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<?php
/**
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_ProgressBar
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: JsPush.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Json
*/
require_once 'Zend/Json.php';
/**
* @see Zend_ProgressBar_Adapter
*/
require_once 'Zend/ProgressBar/Adapter.php';
/**
* Zend_ProgressBar_Adapter_JsPush offers a simple method for updating a
* progressbar in a browser.
*
* @category Zend
* @package Zend_ProgressBar
* @uses Zend_ProgressBar_Adapter_Interface
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_ProgressBar_Adapter_JsPush extends Zend_ProgressBar_Adapter
{
/**
* Name of the JavaScript method to call on update
*
* @var string
*/
protected $_updateMethodName = 'Zend_ProgressBar_Update';
/**
* Name of the JavaScript method to call on finish
*
* @var string
*/
protected $_finishMethodName;
/**
* Set the update method name
*
* @param string $methodName
* @return Zend_ProgressBar_Adapter_JsPush
*/
public function setUpdateMethodName($methodName)
{
$this->_updateMethodName = $methodName;
return $this;
}
/**
* Set the finish method name
*
* @param string $methodName
* @return Zend_ProgressBar_Adapter_JsPush
*/
public function setFinishMethodName($methodName)
{
$this->_finishMethodName = $methodName;
return $this;
}
/**
* Defined by Zend_ProgressBar_Adapter_Interface
*
* @param float $current Current progress value
* @param float $max Max progress value
* @param float $percent Current percent value
* @param integer $timeTaken Taken time in seconds
* @param integer $timeRemaining Remaining time in seconds
* @param string $text Status text
* @return void
*/
public function notify($current, $max, $percent, $timeTaken, $timeRemaining, $text)
{
$arguments = array(
'current' => $current,
'max' => $max,
'percent' => ($percent * 100),
'timeTaken' => $timeTaken,
'timeRemaining' => $timeRemaining,
'text' => $text
);
$data = '<script type="text/javascript">'
. 'parent.' . $this->_updateMethodName . '(' . Zend_Json::encode($arguments) . ');'
. '</script>';
// Output the data
$this->_outputData($data);
}
/**
* Defined by Zend_ProgressBar_Adapter_Interface
*
* @return void
*/
public function finish()
{
if ($this->_finishMethodName === null) {
return;
}
$data = '<script type="text/javascript">'
. 'parent.' . $this->_finishMethodName . '();'
. '</script>';
$this->_outputData($data);
}
/**
* Outputs given data the user agent.
*
* This split-off is required for unit-testing.
*
* @param string $data
* @return void
*/
protected function _outputData($data)
{
// 1024 padding is required for Safari, while 256 padding is required
// for Internet Explorer. The <br /> is required so Safari actually
// executes the <script />
echo str_pad($data . '<br />', 1024, ' ', STR_PAD_RIGHT) . "\n";
flush();
ob_flush();
}
}
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