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<?php
/**
* THyperLink class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.xisc.com/
* @copyright Copyright © 2004-2005, Qiang Xue
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version $Revision: $ $Date: $
* @package System.Web.UI.WebControls
*/
/**
* THyperLink class
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Revision: $ $Date: $
* @package System.Web.UI.WebControls
* @since 3.0
*/
class THyperLink extends TWebControl
{
// todo: TControl::resolveClientUrl
/**
* @return string tag name of the hyperlink
*/
protected function getTagName()
{
return 'a';
}
protected function addAttributesToRender($writer)
{
$isEnabled=$this->getEnabled(true);
if($this->getEnabled() && !$isEnabled)
$writer->addAttribute('disabled','disabled');
parent::addAttributesToRender($writer);
if(($url=$this->getNavigateUrl())!=='' && $isEnabled)
{
// todo
//$url=$this->resolveClientUrl($url);
$writer->addAttribute('href',$url);
}
if(($target=$this->getTarget())!=='')
$writer->addAttribute('target',$target);
}
/**
* Renders the body content of the hyperlink.
* @param THtmlTextWriter the writer for rendering
*/
protected function renderContents($writer)
{
if(($imageUrl=$this->getImageUrl())==='')
{
if($this->getHasControls())
parent::renderContents($writer);
else
$writer->write($this->getText());
}
else
{
$image=new TImage;
$image->setImageUrl($this->resolveClientUrl($imageUrl));
if(($toolTip=$this->getToolTip())!=='')
$image->setToolTip($toolTip);
if(($text=$this->getText())!=='')
$image->setAlternateText($text);
$image->renderControl($writer);
}
}
/**
* @return string the text caption of the THyperLink
*/
public function getText()
{
return $this->getViewState('Text','');
}
/**
* Sets the text caption of the THyperLink.
* @param string the text caption to be set
*/
public function setText($value)
{
if($this->getHasControls())
$this->getControls()->clear();
$this->setViewState('Text',$value,'');
}
/**
* @return string the location of the image file for the THyperLink
*/
public function getImageUrl()
{
return $this->getViewState('ImageUrl','');
}
/**
* Sets the location of image file of the THyperLink.
* @param string the image file location
*/
public function setImageUrl($value)
{
$this->setViewState('ImageUrl',$value,'');
}
/**
* @return string the URL to link to when the THyperLink component is clicked.
*/
public function getNavigateUrl()
{
return $this->getViewState('NavigateUrl','');
}
/**
* Sets the URL to link to when the THyperLink component is clicked.
* @param string the URL
*/
public function setNavigateUrl($value)
{
$this->setViewState('NavigateUrl',$value,'');
}
/**
* @return string the target window or frame to display the Web page content linked to when the THyperLink component is clicked.
*/
public function getTarget()
{
return $this->getViewState('Target','');
}
/**
* Sets the target window or frame to display the Web page content linked to when the THyperLink component is clicked.
* @param string the target window, valid values include '_blank', '_parent', '_self', '_top' and empty string.
*/
public function setTarget($value)
{
$this->setViewState('Target',$value,'');
}
}
?>
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