public EnumRadioButtonGroup(ControlBase parent) : base(parent)
{
if (!typeof(T).IsEnum)
{
throw new Exception("T must be an enumerated type!");
}
this.Text = typeof(T).Name;
for (int i = 0; i < Enum.GetValues(typeof(T)).Length; i++)
{
string name = Enum.GetNames(typeof(T))[i];
LabeledRadioButton lrb = this.AddOption(name);
lrb.UserData = Enum.GetValues(typeof(T)).GetValue(i);
}
}
/// <summary>
/// Adds a new option.
/// </summary>
/// <param name="text">Option text.</param>
/// <param name="optionName">Internal name.</param>
/// <returns>Newly created control.</returns>
public virtual LabeledRadioButton AddOption(string text, string optionName)
{
LabeledRadioButton lrb = new LabeledRadioButton(this);
lrb.Name = optionName;
lrb.Text = text;
lrb.RadioButton.Checked += OnRadioClicked;
lrb.Dock = Pos.Top;
lrb.Margin = new Margin(0, 0, 0, 1); // 1 bottom
lrb.KeyboardInputEnabled = false; // todo: true?
lrb.IsTabable = true;
Invalidate();
return(lrb);
}
/// <summary>
/// Handler for the option change.
/// </summary>
/// <param name="fromPanel">Event source.</param>
protected virtual void OnRadioClicked(ControlBase fromPanel, EventArgs args)
{
RadioButton @checked = fromPanel as RadioButton;
foreach (LabeledRadioButton rb in Children.OfType <LabeledRadioButton>()) // todo: optimize
{
if (rb.RadioButton == @checked)
{
m_Selected = rb;
}
else
{
rb.RadioButton.IsChecked = false;
}
}
OnChanged(m_Selected);
}
