protected override void DeleteCore()
{
var previousSelection = new List <Document>(SelectedDocuments);
var documentsCopy = SelectedDocuments.Select(d => d.DuckCopy <Document>()).ToList();
#region Do action
Action doAction = delegate
{
var documentsView = DetailsViewType == DetailsViewType.Documents ?
(IEditableCollectionView)DocumentsViewSource.View :
(IEditableCollectionView)ImagesViewSource.View;
foreach (var document in SelectedDocuments.ToList())
{
documentsView.EditItem(document);
document.DocumentFolder = Folders.Trash;
AsyncUpdateQueue.Enqueue(document);
documentsView.CommitEdit();
}
};
#endregion
#region Undo action
Action undoAction = delegate
{
foreach (var document in previousSelection)
{
Document document1 = document;
var oldDocument = documentsCopy.Single(d => d.DocumentId == document1.DocumentId);
document.DocumentFolder = oldDocument.DocumentFolder;
AsyncUpdateQueue.Enqueue(document);
}
// We cannot use the IEditableObject appraoch here because the document in question
// probably might not be in view anymore. So instead we will refresh the whole view.
if (DetailsViewType == DetailsViewType.Documents)
{
DocumentsViewSource.View.Refresh();
}
else
{
ImagesViewSource.View.Refresh();
}
};
#endregion
ClientState.Current.UndoManager.Execute(new HistoryAction(doAction, undoAction));
}
protected override void MarkUnreadCore()
{
var previousSelection = new List <Document>(SelectedDocuments);
var documentsCopy = SelectedDocuments.Select(d => d.DuckCopy <Document>()).ToList();
#region Do action
Action doAction = delegate
{
foreach (var document in SelectedDocuments.ToList())
{
var documentsView = DetailsViewType == DetailsViewType.Documents ?
(IEditableCollectionView)DocumentsViewSource.View :
(IEditableCollectionView)ImagesViewSource.View;
documentsView.EditItem(document);
document.MarkUnread();
AsyncUpdateQueue.Enqueue(document);
documentsView.CommitEdit();
}
};
#endregion
#region Undo action
Action undoAction = delegate
{
foreach (var document in previousSelection)
{
Document document1 = document;
var oldDocument = documentsCopy.Single(d => d.DocumentId == document1.DocumentId);
document.IsRead = oldDocument.IsRead;
document.UpdateProperty("IsRead");
AsyncUpdateQueue.Enqueue(document);
}
if (DetailsViewType == DetailsViewType.Documents)
{
DocumentsViewSource.View.Refresh();
}
else
{
ImagesViewSource.View.Refresh();
}
};
#endregion
ClientState.Current.UndoManager.Execute(new HistoryAction(doAction, undoAction));
}
private CheckBox CreateCheckBoxForDocument(Document document)
{
var docCheckBox = new CheckBox
{
Content = document.Name,
HorizontalAlignment = HorizontalAlignment.Left
};
docCheckBox.Checked += delegate { SelectedDocuments.Add(document); };
docCheckBox.Unchecked += delegate { SelectedDocuments.Remove(document); };
docCheckBox.Checked += delegate { okButton.SetBinding(DependencyProperty.Register(nameof(ValidSelection), typeof(bool), typeof(CrossJoinSelectDialog)), new System.Windows.Data.Binding()); };
docCheckBox.Unchecked += delegate { okButton.IsEnabled = SelectedDocuments.Count > 1; };
return(docCheckBox);
}
public void SetSelecting(bool selecting, bool animated)
{
SelectedDocuments.Clear();
}
