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<?php
/**
* TActiveMultiView class file
*
* @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
* @link http://www.landwehr-software.de/
* @copyright Copyright © 2009 LANDWEHR Computer und Software GmbH
* @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @package System.Web.UI.ActiveControls
*/
/**
* Includes the following used classes
*/
Prado::using('System.Web.UI.WebControls.TMultiView');
/**
* TActiveMultiView class.
*
* TActiveMultiView is the active counterpart to the original {@link TMultiView} control.
* It re-renders on Callback when {@link setActiveView ActiveView} or
* {@link setActiveViewIndex ActiveViewIndex} is called.
*
* Please refer to the original documentation of the regular counterpart for usage.
*
* @author LANDWEHR Computer und Software GmbH <programmierung@landwehr-software.de>
* @package System.Web.UI.ActiveControls
* @since 3.1.6
*/
class TActiveMultiView extends TMultiView implements IActiveControl
{
/**
* Creates a new callback control, sets the adapter to
* TActiveControlAdapter.
*/
public function __construct()
{
parent::__construct();
$this->setAdapter(new TActiveControlAdapter($this));
}
/**
* @return TBaseActiveControl standard active control options.
*/
public function getActiveControl()
{
return $this->getAdapter()->getBaseActiveControl();
}
/**
* Returns the id of the surrounding container (span).
* @return string container id
*/
protected function getContainerID()
{
return $this->ClientID.'_Container';
}
/**
* Renders the TActiveMultiView.
* If the MutliView did not pass the prerender phase yet, it will register itself for rendering later.
* Else it will call the {@link renderMultiView()} method which will do the rendering of the MultiView.
* @param THtmlWriter writer for the rendering purpose
*/
public function render($writer)
{
if($this->getHasPreRendered()) {
$this->renderMultiView($writer);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getCallbackClient()->replaceContent($this->getContainerID(),$writer);
}
else
$this->getPage()->getAdapter()->registerControlToRender($this,$writer);
}
/**
* Renders the TActiveMultiView by writing a span tag with the container id obtained from {@link getContainerID()}
* which will be called by the replacement method of the client script to update it's content.
* @param $writer THtmlWriter writer for the rendering purpose
*/
protected function renderMultiView($writer)
{
$writer->addAttribute('id', $this->getContainerID());
$writer->renderBeginTag('span');
parent::render($writer);
$writer->renderEndTag();
}
/**
* @param integer the zero-based index of the current view in the view collection. -1 if no active view.
* @throws TInvalidDataValueException if the view index is invalid
*/
public function setActiveViewIndex($value)
{
if(parent::getActiveViewIndex() === $value)
return;
parent::setActiveViewIndex($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getAdapter()->registerControlToRender($this,$this->getResponse()->createHtmlWriter());
}
/**
* @param TView the view to be activated
* @throws TInvalidOperationException if the view is not in the view collection
*/
public function setActiveView($value)
{
if(parent::getActiveView() === $value)
return;
parent::setActiveView($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getAdapter()->registerControlToRender($this,$this->getResponse()->createHtmlWriter());
}
}
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