deyou
56 lines
1.6 KiB
Java
56 lines
1.6 KiB
Java
package text;
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import java.awt.BorderLayout;
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import java.awt.GridLayout;
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import javax.swing.JButton;
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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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import javax.swing.JPasswordField;
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import javax.swing.JScrollPane;
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import javax.swing.JTextArea;
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import javax.swing.JTextField;
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import javax.swing.SwingConstants;
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/**
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* A frame with sample text components.
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*/
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public class TextComponentFrame extends JFrame
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{
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public static final int TEXTAREA_ROWS = 8;
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public static final int TEXTAREA_COLUMNS = 20;
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public TextComponentFrame()
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{
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JTextField textField = new JTextField();
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JPasswordField passwordField = new JPasswordField();
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JPanel northPanel = new JPanel();
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northPanel.setLayout(new GridLayout(2, 2));
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northPanel.add(new JLabel("User name: ", SwingConstants.RIGHT));
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northPanel.add(textField);
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northPanel.add(new JLabel("Password: ", SwingConstants.RIGHT));
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northPanel.add(passwordField);
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add(northPanel, BorderLayout.NORTH);
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JTextArea textArea = new JTextArea(TEXTAREA_ROWS, TEXTAREA_COLUMNS);
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JScrollPane scrollPane = new JScrollPane(textArea);
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add(scrollPane, BorderLayout.CENTER);
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// add button to append text into the text area
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JPanel southPanel = new JPanel();
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JButton insertButton = new JButton("Insert");
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southPanel.add(insertButton);
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insertButton.addActionListener(event ->
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textArea.append("User name: " + textField.getText() + " Password: "
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+ new String(passwordField.getPassword()) + "\n"));
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add(southPanel, BorderLayout.SOUTH);
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pack();
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}
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} |