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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-2.0/JG/trunk/administrator/components/com_joomgallery/helpers/refresher.php $
// $Id: refresher.php 3651 2012-02-19 14:36:46Z mab $
/****************************************************************************************\
** JoomGallery 2 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2012 JoomGallery::ProjectTeam **
** Based on: JoomGallery 1.0.0 by JoomGallery::ProjectTeam **
** Released under GNU GPL Public License **
** License: http://www.gnu.org/copyleft/gpl.html or have a look **
** at administrator/components/com_joomgallery/LICENSE.TXT **
\****************************************************************************************/
defined('_JEXEC') or die('Direct Access to this location is not allowed.');
/**
* Helper class which handles refreshes afore script timeouts
*
* @package JoomGallery
* @since 1.5.5
*/
class JoomRefresher extends JObject
{
/**
* Unix timestamp of start time
*
* @var int
*/
protected $_starttime;
/**
* Maximum time for execution in seconds
*
* @var int
*/
protected $_maxtime;
/**
* JApplication object
*
* @var object
*/
protected $_mainframe;
/**
* Controller which will be included
* into the URL for redirection by default
*
* @var string
*/
protected $_controller;
/**
* Task which will be included into
* the URL for redirection by default
*
* @var string
*/
protected $_task;
/**
* Determines whether a message should
* be displayed for each redirect by default
*
* @var boolean
*/
protected $_msg;
/**
* Holds the number of remaining things to do
*
* @var int
*/
protected $_remaining;
/**
* Holds the total number of things to do
*
* @var int
*/
protected $_total;
/**
* Determines whether the progress bar should be displayed
*
* @var boolean
*/
protected $_showprogress;
/**
* Holds the name or a short description of the current task
*
* @var string
*/
protected $_name;
/**
* Constructor
*
* @param array $params An array with optional parameters
* @return void
* @since 1.5.5
*/
public function __construct($params = array())
{
$this->_mainframe = JFactory::getApplication('administrator');
if(isset($params['controller']))
{
$this->_controller = $params['controller'];
}
else
{
$this->_controller = JRequest::getCmd('controller');
}
if(isset($params['task']))
{
$this->_task = $params['task'];
}
else
{
$this->_task = JRequest::getCmd('task');
}
if(isset($params['msg']))
{
$this->_msg = $params['msg'];
}
else
{
$this->_msg = false;
}
if(isset($params['remaining']))
{
$this->_remaining = $params['remaining'];
if(isset($params['start']) && $params['start'])
{
$this->_total = $params['remaining'];
$this->_mainframe->setUserState('joom.refresher.total', $this->_total);
}
else
{
$this->_total = $this->_mainframe->getUserState('joom.refresher.total');
}
$this->_showprogress = $this->_total ? true : false;
}
if(isset($params['name']) && $params['name'])
{
$this->_name = $params['name'];
}
$this->init();
}
/**
* Initializes the refresher by storing current time
*
* @return void
* @since 1.5.5
*/
public function init()
{
// Check the maximum execution time of the script
$max_execution_time = @ini_get('max_execution_time');
// Set secure setting of the real execution time
// Maximum time for the script will be set to 20 seconds
// (max_exection_time = 0 means no limit)
if($max_execution_time < 25 && $max_execution_time != 0)
{
$this->_maxtime = (int) $max_execution_time * 0.8;
}
else
{
$this->_maxtime = 20;
}
$this->_starttime = time();
}
/**
* Resets the progressbar or the name of the current task
*
* @param int $remaining Number of remaining steps
* @param boolean $start Determines whether $remaining holds the total number of steps
* @param string $name Name of the task to display
* @return void
* @since 1.5.6
*/
public function reset($remaining = null, $start = null, $name = null)
{
if(!is_null($remaining))
{
$this->_remaining = $remaining;
if(!is_null($start) && $start)
