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KristofferStrubeKristofferStrube
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Added View PDF sample using URLService.
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‎samples/KristofferStrube.Blazor.FileSystemAccess.ServerExample/KristofferStrube.Blazor.FileSystemAccess.ServerExample.csproj‎

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<ProjectReference Include="..\..\src\KristofferStrube.Blazor.FileSystemAccess\KristofferStrube.Blazor.FileSystemAccess.csproj" />
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</ItemGroup>
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<ItemGroup>
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<Content Update="Shared\NavMenu.razor">
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<ExcludeFromSingleFile>true</ExcludeFromSingleFile>
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</Content>
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</ItemGroup>
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</Project>

‎samples/KristofferStrube.Blazor.FileSystemAccess.ServerExample/Pages/ViewPDF.razor‎

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@page "/ViewPDF"
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@implements IAsyncDisposable
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@inject IFileSystemAccessService FileSystemAccessService
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@inject IURLService URL
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<PageTitle>File System Access - View PDF</PageTitle>
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<button @onclick="OpenFilePicker" class="btn btn-primary">Open PDF</button>
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<br />
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<br />
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@if (fileHandle is not null)
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{
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<iframe style="width:100%;height:calc(100vh - 180px);" src="@pdfURL"></iframe>
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}
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@code {
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private string pdfURL = "";
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private FileSystemFileHandle? fileHandle;
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private async Task OpenFilePicker()
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{
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try
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{
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var options = new OpenFilePickerOptionsStartInWellKnownDirectory()
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{
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Multiple = false,
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StartIn = WellKnownDirectory.Downloads,
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Types = new FilePickerAcceptType[] {
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new() {
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Description = "PDFs",
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Accept = new() { { "application/pdf", new string[] { ".pdf" } } }
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}
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}
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};
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var fileHandles = await FileSystemAccessService.ShowOpenFilePickerAsync(options);
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fileHandle = fileHandles.Single();
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}
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catch (JSException ex)
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{
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Console.WriteLine(ex);
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}
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finally
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{
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if (fileHandle != null)
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{
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var file = await fileHandle.GetFileAsync();
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pdfURL = await URL.CreateObjectURLAsync(file);
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}
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}
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}
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public async ValueTask DisposeAsync()
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{
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await URL.RevokeObjectURLAsync(pdfURL);
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}
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}

‎samples/KristofferStrube.Blazor.FileSystemAccess.ServerExample/Program.cs‎

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using KristofferStrube.Blazor.FileAPI;
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using KristofferStrube.Blazor.FileSystemAccess;
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using TG.Blazor.IndexedDB;
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builder.Services.AddRazorPages();
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builder.Services.AddServerSideBlazor();
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builder.Services.AddFileSystemAccessService();
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builder.Services.AddURLService();
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// Adding and configuring IndexedDB used for the IndexedDB sample.
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builder.Services.AddIndexedDB(dbStore =>

‎samples/KristofferStrube.Blazor.FileSystemAccess.ServerExample/Shared/NavMenu.razor‎

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<span class="oi oi-box" aria-hidden="true"></span> View Zip File
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</NavLink>
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</div>
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<div class="nav-item px-3">
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<NavLink class="nav-link" href="ViewPDF">
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<span class="oi oi-book aria-hidden="true"></span> View PDF
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</NavLink>
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</div>
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<div class="nav-item px-3">
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<NavLink class="nav-link" href="MultipleFiles">
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<span class="oi oi-layers" aria-hidden="true"></span> Open Multiple Files

‎samples/KristofferStrube.Blazor.FileSystemAccess.WasmExample/Pages/ViewPDF.razor‎

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@page "/ViewPDF"
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@implements IDisposable
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@inject IFileSystemAccessServiceInProcess FileSystemAccessService
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@inject IURLServiceInProcess URL
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<PageTitle>File System Access - View PDF</PageTitle>
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<button @onclick="OpenFilePicker" class="btn btn-primary">Open PDF</button>
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<br />
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<br />
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@if (fileHandle is not null)
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{
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<iframe style="width:100%;height:calc(100% - 80px);" src="@pdfURL"></iframe>
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}
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@code {
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private string pdfURL = "";
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private FileSystemFileHandleInProcess? fileHandle;
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private async Task OpenFilePicker()
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{
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try
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{
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var options = new OpenFilePickerOptionsStartInWellKnownDirectory()
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{
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Multiple = false,
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StartIn = WellKnownDirectory.Downloads,
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Types = new FilePickerAcceptType[] {
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new() {
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Description = "PDFs",
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Accept = new() { { "application/pdf", new string[] { ".pdf" } } }
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}
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}
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};
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var fileHandles = await FileSystemAccessService.ShowOpenFilePickerAsync(options);
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fileHandle = fileHandles.Single();
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}
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catch (JSException ex)
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{
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Console.WriteLine(ex);
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}
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finally
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{
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if (fileHandle != null)
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{
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var file = await fileHandle.GetFileAsync();
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pdfURL = URL.CreateObjectURL(file);
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}
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}
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}
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public void Dispose()
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{
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URL.RevokeObjectURL(pdfURL);
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}
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}

‎samples/KristofferStrube.Blazor.FileSystemAccess.WasmExample/Program.cs‎

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using KristofferStrube.Blazor.FileAPI;
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using KristofferStrube.Blazor.FileSystemAccess;
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using KristofferStrube.Blazor.FileSystemAccess.WasmExample;
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using Microsoft.AspNetCore.Components.Web;
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builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
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builder.Services.AddFileSystemAccessServiceInProcess();
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builder.Services.AddURLServiceInProcess();
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// Adding and configuring IndexedDB used for the IndexedDB sample.
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builder.Services.AddIndexedDB(dbStore =>

‎samples/KristofferStrube.Blazor.FileSystemAccess.WasmExample/Shared/NavMenu.razor‎

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<span class="oi oi-box" aria-hidden="true"></span> View Zip File
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</NavLink>
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</div>
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<div class="nav-item px-3">
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<NavLink class="nav-link" href="ViewPDF">
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<span class="oi oi-book aria-hidden="true"></span> View PDF
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</NavLink>
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</div>
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<div class="nav-item px-3">
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<NavLink class="nav-link" href="MultipleFiles">
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<span class="oi oi-layers" aria-hidden="true"></span> Open Multiple Files

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