27 lines
1.7 KiB
Markdown
27 lines
1.7 KiB
Markdown
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---
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source_files:
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- DTS Viewer/DTS.Viewer/View/DockPanelVertical/View/DockPanelVerticalView.xaml.cs
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generated_at: "2026-04-17T16:13:30.756881+00:00"
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model: "zai-org/GLM-5-FP8"
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schema_version: 1
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sha256: "5f012e08f6e61377"
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---
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# View
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### Purpose
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The `NavigationViewModel` class serves as the ViewModel component for the navigation region in a Prism-based WPF application. It manages the `ContextNavigationRegion` content area, handles notification display via event aggregation, and coordinates with a parent `IShellViewModel`. This module exists to decouple navigation logic from the view while providing notification capabilities through the Prism InteractionRequest pattern.
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### Public Interface
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**Constructor**
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- `NavigationViewModel(INavigationView view, IRegionManager regionManager, IEventAggregator eventAggregator, IUnityContainer unityContainer)` — Initializes the view model, sets the view's DataContext, creates `NotificationRequest` and `ConfirmationRequest` interaction requests, and subscribes to the `RaiseNotification` event.
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**Properties**
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- `INavigationView NavigationView { get; }` — Returns the associated navigation view instance.
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- `InteractionRequest<Notification> NotificationRequest { get; }` — Interaction request for displaying notifications.
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- `InteractionRequest<Confirmation> ConfirmationRequest { get; }` — Interaction request for displaying confirmations.
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- `object ContextNavigationRegion { get; set; }` — Gets or sets the content of the `NavigationRegion` from the underlying `NavigationView`. Raises `OnPropertyChanged` on set.
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- `string HeaderInfo { get; }` — Always returns `"NavigationRegion"`.
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- `bool IsBusy { get; set; }` — Throws `NotImplementedException` on both getter and setter.
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- `bool IsDirty { get;
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