Esempio n. 1
0
        public void Transact(IUITransactable context, UITransactionOp op, object[] elems)
        {
            if (!Enabled)
            {
                return;
            }
            checkRestart();
            UITransaction tr = new UITransaction();

            tr.op      = op;
            tr.elems   = elems;
            tr.context = context;
            trans.Add(tr);
        }
Esempio n. 2
0
        public void Commit()
        {
            if (!Enabled)
            {
                return;
            }
            checkRestart();
            if (trans.Count > 0 && trans[trans.Count - 1].op == UITransactionOp.Checkpoint)
            {
                return;
            }
            UITransaction tr = new UITransaction();

            tr.op = UITransactionOp.Checkpoint;
            trans.Add(tr);
        }
Esempio n. 3
0
        public void UndoTransaction(UITransaction tr)
        {
            int ix;

            switch (tr.op)
            {
            case UITransactionOp.SetAt:
                list[tr.i1] = (T)tr.elems[0];
                break;

            case UITransactionOp.Add:
                list.RemoveAt(list.Count - 1);
                break;

            case UITransactionOp.AddRange:
                list.RemoveRange(list.Count - tr.i1, tr.i1);
                break;

            case UITransactionOp.RemoveAt:
                list.Insert(tr.i1, (T)tr.elems[0]);
                break;

            case UITransactionOp.RemoveRange:
                for (ix = 0; ix < tr.elems.Length; ix++)
                {
                    list.Insert(tr.i1 + ix, (T)tr.elems[ix]);
                }
                break;

            case UITransactionOp.Clear:
                foreach (var obj in tr.elems)
                {
                    list.Add((T)obj);
                }
                break;

            case UITransactionOp.InsertAt:
                list.RemoveAt(tr.i1);
                break;

            default:
                throw new NotImplementedException("undotrans Unsupported OP: " + tr.op);
            }
        }
Esempio n. 4
0
        public void PlayTransaction(UITransaction tr)
        {
            switch (tr.op)
            {
            case UITransactionOp.SetAt:
                list[tr.i1] = (T)tr.elems[1];
                break;

            case UITransactionOp.Add:
                list.Add((T)tr.elems[0]);
                break;

            case UITransactionOp.AddRange:
                foreach (var obj in tr.elems)
                {
                    list.Add((T)obj);
                }
                break;

            case UITransactionOp.RemoveAt:
                list.RemoveAt(tr.i1);
                break;

            case UITransactionOp.RemoveRange:
                list.RemoveRange(tr.i1, tr.i2);
                break;

            case UITransactionOp.Clear:
                list.Clear();
                break;

            case UITransactionOp.InsertAt:
                list.Insert(tr.i1, (T)tr.elems[0]);
                break;

            default:
                throw new NotImplementedException("playtrans Unsupported OP: " + tr.op);
            }
        }