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<?php
class TValueTriggeredCallback extends TTriggeredCallback
{
/**
* @return string The control property name to observe value changes.
*/
public function getPropertyName()
{
return $this->getViewState('PropertyName', '');
}
/**
* Sets the control property name to observe value changes that fires the callback request.
* @param string The control property name to observe value changes.
*/
public function setPropertyName($value)
{
$this->setViewState('PropertyName', $value, '');
}
/**
* Sets the polling interval in seconds to observe property changes.
* Default is 1 second.
* @param float polling interval in seconds.
*/
public function setPollingInterval($value)
{
$this->setViewState('Interval', TPropertyValue::ensureFloat($value), 1);
}
/**
* Gets the decay rate between callbacks. Default is 0;
* @return float decay rate between callbacks.
*/
public function getDecayRate()
{
return $this->getViewState('Decay', 0);
}
/**
* Sets the decay rate between callback. Default is 0;
* @param float decay rate between callbacks.
*/
public function setDecayRate($value)
{
$decay = TPropertyValue::ensureFloat($value);
if($decay < 0)
throw new TConfigurationException('callback_decay_be_not_negative', $this->getID());
$this->setViewState('Decay', $decay);
}
/**
* @return float polling interval, 1 second default.
*/
public function getPollingInterval()
{
return $this->getViewState('Interval', 1);
}
/**
* @return array list of timer options for client-side.
*/
protected function getTriggerOptions()
{
$options = parent::getTriggerOptions();
$options['PropertyName'] = $this->getPropertyName();
$options['Interval'] = $this->getPollingInterval();
$options['Decay'] = $this->getDecayRate();
return $options;
}
/**
* Registers the javascript code for initializing the active control.
* @param THtmlWriter the renderer.
*/
public function render($writer)
{
parent::render($writer);
$this->getActiveControl()->registerCallbackClientScript(
$this->getClientClassName(), $this->getTriggerOptions());
}
/**
* @return string corresponding javascript class name for TEventTriggeredCallback.
*/
protected function getClientClassName()
{
return 'Prado.WebUI.TValueTriggeredCallback';
}
}
?>
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