257 lines
8.3 KiB
PHP
257 lines
8.3 KiB
PHP
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<?php
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/**
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* @version $Id: pageNavigation.php 5832 2006-11-21 18:59:45Z Saka $
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* @package Joomla
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* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
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* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
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* Joomla! is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*/
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// no direct access
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defined( '_VALID_MOS' ) or die( 'Restricted access' );
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/**
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* Page navigation support class
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* @package Joomla
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*/
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class mosPageNav {
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/** @var int The record number to start dislpaying from */
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var $limitstart = null;
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/** @var int Number of rows to display per page */
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var $limit = null;
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/** @var int Total number of rows */
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var $total = null;
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function mosPageNav( $total, $limitstart, $limit ) {
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$this->total = (int) $total;
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$this->limitstart = (int) max( $limitstart, 0 );
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$this->limit = (int) max( $limit, 1 );
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if ($this->limit > $this->total) {
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$this->limitstart = 0;
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}
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if (($this->limit-1)*$this->limitstart > $this->total) {
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$this->limitstart -= $this->limitstart % $this->limit;
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}
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}
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/**
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* @return string The html for the limit # input box
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*/
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function getLimitBox () {
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$limits = array();
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for ($i=5; $i <= 30; $i+=5) {
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$limits[] = mosHTML::makeOption( "$i" );
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}
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$limits[] = mosHTML::makeOption( "50" );
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// build the html select list
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$html = mosHTML::selectList( $limits, 'limit', 'class="inputbox" size="1" onchange="document.adminForm.submit();"',
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'value', 'text', $this->limit );
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$html .= "\n<input type=\"hidden\" name=\"limitstart\" value=\"$this->limitstart\" />";
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return $html;
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}
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/**
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* Writes the html limit # input box
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*/
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function writeLimitBox () {
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echo mosPageNav::getLimitBox();
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}
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function writePagesCounter() {
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echo $this->getPagesCounter();
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}
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/**
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* @return string The html for the pages counter, eg, Results 1-10 of x
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*/
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function getPagesCounter() {
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$html = '';
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$from_result = $this->limitstart+1;
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if ($this->limitstart + $this->limit < $this->total) {
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$to_result = $this->limitstart + $this->limit;
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} else {
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$to_result = $this->total;
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}
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if ($this->total > 0) {
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$html .= "\nResults " . $from_result . " - " . $to_result . " of " . $this->total;
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} else {
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$html .= "\nNo records found.";
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}
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return $html;
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}
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/**
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* Writes the html for the pages counter, eg, Results 1-10 of x
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*/
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function writePagesLinks() {
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echo $this->getPagesLinks();
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}
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/**
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* @return string The html links for pages, eg, previous, next, 1 2 3 ... x
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*/
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function getPagesLinks() {
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$html = '';
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$displayed_pages = 10;
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$total_pages = ceil( $this->total / $this->limit );
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$this_page = ceil( ($this->limitstart+1) / $this->limit );
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$start_loop = (floor(($this_page-1)/$displayed_pages))*$displayed_pages+1;
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if ($start_loop + $displayed_pages - 1 < $total_pages) {
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$stop_loop = $start_loop + $displayed_pages - 1;
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} else {
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$stop_loop = $total_pages;
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}
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if ($this_page > 1) {
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$page = ($this_page - 2) * $this->limit;
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$html .= "\n<a href=\"#beg\" class=\"pagenav\" title=\"first page\" onclick=\"javascript: document.adminForm.limitstart.value=0; document.adminForm.submit();return false;\"><< Start</a>";
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$html .= "\n<a href=\"#prev\" class=\"pagenav\" title=\"previous page\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\">< Previous</a>";
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} else {
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$html .= "\n<span class=\"pagenav\"><< Start</span>";
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$html .= "\n<span class=\"pagenav\">< Previous</span>";
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}
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for ($i=$start_loop; $i <= $stop_loop; $i++) {
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$page = ($i - 1) * $this->limit;
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if ($i == $this_page) {
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$html .= "\n<span class=\"pagenav\"> $i </span>";
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} else {
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$html .= "\n<a href=\"#$i\" class=\"pagenav\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\"><strong>$i</strong></a>";
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}
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}
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if ($this_page < $total_pages) {
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$page = $this_page * $this->limit;
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$end_page = ($total_pages-1) * $this->limit;
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$html .= "\n<a href=\"#next\" class=\"pagenav\" title=\"next page\" onclick=\"javascript: document.adminForm.limitstart.value=$page; document.adminForm.submit();return false;\"> Next ></a>";
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$html .= "\n<a href=\"#end\" class=\"pagenav\" title=\"end page\" onclick=\"javascript: document.adminForm.limitstart.value=$end_page; document.adminForm.submit();return false;\"> End >></a>";
