/// <summary>
/// Group the specified elements.
/// </summary>
protected override void Group()
{
ElementsGroup.Clear();
if (Elements.Count == 0)
{
return;
}
if (Layout.IsHorizontal)
{
GroupHorizontal(ElementsGroup);
}
else
{
GroupVertical(ElementsGroup);
}
var rows = ElementsGroup.Count;
var columns = EasyLayoutUtilites.MaxCount(ElementsGroup);
if ((Layout.CompactConstraint == CompactConstraints.MaxRowCount) && (rows > Layout.ConstraintCount))
{
ElementsGroup.Clear();
GroupByRows();
}
else if ((Layout.CompactConstraint == CompactConstraints.MaxColumnCount) && (columns > Layout.ConstraintCount))
{
ElementsGroup.Clear();
GroupByColumns();
}
if (!Layout.TopToBottom)
{
ElementsGroup.Reverse();
}
if (Layout.RightToLeft)
{
ElementsGroup.ForEach(ReverseList);
}
}
/// <summary>
/// Shrink elements on overflow.
/// </summary>
protected void ShrinkOnOverflow()
{
if (ElementsGroup.Count == 0)
{
return;
}
var size = Layout.InternalSize;
var rows = ElementsGroup.Count - 1;
var columns = EasyLayoutUtilites.MaxCount(ElementsGroup) - 1;
var size_without_spacing = new Vector2(size.x - (Layout.Spacing.x * columns), size.y - (Layout.Spacing.y * rows));
var ui_size_without_spacing = new Vector2(Layout.UISize.x - (Layout.Spacing.x * columns), Layout.UISize.y - (Layout.Spacing.y * rows));
var scale = GetShrinkScale(size_without_spacing, ui_size_without_spacing);
foreach (var row in ElementsGroup)
{
foreach (var elem in row)
{
elem.NewWidth = elem.Width * scale;
elem.NewHeight = elem.Height * scale;
}
}
}
