Hyperlink Label : JLabel « Swing « Java Tutorial






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 JLabelAdd Icon to JLabel
14.3.18.Mix Icon and text in JLabelMix Icon and text in JLabel
14.3.19.Set Font and foreground color for a JLabelSet Font and foreground color for a JLabel
14.3.20.Load image from disk file and add it to a JLabelLoad image from disk file and add it to a JLabel
14.3.21.Using JLabel Mnemonics: Interconnect a specific JLabel and JTextField.Using JLabel Mnemonics: Interconnect a specific JLabel and JTextField.
14.3.22.Using a JLabel and pass in HTML for the textUsing 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