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Viewing changes to external/xwt/Xwt.WPF/Xwt.WPFBackend/NotebookBackend.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.WPF/Xwt.WPFBackend/NotebookBackend.cs
 
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// 
 
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// NotebookBackend.cs
 
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//  
 
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// Author:
 
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//       Thomas Ziegler <ziegler.thomas@web.de>
 
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//       Eric Maupin <ermau@xamarin.com>
 
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// 
 
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// Copyright (c) 2012 Thomas Ziegler
 
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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.Collections.Generic;
 
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using System.Linq;
 
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using System.Windows;
 
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using System.Windows.Controls;
 
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using Xwt.Engine;
 
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using SWC = System.Windows.Controls;
 
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using Xwt.Backends;
 
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namespace Xwt.WPFBackend
 
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{
 
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        public class NotebookBackend : WidgetBackend, INotebookBackend
 
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        {
 
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                public NotebookBackend ()
 
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                {
 
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                        TabControl = new WpfNotebook ();
 
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                }
 
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                public int CurrentTab {
 
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                        get { return TabControl.SelectedIndex; }
 
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                        set { TabControl.SelectedIndex = value; }
 
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                }
 
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                public Xwt.NotebookTabOrientation TabOrientation {
 
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                        get {
 
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                                Xwt.NotebookTabOrientation tabPos = Xwt.NotebookTabOrientation.Top;
 
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                                Enum.TryParse (TabControl.TabStripPlacement.ToString (), out tabPos);
 
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                                return tabPos;
 
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                        }
 
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                        set {
 
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                                SWC.Dock tabPos = SWC.Dock.Top;
 
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                                Enum.TryParse (value.ToString (), out tabPos);
 
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                                TabControl.TabStripPlacement = tabPos;
 
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                        }
 
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                }
 
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                public void Add (IWidgetBackend widget, NotebookTab tab)
 
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                {
 
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                        UIElement element = (UIElement)widget.NativeWidget;
 
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                        TabItem ti = new TabItem {
 
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                                Content = element,
 
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                                Header = tab.Label,
 
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                                Tag = tab
 
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                        };
 
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                        FrameworkElement felement = element as FrameworkElement;
 
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                        if (felement != null) {
 
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                                felement.Tag = widget;
 
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                                felement.Loaded += OnContentLoaded;
 
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                        }
 
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                        TabControl.Items.Add (ti);
 
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                        if (TabControl.SelectedIndex == -1)
 
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                                TabControl.SelectedIndex = 0;
 
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                }
 
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                public void Remove (IWidgetBackend widget)
 
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                {
 
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                        UIElement element = widget.NativeWidget as UIElement;
 
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                        if (element == null)
 
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                                throw new ArgumentException ();
 
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                        FrameworkElement felement = element as FrameworkElement;
 
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                        if (felement != null)
 
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                                felement.Loaded -= OnContentLoaded;
 
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                        for (int i = 0; i < TabControl.Items.Count; ++i) {
 
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                                TabItem tab = (TabItem)TabControl.Items [i];
 
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                                if (tab.Content == widget.NativeWidget) {
 
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                                        TabControl.Items.RemoveAt (i);
 
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                                        break;
 
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                                }
 
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                        }
 
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                }
 
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                public void UpdateLabel (NotebookTab tab, string hint)
 
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                {
 
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                        TabItem item = TabControl.Items.Cast<TabItem> ().FirstOrDefault (t => t.Tag == tab);
 
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                        if (item != null)
 
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                                item.Header = tab.Label;
 
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                }
 
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                public override void EnableEvent (object eventId)
 
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                {
 
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                        base.EnableEvent (eventId);
 
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                        if (eventId is NotebookEvent) {
 
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                                switch ((NotebookEvent)eventId) {
 
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                                case NotebookEvent.CurrentTabChanged:
 
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                                        TabControl.SelectionChanged += OnCurrentTabChanged;
 
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                                        break;
 
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                                }
 
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                        }
 
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                }
 
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                public override void DisableEvent (object eventId)
 
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                {
 
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                        base.DisableEvent (eventId);
 
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                        if (eventId is NotebookEvent) {
 
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                                switch ((NotebookEvent)eventId) {
 
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                                case NotebookEvent.CurrentTabChanged:
 
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                                        TabControl.SelectionChanged -= OnCurrentTabChanged;
 
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                                        break;
 
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                                }
 
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                        }
 
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                }
 
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                private void OnCurrentTabChanged (object sender, SelectionChangedEventArgs e)
 
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                {
 
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                        Toolkit.Invoke (NotebookEventSink.OnCurrentTabChanged);
 
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                }
 
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                protected TabControl TabControl {
 
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                        get { return (TabControl)Widget; }
 
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                        set { Widget = value; }
 
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                }
 
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                protected INotebookEventSink NotebookEventSink {
 
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                        get { return (INotebookEventSink) EventSink; }
 
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                }
 
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                private void OnContentLoaded (object sender, RoutedEventArgs routedEventArgs)
 
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                {
 
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                        WidgetBackend backend = (WidgetBackend)((FrameworkElement) sender).Tag;
 
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                        var surface = backend.Frontend as IWidgetSurface;
 
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                        if (surface == null)
 
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                                return;
 
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                        surface.Reallocate();
 
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                }
 
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        }
 
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        class WpfNotebook : SWC.TabControl, IWpfWidget
 
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        {
 
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                public WidgetBackend Backend { get; set; }
 
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                protected override System.Windows.Size MeasureOverride (System.Windows.Size constraint)
 
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                {
 
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                        var s = base.MeasureOverride (constraint);
 
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                        return Backend.MeasureOverride (constraint, s);
 
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                }
 
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        }
 
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}
 
 
b'\\ No newline at end of file'