source: trunk/src/org/expeditee/gui/Browser.java@ 10

package org.expeditee.gui;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Toolkit;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.awt.event.WindowStateListener;

import javax.swing.JFrame;

import org.expeditee.AbsoluteLayout;
import org.expeditee.actions.Actions;
import org.expeditee.actions.Misc;
import org.expeditee.io.Logger;

/**
 * The Main GUI class, comprises what people will see on the screen.<br>
 * Note: Each Object (Item) is responsible for drawing itself on the screen.<br>
 * Note2: The Frame is registered as a MouseListener and KeyListener, and
 * processes any Events.
 * 
 * @author jdm18
 * 
 */
public class Browser extends JFrame implements ComponentListener,
                WindowListener, WindowStateListener {
        
        /**
         * Default version - just to stop eclipse from complaining about it.
         */
        private static final long serialVersionUID = 1L;

        // private static final JScrollPane scrollPane = new JScrollPane();

        public static Browser _theBrowser;
        
        /**
         * Constructs a new Browser object, then launches it
         * 
         * @param args
         */
        public static void main(String[] args) {
                _theBrowser = new Browser();
                // Why do we want to ignore repaint?
                // b.setIgnoreRepaint(true);
                _theBrowser.requestFocus();
                // FrameGraphics.ForceRepaint();
        }
        
        public void setSizes(Dimension size) {
                setSize(size);
                setPreferredSize(size);
                addWindowListener(this);
                addWindowStateListener(this);

                // center the frame on the screen
                Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
                double xpos = screen.getWidth() / 2;
                double ypos = screen.getHeight() / 2;
                setLocation((int) (xpos - (size.getWidth() / 2)), (int) (ypos - (size
                                .getHeight() / 2)));

                FrameGraphics.setMaxSize(this.getContentPane().getSize());
        }

        public Browser() {
                // Use the default values initially so we can load the profile frame
                setSizes(new Dimension(UserSettings.InitialWidth,
                                UserSettings.InitialHeight));

                UserSettings.Init();
                UserSettings.Username = System.getProperty("user.name");
                Frame profile = FrameIO.LoadProfile(UserSettings.Username);
                if (profile == null) {
                        try {
                                profile = FrameIO.CreateNewProfile(UserSettings.Username);
                        } catch (Exception e) {
                                //TODO tell the user that there was a problem creating the profile frame and close nicely
                                assert(false);
                        }
                }
                FrameUtils.ParseProfile(profile);

                // Now reset the size of the windows to the size specified in the users
                // profile
                setSizes(new Dimension(UserSettings.InitialWidth,
                                UserSettings.InitialHeight));

                //set the layout to absolute layout for widgets
                this.getContentPane().setLayout(new AbsoluteLayout());
                //enable the glasspane-for capturing all mouse events
                this.setGlassPane(new MouseEventRouter(getJMenuBar(), getContentPane()));
                this.getGlassPane().setVisible(true);
                this.getContentPane().setBackground(Color.white);
                
                setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                addComponentListener(this);
                pack();
                try {
                        go();
                } catch (Exception e) {
                        e.printStackTrace();
                        Logger.Log(e);
                }
                // FrameGraphics.ForceRepaint();
        }

        Graphics2D g;

        /**
         * Loads in the Menus and the first Frame.
         */
        public void go() {

                Actions.Init();
                DisplayIO.Init(this);
                // Set visible must be just after DisplayIO.Init for the message box to
                // be the right size
                setVisible(true);

                setupGraphics();

                // required to accept TAB key
                setFocusTraversalKeysEnabled(false);

                assert (UserSettings.FirstFrame != null);
                Frame firstFrame = FrameIO.LoadFrame(UserSettings.FirstFrame);

                DisplayIO.setCurrentFrame(firstFrame);

                FrameKeyboardActions keyboardListner = new FrameKeyboardActions();
                this.getContentPane().addKeyListener(keyboardListner);
                this.addKeyListener(keyboardListner);
        }

        private void setupGraphics() {
                g = (Graphics2D) this.getContentPane().getGraphics();
                assert g != null;
                g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
                g.setFont(g.getFont().deriveFont(40f));
                FrameGraphics.setDisplayGraphics(g);
        }

        @Override
        public void paint(Graphics g) {
                super.paint(g);
                FrameGraphics.Repaint();
        }

        /**
         * @inheritDoc
         */
        public void componentResized(ComponentEvent e) {
                setSizes(this.getSize());
                setupGraphics();
                repaint();
        }

        /**
         * @inheritDoc
         */
        public void componentMoved(ComponentEvent e) {
                // FrameGraphics.setMaxSize(this.getSize());
        }

        /**
         * @inheritDoc
         */
        public void componentShown(ComponentEvent e) {
        }

        /**
         * @inheritDoc
         */
        public void componentHidden(ComponentEvent e) {
        }

        public void windowClosing(WindowEvent e) {
                Misc.Exit();
        }

        public void windowClosed(WindowEvent e) {
        }

        public void windowOpened(WindowEvent e) {
        }

        public void windowIconified(WindowEvent e) {
        }

        public void windowDeiconified(WindowEvent e) {
        }

        public void windowActivated(WindowEvent e) {
                // System.out.println("Activated");
        }

        public void windowDeactivated(WindowEvent e) {
        }

        /*
         * public void windowGainedFocus(WindowEvent e) { FrameGraphics.Repaint(); }
         * 
         * public void windowLostFocus(WindowEvent e) { //FrameGraphics.Repaint(); }
         */
        public void windowStateChanged(WindowEvent e) {
                //FrameGraphics.Repaint();
                //System.out.println('C');
        }

        public int getDrawingAreaX() {
                // return scrollPane.getLocationOnScreen().x;
                return this.getLocationOnScreen().x;
        }

        public int getDrawingAreaY() {
                // return scrollPane.getLocationOnScreen().y;
                return this.getLocationOnScreen().y;
        }
}