support disable editingTip Fixes #37

Author: heartacker

source/NumericUpDownLib/Base/AbstractBaseUpDown.cs

@@ -423,10 +423,10 @@ public bool IsUpdateValueWhenLostFocus
 		/// <summary>
 		/// Gets/sets determines the input text is valid or not.
 		/// </summary>
-		protected bool IsDataValid
+		public bool IsValueValid
 		{
 			get { return _IsDataValid; }
-			set
+			protected set
 			{
 				if (_IsDataValid != value)
 				{
@@ -437,7 +437,7 @@ protected bool IsDataValid
 						new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Red);
 
 					// FIX THE behavior when user input unsupported char like ghijk
-					if (!_IsDataValid)
+					if (IsEnableValidatingIndicator && !_IsDataValid)
 					{
 						EditingVisibility = Visibility.Visible;
 					}
@@ -456,7 +456,8 @@ protected T LastEditingNumericValue
 			set
 			{
 				lastEditingNumericValue = value;
-				EditingVisibility = lastEditingNumericValue.Equals(Value) ? Visibility.Hidden : Visibility.Visible;
+				if(IsEnableValidatingIndicator)
+					EditingVisibility = lastEditingNumericValue.Equals(Value) ? Visibility.Hidden : Visibility.Visible;
 			}
 		}
 
@@ -832,7 +833,7 @@ private void _PART_TextBox_LostFocus(object sender, RoutedEventArgs e)
 					FormatText(_PART_TextBox.Text);
 
 				// trigger the change event if IsUpdateValueWhenLostFocus=true and value is valid
-				if (IsUpdateValueWhenLostFocus && IsDataValid)
+				if (IsUpdateValueWhenLostFocus && IsValueValid)
 				{
 					Value = FormatText(_PART_TextBox.Text, true);
 					LastEditingNumericValue = Value;
@@ -861,7 +862,7 @@ protected void _PART_TextBox_TextChanged(object sender,
 				if (UserInput == true)
 				{
 					T temp = LastEditingNumericValue;
-					IsDataValid = VerifyText(_PART_TextBox.Text, ref temp);
+					IsValueValid = VerifyText(_PART_TextBox.Text, ref temp);
 					if (!LastEditingNumericValue.Equals(temp))
 					{
 						LastEditingNumericValue = temp;
@@ -975,7 +976,7 @@ private void textBox_PreviewKeyDown(object sender, KeyEventArgs e)
 			{
 				if (_PART_TextBox != null)
 				{
-					if (!IsDataValid)
+					if (!IsValueValid)
 					{
 						e.Handled = true;
 						return;

source/NumericUpDownLib/Base/InputBaseUpDown.xaml.cs

@@ -27,12 +27,17 @@ public abstract class InputBaseUpDown : Control
 			DependencyProperty.Register("NumberStyle", typeof(NumberStyles),
 				typeof(InputBaseUpDown), new PropertyMetadata(NumberStyles.Any));
 
+		/// <summary>
+		/// Backing store of <see cref="IsEnableValidatingIndicator"/> dependency property.
+		/// </summary>
+		public static readonly DependencyProperty IsEnableValidatingIndicatorProperty =
+			DependencyProperty.Register("IsEnableValidatingIndicator", typeof(bool), typeof(InputBaseUpDown), new PropertyMetadata(true));
+
 		/// <summary>
 		/// Backing store of <see cref="EditingVisibility"/> dependency property.
 		/// </summary>
 		public static readonly DependencyProperty EditingVisibilityProperty =
-			DependencyProperty.Register("EditingVisibility", typeof(Visibility),
-				typeof(InputBaseUpDown), new PropertyMetadata(Visibility.Hidden));
+			DependencyProperty.Register("EditingVisibility", typeof(Visibility), typeof(InputBaseUpDown), new PropertyMetadata(Visibility.Hidden));
 
 		/// <summary>
 		/// Backing store of <see cref="EditingColorBrush"/> dependency property.
@@ -43,7 +48,7 @@ public abstract class InputBaseUpDown : Control
 
 
 		/// <summary>
-		/// identify that the inputing data is value,
+		/// identify that the inputing data is valid or not.,
 		/// </summary>
 		/// <value></value>
 		protected System.Windows.Media.SolidColorBrush EditingColorBrush
@@ -52,12 +57,25 @@ protected System.Windows.Media.SolidColorBrush EditingColorBrush
 			set { SetValue(EditingColorBrushProperty, value); }
 		}
 
+		/// <summary>
+		/// identify that the editing Visibility
+		/// </summary>
+		/// <value></value>
 		protected Visibility EditingVisibility
 		{
 			get { return (Visibility)GetValue(EditingVisibilityProperty); }
 			set { SetValue(EditingVisibilityProperty, value); }
 		}
 
+		/// <summary>
+		/// identify that the is enable the red/green tip while editing
+		/// </summary>
+		/// <value></value>
+		protected bool IsEnableValidatingIndicator
+		{
+			get { return (bool)GetValue(IsEnableValidatingIndicatorProperty); }
+			set { SetValue(IsEnableValidatingIndicatorProperty, value); }
+		}
 
 		private static RoutedCommand _IncreaseCommand;
 		private static RoutedCommand _DecreaseCommand;