Merge branch 'master' of https://twinetfs.visualstudio.com/_git/Tango

1 files changed, 60 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Search/DropDownButton.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Search/DropDownButton.cs
new file mode 100644
index 000000000..dca5bea30
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Search/DropDownButton.cs
@@ -0,0 +1,60 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+
+namespace Tango.Scripting.Editors.Search
+{
+	/// <summary>
+	/// A button that opens a drop-down menu when clicked.
+	/// </summary>
+	class DropDownButton : ButtonBase
+	{
+		public static readonly DependencyProperty DropDownContentProperty
+			= DependencyProperty.Register("DropDownContent", typeof(Popup),
+			                              typeof(DropDownButton), new FrameworkPropertyMetadata(null));
+		
+		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]
+		protected static readonly DependencyPropertyKey IsDropDownContentOpenPropertyKey
+			= DependencyProperty.RegisterReadOnly("IsDropDownContentOpen", typeof(bool),
+			                                      typeof(DropDownButton), new FrameworkPropertyMetadata(false));
+		
+		public static readonly DependencyProperty IsDropDownContentOpenProperty = IsDropDownContentOpenPropertyKey.DependencyProperty;
+		
+		static DropDownButton()
+		{
+			DefaultStyleKeyProperty.OverrideMetadata(typeof(DropDownButton), new FrameworkPropertyMetadata(typeof(DropDownButton)));
+		}
+		
+		public Popup DropDownContent {
+			get { return (Popup)GetValue(DropDownContentProperty); }
+			set { SetValue(DropDownContentProperty, value); }
+		}
+		
+		public bool IsDropDownContentOpen {
+			get { return (bool)GetValue(IsDropDownContentOpenProperty); }
+			protected set { SetValue(IsDropDownContentOpenPropertyKey, value); }
+		}
+		
+		protected override void OnClick()
+		{
+			if (DropDownContent != null && !IsDropDownContentOpen) {
+				DropDownContent.Placement = PlacementMode.Bottom;
+				DropDownContent.PlacementTarget = this;
+				DropDownContent.IsOpen = true;
+				DropDownContent.Closed += DropDownContent_Closed;
+				this.IsDropDownContentOpen = true;
+			}
+		}
+		
+		void DropDownContent_Closed(object sender, EventArgs e)
+		{
+			((Popup)sender).Closed -= DropDownContent_Closed;
+			this.IsDropDownContentOpen = false;
+		}
+	}
+}