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[MDAPI-67] [.NET] Integrate IndexedEventTxModel
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Konstantin Ivaschenko
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Jul 26, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| <Application xmlns="https://github.com/avaloniaui" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | ||
| x:Class="CandleChartSample.App" | ||
| RequestedThemeVariant="Default"> | ||
| <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. --> | ||
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| <Application.Styles> | ||
| <FluentTheme /> | ||
| </Application.Styles> | ||
| </Application> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| using Avalonia; | ||
| using Avalonia.Controls.ApplicationLifetimes; | ||
| using Avalonia.Markup.Xaml; | ||
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|
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| namespace CandleChartSample; | ||
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| public partial class App : Application | ||
| { | ||
| public override void Initialize() | ||
| { | ||
| AvaloniaXamlLoader.Load(this); | ||
| } | ||
|
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| public override void OnFrameworkInitializationCompleted() | ||
| { | ||
| if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop) | ||
| { | ||
| desktop.MainWindow = new MainWindow(); | ||
| } | ||
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| base.OnFrameworkInitializationCompleted(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>WinExe</OutputType> | ||
| <TargetFrameworks>net6.0</TargetFrameworks> | ||
| <Nullable>enable</Nullable> | ||
| <BuiltInComInteropSupport>true</BuiltInComInteropSupport> | ||
| <ApplicationManifest>app.manifest</ApplicationManifest> | ||
| <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <PackageReference Include="Avalonia" Version="11.0.10"/> | ||
| <PackageReference Include="Avalonia.Desktop" Version="11.0.10"/> | ||
| <PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.10"/> | ||
| <PackageReference Include="Avalonia.Fonts.Inter" Version="11.0.10"/> | ||
| <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.--> | ||
| <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.10"/> | ||
| <PackageReference Include="ScottPlot.Avalonia" Version="5.0.36"/> | ||
| </ItemGroup> | ||
|
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\DxFeed.Graal.Net\DxFeed.Graal.Net.csproj"/> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
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|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // <copyright file="CandleExtension.cs" company="Devexperts LLC"> | ||
| // Copyright © 2024 Devexperts LLC. All rights reserved. | ||
| // This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. | ||
| // If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
| // </copyright> | ||
|
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| using System; | ||
| using DxFeed.Graal.Net.Events.Candles; | ||
| using ScottPlot; | ||
|
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| namespace CandleChartSample; | ||
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| /// <summary> | ||
| /// Provides extension methods for converting <see cref="Candle"/> objects to <see cref="OHLC"/> objects. | ||
| /// </summary> | ||
| public static class CandleExtension | ||
| { | ||
| /// <summary> | ||
| /// Converts a <see cref="Candle"/> object to an <see cref="OHLC"/> object. | ||
| /// </summary> | ||
| /// <param name="candle">The candle to convert.</param> | ||
| /// <returns>An <see cref="OHLC"/> object representing the candle.</returns> | ||
| public static OHLC ToOHLC(this Candle candle) | ||
| { | ||
| var open = GetValueWithPriority(candle.Open, candle.High, candle.Low, candle.Close); | ||
| var high = GetValueWithPriority(candle.High, candle.Open, candle.Low, candle.Close); | ||
| var low = GetValueWithPriority(candle.Low, candle.Close, candle.Open, candle.High); | ||
| var close = GetValueWithPriority(candle.Close, candle.Low, candle.Open, candle.High); | ||
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| return new OHLC | ||
| { | ||
| Open = open, | ||
| High = high, | ||
| Low = low, | ||
| Close = close, | ||
| DateTime = DateTimeOffset.FromUnixTimeMilliseconds(candle.Time).DateTime.ToLocalTime(), | ||
| TimeSpan = TimeSpan.FromMilliseconds(candle.CandleSymbol!.Period!.PeriodIntervalMillis) | ||
| }; | ||
| } | ||
|
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| /// <summary> | ||
| /// Returns the first non-NaN value from the provided list of values. | ||
| /// </summary> | ||
| /// <param name="values">An array of double values to check.</param> | ||
| /// <returns>The first non-NaN value, or NaN if all values are NaN.</returns> | ||
| private static double GetValueWithPriority(params double[] values) | ||
| { | ||
| foreach (var value in values) | ||
| { | ||
| if (!double.IsNaN(value)) | ||
| { | ||
| return value; | ||
| } | ||
| } | ||
| return double.NaN; | ||
| } | ||
| } |
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