feat: trace list for waveform viewer

src/Qynit.PulseGen.Server/.eslintrc.cjs

@@ -1,8 +1,12 @@
 /* eslint-env node */
 module.exports = {
-  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  extends: [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended-type-checked",
+    "plugin:@typescript-eslint/stylistic-type-checked",
+  ],
   parser: "@typescript-eslint/parser",
   plugins: ["@typescript-eslint"],
   root: true,
-  ignorePatterns: ["**/wwwroot/**/*", "Pages/**/*.js"],
+  ignorePatterns: ["wwwroot/**/*"],
 };

src/Qynit.PulseGen.Server/.gitignore

@@ -1,3 +1,2 @@
 ## Ignore bundled JS files
-**/*.razor.js
-**/*.razor.js.map
+wwwroot/dist/

src/Qynit.PulseGen.Server/App.razor

@@ -1,12 +1,41 @@
-<Router AppAssembly="@typeof(App).Assembly">
-    <Found Context="routeData">
-        <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
-        <FocusOnNavigate RouteData="@routeData" Selector="h1" />
-    </Found>
-    <NotFound>
-        <PageTitle>Not found</PageTitle>
-        <LayoutView Layout="@typeof(MainLayout)">
-            <p role="alert">Sorry, there's nothing at this address.</p>
-        </LayoutView>
-    </NotFound>
-</Router>
+@inject IJSRuntime JS
+
+<FluentDesignSystemProvider BaseLayerLuminance="@BaseLayerLuminance">
+    <Router AppAssembly="@typeof(App).Assembly">
+        <Found Context="routeData">
+            <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
+            <FocusOnNavigate RouteData="@routeData" Selector="h1" />
+        </Found>
+        <NotFound>
+            <PageTitle>Not found</PageTitle>
+            <LayoutView Layout="@typeof(MainLayout)">
+                <p role="alert">Sorry, there's nothing at this address.</p>
+            </LayoutView>
+        </NotFound>
+    </Router>
+</FluentDesignSystemProvider>
+
+@code
+{
+    private bool _isDarkMode = false;
+    private float BaseLayerLuminance => _isDarkMode ? 0.23f : 1f;
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (firstRender)
+        {
+            await using var module = await JS.ImportComponentModule<App>();
+            var objRef = DotNetObjectReference.Create(this);
+            await module.InvokeVoidAsync("init", objRef);
+            _isDarkMode = await module.InvokeAsync<bool>("isSystemDarkMode");
+            StateHasChanged();
+        }
+    }
+
+    [JSInvokable]
+    public async ValueTask OnDarkModeChanged(bool isDarkMode)
+    {
+        _isDarkMode = isDarkMode;
+        await InvokeAsync(StateHasChanged);
+    }
+}

src/Qynit.PulseGen.Server/App.razor.ts

@@ -0,0 +1,13 @@
+import { DotNet } from "@microsoft/dotnet-js-interop";
+
+const darkModePreference = window.matchMedia("(prefers-color-scheme: dark)");
+
+export function isSystemDarkMode() {
+  return darkModePreference.matches;
+}
+
+export function init(objRef: DotNet.DotNetObject) {
+  darkModePreference.addEventListener("change", (e) => {
+    objRef.invokeMethodAsync("OnDarkModeChanged", e.matches);
+  });
+}

src/Qynit.PulseGen.Server/Extensions.cs

@@ -0,0 +1,13 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
+
+namespace Qynit.PulseGen.Server;
+
+internal static class Extensions
+{
+    public static async ValueTask<IJSObjectReference> ImportComponentModule<T>(this IJSRuntime js) where T : ComponentBase
+    {
+        var path = JsLocation.GetPath<T>();
+        return await js.InvokeAsync<IJSObjectReference>("import", path);
+    }
+}

src/Qynit.PulseGen.Server/JsLocation.cs

@@ -0,0 +1,25 @@
+using Microsoft.AspNetCore.Components;
+
+namespace Qynit.PulseGen.Server;
+
+internal class JsLocation
+{
+    public const string Root = "./dist";
+
+    public static string GetPath<T>() where T : ComponentBase
+    {
+        return PathCache<T>.Path;
+    }
+
+    private class PathCache<T>
+    {
+        public static readonly string Path = GetPath();
+        private static string GetPath()
+        {
+            var type = typeof(T);
+            var rootNamespace = typeof(JsLocation).Namespace!;
+            var path = type.FullName!.Replace(rootNamespace, "").Replace(".", "/").TrimStart('/');
+            return $"{Root}/{path}.js";
+        }
+    }
+}

