private void CalcMetrics(RadioGroupTemplate template)
{
_itemsRect = this.LocalRect;
if (HasFrame)
{
_itemsRect = _itemsRect.Inflate(-1, -1);
}
int delta = _itemsRect.Size.Height - _items.Count;
_numberItemsDisplayed = _items.Count;
if (delta < 0)
{
_numberItemsDisplayed += delta;
}
if (RadioOnLeft)
{
_radioRect = new Rectangle(_itemsRect.TopLeft, new Size(1, 1));
_labelRect = new Rectangle(_radioRect.TopRight.Shift(1, 0),
_itemsRect.TopRight.Shift(-1, 0));
}
else
{
_radioRect = new Rectangle(_itemsRect.TopRight.Shift(-1, 0), new Size(1, 1));
_labelRect = new Rectangle(_itemsRect.TopLeft,
_radioRect.BottomLeft.Shift(-2, -1));
}
}
/// <summary>
/// Construct a RadioGroup from the specified templated.
/// </summary>
/// <param name="template"></param>
public RadioGroup(RadioGroupTemplate template)
: base(template)
{
HasFrame = template.HasFrameBorder;
if (Size.Width < 3 || Size.Height < 3)
{
HasFrame = false;
}
HilightWhenMouseOver = false;
HilightRadioMouseOver = template.HilightRadioMouseOver;
CanHaveKeyboardFocus = template.CanHaveKeyboardFocus;
LabelAlignment = template.LabelAlignment;
_items = template.Items;
_mouseOverIndex = -1;
RadioOnLeft = template.RadioOnLeft;
Title = template.Title;
CurrentSelected = template.InitialSelectedIndex;
if (CurrentSelected < 0 || CurrentSelected >= _items.Count)
{
CurrentSelected = 0;
}
CalcMetrics(template);
}
