diff options
author | emkael <emkael@tlen.pl> | 2016-02-24 23:18:07 +0100 |
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committer | emkael <emkael@tlen.pl> | 2016-02-24 23:18:07 +0100 |
commit | 6f7fdef0f500cd4bb540affd3bc1482243f337c1 (patch) | |
tree | 4853eecd0769a903e6130c1896e1d070848150dd /lib/prado/framework/Web/UI/WebControls/TCustomValidator.php | |
parent | 61f2ea48a4e11cb5fb941b3783e19c9e9ef38a45 (diff) |
* Prado 3.3.0
Diffstat (limited to 'lib/prado/framework/Web/UI/WebControls/TCustomValidator.php')
-rw-r--r-- | lib/prado/framework/Web/UI/WebControls/TCustomValidator.php | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/lib/prado/framework/Web/UI/WebControls/TCustomValidator.php b/lib/prado/framework/Web/UI/WebControls/TCustomValidator.php new file mode 100644 index 0000000..ca31a2a --- /dev/null +++ b/lib/prado/framework/Web/UI/WebControls/TCustomValidator.php @@ -0,0 +1,204 @@ +<?php +/** + * TCustomValidator class file + * + * @author Qiang Xue <qiang.xue@gmail.com> + * @link https://github.com/pradosoft/prado + * @copyright Copyright © 2005-2015 The PRADO Group + * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT + * @package System.Web.UI.WebControls + */ + +/** + * Using TBaseValidator class + */ +Prado::using('System.Web.UI.WebControls.TBaseValidator'); + +/** + * TCustomValidator class + * + * TCustomValidator performs user-defined validation (either + * server-side or client-side or both) on an input component. + * + * To create a server-side validation function, provide a handler for + * the {@link onServerValidate OnServerValidate} event that performs the validation. + * The data string of the input control to validate can be accessed + * by {@link TServerValidateEventParameter::getValue Value} of the event parameter. + * The result of the validation should be stored in the + * {@link TServerValidateEventParameter::getIsValid IsValid} property of the event + * parameter. + * + * To create a client-side validation function, add the client-side + * validation javascript function to the page template. + * The function should have the following signature: + * <code> + * <script type="text/javascript"><!-- + * function ValidationFunctionName(sender, parameter) + * { + * // if(parameter == ...) + * // return true; + * // else + * // return false; + * } + * --></script> + * </code> + * Use the {@link setClientValidationFunction ClientValidationFunction} property + * to specify the name of the client-side validation script function associated + * with the TCustomValidator. + * + * @author Qiang Xue <qiang.xue@gmail.com> + * @package System.Web.UI.WebControls + * @since 3.0 + */ +class TCustomValidator extends TBaseValidator +{ + /** + * Gets the name of the javascript class responsible for performing validation for this control. + * This method overrides the parent implementation. + * @return string the javascript class name + */ + protected function getClientClassName() + { + return 'Prado.WebUI.TCustomValidator'; + } + + /** + * @return string the name of the custom client-side script function used for validation. + */ + public function getClientValidationFunction() + { + return $this->getViewState('ClientValidationFunction',''); + } + + /** + * Sets the name of the custom client-side script function used for validation. + * @param string the script function name + */ + public function setClientValidationFunction($value) + { + $this->setViewState('ClientValidationFunction',$value,''); + } + + /** + * This method overrides the parent's implementation. + * The validation succeeds if {@link onServerValidate} returns true. + * @return boolean whether the validation succeeds + */ + public function evaluateIsValid() + { + $value = ''; + if($this->getValidationTarget()!==null) + $value=$this->getValidationValue($this->getValidationTarget()); + return $this->onServerValidate($value); + } + + /** + * This method is invoked when the server side validation happens. + * It will raise the <b>OnServerValidate</b> event. + * The method also allows derived classes to handle the event without attaching a delegate. + * <b>Note</b> The derived classes should call parent implementation + * to ensure the <b>OnServerValidate</b> event is raised. + * @param string the value to be validated + * @return boolean whether the value is valid + */ + public function onServerValidate($value) + { + $param=new TServerValidateEventParameter($value,true); + $this->raiseEvent('OnServerValidate',$this,$param); + return $param->getIsValid(); + } + + /** + * @return TControl control to be validated. Null if no control is found. + */ + public function getValidationTarget() + { + if(($id=$this->getControlToValidate())!=='' && ($control=$this->findControl($id))!==null) + return $control; + else if(($id=$this->getControlToValidate())!=='') + throw new TInvalidDataTypeException('basevalidator_validatable_required',get_class($this)); + else + return null; + } + + /** + * Returns an array of javascript validator options. + * @return array javascript validator options. + */ + protected function getClientScriptOptions() + { + $options=parent::getClientScriptOptions(); + if(($clientJs=$this->getClientValidationFunction())!=='') + $options['ClientValidationFunction']=$clientJs; + return $options; + } + + /** + * Only register the client-side validator if + * {@link setClientValidationFunction ClientValidationFunction} is set. + */ + protected function registerClientScriptValidator() + { + if($this->getClientValidationFunction()!=='') + parent::registerClientScriptValidator(); + } +} + +/** + * TServerValidateEventParameter class + * + * TServerValidateEventParameter encapsulates the parameter data for + * <b>OnServerValidate</b> event of TCustomValidator components. + * + * @author Qiang Xue <qiang.xue@gmail.com> + * @package System.Web.UI.WebControls + * @since 3.0 + */ +class TServerValidateEventParameter extends TEventParameter +{ + /** + * the value to be validated + * @var string + */ + private $_value=''; + /** + * whether the value is valid + * @var boolean + */ + private $_isValid=true; + + /** + * Constructor. + * @param string property value to be validated + * @param boolean whether the value is valid + */ + public function __construct($value,$isValid) + { + $this->_value=$value; + $this->setIsValid($isValid); + } + + /** + * @return string value to be validated + */ + public function getValue() + { + return $this->_value; + } + + /** + * @return boolean whether the value is valid + */ + public function getIsValid() + { + return $this->_isValid; + } + + /** + * @param boolean whether the value is valid + */ + public function setIsValid($value) + { + $this->_isValid=TPropertyValue::ensureBoolean($value); + } +} |