public static void Rank(RatingScope scope, IRatingTarget targetScore, RatingMethod method) { //int t1 = Environment.TickCount; List <Student> students = scope.GetContainTargetList(targetScore); //按成績高低排序。 students.Sort(new ScoreComparer(targetScore)); //實際有包含成績的人數。 int actualBase = students.Count; //所有被排名的人數。 int baseCount = scope.Count; //名次決定演算法。 IRatingAlgorithm placeDecision = GetAlgorithm(method); foreach (Student eachStudent in students) { //決定名次 int place = placeDecision.NextPlace(targetScore.GetScore(eachStudent)); //寫入名次資訊。 targetScore.SetPlace(eachStudent, new ResultPlace(scope, targetScore, baseCount, actualBase, place)); } //string msg = "排名時間:{0} 範圍名稱:{1} 成績名稱:{2}"; //Console.WriteLine(msg, Environment.TickCount - t1, scope.Name, targetScore.Name); }
/// <summary> /// 排名結果。 /// </summary> /// <param name="ratingBase">排名的總人數。</param> /// <param name="actualBase">實際有成績,而排名的人數。</param> /// <param name="place">名次。</param> public ResultPlace(RatingScope scope, IRatingTarget target, int ratingBase, int actualBase, int place) { _scope = scope; _target = target; _rating_base = ratingBase; _actual_base = actualBase; _place = place; }
private void lvTargets_Click(object sender, EventArgs e) { if (lvScopes.FocusedItem == null) { return; } if (lvTargets.FocusedItem == null) { return; } HighlighSelected(sender as ListView); IRatingTarget target = lvTargets.FocusedItem.Tag as IRatingTarget; RatingScope scope = lvScopes.FocusedItem.Tag as RatingScope; lvPlace.SuspendLayout(); lvPlace.Items.Clear(); List <ListViewItem> items = new List <ListViewItem>(); foreach (Student eachStu in scope) { ListViewItem item = new ListViewItem(); item.Text = eachStu.ClassName; item.SubItems.Add(eachStu.SeatNumber); item.SubItems.Add(eachStu.Name); decimal score = target.GetScore(eachStu); if (score == decimal.MinValue) { item.SubItems.Add("無"); } else { item.SubItems.Add(score.ToString()); } ResultPlace place = target.GetPlace(eachStu, scope.ScopeType); if (place == null) { item.SubItems.Add("無"); } else { item.SubItems.Add(place.Place.ToString()); } item.Tag = eachStu; items.Add(item); } lvPlace.Items.AddRange(items.ToArray()); lvPlace.ResumeLayout(); }
public List <Student> GetContainTargetList(IRatingTarget target) { List <Student> stus = new List <Student>(); foreach (Student each in _students.Values) { if (target.ContainsScore(each)) { stus.Add(each); } } return(stus); }
public ScoreComparer(IRatingTarget target) { _target = target; }