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<?php
/**
* TContentPlaceHolder 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
*/
/**
* TContentPlaceHolder class
*
* TContentPlaceHolder reserves a place on a template where a {@link TContent}
* control can inject itself and its children in. TContentPlaceHolder and {@link TContent}
* together implement a decoration pattern for prado templated controls.
* A template control (called content control) can specify a master control
* whose template contains some TContentPlaceHolder controls.
* {@link TContent} controls on the content control's template will replace the corresponding
* {@link TContentPlaceHolder} controls on the master control's template.
* This is called content injection. It is done by matching the IDs of
* {@link TContent} and {@link TContentPlaceHolder} controls.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Revision: $ $Date: $
* @package System.Web.UI.WebControls
* @since 3.0
*/
class TContentPlaceHolder extends TControl
{
/**
* This method is invoked after the control is instantiated on a template.
* This overrides the parent implementation by registering the content placeholder
* control to the template owner control. The placeholder control will NOT
* be added to the potential parent control!
* @param TControl potential parent of this control
*/
public function createdOnTemplate($parent)
{
$loc=$parent->getHasControls()?$parent->getControls()->getCount():0;
$this->getTemplateControl()->registerContentPlaceHolder($this->getID(),$parent,$loc);
}
}
?>
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