/// <summary>
/// Initializes a new instance of the <see cref="TermListViewModel"/> class.
/// </summary>
/// <param name="termsService">A service that allows to access a storage of glossary terms.</param>
/// <param name="editViewModel">A model of a view to edit terms.</param>
public TermListViewModel(ITermsService termsService, ITermEditViewModel editViewModel)
{
if (termsService == null)
{
throw new ArgumentNullException("termsService");
}
if (editViewModel == null)
{
throw new ArgumentNullException("editViewModel");
}
this._termsService = termsService;
this.EditViewModel = editViewModel;
// Create view of term collection sorted by Name.
var termsView = new ListCollectionView(this._terms);
termsView.SortDescriptions.Add(new SortDescription(
PropertyExpressionHelper.GetName <Term, string>(_ => _.Name),
ListSortDirection.Ascending));
this._termsView = termsView;
this._termsViewContext = new DispatcherSynchronizationContext(termsView.Dispatcher);
// Create commands.
this._addTerm = new RelayCommand(
_ => this.AddTermExecuted(),
_ => !this.IsBusy && !this.IsEditMode);
this._editTerm = new RelayCommand(
p => this.EditTermExecuted(p),
p => !this.IsBusy && !this.IsEditMode && this._terms.Contains(p));
this._deleteTerm = new RelayCommand(
_ => this.DeleteTermExecuted(),
p => !this.IsBusy && this._editingTerm != null);
this._accept = new RelayCommand(
_ => this.AcceptExecuted(),
_ => !this.IsBusy && this.IsEditMode);
this._cancel = new RelayCommand(
_ => this.CancelExecuted(),
_ => !this.IsBusy && this.IsEditMode);
this._recreateStorage = new RelayCommand(
_ => this.RecreateStorageExecuted(),
_ => this._isInvalidStorage);
this.StartLoadTerms();
}
/// <summary>
/// Initializes a new instance of the <see cref="TermListViewModelDraft"/> class.
/// </summary>
/// <param name="termsService">A service that allows to access a storage of glossary terms.</param>
/// <param name="editViewModel">A model of a view to edit terms.</param>
public TermListViewModelDraft(ITermsService termsService, ITermEditViewModel editViewModel)
: base(termsService, editViewModel)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="TermListViewModel"/> class
/// and ensures that terms were loaded from the service.
/// </summary>
/// <param name="termsService">A service that allows to access a storage of glossary terms.</param>
/// <param name="editViewModel">A model of a view to edit terms.</param>
private static TermListViewModel CreateViewModelLoaded(ITermsService termsService, ITermEditViewModel editViewModel)
{
var model = new TermListViewModel(termsService, editViewModel);
DispatcherHelper.ProcessCurrentQueue();
return(model);
}
