public Rotation Determine(PanelRectangle parent, Panel panel)
{
if (parent == null)
{
throw new ArgumentNullException(nameof(parent));
}
if (panel == null)
{
throw new ArgumentNullException(nameof(panel));
}
switch (panel.AttachedToSide)
{
case 0: return(parent.Rotation + Rotation.Down);
case 1: return(parent.Rotation + Rotation.Right);
case 2: return(parent.Rotation + Rotation.None);
case 3: return(parent.Rotation + Rotation.Left);
default:
throw new ArgumentOutOfRangeException($"Panel '{panel.Name}' ({panel.Id}) does not have a valid side to attach to: {panel.AttachedToSide}");
}
}
ImmutableList <PanelRectangle> Create(PanelRectangle parent, Panel panel)
{
var panelRectangle = _panelPositioner.Position(parent, panel);
return(ImmutableList.Create(panelRectangle)
.AddRange(panel.AttachedPanels.SelectMany(attachedPanel => Create(panelRectangle, attachedPanel))));
}
public PanelRectangle Position(PanelRectangle parent, Panel panel)
{
if (parent == null)
{
throw new ArgumentNullException(nameof(parent));
}
if (panel == null)
{
throw new ArgumentNullException(nameof(panel));
}
var hingeToAttachTo = _attachToHingeDeterminer.Determine(parent, panel);
var rectangle = _rectangleFactory.Create(hingeToAttachTo, panel.Dimensions);
var rotation = _rotationDeterminer.Determine(parent, panel);
var rotatedRectangle = _rectangleRotator.Rotate(hingeToAttachTo, rectangle, rotation);
var rotatedRectangleWithHingeOffset = _hingeOffsetApplier.Apply(rotatedRectangle, rotation, panel.HingeOffset);
return(new PanelRectangle(panel, rotatedRectangleWithHingeOffset, rotation));
}