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<?php
/**
* TLiteral class file
*
* @author Qiang Xue <qiang.xue@gmail.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
*/
/**
* TLiteral class
*
* TLiteral displays a static text on the Web page.
* TLiteral is similar to the TLabel control, except that the TLiteral
* control does not have style properties (e.g. BackColor, Font, etc.)
* You can programmatically control the text displayed in the control by setting
* the {@link setText Text} property. The text displayed may be HTML-encoded
* if the {@link setEncode Encode} property is set true (defaults to false).
*
* TLiteral will render the contents enclosed within its component tag
* if {@link setText Text} is empty.
*
* Note, if {@link setEncode Encode} is false, make sure {@link setText Text}
* does not contain unwanted characters that may bring security vulnerabilities.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package System.Web.UI.WebControls
* @since 3.0
*/
class TLiteral extends TControl implements IDataRenderer
{
/**
* @return string the static text of the TLiteral
*/
public function getText()
{
return $this->getViewState('Text','');
}
/**
* Sets the static text of the TLiteral
* @param string the text to be set
*/
public function setText($value)
{
$this->setViewState('Text',TPropertyValue::ensureString($value),'');
}
/**
* Returns the static text of the TLiteral.
* This method is required by {@link IDataRenderer}.
* It is the same as {@link getText()}.
* @return string the static text of the TLiteral
* @see getText
* @since 3.1.0
*/
public function getData()
{
return $this->getText();
}
/**
* Sets the static text of the TLiteral.
* This method is required by {@link IDataRenderer}.
* It is the same as {@link setText()}.
* @param string the static text of the TLiteral
* @see setText
* @since 3.1.0
*/
public function setData($value)
{
$this->setText($value);
}
/**
* @return boolean whether the rendered text should be HTML-encoded. Defaults to false.
*/
public function getEncode()
{
return $this->getViewState('Encode',false);
}
/**
* @param boolean whether the rendered text should be HTML-encoded.
*/
public function setEncode($value)
{
$this->setViewState('Encode',TPropertyValue::ensureBoolean($value),false);
}
/**
* Renders the literal control.
* @param THtmlWriter the writer used for the rendering purpose
*/
public function render($writer)
{
if(($text=$this->getText())!=='')
{
if($this->getEncode())
$writer->write(THttpUtility::htmlEncode($text));
else
$writer->write($text);
}
else
parent::render($writer);
}
}
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