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} else {
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$html .= "\n<span class=\"pagenav\">Next ></span>";
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$html .= "\n<span class=\"pagenav\">End >></span>";
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}
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return $html;
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}
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function getListFooter() {
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$html = '<table class="adminlist"><tr><th colspan="3">';
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$html .= $this->getPagesLinks();
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$html .= '</th></tr><tr>';
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$html .= '<td nowrap="nowrap" width="48%" align="right">Display #</td>';
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$html .= '<td>' .$this->getLimitBox() . '</td>';
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$html .= '<td nowrap="nowrap" width="48%" align="left">' . $this->getPagesCounter() . '</td>';
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$html .= '</tr></table>';
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return $html;
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}
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/**
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* @param int The row index
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* @return int
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*/
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function rowNumber( $i ) {
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return $i + 1 + $this->limitstart;
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}
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/**
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* @param int The row index
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* @param string The task to fire
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* @param string The alt text for the icon
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* @return string
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*/
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function orderUpIcon( $i, $condition=true, $task='orderup', $alt='Move Up' ) {
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if (($i > 0 || ($i+$this->limitstart > 0)) && $condition) {
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return '<a href="#reorder" onClick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">
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<img src="images/uparrow.png" width="12" height="12" border="0" alt="'.$alt.'">
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</a>';
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} else {
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return ' ';
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}
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}
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/**
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* @param int The row index
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* @param int The number of items in the list
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* @param string The task to fire
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* @param string The alt text for the icon
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* @return string
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*/
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function orderDownIcon( $i, $n, $condition=true, $task='orderdown', $alt='Move Down' ) {
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if (($i < $n-1 || $i+$this->limitstart < $this->total-1) && $condition) {
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return '<a href="#reorder" onClick="return listItemTask(\'cb'.$i.'\',\''.$task.'\')" title="'.$alt.'">
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<img src="images/downarrow.png" width="12" height="12" border="0" alt="'.$alt.'">
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</a>';
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} else {
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return ' ';
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}
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}
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/**
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* @param int The row index
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* @param string The task to fire
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* @param string The alt text for the icon
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* @return string
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*/
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function orderUpIcon2( $id, $order, $condition=true, $task='orderup', $alt='#' ) {
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// handling of default value
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if ($alt = '#') {
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$alt = 'Move Up';
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}
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if ($order == 0) {
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$img = 'uparrow0.png';
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$show = true;
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} else if ($order < 0) {
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$img = 'uparrow-1.png';
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$show = true;
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} else {
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$img = 'uparrow.png';
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$show = true;
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};
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if ($show) {
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$output = '<a href="#ordering" onClick="listItemTask(\'cb'.$id.'\',\'orderup\')" title="'. $alt .'">';
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$output .= '<img src="images/' . $img . '" width="12" height="12" border="0" alt="'. $alt .'" title="'. $alt .'" /></a>';
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return $output;
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} else {
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return ' ';
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}
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}
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/**
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* @param int The row index
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* @param int The number of items in the list
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* @param string The task to fire
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* @param string The alt text for the icon
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* @return string
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*/
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function orderDownIcon2( $id, $order, $condition=true, $task='orderdown', $alt='#' ) {
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// handling of default value
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if ($alt = '#') {
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$alt = 'Move Down';
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}
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if ($order == 0) {
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$img = 'downarrow0.png';
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$show = true;
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} else if ($order < 0) {
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$img = 'downarrow-1.png';
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$show = true;
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} else {
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$img = 'downarrow.png';
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$show = true;
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};
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if ($show) {
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$output = '<a href="#ordering" onClick="listItemTask(\'cb'.$id.'\',\'orderdown\')" title="'. $alt .'">';
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$output .= '<img src="images/' . $img . '" width="12" height="12" border="0" alt="'. $alt .'" title="'. $alt .'" /></a>';
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return $output;
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} else {
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return ' ';
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}
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}
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/**
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* Sets the vars for the page navigation template
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*/
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function setTemplateVars( &$tmpl, $name = 'admin-list-footer' ) {
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$tmpl->addVar( $name, 'PAGE_LINKS', $this->getPagesLinks() );
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$tmpl->addVar( $name, 'PAGE_LIST_OPTIONS', $this->getLimitBox() );
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$tmpl->addVar( $name, 'PAGE_COUNTER', $this->getPagesCounter() );
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}
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}
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?>
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