H.ReactiveUI.CommonInteractions.Wpf 1.0.44

H.ReactiveUI.CommonInteractions

Common ReactiveUI MVVM Level Interactions(like open/save file) for WPF/UWP/WinUI/Uno/Avalonia platforms.

NuGet

Install-Package H.ReactiveUI.CommonInteractions.Core
Install-Package H.ReactiveUI.CommonInteractions.Wpf
Install-Package H.ReactiveUI.CommonInteractions.Uno
Install-Package H.ReactiveUI.CommonInteractions.Uwp
Install-Package H.ReactiveUI.CommonInteractions.WinUI
Install-Package H.ReactiveUI.CommonInteractions.Avalonia

Usage

Add to your App constructors:

public sealed partial class App
{
    private InteractionManager InteractionManager { get; } = new();

    public App()
    {
        InteractionManager.Register();

        // Not necessary. Displays unhandled exceptions using MessageInteractions.Exception.
        // InteractionManager.CatchUnhandledExceptions();

        // your code
    }
}

FileInteractions

// Open
var file = await FileInteractions.OpenFile.Handle(new OpenFileArguments
{
    SuggestedFileName = "my.txt",
    Extensions = new[] { ".txt" },
    FilterName = "My txt files",
});
if (file == null)
{
    return;
}
var text = await file.ReadTextAsync().ConfigureAwait(true);

// Save (you need to save file from previuos step)
await file.WriteTextAsync(text).ConfigureAwait(false);

// Save As
var file = await FileInteractions.SaveFile.Handle(new SaveFileArguments(".txt")
{
    SuggestedFileName = "my.txt",
    FilterName = "My txt files",
});
if (file == null)
{
    return;
}
await file.WriteTextAsync(text).ConfigureAwait(false);

MessageInteractions

await MessageInteractions.Message.Handle("Message");
await MessageInteractions.Warning.Handle("Warning");
await MessageInteractions.Exception.Handle(new InvalidOperationException("Exception"));
bool question = await MessageInteractions.Question.Handle(new QuestionData("Are you sure?"));

WinUI requires a window to display the ContentDialog, so you'll need to set it explicitly in your App.OnLaunched:

protected override void OnLaunched(LaunchActivatedEventArgs args)
{
#if HAS_WINUI
    var window = new Window();
    MessageInteractionManager.Window = window;
#endif
}

WebInteractions

await WebInteractions.OpenUrl.Handle("https://www.google.com/");

DragAndDropExtensions

// WPF
xmlns:h="clr-namespace:H.ReactiveUI;assembly=H.ReactiveUI.CommonInteractions.Wpf" 
// UWP/Uno
xmlns:h="using:H.ReactiveUI"

<Element
    AllowDrop="True"
    h:DragAndDropExtensions.DragFilesEnterCommand="{Binding DragFilesEnter}"
    h:DragAndDropExtensions.DragTextEnterCommand="{Binding DragTextEnter}"
    h:DragAndDropExtensions.DragLeaveCommand="{Binding DragLeave}"
    h:DragAndDropExtensions.DropFilesCommand="{Binding DropFiles}"
    h:DragAndDropExtensions.DropTextCommand="{Binding DropText}"
    >

Command arguments: DragFilesEnterCommand - FileData[] - Array of files.
DragTextEnterCommand - string - Text.
DragLeaveCommand - null.
DropFilesCommand - FileData[] - Array of files.
DropTextCommand - string - Text.

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