66 lines
3.4 KiB
Markdown
66 lines
3.4 KiB
Markdown
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---
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source_files:
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- DTS Viewer/DTS.Viewer.Modules/DTS.Viewer.Navigation/View/NavigationItem.xaml.cs
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- DTS Viewer/DTS.Viewer.Modules/DTS.Viewer.Navigation/View/NavigationView.xaml.cs
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generated_at: "2026-04-16T11:19:54.392457+00:00"
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model: "zai-org/GLM-5-FP8"
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schema_version: 1
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sha256: "e298dba7e9bc3e6c"
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---
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# Documentation: DTS.Viewer.Navigation Views
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## 1. Purpose
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This module provides WPF view components for the navigation subsystem of the DTS Viewer application. It contains two code-behind classes—`NavigationItem` and `NavigationView`—that serve as the presentation layer for navigation UI elements. These views are part of a modular architecture (`DTS.Viewer.Modules`) and implement framework-level interfaces to integrate with the broader application infrastructure. The actual UI layout and visual composition are defined in corresponding XAML files (not provided).
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---
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## 2. Public Interface
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### `NavigationItem` (class)
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**Namespace:** `DTS.Viewer.Navigation.View`
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**Implements:** `IBaseView` (from `DTS.Common.Base`)
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| Member | Signature | Description |
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|--------|-----------|-------------|
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| Constructor | `public NavigationItem()` | Default constructor. Calls `InitializeComponent()` to load the associated XAML layout. |
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### `NavigationView` (class)
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**Namespace:** `DTS.Viewer.Navigation`
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**Implements:** `INavigationView` (from `DTS.Common.Interface`)
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| Member | Signature | Description |
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|--------|-----------|-------------|
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| Constructor | `public NavigationView()` | Default constructor. Calls `InitializeComponent()` to load the associated XAML layout. |
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---
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## 3. Invariants
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- Both classes are declared `partial`, implying a code-behind pattern where the XAML compiler generates additional class members.
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- `InitializeComponent()` must be called in the constructor for each view; this is a WPF requirement for loading the compiled XAML resource.
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- `NavigationItem` must always implement `IBaseView`.
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- `NavigationView` must always implement `INavigationView`.
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- The associated XAML files (`NavigationItem.xaml` and `NavigationView.xaml`) must exist and be properly linked as compiled resources.
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---
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## 4. Dependencies
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### This module depends on:
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- `DTS.Common.Base` — Provides `IBaseView` interface
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- `DTS.Common.Interface` — Provides `INavigationView` interface
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- WPF presentation framework (implicit via `InitializeComponent()` and `partial` class pattern)
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### What depends on this module:
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- **Cannot be determined from source alone.** No downstream consumers are visible in these files.
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---
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## 5. Gotchas
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- **Interface contracts are unknown:** The requirements of `IBaseView` and `INavigationView` are not visible in the provided source. Developers must consult `DTS.Common.Base` and `DTS.Common.Interface` to understand expected members or behaviors.
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- **All logic resides in XAML:** The code-behind files contain no business logic beyond initialization. Visual behavior, data bindings, and event handlers are defined in the corresponding `.xaml` files (not provided).
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- **Namespace inconsistency:** `NavigationItem` resides in `DTS.Viewer.Navigation.View`, while `NavigationView` resides directly in `DTS.Viewer.Navigation`. This may be intentional (separating view models/views) or a historical quirk worth verifying.
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- **No explicit DataContext assignment:** Neither constructor sets a DataContext, suggesting binding or view model injection occurs elsewhere (possibly in XAML or via an external framework).
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