<?php
/**
* @version $Id: pageNavigation.php,v 1.1.1.1 2006/07/13 19:59:30 rcho Exp $
* @package Joomla
* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// no direct access
defined( '_VALID_MOS' ) or die( 'Restricted access' );
/**
* Page navigation support class
* @package Joomla
*/
class mosPageNav {
/** @var int The record number to start dislpaying from */
var $limitstart = null;
/** @var int Number of rows to display per page */
var $limit = null;
/** @var int Total number of rows */
var $total = null;
function mosPageNav( $total, $limitstart, $limit ) {
$this->total = intval( $total );
$this->limitstart = max( $limitstart, 0 );
$this->limit = max( $limit, 1 );
if ($this->limit > $this->total) {
$this->limitstart = 0;
}
if (($this->limit-1)*$this->limitstart > $this->total) {
$this->limitstart -= $this->limitstart % $this->limit;
}
}
/**
* @return string The html for the limit # input box
*/
function getLimitBox () {
$limits = array();
for ($i=5; $i <= 30; $i+=5) {
$limits[] = mosHTML::makeOption( "$i" );
}
$limits[] = mosHTML::makeOption( "50" );
// build the html select list
$html = mosHTML::selectList( $limits, 'limit', 'class="inputbox" size="1" onchange="document.adminForm.submit();"',
'value', 'text', $this->limit );
$html .= "\n<input type=\"hidden\" name=\"limitstart\" value=\"$this->limitstart\" />";
return $html;
}
/**
* Writes the html limit # input box
*/
function writeLimitBox () {
echo mosPageNav::getLimitBox();
}
function writePagesCounter() {
echo $this->getPagesCounter();
}
/**
* @return string The html for the pages counter, eg, Results 1-10 of x
*/
function getPagesCounter() {
$html = '';
$from_result = $this->limitstart+1;
if ($this->limitstart + $this->limit < $this->total) {
$to_result = $this->limitstart + $this->limit;
} else {
$to_result = $this->total;
}
if ($this->total > 0) {
$html .= "\nResults " . $from_result . " - " . $to_result . " of " . $this->total;
} else {
$html .= "\nNo records found.";
}
return $html;
}
/**
* Writes the html for the pages counter, eg, Results 1-10 of x
*/
function writePagesLinks() {
echo $this->getPagesLinks();
}
/**
* @return string The html links for pages, eg, previous, next, 1 2 3 ... x
*/
function getPagesLinks() {
$html = '';
$displayed_pages = 10;
$total_pages = ceil( $this->total / $this->limit );
$this_page = ceil( ($this->limitstart+1) / $this->limit );
$start_loop = (floor(($this_page-1)/$displayed_pages))*$displayed_pages+1;
if ($start_loop + $displayed_pages - 1 < $total_pages) {
$stop_loop = $start_loop + $displayed_pages - 1;
} else {
$stop_loop = $total_pages;
}
if ($this_page > 1) {
$page = ($this_page - 2) * $this->limit;
$html .= "\n<a href=\"#beg\" class=\"pagenav\" title=\"first page\" onclick=\"javascript: document.adminForm.limitstart.value=0; document.adminForm.submit();return false;\"><< Start</a>";
$html .= "\n<a href=\"#prev\" class=\"pagenav\" title=\"previous page\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\">< Previous</a>";
} else {
$html .= "\n<span class=\"pagenav\"><< Start</span>";
$html .= "\n<span class=\"pagenav\">< Previous</span>";
}
for ($i=$start_loop; $i <= $stop_loop; $i++) {
$page = ($i - 1) * $this->limit;
if ($i == $this_page) {
$html .= "\n<span class=\"pagenav\"> $i </span>";
} else {
$html .= "\n<a href=\"#$i\" class=\"pagenav\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\"><strong>$i</strong></a>";
}
}
if ($this_page < $total_pages) {
$page = $this_page * $this->limit;
$end_page = ($total_pages-1) * $this->limit;
$html .= "\n<a href=\"#next\" class=\"pagenav\" title=\"next page\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\"> Next ></a>";
