private void New_Click(object sender, RoutedEventArgs e)
{
NewLessonWindowInstance = NewLessonWindowInstance ?? new NewLessonWindow();
NewLessonWindowInstance.Owner = this;
NewLessonWindowInstance.Add.Click -= NewLessonWindowInstance.Done_Click;
NewLessonWindowInstance.Add.Click += NewLessonWindowInstance.Add_Click;
NewLessonWindowInstance.Show();
}
private void ContextMenuEditButton_Click(object sender, RoutedEventArgs e)
{
if (LessonsList.SelectedItem != null & LessonsList.SelectedItems.Count == 1)
{
NewLessonWindowInstance.Add.Click -= NewLessonWindowInstance.Add_Click;
NewLessonWindowInstance.Add.Click += NewLessonWindowInstance.Done_Click;
NewLessonWindowInstance.Add.Content = "DONE";
var currentElement = LessonsList.SelectedItem as SchoolLesson;
NewLessonWindowInstance.NameTextBox.Text = currentElement.Name;
NewLessonWindowInstance.SubjectComboBox.SelectedItem = currentElement.Subject;
NewLessonWindowInstance.AudienceComboBox.SelectedItem = currentElement.Audience;
NewLessonWindowInstance.TeacherComboBox.SelectedItem = currentElement.Teacher;
NewLessonWindowInstance.GroupComboBox.SelectedItem = currentElement.Group;
NewLessonWindowInstance.Show();
}
else
{
MessageBox.Show("Choose a lesson");
}
}