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BizHawk
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Added Mergesort for Playmovie column sorting for when the number of elements is over 15. ListView currently does not update when the code uses the mergesort portion and not just the insertion sort portion.

This commit is contained in:
offspring131313 2011-05-24 02:12:30 +00:00
parent d76fd77cfc
commit 7c92c36077
1 changed files with 41 additions and 1 deletions
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42
BizHawk.MultiClient/PlayMovie.cs
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@ -202,17 +202,57 @@ namespace BizHawk.MultiClient
string columnName = MovieView.Columns[columnToOrder].Text;
if (sortedCol.CompareTo(columnName) != 0)
sortReverse = false;
InsertionSort(MovieList, columnName);
MergeSort(MovieList, 0, MovieList.Count, columnName);
sortedCol = columnName;
sortReverse = !(sortReverse);
MovieView.Refresh();
}
private void MergeSort(List<Movie> movieList, int low, int high, string parameter)
{
int sort = 1;
if (sortReverse)
sort = -1;
if (high - low < 15)
InsertionSort(movieList, parameter);
else
{
int mid = Convert.ToInt32(((high - low) / 2) + low);
MergeSort(movieList, low, mid, parameter);
MergeSort(movieList, mid + 1, high, parameter);
int trackLow = low;
int trackHigh = mid+1;
List<Movie> sortedList = new List<Movie>();
for (int i = low; i <= high ; i++)
{
if ((trackHigh > high) || (movieList[trackLow].CompareTo(movieList[trackHigh], parameter) == sort))
{
sortedList.Add(movieList[trackLow]);
trackLow++;
}
else
{
sortedList.Add(movieList[trackHigh]);
trackHigh++;
}
}
for (int i = low; i <= high; i++)
{
movieList[i] = sortedList[i];
}
}
}
private void InsertionSort(List<Movie> smallList, string parameter)
{
int sort = 1;
if (sortReverse)
sort = -1;
for (int i = 0; i < smallList.Count; i++)
{
int smallest = i;