public static StudentInfo PollInformation(StudentInfo info, bool isEditing = false)
{
AddStudentWindow win = new AddStudentWindow();
if (isEditing)
{
win.txtTitle.Text = "Edit Student";
}
win.iptName.Text = info.Name;
win.cboGrade.SelectedIndex = info.Grade;
win.iptEBookCode.Text = info.EBook != null ? info.EBook.Name : "";
if (info.EBook != null)
{
win.dteEBookRenewal.DisplayDate = info.EBook.ExpiresOn;
win.dteEBookRenewal.Text = info.EBook.ExpiresOn.ToShortDateString();
}
win.information = info;
win.ShowDialog();
return(win.information);
}
private void Edit_Click(object sender, RoutedEventArgs e)
{
Button clicked = (Button)e.Source;
List <UIElement> children = GetChildrenInRow(Grid.GetRow(clicked), gridStudents);
TextBlock nameBox = (TextBlock)children[0];
TextBlock gradeBox = (TextBlock)children[1];
TextBlock eBookBox = (TextBlock)children[2];
StudentInfo studentInfo = new StudentInfo()
{
Name = nameBox.Text,
Grade = !gradeBox.Text.Equals("K") ? int.Parse(gradeBox.Text) : 0,
EBook = (EBook)eBookBox.DataContext
};
info.Remove(studentInfo);
string name = studentInfo.Name;
string eBook = studentInfo.EBook?.Name;
studentInfo = AddStudentWindow.PollInformation(studentInfo);
if (studentInfo != null)
{
nameBox.Text = studentInfo.Name;
nameBox.DataContext = studentInfo;
gradeBox.Text = studentInfo.Grade != 0 ? studentInfo.Grade + "" : "K";
eBookBox.Text = studentInfo.EBook.Name;
eBookBox.DataContext = studentInfo.EBook;
info.Add(studentInfo);
Save();
if (!studentInfo.EBook.Name.Equals(eBook))
{
Print.AddAction(name, eBook, PrintAction.RemoveEBook, DateTime.Now);
Print.AddAction(studentInfo.Name, studentInfo.EBook.Name, PrintAction.GrantEBook, DateTime.Now);
}
}
else
{
Print.AddAction(name, eBook, PrintAction.RemoveEBook, DateTime.Now);
RowDefinition def = (RowDefinition)gradeBox.DataContext;
foreach (UIElement item in children)
{
gridStudents.Children.Remove(item);
}
gridStudents.RowDefinitions.Remove(def);
Save();
}
}
private void btnAddNew_Click(object sender, RoutedEventArgs e)
{
StudentInfo info = AddStudentWindow.PollInformation();
if (info != null && info.EBook != null)
{
CreateStudentElement(info);
}
scrStudents.ScrollToEnd();
}