/// <summary>Commits current command and saves changes into history</summary>
public void Commit(string caption)
{
AssertCurrentCommand();
log.Add(" [Commit]");
Command commitedCommand = PopCommand();
if (commitedCommand.HasChanges)
{
commitedCommand.Commit(caption);
if (IsAnyParentCommand())
{ // this is nested command - merge with parent
CurrentCommand.Merge(commitedCommand);
}
else
{ // put command into the history
// remove all redo records
int count = history.Count - currentPosition - 1;
history.RemoveRange(currentPosition + 1, count);
// add command to history
if (commitedCommand.Visible)
{
history.Add(commitedCommand);
currentPosition++;
TruncateHistory();
}
else
{
// merge with previous command
if (currentPosition >= 0)
{
history[currentPosition].Merge(commitedCommand);
}
}
OnCommandDone(commitedCommand, CommandDoneType.Commit);
}
}
}