72 строки
2.2 KiB
C#
72 строки
2.2 KiB
C#
//
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// MenuButtonBackend.cs
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//
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// Author:
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// Eric Maupin <ermau@xamarin.com>
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//
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// Copyright (c) 2012 Xamarin, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// 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
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// all copies or 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
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Windows;
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using Xwt.Backends;
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namespace Xwt.WPFBackend
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{
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public class MenuButtonBackend
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: ButtonBackend, IMenuButtonBackend
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{
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public MenuButtonBackend()
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: base (new DropDownButton())
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{
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DropDownButton.MenuOpening += OnMenuOpening;
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}
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protected DropDownButton DropDownButton {
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get { return (DropDownButton) Button; }
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}
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protected IMenuButtonEventSink MenuButtonEventSink {
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get { return (IMenuButtonEventSink) EventSink; }
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}
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public override void SetButtonType (ButtonType type)
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{
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switch (type) {
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case ButtonType.Normal:
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DropDownButton.Style = null;
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break;
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case ButtonType.DropDown:
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DropDownButton.Style = (Style) ButtonResources["MenuDropDown"];
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break;
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}
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DropDownButton.InvalidateMeasure();
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}
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private void OnMenuOpening (object sender, DropDownButton.MenuOpeningEventArgs e)
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{
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Context.InvokeUserCode (() =>
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e.ContextMenu = ((MenuBackend) MenuButtonEventSink.OnCreateMenu ()).CreateContextMenu ());
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}
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}
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} |