spscreen.java

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/*
 * @author  Reghu
 * @version 1.0
 *
 * Development Environment        :  Oracle9i JDeveloper
 * Name of the Application        :  SPScreen.java
 * Creation/Modification History  :
 *
 * Reghu             17-March-2003    Created
 *
 */
package oracle.otnsamples.vsm.client;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Rectangle;
import java.awt.Toolkit;

import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JWindow;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;


/**
 * This file displays the splash screen of the admin utility of the 
 * VSM application.
 *
 * @author Reghu
 * @version 1.0
 */
public class SPScreen extends JWindow {

  private JLabel footer = new JLabel();
  private JLabel header = new JLabel();
  private JLabel label    = new JLabel();
  private JPanel content    = new JPanel();
  private JProgressBar pbar = new JProgressBar();

  /**
   * Creates a new SPScreen object and initializes the UI.
   */
  public SPScreen() {

    try {
      jbInit();
    } catch(Exception e) {
      e.printStackTrace();
    }
  }

  /**
   *  Initialize all the GUI components and the layout
   * @exception Exception
   */
  private void jbInit() throws Exception {
    this.getContentPane().setLayout(null);
    this.setSize(new Dimension(300, 269));
    content.setBounds(new Rectangle(0, 0, 300, 270));
    content.setBorder(BorderFactory.createLineBorder(
                                                     new Color(131, 131, 87), 5));
    content.setLayout(null);
    footer.setText("Oracle Technology Network http://otn.oracle.com");
    footer.setFont(new Font("Sans-Serif", Font.BOLD, 12));
    footer.setBounds(new Rectangle(5, 240, 290, 20));
    footer.setForeground(Color.blue);
    footer.setHorizontalAlignment(SwingConstants.CENTER);
    footer.setHorizontalTextPosition(SwingConstants.CENTER);
    pbar.setBounds(new Rectangle(10, 220, 280, 10));
    pbar.setForeground(new Color(162, 60, 76));
    header.setBounds(new Rectangle(10, 20, 275, 160));
    header.setHorizontalAlignment(SwingConstants.CENTER);

    header.setIcon(new ImageIcon(getClass().getClassLoader().getResource("adminLogo.gif")));

    content.add(label, null);
    content.add(header, null);
    content.add(pbar, null);
    content.add(footer, null);
    this.getContentPane().add(content, null);

    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize  = this.getSize();
    label.setFont(new Font("Book Antiqua", 1, 12));
    label.setBounds(new Rectangle(10, 195, 75, 15));
    label.setText("Loading...");
    content.setBackground(new Color(223, 223, 191));

    if(frameSize.height > screenSize.height) {
      frameSize.height = screenSize.height;
    }

    if(frameSize.width > screenSize.width) {
      frameSize.width = screenSize.width;
    }

    this.setLocation(
                     (screenSize.width - frameSize.width) / 2,
                     (screenSize.height - frameSize.height) / 2);

    for(int i = 0; i <= 100; i++) {
      final int percent = i;

      try {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
              pbar.setValue(percent);
              setVisible(true);
            }
          });
        java.lang.Thread.sleep(20);
      } catch(InterruptedException e) {
        ;
      }
    }

    // Display it
    setVisible(true);

    // Wait a little while, maybe while loading resources
    try {
      Thread.sleep(800);
    } catch(Exception e) {
    }

    this.setVisible(false);
    this.dispose();
  }
}