<?php
/**
* @author Mubashir Ali
* @category Pagination
* @copyright - GNU
* @since 05-04-2012
* @version 1.0
*/
class CompletePagination
{
private $rows_per_page;
private $url;
private $page_no;
public $total_rows;
public $show_dropdown;
public $show_total_records;
public $show_page_no;
public $show_ellipsis = 9; //Show ... if total pages are more than 10
/**
*
* @param int $rperpage - show the record per page
* @param int $totrows - total records
*/
public function __construct($rperpage, $totrows = "")
{
$this->rows_per_page = $rperpage;
$this->total_rows = $totrows;
$this->setPageNumber();
$this->generateCompleteURL();
}
/**
* This function sets the pageNumber
*/
private function setPageNumber()
{
if($_POST)
$this->page_no = 1;
else
{
if (!isset($_REQUEST['page_no']) && @$_REQUEST['page_no'] == "")
$this->page_no = 1;
else
$this->page_no = $_REQUEST['page_no'];
}
}
/**
* This function gets the limit of pagination
* @return int
*/
public function getLimit()
{
return ($this->page_no - 1) * $this->rows_per_page;
}
/**
* This function generates the complete URL along with the query string
*/
private function generateCompleteURL()
{
$page_query = (count($_REQUEST) == 0 ? "page_no=" : "&page_no=");
if (isset($_REQUEST['page_no']))
unset($_REQUEST['page_no']);
$this->url = filter_var($_SERVER['PHP_SELF'], FILTER_SANITIZE_STRING) . "?" . http_build_query($_REQUEST) . $page_query;
}
/**
* This function returns the last page, that is generates as the result of Pagination
* @return int
*/
private function getLastPage()
{
return ceil($this->total_rows / $this->rows_per_page);
}
/**
* This function generates the DropDown for Pagination
* @return string
*/
private function generateDropdown()
{
if ($this->total_rows == 0)
return "";
$str = "";
$str .= '<select name="drp_page_no" id="drp_page_no" onchange="document.location.href = this.value;">';
for ($cnt = 1; $cnt <= $this->getLastPage(); $cnt++)
{
if (isset($this->page_no) && $this->page_no == $cnt)
$str .= '<option value="' . $this->url . $cnt . '" selected="selected">' . $cnt . '</option>';
else
$str .= '<option value="' . $this->url . $cnt . '">' . $cnt . '</option>';
}
$str .= '</select>';
return $str;
}
/**
* This function actually generates the complete pagination
* @return string
*/
public function showCompletePagination()
{
$pagination = "";
$lpm1 = $this->getLastPage() - 1;
$page = $this->page_no;
$prev = $this->page_no - 1;
$next = $this->page_no + 1;
$pagination .= "<div class=\"pagination\"";
if (@$margin || @$padding)
{
$pagination .= " style=\"";
if ($margin)
$pagination .= "margin: $margin;";
if ($padding)
$pagination .= "padding: $padding;";
$pagination .= "\"";
}
if ($this->show_total_records)
$pagination .= "><span class='tableStandardBold' style='margin-right:50px;'> Total Number of record(s) found: " . $this->total_rows . " </span>";
else
$pagination .= ">";
if ($this->getLastPage() > 1)
{
if ($page > 1)
{
$pagination .= "<a href={$this->url}1>« first</a>";
$pagination .= "<a href=$this->url$prev>‹ prev</a>";
}
else
{
$pagination .= "<span class=\"disabled\">« first</span>";
$pagination .= "<span class=\"disabled\">‹ prev</span>";
}
if ($this->getLastPage() < $this->show_ellipsis)
{
for ($counter = 1; $counter <= $this->getLastPage(); $counter++)
{
if ($counter == $page)
$pagination .= "<span class=\"current\">" . $counter . "</span>";
else
$pagination .= "<a href=$this->url$counter>" . $counter . "</a>";
}
}
elseif ($this->getLastPage() >= $this->show_ellipsis)
{
if ($page < 4)
{
for ($counter = 1; $counter < 6; $counter++)
{
if ($counter == $page)
$pagination .= "<span class=\"current\">" . $counter . "</span>";
else
$pagination .= "<a href=\"$this->url$counter\">" . $counter . "</a>";
}
$pagination .= "...";
$pagination .= "<a href=$this->url$lpm1>" . $lpm1 . "</a>";
$pagination .= "<a href={$this->url}{$this->getLastPage()}>" . $this->getLastPage() . "</a>";
}
elseif ($this->getLastPage() - 3 > $page && $page > 1)
{
$pagination .= "<a href={$this->url}1>1</a>";
$pagination .= "<a href={$this->url}2>2</a>";
$pagination .= "...";
for ($counter = $page - 1; $counter <= $page + 1; $counter++) {
if ($counter == $page)
$pagination .= "<span class=\"current\">" . $counter . "</span>";
else
$pagination .= "<a href=$this->url$counter>" . $counter . "</a>";
}
$pagination .= "...";
$pagination .= "<a href=$this->url$lpm1>$lpm1</a>";
$pagination .= "<a href={$this->url}{$this->getLastPage()}>" . $this->getLastPage() . "</a>";
}
else
{
$pagination .= "<a href={$this->url}1>1</a>";
$pagination .= "<a href={$this->url}2>2</a>";
$pagination .= "...";
for ($counter = $this->getLastPage() - 4; $counter <= $this->getLastPage(); $counter++)
{
if ($counter == $page)
$pagination .= "<span class=\"current\">" . $counter . "</span>";
else
$pagination .= "<a href=$this->url$counter>" . $counter . "</a>";
}
}
}
if ($page < $counter - 1)
{
$pagination .= "<a href=$this->url$next>next ›</a>";
$pagination .= "<a href={$this->url}{$this->getLastPage()}>last »</a>";
}
else
{
$pagination .= "<span class=\"disabled\">next ›</span>";
$pagination .= "<span class=\"disabled\">last »</span>";
}
if ($this->show_dropdown)
$pagination .= "<span class='tableStandardBold' style='margin-left:20px;'>Go to page: " . $this->generateDropdown() . "</span>\n";
if ($this->show_page_no)
{
$page = 1;
if (isset($this->page_no) && $this->page_no != "")
$page = $this->page_no;
$pagination .= "<span class='tableStandardBold' style='margin-left:20px;'> Page " . $page . " of " . $this->getLastPage() . "</span>\n";
}
$pagination .= "</div>\n";
}
return $pagination;
}
}
?>
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