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// 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
/span>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; } } }