Migrate desktop app to Avalonia and publish cross-platform releases

Views/DataInputWindow.axaml

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+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="kcsj.Views.DataInputWindow"
+        Title="数据输入"
+        Width="900"
+        Height="700"
+        MinWidth="720"
+        MinHeight="580"
+        WindowStartupLocation="CenterOwner">
+  <DockPanel Margin="24">
+    <Grid DockPanel.Dock="Bottom" ColumnDefinitions="*,Auto" Margin="0,18,0,0">
+      <TextBlock x:Name="InputStatusText"
+                 VerticalAlignment="Center"
+                 Foreground="{DynamicResource SystemControlForegroundBaseMediumBrush}"
+                 Text="请选择文件或切换到手动输入。" />
+      <Button Grid.Column="1" MinWidth="92" Content="关闭" Click="Cancel_Click" />
+    </Grid>
+
+    <TabControl x:Name="DataTabs">
+      <TabItem Header="从文件导入">
+        <Grid Margin="18" RowDefinitions="Auto,Auto,Auto,*" RowSpacing="14">
+          <Grid ColumnDefinitions="120,*,Auto" ColumnSpacing="10">
+            <TextBlock VerticalAlignment="Center" Text="已知点文件" />
+            <TextBox x:Name="KnownPathTextBox" Grid.Column="1" IsReadOnly="True" PlaceholderText="请选择 TXT 文件" />
+            <Button Grid.Column="2" Content="浏览…" Click="BrowseKnownFile_Click" />
+          </Grid>
+
+          <Grid Grid.Row="1" ColumnDefinitions="120,*,Auto" ColumnSpacing="10">
+            <TextBlock VerticalAlignment="Center" Text="观测数据文件" />
+            <TextBox x:Name="ObservationPathTextBox" Grid.Column="1" IsReadOnly="True" PlaceholderText="请选择 TXT 文件" />
+            <Button Grid.Column="2" Content="浏览…" Click="BrowseObservationFile_Click" />
+          </Grid>
+
+          <StackPanel Grid.Row="2" Orientation="Horizontal" Spacing="10">
+            <Button MinWidth="110" Content="预览数据" Click="PreviewFiles_Click" />
+            <Button MinWidth="110" Content="导入数据" Click="ImportFiles_Click" />
+          </StackPanel>
+
+          <Grid Grid.Row="3" ColumnDefinitions="*,*" ColumnSpacing="14">
+            <Grid RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="已知点预览" />
+              <TextBox x:Name="KnownPreviewTextBox"
+                       Grid.Row="1"
+                       IsReadOnly="True"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+            <Grid Grid.Column="1" RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="观测数据预览" />
+              <TextBox x:Name="ObservationPreviewTextBox"
+                       Grid.Row="1"
+                       IsReadOnly="True"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+          </Grid>
+        </Grid>
+      </TabItem>
+
+      <TabItem Header="手动输入">
+        <Grid Margin="18" RowDefinitions="Auto,*,Auto" RowSpacing="14">
+          <Border Padding="12"
+                  Background="{DynamicResource SystemControlBackgroundBaseLowBrush}"
+                  CornerRadius="6">
+            <TextBlock TextWrapping="Wrap"
+                       Text="每行一条数据，可使用空格、Tab 或逗号分隔；空行以及以 # 或 // 开头的行会被忽略。" />
+          </Border>
+
+          <Grid Grid.Row="1" ColumnDefinitions="*,*" ColumnSpacing="14">
+            <Grid RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="已知点（点名 高程）" />
+              <TextBox x:Name="ManualKnownTextBox"
+                       Grid.Row="1"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       PlaceholderText="例如：&#10;BM1 100.0000"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+            <Grid Grid.Column="1" RowDefinitions="Auto,*">
+              <TextBlock Margin="0,0,0,8" FontWeight="SemiBold" Text="观测数据（起点 终点 高差 距离）" />
+              <TextBox x:Name="ManualObservationTextBox"
+                       Grid.Row="1"
+                       AcceptsReturn="True"
+                       TextWrapping="NoWrap"
+                       ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
+                       PlaceholderText="例如：&#10;BM1 P1 1.2345 2.5"
+                       FontFamily="Consolas,Menlo,monospace" />
+            </Grid>
+          </Grid>
+
+          <StackPanel Grid.Row="2" Orientation="Horizontal" Spacing="10">
+            <Button MinWidth="110" Content="检查并预览" Click="PreviewManual_Click" />
+            <Button MinWidth="110" Content="保存数据" Click="SaveManual_Click" />
+          </StackPanel>
+        </Grid>
+      </TabItem>
+    </TabControl>
+  </DockPanel>
+</Window>

