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Viewing changes to external/xwt/Xwt/Xwt/MenuItem.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/xwt/Xwt/Xwt/MenuItem.cs
 
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// 
 
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// MenuItem.cs
 
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//  
 
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// Author:
 
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//       Lluis Sanchez <lluis@xamarin.com>
 
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// 
 
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// Copyright (c) 2011 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 Xwt.Backends;
 
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using System.ComponentModel;
 
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using Xwt.Drawing;
 
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using Xwt.Engine;
 
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namespace Xwt
 
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{
 
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        public class MenuItem: XwtComponent, ICellContainer
 
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        {
 
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                CellViewCollection cells;
 
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                Menu subMenu;
 
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                EventHandler clicked;
 
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                Image image;
 
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                protected class MenuItemBackendHost: BackendHost<MenuItem,IMenuItemBackend>, IMenuItemEventSink
 
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                {
 
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                        protected override void OnBackendCreated ()
 
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                        {
 
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                                base.OnBackendCreated ();
 
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                                Backend.Initialize (this);
 
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                        }
 
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                        public void OnClicked ()
 
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                        {
 
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                                Parent.DoClick ();
 
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                        }
 
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                }
 
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                protected override Xwt.Backends.BackendHost CreateBackendHost ()
 
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                {
 
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                        return new MenuItemBackendHost ();
 
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                }
 
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                static MenuItem ()
 
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                {
 
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                        MapEvent (MenuItemEvent.Clicked, typeof(MenuItem), "OnClicked");
 
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                }
 
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                public MenuItem ()
 
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                {
 
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                }
 
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                public MenuItem (Command command): this ()
 
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                {
 
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                        Label = command.Label;
 
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                        if (!string.IsNullOrEmpty (command.Icon))
 
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                                Image = Image.FromIcon (command.Icon, IconSize.Small);
 
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                }
 
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                public MenuItem (string label): this ()
 
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                {
 
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                        Label = label;
 
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                }
 
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                IMenuItemBackend Backend {
 
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                        get { return (IMenuItemBackend) base.BackendHost.Backend; }
 
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                }
 
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                [DefaultValue ("")]
 
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                public string Label {
 
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                        get { return Backend.Label; }
 
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                        set { Backend.Label = value; }
 
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                }
 
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                [DefaultValue (true)]
 
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                public bool Sensitive {
 
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                        get { return Backend.Sensitive; }
 
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                        set { Backend.Sensitive = value; }
 
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                }
 
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                [DefaultValue (true)]
 
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                public bool Visible {
 
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                        get { return Backend.Visible; }
 
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                        set { Backend.Visible = value; }
 
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                }
 
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                public Image Image {
 
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                        get { return image; }
 
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                        set { image = value; Backend.SetImage (XwtObject.GetBackend (value)); }
 
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                }
 
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                public void Show ()
 
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                {
 
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                        Visible = true;
 
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                }
 
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                public void Hide ()
 
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                {
 
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                        Visible = false;
 
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                }
 
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                public CellViewCollection Cells {
 
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                        get {
 
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                                if (cells == null)
 
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                                        cells = new CellViewCollection (this);
 
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                                return cells;
 
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                        }
 
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                }
 
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                public Menu SubMenu {
 
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                        get { return subMenu; }
 
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                        set {
 
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                                subMenu = value;
 
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                                Backend.SetSubmenu ((IMenuBackend) WidgetRegistry.GetBackend (subMenu));
 
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                        }
 
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                }
 
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                public void NotifyCellChanged ()
 
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                {
 
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                        throw new NotImplementedException ();
 
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                }
 
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                internal virtual void DoClick ()
 
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                {
 
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                        OnClicked (EventArgs.Empty);
 
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                }
 
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                protected virtual void OnClicked (EventArgs e)
 
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                {
 
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                        if (clicked != null)
 
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                                clicked (this, e);
 
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                }
 
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                public event EventHandler Clicked {
 
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                        add {
 
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                                base.BackendHost.OnBeforeEventAdd (MenuItemEvent.Clicked, clicked);
 
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                                clicked += value;
 
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                        }
 
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                        remove {
 
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                                clicked -= value;
 
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                                base.BackendHost.OnAfterEventRemove (MenuItemEvent.Clicked, clicked);
 
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                        }
 
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                }
 
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        }
 
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        public enum MenuItemType
 
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        {
 
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                Normal,
 
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                CheckBox,
 
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                RadioButton
 
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        }
 
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}
 
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