//builds and starts a sorting thread of the given sorting type.
private void sort(Sorts the_sort)
{
//removes the old sorting thread if present
if (my_drawable != null)
{
resetOldThread();
}
//gets the maximum input value from the user
int max = getMax();
if (max == -1)
{
return;
}
//setup new sorting thread
my_drawable = new DrawnSort(the_sort, getInputArray(max), pnlDraw.Width, pnlDraw.Height, max, drawPanel, this);
//make sure old memory is reclaimed (otherwise a leak can occur)
GC.Collect();
GC.WaitForPendingFinalizers();
//start the sorting thread
my_drawable.start();
}
//stops old sorting threads.
private void clearOldSorts()
{
//stop all threads
Iterator <DrawnSort> it = my_sorts.values().iterator();
while (it.hasNext())
{
DrawnSort ds = it.next();
//if the old thread is still not stopped
if (ds.active())
{
ds.stop();
Cursor = Cursors.WaitCursor;
//loop while the thread is active
while (ds.active())
{
Application.DoEvents();
Thread.Sleep(100);
}
Cursor = Cursors.Default;
}
}
//clear old entries
my_sorts.clear();
}
/// <summary>
/// Updates the progress bars on the window to display the finished percentage
/// for each sort.
/// </summary>
public void updatePercentage()
{
//loop through all sorts
for (int i = 0; i < my_sort_types.Length; i++)
{
//find the sort and update the sort's progress bar
DSString sort = new DSString(my_sort_types[i]);
DrawnSort ds = my_sorts.get(sort);
ProgressBar bar = my_progress_bars.get(sort);
bar.Value = (int)(100.0 * ds.percentage_complete);
//if the sort is finished and has not been marked so
if (ds.time_taken != 0 && !checkCompletedContains(sort))
{
//record the finish time
my_completed.add(new FinishTime(sort, new DSLong(ds.time_taken)));
}
}
//check for whether all labels are correct
int count = 0;
long last = 0;
FinishTime[] times = my_completed.toArray();
Sorting <FinishTime> .Sort(Sorts.InsertionSort, ref times); //sort the finish times
for (int i = 0; i < times.Length; i++)
{
FinishTime sort_done = times[i];
//this only advances count if a different finish time was found (it recognizes the ties)
if (last != sort_done.finish_time.value)
{
count++;
}
last = sort_done.finish_time.value;
my_sort_labels.get(sort_done.sort).Text = sort_done.sort.value + " (" + count + ")";
}
//check for all sorts finished
if (my_completed.size() == NUMBER_OF_SORTS)
{
Application.DoEvents();
btnStartTheRace.Enabled = true;
tmrUpdate.Enabled = false;
return;
}
Application.DoEvents();
}
