private void dgview_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
if (GlobalData.usedSubjects() && (GlobalData.Bind.Current is Subject))
{
var editor = new SubjectEditor(GlobalData.Bind.Current as Subject);
editor.ShowDialog();
if (editor.DialogResult == DialogResult.Yes)
{
GlobalData.useSubjects();
}
}
else if (GlobalData.usedStudents() && (GlobalData.Bind.Current is Student))
{
var editor = new StudentEditor(GlobalData.Bind.Current as Student);
editor.ShowDialog();
if (editor.DialogResult == DialogResult.Yes)
{
GlobalData.useStudents();
}
}
}
private void btn_add_Click(object sender, EventArgs e)
{
if (GlobalData.usedSubjects())
{
var editor = new SubjectEditor(null);
editor.ShowDialog();
if (editor.DialogResult == DialogResult.Yes)
{
GlobalData.useSubjects();
}
}
else if (GlobalData.usedStudents())
{
var editor = new StudentEditor(null);
editor.ShowDialog();
if (editor.DialogResult == DialogResult.Yes)
{
GlobalData.useStudents();
}
}
}
private void btn_delete_Click(object sender, EventArgs e)
{
if (GlobalData.usedSubjects())
{
Subject subject = GlobalData.Bind.Current as Subject;
IEnumerable <Student> studentsWithSubject = GlobalData.Students.Where(stud => stud.Subjects.Contains(subject));
studentsWithSubject.ToList().ForEach(stud => stud.Subjects.Remove(subject));
GlobalData.Bind.RemoveCurrent();
GlobalData.refreshData();
}
else if (GlobalData.usedStudents())
{
Student student = GlobalData.Bind.Current as Student;
IEnumerable <Subject> subjectsWithStudent = GlobalData.Subjects.Where(subj => subj.Students.Contains(student));
subjectsWithStudent.ToList().ForEach(subj => subj.Students.Remove(student));
GlobalData.Bind.RemoveCurrent();
GlobalData.refreshData();
}
}