CSE460 Lecture 15

Software Analysis and Design
Practice
(202103)

Transcript

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

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   Proctoring
   Respondus LockDown Browser
   

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   Proctoring
   

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   Proctoring
   You need
   A camera
   

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   Proctoring
   

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   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!
   

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   Previously …
   

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   GoF Patterns
   

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   Extra Example 1
   Text Mode
   

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    Decorator
    

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    Main
    

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

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

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

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

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

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    Main
    

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    Extra Example 2
    Adding a GUI
    

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    GUI
    

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    Decorator
    

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    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);
    }
    

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    @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);
    }
    }
    

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    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();
    }
    }
    

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

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    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);
    }
    }
    

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    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);
    }
    }
    

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    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);
    }
    }
    

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    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);
    }
    }
    

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    GUI
    

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    Let us Practice
    

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    Practice
    

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    Part 1
    

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    Part 2
    

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    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.
    

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