private void BtnStartSorting_Click(object sender, EventArgs e)
{
if (sorting)
{
return;
}
// SORT NAME
sortName = cb_Sortings.SelectedItem as string;
if (sortName == null)
{
ShowMessageBox("Select sorting name!");
return;
}
// NUMBERS COUNT
int numbersCount = ReadNumbersCount();
if (numbersCount == -1)
{
return;
}
// MAX RANDOM
int maxRandom = ReadMaxRandom();
if (maxRandom == -1)
{
return;
}
Sorter.SetMaxRandom(maxRandom);
// SORT TYPE
sortType = ReadSortType();
// SORTING
sorting = true;
cts = new CancellationTokenSource();
Task.Run(() => RunSort(numbersCount, cts.Token));
}
void RunSort(int numbersCount, CancellationToken token)
{
Sorter sorter = null;
Stopwatch watch1 = null;
List <int> numbers = null;
try
{
Invoke(updater, new object[] { "time", 0L } as object);
Invoke(updater, new object[] { "sort_name", $"Name : {sortName}" } as object);
Invoke(updater, new object[] { "process", "Preparing" } as object);
Invoke(updater, new object[] { "numbers_count", $"Numbers count : {numbersCount}" } as object);
Invoke(updater, new object[] { "array_size", $"Array size : {Sorter.FileSize(numbersCount * sizeof(int))}" } as object);
Invoke(updater, new object[] { "steps_passed", "" } as object);
Invoke(updater, new object[] { "need_steps", "" } as object);
sorter = new Sorter(this);
numbers = sorter.GenerateList(numbersCount, sortType);
if (token.IsCancellationRequested)
{
return;
}
timer.Start();
watch1 = new Stopwatch();
watch1.Start();
Invoke(updater, new object[] { "process", "Sorting" } as object);
switch (sortName)
{
case "Bubble sort":
sorter.BubbleSort(numbers, token);
break;
case "Odd-Even sort":
sorter.OddEvenSort(numbers, token);
break;
case "Enumeration sort":
numbers = sorter.EnumerationSort(numbers, token);
break;
case "Parallel Odd-Even sort":
sorter.ParallelOddEvenSort(numbers, token);
break;
case "Parallel Enumeration sort":
numbers = sorter.ParallelEnumerationSort(numbers, token);
break;
case "Bucket sort":
numbers = sorter.BucketSort(numbers, token);
break;
case "Parallel Bucket sort":
numbers = sorter.ParallelBucketSort(numbers, token);
break;
case "Parallel Shell sort":
sorter.ParallelShellSort(numbers, token);
break;
case "Merge sort":
cannotCancel = true;
numbers = sorter.MergeSort(numbers, token);
break;
case "Quick sort":
cannotCancel = true;
numbers = sorter.QuickSort(numbers, token);
break;
case "Parallel Quick sort":
cannotCancel = true;
numbers = sorter.ParallelQuickSort(numbers, token);
break;
case "Bitonic sort":
sorter.BitonicSort(numbers, token);
break;
case "Parallel Bitonic sort":
sorter.ParallelBitonicSort(numbers, token);
break;
default:
break;
}
}
catch (BitonicSortException e)
{
ShowMessageBox($"Error:\n{e.Message}");
failed = true;
}
catch (Exception e)
{
ShowMessageBox($"Error:\n{e.Message}");
failed = true;
}
finally
{
cannotCancel = false;
if (watch1 != null)
{
watch1.Stop();
Invoke(updater, new object[] { "time", watch1.ElapsedMilliseconds } as object);
}
timer.Stop();
timeWasTicked = 0;
//sorter.DisposeList(ref numbers);
if (!token.IsCancellationRequested)
{
if (!failed)
{
Invoke(updater, new object[] { "process", "Finished" } as object);
}
else
{
Invoke(updater, new object[] { "process", "Failed" } as object);
failed = false;
}
}
else
{
Invoke(updater, new object[] { "process", "Cancelled" } as object);
Invoke(updater, new object[] { "btn_stop_enable" } as object);
}
sorting = false;
}
}