public GroupPerformanceForm(Root root)
{
InitializeComponent();
_root = root;
// селектор оценок
foreach (var item in typeof(Grade).GetEnumValues())
{
var value = new EnumCover()
{
Item = (Grade)item
};
cbGrade.Items.Add(value);
}
// селектор предметов
foreach (var item in _root.Matters)
{
cbMatters.Items.Add(item);
}
if (cbMatters.Items.Count > 0)
{
cbMatters.SelectedItem = _matter = (Matter)cbMatters.Items[0];
}
// селектор групп, добавляем "непустые" группы
foreach (var item in _root.StudyGroups)
{
if (_root.Students.Any(x => x.IdStudyGroup == item.IdStudyGroup))
{
cbStudyGroups.Items.Add(item);
}
}
if (cbStudyGroups.Items.Count > 0)
{
cbStudyGroups.SelectedItem = _group = (StudyGroup)cbStudyGroups.Items[0];
}
// селектор семестров
_semester = root.Semesters.FirstOrDefault(x => x.Number == 1);
foreach (var item in _root.Semesters)
{
cbSemesters.Items.Add(item);
}
cbSemesters.SelectedItem = _semester;
panel1.Enabled = _semester != null;
cbMatters_SelectionChangeCommitted(null, new EventArgs());
}
private void lvPerformance_MouseMove(object sender, MouseEventArgs e)
{
var item = lvPerformance.GetItemAt(e.Location.X, e.Location.Y);
if (item == null)
{
cbGrade.Visible = false;
lvPerformance.FocusedItem = null;
return;
}
var rect = lvPerformance.GetItemRect(item.Index, ItemBoundsPortion.ItemOnly);
rect.Offset(lvPerformance.Columns[0].Width + lvPerformance.Columns[1].Width + 2, 0);
rect.Width = lvPerformance.Columns[2].Width;
if (rect.Contains(e.Location))
{
cbGrade.Location = rect.Location;
cbGrade.Width = rect.Width;
cbGrade.Visible = true;
var performance = (Performance)item.Tag;
lvPerformance.FocusedItem = item;
cbGrade.Tag = performance;
var cover = new EnumCover {
Item = performance.Grade
};
foreach (var m in cbGrade.Items.Cast <EnumCover>())
{
if (m.Item.ToString() == cover.Item.ToString())
{
cbGrade.SelectedItem = m;
}
}
}
else
{
cbGrade.Visible = false;
}
}
