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Viewing changes to external/xwt/Xwt/Xwt/Notebook.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/Notebook.cs
 
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// 
 
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// Notebook.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.Windows.Markup;
 
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namespace Xwt
 
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{
 
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        public class Notebook: Widget
 
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        {
 
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                ChildrenCollection<NotebookTab> tabs;
 
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                EventHandler currentTabChanged;
 
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                protected new class WidgetBackendHost: Widget.WidgetBackendHost, INotebookEventSink, ICollectionEventSink<NotebookTab>, IContainerEventSink<NotebookTab>
 
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                {
 
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                        public void AddedItem (NotebookTab item, int index)
 
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                        {
 
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                                ((Notebook)Parent).OnAdd (item);
 
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                        }
 
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                        public void RemovedItem (NotebookTab item, int index)
 
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                        {
 
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                                ((Notebook)Parent).OnRemove (item.Child);
 
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                        }
 
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                        public void ChildChanged (NotebookTab child, string hint)
 
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                        {
 
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                                ((Notebook)Parent).Backend.UpdateLabel (child, hint);
 
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                                ((Notebook)Parent).OnPreferredSizeChanged ();
 
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                        }
 
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                        public void ChildReplaced (NotebookTab child, Widget oldWidget, Widget newWidget)
 
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                        {
 
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                                ((Notebook)Parent).OnReplaceChild (child, oldWidget, newWidget);
 
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                        }
 
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                        public void OnCurrentTabChanged ()
 
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                        {
 
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                                ((Notebook)Parent).OnCurrentTabChanged (EventArgs.Empty);
 
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                        }
 
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                }
 
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                static Notebook ()
 
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                {
 
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                        MapEvent (NotebookEvent.CurrentTabChanged, typeof(Notebook), "OnCurrentTabChanged");
 
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                }
 
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                public Notebook ()
 
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                {
 
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                        tabs = new ChildrenCollection <NotebookTab> ((WidgetBackendHost) BackendHost);
 
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                }
 
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                protected override BackendHost CreateBackendHost ()
 
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                {
 
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                        return new WidgetBackendHost ();
 
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                }
 
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                INotebookBackend Backend {
 
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                        get { return (INotebookBackend) BackendHost.Backend; }
 
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                }
 
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                public void Add (Widget w, string label)
 
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                {
 
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                        NotebookTab t = new NotebookTab ((WidgetBackendHost)BackendHost, w);
 
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                        t.Label = label;
 
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                        tabs.Add (t);
 
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                }
 
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                void OnRemove (Widget child)
 
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                {
 
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                        UnregisterChild (child);
 
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                        Backend.Remove ((IWidgetBackend)GetBackend (child));
 
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                        OnPreferredSizeChanged ();
 
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                }
 
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                void OnAdd (NotebookTab tab)
 
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                {
 
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                        RegisterChild (tab.Child);
 
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                        Backend.Add ((IWidgetBackend)GetBackend (tab.Child), tab);
 
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                        OnPreferredSizeChanged ();
 
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                }
 
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                void OnReplaceChild (NotebookTab tab, Widget oldWidget, Widget newWidget)
 
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                {
 
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                        if (oldWidget != null)
 
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                                OnRemove (oldWidget);
 
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                        OnAdd (tab);
 
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                }
 
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                public ChildrenCollection<NotebookTab> Tabs {
 
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                        get { return tabs; }
 
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                }
 
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                public NotebookTab CurrentTab {
 
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                        get {
 
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                                return tabs [Backend.CurrentTab];
 
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                        }
 
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                        set {
 
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                                for (int n=0; n<tabs.Count; n++) {
 
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                                        if (tabs[n] == value) {
 
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                                                Backend.CurrentTab = n;
 
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                                                return;
 
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                                        }
 
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                                }
 
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                                CurrentTabIndex = -1;
 
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                        }
 
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                }
 
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                public int CurrentTabIndex {
 
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                        get { return Backend.CurrentTab; }
 
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                        set { Backend.CurrentTab = value; }
 
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                }
 
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                public NotebookTabOrientation TabOrientation {
 
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                        get { return Backend.TabOrientation; }
 
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                        set { Backend.TabOrientation = value; }
 
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                }
 
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                protected virtual void OnCurrentTabChanged (EventArgs e)
 
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                {
 
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                        if (currentTabChanged != null)
 
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                                currentTabChanged (this, e);
 
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                }
 
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                public event EventHandler CurrentTabChanged {
 
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                        add {
 
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                                BackendHost.OnBeforeEventAdd (NotebookEvent.CurrentTabChanged, currentTabChanged);
 
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                                currentTabChanged += value;
 
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                        }
 
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                        remove {
 
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                                currentTabChanged -= value;
 
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                                BackendHost.OnAfterEventRemove (NotebookEvent.CurrentTabChanged, currentTabChanged);
 
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                        }
 
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                }
 
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        }
 
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        [ContentProperty("Child")]
 
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        public class NotebookTab
 
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        {
 
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                IContainerEventSink<NotebookTab> parent;
 
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                string label;
 
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                Widget child;
 
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                internal NotebookTab (IContainerEventSink<NotebookTab> parent, Widget child)
 
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                {
 
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                        this.child = child;
 
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                        this.parent = parent;
 
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                }
 
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                public string Label {
 
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                        get {
 
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                                return label;
 
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                        }
 
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                        set {
 
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                                label = value;
 
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                                parent.ChildChanged (this, "Label");
 
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                        }
 
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                }
 
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                public Widget Child {
 
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                        get {
 
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                                return child;
 
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                        }
 
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                        set {
 
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                                var oldVal = child;
 
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                                child = value;
 
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                                parent.ChildReplaced (this, oldVal, value);
 
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                        }
 
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                }
 
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        }
 
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        public enum NotebookTabOrientation {
 
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                Top,
 
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                Left,
 
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                Right,
 
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                Bottom
 
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        }
 
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}
 
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