CSE460 Lecture 19

CSE460 Lecture 19

Software Analysis and Design
Practice
(202010)

B546a9b97d993392e4b22b74b99b91fe?s=128

Javier Gonzalez

July 19, 2020
Tweet

Transcript

  1. jgs CSE 460 Software Analysis and Design Lecture 19: Practice

    Dr. Javier Gonzalez-Sanchez javiergs@asu.edu javiergs.engineering.asu.edu | javiergs.com PERALTA 230U Office Hours: By appointment
  2. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 2 jgs

    Announcements § Midterm Exam: Monday October 19 § Midterm Review: Friday October 16 § Assignment 03: it will open October 9. It is due October 16. It about patterns. § Quiz 04: It should be an in-class activity. I am opening it all day today.
  3. jgs Previously …

  4. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 4 jgs

    GoF Patterns
  5. jgs Let us Practice

  6. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 6 jgs

    Practice
  7. jgs Extra Example 1 Text Mode

  8. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 8 jgs

    Decorator
  9. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 9 jgs

    Main
  10. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 10 jgs

    Companion public interface Companion { public void doSomething(); }
  11. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 11 jgs

    BasicCompanion public class BasicCompanion implements Companion { @Override public void doSomething() { System.out.print("Hello Student, "); } }
  12. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 12 jgs

    CompanionDecorator public class CompanionDecorator implements Companion { protected Companion c; public void add(Companion c){ this.c = c; } @Override public void doSomething() { this.c.doSomething(); } }
  13. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 13 jgs

    HelperCompanion public class HelperCompanion extends CompanionDecorator { @Override public void doSomething(){ super.doSomething(); System.out.print(" I am here to help you. "); } }
  14. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 14 jgs

    AffectiveCompanion public class AffectiveCompanion extends CompanionDecorator { @Override public void doSomething(){ super.doSomething(); System.out.print(" I am here to cheer you."); } }
  15. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 15 jgs

    Main
  16. jgs Extra Example 2 Adding a GUI

  17. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 17 jgs

    GUI
  18. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 18 jgs

    Decorator
  19. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 19 jgs

    Main import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; public class Main extends JFrame implements ActionListener { CompanionPanel panel = new CompanionPanel (); JButton b1 = new JButton("standard"); JButton b2 = new JButton("help"); JButton b3 = new JButton("affect"); JButton b4 = new JButton("helper+affect"); public Main() { setLayout(new BorderLayout(3,2)); add (panel, BorderLayout.CENTER); JPanel control = new JPanel(new GridLayout(1,4)); control.add (b1); b1.addActionListener(this); control.add (b2); b2.addActionListener(this); control.add (b3); b3.addActionListener(this); control.add (b4); b4.addActionListener(this); add (control, BorderLayout.SOUTH); }
  20. jgs @Override public void actionPerformed(ActionEvent e) { if (e.getSource()==b1) {

    BasicCompanion basic = new BasicCompanion(); panel.setCompanion(basic); panel.showYourself(); } else if (e.getSource()==b2) { BasicCompanion basic = new BasicCompanion(); HelperCompanion helper = new HelperCompanion(); helper.add(basic); panel.setCompanion(helper); panel.showYourself(); } else if (e.getSource()==b3) { BasicCompanion basic = new BasicCompanion(); AffectiveCompanion h = new AffectiveCompanion(); h.add(basic); panel.setCompanion(h); panel.showYourself(); } else if (e.getSource()==b4) { HelperCompanion helper2 = new HelperCompanion(); AffectiveCompanion affective = new AffectiveCompanion(); BasicCompanion basic2 = new BasicCompanion(); helper2.add(affective); affective.add(basic2); panel.setCompanion(helper2);panel.showYourself(); } } public static void main(String[] args) { JFrame main = new Main(); main.setSize(500,500); main.setVisible(true); main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } }
  21. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 21 jgs

    CompanionPanel import java.awt.GridLayout; import javax.swing.JLayeredPane; public class CompanionPanel extends JLayeredPane{ public Companion brain; public void setCompanion(Companion x) { brain = x; } public void showYourself() { removeAll(); setLayout(new GridLayout(1,1)); brain.doSomething(this); revalidate(); } }
  22. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 22 jgs

    Companion import javax.swing.JComponent; public interface Companion { public void doSomething(JComponent panel); }
  23. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 23 jgs

    BasicCompanion import javax.swing.ImageIcon; import javax.swing.JComponent; import javax.swing.JLabel; public class BasicCompanion implements Companion { @Override public void doSomething(JComponent panel) { ImageIcon face = new ImageIcon("src/face.png"); JLabel label = new JLabel(); label.setIcon(face); label.setHorizontalTextPosition(JLabel.CENTER); label.setVerticalTextPosition(JLabel.BOTTOM); label.setText("Hello Student, "); panel.add(label); } }
  24. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 24 jgs

    CompanionDecorator import javax.swing.JComponent; public class CompanionDecorator implements Companion { protected Companion c; public void add(Companion c){ this.c=c; } @Override public void doSomething(JComponent panel) { this.c.doSomething(panel); } }
  25. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 25 jgs

    AffectiveCompanion import javax.swing.ImageIcon; import javax.swing.JComponent; import javax.swing.JLabel; public class AffectiveCompanion extends CompanionDecorator { @Override public void doSomething(JComponent panel){ super.doSomething(panel); ImageIcon face = new ImageIcon("src/cheer.png"); JLabel label = new JLabel(); label.setIcon(face); label.setHorizontalTextPosition(JLabel.CENTER); label.setVerticalTextPosition(JLabel.BOTTOM); label.setText("I am here to cheer you."); panel.add(label); } }
  26. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 26 jgs

    HelperCompanion import javax.swing.ImageIcon; import javax.swing.JComponent; import javax.swing.JLabel; public class HelperCompanion extends CompanionDecorator { @Override public void doSomething(JComponent panel){ super.doSomething(panel); ImageIcon face = new ImageIcon("src/bubble.png"); JLabel label = new JLabel(); label.setIcon(face); label.setHorizontalTextPosition(JLabel.CENTER); label.setVerticalTextPosition(JLabel.BOTTOM); label.setText("I am here to help you."); panel.add(label); } }
  27. Javier Gonzalez-Sanchez | CSE460 | Fall 2020 | 27 jgs

    GUI
  28. jgs CSE 460 Software Analysis and Design Javier Gonzalez-Sanchez javiergs@asu.edu

    Fall 2020 Disclaimer. These slides can only be used as study material for the class CSE460 at ASU. They cannot be distributed or used for another purpose.