49 lines
1.6 KiB
C#
49 lines
1.6 KiB
C#
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using WPFluent.Controls;
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using System.Windows.Controls;
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namespace WPFluent;
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/// <summary>
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/// Represents a contract with the service that creates <see cref="ContentDialog"/>.
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/// </summary>
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/// <example>
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/// <code lang="xml"> <ContentPresenter x:Name="RootContentDialogPresenter" Grid.Row="0" /></code> <code
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/// lang="csharp"> IContentDialogService contentDialogService = new ContentDialogService();
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/// contentDialogService.SetContentPresenter(RootContentDialogPresenter); await _contentDialogService.ShowAsync( new
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/// ContentDialog(){ Title = "The cake?", Content = "IS A LIE!", PrimaryButtonText = "Save", SecondaryButtonText =
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/// "Don't Save", CloseButtonText = "Cancel" } );</code>
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/// </example>
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public class ContentDialogService : IContentDialogService
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{
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private ContentPresenter? _dialogHost;
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/// <inheritdoc/>
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public ContentPresenter? GetDialogHost() { return _dialogHost; }
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/// <inheritdoc/>
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public void SetDialogHost(ContentPresenter contentPresenter) { _dialogHost = contentPresenter; }
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/// <inheritdoc/>
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public Task<ContentDialogResult> ShowAsync(ContentDialog dialog, CancellationToken cancellationToken)
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{
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if (_dialogHost == null)
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{
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throw new InvalidOperationException("The DialogHost was never set.");
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}
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if (dialog.DialogHost != null && _dialogHost != dialog.DialogHost)
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{
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throw new InvalidOperationException("The DialogHost is not the same as the one that was previously set.");
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}
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dialog.DialogHost = _dialogHost;
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return dialog.ShowAsync(cancellationToken);
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}
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}
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