I want to populate treeview same as Organization's Role Hierarchy in salesforce. Add/Edit features should be threre. But this tree view should not reflect the Organization's Role Hierarchy.

Example:

Admin1
|------ Manager1
--|------ ReportingPerson1
--|------ ReportingPerson2
|------ Manager2
--|------ ReportingPerson3
--|------ ReportingPerson4
--|------ ReportingPerson5
|------ Manager3
--|------ ReportingPerson1
--|------ ReportingPerson6
--|------ ReportingPerson7
--|------ ReportingPerson8
|------ Manager4
--|------ ReportingPerson2
Admin2
|------ Manager5
--|------ ReportingPerson1
--|------ ReportingPerson2
|------ Manager6
--|------ ReportingPerson3
--|------ ReportingPerson4
--|------ ReportingPerson5

--Chamil Madusanka