/// <summary>
/// Add the recently executed command.
/// </summary>
void CadKit.Interfaces.ICommandHistory.add(object command)
{
CadKit.Interfaces.ICommand cmd = command as CadKit.Interfaces.ICommand;
if (null != cmd)
{
using (this.Lock.write())
{
_done.Push(cmd);
_undone.Clear();
}
}
}
/// <summary>
/// Redo the command that was last undone.
/// </summary>
void CadKit.Interfaces.ICommandHistory.redo()
{
if (true == this.CanRedo)
{
// Move the command over to the "done" stack before we execute.
CadKit.Interfaces.ICommand command = null;
using (this.Lock.read())
{
command = _undone.Pop();
}
if (null != command)
{
using (this.Lock.write())
{
_done.Push(command);
}
// Execute the command. This may throw.
command.execute();
}
}
}
/// <summary>
/// Constructor.
/// </summary>
public OpenDocumentTask(string file, object caller, CadKit.Interfaces.ICommand command)
: base(file, caller)
{
// Set members.
_command = command;
}
