Appendix A : External Context Model

Appendix B : Internal Context Model

Appendix C : Use Cases
Functional description of model viewer/designer
Primary use is to create shapes / objects which will represent nodes, arcs and terminating nodes.

1. New Package
2. Open Package
3. Save Package
4. Save as Package
5. Close Package
6. Open meta-model
7. Graphical functions
7.1 Draw circle / fill circle
7.2 Draw rectangle / fill rectangle
7.3 Place text
7.4 Draw line
7.5 Fill shapes / areas
8. Creation of nodes
9. Creation of arcs
10. Creation of termination nodes
11. Design Package on meta-model
12. Select shapes / objects
13. Cut selected objects
14. Paste selected objects
15. Move selected objects
16. Alter dimensions of selected objects
17. Set / alter colour of selected objects
18. Set / alter line types.
19. Delete selected shapes / objects
20. Add shapes to package
21. Edit shapes to package
22. Delete shapes from package
23. Undo and redo changes

New Package
- Select “File” menu.
- Select “New Package”.

Open Package
- Select “File” menu.
- Select “Open Package”.

Save Package
- Select “File” menu.
- Select “Save”.

Save As Package
- Select “File” menu.
- Select “Save As…”
- Type name of package.
- Hit “Enter”

Close Package
- Select “File” menu.
- Select “Close Package”.

Draw shape (circle / fill circle / rectangle / fill rectangle / line)
- Select desired shape
- Drag mouse over drawing pane.
- Let go of mouse when desired dimensions of shape appear.

Move shapes
- Click mouse over desired shape
- Drag to desired position.

Alter dimensions
- Select shape.
- Place mouse over a control point (mouse icon should change)
- Drag to desired dimension.

Copy shape
- Select shape.
- Select “Edit” menu.
- Select “Copy”.
- Shortcut: Ctrl + C

Cut shape
- Select shape.
- Select “Edit” menu.
- Select “Cut”.
- Shortcut: Ctrl + X

Paste shape
- Select shape.
- Select “Edit” menu.
- Select “Paste”.
- Shortcut: Ctrl + V

Undo last change
- Select “Edit” menu.
- Select “Undo”.

Set / Alter colour of shape
- Select shape
- Select colour from colour palette

Set / Alter lined type of shape
- Select shape
- Select line type (either dashed, solid, dash-dot-dash, etc…) from

Delete shape(s) from pane
- Select shape
- Press <DEL> key or…
- Select “Edit” menu.
- Select “Delete Shape”.

Creation of nodes / arcs / termination nodes
- Select appropriate page / tab (separating node / arc / termination node creation functionality)
- Create desired node / arc / termination node.
- Give node / arc / termination node a “Type”.
- Click “?” button on dialog or…
- Select “Shape” menu
- Select “Add to Package”.

Creation of Package conforming to meta-model
- Open desired meta-model
- Types should be listed for nodes / arcs / termination nodes on associated pages / tabs
- Select “Type” on respective page / tab
- Create element on drawing pane
- Click “?” button on dialog or …
- Select “Meta-Model” menu
- Select “Add to Model”.

Edit existing node / arc / termination node in package
- Select appropriate page / tab
- Select shape in “Package Tree” (could be either a Jtree or Jlist)
- Press “?” button on dialog or..
- Select “Shape” menu.
- Select “Edit Element”.

Delete existing node / arc / termination node from package
- Select appropriate page / tab
- Select shape in “Package Tree”
- Press <DEL> key or …
- Select “Shape” menu.
- Select “Delete Element”.

Add User
1. Add a user to the system
1.1. Login
1.1.1. Select login
1.1.2. Wait for login to show
1.1.3. Select server
1.1.4. Type in user name
1.1.5. Type in password
1.1.6. Press ok
1.2. Open user manager
1.2.1. Select user manager option
1.2.2. Wait for dialog to show
1.3. Click add button
1.4. Wait for dialog
1.5. Enter details
1.5.1. User name
1.5.2. Full name
1.5.3. Email address
1.5.4. Password
1.5.5. Privilage
1.6. Press OK
1.7. Wait for confirmation
1.8. Close user manager

Edit user
1. Edit a user
1.1. Login (See Add user 1.1)
1.2. Open use rmanager (See Add user 1.2)
1.3. Select a user from list
1.4. Click edit button
1.4.1. Wait for dialog
1.5. Edit details (see Add user 1.6)
1.6. Press ok
1.7. Wait for confirmation
1.8. Close user manager

