Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;

public class Main extends JFrame {
    private JTabbedPane tp;
    private int tabCounter = 0;

    public Main() {
        super("Browser");
        setDefaultCloseOperation(EXIT_ON_CLOSE);

        JMenuBar mb = new JMenuBar();
        JMenu mFile = new JMenu("File");
        JMenuItem mi = new JMenuItem("Add Tab");
        ActionListener addTabl = new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                addTab();
            }
        };
        mi.addActionListener(addTabl);
        mFile.add(mi);
        mb.add(mFile);
        setJMenuBar(mb);

        JPanel pnlURL = new JPanel();
        tp = new JTabbedPane();
        addTab();
        add(tp, BorderLayout.CENTER);
        setSize(300, 300);
        setVisible(true);
    }

    void addTab() {
        JEditorPane ep = new JEditorPane();
        ep.setEditable(false);
        tp.addTab(null, new JScrollPane(ep));

        JButton tabCloseButton = new JButton("Close");
        tabCloseButton.setActionCommand("" + tabCounter);

        ActionListener al;
        al = new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                JButton btn = (JButton) ae.getSource();
                String s1 = btn.getActionCommand();
                for (int i = 1; i < tp.getTabCount(); i++) {
                    JPanel pnl = (JPanel) tp.getTabComponentAt(i);
                    btn = (JButton) pnl.getComponent(0);
                    String s2 = btn.getActionCommand();
                    if (s1.equals(s2)) {
                        tp.removeTabAt(i);
                        break;
                    }
                }
            }
        };
        tabCloseButton.addActionListener(al);

        if (tabCounter != 0) {
            JPanel pnl = new JPanel();
            pnl.setOpaque(false);
            pnl.add(tabCloseButton);
            tp.setTabComponentAt(tp.getTabCount() - 1, pnl);
            tp.setSelectedIndex(tp.getTabCount() - 1);
        }

        tabCounter++;
    }

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

    }
}