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<?php
/**
* TActiveHyperLink class file.
*
* @author Wei Zhuo <weizhuo[at]gamil[dot]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.ActiveControls
*/
/**
* TActiveHyperLink class.
*
* The active control counterpart of THyperLink component. When
* {@link TBaseActiveControl::setEnableUpdate ActiveControl.EnableUpdate}
* property is true the during a callback request, setting {@link setText Text}
* property will also set the text of the label on the client upon callback
* completion. Similarly, for other properties such as {@link setImageUrl ImageUrl},
* {@link setNavigateUrl NavigateUrl} and {@link setTarget Target}.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TActiveHyperLink extends THyperLink 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 $this->getAdapter()->getBaseActiveControl();
}
/**
* On callback response, the inner HTMl of the label is updated.
* @param string the text value of the label
*/
public function setText($value)
{
if(parent::getText() === $value)
return;
parent::setText($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getCallbackClient()->update($this, $value);
}
/**
* Sets the location of image file of the THyperLink.
* @param string the image file location
*/
public function setImageUrl($value)
{
if(parent::getImageUrl() === $value)
return;
parent::setImageUrl($value);
if($this->getActiveControl()->canUpdateClientSide() && $value !== '')
{
$textWriter = new TTextWriter;
$renderer = Prado::createComponent($this->GetResponse()->getHtmlWriterType(), $textWriter);
$this->createImage($value)->renderControl($renderer);
$this->getPage()->getCallbackClient()->update($this, $textWriter->flush());
}
}
/**
* Sets the URL to link to when the THyperLink component is clicked.
* @param string the URL
*/
public function setNavigateUrl($value)
{
if(parent::getNavigateUrl() === $value)
return;
parent::setNavigateUrl($value);
if($this->getActiveControl()->canUpdateClientSide())
{
//replace & with & and urldecode the url (setting the href using javascript is literal)
$url = urldecode(str_replace('&', '&', $value));
$this->getPage()->getCallbackClient()->setAttribute($this, 'href', $url);
}
}
/**
* Sets the target window or frame to display the Web page content linked to when the THyperLink component is clicked.
* @param string the target window, valid values include '_blank', '_parent', '_self', '_top' and empty string.
*/
public function setTarget($value)
{
if(parent::getTarget() === $value)
return;
parent::setTarget($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getCallbackClient()->setAttribute($this, 'target', $value);
}
}
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