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<?php
/**
* TClientScriptManager and TClientSideOptions class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @author Gabor Berczi <gabor.berczi@devworx.hu> (lazyload additions & progressive rendering)
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Prado\Web\UI
*/
namespace Prado\Web\UI;
use Prado\Collections\TMap;
use Prado\Web\Javascripts\TJavaScript;
/**
* TClientSideOptions abstract class.
*
* TClientSideOptions manages client-side options for components that have
* common client-side javascript behaviours and client-side events such as
* between ActiveControls and validators.
*
* @author <weizhuo[at]gmail[dot]com>
* @package Prado\Web\UI
* @since 3.0
*/
abstract class TClientSideOptions extends \Prado\TComponent
{
/**
* @var TMap list of client-side options.
*/
private $_options;
/**
* Adds on client-side event handler by wrapping the code within a
* javascript function block. If the code begins with "javascript:", the
* code is assumed to be a javascript function block rather than arbiturary
* javascript statements.
* @param string option name
* @param string javascript statements.
*/
protected function setFunction($name, $code)
{
if(!TJavaScript::isJsLiteral($code))
$code = TJavaScript::quoteJsLiteral($this->ensureFunction($code));
$this->setOption($name, $code);
}
/**
* @return string gets a particular option, null if not set.
*/
protected function getOption($name)
{
if ($this->_options)
return $this->_options->itemAt($name);
else
return null;
}
/**
* @param string option name
* @param mixed option value.
*/
protected function setOption($name, $value)
{
$this->getOptions()->add($name, $value);
}
/**
* @return TMap gets the list of options as TMap
*/
public function getOptions()
{
if (!$this->_options)
$this->_options = new TMap;
return $this->_options;
}
/**
* Ensure that the javascript statements are wrapped in a javascript
* function block as <code>function(sender, parameter){ //code }</code>.
*/
protected function ensureFunction($javascript)
{
return "function(sender, parameter){ {$javascript} }";
}
}
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