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Src/Xceed.Wpf.Toolkit/WatermarkTextBox/Implementation/WatermarkTextBox.cs

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+/*************************************************************************************
+
+   Extended WPF Toolkit
+
+   Copyright (C) 2007-2013 Xceed Software Inc.
+
+   This program is provided to you under the terms of the Microsoft Public
+   License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license 
+
+   For more features, controls, and fast professional support,
+   pick up the Plus Edition at http://xceed.com/wpf_toolkit
+
+   Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
+
+  ***********************************************************************************/
+
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System;
+
+namespace Xceed.Wpf.Toolkit
+{
+#pragma warning disable 0618
+
+  public class WatermarkTextBox : AutoSelectTextBox
+  {
+    #region Properties
+
+    #region SelectAllOnGotFocus (Obsolete)
+
+    [Obsolete( "This property is obsolete and should no longer be used. Use AutoSelectTextBox.AutoSelectBehavior instead." )]
+    public static readonly DependencyProperty SelectAllOnGotFocusProperty = DependencyProperty.Register( "SelectAllOnGotFocus", typeof( bool ), typeof( WatermarkTextBox ), new PropertyMetadata( false ) );
+    [Obsolete( "This property is obsolete and should no longer be used. Use AutoSelectTextBox.AutoSelectBehavior instead." )]
+    public bool SelectAllOnGotFocus
+    {
+      get
+      {
+        return ( bool )GetValue( SelectAllOnGotFocusProperty );
+      }
+      set
+      {
+        SetValue( SelectAllOnGotFocusProperty, value );
+      }
+    }
+
+    #endregion //SelectAllOnGotFocus
+
+    #region KeepWatermarkOnGotFocus
+
+    public static readonly DependencyProperty KeepWatermarkOnGotFocusProperty = DependencyProperty.Register( "KeepWatermarkOnGotFocus", typeof( bool ), typeof( WatermarkTextBox ), new UIPropertyMetadata( false ) );
+    public bool KeepWatermarkOnGotFocus
+    {
+      get
+      {
+        return ( bool )GetValue( KeepWatermarkOnGotFocusProperty );
+      }
+      set
+      {
+        SetValue( KeepWatermarkOnGotFocusProperty, value );
+      }
+    }
+
+    #endregion //KeepWatermarkOnGotFocus
+
+    #region Watermark
+
+    public static readonly DependencyProperty WatermarkProperty = DependencyProperty.Register( "Watermark", typeof( object ), typeof( WatermarkTextBox ), new UIPropertyMetadata( null ) );
+    public object Watermark
+    {
+      get
+      {
+        return ( object )GetValue( WatermarkProperty );
+      }
+      set
+      {
+        SetValue( WatermarkProperty, value );
+      }
+    }
+
+    #endregion //Watermark
+
+    #region WatermarkTemplate
+
+    public static readonly DependencyProperty WatermarkTemplateProperty = DependencyProperty.Register( "WatermarkTemplate", typeof( DataTemplate ), typeof( WatermarkTextBox ), new UIPropertyMetadata( null ) );
+    public DataTemplate WatermarkTemplate
+    {
+      get
+      {
+        return ( DataTemplate )GetValue( WatermarkTemplateProperty );
+      }
+      set
+      {
+        SetValue( WatermarkTemplateProperty, value );
+      }
+    }
+
+    #endregion //WatermarkTemplate
+
+    #endregion //Properties
+
+    #region Constructors
+
+    static WatermarkTextBox()
+    {
+      DefaultStyleKeyProperty.OverrideMetadata( typeof( WatermarkTextBox ), new FrameworkPropertyMetadata( typeof( WatermarkTextBox ) ) );
+    }
+
+    #endregion //Constructors
+
+    #region Base Class Overrides
+
+    protected override void OnGotFocus( RoutedEventArgs e )
+    {
+      base.OnGotFocus( e );
+
+      if( SelectAllOnGotFocus )
+        SelectAll();
+    }
+
+    protected override void OnPreviewMouseLeftButtonDown( MouseButtonEventArgs e )
+    {
+      if( !IsKeyboardFocused && SelectAllOnGotFocus )
+      {
+        e.Handled = true;
+        Focus();
+      }
+
+      base.OnPreviewMouseLeftButtonDown( e ); //Focus AutoSelectTextBox and eat the event
+    }
+
+    #endregion //Base Class Overrides
+  }
+
+#pragma warning restore 0618
+}