protected override Rect GetChildPlaceholderRect(GraphNode parent, int index)
{
Rect rect = new Rect(Vector2.zero, NODE_SIZE);
if (NodeAreas.TryGetValue(parent.GUID, out var area))
{
Vector2 position = area.position;
int idx = 0;
foreach (var link in Graph.Links)
{
if (link.From.Node != parent)
{
continue;
}
if (idx == index)
{
break;
}
position.y = link.To.Node.Space;
idx++;
}
rect.position = position;
}
return(rect);
}
protected void UpdateNodeChildPos(GraphNode node)
{
if (node.MaxChildrenCount == 0)
{
return;
}
if (node.FoldChildren)
{
return;
}
if (Draging.Nodes.Contains(node))
{
return;
}
Rect childrenArea = new Rect
{
position = node.Bounds.position + new Vector2(NODE_SPACE_WIDTH, -node.Space * 0.5f + NODE_SPACE_HEIGH * 0.5f),
size = new Vector2(NODE_SPACE_WIDTH, node.Space)
};
NodeAreas.Add(node.GUID, childrenArea);
Vector2 startPos = childrenArea.position;
int index = 0;
foreach (var link in Graph.Links)
{
if (link.From.Node != node)
{
continue;
}
var child = link.To;
if (Draging.Parent.GUID == node.GUID)
{
if (index == Draging.Index)
{
startPos.y += NODE_SPACE_HEIGH;
}
}
if (!Draging.Nodes.Contains(child))
{
Vector2 pos = startPos;
startPos.y += child.Node.Space;
pos.y += (child.Node.Space * 0.5f - NODE_SIZE.y * 0.5f);
child.Node.Bounds = new Rect(pos, NODE_SIZE);
UpdateNodeChildPos(child.Node);
}
++index;
}
}
