Configure Timeline Dialog - States Tab [EA User Guide]

You can also manage states and transitions using the States tab of the Configure Timeline dialog. To display this, either:

·	Double-click on the Lifeline element

·	Right click on the Lifeline element and, from the context menu, select the Properties option, or

·	On a Value Lifeline, click on the Edit States button ().

Configure timeline - State

The Configure Timeline dialog defaults to the States tab.

All states currently defined for the Lifeline element are listed in the States panel.

Add a New State:

1.	In the State Name field, type the name of the first new state in the Lifeline element; for example, WaitState.

2.	Click on the Save button. The state is added to the States panel and (for a State Lifeline Element) to the diagram.

3.	Click on the New button.

4.	In the State Name field, type the name of the next state in the Lifeline element.

5.	Repeat steps 2 to 5 until you have added all required states (you must add at least three to the Lifeline element).

6.	When you have added all the required states, click on the OK button to close the Configure Timeline dialog.

Edit an Existing State:

1.	Click on the state in the States: list.

2.	In the State Name field, change the name of the state.

3.	Click on the Save button.

Delete an Existing State:

1.	Click on the state in the States: list.

2.	Click on the Delete button.

Change the Order of States:

1.	Click on the state in the States: list.

2.	Click on the or buttons to move the state up or down the sequence.

Numeric Range Generator

You can also use the Configure Timeline dialog to create a range of states having numeric values to be applied to the Timeline.

IMPORTANT: This operation deletes all existing states and transitions for the Timeline element.

1.	Display the Configure Timeline dialog.

2.	Click on the Create Continuous Numeric States button. The Numeric Range Generator dialog displays.

3.	In the High Value and Low Value fields, type the upper and lower values of the range.

4.	In the Step Value field, type the increase interval.

Note: Nonsense values do not parse; Low Value must be less than High Value, and Step Value must be a positive value smaller than the total range.

5.	In the Units field, type the name of the measurement unit; for example, minutes.

6.	Click on the OK button. Enterprise Architect displays a warning that existing states and transitions will be deleted.

7.	Click on the Yes button. The Configure Timeline dialog redisplays, with the defined range of states listed in the States panel.

8.	Click on the OK button. For a:

·	Value Lifeline, the first state is shown on the Timeline for the full time range of the Timeline.

·	State Lifeline, the range of states is displayed as the y-axis of the Timeline.