$html .= "\n<a href=\"#end\" class=\"pagenav\" title=\"end page\" onclick=\"javascript: document.adminForm.limitstart.value=$end_page; document.adminForm.submit();return false;\"> End >></a>";
} else {
$html .= "\n<span class=\"pagenav\">Next ></span>";
$html .= "\n<span class=\"pagenav\">End >></span>";
}
return $html;
}
function getListFooter() {
$html = '<table class="adminlist"><tr><th colspan="3">';
$html .= $this->getPagesLinks();
$html .= '</th></tr><tr>';
$html .= '<td nowrap="true" width="48%" align="right">Display #</td>';
$html .= '<td>' .$this->getLimitBox() . '</td>';
$html .= '<td nowrap="true" width="48%" align="left">' . $this->getPagesCounter() . '</td>';
$html .= '</tr></table>';
return $html;
}
/**
* @param int The row index
* @return int
*/
function rowNumber( $i ) {
return $i + 1 + $this->limitstart;
}
/**
* @param int The row index
* @param string The task to fire
* @param string The alt text for the icon
* @return string
*/
function orderUpIcon( $i, $condition=true, $task='orderup', $alt='Move Up' ) {
if (($i > 0 || ($i+$this->limitstart > 0)) && $condition) {
return '<a href="#reorder" onClick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">
<img src="images/uparrow.png" width="12" height="12" border="0" alt="'.$alt.'">
</a>';
} else {
return ' ';
}
}
/**
* @param int The row index
* @param int The number of items in the list
* @param string The task to fire
* @param string The alt text for the icon
* @return string
*/
function orderDownIcon( $i, $n, $condition=true, $task='orderdown', $alt='Move Down' ) {
if (($i < $n-1 || $i+$this->limitstart < $this->total-1) && $condition) {
return '<a href="#reorder" onClick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">
<img src="images/downarrow.png" width="12" height="12" border="0" alt="'.$alt.'">
</a>';
} else {
return ' ';
}
}
/**
* @param int The row index
* @param string The task to fire
* @param string The alt text for the icon
* @return string
*/
function orderUpIcon2( $id, $order, $condition=true, $task='orderup', $alt='#' ) {
// handling of default value
if ($alt = '#') {
$alt = 'Move Up';
}
if ($order == 0) {
$img = 'uparrow0.png';
$show = true;
} else if ($order < 0) {
$img = 'uparrow-1.png';
$show = true;
} else {
$img = 'uparrow.png';
$show = true;
};
if ($show) {
$output = '<a href="#ordering" onClick="listItemTask(\'cb'.$id.'\',\'orderup\')" title="'. $alt .'">';
$output .= '<img src="images/' . $img . '" width="12" height="12" border="0" alt="'. $alt .'" title="'. $alt .'" /></a>';
return $output;
} else {
return ' ';
}
}
/**
* @param int The row index
* @param int The number of items in the list
* @param string The task to fire
* @param string The alt text for the icon
* @return string
*/
function orderDownIcon2( $id, $order, $condition=true, $task='orderdown', $alt='#' ) {
// handling of default value
if ($alt = '#') {
$alt = 'Move Down';
}
if ($order == 0) {
$img = 'downarrow0.png';
$show = true;
} else if ($order < 0) {
$img = 'downarrow-1.png';
$show = true;
} else {
$img = 'downarrow.png';
$show = true;
};
if ($show) {
$output = '<a href="#ordering" onClick="listItemTask(\'cb'.$id.'\',\'orderdown\')" title="'. $alt .'">';
$output .= '<img src="images/' . $img . '" width="12" height="12" border="0" alt="'. $alt .'" title="'. $alt .'" /></a>';
return $output;
} else {
return ' ';
}
}
/**
* Sets the vars for the page navigation template
*/
function setTemplateVars( &$tmpl, $name = 'admin-list-footer' ) {
$tmpl->addVar( $name, 'PAGE_LINKS', $this->getPagesLinks() );
$tmpl->addVar( $name, 'PAGE_LIST_OPTIONS', $this->getLimitBox() );
$tmpl->addVar( $name, 'PAGE_COUNTER', $this->getPagesCounter() );
}
}
?>