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// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this |
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// software and associated documentation files (the "Software"), to deal in the Software |
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// without restriction, including without limitation the rights to use, copy, modify, merge, |
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons |
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// to whom the Software is furnished to do so, subject to the following conditions: |
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// |
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// The above copyright notice and this permission notice shall be included in all copies or |
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// substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE |
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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// DEALINGS IN THE SOFTWARE. |
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using System; |
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using System.Windows; |
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using System.Windows.Controls.Primitives; |
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namespace ICSharpCode.AvalonEdit.Search |
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{ |
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/// <summary> |
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/// A button that opens a drop-down menu when clicked. |
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/// </summary> |
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public class DropDownButton : ButtonBase |
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{ |
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/// <summary> |
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/// Identifies the <see cref="DropDownContentProperty" /> dependency property. |
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/// </summary> |
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public static readonly DependencyProperty DropDownContentProperty |
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= DependencyProperty.Register("DropDownContent", typeof(Popup), |
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typeof(DropDownButton), new FrameworkPropertyMetadata(null)); |
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/// <summary> |
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/// The key that identifies the <see cref="IsDropDownContentOpenProperty" /> dependency property. |
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/// </summary> |
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")] |
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protected static readonly DependencyPropertyKey IsDropDownContentOpenPropertyKey |
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= DependencyProperty.RegisterReadOnly("IsDropDownContentOpen", typeof(bool), |
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typeof(DropDownButton), new FrameworkPropertyMetadata(false)); |
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/// <summary> |
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/// Identifies the <see cref="IsDropDownContentOpenProperty" /> dependency property. |
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/// </summary> |
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public static readonly DependencyProperty IsDropDownContentOpenProperty = IsDropDownContentOpenPropertyKey.DependencyProperty; |
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static DropDownButton() |
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{ |
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DefaultStyleKeyProperty.OverrideMetadata(typeof(DropDownButton), new FrameworkPropertyMetadata(typeof(DropDownButton))); |
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} |
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/// <summary> |
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/// Gets/Sets the popup that is used as drop-down content. |
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/// </summary> |
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public Popup DropDownContent { |
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get { return (Popup)GetValue(DropDownContentProperty); } |
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set { SetValue(DropDownContentProperty, value); } |
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} |
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/// <summary> |
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/// Gets whether the drop-down is opened. |
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/// </summary> |
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public bool IsDropDownContentOpen { |
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get { return (bool)GetValue(IsDropDownContentOpenProperty); } |
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protected set { SetValue(IsDropDownContentOpenPropertyKey, value); } |
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} |
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/// <inheritdoc/> |
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protected override void OnClick() |
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{ |
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if (DropDownContent != null && !IsDropDownContentOpen) { |
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DropDownContent.Placement = PlacementMode.Bottom; |
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DropDownContent.PlacementTarget = this; |
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DropDownContent.IsOpen = true; |
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DropDownContent.Closed += DropDownContent_Closed; |
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this.IsDropDownContentOpen = true; |
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} |
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} |
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void DropDownContent_Closed(object sender, EventArgs e) |
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{ |
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((Popup)sender).Closed -= DropDownContent_Closed; |
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this.IsDropDownContentOpen = false; |
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} |
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} |
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}
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