52 lines
1.4 KiB
Java
52 lines
1.4 KiB
Java
package comboBox;
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import java.awt.BorderLayout;
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import java.awt.Font;
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import javax.swing.JComboBox;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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/**
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* A frame with a sample text label and a combo box for selecting font faces.
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*/
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public class ComboBoxFrame extends JFrame
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{
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private JComboBox<String> faceCombo;
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private JLabel label;
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private static final int DEFAULT_SIZE = 24;
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public ComboBoxFrame()
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{
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// add the sample text label
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label = new JLabel("The quick brown fox jumps over the lazy dog.");
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label.setFont(new Font("Serif", Font.PLAIN, DEFAULT_SIZE));
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add(label, BorderLayout.CENTER);
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// make a combo box and add face names
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faceCombo = new JComboBox<>();
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faceCombo.addItem("Serif");
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faceCombo.addItem("SansSerif");
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faceCombo.addItem("Monospaced");
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faceCombo.addItem("Dialog");
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faceCombo.addItem("DialogInput");
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// the combo box listener changes the label font to the selected face name
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faceCombo.addActionListener(event ->
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label.setFont(
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new Font(faceCombo.getItemAt(faceCombo.getSelectedIndex()),
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Font.PLAIN, DEFAULT_SIZE)));
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// add combo box to a panel at the frame's southern border
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JPanel comboPanel = new JPanel();
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comboPanel.add(faceCombo);
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add(comboPanel, BorderLayout.SOUTH);
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pack();
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}
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}
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