/**
* Returns a javascript that can be used to trigger client-side postback event.
* You have to add your own javascript surrounding elements if necessary.
* @param TComponent the control that needs to trigger the postback event
* @param string a parameter to be included with the postback event
*/
public function getPostBackClientEvent($target, $param)
{
if (is_null($this->form)) {
if (is_null($this->masterPage)) {
throw new Exception('A form control is required');
} else {
return $this->masterPage->getPostBackClientEvent($target, $param);
}
}
$name = $target->getUniqueID();
$postBack = self::JS_POSTBACK;
$event = "{$postBack}('{$name}','{$param}');";
if ($this->isBeginScriptRegistered(self::JS_POSTBACK)) {
return $event;
}
$formName = $this->form->getClientID();
$script = "\nfunction {$postBack}(eventTarget, eventParameter) {\n\tvar validation = typeof(Prado) != 'undefined' && typeof(Prado.Validation) != 'undefined';\n\tvar theform = document.getElementById ? document.getElementById(\"{$formName}\") : document.forms[\"{$formName}\"];\n\ttheform.__EVENTTARGET.value = eventTarget.split(\"\$\").join(\":\");\n\ttheform.__EVENTPARAMETER.value = eventParameter;\n\tif(!validation || Prado.Validation.OnSubmit(theform))\n\t\ttheform.submit();\n}\n";
$this->registerBeginScript(self::JS_POSTBACK, $script);
$this->registerHiddenField(self::INPUT_EVENTTARGET, '');
$this->registerHiddenField(self::INPUT_EVENTPARAMETER, '');
return $event;
}
