public void Execute(RedoCommand command)
{
IsUndoRedo = true;
Repository = Container.Resolve <IRepository>();
var redoGroup = Repository.All <RedoItem>().GroupBy(p => p.Group).LastOrDefault();
if (redoGroup == null)
{
return;
}
foreach (var redoItem in redoGroup)
{
// Create redo item
var undoItem = InvertJsonExtensions.DeserializeObject(typeof(UndoItem), JSON.Parse(redoItem.UndoData)) as UndoItem;
if (redoItem.Type == UndoType.Inserted)
{
var record = Repository.GetById <IDataRecord>(redoItem.DataRecordId);
Repository.Remove(record);
}
else if (redoItem.Type == UndoType.Removed)
{
var obj = InvertJsonExtensions.DeserializeObject(Type.GetType(redoItem.RecordType), JSON.Parse(redoItem.Data).AsObject) as IDataRecord;
Repository.Add(obj);
}
else
{
var record = Repository.GetById <IDataRecord>(redoItem.DataRecordId);
// We don't want to signal any events on deserialization
record.Repository = null;
InvertJsonExtensions.DeserializeExistingObject(record, JSON.Parse(redoItem.Data).AsObject);
record.Changed = true;
record.Repository = Repository;
}
Repository.Remove(redoItem);
Repository.Add(undoItem);
}
IsUndoRedo = false;
Repository.Commit();
}
public void Execute(UndoCommand command)
{
Repository = Container.Resolve <IRepository>();
var undoGroup = Repository.All <UndoItem>().GroupBy(p => p.Group).LastOrDefault();
if (undoGroup == null)
{
return;
}
IsUndoRedo = true;
try
{
foreach (var undoItem in undoGroup)
{
// Create redo item
var redoItem = new RedoItem();
redoItem.Data = undoItem.Data;
redoItem.Group = undoItem.Group;
redoItem.DataRecordId = undoItem.DataRecordId;
redoItem.Name = undoItem.Name;
redoItem.Time = undoItem.Time;
redoItem.Type = undoItem.Type;
redoItem.RecordType = undoItem.RecordType;
redoItem.UndoData = InvertJsonExtensions.SerializeObject(undoItem).ToString();
if (undoItem.Type == UndoType.Inserted)
{
var record = Repository.GetById <IDataRecord>(undoItem.DataRecordId);
redoItem.Data = InvertJsonExtensions.SerializeObject(record).ToString();
Repository.Remove(record);
redoItem.Type = UndoType.Removed;
}
else if (undoItem.Type == UndoType.Removed)
{
var obj =
InvertJsonExtensions.DeserializeObject(Type.GetType(undoItem.RecordType),
JSON.Parse(undoItem.Data).AsObject) as IDataRecord;
Repository.Add(obj);
redoItem.Type = UndoType.Inserted;
redoItem.Data = InvertJsonExtensions.SerializeObject(obj).ToString();
}
else
{
var record = Repository.GetById <IDataRecord>(undoItem.DataRecordId);
// We don't want to signal any events on deserialization
record.Repository = null;
redoItem.Data = InvertJsonExtensions.SerializeObject(record).ToString();
InvertJsonExtensions.DeserializeExistingObject(record, JSON.Parse(undoItem.Data).AsObject);
record.Changed = true;
record.Repository = Repository;
}
Repository.Remove(undoItem);
Repository.Add(redoItem);
}
}
catch (Exception ex)
{
// If we don't catch the exception IsUndoRedo won't be set back to fals causing cascading issues
}
IsUndoRedo = false;
Repository.Commit();
}