private void PrintStackToGridView(DataGridView grid)
{
grid.Rows.Clear();
StackElement currentElement = top;
while (currentElement != null)
{
grid.Rows.Add(currentElement.value.ToString());
currentElement = currentElement.prev;
}
}
public int FindLowestPage(Dictionary <int, int> items)
{
StackElement currentElement = top;
int lowestPage = -1;
while (currentElement != null)
{
if (items.Values.Contains(currentElement.value))
{
lowestPage = currentElement.value;
}
currentElement = currentElement.prev;
}
return(lowestPage);
}
public void Push(int value, DataGridView grid)
{
StackElement newElement = new StackElement(value);
if (bottom == null)
{
bottom = top = newElement;
}
else
{
StackElement currentElement = bottom;
while (true)
{
if (currentElement.value == value)
{
if (currentElement == bottom && currentElement == top)
{
PrintValues();
return;
}
else if (currentElement == bottom)
{
bottom = bottom.next;
bottom.prev = null;
top.next = currentElement;
currentElement.prev = top;
top = currentElement;
currentElement.next = null;
PrintValues();
return;
}
else if (currentElement == top)
{
PrintValues();
return;
}
else
{
currentElement.prev.next = currentElement.next;
currentElement.next.prev = currentElement.prev;
top.next = currentElement;
currentElement.prev = top;
top = currentElement;
currentElement.next = null;
PrintValues();
return;
}
}
if (currentElement.next == null)
{
break;
}
else
{
currentElement = currentElement.next;
}
}
top.next = newElement;
newElement.prev = top;
top = newElement;
newElement.next = null;
PrintValues();
PrintStackToGridView(grid);
}
}
