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<?php
/**
* TClientScript class file
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Revision: $ $Date: $
* @package System.Web.UI.WebControls
*/
/**
* TClientScript class
*
* Allows importing of Prado Client Scripts from template via the
* {@link setUsingPradoScripts UsingPradoScripts} property. Multiple Prado
* client-scripts can be specified using comma delimited string of the
* javascript library to include on the page. For example,
*
* <code>
* <com:TClientScript UsingPradoScripts="effects, rico" />
* </code>
*
* The {@link setPreRenderControlTypes PreRenderControlTypes} property can
* be used to specify that controls type/class names that should pre-render itself
* even though they may not be rendered on the page. This is useful to publish
* controls that require assets and is only visible after a callback response.
*
* @TODO May be use it to include stylesheets as well.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Revision: $ $Date: $
* @package System.Web.UI.WebControls
* @since 3.0
*/
class TClientScript extends TControl
{
/**
* @return string comma delimited list of javascript libraries to included
* on the page.
*/
public function getUsingPradoScripts()
{
return $this->getViewState('PradoScripts', '');
}
/**
* Include javascript library to the current page. The current supported
* libraries are: "prado", "effects", "ajax", "validator", "logger",
* "datepicker", "rico", "colorpicker". Library dependencies are
* automatically resolved.
*
* @param string comma delimited list of javascript libraries to include.
*/
public function setUsingPradoScripts($value)
{
$this->setViewState('PradoScripts', $value, '');
}
/**
* @param string comma delimited list of controls that wish to be prerendered
* so as to publish its assets.
*/
public function setPreRenderControlTypes($value)
{
$this->setViewState('PreRenderControls', $value);
}
/**
* @return string comma delimited list of controls types that require prerendering.
*/
public function getPreRenderControlTypes()
{
return $this->getViewState('PreRenderControls', '');
}
/**
* Calls the client script manager to add each of the requested client
* script libraries.
* @param mixed event parameter
*/
public function onPreRender($param)
{
parent::onPreRender($param);
$scripts = preg_split('/,|\s+/', $this->getUsingPradoScripts());
$cs = $this->getPage()->getClientScript();
foreach($scripts as $script)
{
$script = trim($script);
if(strlen($script) > 0)
$cs->registerPradoScript($script);
}
$this->preRenderControls($param);
}
/**
* PreRender other controls to allow them to publish their assets. Useful
* when callback response components that require assets to be present on the page.
* @param mixed event paramater
*/
protected function preRenderControls($param)
{
$types = preg_split('/,|\s+/', $this->getPreRenderControlTypes());
foreach($types as $type)
{
$control = Prado::createComponent($type);
$control->setPage($this->getPage());
$control->onPreRender($param);
}
}
}
?>
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