Remove a user
1. Remove a user
1.1. Login (See add user 1.1)
1.2. Open user manager (See add user 1.2)
1.3. Select user from the list
1.4. Click remove button
1.5. Wait for confirmation
1.6. Close user manager

Create a package
1. Create a package
1.1. Select new package from menu
1.1.1. Wait for dialog
1.2. Choose meta model
1.3. Enter name of new model
1.4. Press enter
1.5. Create new node/arc
1.5.1. Select new
1.5.2. Select tool to daw with
1.5.3. Draw
1.5.4. Repeat from 1.5.1 until done
1.5.5. Select type (what it represents in meta model)
1.5.5.1. If not from meta model, give a name
1.6. Repeat 1.5 until package is complete
 

Send direct internal and/or SMTP message

Pre Conditions
1. A user with appropriate permission to send a message is logged on.
2. User has opened a Send Message Dialog.

Use Case 1: Enter valid message details
1. User enters a list of receivers.
2. User enters a subject for the message (not required).
3. User enters a text message in the message field (not required, but recommended)
4. User selects SEND button.
5. Message details passed to server.
6. Server runs through each receiver in the receiver list, and determines whether it is an SMTP message receiver or a Direct Message receiver.
7. Message sent to all receivers in appropriate format.
8. If a direct message, the message is displayed on the relevant user’s screen (if they are logged on.
9. If a SMTP message, the message will eventually appear in the INBOX of all SMTP receivers.

Use Case 2: Enter invalid message details
1. User does not enter any receivers for the message.
2. User enters other relevant details.
3. User selects SEND button
4. Message is not sent… no receivers entered to send it to.

Side Script 1: No Receivers listed
1. If no receivers are listed, a message dialog stating “There are no receivers listed to send the message to” will be displayed.
2. OK button selected on message dialog to remove message.

Post Conditions
A list of receivers must be provided with the message.

User Interface/Reports
 

Add address book entry

Pre Conditions
1. A user with appropriate permission to modify the address book is logged on.
2. User has opened the Address Book Dialog, either from the Send Message Dialog, the toolbar or the menu.

Use Case 1: Enter valid address details
1. User enters required address attributes.
2. User selects ADD button.
3. New Address Book entry saved.

Use Case 2: Enter invalid address details
1. User enters required address attributes.
2. User selects ADD button
3. An address entry with the same name already exists.

Side Script 1: Address entry already exists
1. If address entry with the same name already exists, a message dialog stating “Address entry with this name already exists” will be displayed.
2. OK button selected on message dialog to remove message.

Post Conditions

User Interface/Reports
 

Retrieve address book

Pre Conditions
1. A user with appropriate permission to view the address book is logged on.

Use Case 1: Display Address Books
1. User opens Address Book Dialog.
2. Address Book Dialog retrieves address book entries from the server (if available)
3. Address Book Dialog displays server address book entries.
4. Address Book Dialog retrieves address book entries from the local file system
5. Address Book Dialog displays client address book entries.

Post Conditions

User Interface/Reports
 

Modify address book entry

Pre Conditions
1. Uer with appropriate permission to modify the address book is logged on.
2. User has opened the Address Book Dialog, either from the Send Message Dialog, the toolbar or the menu.

Use Case 1: Enter valid address details
1. User selects an address entry to modify.
2. User modifies desired address attributes (still provides required attributes).
3. User selects MODIFY button.
4. Address Book entry modified.

Use Case 2: Enter invalid address details
1. User selects an address entry to modify.
2. User modifies desired address attributes (still provides required attributes).
3. User selects MODIFY button
4. An address entry with the same name already exists.

Side Script 1: Address entry already exists
1. If address entry with the same name already exists, a message dialog stating “Address entry with this name already exists” will be displayed.
2. OK button selected on message dialog to remove message.

Post Conditions

User Interface/Reports
 

Send Mail

Pre Conditions:
1. User with appropriate permission to send mail is logged on.
2. Client is connected to the server.

Use Case 1: Enter valid message details
1. Bring up send mail screen
2. User enters receivers
2.1 User types in receivers manually OR
2.2 User selects receivers from address book
3. User enters message details
4. Users sends message
5. Message details are passed to the server
6. Server sends SMTP message to all recipients

Use Case 2: Enter invalid message details
1. User does not enter any receivers for the message.
2. User enters other relevant details
3. User selects send button
4. Message is not sent… no receivers entered to send it to.

Side Script 1: No receivers listed
1. If no receivers are listed, a message dialog stating “there are no receivers listed to send the message to” will be displayed.
2. OK button selected to message dialog to remove the message.

