public void StackWithNextCommand(IStackableCommand nextCommand)
{
var next = nextCommand as Class1;
if (next != null)
{
NextNum = next.NextNum;
}
}
private bool StackCommand(ICommand myAction)
{
//get the previous item off the stack
if (UndoStack.Count > 0)
{
//check if the previous item is stackable
IStackableCommand prevStackable = UndoStack.Last.Value as IStackableCommand;
if (null != prevStackable)
{
//check if the previous and current item can be stacked
var nextStackable = myAction as IStackableCommand;
if (prevStackable.CompareWithNextCommand(nextStackable))
{
//stack the previous and current item and execute it
prevStackable.StackWithNextCommand(nextStackable);
return(prevStackable.Execute());
}
}
}
return(false);
}
public bool CompareWithNextCommand(IStackableCommand nextCommand)
{
var next = nextCommand as Class1;
return(next != null && next._num.Name == _num.Name);
}
