/**
* Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package jmt.gui.common.startScreen;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.net.URL;
import java.util.HashMap;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
import javax.swing.WindowConstants;
import javax.swing.border.EmptyBorder;
import javax.swing.border.EtchedBorder;
import jmt.framework.gui.components.JMTFrame;
import jmt.framework.gui.components.QuickHTMLViewer;
import jmt.gui.common.resources.JMTImageLoader;
import jmt.gui.common.startScreen.sampleAnimation.SampleQNAnimation;
import jmt.gui.jmodel.mainGui.MainWindow;
/**
* Created by IntelliJ IDEA.
* User: Federico Dall'Orso
* Date: 6-dic-2004
* Time: 12.47.03
* This window shows the jmt's start screen. It contains links to the jmt's main programs and
* a short description of their purpose.
*/
public class StartScreen extends JMTFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
/*Data structure that must contain all of the images shown in this window. Will be initialized by
*loadImages() method*/
HashMap<String, ImageIcon> imageIcons = new HashMap<String, ImageIcon>();
/*symbolic names for the images represented as string constants initialized with relative path
*of the images themselves*/
private static final String IMG_LOGOPOLI = "JMT_LOGO", IMG_MVAICON = "EXACT_ICON", IMG_SIMICON = "GRAPH_ICON",
IMG_ANIMATION = "AnimatedQueueNet", IMG_SUITEICON = "JMTIcon",
//names for main messages to be displayed in this window.
MSG_MVA_DESCR_ITA = "Descrizione Alfanumerica del modello", MSG_MVA_DESCR_ENG = "Alphanumeric description of the model",
MSG_SIM_DESCR_ITA = "Descrizione Grafica del modello", MSG_SIM_DESCR_ENG = "Graphic description of the model",
//names for URLS of documents to be shown as description of main applications
URL_JMT_INTRO_ITA = "IntroIta.html", URL_JMT_INTRO_ENG = "IntroEng.html";
//Sample queue net animation
SampleQNAnimation sampleQNAni = null;
//dimensions of the window
private static final int WIDTH = 600, HEIGHT = 310;
JButton mvaAppl,//starts mva application
simAppl,//starts mva application
introIta, introEng;//shows a document of explaination for the jmt applications
//returns a reference to a new instance of StartScreen
public StartScreen() {
super(true, "JMT - Java Modelling Tools");
this.centerWindow(WIDTH, HEIGHT);
//close this window if proper button pressed
this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
this.setResizable(false);
//loads all of the Images that will be shown in this window
loadImages();
//add components of this window
buildWindowComponents();
//add all of the listeners
addListeners();
if (isImageLoaded(IMG_SUITEICON)) {
Image jmtIcon = imageIcons.get(IMG_SUITEICON).getImage();
this.setIconImage(jmtIcon.getScaledInstance(16, 16, Image.SCALE_SMOOTH));
}
sampleQNAni.start();
//TODO: ONCE SIMULATOR WILL BE WORKING PERFECTLY, REMOVE THIS LINE.
simAppl.setEnabled(false);
}
//loads all of the images that must be shown in this window
private void loadImages() {
String[] imageNames = { IMG_LOGOPOLI, IMG_MVAICON, IMG_SIMICON, IMG_ANIMATION, IMG_SUITEICON };
//load each image referenced in the above array
for (String imageName : imageNames) {
ImageIcon img = JMTImageLoader.loadImage(imageName);
//if this image is an icon, i need a smaller version
if (imageName.equals(IMG_MVAICON) || imageName.equals(IMG_SIMICON)) {
Image imgSmall = img.getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH);
img.setImage(imgSmall);
}
if (imageName.equals(IMG_LOGOPOLI)) {
Image imgSmall = img.getImage().getScaledInstance(WIDTH - 20, (150 * (WIDTH - 20)) / 739, Image.SCALE_SMOOTH);
img.setImage(imgSmall);
}
imageIcons.put(imageName, img);
}
}
//builds components of this window
private void buildWindowComponents() {
JPanel mainPane = new JPanel(new BorderLayout());
mainPane.setBorder(new EmptyBorder(5, 5, 5, 5));
this.getContentPane().add(mainPane);
/*the two main parts of the start screen. The upper one contains politecnico logo and title,
*the lower one, buttons and icons of the certain applications.*/
JLabel upperArea;
//components of the upper area
if (isImageLoaded(IMG_LOGOPOLI)) {
upperArea = new JLabel(imageIcons.get(IMG_LOGOPOLI));
} else {
upperArea = new JLabel("Couldn't load image from location " + IMG_LOGOPOLI);
}
//components of the intro area
JPanel introButtonArea = new JPanel(new FlowLayout(FlowLayout.CENTER, 5, 5));
//new BoxLayout(introButtonArea, BoxLayout.X_AXIS);
introIta = new JButton("Introduzione al JMT");
introEng = new JButton("Introduction to JMT");
introButtonArea.add(introIta);
introButtonArea.add(introEng);
//bottom area
JPanel bottomArea = new JPanel(new BorderLayout(5, 5));
//Components of the lower area.
