public override void Arrange(IFigure parent)
{
var clientArea = _padding.GetClientArea(parent.Bounds);
var constraint = new SizeConstraint(clientArea.Size);
var itemTop = parent.Top + _padding.Top;
foreach (var child in parent.Children)
{
if (child.IsVisible)
{
var csize = child.PreferredSize;
child.Location = new Point(parent.Left + _padding.Left, itemTop);
if (_adjustItemWidth)
{
child.Width = clientArea.Width;
}
child.Height = csize.Height;
itemTop += child.Height + ItemSpace;
}
}
if (_extendLast && parent.Children.Count > 0)
{
/// 最後のchildを残りいっぱいの大きさにする
var lastItem = parent.Children.Last();
lastItem.Height = clientArea.Bottom - lastItem.Top;
}
}
public override void Arrange(IFigure parent)
{
var clientArea = _padding.GetClientArea(parent.Bounds);
var constraint = new SizeConstraint(clientArea.Size);
/// childrenを行に分割，各行とそのwidth，heightを保持
var lines = new List <Tuple <List <IFigure>, int, int> >();
{
List <IFigure> line = null;
var cWidth = 0;
var cHeight = 0;
foreach (var child in parent.Children)
{
if (child.IsVisible)
{
var cSize = Size.Empty;
if (_adjustChildrenSize)
{
child.Measure(constraint);
cSize = child.PreferredSize;
}
else
{
cSize = child.Size;
}
if (cWidth + cSize.Width + _hGap >= clientArea.Width)
{
lines.Add(Tuple.Create(line, cWidth, cHeight));
line = null;
cWidth = 0;
cHeight = 0;
}
if (line == null)
{
line = new List <IFigure>();
line.Add(child);
cWidth = cSize.Width + _padding.Width;
cHeight = cSize.Height;
}
else
{
line.Add(child);
cWidth += cSize.Width + _hGap;
cHeight = Math.Max(cHeight, cSize.Height);
}
}
}
if (line != null)
{
lines.Add(Tuple.Create(line, cWidth, cHeight));
}
}
var cLeft = clientArea.Left + _padding.Left;
var cTop = clientArea.Top + _padding.Top;
foreach (var line in lines)
{
var figs = line.Item1;
var width = line.Item2;
var height = line.Item3;
foreach (var fig in figs)
{
fig.Location = new Point(cLeft, cTop);
if (_adjustChildrenSize)
{
var pSize = fig.PreferredSize;
fig.Size = new Size(Math.Min(pSize.Width, clientArea.Width), pSize.Height);
}
cLeft += fig.Width + _hGap;
}
cTop += height + _vGap;
}
}