close = '</b>';
var $next_tag_open = ' ';
var $next_tag_close = ' ';
var $prev_tag_open = ' ';
var $prev_tag_close = '';
var $num_tag_open = ' ';
var $num_tag_close = '';
var $target = '';
var $anchor_class = '';
var $show_count = true;
var $link_func = 'getData';
var $loading = '.loading';
/**
* Constructor
* @access public
* @param array initialization parameters
*/
function CI_Pagination($params = array()) {
if (count($params) > 0) {
$this->initialize($params);
}
log_message('debug', "Pagination Class Initialized");
}
/**
* Initialize Preferences
* @access public
* @param array initialization parameters
* @return void
*/
function initialize($params = array()) {
if (count($params) > 0) {
foreach ($params as $key => $val) {
if (isset($this->$key)) {
$this->$key = $val;
}
}
}
// Apply class tag using anchor_class variable, if set.
if ($this->anchor_class != '') {
$this->anchor_class = 'class="' . $this->anchor_class . '" ';
}
}
/**
* Generate the pagination links
* @access public
* @return string
*/
function create_links() {
// If our item count or per-page total is zero there is no need to continue.
if ($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) {
$info = 'Showing : ' . $this->total_rows;
return $info;
}
// 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)) {
$this->cur_page = 0;
}
// Is the page number beyond the result range?
// If so we show the last page
if ($this->cur_page > $this->total_rows) {
$this->cur_page = ($num_pages - 1) * $this->per_page;
}
$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...
$output = '';
// SHOWING LINKS
if ($this->show_count) {
$curr_offset = $CI->uri->segment($this->uri_segment);
$info = 'Showing ' . ( $curr_offset + 1 ) . ' to ';
if (( $curr_offset + $this->per_page ) < ( $this->total_rows - 1 ))
$info .= $curr_offset + $this->per_page;
else
$info .= $this->total_rows;
$info .= ' of ' . $this->total_rows . ' | ';
$output .= $info;
}
// Render the "First" link
if ($this->cur_page > $this->num_links) {
$output .= $this->first_tag_open
. $this->getAJAXlink('', $this->first_link)
. $this->first_tag_close;
}
// Render the "previous" link
if ($this->cur_page != 1) {
$i = $uri_page_number - $this->per_page;
if ($i == 0)
$i = '';
$output .= $this->prev_tag_open
. $this->getAJAXlink($i, $this->prev_link)
. $this->prev_tag_close;
}
// Write the digit links
for ($loop = $start - 1; $loop <= $end; $loop++) {
$i = ($loop * $this->per_page) - $this->per_page;
if ($i >= 0) {
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
. $this->getAJAXlink($n, $loop)
. $this->num_tag_close;
}
}
}
// Render the "next" link
if ($this->cur_page < $num_pages) {
$output .= $this->next_tag_open
. $this->getAJAXlink($this->cur_page * $this->per_page, $this->next_link)
. $this->next_tag_close;
}
// Render the "Last" link
if (($this->cur_page + $this->num_links) < $num_pages) {
$i = (($num_pages * $this->per_page) - $this->per_page);
$output .= $this->last_tag_open . $this->getAJAXlink($i, $this->last_link) . $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;
?>
<script>
function getData(page) {
$.ajax({
method: "POST",
url: "<?php echo $this->base_url; ?>" + page,
data: {page: page},
beforeSend: function () {
$('<?php echo $this->loading; ?>').show();
},
success: function (data) {
$('<?php echo $this->loading; ?>').hide();
$('<?php echo $this->target; ?>').html(data);
}
});
}
</script>
<?php
return $output;
}
function getAJAXlink($count, $text) {
$pageCount = $count ? $count : 0;
return '<a href="javascript:void(0);"' . $this->anchor_class . ' onclick="' . $this->link_func . '(' . $pageCount . ')">' . $text . '</a>';
}
}
// END Pagination Class
Mini Shell