User Interface with Java Tutorial 1

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User Interface with JavaTutorial 1

• CSPP 51041
• Summer 2003
• July 8th

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Todays topics

• JBuilder
• General Java development
• GUI design
• Timers
• Poseidon for UML

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JBuilder

• Borland JBuilder is the leading cross-platform
  environment for building industrial-strength
  enterprise Java applications.
• http//www.borland.com/jbuilder/

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Myself

• Name Xuehai Zhang
• Office Ryerson 177, cubicle 3
• Email hai_at_cs.uchicago.edu
• Phone [phone]
• TA hours Tues, 4-5PM

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Access JBuilder

• Working directly on depts Linux clusters
• Using JBuilder 6 pre-installed in shared file
  system
• /opt/jbuilder/JBuilder6/bin/jbuilder
• Working from your own computer
• Linux users
• Can remotely use depts JBuilder 6
• The rest (including Linux users)
• Need to download and Install JBuilder 8 or 9
• Key
• http//www.borland.com/products/downloads/download
  _jbuilder.html

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JBuilder Documents

• My recommendation
• Introducing JBuilder (introjb.pdf)
• Building Applications with JBuilder (file
  bajb.pdf)
• Design User Interface with JBuilder
  (designui.pdf)
• More at Borlands document FTP sites
• JBuilder6
• ftp//ftpc.borland.com/pub/jbuilder/techpubs/jbuil
  der6/
• JBuilder9
• ftp//ftpc.borland.com/pub/jbuilder/techpubs/jbuil
  der9/

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Work on Existing Project

• ClickCounter project
• Bank Project

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New Application Project 1

• Non-GUI based
• 3 classes
• Main class extends from java.lang.Object
• 1 interface

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New Application Project 2

• GUI based
• 1 class that extends from javax.swing.JFrame

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Swing Timers

• Class javax.swing.Timer
• How it works?
• Fires one or more action events after a specified
  delay
• How can it be used?
• To perform a task once, after a delay
• To perform a task repeatedly

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Timer API

• Constructor
• Timer(int delay, ActionListener listener)
• Start Timer
• void start()
• Stop Timer
• void stop()
• Check status
• boolean isRunning()
• Control of action event
• void setRepeats(boolean flag)
• More at javax.swing.Timer API document

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A Timer Example

• Using a timer to periodically update a component
  that displays progress toward a goal
• Use case software installation, download, etc.

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Poseidon for UML

• A gentleware tool for UML
• Download page
• http//www.gentleware.com/products/download.php3
• Running requirement
• Java2 Standard Edition (J2SE)
• Download page http//java.sun.com/j2se/1.4.2/down
  load.html

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Diagrams

• Around 10 diagrams provided
• Diagrams used in this course
• Use case diagram
• Why we need this one?
• State diagram need to associate with a use case
• State diagram
• Same concept as STD

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Use Case Diagram

• Main ingredients
• Use cases
• Actors (roles)
• Use case diagram for ClickCounter example

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State Diagram

• Useful states
• Initial state
• Icon
• Common state
• Icon
• Transition
• Source, target
• Trigger
• Same as event in STD
• Guard
• Same as precondition in STD
• Effect
• Same as consequences in STD

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State Diagram (contd)

• More details in ArgoUML manual
• Web page
• http//www-ris.det.uvigo.es/avilas/argomanual.pdf
  
• State diagram for ClickCounter example