customlayoutdemo.java

来自「it contains the practical programs in ou」· Java 代码 · 共 51 行

package layout;

/*
 * CustomLayoutDemo.java requires one other file:
 *   DiagonalLayout.java
 */

import java.awt.Container;
import javax.swing.JButton;
import javax.swing.JFrame;

public class CustomLayoutDemo {
    public static void addComponentsToPane(Container pane) {
        pane.setLayout(new DiagonalLayout());

        pane.add(new JButton("Button 1"));
        pane.add(new JButton("Button 2"));
        pane.add(new JButton("Button 3"));
        pane.add(new JButton("Button 4"));
        pane.add(new JButton("Button 5"));
    }

    /**
     * Create the GUI and show it.  For thread safety,
     * this method should be invoked from the
     * event-dispatching thread.
     */
    private static void createAndShowGUI() {
        //Create and set up the window.
        JFrame frame = new JFrame("CustomLayoutDemo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        //Set up the content pane.
        addComponentsToPane(frame.getContentPane());

        //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();
            }
        });
    }
}