{
$this->_total = $remaining;
$this->_mainframe->setUserState('joom.refresher.total', $this->_total);
}
else
{
$this->_total = $this->_mainframe->getUserState('joom.refresher.total');
}
$this->_showprogress = $this->_total ? true : false;
}
else
{
$this->_showprogress = false;
}
if(!is_null($name) && $name)
{
$this->_name = $name;
}
}
/**
* Checks the remaining time
*
* @return boolean True: Time remains, false: No more time left
* @since 1.5.5
*/
public function check()
{
$timeleft = -(time() - $this->_starttime - $this->_maxtime);
if($timeleft > 0)
{
return true;
}
return false;
}
/**
* Make a redirect
*
* @param int $remaining Number of remaining steps
* @param string $task The task which will be called after the redirect
* @param string $msg An optional message which will be enqueued (this is currently disabled)
* @param string $type Type of the message (one of 'message', 'notice', 'error')
* @param string $controller The controller which will be called after the redirect
* @return void
* @since 1.5.5
*/
public function refresh($remaining = null, $task = null, $msg = null, $type = null, $controller = null)
{
if($remaining)
{
$this->_remaining = $remaining;
}
if($this->_msg && is_null($task))
{
$this->_mainframe->enqueueMessage(JText::_('COM_JOOMGALLERY_COMMON_REDIRECT'));
}
if(!$task)
{
$task = $this->_task;
}
if(!$controller)
{
$controller = $this->_controller;
}
if($msg)
{
$this->_mainframe->enqueueMessage($msg, $type);
}
if(!$this->_msg || $msg)
{
// Persist messages if they exist
$messages = $this->_mainframe->getMessageQueue();
if(count($messages))
{
$session = JFactory::getSession();
$session->set('application.queue', $messages);
}
}
$url = 'index.php?option='._JOOM_OPTION.'&controller='.$controller.'&task='.$task;
$onclick = 'document.location.href=\''.$url.'\';';
echo '<?xml version="1.0" encoding="utf-8"?'.'>'; ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<!--<meta http-equiv="refresh" content="0;url=<?php echo $url; ?>" />-->
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="templates/system/css/system.css" type="text/css" />
<link rel="stylesheet" href="<?php echo JoomAmbit::getInstance()->getStyleSheet('admin.joomgallery.css'); ?>" type="text/css" />
<link href="templates/<?php echo $this->_mainframe->getTemplate(); ?>/css/template.css" rel="stylesheet" type="text/css" />
<?php if($this->_showprogress): ?>
<style type="text/css">
div.progressbar {
border:1px solid #000;
background-color:white;
width:500px;
height:28px;
padding:1px;
margin-top:5px;
margin-right:auto;
margin-left:auto;
}
div.progress {
background-color:#0F0;
height:28px;
width:<?php echo floor((($this->_total - $this->_remaining) / $this->_total) * 100); ?>%;
}
</style>
<?php endif; ?>
<title><?php echo JText::_('COM_JOOMGALLERY_COMMON_REFRESHER_IN_PROGRESS'); ?></title>
</head>
<body>
<div class="jg-refresher-container">
<div class="jg-refresher-text">
<?php echo JText::_('COM_JOOMGALLERY_COMMON_REFRESHER_PLEASE_WAIT'); ?>
<?php if($this->_name): ?>
<br />
<?php echo JText::sprintf('COM_JOOMGALLERY_COMMON_REFRESHER_CURRENT_TASK', '<span class="jg-refresher-name">'.$this->_name.'</span>'); ?>
<?php endif; ?>
</div>
<div class="jg-refresher-spinnercontainer"><img src="../media/system/images/modal/spinner.gif" alt="Spinner" width="16" height="16" /></div>
<?php if($this->_showprogress): ?>
<div class="progressbar" title="<?php echo JText::sprintf('COM_JOOMGALLERY_COMMON_REFRESHER_PROGRESSBAR', $this->_maxtime); ?>">
<div class="progress"></div>
</div>
<div class="small"><?php echo JText::sprintf('COM_JOOMGALLERY_COMMON_REFRESHER_PROGRESSBAR', $this->_maxtime); ?></div>
<?php endif;
if($this->_msg):
$doc = &JFactory::getDocument();
$renderer = $doc->loadRenderer('message');
echo $renderer->render('');
endif; ?>
</div>
<script type="text/javascript"><?php echo $onclick; ?></script>
</body>
</html><?php
$this->_mainframe->close();
}
}
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