jgs CSE 460 Software Analysis and Design Lecture 15: Practice Dr. Javier Gonzalez-Sanchez [email protected] javiergs.engineering.asu.edu | javiergs.com PERALTA 230U Office Hours: By appointment 

jgs Proctoring Respondus LockDown Browser 

jgs 00000001 Proctoring 

jgs 00000001 Proctoring You need A camera 

jgs 00000001 Proctoring 

jgs 00000001 Agenda § Sample Exam is available. Test your system ASAP § Read the Online Proctored Exam Guidelines to know what to do in case of a problem during the exam § Midterm Exam available March 10 only during lecture time from 4:30 pm to 5:45 pm. § No lecture that day. Go directly to your exam § It is a CLOSED BOOK exam. Do not use any material § Scratch paper is allowed. Empty White Paper. Show it on camera when you show your environment! 

jgs Previously … 

jgs 00000001 GoF Patterns 

jgs Extra Example 1 Text Mode 

jgs 00000001 Decorator 

jgs 00000001 Main 

jgs 00000001 Companion public interface Companion { public void doSomething(); } 

jgs 00000001 BasicCompanion public class BasicCompanion implements Companion { @Override public void doSomething() { System.out.print("Hello Student, "); } } 

jgs 00000001 CompanionDecorator public class CompanionDecorator implements Companion { protected Companion c; public void add(Companion c){ this.c = c; } @Override public void doSomething() { this.c.doSomething(); } } 

jgs 00000001 HelperCompanion public class HelperCompanion extends CompanionDecorator { @Override public void doSomething(){ super.doSomething(); System.out.print(" I am here to help you. "); } } 

jgs 00000001 AffectiveCompanion public class AffectiveCompanion extends CompanionDecorator { @Override public void doSomething(){ super.doSomething(); System.out.print(" I am here to cheer you."); } } 

jgs 00000001 Main 

jgs Extra Example 2 Adding a GUI 

jgs 00000001 GUI 

jgs 00000001 Decorator 

jgs 00000001 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); } 

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); } } 

jgs 00000001 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(); } } 

jgs 00000001 Companion import javax.swing.JComponent; public interface Companion { public void doSomething(JComponent panel); } 

jgs 00000001 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); } } 

jgs 00000001 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); } } 

jgs 00000001 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); } } 

jgs 00000001 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); } } 

jgs 00000001 GUI 

jgs Let us Practice 

jgs 00000001 Practice 

jgs 00000001 Part 1 

jgs 00000001 Part 2 

jgs CSE 460 Software Analysis and Design Javier Gonzalez-Sanchez [email protected] 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.