public ToDo(string td, string prior)
{
toDo = td;
priority = prior;
next = null;
prev = null;
}
public void Enqueue(ToDo newToDo)
{
if (newToDo != null)
{
if (queue.Count() == 0)
{
//this.queue.Add(newToDo);
}
else
{
var priorityLvl = queue.Where(q => q.Priority == newToDo.Priority);
if (priorityLvl.Any())
{
foreach (var td in priorityLvl)
{
var lastInPrior = priorityLvl.Where(t => t == td.Previous);
if (!lastInPrior.Any())
{
if (td.Previous != null)
{
var newPrev = td.Previous;
newToDo.Previous = newPrev;
newToDo.Next = td;
td.Previous = newToDo;
newPrev.Next = newToDo;
//queue.Add(newToDo);
}
else
{
td.Previous = newToDo;
newToDo.Next = td;
//queue.Add(newToDo);
}
}
}
}
}
this.queue.Add(newToDo);
}
}
private void btnAddToDo_Click(object sender, EventArgs e)
{
var nToDo = new ToDo(txtAddToDo.Text, ddlPriority.Text);
nQue.Enqueue(nToDo);
lblNextOutput.Text = nQue.First.ThingToDo;
}