Fonts exercise: a font chooser : Font « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. Font

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

import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class FontStyleSizeFamilyChooser extends JFrame {
  public static void main(String[] args) {
    new FontStyleSizeFamilyChooser();
  }

  private JLabel sampleText = new JLabel("Label");

  private JComboBox fontComboBox;

  private JComboBox sizeComboBox;

  private JCheckBox boldCheck, italCheck;

  private String[] fonts;

  public FontStyleSizeFamilyChooser() {
    this.setSize(500, 150);
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    FontListener fl = new FontListener();
    this.add(sampleText, BorderLayout.NORTH);
    GraphicsEnvironment g = GraphicsEnvironment.getLocalGraphicsEnvironment();
    fonts = g.getAvailableFontFamilyNames();

    JPanel controlPanel = new JPanel();
    fontComboBox = new JComboBox(fonts);
    fontComboBox.addActionListener(fl);
    controlPanel.add(new JLabel("Family: "));
    controlPanel.add(fontComboBox);

    Integer[] sizes = { 7, 8, 9, 10, 11, 12, 14, 18, 20, 22, 24, 36 };

    sizeComboBox = new JComboBox(sizes);
    sizeComboBox.setSelectedIndex(5);
    sizeComboBox.addActionListener(fl);
    controlPanel.add(new JLabel("Size: "));
    controlPanel.add(sizeComboBox);

    boldCheck = new JCheckBox("Bold");
    boldCheck.addActionListener(fl);
    controlPanel.add(boldCheck);

    italCheck = new JCheckBox("Ital");
    italCheck.addActionListener(fl);
    controlPanel.add(italCheck);

    this.add(controlPanel, BorderLayout.SOUTH);
    fl.updateText();

    this.setVisible(true);
  }

  private class FontListener implements ActionListener {
    public void actionPerformed(ActionEvent e) {
      updateText();
    }

    public void updateText() {
      String name = (String) fontComboBox.getSelectedItem();

      Integer size = (Integer) sizeComboBox.getSelectedItem();

      int style;
      if (boldCheck.isSelected() && italCheck.isSelected())
        style = Font.BOLD | Font.ITALIC;
      else if (boldCheck.isSelected())
        style = Font.BOLD;
      else if (italCheck.isSelected())
        style = Font.ITALIC;
      else
        style = Font.PLAIN;

      Font f = new Font(name, style, size.intValue());
      sampleText.setFont(f);
    }
  }
}

16.23.Font
	16.23.1.	java.awt.Font
	16.23.2.	Creating Serif Font
	16.23.3.	Create Bold and Italic font
	16.23.4.	Show fonts with mouse click
	16.23.5.	To change the size and/or style of a font, you call its deriveFont() method
	16.23.6.	Display font info.
	16.23.7.	To get all available fonts in your system
	16.23.8.	To get the font names
	16.23.9.	Show all Fonts installed in your system
	16.23.10.	Fonts exercise: a font chooser
	16.23.11.	Display font in a grid
	16.23.12.	Create font from true type font
	16.23.13.	System fonts display