private void OnDeleteClass(object sender, EventArgs e)
{
if (MessageBox.Show("Are you sure? This will also delete the categories inside this class.", "Delete class", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
if (ClassList.Count == 1)
{
ClearTotals();
ClearGrade();
groupBoxTotals.Text = "Class Grade";
groupBoxGrade.Text = "Category Totals (%)";
dataGridView.Enabled = false;
dataGridView.Rows.Clear();
comboBoxCategory.Enabled = false;
comboBoxClass.Items.Remove(CurrentClass.Name);
comboBoxCategory.Items.Clear();
comboBoxCategory.Items.Add("Create new category");
ClassList.Remove(CurrentClass);
editClassToolStripMenuItem.Enabled = false;
deleteClassToolStripMenuItem.Enabled = false;
addCategoryToolStripMenu.Enabled = false;
editCategoryToolStripMenuItem.Enabled = false;
deleteCategoryToolStripMenuItem.Enabled = false;
saveAsToolStripMenuItem.Enabled = false;
saveToolStripMenuItem.Enabled = false;
}
else
{
comboBoxClass.Items.Remove(CurrentClass.Name);
if (CurrentClassIndex != 0)
{
--CurrentClassIndex;
}
comboBoxClass.SelectedIndex = CurrentClassIndex + 1;
if (CurrentClass.CategoryList.Count != 0)
{
UpdateTotals();
UpdateGrade();
LoadData();
}
else
{
ClearTotals();
ClearGrade();
}
groupBoxGrade.Text = CurrentClass.Name + " Grade";
groupBoxTotals.Text = "Category Totals (%)";
ClassList.RemoveAt(CurrentClassIndex + 1);
dataGridView.Rows.Clear();
dataGridView.Enabled = false;
comboBoxCategory.Items.Clear();
comboBoxCategory.Items.Add("Create new category");
foreach (Category c in CurrentClass.CategoryList)
{
comboBoxCategory.Items.Add(c.Name);
}
}
}
}