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<?php
/**
* TImage 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
*/
/**
* TImage class
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Revision: $ $Date: $
* @package System.Web.UI.WebControls
* @since 3.0
*/
class TImage extends TWebControl
{
public static $IMAGE_ALIGN=array('NotSet','AbsBottom','AbsMiddle','Baseline','Bottom','Left','Middle','Right','TextTop','Top');
// todo: TControl::resolveClientUrl()
/**
* @return string tag name of the image
*/
protected function getTagName()
{
return 'img';
}
protected function addAttributesToRender($writer)
{
$writer->addAttribute('src',$this->getImageUrl());
$writer->addAttribute('alt',$this->getAlternateText());
if(($desc=$this->getDescriptionUrl())!=='')
$writer->addAttribute('longdesc',$this->resolveClientUrl($desc));
if(($align=$this->getImageAlign())!=='NotSet')
$writer->addAttribute('align',strtolower($align));
parent::addAttributesToRender($writer);
}
/**
* Renders the body content of the image.
* None will be rendered for an image.
* @param THtmlTextWriter the writer for rendering
*/
protected function renderContents($writer)
{
}
/**
* @return string the alternative text displayed in the TImage component when the image is unavailable.
*/
public function getAlternateText()
{
return $this->getViewState('AlternateText','');
}
/**
* Sets the alternative text to be displayed in the TImage when the image is unavailable.
* @param string the alternative text
*/
public function setAlternateText($value)
{
$this->setViewState('AlternateText',$value,'');
}
/**
* @return string the alignment of the image with respective to other elements on the page.
*/
public function getImageAlign()
{
return $this->getViewState('ImageAlign','');
}
/**
* Sets the alignment of the image with respective to other elements on the page.
* @param string the alignment of the image
*/
public function setImageAlign($value)
{
$this->setViewState('ImageAlign',TPropertyValue::ensureEnum($value,self::$IMAGE_ALIGN),'NotSet');
}
/**
* @return string the location of the image file to be displayed
*/
public function getImageUrl()
{
return $this->getViewState('ImageUrl','');
}
/**
* Sets the location of the image file to be displayed.
* @param string the location of the image file (file path or URL)
*/
public function setImageUrl($value)
{
$this->setViewState('ImageUrl',$value,'');
}
/**
* @return string link to long description
*/
public function getDescriptionUrl()
{
return $this->getViewState('DescriptionUrl','');
}
/**
* Sets the link to long description
* @param string the link to long description
*/
public function setDescriptionUrl($value)
{
$this->setViewState('DescriptionUrl',$value,'');
}
}
?>
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