public virtual void LogicalLayoutLeaf(AlignerOptions options)
{
OptionsAndLayout(options);
var display = this.CurrentDisplay;
if (display != null)
{
var selected = display.Data.Selected.Elements;
var root = display.Data.Focused;
if (selected.Count() == 1)
{
var walk = display.Data.Graph.Walk()
.DeepWalk(root, 0, Walk.Leafs <IVisual, IVisualEdge> ())
.Where(l => !(l.Node is IVisualEdge))
.ToArray();
var save = options.Collisions;
Call(CurrentDisplay, (aligner, items) => {
var bounds = new Rectangle(aligner.Locator.GetLocation(root), aligner.Locator.GetSize(root));
options.Collisions = Collisions.None;
var cols = aligner.MeasureWalk(walk, ref bounds, options);
aligner.DequeColumn(cols, ref bounds, options);
options.Collisions = Collisions.NextFree | Collisions.PerColumn | Collisions.Toggle;
aligner.LocateColumns(cols, bounds, options);
}
, walk.Select(l => l.Node));
options.Collisions = save;
}
}
}
/// <summary>
/// an expandwalk with leafs of thing
/// attention! use it only once, or make tolist or toarray
/// </summary>
/// <param name="thing"></param>
/// <returns></returns>
public IEnumerable <IThing> Leafs(IThing thing)
{
return(ThingGraph.Walk()
.ExpandWalk(thing, 0, Walk.Leafs <IThing, ILink> ())
.Where(item => !(item.Node is ILink || item.Node == thing))
.Select(item => item.Node));
}