42 lines
3.5 KiB
Markdown
42 lines
3.5 KiB
Markdown
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---
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source_files:
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- Common/DTS.Common/Enums/TestSetups/RealtimeGraphsEnum.cs
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generated_at: "2026-04-16T03:21:20.643645+00:00"
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model: "Qwen/Qwen3-Coder-Next-FP8"
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schema_version: 1
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sha256: "53144cdff253078c"
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---
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# TestSetups
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### 1. Purpose
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This module defines the `RealtimeGraphsEnum` enumeration, which specifies the supported configurations for the number of real-time graphs displayed in the user interface—specifically, one, three, or six graphs. It serves as a strongly-typed, descriptively annotated constant set used throughout the system to ensure consistency in UI layout and backend graph management logic. The enum is decorated with `[TypeConverter(typeof(EnumDescriptionTypeConverter))]`, enabling localized or custom string representation via the `DescriptionAttribute` values during UI binding or serialization.
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### 2. Public Interface
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- **`RealtimeGraphsEnum`**
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An enumeration with three named values:
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- `RealtimeGraphsEnum.One` (value `1`) — Represents a single real-time graph layout.
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- `RealtimeGraphsEnum.Three` (value `3`) — Represents a three-graph layout (e.g., 1×3 or 3×1 grid).
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- `RealtimeGraphsEnum.Six` (value `6`) — Represents a six-graph layout (e.g., 2×3 or 3×2 grid).
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Each member is annotated with a `[Description(...)]` attribute containing a string key (e.g., `"RealtimeGraphs_One"`) intended for localization or lookup by the `EnumDescriptionTypeConverter`.
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### 3. Invariants
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- The enum values are strictly `1`, `3`, and `6`; no other integer values are defined or intended.
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- The `DescriptionAttribute` values are fixed string keys (not raw display strings) and must be resolved externally (e.g., via resource files) using the `EnumDescriptionTypeConverter`.
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- The enum is not extensible at runtime; new values require source code changes and recompilation.
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- The `[TypeConverter]` attribute is required for proper deserialization/binding in XAML or UI frameworks that rely on `TypeConverter` for enum-to-string conversion.
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### 4. Dependencies
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- **Depends on**:
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- `System.ComponentModel` (for `DescriptionAttribute` and `TypeConverter`)
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- `DTS.Common.Converters.EnumDescriptionTypeConverter` (custom type converter for resolving descriptions)
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- **Used by**:
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- UI layers (e.g., WPF/XAML bindings) that consume this enum to configure graph panel layouts.
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- Backend services or view models that validate or route logic based on graph count (e.g., initializing the correct number of chart instances).
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*(Exact consumers are not visible in this file alone but are implied by the enum’s purpose.)*
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### 5. Gotchas
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- The `DescriptionAttribute` values (e.g., `"RealtimeGraphs_One"`) are *keys*, not human-readable labels. The actual display text must be resolved via the `EnumDescriptionTypeConverter`, likely by looking up these keys in a resource manager. Assuming the description string is the literal display text (e.g., "RealtimeGraphs_One") will cause incorrect UI output.
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- The enum values (`1`, `3`, `6`) are non-sequential and non-power-of-two; avoid bitwise operations or assuming arithmetic relationships.
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- The `EnumDescriptionTypeConverter` must be registered or available in the target framework context (e.g., WPF); otherwise, binding or serialization may fall back to the enum’s name (`"One"`, `"Three"`, `"Six"`) instead of the description key.
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- No validation is enforced at the enum level—calling code must ensure only valid values are used (e.g., `6` is valid, but `2` is not defined and would require explicit handling).
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