Views/DataInputWindow.axaml.cs

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+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using Avalonia.Platform.Storage;
+using kcsj.Models;
+using kcsj.Services;
+
+namespace kcsj.Views;
+
+public partial class DataInputWindow : Window
+{
+    private static readonly FilePickerFileType TextFileType = new("文本文件")
+    {
+        Patterns = ["*.txt"],
+        MimeTypes = ["text/plain"]
+    };
+
+    private TabControl TabsControl => this.FindControl<TabControl>("DataTabs")!;
+    private TextBlock StatusControl => this.FindControl<TextBlock>("InputStatusText")!;
+    private TextBox KnownPathControl => this.FindControl<TextBox>("KnownPathTextBox")!;
+    private TextBox ObservationPathControl => this.FindControl<TextBox>("ObservationPathTextBox")!;
+    private TextBox KnownPreviewControl => this.FindControl<TextBox>("KnownPreviewTextBox")!;
+    private TextBox ObservationPreviewControl => this.FindControl<TextBox>("ObservationPreviewTextBox")!;
+    private TextBox ManualKnownControl => this.FindControl<TextBox>("ManualKnownTextBox")!;
+    private TextBox ManualObservationControl => this.FindControl<TextBox>("ManualObservationTextBox")!;
+
+    private List<KnownPoint> _fileKnownPoints = [];
+    private List<Observation> _fileObservations = [];
+
+    public DataInputWindow()
+        : this(0)
+    {
+    }
+
+    public DataInputWindow(int selectedTab)
+    {
+        AvaloniaXamlLoader.Load(this);
+        TabsControl.SelectedIndex = Math.Clamp(selectedTab, 0, 1);
+    }
+
+    private async void BrowseKnownFile_Click(object? sender, RoutedEventArgs e)
+    {
+        string? path = await PickTextFileAsync("选择已知点高程文件");
+        if (path is not null)
+        {
+            KnownPathControl.Text = path;
+            _fileKnownPoints = [];
+        }
+    }
+
+    private async void BrowseObservationFile_Click(object? sender, RoutedEventArgs e)
+    {
+        string? path = await PickTextFileAsync("选择观测数据文件");
+        if (path is not null)
+        {
+            ObservationPathControl.Text = path;
+            _fileObservations = [];
+        }
+    }
+
+    private async Task<string?> PickTextFileAsync(string title)
+    {
+        IReadOnlyList<IStorageFile> files = await StorageProvider.OpenFilePickerAsync(
+            new FilePickerOpenOptions
+            {
+                Title = title,
+                AllowMultiple = false,
+                FileTypeFilter = [TextFileType, FilePickerFileTypes.All]
+            });
+
+        return files.FirstOrDefault()?.Path.LocalPath;
+    }
+
+    private async void PreviewFiles_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            LoadFileData();
+            ShowFilePreview();
+            StatusControl.Text = $"预览完成：{_fileKnownPoints.Count} 个已知点，{_fileObservations.Count} 条观测。";
+            LogService.AddLog("文件数据预览成功。");
+        }
+        catch (Exception exception)
+        {
+            ClearFilePreview();
+            LogService.AddLog("数据预览失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "数据预览失败", exception.Message);
+        }
+    }
+
+    private async void ImportFiles_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            LoadFileData();
+            DataStore.SetData(_fileKnownPoints, _fileObservations, "文件导入");
+            LogService.AddLog("文件数据导入成功。");
+            Close(true);
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("导入失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "导入失败", exception.Message);
+        }
+    }
+
+    private async void PreviewManual_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            (List<KnownPoint> knownPoints, List<Observation> observations) = ParseManualData();
+            StatusControl.Text = $"手动输入检查通过：{knownPoints.Count} 个已知点，{observations.Count} 条观测。";
+            await DialogWindow.ShowMessageAsync(
+                this,
+                "手动输入预览",
+                InputParser.BuildKnownPointsPreview(knownPoints) + "\n" +
+                InputParser.BuildObservationsPreview(observations));
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("手动输入检查失败：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "输入错误", exception.Message);
+        }
+    }
+
+    private async void SaveManual_Click(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            (List<KnownPoint> knownPoints, List<Observation> observations) = ParseManualData();
+            DataStore.SetData(knownPoints, observations, "手动输入");
+            LogService.AddLog("手动输入数据已保存。");
+            Close(true);
+        }
+        catch (Exception exception)
+        {
+            LogService.AddLog("手动输入数据时发生错误：" + exception.Message);
+            await DialogWindow.ShowMessageAsync(this, "输入错误", exception.Message);
+        }
+    }
+
+    private void LoadFileData()
+    {
+        string knownPath = KnownPathControl.Text?.Trim() ?? string.Empty;
+        string observationPath = ObservationPathControl.Text?.Trim() ?? string.Empty;
+
+        if (string.IsNullOrWhiteSpace(knownPath))
+        {
+            throw new InvalidOperationException("请先选择已知点高程文件。");
+        }
+
+        if (string.IsNullOrWhiteSpace(observationPath))
+        {
+            throw new InvalidOperationException("请先选择观测数据文件。");
+        }
+
+        _fileKnownPoints = InputParser.ReadKnownPointsFile(knownPath);
+        _fileObservations = InputParser.ReadObservationsFile(observationPath);
+    }
+
+    private void ShowFilePreview()
+    {
+        KnownPreviewControl.Text = InputParser.BuildKnownPointsPreview(_fileKnownPoints);
+        ObservationPreviewControl.Text = InputParser.BuildObservationsPreview(_fileObservations);
+    }
+
+    private void ClearFilePreview()
+    {
+        _fileKnownPoints = [];
+        _fileObservations = [];
+        KnownPreviewControl.Text = string.Empty;
+        ObservationPreviewControl.Text = string.Empty;
+    }
+
+    private (List<KnownPoint> KnownPoints, List<Observation> Observations) ParseManualData() =>
+        (
+            InputParser.ParseKnownPointsText(ManualKnownControl.Text ?? string.Empty),
+            InputParser.ParseObservationsText(ManualObservationControl.Text ?? string.Empty)
+        );
+
+    private void Cancel_Click(object? sender, RoutedEventArgs e) => Close(false);
+}

