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public void init() {
mainPanel = new Panel();
super.init();
viewer.setViewLock(false);
viewer.setView("Home");
viewer.setColorVisibility(Points3d.color,false);
validate();
loadButton = new Button(loadMessage="Load data");
if (!getBoolParameter("vrml")){
mainPanel.add(loadButton);
}
if (getBoolParameter("controls")){
add("South",mainPanel);
}
}
Mon code entier est le suivant:
package hull;
/**
* Applet allowing interactive investigation of hull algorithms
*/
import java.applet.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.*;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.filechooser.FileSystemView;
import org.apache.commons.math.stat.descriptive.moment.Mean;
public class DisplayT extends Applet3d {
Panel mainPanel;
Choice modelChoice=null;
Button moreButton;
String moreMessage;
Button loadButton;
String loadMessage;
Points3d points3d = new Points3d();
private Point3dObject3d[] points = new Point3dObject3d[32];
Object3dList model = new Object3dList(20);
Axes axes = new Axes();
Viewer makeViewer(){
Viewer v = new Viewer(this);
try {
String view = getParameter("view");
if (view != null){
View3dInfo home = View3dInfo.fromString(view);
v.setHome(home);
}
} catch (NumberFormatException e) {
}
Object3dAdaptor.normalColor=v.addColor("Normal","normal objects",getBoolParameter("Normal"),Color.green,true);
Triangle3d.backFaceColor=v.addColor(Color.blue);
Object3dAdaptor.addColor=v.addColor("Added","added objects",getBoolParameter("Added"),Color.red,true);
Object3dAdaptor.deleteColor=v.addColor("Deleted","deleted objects",getBoolParameter("Deleted"),Color.yellow,true);
Axes.color=v.addColor("Axes","coordinate axes",getBoolParameter("Axes"),Color.black,true);
Points3d.color=v.addColor("Points","input points",getBoolParameter("Points"),Color.black,true);
DivideAndConquer.leftColor=v.addColor("Left Hull","left convex hull",getBoolParameter("Left Hull"),Color.cyan,false);
DivideAndConquer.rightColor=v.addColor("Right Hull","right convex hull",getBoolParameter("Right Hull"),Color.magenta,false);
Object3dAdaptor.selectColor=v.addColor("Selected","selected object",getBoolParameter("Selected"),Color.cyan,false);
return v;
}
public void init() {
mainPanel = new Panel();
super.init();
viewer.setViewLock(false);
viewer.setView("Home");
viewer.setColorVisibility(Points3d.color,false);
validate();
loadButton = new Button(loadMessage="Load data");
if (!getBoolParameter("vrml")){
mainPanel.add(loadButton);
}
if (getBoolParameter("controls")){
add("South",mainPanel);
}
}
public boolean action(Event evt, Object arg) {
if (evt.target == loadButton){
loadFile();
return true;
}
else {
return super.action(evt,arg);
}
}
private void loadFile() {
FileSystemView vueSysteme = FileSystemView.getFileSystemView();
File home = vueSysteme.getHomeDirectory();
//System.out.println(home);
JFileChooser fc = new JFileChooser(home);
String chaine=" ";
int returnVal = fc.showOpenDialog(null);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
System.out.println(file);
loadData(file);
}
}
private void loadData(File file) {
try {
InputStream ips=new FileInputStream(file);
InputStreamReader ipsr=new InputStreamReader(ips);
BufferedReader br=new BufferedReader(ipsr);
int i = 0;
double x = 0;
double y = 0;
String ligne;
//on compte le nombre de lignes du fichier pour initiliser modimes1
ligne = br.readLine();
if (ligne != null){
if(ligne.split(" ").length==9){
Point3d pt1,pt2,pt3;
int c=0;
while (ligne !=null){
System.out.println(c);
pt1 = new Point3d (Double.parseDouble(ligne.split(" ")[0]),Double.parseDouble(ligne.split(" ")[1]),Double.parseDouble(ligne.split(" ")[2]));
pt2 = new Point3d (Double.parseDouble(ligne.split(" ")[3]),Double.parseDouble(ligne.split(" ")[4]),Double.parseDouble(ligne.split(" ")[5]));
pt3 = new Point3d (Double.parseDouble(ligne.split(" ")[6]),Double.parseDouble(ligne.split(" ")[7]),Double.parseDouble(ligne.split(" ")[8]));
model.addElement(new Triangle3dPlus(pt1,pt2,pt3,c));
c++;
ligne = br.readLine();
}
}
else if (ligne.split(" ").length==3){
ArrayList<Point3d> serieRetenue = new ArrayList<Point3d>();
while (ligne!=null){
Point3d pt = new Point3d(Double.parseDouble(ligne.split(" ")[0]),Double.parseDouble(ligne.split(" ")[1]),Double.parseDouble(ligne.split(" ")[2]));
serieRetenue.add(pt);
ligne = br.readLine();
}
Point3d[] pts=new Point3d[serieRetenue.size()];
System.out.println(serieRetenue.size());
for(int j=0;j<serieRetenue.size();j++)
pts[j]=serieRetenue.get(j);
for (int c=0; c <pts.length; c++) {
model.addElement(new Point3dObject3d(pts[c]));
}
}
else
System.out.println("Erreur dans le formatage des données.");
}
else
System.out.println("Empty file");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public boolean mouseEnter(Event e, int x, int y){
showStatus("Hold the mouse button down and move the mouse to rotate the hull");
return true;
}
/** override this method if we want a choice of models */
public Object3dList selectModel() {
model.addElement(axes);
System.out.println("Check baba");
return model;
}
/** defaultModel to display */
public Object3dList defaultModel() {
return selectModel();
}
public String[][] getDefaultParameters() {
String[][] defaults = {
// Array of arrays of strings describing each parameter.
// Format: parameter name, value
{"bgcolor", "ffffff"},
{"controls", "on"},
{"dimension", "3D"},
{"model","quickHull"},
{"distribution","In Sphere"},
{"npoints","32"},
{"Normal","on"},
{"Added","on"},
{"Deleted","on"},
{"Axes","on"},
{"Left Hull","on"},
{"Right Hull","on"},
{"Selected","on"}
};
return defaults;
}
// Return information suitable for display in an About dialog box.
public String getAppletInfo() {
return "3D Hull Applet v1.13\nWritten by Tim Lambert.";
}
public class Ouvrir extends JFrame implements ActionListener{
JButton open = new JButton("Selectionner un fichier"); //nouveau bouton open
JTextField status = new JTextField("Pas de fichier chargé!"); //nouveau champs de texte
public Ouvrir() {
super("Test d'ouverture d'un JFileChooser"); //titre
setSize(450,100); //taille
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//fermeture
status.setEditable(false);
open.addActionListener(this);//ajout d'un actionlistener
JPanel pane = new JPanel();
BorderLayout bord = new BorderLayout();
pane.setLayout(bord);
pane.add("North", status);
pane.add("Center", open);
setContentPane(pane);
setVisible(true);
}
public void main(String[] arguments) {
try{
UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
}
catch (Exception e)
{
}
Ouvrir index = new Ouvrir();
}
public void actionPerformed(ActionEvent evt) {
}
}
public static void main(java.lang.String[] args) {
Frame frMain = new Frame("Display");
DisplayT mainApp = new DisplayT();
frMain.resize(100,100);
frMain.show();
mainApp.init();
frMain.add("Center",mainApp);
}
} |
Applet vers Application -> super.init() = nullPointer
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