private void ButtonDeleteClassSubject_Click(object sender, EventArgs e)
{
if (TableClasses.SelectedRows.Count != 0)
{
if (TableSubjects.SelectedRows.Count != 0)
{
if (MessageBox.Show("Вы уверены, что хотите удалить выбранный предмет из этого класса?", "Удаление выбраного предмета из класса", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.No)
{
}
else
{
DBControl.Delete(Class_Subject.GetObj(Class.Classes[(Guid)TableClasses.SelectedCells[0].Value], Subject.Subjects[(Guid)TableSubjects.SelectedCells[0].Value]));
TableSubjects.Rows.Remove(TableSubjects.SelectedRows[0]);
TableSubjects.ClearSelection();
}
}
else
{
MessageBox.Show("Для удаления предмета, выбирете его из таблицы", "Не выбран предмет для удаления", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Для удаления предмета, выбирете класс из таблицы", "Не выбран класс для удаления предмета", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ButtonAddSubjectTeacher_Click(object sender, EventArgs e)
{
if (TableClasses.SelectedRows.Count != 0)
{
if (TableSubjects.SelectedRows.Count != 0)
{
FormList formlist = new FormList(Class_Subject.GetObj(Class.Classes[(Guid)TableClasses.SelectedCells[0].Value], Subject.Subjects[(Guid)TableSubjects.SelectedCells[0].Value]));
if (formlist.ShowDialog() == DialogResult.OK)
{
if (formlist.Table.SelectedRows.Count == 0)
{
MessageBox.Show("Для добавления предмета, выбирете его", "Вы не выбрали предмет", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
foreach (DataGridViewRow row in formlist.Table.SelectedRows)
{
DBControl.Add(Class_Subject.GetObj(Class.Classes[(Guid)TableClasses.SelectedCells[0].Value], Subject.Subjects[(Guid)TableSubjects.SelectedCells[0].Value]), Teacher.Teachers[(Guid)row.Cells[0].Value]);
TableTeachers.Rows.Add(row.Cells[0].Value, row.Cells[1].Value, Teacher.Teachers[(Guid)row.Cells[0].Value].Login, Teacher.Teachers[(Guid)row.Cells[0].Value].GetPassword(row.Cells[0].Value.ToString()));
}
TableTeachers.ClearSelection();
}
}
formlist.Close();
}
else
{
MessageBox.Show("Для добавления учителя предмету, выбирете предмет из таблицы", "Не выбран предмет для добавления учителя предмету", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Для добавления учителя предмету, выбирете класс из таблицы", "Не выбран класс для добавления учителя предмету", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public FormList(Class_Subject class_subject)
{
InitializeComponent();
rect = new Rectangle(0, 0, Size.Width - 1, Size.Height - 1);
gr = CreateGraphics();
Class_subject = class_subject;
foreach (var tchr in Teacher.Teachers.Values)
{
Table.Rows.Add(tchr.Id, tchr.Name);
}
List <DataGridViewRow> extraRows = new List <DataGridViewRow>();
foreach (DataGridViewRow row in Table.Rows)
{
foreach (var tchr in Class_subject.Teachers)
{
if ((Guid)row.Cells[0].Value == tchr.Id)
{
extraRows.Add(row);
}
}
}
foreach (var rw in extraRows)
{
Table.Rows.Remove(rw);
}
ColumnName.HeaderText = "Ф.И.О.";
LabelChoose.Text += string.Format("учителя предмета \"{0}\" в классе {1}", Class_subject.Subject.Name, Class_subject.Class.Name);
}
public static void Add(Class_Subject class_subject, Teacher teacher) //Add Class_Subject_Teacher
{
Class_Subject_Teacher NewClass_Subject_Teacher = new Class_Subject_Teacher()
{
Class_Subject = class_subject, Teacher = teacher
};
Class_Subject_Teacher.Classes_Subjects_Teachers.Add(NewClass_Subject_Teacher.Id, NewClass_Subject_Teacher);
command.CommandText = string.Format("INSERT INTO Classes_Subjects_Teachers VALUES ('{0}', '{1}', '{2}')", NewClass_Subject_Teacher.Id, NewClass_Subject_Teacher.Class_Subject.Id, NewClass_Subject_Teacher.Teacher.Id);
command.ExecuteNonQuery();
}
public static void Add(Class _class, Subject subject) //Add Class_Subject
{
Class_Subject NewClass_Subject = new Class_Subject()
{
Class = _class, Subject = subject
};
Class_Subject.Classes_Subjects.Add(NewClass_Subject.Id, NewClass_Subject);
command.CommandText = string.Format("INSERT INTO Classes_Subjects VALUES ('{0}', '{1}', '{2}')", NewClass_Subject.Id, NewClass_Subject.Class.Id, NewClass_Subject.Subject.Id);
command.ExecuteNonQuery();
}
private void TableSubjects_SelectionChanged(object sender, EventArgs e)
{
TableTeachers.Rows.Clear();
if (TableSubjects.SelectedRows.Count != 0 && TableClasses.SelectedRows.Count != 0)
{
foreach (var tchr in Class_Subject.GetObj(Class.Classes[(Guid)TableClasses.SelectedCells[0].Value], Subject.Subjects[(Guid)TableSubjects.SelectedCells[0].Value]).Teachers)
{
TableTeachers.Rows.Add(tchr.Id, tchr.Name, tchr.Login, tchr.GetPassword(tchr.Id.ToString()));
