Subversion-Projekte lars-tiefland.prado

<?php
/**
 * TActiveImage class file.
 *
 * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2005-2008 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @version $Id: TActiveImage.php 2482 2008-07-30 02:07:13Z knut $
 * @package System.Web.UI.ActiveControls
 */

/**
 * TActiveImage class.
 *
 * TActiveImage allows the {@link setAlternateText AlternateText},
 * {@link setImageAlign ImageAlign}, {@link setImageUrl ImageUrl},
 * and {@link setDescriptionUrl DescriptionUrl} to be updated during
 * a callback request.
 *
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @version $Id: TActiveImage.php 2482 2008-07-30 02:07:13Z knut $
 * @package System.Web.UI.ActiveControls
 * @since 3.1
 */
class TActiveImage extends TImage implements IActiveControl
{
        /**
         * Creates a new callback control, sets the adapter to
         * TActiveControlAdapter. If you override this class, be sure to set the
         * adapter appropriately by, for example, by calling this constructor.
         */
        public function __construct()
        {
                parent::__construct();
                $this->setAdapter(new TActiveControlAdapter($this));
        }

        /**
         * @return TBaseActiveControl basic active control options.
         */
        public function getActiveControl()
        {
                return $this->getAdapter()->getBaseActiveControl();
        }

        /**
         * Sets the alternative text to be displayed in the TImage when the image is unavailable.
         * @param string the alternative text
         */
        public function setAlternateText($value)
        {
                parent::setAlternateText($value);
                if($this->getActiveControl()->canUpdateClientSide())
                        $this->getPage()->getCallbackClient()->setAttribute($this, 'alt', $value);
        }

        /**
         * Sets the alignment of the image with respective to other elements on the page.
         * Possible values include: absbottom, absmiddle, baseline, bottom, left,
         * middle, right, texttop, and top. If an empty string is passed in,
         * imagealign attribute will not be rendered.
         * @param string the alignment of the image
         */
        public function setImageAlign($value)
        {
                parent::setImageAlign($value);
                if($this->getActiveControl()->canUpdateClientSide())
                        $this->getPage()->getCallbackClient()->setAttribute($this, 'align', $value);
        }

        /**
         * @param string the URL of the image file
         */
        public function setImageUrl($value)
        {
                parent::setImageUrl($value);
                if($this->getActiveControl()->canUpdateClientSide())
                        $this->getPage()->getCallbackClient()->setAttribute($this, 'src', $value);
        }

        /**
         * @param string the URL to the long description of the image.
         */
        public function setDescriptionUrl($value)
        {
                parent::setDescriptionUrl($value);
                if($this->getActiveControl()->canUpdateClientSide())
                        $this->getPage()->getCallbackClient()->setAttribute($this, 'longdesc', $value);
        }
}

?>