src/Qynit.PulseGen.Server/Pages/Hello.razor

@@ -0,0 +1,7 @@
+@page "/Hello"
+
+<h3>Hello</h3>
+
+@code {
+
+}

src/Qynit.PulseGen.Server/Pages/Index.razor

@@ -4,6 +4,7 @@
 @using Qynit.PulseGen.Server.Hubs
 @using Qynit.PulseGen.Server.Models;
 @using Qynit.PulseGen.Server.Services
+@using Qynit.PulseGen.Server.Shared
 @using System.IO.Pipelines;
 @using System.Buffers;
 @using System.Collections.Concurrent;
@@ -15,140 +16,95 @@
 @implements IPlotClient
 
 <div class="box">
-    <div @ref="_chart" class="row content" />
+    <div class="aside">
+        <FluentDataGrid RowsData="@FilteredTraces">
+            <PropertyColumn Property="@(p => p.Name)" Sortable="true">
+                <ColumnOptions>
+                    <FluentSearch @bind-Value="_nameFilter" />
+                </ColumnOptions>
+            </PropertyColumn>
+            <TemplateColumn>
+                <HeaderCellItemTemplate>
+                    <TriCheckbox @bind-Value="AnyVisible" Indeterminate="IsIndeterminate">Show</TriCheckbox>
+                </HeaderCellItemTemplate>
+                <ChildContent>
+                    <FluentCheckbox @bind-Value="@context.Visible" />
+                </ChildContent>
+            </TemplateColumn>
+        </FluentDataGrid>
+    </div>
+    <div class="plot">
+        <WaveformViewer Names="VisibleTraceNames" PlotService="PlotService"/>
+    </div>
 </div>
 
 @code
 {
     private HubConnection? _hubConnection;
-    private ElementReference _chart;
-    private IJSObjectReference? _module;
-    private DotNetObjectReference<Index>? _objRef;
-    private Task? _renderTask;
-    private CancellationTokenSource? _renderCts;
-    private ConcurrentDictionary<string, bool> _channelNewValue = new();
-    private ConcurrentDictionary<string, bool> _channelVisible = new();
-    private Channel<string> _renderQueue = Channel.CreateUnbounded<string>();
+    private string _nameFilter = string.Empty;
 
-    protected override async Task OnInitializedAsync()
+    private class Trace
     {
-        _hubConnection = new HubConnectionBuilder()
-            .WithUrl(Navigation.ToAbsoluteUri(PlotHub.Uri))
-            .Build();
-
-        _hubConnection.On<IEnumerable<string>>(nameof(ReceiveNames), ReceiveNames);
-
-        await _hubConnection.StartAsync();
+        public string Name { get; set; } = string.Empty;
+        public bool Visible { get; set; }
+        public bool NeedUpdate { get; set; }
     }
 
-    protected override async Task OnAfterRenderAsync(bool firstRender)
+    private List<Trace> Traces { get; set; } = new();
+    private IEnumerable<string>? VisibleTraceNames => Traces.Where(p => p.Visible).Select(p => p.Name).ToList();
+    IQueryable<Trace> FilteredTraces => Traces.AsQueryable().Where(p => p.Name.Contains(_nameFilter));
+    private bool AnyVisible
     {
-        if (firstRender)
+        get => FilteredTraces.Any(p => p.Visible);
+        set
         {
-            _module = await JS.InvokeAsync<IJSObjectReference>("import", "./Pages/Index.razor.js");
-            _objRef = DotNetObjectReference.Create(this);
-            await _module.InvokeVoidAsync("init", _chart, _objRef);
-            _renderCts = new();
-            _renderTask = RenderInBackground(_renderCts.Token);
+            foreach (var p in FilteredTraces)
+            {
+                p.Visible = value;
+            }
         }
     }
+    private bool IsIndeterminate => FilteredTraces.Any(p => p.Visible) && FilteredTraces.Any(p => !p.Visible);
 
