/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.updater;

import java.awt.*;
import javax.swing.*;
import java.io.*;
import java.beans.PropertyChangeListener;
import java.net.URL;
import java.util.ArrayList;
import java.util.Iterator;

/**
 *
 * @author  phrebejk, akemr
 * @version 
 */
public class UpdaterFrame extends javax.swing.JPanel {

    /** Operating system is Windows x */
    public static final int OS_WIN = 1;
    /** Operating system is Solaris. */
    public static final int OS_SOLARIS = 8;
    /** Operating system is Linux. */
    public static final int OS_LINUX = 16;
    /** Operating system is OS/2. */
    public static final int OS_OS2 = 1024;
    /** Operating system is unknown. */
    public static final int OS_OTHER = 65536;
    
    private static final String SPLASH_PATH = "org/netbeans/updater/resources/updatersplash"; // NOI18N
    private static final String UNDERLINE = "_";

    private static UpdaterFrame panel;

    private static boolean bigBounds = false;

    private static ModuleUpdater mu = null;
    
    private static boolean fromIDE = false;
    
    private static Window splashWindow;
    
    /** For external running Updater without GUI */
    private static boolean nongui = false;
    
    /** Creates new form UpdaterFrame */
    public UpdaterFrame() {
        initComponents ();
        
        if ( addBorder() )
            setBorder(new javax.swing.border.LineBorder(new java.awt.Color(0, 0, 0)));
        
        loadSplash();
    }
    
    static final void center(Window c) {
        c.pack();

        GraphicsConfiguration gconf = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
        Rectangle bounds = gconf.getBounds();
        Dimension dialogSize = c.getSize();
        
        c.setLocation(bounds.x + (bounds.width - dialogSize.width) / 2,
                    bounds.y + (bounds.height - dialogSize.height) / 2);
    }

    static String getMainWindowTitle() {
        return Localization.getBrandedString("UpdaterFrame.Form.title");
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the FormEditor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        java.awt.GridBagConstraints gridBagConstraints;

        jLabel3 = new javax.swing.JLabel();
        jTextArea1 = new javax.swing.JTextArea();
        textLabel = new javax.swing.JLabel();
        progressBar = new javax.swing.JProgressBar();

        setLayout(new java.awt.GridBagLayout());

        setBorder(new javax.swing.border.EmptyBorder(new java.awt.Insets(0, 0, 0, 0)));
        setBackground(stringToColor("UpdaterFrame.TextBackground", new Color(0, 33, 173)));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        add(jLabel3, gridBagConstraints);

        jTextArea1.setBackground(new java.awt.Color(213, 204, 187));
        jTextArea1.setEditable(false);
        jTextArea1.setForeground(stringToColor("UpdaterFrame.TextForeground", java.awt.Color.white));
        jTextArea1.setText(Localization.getBrandedString( "UpdaterFrame.jTextArea1.text" ));
        jTextArea1.setDisabledTextColor(java.awt.Color.white);
        jTextArea1.setOpaque(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(8, 14, 0, 14);
        add(jTextArea1, gridBagConstraints);

        textLabel.setFont(new java.awt.Font("Dialog", 1, 11));
        textLabel.setForeground(stringToColor("UpdaterFrame.TextForeground", java.awt.Color.white));
        textLabel.setText(Localization.getBrandedString("UpdaterFrame.textLabel.text"));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(8, 14, 8, 14);
        add(textLabel, gridBagConstraints);

        progressBar.setPreferredSize(new java.awt.Dimension(300, 20));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(5, 14, 10, 14);
        add(progressBar, gridBagConstraints);

    }//GEN-END:initComponents

    private static void showSplash () {
        
        if ((getOperatingSystem () == OS_WIN) ||
            (getOperatingSystem () == OS_SOLARIS) ||
            (getOperatingSystem () == OS_OS2) ||
            (getOperatingSystem () == OS_LINUX)) {
            // only some systems supports non-frame windows
            splashWindow = new SplashWindow();
        } else {        
            splashWindow = (Window)new SplashFrame();
        }

        // show splash
        javax.swing.SwingUtilities.invokeLater( 
                    new Runnable() {
                        public void run() {
                            splashWindow.show ();
                            splashWindow.toFront ();
                        }
                    });
    }
    
    /**
    * @param args the command line arguments
    */
    public static void main (String args[]) {
        if ( args.length > 0 && args[0].equals( "-nodisplay" ) )  // NOI18N
            nongui = true;
        else {
            panel = new UpdaterFrame ();
            showSplash();
        }

        mu = new ModuleUpdater();
        mu.start();

