Implemented Brush Picker.

1 files changed, 64 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.BrushPicker/Utils/TextBoxBehavior.cs b/Software/Visual_Studio/Tango.BrushPicker/Utils/TextBoxBehavior.cs
new file mode 100644
index 000000000..d9a096312
--- /dev/null
+++ b/Software/Visual_Studio/Tango.BrushPicker/Utils/TextBoxBehavior.cs
@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace Tango.BrushPicker
+{
+    public class TextBoxBehavior
+    {
+        public static bool GetSelectAllTextOnFocus(TextBox textBox)
+        {
+            return (bool)textBox.GetValue(SelectAllTextOnFocusProperty);
+        }
+
+        public static void SetSelectAllTextOnFocus(TextBox textBox, bool value)
+        {
+            textBox.SetValue(SelectAllTextOnFocusProperty, value);
+        }
+
+        public static readonly DependencyProperty SelectAllTextOnFocusProperty =
+            DependencyProperty.RegisterAttached(
+                "SelectAllTextOnFocus",
+                typeof(bool),
+                typeof(TextBoxBehavior),
+                new UIPropertyMetadata(false, OnSelectAllTextOnFocusChanged));
+
+        private static void OnSelectAllTextOnFocusChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            var textBox = d as TextBox;
+            if (textBox == null) return;
+
+            if (e.NewValue is bool == false) return;
+
+            if ((bool)e.NewValue)
+            {
+                textBox.GotFocus += SelectAll;
+                textBox.PreviewMouseDown += IgnoreMouseButton;
+            }
+            else
+            {
+                textBox.GotFocus -= SelectAll;
+                textBox.PreviewMouseDown -= IgnoreMouseButton;
+            }
+        }
+
+        private static void SelectAll(object sender, RoutedEventArgs e)
+        {
+            var textBox = e.OriginalSource as TextBox;
+            if (textBox == null) return;
+            textBox.SelectAll();
+        }
+
+        private static void IgnoreMouseButton(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        {
+            var textBox = sender as TextBox;
+            if (textBox == null || textBox.IsKeyboardFocusWithin) return;
+
+            e.Handled = true;
+            textBox.Focus();
+        }
+    }  
+}