DotNet 4.8.1 build of DotNetBar

PROMS/DotNetBar Source Code/Validator/RegularExpressionValidator.cs

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+#if FRAMEWORK20
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.ComponentModel;
+using System.Text.RegularExpressions;
+
+namespace DevComponents.DotNetBar.Validator
+{
+    /// <summary>
+    /// Represents the regular expression validator used with SuperValidator control.
+    /// </summary>
+    public class RegularExpressionValidator : ValidatorBase
+    {
+        #region Implementation
+        /// <summary>
+        /// Initializes a new instance of the RegularExpressionValidator class.
+        /// </summary>
+        public RegularExpressionValidator()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the RegularExpressionValidator class.
+        /// </summary>
+        /// <param name="validationExpression"></param>
+        public RegularExpressionValidator(string errorMessage, string validationExpression)
+        {
+            _ValidationExpression = validationExpression;
+            this.ErrorMessage = errorMessage;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the RegularExpressionValidator class.
+        /// </summary>
+        /// <param name="validationExpression"></param>
+        public RegularExpressionValidator(string errorMessage, string validationExpression, bool emptyValueIsValid)
+        {
+            _ValidationExpression = validationExpression;
+            this.ErrorMessage = errorMessage;
+            this.EmptyValueIsValid = emptyValueIsValid;
+        }
+
+         /// <summary>
+        /// Initializes a new instance of the RegularExpressionValidator class.
+        /// </summary>
+        /// <param name="validationExpression"></param>
+        public RegularExpressionValidator(string errorMessage, string validationExpression, string optionalValidationGroup, bool emptyValueIsValid)
+        {
+            _ValidationExpression = validationExpression;
+            this.ErrorMessage = errorMessage;
+            this.OptionalValidationGroup = optionalValidationGroup;
+        }
+
+        private string _ValidationExpression = "";
+        /// <summary>
+        /// Gets or sets regular expression used to validate controls value.
+        /// </summary>
+        [DefaultValue(""), Category("Behavior"), Description("Indicates regular expression used to validate controls value."), Editor("DevComponents.DotNetBar.Design.ValidationExpressionEditor, DevComponents.DotNetBar.Design, Version=14.1.0.37, Culture=neutral,  PublicKeyToken=90f470f34c89ccaf", typeof(System.Drawing.Design.UITypeEditor))]
+        public string ValidationExpression
+        {
+            get { return _ValidationExpression; }
+            set
+            {
+                _ValidationExpression = value;
+            }
+        }
+
+        private bool _EmptyValueIsValid = false;
+        /// <summary>
+        /// Gets or sets whether empty value is considered valid value by the validator. Default value is false.
+        /// </summary>
+        [DefaultValue(false), Category("Behavior"), Description("Indicates whether empty value is considered valid value by the validator")]
+        public bool EmptyValueIsValid
+        {
+            get { return _EmptyValueIsValid; }
+            set
+            {
+                _EmptyValueIsValid = value;
+            }
+        }
+        
+
+        public override bool Validate(System.Windows.Forms.Control input)
+        {
+            if (string.IsNullOrEmpty(_ValidationExpression))
+            {
+                this.LastValidationResult = true;
+                return true;
+            }
+            object value = GetControlValue(input);
+            string textValue = "";
+
+            if (value != null)
+            {
+                textValue = value.ToString();
+            }
+
+            if (_EmptyValueIsValid && string.IsNullOrEmpty(textValue))
+            {
+                this.LastValidationResult = true;
+                return true;
+            }
+
+            Regex regularExpression = new Regex(_ValidationExpression);
+
+            this.LastValidationResult = regularExpression.IsMatch(textValue);
+            return LastValidationResult;
+        }
+        #endregion
+    }
+}
+#endif