[Uml-devel] [Bug 171697] New: Hierarchical diagrams in Umbrello

[Keith Milner]

http://bugs.kde.org/show_bug.cgi?id=171697

           Summary: Hierarchical diagrams in Umbrello
           Product: umbrello
           Version: unspecified
          Platform: Mandriva RPMs
        OS/Version: unspecified
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: umbrello-devel at kde.org
        ReportedBy: bugzilla at superlative.org


Version:           1.5.8 (using KDE 3.5.9)
Installed from:    Mandriva RPMs

It would good to support hierarchically linked diagrams in Umbrello. The
hierarchy provides a way to structure the project and aids organisation.
I have used Jude which provides this capability and it is incredibly useful.

It is best described with a (contrived) example:

The main Use-case diagram has a "top-level" view of the use-cases which may
include Actors "User" and "Admin" as well as Use cases "Use System" and "Admin
System".

>From the "Admin System" use case in the tree, you can create a sub-diagram of
type use-case which could then be called "Use Case - Admin System" which then
contained more details use-cases such as "Add User", "Delete User", and so on.

>From this, the individual use cases could also have sequence/activity/state
diagrams added beneath them.

This gives you a structure as follows (object type in brackets):

Use Cases - Top-Level (Use Case Diagram)
  |- User (Actor)
  |- Admin (Actor)
  |- Use System (Use Case)
  |- Admin System (Use Case)
  |    |- Use Cases - Admin System (Use Case Diagram)
  |    |   |- Add User (Use case)
  |    |   |   |- Sequence - Add User (Sequence Diagram)
  |    |   |   |- Activity - Add User (Activity Diagram)
  |    |   |- Delete User (Use Case)
  |    |   |   |- Sequence - Delete User (Sequence Diagram)

etc.

This provides a structured approach to UML development on larger projects and
allows easy visualisation of the relationships as well as easy navigation of
the diagrams.


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