-    [JSInvokable]
-    public async ValueTask VisibilityChanged(string name, bool visible)
+    protected override void OnInitialized()
     {
-        var flag = false;
-        _channelVisible.AddOrUpdate(name, visible, (k, v) =>
-        {
-            flag = visible && !v;
-            return visible;
-        });
-        if (flag)
-        {
-            await EnqueueRender(name);
-        }
+        var names = PlotService.GetNames();
+        Traces = names.Select(x => new Trace { Name = x, Visible = true, NeedUpdate = true }).ToList();
     }
 
-    public async Task ReceiveNames(IEnumerable<string> names)
+    protected override async Task OnInitializedAsync()
     {
-        foreach (var name in names)
-        {
-            _channelNewValue[name] = true;
-            await EnqueueRender(name);
-        }
-    }
+        _hubConnection = new HubConnectionBuilder()
+            .WithUrl(Navigation.ToAbsoluteUri(PlotHub.Uri))
+            .Build();
 
-    private async ValueTask EnqueueRender(string name)
-    {
-        await _renderQueue.Writer.WriteAsync(name);
+        _hubConnection.On<IEnumerable<string>>(nameof(ReceiveNames), ReceiveNames);
+
+        await _hubConnection.StartAsync();
     }
 
-    private async Task RenderInBackground(CancellationToken token)
+    public async Task ReceiveNames(IEnumerable<string> names)
     {
-        while (!token.IsCancellationRequested)
+        var tracesLookUp = Traces.ToDictionary(x => x.Name);
+        foreach (var name in names)
         {
-            var name = await _renderQueue.Reader.ReadAsync(token);
-            if (ChannelNeedUpdate(name) && ChannelShouldRender(name))
+            if (tracesLookUp.TryGetValue(name, out var trace))
             {
-                await RenderWaveform(name, token);
-                _channelNewValue[name] = false;
+                trace.NeedUpdate = true;
             }
-        }
-    }
-
-    private bool ChannelNeedUpdate(string name)
-    {
-        return _channelNewValue.TryGetValue(name, out var needUpdate) && needUpdate;
-    }
-
-    private bool ChannelShouldRender(string name)
-    {
-        var hasValue = _channelVisible.TryGetValue(name, out var visible);
-        return !hasValue || visible;
-    }
-
-    private async ValueTask RenderWaveform(string name, CancellationToken token)
-    {
-        if (PlotService.TryGetPlot(name, out var arc))
-        {
-            using (arc)
+            else
             {
-                var pipe = new Pipe();
-                var writer = pipe.Writer;
-                writer.Write(MemoryMarshal.AsBytes(arc.Target.DataI));
-                writer.Write(MemoryMarshal.AsBytes(arc.Target.DataQ));
-                await writer.CompleteAsync();
-                using var streamRef = new DotNetStreamReference(pipe.Reader.AsStream());
-                var dataType = DataType.Float32;
-                var isReal = arc.Target.IsReal;
-                await _module!.InvokeVoidAsync("renderWaveform", token, name, dataType, isReal, streamRef);
+                Traces.Add(new Trace { Name = name, Visible = true, NeedUpdate = true });
             }
         }
+        await InvokeAsync(StateHasChanged);
     }
 
     public async ValueTask DisposeAsync()
     {
-        _renderCts?.Cancel();
-        if (_renderTask is not null)
-        {
-            try
-            {
-                await _renderTask;
-            }
-            catch (OperationCanceledException) { }
-        }
-        _renderCts?.Dispose();
-        _objRef?.Dispose();
         if (_hubConnection is not null)
         {
             await _hubConnection.DisposeAsync();
         }
-        if (_module is not null)
-        {
-            try
-            {
-                await _module.DisposeAsync();
-            }
-            catch (JSDisconnectedException) { }
-        }
     }
 }

src/Qynit.PulseGen.Server/Pages/Index.razor.css

@@ -1,13 +1,13 @@
 .box {
   display: flex;
-  flex-flow: column;
+  flex-flow: row;
   height: 100%;
 }
 
-.box .row.header {
+.aside {
   flex: 0 1 auto;
 }
 
-.box .row.content {
+.plot {
   flex: 1 1 auto;
 }