40 lines
2.6 KiB
Markdown
40 lines
2.6 KiB
Markdown
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---
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source_files:
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- DataPRO/Modules/Channels/ChannelCodes/View/ChannelCodesListView.xaml.cs
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generated_at: "2026-04-17T16:01:12.024561+00:00"
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model: "zai-org/GLM-5-FP8"
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schema_version: 1
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sha256: "765fffde6c4125b2"
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---
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# ChannelCodesListView Documentation
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## 1. Purpose
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This module is a WPF code-behind view component for managing channel codes within the system. It provides the interaction logic for `ChannelCodesListView.xaml`, handling user interactions for two distinct lists: ISO channel codes and User-defined channel codes. The view supports filtering, sorting, selection tracking, and modification marking, delegating all business logic to an `IChannelCodesListViewModel` via data binding.
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---
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## 2. Public Interface
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### Class: `ChannelCodesListView`
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**Implements:** `IChannelCodesListViewModel`
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| Member | Signature | Description |
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|--------|-----------|-------------|
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| Constructor | `public ChannelCodesListView()` | Initializes the view component via `InitializeComponent()`. |
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### Private Event Handlers (wired to XAML)
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| Method | Event Context | Behavior |
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|--------|---------------|----------|
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| `GridViewColumnHeaderSearchable_OnSearch` | Search event on `GridViewColumnHeaderSearchable` | Extracts search term from `e.OriginalSource` and column tag from sender, calls `viewModel.Filter(columnTag, searchTerm)`. |
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| `GridViewColumnHeader_OnClick` | Click on column header | Extracts column tag and calls `vm.Sort(columnTag, true)`. Uses `Utils.FindChild<T>` as fallback for tag resolution. |
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| `ChannelCodeTextBox_KeyDown` | Key down on channel code text box | Extracts `IChannelCode` from `e.Source` DataContext, calls `vm.MarkModified(channelCode)`. |
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| `ChannelCodeTextBoxUser_TextChanged` | Text changed on user channel code | Calls `vm.MarkModified(channelCode)` and `vm.ValidateUser(ref notUsed1, ref notUsed2)`. |
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| `ChannelCodeTextBoxIso_TextChanged` | Text changed on ISO channel code | Calls `vm.MarkModified(channelCode)` and `vm.ValidateISO(ref notUsed1, ref notUsed2)`. |
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| `DisplayNameTextBox_KeyDown` | Key down on display name | Calls `vm.MarkModified(channelCode)`. |
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| `DisplayNameTextBoxUser_TextChanged` | Text changed on user display name | Calls `vm.MarkModified(channelCode)` and `vm.ValidateUser(ref notUsed1, ref notUsed2)`. |
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| `DisplayNameTextBoxIso_TextChanged` | Text changed on ISO display name | Calls `vm.MarkModified(channelCode)` and `vm.ValidateISO(ref notUsed1, ref notUsed2)`. |
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| `ISO_Checked` | ISO radio button checked | Sets `vm.ViewMode = ChannelCodesListViewModel.ViewModes.ISO`. |
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| `User_Checked` | User radio button checked | Sets `vm.ViewMode = Channel
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