Views/DialogWindow.cs

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+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Layout;
+using Avalonia.Media;
+
+namespace kcsj.Views;
+
+public sealed class DialogWindow : Window
+{
+    private DialogWindow(string title, string message, bool showCancel)
+    {
+        Title = title;
+        CanResize = false;
+        SizeToContent = SizeToContent.WidthAndHeight;
+        WindowStartupLocation = WindowStartupLocation.CenterOwner;
+        MinWidth = 360;
+        MaxWidth = 560;
+
+        TextBlock messageText = new()
+        {
+            Text = message,
+            TextWrapping = TextWrapping.Wrap,
+            MaxWidth = 500,
+            FontSize = 15
+        };
+
+        Button confirmButton = new()
+        {
+            Content = "确定",
+            MinWidth = 88,
+            HorizontalContentAlignment = HorizontalAlignment.Center
+        };
+        confirmButton.Click += (_, _) => Close(true);
+
+        StackPanel buttons = new()
+        {
+            Orientation = Orientation.Horizontal,
+            HorizontalAlignment = HorizontalAlignment.Right,
+            Spacing = 10
+        };
+
+        if (showCancel)
+        {
+            Button cancelButton = new()
+            {
+                Content = "取消",
+                MinWidth = 88,
+                HorizontalContentAlignment = HorizontalAlignment.Center
+            };
+            cancelButton.Click += (_, _) => Close(false);
+            buttons.Children.Add(cancelButton);
+        }
+
+        buttons.Children.Add(confirmButton);
+
+        StackPanel content = new() { Spacing = 24 };
+        content.Children.Add(messageText);
+        content.Children.Add(buttons);
+
+        Content = new Border
+        {
+            Padding = new Thickness(24),
+            Background = Brushes.Transparent,
+            Child = content
+        };
+    }
+
+    public static Task ShowMessageAsync(Window owner, string title, string message) =>
+        new DialogWindow(title, message, false).ShowDialog<bool>(owner);
+
+    public static Task<bool> ConfirmAsync(Window owner, string title, string message) =>
+        new DialogWindow(title, message, true).ShowDialog<bool>(owner);
+}