Hierarchical, multilevel, expand and collapse navigation aid for hierarchical structures

摘要: A software utility navigation aid for hierarchical structures such as file managers, taxonomies, or tables of contents that displays a dynamic menu when the mouse cursor is hovered over an activator used to swap expanded/collapsed state node displayed in structure. The contains entries identify which display level expansion resides based on structure's fully collapsed condition (from root node), number levels this branch hierarchy can be expanded, and nodes will exposed expanded each those levels. Each entry menu, positioned both below above identified node, clicked cause structure expand collapse level.