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Tree-node selection now updates the inner Content of one persistent ContentTabPage instead of swapping the dockable in the dock. The wrapper view (ContentTabPageView) keeps both inner views — the decompiler text editor and the metadata grid — pre-realised in the visual tree from construction time and toggles which is visible based on Content's runtime type. Assisted-by: Claude:claude-opus-4-7:Claude Codepull/3755/head
Siegfried Pammer
2 months ago
12 changed files with 314 additions and 190 deletions
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// Copyright (c) 2026 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.ComponentModel; |
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using CommunityToolkit.Mvvm.ComponentModel; |
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namespace ILSpy.ViewModels |
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{ |
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/// <summary>
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/// The single Document the docking host puts in its document area. <see cref="Content"/>
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/// holds the active inner viewmodel (decompiler text or metadata grid). The wrapper
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/// view (<c>ContentTabPageView</c>) keeps both possible inner views pre-realised and
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/// toggles which is visible — Dock.Avalonia's add+close-in-the-same-tick semantics
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/// otherwise leave the previous view rendered when the tab type changes.
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/// </summary>
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public sealed partial class ContentTabPage : TabPageModel |
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{ |
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[ObservableProperty] |
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private object? content; |
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// Bubble the inner content's Title up to the Document's Title so the tab strip
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// reflects whatever the active page chose (e.g. the decompiler tab's spinner glyph
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// or "DOS Header" for a metadata grid).
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partial void OnContentChanged(object? oldValue, object? newValue) |
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{ |
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if (oldValue is INotifyPropertyChanged oldNotify) |
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oldNotify.PropertyChanged -= OnContentPropertyChanged; |
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if (newValue is INotifyPropertyChanged newNotify) |
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newNotify.PropertyChanged += OnContentPropertyChanged; |
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SyncTitleFromContent(); |
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} |
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void OnContentPropertyChanged(object? sender, PropertyChangedEventArgs e) |
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{ |
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if (e.PropertyName == nameof(Title)) |
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SyncTitleFromContent(); |
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} |
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void SyncTitleFromContent() |
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{ |
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if (Content is null) |
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return; |
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var titleProp = Content.GetType().GetProperty(nameof(Title), typeof(string)); |
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if (titleProp?.GetValue(Content) is string s) |
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Title = s; |
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} |
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} |
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} |
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<UserControl xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008" |
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" |
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xmlns:vm="using:ILSpy.ViewModels" |
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xmlns:textView="using:ILSpy.TextView" |
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xmlns:metaViews="using:ILSpy.Views" |
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mc:Ignorable="d" d:DesignWidth="600" d:DesignHeight="400" |
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x:Class="ILSpy.Views.ContentTabPageView" |
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x:DataType="vm:ContentTabPage"> |
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<!-- Both inner views are pre-realised; only the one matching Content's runtime type |
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is visible. Code-behind toggles IsVisible and DataContext on Content change. |
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Avoids Dock's add+close-in-the-same-tick visual-staleness when the tab type |
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changes (the previous view would otherwise stay rendered until the next layout |
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pass). --> |
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<Panel> |
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<textView:DecompilerTextView Name="DecompilerView" /> |
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<metaViews:MetadataTablePage Name="MetadataView" /> |
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</Panel> |
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</UserControl> |
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// Copyright (c) 2026 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.ComponentModel; |
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using Avalonia.Controls; |
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using Avalonia.Markup.Xaml; |
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using ILSpy.TextView; |
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using ILSpy.ViewModels; |
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namespace ILSpy.Views |
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{ |
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/// <summary>
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/// View for <see cref="ContentTabPage"/>. Toggles which pre-realised inner view shows
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/// (decompiler text or metadata grid) based on <see cref="ContentTabPage.Content"/>'s
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/// runtime type — both inner views live in the visual tree from construction time so
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/// the dock's visual swap is just a visibility flip.
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/// </summary>
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public partial class ContentTabPageView : UserControl |
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{ |
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ContentTabPage? boundPage; |
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DecompilerTextView decompilerView = null!; |
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MetadataTablePage metadataView = null!; |
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public ContentTabPageView() |
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{ |
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InitializeComponent(); |
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decompilerView = this.FindControl<DecompilerTextView>("DecompilerView")!; |
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metadataView = this.FindControl<MetadataTablePage>("MetadataView")!; |
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DataContextChanged += (_, _) => RebindPage(); |
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} |
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void InitializeComponent() => AvaloniaXamlLoader.Load(this); |
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void RebindPage() |
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{ |
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if (boundPage != null) |
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boundPage.PropertyChanged -= OnPagePropertyChanged; |
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boundPage = DataContext as ContentTabPage; |
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if (boundPage != null) |
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boundPage.PropertyChanged += OnPagePropertyChanged; |
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ApplyContent(); |
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} |
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void OnPagePropertyChanged(object? sender, PropertyChangedEventArgs e) |
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{ |
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if (e.PropertyName == nameof(ContentTabPage.Content)) |
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ApplyContent(); |
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} |
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void ApplyContent() |
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{ |
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var content = boundPage?.Content; |
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if (content is DecompilerTabPageModel decompiler) |
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{ |
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decompilerView.DataContext = decompiler; |
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decompilerView.IsVisible = true; |
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} |
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else |
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{ |
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decompilerView.IsVisible = false; |
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decompilerView.DataContext = null; |
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} |
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if (content is MetadataTablePageModel metadata) |
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{ |
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metadataView.DataContext = metadata; |
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metadataView.IsVisible = true; |
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} |
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else |
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{ |
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metadataView.IsVisible = false; |
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metadataView.DataContext = null; |
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} |
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} |
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} |
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} |
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