JPanel buttonsArea = new JPanel(new GridLayout(2, 1, 5, 5));
buttonsArea.setSize(300, 100);
sampleQNAni = new SampleQNAnimation();
JScrollPane jsp = new JScrollPane(sampleQNAni, ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
jsp.setPreferredSize(new Dimension(200, 100));
jsp.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
//Components of the buttonArea
FlowLayout fl = new FlowLayout(FlowLayout.LEFT, 5, 5);
JPanel mvaArea = new JPanel(fl), simArea = new JPanel(fl);
mvaArea.setBorder(new EtchedBorder());
simArea.setBorder(new EtchedBorder());
//add components to the mva area
if (isImageLoaded(IMG_MVAICON)) {
mvaAppl = new JButton(imageIcons.get(IMG_MVAICON));
} else {
mvaAppl = new JButton("Start MVA");
}
JTextArea mvaDescr = new JTextArea(MSG_MVA_DESCR_ITA + "\n" + MSG_MVA_DESCR_ENG);
formatJTextArea(mvaDescr);
mvaArea.add(mvaAppl);
mvaArea.add(mvaDescr);
//add components to the sim area
if (isImageLoaded(IMG_SIMICON)) {
simAppl = new JButton(imageIcons.get(IMG_SIMICON));
} else {
simAppl = new JButton("Start SIM");
}
JTextArea simDescr = new JTextArea(MSG_SIM_DESCR_ITA + "\n" + MSG_SIM_DESCR_ENG);
formatJTextArea(simDescr);
simArea.add(simAppl);
simArea.add(simDescr);
//set preferred size for all buttons
resizeButtons();
//inserts each panel in its own father component
buttonsArea.add(mvaArea);
buttonsArea.add(simArea);
bottomArea.add(buttonsArea, BorderLayout.CENTER);
bottomArea.add(jsp, BorderLayout.EAST);
mainPane.add(upperArea, BorderLayout.NORTH);
mainPane.add(introButtonArea, BorderLayout.CENTER);
mainPane.add(bottomArea, BorderLayout.SOUTH);
}
//assigns each component its own listener
private void addListeners() {
mvaAppl.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
new AlphaNumStartScreen().show();
close();
}
});
simAppl.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
new MainWindow();
close();
}
});
introIta.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
URL url = getClass().getResource(URL_JMT_INTRO_ITA);
showDescrWin(url, "Introduzione al JMT");
}
});
introEng.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
URL url = getClass().getResource(URL_JMT_INTRO_ENG);
showDescrWin(url, "Introduction to JMT");
}
});
this.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
close();
}
});
}
private void showDescrWin(URL url, String title) {
if (url != null) {
QuickHTMLViewer qhv = new QuickHTMLViewer(url, title);
qhv.show();
qhv.setIconImage(getIconImage());
}
}
@Override
protected void doClose() {
sampleQNAni.stop();
}
//sets parameters of the specified JTextArea
private void formatJTextArea(JTextArea jta) {
jta.setOpaque(false);
jta.setEditable(false);
}
//checks if the specified image was previouslyloaded
private boolean isImageLoaded(String image) {
return imageIcons.get(image) != null;
}
private void resizeButtons() {
JButton[] buttons = { introIta, introEng };
for (JButton button : buttons) {
button.setPreferredSize(new Dimension(140, 25));
}
buttons = new JButton[] { mvaAppl, simAppl };
for (JButton button : buttons) {
button.setPreferredSize(new Dimension(40, 40));
}
}
public static void main(String[] args) {
StartScreen sScr = new StartScreen();
sScr.show();
}
}