Membuat Tombol Close TabbedPane

ClExitTab.java

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import javax.swing.*;

@SuppressWarnings("serial")
public class ClExitTab extends JTabbedPane{
	private TabCloseUI closeUI = new TabCloseUI(this);
	
	public void paint(Graphics g){
		super.paint(g);
		closeUI.paint(g);
	}
	
	public void addTab(String title, Component component) {
		super.addTab(title+"  ", component);
	}
	
	
	public String getTabTitleAt(int index) {
		return super.getTitleAt(index).trim();
	}
	
	private class TabCloseUI implements MouseListener, MouseMotionListener {
		private ClExitTab  tabbedPane;
		private int closeX = 0 ,closeY = 0, meX = 0, meY = 0;
		private int selectedTab;
		private final int  width = 8, height = 8;
		private Rectangle rectangle = new Rectangle(0,0,width, height);
		@SuppressWarnings("unused")
		private TabCloseUI(){}
		public TabCloseUI(ClExitTab pane) {
			
			tabbedPane = pane;
			tabbedPane.addMouseMotionListener(this);
			tabbedPane.addMouseListener(this);
		}
		public void mouseEntered(MouseEvent me) {}
		public void mouseExited(MouseEvent me) {}
		public void mousePressed(MouseEvent me) {}
		public void mouseClicked(MouseEvent me) {}
		public void mouseDragged(MouseEvent me) {}
		
		

		public void mouseReleased(MouseEvent me) {
			if(closeUnderMouse(me.getX(), me.getY())){
				boolean isToCloseTab = tabAboutToClose(selectedTab);
				if (isToCloseTab && selectedTab > -1){			
					tabbedPane.removeTabAt(selectedTab);
				}
				selectedTab = tabbedPane.getSelectedIndex();
			}
		}

		public void mouseMoved(MouseEvent me) {	
			meX = me.getX();
			meY = me.getY();			
			if(mouseOverTab(meX, meY)){
				controlCursor();
				tabbedPane.repaint();
			}
		}

		private void controlCursor() {
			if(tabbedPane.getTabCount()>0)
				if(closeUnderMouse(meX, meY)){
					tabbedPane.setCursor(new Cursor(Cursor.HAND_CURSOR));	
					if(selectedTab > -1)
						tabbedPane.setToolTipTextAt(selectedTab, "Close " +tabbedPane.getTitleAt(selectedTab));
				}
				else{
					tabbedPane.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
					if(selectedTab > -1)
						tabbedPane.setToolTipTextAt(selectedTab,"");
				}	
		}

		private boolean closeUnderMouse(int x, int y) {		
			rectangle.x = closeX;
			rectangle.y = closeY;
			return rectangle.contains(x,y);
		}

		public void paint(Graphics g) {
			
			int tabCount = tabbedPane.getTabCount();
			for(int j = 0; j < tabCount; j++)
				if(tabbedPane.getComponent(j).isShowing()){			
					int x = tabbedPane.getBoundsAt(j).x + tabbedPane.getBoundsAt(j).width -width-5;
					int y = tabbedPane.getBoundsAt(j).y +5;	
					drawClose(g,x,y);
					break;
				}
			if(mouseOverTab(meX, meY)){
				drawClose(g,closeX,closeY);
			}
		}

		private void drawClose(Graphics g, int x, int y) {
			if(tabbedPane != null && tabbedPane.getTabCount() > 0){
				Graphics2D g2 = (Graphics2D)g;				
				drawColored(g2, isUnderMouse(x,y)? Color.RED : Color.WHITE, x, y);
			}
		}

		private void drawColored(Graphics2D g2, Color color, int x, int y) {
			g2.setStroke(new BasicStroke(5,BasicStroke.JOIN_ROUND,BasicStroke.CAP_ROUND));
			g2.setColor(Color.BLACK);
			g2.drawLine(x, y, x + width, y + height);
			g2.drawLine(x + width, y, x, y + height);
			g2.setColor(color);
			g2.setStroke(new BasicStroke(3, BasicStroke.JOIN_ROUND, BasicStroke.CAP_ROUND));
			g2.drawLine(x, y, x + width, y + height);
			g2.drawLine(x + width, y, x, y + height);

		}

		private boolean isUnderMouse(int x, int y) {
			if(Math.abs(x-meX)<width && Math.abs(y-meY)<height )
				return  true;		
			return  false;
		}

		private boolean mouseOverTab(int x, int y) {
			int tabCount = tabbedPane.getTabCount();
			for(int j = 0; j < tabCount; j++)
				if(tabbedPane.getBoundsAt(j).contains(meX, meY)){
					selectedTab = j;
					closeX = tabbedPane.getBoundsAt(j).x + tabbedPane.getBoundsAt(j).width -width-5;
					closeY = tabbedPane.getBoundsAt(j).y +5;					
					return true;
				}
			return false;
		}

	}

	public boolean tabAboutToClose(int tabIndex) {
		return true;
	}

	
}

frameExitTab.java

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.UIManager;

@SuppressWarnings("serial")
public class frameExitTab extends JFrame {

	private JPanel contentPane;
	private JMenuBar menuBar;
	private JMenu mnFile;
	private JMenuItem tabBaru;
	private JMenuItem miDeleteTab;
	private JPanel panel1;
	ImageIcon  iconTab;
	private JLabel lblWall;
	private ClExitTab tabbedPane;

	/**
	 * Create the frame.
	 */
	public frameExitTab() {
		setTitle("Exit Button TabbedPane");
		setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 756, 501);
		
		menuBar = new JMenuBar();
		setJMenuBar(menuBar);
		
		mnFile = new JMenu("File");
		menuBar.add(mnFile);
		
		tabBaru = new JMenuItem("New Tab");
		tabBaru.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/exitButtonTab/newTab.png"));
		tabBaru.addActionListener(new exitButtonTabAct());
		mnFile.add(tabBaru);
		
		miDeleteTab = new JMenuItem("Delete Tab");
		miDeleteTab.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/exitButtonTab/deleteTab.png"));
		miDeleteTab.addActionListener(new exitButtonTabAct());
		mnFile.add(miDeleteTab);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		tabbedPane = new ClExitTab();
		tabbedPane.setBounds(0, 0, 754, 470);
		contentPane.add(tabbedPane);
		
		iconTab = new ImageIcon("src/exitButtonTab/newTab.png");
		panel1 = new JPanel();
		tabbedPane.addTab("New tab", iconTab, panel1, null);
		panel1.setLayout(null);
		
		lblWall = new JLabel("");
		lblWall.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/exitButtonTab/wall.jpg"));
		lblWall.setBounds(0, -14, 754, 434);
		panel1.add(lblWall);
		setLocationRelativeTo(null);
	}
	
	public class exitButtonTabAct implements ActionListener
	{
		@Override
		public void actionPerformed(ActionEvent act) {
			// TODO Auto-generated method stub
			String tab = act.getActionCommand();
			if(tab.equals("New Tab"))
			{
				tab = "New Tab";
				if(!tab.equals(""))
				{
					JPanel panel2 = new JPanel();
					JLabel lbl = new JLabel();
					lbl.setIcon(new ImageIcon("/home/resa/Aplikasi Java/SwingJava/src/exitButtonTab/wall.jpg"));
					panel2.add(lbl);
					tabbedPane.addTab("New tab", iconTab, panel2, null);
				}
			}
			else if(tab.equals("Delete Tab"))
			{
				tabbedPane.remove(tabbedPane.getTabCount()-1);
			}
			
		}
		
	}

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
					frameExitTab frame = new frameExitTab();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}
}