}
TableTeachers.ClearSelection();
}
}
public static Class_Subject GetObj(Class clss, Subject sbjct)
{
Class_Subject obj = null;
foreach (var clss_sbjct in Classes_Subjects.Values)
{
if (clss_sbjct.Class.Id == clss.Id && clss_sbjct.Subject.Id == sbjct.Id)
{
obj = clss_sbjct;
}
}
return(obj);
}
public static void Delete(Class_Subject DeletedClass_Subject) //Delete Class_Subject
{
command.CommandText = string.Format("DELETE FROM Classes_Subjects WHERE Id = '{0}'", DeletedClass_Subject.Id);
command.ExecuteNonQuery();
foreach (var clss_sbjct_tchr in Class_Subject_Teacher.Classes_Subjects_Teachers.Values)
{
if (clss_sbjct_tchr.Class_Subject.Id == DeletedClass_Subject.Id)
{
Delete(clss_sbjct_tchr);
}
}
Class_Subject.Classes_Subjects.Remove(DeletedClass_Subject.Id);
}
public static Class_Subject_Teacher GetObj(Class_Subject clss_sbjct, Teacher tchr)
{
Class_Subject_Teacher obj = null;
foreach (var clss_sbjct_tchr in Classes_Subjects_Teachers.Values)
{
if (clss_sbjct_tchr.Class_Subject.Id == clss_sbjct.Id && clss_sbjct_tchr.Teacher.Id == tchr.Id)
{
obj = clss_sbjct_tchr;
}
}
return(obj);
}
public static void Load()
{
//Load Cities
command.CommandText = "SELECT * FROM Cities";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
City obj = new City(reader["Name"].ToString(), (Guid)reader["Id"]);
City.Cities.Add(obj.Id, obj);
}
}
reader.Close();
//Load Schools
command.CommandText = "SELECT * FROM Schools";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
School obj = new School(reader["Name"].ToString(), (Guid)reader["Id"])
{
City = City.Cities[(Guid)reader["City_id"]]
};
School.Schools.Add(obj.Id, obj);
}
}
reader.Close();
//Load Managers
command.CommandText = "SELECT * FROM Managers";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Manager obj = new Manager(reader["FullName"].ToString(), reader["Login"].ToString(), reader["Password"].ToString(), (Guid)reader["Id"])
{
School = School.Schools[(Guid)reader["School_id"]]
};
Manager.Managers.Add(obj.Id, obj);
}
}
reader.Close();
//Load Classes
command.CommandText = "SELECT * FROM Classes";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Class obj = new Class(reader["Name"].ToString(), (Guid)reader["Id"])
{
School = School.Schools[(Guid)reader["School_id"]]
};
Class.Classes.Add(obj.Id, obj);
}
}
reader.Close();
//Load Students
command.CommandText = "SELECT * FROM Students";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Student obj = new Student(reader["FullName"].ToString(), reader["Login"].ToString(), reader["Password"].ToString(), (Guid)reader["Id"])
{
Class = Class.Classes[(Guid)reader["Class_id"]]
};
Student.Students.Add(obj.Id, obj);
}
}
reader.Close();
//Load Subjects
command.CommandText = "SELECT * FROM Subjects";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Subject obj = new Subject(reader["Name"].ToString(), (Guid)reader["Id"]);
Subject.Subjects.Add(obj.Id, obj);
}
}
reader.Close();
//Load Marks
command.CommandText = "SELECT * FROM Marks";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Mark obj = new Mark(Convert.ToInt32(reader["Value"]), reader["Name"].ToString(), (Guid)reader["Id"])
{
Student = Student.Students[(Guid)reader["Student_id"]], Subject = Subject.Subjects[(Guid)reader["Subject_id"]]
};
Mark.Marks.Add(obj.Id, obj);
}
}
reader.Close();
//Load Classes_Subjects
command.CommandText = "SELECT * FROM Classes_Subjects";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Class_Subject obj = new Class_Subject((Guid)reader["Id"])
{
Class = Class.Classes[(Guid)reader["Class_id"]], Subject = Subject.Subjects[(Guid)reader["Subject_id"]]
};
Class_Subject.Classes_Subjects.Add(obj.Id, obj);
}
}
reader.Close();
//Load Teachers
command.CommandText = "SELECT * FROM Teachers";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Teacher obj = new Teacher(reader["FullName"].ToString(), reader["Login"].ToString(), reader["Password"].ToString(), (Guid)reader["Id"])
{
School = School.Schools[(Guid)reader["School_id"]]
};
Teacher.Teachers.Add(obj.Id, obj);
}
}
reader.Close();
//Load Classes_Subjects_Teachers
command.CommandText = "SELECT * FROM Classes_Subjects_Teachers";
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Class_Subject_Teacher obj = new Class_Subject_Teacher((Guid)reader["Id"])
{
Class_Subject = Class_Subject.Classes_Subjects[(Guid)reader["Class_Subject_id"]], Teacher = Teacher.Teachers[(Guid)reader["Teacher_id"]]
};
Class_Subject_Teacher.Classes_Subjects_Teachers.Add(obj.Id, obj);
}
}
reader.Close();
}