/// <summary>
/// 在指定的日期添加课程
/// </summary>
/// <param name="week">在星期几添加</param>
/// <param name="ct">课程的描述。UUID默认由此函数生成。</param>
/// <param name="genUUID">是否由此函数生成UUID。默认为True.</param>
public static void AddClass(int week, ClassTime ct, bool genUUID = true)
{
if (genUUID)
{
ct.UUID = System.Guid.NewGuid().ToString();
}
string dataFilePath = Path.Combine(DATA_PATH, CLASSES_PREFIX + week.ToString() + ".config");
if (!File.Exists(dataFilePath))
{
File.WriteAllText(dataFilePath, "");
}
var classes = GetClasses(week);
if (classes.Count >= 20)
{
throw new System.Exception("课程数量达到上限!");
}
foreach (var i in classes)
{
if ((i.BeginHour * 60 + i.BeginMinute <= ct.BeginHour * 60 + ct.BeginMinute &&
ct.BeginHour * 60 + ct.BeginMinute <= i.EndHour * 60 + i.EndMinute) ||
(i.BeginHour * 60 + i.BeginMinute <= ct.EndHour * 60 + ct.EndMinute &&
ct.EndHour * 60 + ct.EndMinute <= i.EndHour * 60 + i.EndMinute))
{
throw new System.Exception("课程冲突!");
}
}
File.WriteAllText(dataFilePath,
File.ReadAllText(dataFilePath) + ct.ToString() + '\n');
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
ClassTime ct = classes[position];
View view;
if (convertView == null)
{
view = LayoutInflater.From(con).Inflate(Resource.Layout.list_item_class, null);
}
else
{
view = convertView; //直接对convertView进行重用
}
ImageView classImg = view.FindViewById <ImageView>(Resource.Id.ClassImage);
TextView className = view.FindViewById <TextView>(Resource.Id.ClassName);
TextView classTime = view.FindViewById <TextView>(Resource.Id.ClassTime);
TextView classOrder = view.FindViewById <TextView>(Resource.Id.ClassOrderTextView);
classImg.SetImageResource(DataController.GetClassImage(ct.ClassName));
className.Text = ct.ClassName;
classOrder.Text = (position + 1).ToString();
classTime.Text = /* "第" + (position + 1).ToString() + "节\n" + */ FmtInt(ct.BeginHour) + ":" + FmtInt(ct.BeginMinute) + " - "
+ FmtInt(ct.EndHour) + ":" + FmtInt(ct.EndMinute);
//fill in your items
//holder.Title.Text = "new text here";
return(view);
}
public int CompareTo(object obj)
{
ClassTime o = (ClassTime)obj;
int lhs = BeginHour * 60 + BeginMinute;
int rhs = o.BeginHour * 60 + o.BeginMinute;
return(lhs.CompareTo(rhs));
}
/// <summary>
/// Only for testing.
