/// <summary>
/// Initializes the commands and sets <see cref="CredentialTokens"/> to an empty collection.
/// The ViewModel must be activated before use.
/// </summary>
/// <param name="credentialProvider">Provider to use for accessing stored credentials.</param>
public SavedCredentialsViewModel(
ICredentialStorageProvider credentialProvider
)
{
this.credentialProvider = credentialProvider ?? throw new ArgumentNullException(nameof(credentialProvider));
this.deleteCredentialCommand = new AsyncTypedCommand <string>(
(token) => token != null,
async(token) =>
{
if (this.allCredentials.Contains(token))
{
await this.credentialProvider.DeleteAsync(token);
this.allCredentials.Remove(token);
}
}
);
this.deleteAllCommand = new AsyncActionCommand(
async() =>
{
await this.credentialProvider.ClearAsync();
this.allCredentials.Clear();
}
);
this.allCredentials = new ObservableCollection <string>();
}
/// <summary>
/// Passes provided parameters to the base constructor and initializes commands.
/// </summary>
/// <param name="resourceProvider">IResourceProvider for localizing strings.</param>
/// <param name="navigationViewModel"></param>
/// <param name="persistenceService"></param>
/// <param name="clipboardService"></param>
/// <param name="settingsService"></param>
/// <param name="document"></param>
/// <param name="entry"></param>
/// <param name="isNew"></param>
/// <param name="isReadOnly"></param>
/// <param name="rng"></param>
private EntryDetailsViewModel(
IResourceProvider resourceProvider,
IDatabaseNavigationViewModel navigationViewModel,
IDatabasePersistenceService persistenceService,
ISensitiveClipboardService clipboardService,
IAppSettingsService settingsService,
KdbxDocument document,
IKeePassEntry entry,
bool isNew,
bool isReadOnly,
IRandomNumberGenerator rng
) : base(navigationViewModel, persistenceService, document, entry, isNew, isReadOnly)
{
this.resourceProvider = resourceProvider;
this.clipboardService = clipboardService;
this.settingsService = settingsService;
this.rng = rng;
this.copyFieldValueCommand = new TypedCommand <IProtectedString>(
str =>
{
clipboardService.CopyCredential(str.ClearValue, ClipboardOperationType.Other);
}
);
this.deleteFieldCommand = new TypedCommand <IProtectedString>(
str => !IsReadOnly && PersistenceService.CanSave,
str =>
{
DebugHelper.Assert(!IsReadOnly);
WorkingCopy.Fields.Remove(str);
}
);
this.editFieldCommand = new AsyncTypedCommand <IProtectedString>(
str => PersistenceService.CanSave,
async str =>
{
IsReadOnly = false;
await UpdateFieldEditorViewModel(new FieldEditorViewModel(str, this.resourceProvider));
}
);
this.newFieldCommand = new AsyncActionCommand(
() => PersistenceService.CanSave,
async() =>
{
IsReadOnly = false;
await UpdateFieldEditorViewModel(new FieldEditorViewModel(this.rng, this.resourceProvider));
}
);
this.commitFieldCommand = new AsyncActionCommand(
() => FieldEditorViewModel?.CommitCommand.CanExecute(WorkingCopy) ?? false,
async() =>
{
FieldEditorViewModel.CommitCommand.Execute(WorkingCopy);
await UpdateFieldEditorViewModel(null);
}
);
PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(IsReadOnly))
{
((TypedCommand <IProtectedString>)DeleteFieldCommand).RaiseCanExecuteChanged();
}
else if (e.PropertyName == nameof(WorkingCopy))
{
OnPropertyChanged(nameof(WorkingCopyViewModel));
}
};
}
