private void ArrangeRoot()
{
var rootLayoutNode = HorizontalStraightLayoutNode.AttachTo(Document.Root, Scene.FindRenderNode(Document.Root), null);
rootLayoutNode.MoveTo(MindmapCenter, NodeSide.Auto);
Arrange(rootLayoutNode, Document.Root.LeftChildren, -1.0f, NodeSide.Right);
Arrange(rootLayoutNode, Document.Root.RightChildren, 1.0f, NodeSide.Left);
}
private void UpdateSizeWithChildren(HorizontalStraightLayoutNode parent, IReadOnlyCollection <Node> children, bool isCollapsed)
{
var treeW = parent.RenderSize.X;
var treeH = parent.RenderSize.Y;
if (children.Count > 0)
{
if (isCollapsed)
{
foreach (var child in children)
{
var childData = HorizontalStraightLayoutNode.AttachTo(child, Scene.FindRenderNode(child), parent);
UpdateSizeWithChildren(childData, child.Children, child.IsCollapsed);
}
}
else
{
float childsW = 0;
float childsH = 0;
foreach (var child in children)
{
var childData = HorizontalStraightLayoutNode.AttachTo(child, Scene.FindRenderNode(child), parent);
UpdateSizeWithChildren(childData, child.Children, child.IsCollapsed);
childsH += childData.TreeHeight;
childsW = Math.Max(childData.TreeWidth, childsW);
}
treeW += Layout.HorizontalMargin;
treeW += childsW;
treeH = childsH;
}
}
treeH += 2 * Layout.ElementMargin;
parent.TreeSize = new Vector2(treeW, treeH);
}