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Attend2.java
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Attend2.java
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import java.awt.Color;
import java.awt.Cursor;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileWriter;
import java.util.Scanner;
import java.awt.FocusTraversalPolicy;
import javax.swing.ButtonGroup;
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.JPasswordField;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class Attend2 extends JFrame{
String[] stuname;
String[] sturno;
String[] studate;
int rcnt=0;
Attend2(){
JPanel p0=new JPanel();
p0.setLayout(null);
try {
File f1=new File("/home/sarathmohan/Documents/Attendance Management System/Attend1.txt");
Scanner rd=new Scanner(f1);
rd.useDelimiter("\\n|,");
while(rd.hasNextLine()) {
rcnt++;
rd.nextLine();
}
rd.close();
stuname=new String[rcnt];
sturno=new String[rcnt];
studate=new String[rcnt];
Scanner sc=new Scanner(f1);
sc.useDelimiter("\\n|,");
for(int i=0;i<rcnt;i++) {
sturno[i]=sc.next();
stuname[i]=sc.next();
studate[i]=sc.next();
}
sc.close();
}
catch(Exception f) {
JOptionPane.showMessageDialog(null,f);
}
JPanel p1=new JPanel();
p1.setLayout(new GridLayout(rcnt,4,10,0));
JScrollPane l0=new JScrollPane(p1);
l0.setBounds(5,30,440,300);
l0.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
JLabel q1=new JLabel("Roll no.");
q1.setBounds(30,5,60,20);
JLabel q2=new JLabel("Name");
q2.setBounds(140,5,60,20);
JLabel q3=new JLabel("Present");
q3.setBounds(240,5,60,20);
JLabel q4=new JLabel("Absent");
q4.setBounds(354,5,60,20);
JButton q5=new JButton("Submit");
q5.setBounds(180,333,100,30);
JLabel l1;
JLabel l2;
JRadioButton[] l3=new JRadioButton[rcnt];
JRadioButton[] l4=new JRadioButton[rcnt];
ButtonGroup[] l5=new ButtonGroup[rcnt];
for(int i=0;i<rcnt;i++) {
l1=new JLabel(sturno[i]);
l1.setHorizontalAlignment(JLabel.CENTER);
p1.add(l1);
l2=new JLabel(stuname[i]);
l2.setHorizontalAlignment(JLabel.CENTER);
p1.add(l2);
l3[i]=new JRadioButton();
l3[i].setHorizontalAlignment(JLabel.CENTER);
l4[i]=new JRadioButton();
l4[i].setHorizontalAlignment(JLabel.CENTER);
l5[i]=new ButtonGroup();
l5[i].add(l3[i]);l5[i].add(l4[i]);
p1.add(l3[i]);
p1.add(l4[i]);
}
q5.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(e.getSource()==q5) {
boolean check=true;
for(int i=0;i<rcnt;i++) {
try {
File f2=new File("/home/sarathmohan/Documents/Attendance Management System/Attend2.txt");
FileWriter fw=new FileWriter(f2,true);
String rno=sturno[i];
String name=stuname[i];
String attend;
String date=studate[i];
if(l3[i].isSelected() && !(l4[i].isSelected())) {
attend="Present";
}
else if(!(l3[i].isSelected()) && l4[i].isSelected()) {
attend="Absent";
}
else {
JOptionPane.showMessageDialog(null,"Error ! Enter all student's attendance !");
check=false;
break;
}
String total=rno+","+name+","+attend+","+date+"\n";
fw.write(total);
fw.close();
}
catch(Exception f) {
JOptionPane.showMessageDialog(null,f);
}
}
try {
File f3=new File("/home/sarathmohan/Documents/Attendance Management System/Attend1.txt");
FileWriter sc=new FileWriter(f3);
sc.write("");
sc.close();
}
catch(Exception g){
JOptionPane.showMessageDialog(null,g);
}
if(check) {
JOptionPane.showMessageDialog(null,"Attendance successfully uploaded !");
Attend1 ad=new Attend1();
ad.setSize(600,400);
ad.setLocationRelativeTo(null);
ad.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ad.setVisible(true);
ad.setResizable(false);
dispose();
}
}
}
});
p0.add(q1);
p0.add(q2);
p0.add(q3);
p0.add(q4);
p0.add(q5);
p0.add(l0);
JPanel p2=new JPanel(new GridLayout(6,1,0,10));
JLabel n1=new JLabel();
JButton n3=new JButton("Home");
n3.setForeground(Color.BLUE.darker());
n3.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
n3.setHorizontalAlignment(JLabel.CENTER);
n3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(e.getSource()==n3) {
Home ad=new Home();
ad.setSize(600,400);
ad.setLocationRelativeTo(null);
ad.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ad.setVisible(true);
ad.setResizable(false);
dispose();
}
}
});
JButton m1=new JButton("Upload Attendance");
m1.setForeground(Color.BLUE.darker());
m1.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
m1.setHorizontalAlignment(JLabel.CENTER);
m1.setBounds(400,50,130,50);
m1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(e.getSource()==m1) {
Attend1 ad=new Attend1();
ad.setSize(600,400);
ad.setLocationRelativeTo(null);
ad.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ad.setVisible(true);
ad.setResizable(false);
dispose();
}
}
});
JButton m2=new JButton("Student Average");
m2.setForeground(Color.BLUE.darker());
m2.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
m2.setHorizontalAlignment(JLabel.CENTER);
m2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(e.getSource()==m2) {
FStuAvg ad=new FStuAvg();
ad.setSize(600,400);
ad.setLocationRelativeTo(null);
ad.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ad.setVisible(true);
ad.setResizable(false);
dispose();
}
}
});
JButton m3=new JButton("Logout");
m3.setForeground(Color.BLUE.darker());
m3.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
m3.setHorizontalAlignment(JLabel.CENTER);
m3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(e.getSource()==m3) {
JOptionPane.showMessageDialog(null,"You have successfully been logged out !");
Home ad=new Home();
ad.setSize(600,400);
ad.setLocationRelativeTo(null);
ad.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ad.setVisible(true);
ad.setResizable(false);
dispose();
}
}
});
JLabel m4=new JLabel();
p2.add(n1);
p2.add(n3);
p2.add(m1);
p2.add(m2);
p2.add(m3);
p2.add(m4);
setLayout(null);
p0.setBounds(0,0,450,400);
p2.setBounds(450,-20,150,400);
add(p0);
add(p2);
}
}