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Joomla_1.5.4-Stable-Full_Package.exe
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pagenavigation.php
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PHP Script
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2008-07-06
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6KB
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221 lines
<?php
/**
* @version $Id: pagenavigation.php 10381 2008-06-01 03:35:53Z pasamio $
* @package Joomla
* @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license 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( '_JEXEC' ) or die( 'Restricted access' );
$mainframe->registerEvent( 'onBeforeDisplayContent', 'plgContentNavigation' );
function plgContentNavigation( &$row, &$params, $page=0 )
{
$view = JRequest::getCmd('view');
// Get Plugin info
$plugin =& JPluginHelper::getPlugin('content', 'pagenavigation');
if ($params->get('show_item_navigation') && ($view == 'article'))
{
$html = '';
$db = & JFactory::getDBO();
$user = & JFactory::getUser();
$nullDate = $db->getNullDate();
$date =& JFactory::getDate();
$config = & JFactory::getConfig();
$now = $date->toMySQL();
$uid = $row->id;
$option = 'com_content';
$canPublish = $user->authorize('com_content', 'publish', 'content', 'all');
// the following is needed as different menu items types utilise a different param to control ordering
// for Blogs the `orderby_sec` param is the order controlling param
// for Table and List views it is the `orderby` param
$params_list = $params->toArray();
if (array_key_exists('orderby_sec', $params_list)) {
$order_method = $params->get('orderby_sec', '');
} else {
$order_method = $params->get('orderby', '');
}
// additional check for invalid sort ordering
if ( $order_method == 'front' ) {
$order_method = '';
}
// Determine sort order
switch ($order_method)
{
case 'date' :
$orderby = 'a.created';
break;
case 'rdate' :
$orderby = 'a.created DESC';
break;
case 'alpha' :
$orderby = 'a.title';
break;
case 'ralpha' :
$orderby = 'a.title DESC';
break;
case 'hits' :
$orderby = 'a.hits';
break;
case 'rhits' :
$orderby = 'a.hits DESC';
break;
case 'order' :
$orderby = 'a.ordering';
break;
case 'author' :
$orderby = 'a.created_by_alias, u.name';
break;
case 'rauthor' :
$orderby = 'a.created_by_alias DESC, u.name DESC';
break;
case 'front' :
$orderby = 'f.ordering';
break;
default :
$orderby = 'a.ordering';
break;
}
$xwhere = ' AND ( a.state = 1 OR a.state = -1 )' .
' AND ( publish_up = '.$db->Quote($nullDate).' OR publish_up <= '.$db->Quote($now).' )' .
' AND ( publish_down = '.$db->Quote($nullDate).' OR publish_down >= '.$db->Quote($now).' )';
// array of articles in same category correctly ordered
$query = 'SELECT a.id,'
. ' CASE WHEN CHAR_LENGTH(a.alias) THEN CONCAT_WS(":", a.id, a.alias) ELSE a.id END as slug,'
. ' CASE WHEN CHAR_LENGTH(cc.alias) THEN CONCAT_WS(":", cc.id, cc.alias) ELSE cc.id END as catslug'
. ' FROM #__content AS a'
. ' LEFT JOIN #__categories AS cc ON cc.id = a.catid'
. ' WHERE a.catid = ' . (int) $row->catid
. ' AND a.state = '. (int) $row->state
. ($canPublish ? '' : ' AND a.access <= ' .(int) $user->get('aid', 0))
. $xwhere
. ' ORDER BY '. $orderby;
$db->setQuery($query);
$list = $db->loadObjectList('id');
// this check needed if incorrect Itemid is given resulting in an incorrect result
if ( !is_array($list) ) {
$list = array();
}
reset($list);
// location of current content item in array list
$location = array_search($uid, array_keys($list));
$rows = array_values($list);
$row->prev = null;
$row->next = null;
if ($location -1 >= 0) {
// the previous content item cannot be in the array position -1
$row->prev = $rows[$location -1];
}
if (($location +1) < count($rows)) {
// the next content item cannot be in an array position greater than the number of array postions
$row->next = $rows[$location +1];
}
$pnSpace = "";
if (JText::_('<') || JText::_('>')) {
$pnSpace = " ";
}
if ($row->prev) {
$row->prev = JRoute::_('index.php?option=com_content&view=article&catid='.$row->prev->catslug.'&id='.$row->prev->slug);
} else {
$row->prev = '';
}
if ($row->next) {
$row->next = JRoute::_('index.php?option=com_content&view=article&catid='.$row->next->catslug.'&id='.$row->next->slug);
} else {
$row->next = '';
}
// output
if ($row->prev || $row->next)
{
$html = '
<table align="center" class="pagenav">
<tr>'
;
if ($row->prev)
{
$html .= '
<th class="pagenav_prev">
<a href="'. $row->prev .'">'
. JText::_( '<' ) . $pnSpace . JText::_( 'Prev' ) . '</a>
</th>'
;
}
if ($row->prev && $row->next)
{
$html .= '
<td width="50">
</td>'
;
}
if ($row->next)
{
$html .= '
<th class="pagenav_next">
<a href="'. $row->next .'">'
. JText::_( 'Next' ) . $pnSpace . JText::_( '>' ) .'</a>
</th>'
;
}
$html .= '
</tr>
</table>'
;
// Get the plugin parameters
$pluginParams = new JParameter( $plugin->params );
$position = $pluginParams->get('position', 1);
if ($position) {
// display after content
$row->text .= $html;
} else {
// display before content
$row->text = $html . $row->text;
}
}
}
return ;
}