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#1 - GUI 구현 #21

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merged 2 commits into from
Jun 11, 2023
Merged

#1 - GUI 구현 #21

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83a589d
#1 GUI 구현
Ogu1208 Jun 10, 2023
6ff7aa3
[fix] : 간트 차트 수정
Ogu1208 Jun 11, 2023
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239 changes: 239 additions & 0 deletions src/GUI.java
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Original file line number Diff line number Diff line change
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import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class GUI {
private JFrame frame;
private JPanel mainPanel;
private CustomPanel chartPanel;
private JScrollPane tablePane;
private JScrollPane chartPane;
private JTable table;
private JButton addBtn;
private JButton removeBtn;
private JButton computeBtn;
private JLabel wtLabel;
private JLabel wtResultLabel;
private JLabel tatLabel;
private JLabel tatResultLabel;
private JLabel rtLabel;
private JLabel rtResultLabel;
private JComboBox option;
private DefaultTableModel model;

public GUI() {
model = new DefaultTableModel(new String[]{"Process", "AT", "BT", "Priority", "WT", "TAT", "RT"}, 0);

table = new JTable(model);
table.setFillsViewportHeight(true);
tablePane = new JScrollPane(table);
tablePane.setBounds(25, 25, 450, 250);

addBtn = new JButton("Add");
addBtn.setBounds(300, 280, 85, 25);
addBtn.setFont(new Font("Segoe UI", Font.PLAIN, 11));
addBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
model.addRow(new String[]{"", "", "", "", "", "", ""});
}
});

removeBtn = new JButton("Remove");
removeBtn.setBounds(390, 280, 85, 25);
removeBtn.setFont(new Font("Segoe UI", Font.PLAIN, 11));
removeBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int row = table.getSelectedRow();

if (row > -1) {
model.removeRow(row);
}
}
});

chartPanel = new CustomPanel();
// chartPanel.setPreferredSize(new Dimension(700, 10));
chartPanel.setBackground(Color.WHITE);
chartPane = new JScrollPane(chartPanel);
chartPane.setBounds(25, 310, 450, 100);

wtLabel = new JLabel("Average Waiting Time:");
wtLabel.setBounds(25, 425, 180, 25);
tatLabel = new JLabel("Average Turn Around Time:");
tatLabel.setBounds(25, 450, 180, 25);
rtLabel = new JLabel("Average Response Time:");
rtLabel.setBounds(25, 475, 180, 25);
wtResultLabel = new JLabel();
wtResultLabel.setBounds(215, 425, 180, 25);
tatResultLabel = new JLabel();
tatResultLabel.setBounds(215, 450, 180, 25);
rtResultLabel = new JLabel();
rtResultLabel.setBounds(215, 475, 180, 25);

option = new JComboBox(new String[]{"FCFS", "SJF", "HRN", "PSN", "PSP", "RR", "SRT"});
option.setBounds(390, 420, 85, 20);

computeBtn = new JButton("Compute");
computeBtn.setBounds(390, 450, 85, 25);
computeBtn.setFont(new Font("Segoe UI", Font.PLAIN, 11));
computeBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String selected = (String) option.getSelectedItem();
CPUSchedulingAlgorithm scheduler;

switch (selected) {
case "FCFS":
scheduler = new FCFS();
break;
case "SJF":
scheduler = new SJF();
break;
case "HRN":
scheduler = new HRN();
break;
case "PSN":
scheduler = new PriorityNonPreemptive();
break;
case "PSP":
scheduler = new PriorityPreemtive();
break;
case "SRT":
String tq = JOptionPane.showInputDialog("Time Quantum");
if (tq == null) {
return;
}
scheduler = new SRT();
scheduler.setTimeQuantum(Integer.parseInt(tq));
break;
case "RR":
tq = JOptionPane.showInputDialog("Time Quantum");
if (tq == null) {
return;
}
scheduler = new RoundRobin();
scheduler.setTimeQuantum(Integer.parseInt(tq));
break;
default:
return;
}

for (int i = 0; i < model.getRowCount(); i++) {
String process = (String) model.getValueAt(i, 0);
int at = Integer.parseInt((String) model.getValueAt(i, 1));
int bt = Integer.parseInt((String) model.getValueAt(i, 2));
int pl;

if (selected.equals("PSN") || selected.equals("PSP")) {
if (!model.getValueAt(i, 3).equals("")) {
pl = Integer.parseInt((String) model.getValueAt(i, 3));
} else {
pl = 1;
}
} else {
pl = 1;
}

scheduler.addRow(new Row(process, at, bt, pl));
}

scheduler.process();

for (int i = 0; i < model.getRowCount(); i++) {
String process = (String) model.getValueAt(i, 0);
Row row = scheduler.getRow(process);
model.setValueAt(row.getWaitingTime(), i, 4);
model.setValueAt(row.getTurnaroundTime(), i, 5);
model.setValueAt(row.getResponseTime(), i, 6);
}

wtResultLabel.setText(Double.toString(scheduler.getAverageWaitingTime()));
tatResultLabel.setText(Double.toString(scheduler.getAverageTurnAroundTime()));
rtResultLabel.setText(Double.toString(scheduler.getAverageResponseTime()));

chartPanel.setTimeline(scheduler.getTimeline());
}
});

mainPanel = new JPanel(null);
mainPanel.setPreferredSize(new Dimension(500, 525));
mainPanel.add(tablePane);
mainPanel.add(addBtn);
mainPanel.add(removeBtn);
mainPanel.add(chartPane);
mainPanel.add(wtLabel);
mainPanel.add(tatLabel);
mainPanel.add(rtLabel);
mainPanel.add(wtResultLabel);
mainPanel.add(tatResultLabel);
mainPanel.add(rtResultLabel);
mainPanel.add(option);
mainPanel.add(computeBtn);

frame = new JFrame("CPU Scheduler Simulator");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
frame.setResizable(false);
frame.add(mainPanel);
frame.pack();
}

public static void main(String[] args) {
new GUI();
}

class CustomPanel extends JPanel {
private List<Event> timeline;

@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);

if (timeline != null) {
int x = 30;
int y = 20;
// int width = 30;
for (int i = 0; i < timeline.size(); i++) {
Event event = timeline.get(i);
int width = event.getFinishTime() - event.getStartTime();

g.drawRect(x, y, width * 4, 30);
g.setFont(new Font("Segoe UI", Font.BOLD, 13));
g.drawString(event.getProcessName(), x + width * 2 - 3, y + 20);
g.setFont(new Font("Segoe UI", Font.PLAIN, 11));
g.drawString(Integer.toString(event.getStartTime()), x - 5, y + 45);

x += width * 4;
if (i == timeline.size() - 1) {
g.drawString(Integer.toString(event.getFinishTime()), x, y + 45);
}

// width += 30;
}

// this.setPreferredSize(new Dimension(width, 75));
}
}

public void setTimeline(List<Event> timeline) {
this.timeline = timeline;
repaint();
}
}
}