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<?php
require_once(dirname(__FILE__).'/Highlighter/geshi.php');
/**
* ${classname}
*
* ${description}
*
* @author Wei Zhuo<weizhuo[at]gmail[dot]com>
* @version $Revision: 1.66 $ $Date: ${DATE} ${TIME} $
* @package ${package}
*/
class TTextHighlighter extends TWebControl
{
/**
* @return string tag name of the panel
*/
protected function getTagName()
{
return 'div';
}
public function getLanguage()
{
return $this->getViewState('Language', '');
}
public function setLanguage($value)
{
$this->setViewState('Language', $value, '');
}
public function setEnableLineNumbers($value)
{
$this->setViewState('LineNumbers', TPropertyValue::ensureBoolean($value), false);
}
public function getEnableLineNumbers()
{
return $this->getViewState('LineNumbers', false);
}
public function getEnableEntities()
{
return $this->getViewState('Entities', false);
}
public function setEnableEntities($value)
{
$this->setViewState('Entities', TPropertyValue::ensureBoolean($value), false);
}
/**
* Parse the body string using GeSHi to highlight the contents.
*/
public function addParsedObject($object)
{
if(is_string($object))
{
$this->registerTextHighlightStyleSheet();
$this->getControls()->add($this->getTextHighlight($object));
}
else
$this->getControls()->add($object);
}
/**
* Register CSS style sheet file.
*/
protected function registerTextHighlightStyleSheet()
{
$cs = $this->getPage()->getClientScript();
if(!$cs->isStyleSheetFileRegistered(get_class($this)))
{
$styleSheet = $this->getAsset('Highlighter/code_highlight.css');
$cs->registerStyleSheetFile(get_class($this), $styleSheet);
}
}
/**
* Returns the highlighted text.
* @param string text to highlight.
* @return string highlighted text.
*/
protected function getTextHighlight($text)
{
if(!$this->getEnableEntities())
$text = html_entity_decode($text);
$geshi = new GeSHi(trim($text), $this->getLanguage());
if($this->getEnableLineNumbers())
$geshi->enable_line_numbers(GESHI_NORMAL_LINE_NUMBERS);
$geshi->enable_classes();
return $geshi->parse_code();
}
}
?>
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