public void AddTest()
{
var docs = createDocList();
ReadDocumentManager target = new ReadDocumentManager(docs);
target.Add();
var difference = target.Documents.Except(docs);
Assert.IsTrue(difference.Count() == 1);
target.Add();
difference = target.Documents.Except(docs);
Assert.IsTrue(difference.Count() == 2);
}
public void RemoveTest()
{
ReadDocumentManager target; // The manager that is being tested
List <ReadDocument> docs; // The documents in the start
ReadDocument doc1; // The created documents
ReadDocument doc2; // The created documents
IEnumerable <ReadDocument> difference; // Creates the difference from the before to the current
// Test adding one document
docs = createDocList();
target = new ReadDocumentManager(docs);
doc1 = target.Add();
difference = target.Documents.Except(docs);
Assert.IsTrue(difference.Count() == 1);
Assert.AreEqual(doc1, difference.First());
target.Remove(doc1);
CollectionAssert.AreEqual(docs, target.Documents);
// Test adding two documents, remove the first, and the second
docs = createDocList();
target = new ReadDocumentManager(docs);
doc1 = target.Add();
difference = target.Documents.Except(docs);
Assert.IsTrue(difference.Count() == 1);
Assert.AreEqual(doc1, difference.First());
doc2 = target.Add();
difference = target.Documents.Except(docs);
Assert.IsTrue(difference.Count() == 2);
target.Remove(doc1);
difference = target.Documents.Except(docs);
Assert.IsTrue(difference.Count() == 1);
Assert.AreEqual(doc2, difference.First());
target.Remove(doc2);
difference = target.Documents.Except(docs);
Assert.IsTrue(difference.Count() == 0);
CollectionAssert.AreEqual(docs, target.Documents);
}
public MainWindowViewModel(ReadDocumentManager docsMan)
{
// Add commandbindings
_reader = new DocumentReader();
_reader.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(_reader_PropertyChanged);
_commandBindings = new CommandBindingCollection();
CommandBinding NewCmdBinding = new CommandBinding(
ApplicationCommands.New, (t, e) => _docsMan.Add());
this.CommandBindings.Add(NewCmdBinding);
CommandBinding PlayCmdBinding = new CommandBinding(
MediaCommands.Play, PlayCmdExecuted, PlayCmdCanExecute);
this.CommandBindings.Add(PlayCmdBinding);
CommandBinding PauseCmdBinding = new CommandBinding(
MediaCommands.Pause, PauseCmdExecuted, PauseCmdCanExecute);
this.CommandBindings.Add(PauseCmdBinding);
CommandBinding StopCmdBinding = new CommandBinding(
MediaCommands.Stop, (t, e) => _reader.StopReading());
this.CommandBindings.Add(StopCmdBinding);
_docsMan = docsMan;
_rdvms = new ObservableCollection <ReadDocumentViewModel>();
//The easiest way to republate the viewmodel is to call the delegate that manages the changes
MainWindowViewModel_CollectionChanged(_docsMan.Documents, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
// To keep our ViewModelCollection up to date we need to listen for changes
((INotifyCollectionChanged)(_docsMan.Documents)).CollectionChanged += new NotifyCollectionChangedEventHandler(MainWindowViewModel_CollectionChanged);
// Select the first document if any.
Document = Documents.FirstOrDefault();
}