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<?php
/**
* TStyleSheet class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link https://github.com/pradosoft/prado
* @copyright Copyright © 2005-2016 The PRADO Group
* @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @package System.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}.
* Since Prado 3.3.1, it' possible to import css libraries bundled with
* Prado from template via the {@link setPradoStyles PradoStyles} property.
* Multiple Prado libraries can be specified using comma delimited string of the
* css library to include on the page. For example,
*
* <code>
* <com:TStyleSheet PradoStyles="bootstrap, jquery.ui.progressbar" />
* </code>
*
* 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>
* @version : $ Tue Jul 4 04:38:16 EST 2006 $
* @package System.Web.UI.WebControls
* @since 3.0.2
*/
class TStyleSheet extends TControl
{
/**
* @return string comma delimited list of css libraries to include
* on the page.
* @since 3.3.1
*/
public function getPradoStyles()
{
return $this->getViewState('PradoStyles', '');
}
/**
* Include css library to the current page. The current supported
* libraries are: "jquery-ui", "bootstrap" and all the split
* jquery.ui.componentname libraries.
*
* @param string comma delimited list of css libraries to include.
* @since 3.3.1
*/
public function setPradoStyles($value)
{
$this->setViewState('PradoStyles', $value, '');
}
/**
* @param string URL to the stylesheet file
*/
public function setStyleSheetUrl($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)
{
$cs = $this->getPage()->getClientScript();
$styles = preg_split('/,|\s+/', $this->getPradoStyles());
foreach($styles as $style)
{
if(($style = trim($style))!=='')
$cs->registerPradoStyle($style);
}
if(($url=$this->getStyleSheetUrl())!=='')
$cs->registerStyleSheetFile($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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