Hyperlink Label : JLabel « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JLabel

import java.awt.Color;
import java.awt.Cursor;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JLabel;

public class JHyperlinkLabel extends JLabel {
  private Color underlineColor = null;

  public JHyperlinkLabel(String label) {
    super(label);

    setForeground(Color.BLUE.darker());
    setCursor(new Cursor(Cursor.HAND_CURSOR));
    addMouseListener(new HyperlinkLabelMouseAdapter());
  }

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

    g.setColor(underlineColor == null ? getForeground() : underlineColor);

    Insets insets = getInsets();

    int left = insets.left;
    if (getIcon() != null)
      left += getIcon().getIconWidth() + getIconTextGap();

    g.drawLine(left, getHeight() - 1 - insets.bottom, (int) getPreferredSize().getWidth()
        - insets.right, getHeight() - 1 - insets.bottom);
  }

  public class HyperlinkLabelMouseAdapter extends MouseAdapter {
    @Override
    public void mouseClicked(MouseEvent e) {
      System.out.println(getText());
    }
  }

  public Color getUnderlineColor() {
    return underlineColor;
  }

  public void setUnderlineColor(Color underlineColor) {
    this.underlineColor = underlineColor;
  }
}

14.3.JLabel
	14.3.1.	JLabel
	14.3.2.	Create JLabel component
	14.3.3.	Create a JLabel with an image icon
	14.3.4.	JLabel is for displaying text, images or both. It does not react to input events.
	14.3.5.	Horizontal Alignment: CENTER
	14.3.6.	Vertical Alignment: CENTER
	14.3.7.	Horizontal Alignment: LEFT
	14.3.8.	Vertical Alignment: TOP
	14.3.9.	Horizontal Alignment: RIGHT
	14.3.10.	Vertical Alignment: BOTTOM
	14.3.11.	The text is horizontally and vertically centered
	14.3.12.	The text is right-justified and vertically centered
	14.3.13.	The text is left-justified and top-aligned
	14.3.14.	The text is right-justified and top-aligned
	14.3.15.	The text is left-justified and bottom-aligned
	14.3.16.	The text is right-justified and bottom-aligned
	14.3.17.	Add Icon to JLabel
	14.3.18.	Mix Icon and text in JLabel
	14.3.19.	Set Font and foreground color for a JLabel
	14.3.20.	Load image from disk file and add it to a JLabel
	14.3.21.	Using JLabel Mnemonics: Interconnect a specific JLabel and JTextField.
	14.3.22.	Using a JLabel and pass in HTML for the text
	14.3.23.	Multiline label (HTML)
	14.3.24.	JLabel with more than one row
	14.3.25.	A simple Bean which extends JLabel
	14.3.26.	Add JLabel to JScrollPane
	14.3.27.	Disable a label
	14.3.28.	Unicode with Label
	14.3.29.	Customizing a JLabel Look and Feel
	14.3.30.	Associate JLabel component with a JTextField
	14.3.31.	Setting the Focus of a JTextField Component Using a JLabel Component
	14.3.32.	JLabel with lined border
	14.3.33.	A Label that uses inline HTML to format its text
	14.3.34.	A label with no indication it has been clicked
	14.3.35.	Adding Drag-and-Drop Support to a JLabel Component
	14.3.36.	Have a Label with underlined text
	14.3.37.	Multi Line Label
	14.3.38.	Vertical Label UI
	14.3.39.	Time panel shows the current time.
	14.3.40.	URL Label
	14.3.41.	Hyperlink Label
	14.3.42.	Gradient Label