Mega Code Archive
Spring Demo 3
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/* From http://java.sun.com/docs/books/tutorial/index.html */
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* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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import java.awt.Container;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.SpringLayout;
public class SpringDemo3 {
/**
* Create the GUI and show it. For thread safety, this method should be
* invoked from the event-dispatching thread.
*/
private static void createAndShowGUI() {
//Make sure we have nice window decorations.
JFrame.setDefaultLookAndFeelDecorated(true);
//Create and set up the window.
JFrame frame = new JFrame("SpringDemo3");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Set up the content pane.
Container contentPane = frame.getContentPane();
SpringLayout layout = new SpringLayout();
contentPane.setLayout(layout);
//Create and add the components.
JLabel label = new JLabel("Label: ");
JTextField textField = new JTextField("Text field", 15);
contentPane.add(label);
contentPane.add(textField);
//Adjust constraints for the label so it's at (5,5).
layout.putConstraint(SpringLayout.WEST, label, 5, SpringLayout.WEST,
contentPane);
layout.putConstraint(SpringLayout.NORTH, label, 5, SpringLayout.NORTH,
contentPane);
//Adjust constraints for the text field so it's at
//(<label's right edge> + 5, 5).
layout.putConstraint(SpringLayout.WEST, textField, 5,
SpringLayout.EAST, label);
layout.putConstraint(SpringLayout.NORTH, textField, 5,
SpringLayout.NORTH, contentPane);
//Adjust constraints for the content pane: Its right
//edge should be 5 pixels beyond the text field's right
//edge, and its bottom edge should be 5 pixels beyond
//the bottom edge of the tallest component (which we'll
//assume is textField).
layout.putConstraint(SpringLayout.EAST, contentPane, 5,
SpringLayout.EAST, textField);
layout.putConstraint(SpringLayout.SOUTH, contentPane, 5,
SpringLayout.SOUTH, textField);
//Display the window.
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args) {
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}
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