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<?php
/**
* TStyleSheet class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Prado\Web\UI\WebControls
*/
namespace Prado\Web\UI\WebControls;
/**
* TStyleSheet class.
*
* TStyleSheet represents the link to a stylesheet file and/or a piece of
* stylesheet code. To specify the link to a CSS file, set {@link setStyleSheetUrl StyleSheetUrl}.
* The child rendering result of TStyleSheet is treated as CSS code and
* is rendered within an appropriate style HTML element.
* Therefore, if the child content is not empty, you should place the TStyleSheet
* control in the head section of your page to conform to the HTML standard.
* If only CSS file URL is specified, you may place the control anywhere on your page
* and the style element will be rendered in the right position.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @package Prado\Web\UI\WebControls
* @since 3.0.2
*/
class TStyleSheet extends TControl
{
/**
* @param string URL to the stylesheet file
*/
public function setStyleSheetUrl($value)
{
$this->setViewState('StyleSheetUrl', $value);
}
/**
* @return string URL to the stylesheet file
*/
public function getStyleSheetUrl()
{
return $this->getViewState('StyleSheetUrl', '');
}
/**
* @return string media type of the CSS (such as 'print', 'screen', etc.). Defaults to empty, meaning the CSS applies to all media types.
*/
public function getMediaType()
{
return $this->getViewState('MediaType','');
}
/**
* @param string media type of the CSS (such as 'print', 'screen', etc.). If empty, it means the CSS applies to all media types.
*/
public function setMediaType($value)
{
$this->setViewState('MediaType',$value,'');
}
/**
* Registers the stylesheet file and content to be rendered.
* This method overrides the parent implementation and is invoked right before rendering.
* @param mixed event parameter
*/
public function onPreRender($param)
{
if(($url=$this->getStyleSheetUrl())!=='')
$this->getPage()->getClientScript()->registerStyleSheetFile($url,$url,$this->getMediaType());
}
/**
* Renders the control.
* This method overrides the parent implementation and renders nothing.
* @param ITextWriter writer
*/
public function render($writer)
{
if($this->getHasControls())
{
$writer->write("<style type=\"text/css\">\n/*<![CDATA[*/\n");
$this->renderChildren($writer);
$writer->write("\n/*]]>*/\n</style>\n");
}
}
}
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