JHtmlBehavior/keepalive
From Joomla! Documentation
< API16:JHtmlBehavior
The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
Description[edit]
Keep session alive, for example, while editing or creating an article.
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Syntax[edit]
static keepalive()
Defined in[edit]
libraries/joomla/html/html/behavior.php
Importing[edit]
jimport( 'joomla.html.html.behavior' );
Source Body[edit]
public static function keepalive()
{
// Include mootools framework
JHtmlBehavior::mootools();
$config = &JFactory::getConfig();
$lifetime = ($config->getValue('lifetime') * 60000);
$refreshTime = ($lifetime <= 60000) ? 30000 : $lifetime - 60000;
//refresh time is 1 minute less than the liftime assined in the configuration.php file
$document = &JFactory::getDocument();
$script = '';
$script .= 'function keepAlive() {';
$script .= ' var myAjax = new Ajax("index.php", { method: "get" }).request();';
$script .= '}';
$script .= ' window.addEvent("domready", function()';
$script .= '{ keepAlive.periodical('.$refreshTime.'); }';
$script .= ');';
$document->addScriptDeclaration($script);
return;
}
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Examples[edit]
Code Examples[edit]