public HierarchicalData Hit(HierarchicalData item, Point mousePos)
{
// We may find a more detailed hit deeper.
HierarchicalData best = null;
if (item.Layout == null)
{
return(null);
}
if (item.Layout.IsHit(mousePos))
{
best = item;
if (item.IsLeafNode)
{
return(item);
}
}
foreach (var child in item.Children)
{
if (child.Layout.IsHit(mousePos))
{
return(Hit(child, mousePos));
}
}
return(best);
}
private void RemoveLeafNodes(HierarchicalData root, Func <HierarchicalData, bool> removePredicate)
{
foreach (var child in root.Children)
{
RemoveLeafNodes(child, removePredicate);
}
root._children.RemoveAll(x => x.IsLeafNode && removePredicate(x));
}
private void Dump(HierarchicalData item, int level)
{
Debug.WriteLine(new string(Enumerable.Repeat('\t', level).ToArray()) + item.Name + " " + item.Layout);
foreach (var child in item.Children)
{
Dump(child, level + 1);
}
}
private void RemoveLeafNodesWithoutArea(HierarchicalData data)
{
foreach (var child in data._children)
{
RemoveLeafNodesWithoutArea(child);
}
// During the recursive process new empty nodes may arise. So bottom to top.
data._children.RemoveAll(x => x.IsLeafNode && (double.IsNaN(x.AreaMetric) || Math.Abs(x.AreaMetric) <= 0));
}
private HierarchicalData Clone(HierarchicalData cloneThis)
{
var newData = new HierarchicalData(cloneThis.Name, cloneThis.AreaMetric, cloneThis.WeightMetric, _weightIsAleadyNormalized);
newData.Description = cloneThis.Description;
newData.ColorKey = cloneThis.ColorKey;
newData.Tag = cloneThis.Tag;
foreach (var child in cloneThis.Children)
{
newData.AddChild(Clone(child));
}
return(newData);
}
private HierarchicalData Clone(HierarchicalData cloneThis)
{
var newData = new HierarchicalData(cloneThis.Name, cloneThis.AreaMetric, cloneThis.WeightMetric);
newData.Description = cloneThis.Description;
newData.ColorKey = cloneThis.ColorKey;
newData.Tag = cloneThis.Tag;
newData.AreaMetricSum = cloneThis.AreaMetricSum;
newData.NormalizedWeightMetric = cloneThis.NormalizedWeightMetric;
// TODO remove
newData.Id = cloneThis.Id;
foreach (var child in cloneThis._children)
{
newData.AddChild(Clone(child));
}
return(newData);
}
public void AddChild(HierarchicalData child)
{
_children.Add(child);
child.Parent = this;
}