private void updateList()
{
lvLessons.Items.Clear();
for (int i = 0; i < FileLesson.Index; i++)
{
string[] lines = FileLesson.getLine(i);
ListViewItem item = new ListViewItem(lines);
if (i % 2 == 0)
{
item.BackColor = Color.FromArgb(100, 166, 186);
}
lvLessons.Items.Add(item);
}
}
private void btnSave_Click(object sender, EventArgs e)
{
btnCalculate_Click(sender, e);
lessonForm lessonForm = new lessonForm();
lessonForm.txtGrade.Text = lblGrade.Text;
lessonForm.txtLetter.Text = lblLetterGrade.Text;
if (lessonForm.ShowDialog() == DialogResult.OK)
{
string name = lessonForm.txtLessonName.Text.Trim();
string letter = getLetterGrade(averageGrade);
FileLesson.writeLesson(name, averageGrade, letter);
}
}
private void toolClearAll_Click(object sender, EventArgs e)
{
if (FileLesson.Index == 0)
{
return;
}
if (MessageBox.Show("Are you sure you want to remove all lessons?", "Warning", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning) == DialogResult.Yes)
{
foreach (ListViewItem item in lvLessons.Items)
{
FileLesson.removeLesson(item.Index);
lvLessons.Items.Remove(item);
}
}
}
private void toolAddLesson_Click(object sender, EventArgs e)
{
lessonForm lessonForm = new lessonForm();
lessonForm.txtGrade.Enabled = true;
lessonForm.txtGrade.TabStop = true;
lessonForm.txtGrade.ReadOnly = false;
if (lessonForm.ShowDialog() == DialogResult.OK)
{
string name = lessonForm.txtLessonName.Text.Trim();
double grade = double.Parse(lessonForm.txtGrade.Text.Trim());
string letter = lessonForm.txtLetter.Text;
FileLesson.writeLesson(name, grade, letter);
}
updateList();
}
private void toolDeleteLesson_Click(object sender, EventArgs e)
{
int selectedCount = lvLessons.SelectedIndices.Count;
if (selectedCount <= 0)
{
return;
}
if (MessageBox.Show("Are you sure you want to remove selected (" + selectedCount + ") lessons?", "Warning", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning) == DialogResult.Yes)
{
foreach (ListViewItem item in lvLessons.SelectedItems)
{
FileLesson.removeLesson(item.Index);
lvLessons.Items.Remove(item);
}
}
}
private void mainForm_Load(object sender, EventArgs e)
{
#region Dynamic RoundButtons added to panels
btnAddRow.Click += BtnAddRow_Click;
panelAddRow.Controls.Add(btnAddRow);
btnRemoveRow.Click += BtnRemoveRow_Click;
panelRemoveRow.Controls.Add(btnRemoveRow);
btnResetValue.Click += BtnResetValues_Click;
panelResetValue.Controls.Add(btnResetValue);
#endregion
#region Tab Index
tabIndex = nmrWeight2.TabIndex;
panelAddRow.TabIndex = 1 + tabIndex;
panelRemoveRow.TabIndex = 2 + tabIndex;
panelResetValue.TabIndex = 3 + tabIndex;
btnCalculate.TabIndex = 4 + tabIndex;
btnSave.TabIndex = 5 + tabIndex;
#endregion
FileLesson.checkFiles();
}
