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BeginCommand utilizes canExecute

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This commit is contained in:
Justin Swanson 2019-10-12 13:42:47 -05:00
parent 1b185c5ef6
commit d6295cc306
3 changed files with 16 additions and 11 deletions
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19
Wabbajack/AppState.cs
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@ -63,10 +63,13 @@ namespace Wabbajack
private BitmapImage _NextIcon = UIUtils.BitmapImageFromResource("Wabbajack.UI.Icons.next.png");
public BitmapImage NextIcon { get => _NextIcon; set => this.RaiseAndSetIfChanged(ref _NextIcon, value); }
private bool _UIReady;
public bool UIReady { get => _UIReady; set => this.RaiseAndSetIfChanged(ref _UIReady, value); }
// Command properties
public IReactiveCommand ChangePathCommand => ReactiveCommand.Create(ExecuteChangePath);
public IReactiveCommand ChangeDownloadPathCommand => ReactiveCommand.Create(ExecuteChangeDownloadPath);
public IReactiveCommand BeginCommand => ReactiveCommand.Create(ExecuteBegin);
public IReactiveCommand BeginCommand { get; }
public IReactiveCommand ShowReportCommand => ReactiveCommand.Create(ShowReport);
public IReactiveCommand VisitNexusSiteCommand => ReactiveCommand.Create(VisitNexusSite);
public IReactiveCommand OpenReadmeCommand { get; }
@ -91,7 +94,12 @@ namespace Wabbajack
this.OpenReadmeCommand = ReactiveCommand.Create(
execute: this.OpenReadmeWindow,
canExecute: this.WhenAny(x => x.ModList)
.Select(modList => !string.IsNullOrEmpty(modList?.Readme)));
.Select(modList => !string.IsNullOrEmpty(modList?.Readme))
.ObserveOnGuiThread());
this.BeginCommand = ReactiveCommand.Create(
execute: this.ExecuteBegin,
canExecute: this.WhenAny(x => x.UIReady)
.ObserveOnGuiThread());
// Apply modlist properties when it changes
this.WhenAny(x => x.ModList)
@ -306,13 +314,6 @@ namespace Wabbajack
viewer.Show();
}
private bool _uiReady = false;
public bool UIReady
{
get => _uiReady;
set => this.RaiseAndSetIfChanged(ref _uiReady, value);
}
private string _SplashScreenModName = "Wabbajack";
public string SplashScreenModName { get => _SplashScreenModName; set => this.RaiseAndSetIfChanged(ref _SplashScreenModName, value); }

5
Wabbajack/Extensions/ReactiveUIExt.cs
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@ -24,6 +24,11 @@ namespace Wabbajack
return source.Where(u => u != null);
}
public static IObservable<T> ObserveOnGuiThread<T>(this IObservable<T> source)
{
return source.ObserveOn(RxApp.MainThreadScheduler);
}
/// These snippets were provided by RolandPheasant (author of DynamicData)
/// They'll be going into the official library at some point, but are here for now.
#region Dynamic Data EnsureUniqueChanges

3
Wabbajack/UI/MainWindow.xaml
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@ -315,8 +315,7 @@
<Button
Grid.Row="1"
Margin="0,4,0,0"
Command="{Binding BeginCommand}"
IsEnabled="{Binding UIReady}">
Command="{Binding BeginCommand}">
<TextBlock FontSize="13" FontWeight="Bold">Begin</TextBlock>
</Button>
</Grid>