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<?php
/**
* TBaseActiveControl and TBaseActiveCallbackControl class file.
*
* @author Wei Zhuo <weizhuo[at]gamil[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Prado\Web\UI\ActiveControls
*/
namespace Prado\Web\UI\ActiveControls;
Prado::using('System.Web.UI.ActiveControls.TCallbackClientSide');
/**
* TBaseActiveControl class provided additional basic property for every
* active control. An instance of TBaseActiveControl or its decendent
* TBaseActiveCallbackControl is created by {@link TActiveControlAdapter::getBaseActiveControl()}
* method.
*
* The {@link setEnableUpdate EnableUpdate} property determines wether the active
* control is allowed to update the contents of the client-side when the callback
* response returns.
*
* @author Wei Zhuo <weizhuo[at]gamil[dot]com>
* @package Prado\Web\UI\ActiveControls
* @since 3.1
*/
class TBaseActiveControl extends TComponent
{
/**
* @var TMap map of active control options.
*/
private $_options;
/**
* @var TControl attached control.
*/
private $_control;
/**
* Constructor. Attach a base active control to an active control instance.
* @param TControl active control
*/
public function __construct($control)
{
$this->_control = $control;
$this->_options = new TMap;
}
/**
* Sets a named options with a value. Options are used to store and retrive
* named values for the base active controls.
* @param string option name.
* @param mixed new value.
* @param mixed default value.
* @return mixed options value.
*/
protected function setOption($name,$value,$default=null)
{
$value = ($value===null) ? $default : $value;
if($value!==null)
$this->_options->add($name,$value);
}
/**
* Gets an option named value. Options are used to store and retrive
* named values for the base active controls.
* @param string option name.
* @param mixed default value.
* @return mixed options value.
*/
protected function getOption($name,$default=null)
{
$item = $this->_options->itemAt($name);
return ($item===null) ? $default : $item;
}
/**
* @return TMap active control options
*/
protected function getOptions()
{
return $this->_options;
}
/**
* @return TPage the page containing the attached control.
*/
protected function getPage()
{
return $this->_control->getPage();
}
/**
* @return TControl the attached control.
*/
protected function getControl()
{
return $this->_control;
}
/**
* @param boolean true to allow fine grain callback updates.
*/
public function setEnableUpdate($value)
{
$this->setOption('EnableUpdate', TPropertyValue::ensureBoolean($value), true);
}
/**
* @return boolean true to allow fine grain callback updates.
*/
public function getEnableUpdate()
{
return $this->getOption('EnableUpdate', true);
}
/**
* Returns true if callback response is allowed to update the browser contents.
* Is is true if the control is initilized, and is a callback request and
* the {@link setEnableUpdate EnableUpdate} property is true and
* the page is not loading post data.
* @return boolean true if the callback response is allowed update
* client-side contents.
*/
public function canUpdateClientSide($bDontRequireVisibility=false)
{
return $this->getControl()->getHasChildInitialized()
&& $this->getPage()->getIsLoadingPostData() == false
&& $this->getPage()->getIsCallback()
&& $this->getEnableUpdate()
&& ($bDontRequireVisibility || $this->getControl()->getVisible());
}
}
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