From d7c8a56d49200cb46d94403934674d670035ff20 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Wed, 22 Feb 2006 05:09:29 +0000
Subject: cleanup of validators.

---
 .../Web/UI/WebControls/TDataTypeValidator.php      | 107 +++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 framework/Web/UI/WebControls/TDataTypeValidator.php

(limited to 'framework/Web/UI/WebControls/TDataTypeValidator.php')

diff --git a/framework/Web/UI/WebControls/TDataTypeValidator.php b/framework/Web/UI/WebControls/TDataTypeValidator.php
new file mode 100644
index 00000000..daaa9b6e
--- /dev/null
+++ b/framework/Web/UI/WebControls/TDataTypeValidator.php
@@ -0,0 +1,107 @@
+<?php
+/**
+ * TDataTypeValidator class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  $Date: $
+ * @package System.Web.UI.WebControls
+ */
+
+/**
+ * Using TBaseValidator class
+ */
+Prado::using('System.Web.UI.WebControls.TBaseValidator');
+
+/**
+ * TDataTypeValidator class
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: $  $Date: $
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TDataTypeValidator extends TBaseValidator
+{
+	/**
+	 * @return string the data type that the values being compared are converted to before the comparison is made. Defaults to String.
+	 */
+	public function getValueType()
+	{
+		return $this->getViewState('ValueType','String');
+	}
+
+	/**
+	 * Sets the data type (Integer, Double, Currency, Date, String) that the values being compared are converted to before the comparison is made.
+	 * @param string the data type
+	 */
+	public function setValueType($value)
+	{
+		$this->setViewState('ValueType',TPropertyValue::ensureEnum($value,'Integer','Double','Date','Currency','String'),'String');
+	}
+
+	/**
+     * Sets the date format for a date validation
+     * @param string the date format value
+     */
+	public function setDateFormat($value)
+	{
+		$this->setViewState('DateFormat', $value, '');
+	}
+
+	/**
+	 * @return string the date validation date format if any
+	 */
+	public function getDateFormat()
+	{
+		return $this->getViewState('DateFormat', '');
+	}
+
+
+	/**
+	 * Determine if the given value is of a particular type using RegExp.
+	 * @param string value to check
+	 * @return boolean true if value fits the type expression.
+	 */
+	protected function evaluateDataTypeCheck($value)
+	{
+		switch($this->getValueType())
+		{
+			case 'Integer':
+				return preg_match('/^[-+]?[0-9]+$/',trim($value));
+			case 'Float':
+				return preg_match('/^[-+]?([0-9]*\.)?[0-9]+([eE][-+]?[0-9]+)?$/',trim($value));
+			case 'Currency':
+				return preg_match('/[-+]?([0-9]*\.)?[0-9]+([eE][-+]?[0-9]+)?$/',trim($value));
+			case 'Date':
+				$dateFormat = $this->getDateFormat();
+				if(strlen($dateFormat))
+				{
+					$formatter = Prado::createComponent('System.Data.TSimpleDateFormatter',$dateFormat);
+					return $formatter->isValidDate($value);
+				}
+				else
+					return strtotime($value) > 0;
+		}
+		return true;
+	}
+
+	/**
+	 * This method overrides the parent's implementation.
+	 * The validation succeeds if the input data is of valid type.
+	 * The validation always succeeds if ControlToValidate is not specified
+	 * or the input data is empty.
+	 * @return boolean whether the validation succeeds
+	 */
+	public function evaluateIsValid()
+	{
+		if(($value=$this->getValidationValue($this->getValidationTarget()))==='')
+			return true;
+
+		return $this->evaluateDataTypeCheck($value);
+	}
+}
+
+?>
\ No newline at end of file
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