/// </summary>
public static void GenerateTestData() // ONLY FOR TEST
{
Random r = new Random();
var colors = new string[] { "Chinese", "Math", "English", "Art", "Music", "PE", "Unknown" };
while (true)
{
try
{
DataController.AddSubject(System.Guid.NewGuid().ToString().Substring(0, 4), colors[r.Next(0, 7)]);
}
catch (Exception)
{
break;
}
}
var subjects = DataController.GetSubjects();
for (int i = 0; i < 7; ++i)
{
for (int j = 0; j < 20; ++j)
{
ClassTime ct = new ClassTime();
ct.BeginHour = 2 * j / 60;
ct.BeginMinute = 2 * j % 60;
ct.EndHour = (2 * j + 1) / 60;
ct.EndMinute = (2 * j + 1) % 60;
ct.ClassName = subjects[r.Next(0, subjects.Count)];
try
{
DataController.AddClass(i, ct);
}
catch (Exception)
{
break;
}
}
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
if (DataController.StartedActivity.ContainsKey(ACTIVITY_NAME) && DataController.StartedActivity[ACTIVITY_NAME])
{
this.Finish();
return;
}
DataController.StartedActivity[ACTIVITY_NAME] = true;
SetContentView(Resource.Layout.activity_create_class);
SupportActionBar.Hide();
week = Intent.GetIntExtra("Week", 0);
if (Intent.GetBooleanExtra("Edit", false))
{
begHour = Intent.GetIntExtra("CurBeginHour", 0);
begMinute = Intent.GetIntExtra("CurBeginMinute", 0);
endHour = Intent.GetIntExtra("CurEndHour", 0);
endMinute = Intent.GetIntExtra("CurEndMinute", 0);
chgUUID = Intent.GetStringExtra("CurUUID");
chgSubject = Intent.GetStringExtra("CurSubject");
FindViewById <TextView>(Resource.Id.BeginTimeText).Text = FmtInt(begHour) + " : " + FmtInt(begMinute);
FindViewById <TextView>(Resource.Id.EndTimeText).Text = FmtInt(endHour) + " : " + FmtInt(endMinute);
FindViewById <Button>(Resource.Id.CreateClassButton).Text = "修改";
FindViewById <TextView>(Resource.Id.AddClassTextView).Text = "修改课程";
}
FindViewById <TextView>(Resource.Id.SubjectNameText).Text = chgSubject;
string[] hours = new string[24], minutes = new string[60];
for (int i = 0; i != 60; ++i)
{
minutes[i] = FmtInt(i) + "分";
}
for (int i = 0; i != 24; ++i)
{
hours[i] = FmtInt(i) + "时";
}
FindViewById <TextView>(Resource.Id.SwitchBeginTimeButton).Click +=
(sender, e) =>
{
var intent = new Intent(this, typeof(PickTimeActivity));
intent.PutExtra("Title", "开始时间");
intent.PutExtra("Minutes", GetDisplayTime(begHour) * 60 + GetDisplayTime(begMinute));
StartActivityForResult(intent, 4);
};
FindViewById <TextView>(Resource.Id.SwitchEndTimeButton).Click +=
(sender, e) =>
{
var intent = new Intent(this, typeof(PickTimeActivity));
intent.PutExtra("Title", "结束时间");
intent.PutExtra("Minutes", GetDisplayTime(endHour) * 60 + GetDisplayTime(endMinute));
StartActivityForResult(intent, 5);
};
FindViewById <Button>(Resource.Id.SwitchSubjectButton).Click += (sender, e) =>
{
var intent = new Intent(this, typeof(EditSubjectActivity));
intent.PutExtra("Select", true);
StartActivityForResult(intent, 444); // 米4达
};
FindViewById <Button>(Resource.Id.CancelCreateClassButton).Click +=
(sender, e) =>
{
this.Finish();
};
FindViewById <Button>(Resource.Id.CreateClassButton).Click +=
(sender, e) =>
{
ClassTime ct = new ClassTime();
ct.ClassName = chgSubject;
if (ct.ClassName == "未选择")
{
Toast.MakeText(this, "请选择科目!", ToastLength.Short).Show();
return;
}
if (begHour == -1 || begMinute == -1)
{
Toast.MakeText(this, "请选择课程开始时间!", ToastLength.Short).Show();
return;
}
if (endHour == -1 || endMinute == -1)
{
Toast.MakeText(this, "请选择课程结束时间!", ToastLength.Short).Show();
return;
}
if (begHour * 60 + begMinute >= endHour * 60 + endMinute)
{
Toast.MakeText(this, "课程结束时间必须晚于课程开始时间!", ToastLength.Short).Show();
return;
}
if (Intent.GetBooleanExtra("Edit", false))
{
DataController.RemoveClass(week, chgUUID);
}
ct.BeginHour = begHour;
ct.BeginMinute = begMinute;
ct.EndHour = endHour;
ct.EndMinute = endMinute;
try
{
DataController.AddClass(week, ct);
}
catch (System.Exception ee)
{
Toast.MakeText(this, ee.Message, ToastLength.Long).Show();
return;
}
Toast.MakeText(this, "课程添加成功!", ToastLength.Short);
this.SetResult(Result.Ok);
this.Finish();
return;
};
// Create your application here
}
