private static void PrintTransaction(IReadOnlyTransaction transaction, StringBuilder stringBuilder, int increment, int offset = 0)
{
foreach (var operation in transaction.Operations)
{
PrintOperation(operation, stringBuilder, increment, offset + increment);
}
}
public string GetName(IReadOnlyTransaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
return(GetName(transaction.Id) ?? transaction.ToString());
}
/// <summary>
/// Purges the stack from the given index (included) to the top of the stack.
/// </summary>
/// <param name="index">The index from which to purge the stack.</param>
private void PurgeFromIndex(int index)
{
if (index < 0 || index > transactions.Count)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
if (transactions.Count - index > 0)
{
var discardedTransactions = new IReadOnlyTransaction[transactions.Count - index];
for (var i = index; i < transactions.Count; ++i)
{
transactions[i].Interface.Freeze();
discardedTransactions[i - index] = transactions[i];
}
transactions.RemoveRange(index, transactions.Count - index);
TransactionDiscarded?.Invoke(this, new TransactionsDiscardedEventArgs(discardedTransactions, DiscardReason.StackPurged));
}
}
public string GetName(IReadOnlyTransaction transaction)
{
if (transaction == null) throw new ArgumentNullException(nameof(transaction));
return GetName(transaction.Id) ?? transaction.ToString();
}
/// <summary>
/// Initializes a new instance of the <see cref="TransactionsDiscardedEventArgs"/> class.
/// </summary>
/// <param name="transaction">The transaction that have been discarded.</param>
/// <param name="reason">The reason why the transaction have been discarded.</param>
public TransactionsDiscardedEventArgs(IReadOnlyTransaction transaction, DiscardReason reason)
: this(new[] { transaction }, reason)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="TransactionViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">The service provider to use for this view model.</param>
/// <param name="transaction">The transaction represented by this view model.</param>
public TransactionViewModel(IViewModelServiceProvider serviceProvider, IReadOnlyTransaction transaction)
: base(serviceProvider)
{
this.transaction = transaction;
Name = ServiceProvider.Get <IUndoRedoService>().GetName(transaction);
}
/// <summary>
/// Initializes a new instance of the <see cref="TransactionEventArgs"/> class.
/// </summary>
/// <param name="transaction">The transaction associated to this event.</param>
public TransactionEventArgs(IReadOnlyTransaction transaction)
{
Transaction = transaction;
}
/// <summary>
/// Purges the stack from the given index (included) to the top of the stack.
/// </summary>
/// <param name="index">The index from which to purge the stack.</param>
private void PurgeFromIndex(int index)
{
if (index < 0 || index > transactions.Count) throw new ArgumentOutOfRangeException(nameof(index));
if (transactions.Count - index > 0)
{
var discardedTransactions = new IReadOnlyTransaction[transactions.Count - index];
for (var i = index; i < transactions.Count; ++i)
{
transactions[i].Interface.Freeze();
discardedTransactions[i - index] = transactions[i];
}
transactions.RemoveRange(index, transactions.Count - index);
TransactionDiscarded?.Invoke(this, new TransactionsDiscardedEventArgs(discardedTransactions, DiscardReason.StackPurged));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TransactionsDiscardedEventArgs"/> class.
/// </summary>
/// <param name="transaction">The transaction that have been discarded.</param>
/// <param name="reason">The reason why the transaction have been discarded.</param>
public TransactionsDiscardedEventArgs(IReadOnlyTransaction transaction, DiscardReason reason)
: this(new[] { transaction }, reason)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="TransactionsDiscardedEventArgs"/> class.
/// </summary>
/// <param name="transactions">The transactions that have been discarded.</param>
/// <param name="reason">The reason why the transactions have been discarded.</param>
public TransactionsDiscardedEventArgs(IReadOnlyTransaction[] transactions, DiscardReason reason)
{
Transactions = transactions;
Reason = reason;
}