Post Conditions:
1. Send mail dialog is no longer displayed
2. Copy of message is saved in outbox
 

Select user from address book

Pre Conditions:
1. A user with appropriate permissions to view the address book is logged in.

Use Case 1: make address book selection
1. User opens address book dialog
2. Dialog retrieves address book from server (if available).
3. Dialog retrieves address book locally.
4. Dialog displays address books.
5. User makes single or multiple selection.
6. User presses select button.

Post Condition:
 

Add user to address book

Pre Conditions:
1. A user with appropriate permission to modify the address book is logged on.
2. User has opened the address book dialog, either from the Send message dialog, the tool bar or the menu.
3. The address book dialog has retrieved the address books.

Use Case 1: Enter valid address book details
1. User selects location to add entry, locally or on the server (if available).
2. User enters required address attributes.
3. User selects ADD button.
4. New address book entry saved.

Use Case 2: Enter non unique address entry
1. User selects location to add entry, locally or on the server (if available).
2. User enters address attributes.
3. User selects ADD button.
4. An address entry with the same name already exists.

Side Script 1: Address entry already exists
1. If an address with entry with the same name already exists, a message dialog stating “Address entry with this name already exists” will be displayed.
2. OK button selected on message dialog to remove message.

Post Conditions
1. Address book dialog displayed with updated address book.
 

Edit / remove user in address book

Pre Conditions:
1. User with permission to modify the address book must be logged in
2. User has opened the address book dialog, either from the send mail dialog, the tool bar or the menu.

Use Case 1: Edit valid address details
1. User selects an address entry to modify.
2. User modifies desired address attributes.
3. User selects  save button
4. Address book entry is modified.

Use Case 2: Remove address book entry
1. User selects address to remove.
2. User selects delete button or presses delete key.
3. Confirmation message is displayed.
4. If confirmed, address book entry is deleted.

Use Case 3: Address is modified to non unique name
1. User selects an address entry to modify.
2. User modifies desired address attributes.
3. User selects  save button
4. Address book entry with same name already exists.

Side Script 1: Address entry already exists
1. I fan address book entry with the same name already exists, a message dialog stating “Address entry with this name already exists” will be displayed.
2. OK button selected on the message dialog to remove the message.

Post Conditions:
1. Address book dialog is displayed with an updated version of the address book.
 

Send Direct Message

Pre Conditions:
1. A user with appropriate permission to send a direct message is logged in.
2. The client is connected to the server.

Use Case 1: Send message to recipient
1. Display send message dialog
2. Dialog lists users who are currently logged on to the server.
3. Dialog displays a list of message received during this session.
4. User selects recipient to reply to.
4.1 User selects recipient from list of users currently logged in
4.2 User selects recipient by choosing a previous message to reply to.
5. User enters message
6. Users selects send button.
7. Message details are passed to the server.
8. Server sends message details to the recipient.

Use Case 2: Recipient rejects message
1. Display send message dialog
2. Dialog lists users who are currently logged on to the server.
3. Dialog displays a list of message received during this session.
4. User selects recipient to reply to.
4.1 User selects recipient from list of users currently logged in
4.2 User selects recipient by choosing a previous message to reply to.
5. User enters message
6. Users selects send button.
7. Message details are passed to the server.
8. Server sends message details to the recipient.
9. Recipient’s preferences reject direct message.

Side Script 1: Message rejected
1. If the recipient has chosen not to receive direct messages a message will be displayed stating “Recipient is not receiving any messages”.
2. OK button selected on message dialog will remove message.

Post Conditions:
1. Message dialog is no longer displayed.
 

Receive Direct Message

Pre Conditions:
1. User with appropriate permission to receive messages must be logged in.
2. Client must be connected to the server.
3. The user preferences must be set to enable the receiving of direct messages

Use Case 1: Receive direct message
1. Notify user that a new direct message has been received
2. Store message locally.
3. User view message
4. List past messages received this session.

Post Conditions
 

Set mail / message preferences

Pre Conditions:
1. User with permission to modify user settings is logged in.

Use Case 1: Modify mail / message preferences
1. Display mail / message preferences dialog
2. User set return e-mail address.
3. User set outgoing mail server.
4. User set message notification level.
5. User set message receive enable / disable
6. Ok select on set mail / message preferences dialog saves preferences.

Post Condition:
1. Set Message / Mail preferences dialog is no longer displayed
 
 

Appendix D : Hierarchical User Interface Decomposition