    }

    public static void runFromIDE ( File[] files, PropertyChangeListener listener ) {

        fromIDE = true;        
        panel = new UpdaterFrame ();
        panel.addPropertyChangeListener( listener );
        showSplash();
        
        mu = new ModuleUpdater();
        mu.setInstallOnly (files);
        mu.start();
    }

    void unpackingFinished() {
        runningFinished();
        /*
        ClassRunner runner = new ClassRunner(); 
        runner.start();
        */
    }

    void runningFinished() {
        if ( fromIDE ) {
            firePropertyChange("FINISHED", null, null);
            splashWindow.dispose();
        }
        else
            System.exit( 0 );
    }
    
    /** Tells the Localization class whether we are running from IDE or not
     */    
    boolean isFromIde() {
        return fromIDE;
    }


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel3;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JProgressBar progressBar;
    private javax.swing.JLabel textLabel;
    // End of variables declaration//GEN-END:variables


    static void setLabel( final String text ) {
        
        if ( nongui ) return;

        final javax.swing.JLabel label = panel.textLabel;

        javax.swing.SwingUtilities.invokeLater( new Runnable() {
                                                    public void run() {
                                                        label.setText( text );
                                                    }
                                                });

    }


    static void setProgressRange( final long min, final long max ) {
        
        if ( nongui ) return;

        bigBounds = max > 0xFFFF;

        final javax.swing.JProgressBar progressBar = panel.progressBar;
        final boolean bb = bigBounds;

        javax.swing.SwingUtilities.invokeLater( new Runnable() {
                                                    public void run() {
                                                        progressBar.setMinimum( bb ? (int)(min / 1024) : (int)min );
                                                        progressBar.setMaximum( bb ? (int)(max / 1024) : (int)max );
                                                    }
                                                });

    }

    static void setProgressValue( final long value ) {
        
        if ( nongui ) return;

        final javax.swing.JProgressBar progressBar = panel.progressBar;
        final boolean bb = bigBounds;

        javax.swing.SwingUtilities.invokeLater( new Runnable() {
                                                    public void run() {
                                                        progressBar.setValue( bb ? (int)(value / 1024) : (int)value );
                                                    }
                                                });
    }
    
    /** Get the operating system on which the IDE is running.
    * @return one of the OS_* constants (such as {@link #OS_WINNT})
    */
    public static final int getOperatingSystem () {
        int operatingSystem = -1;
        String osName = System.getProperty ("os.name");
        if ( osName != null && osName.startsWith("Windows")) // NOI18N
            operatingSystem = OS_WIN;
        else if ("Solaris".equals (osName)) // NOI18N
            operatingSystem = OS_SOLARIS;
        else if (osName.startsWith ("SunOS")) // NOI18N
            operatingSystem = OS_SOLARIS;
        else if ("Linux".equals (osName)) // NOI18N
            operatingSystem = OS_LINUX;
        else if ("OS/2".equals (osName)) // NOI18N
            operatingSystem = OS_OS2;
        else
            operatingSystem = OS_OTHER;
        return operatingSystem;
    }
    
    /** Getter for property fromIDE.
     * @return Value of property fromIDE.
     */
    static boolean isFromIDE() {
        return fromIDE;
    }

    static UpdaterFrame getUpdaterFrame() {
        return panel;
    }
    
    private Color stringToColor( String key, Color defcolor ) {
        try {
            String str = Localization.getBrandedString( key + "_R" );  // NOI18N
            int re = Integer.parseInt( str );
            
            str = Localization.getBrandedString( key + "_G" );  // NOI18N
            int gr = Integer.parseInt( str );
            
            str = Localization.getBrandedString( key + "_B" );  // NOI18N
            int bl = Integer.parseInt( str );
            
            return new Color ( re, gr, bl );
        } catch ( Exception e ) {
            return defcolor;
        }
    }
    
    private boolean addBorder() {
        return "true".equals( Localization.getBrandedString( "UpdaterFrame.hasBorder" ) ); // NOI18N
    }
    
    
    private void loadSplash() {
        URL lookup = Localization.getBrandedResource( SPLASH_PATH, ".gif" ); // NOI18N
        if ( lookup != null )
            jLabel3.setIcon( new ImageIcon( lookup ) );
    }
        
    static class SplashFrame extends JFrame {
        
        /** Creates a new SplashFrame */
        public SplashFrame () {
            super (getMainWindowTitle ());
            setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
            setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
            // add splash component
            getContentPane().add(panel);
            center(this);
        }
        
        public java.awt.Dimension getPreferredSize () {
            return new java.awt.Dimension (400, 280);
        }
    }
    
    static class SplashWindow extends Window {
        /** Creates a new SplashWindow */
        public SplashWindow () {
            super(new Frame());
            // add splash component
            setLayout (new java.awt.BorderLayout ());
            add(panel, java.awt.BorderLayout.CENTER);
            center(this);
        }

        public java.awt.Dimension getPreferredSize () {
            return new java.awt.Dimension (400, 280);
        }        
    }
    
}