Programming Logic and Design, 8th Edition
Chapter 12
Programming Exercises
1.
Assigned
2.Select one element of poor GUI design in a program you have used. Describe how you would improve the design.
3.Select a GUI program that you have never used before. Describe how well it conforms to the GUI design guidelines listed in this chapter.
4.
Assigned
5.
Asigned
6.
Design the wireframes and storyboard, interactivity diagram, object dictionary, and
any necessary scripts for an interactive program for customers of the Dharma Day
Spa.
Allow customers the option of choosing a manicure ($10), pedicure ($25), or both
($32). After the customer clicks a Select button, display the price of the service.
Answer:
Storyboards
Screen 1
1
Service
o
Manicure
o
Pedicure
o
Both
Select
Screen 2
Interactivity Diagram
Object dictionary
Object name
Screen
Variables affected
Script?
2
Screen 1
Screen 2
Price of the service:
$32
Exit
number
Label dharmaLabel
1
none
none
Label serviceLabel
1
none
none
RadioButton
manicureRadioButton
1
servicePrice
none
RadioButton pedicureRadioButton
1
servicePrice
none
RadioButton bothRadioButton
1
servicePrice
none
Button selectButton
1
servicePrice
selectRoutine()
Label priceLabel
2
none
none
Label serviceAmtLabel
2
none
none
Button exitButton
2
none
exitRoutine()
Script
public void selectRoutine()
Declarations
num MANICURE_AMT = 10
num PEDICURE_AMT = 25
num BOTH_AMT = 32
num servicePrice
if manicureRadioButton.getChecked() then
servicePrice = MANICURE_AMT
else
if pedicureRadioButton.getChecked() then
servicePrice = PEDICURE_AMT
else
if bothRadioButton.getChecked() then
servicePrice = BOTH_AMT
endif
endif
endif
serviceAmtLabel.setText(servicePrice)
screen1.remove()
screen2.display()
return
start
screen1.display()
stop
public void exitRoutine()
screen2.remove()
return
7.
Design wireframes and storyboard, interactivity diagram, object dictionary, and any
necessary scripts for an interactive program for customers of the Friar Farm Market.
Allow customers the option of choosing tomatoes ($3.00 per pound), peppers ($2.50
per pound), or onions ($2.25 per pound). The customer enters a weight in pounds in a
text box. After the customer clicks a Select button, display the price of the order.
