1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278
|
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class graphe extends JApplet implements MouseListener,ActionListener{
/**
*
*/
private static final long serialVersionUID = 1L;
static somet[] tab;
static int nb_sommets=0;
static int sometselect=-1;
boolean creationarc;
boolean supprimerarc=false;
static int dep,arr;//pour creer ou supprimer des arcs
Component compselect=null;
JMenuBar mbar;
JPopupMenu popupsomet;
JPopupMenu popupgraphe;
JComboBox box1,box2;
JPanel panel;
protected JTextField textfield;
protected int xCurseur;
protected int yCurseur;
public void init(){
tab=new somet[100];
setBackground(Color.white);
setName("fond");
setLayout(null);
setSize(600,600);
setVisible(true);
addMouseListener(this);
panel=new JPanel();
panel.setSize(getWidth(),30);panel.setBackground(Color.lightGray);
mbar = new JMenuBar();
popupsomet = new JPopupMenu("?");popupsomet.setBorderPainted(true);popupsomet.setBackground(Color.red);popupsomet.setOpaque(true);
popupgraphe = new JPopupMenu("??");popupgraphe.setBackground(Color.gray);popupgraphe.setOpaque(true);
textfield = new JTextField("<<calcul du coût",30);
JScrollPane jsPane = new JScrollPane(textfield);
String[] items = { "jw", "ja", "la" };
box1=new JComboBox(items);box2=new JComboBox(items);
box1.setEditable(true);box2.setEditable(true);
panel.add (makeMenuItem ("Creer nouveau sommet?") );
panel.add (makeMenuItem ("effacer tout?") );
panel.add(box1);panel.add(new Label("vers"));panel.add(box2);
panel.add(jsPane);
popupsomet.add (makeMenuItem ("Renommer") );
popupsomet.add (makeMenuItem ("creer un arc partant de ce somet?") );
popupsomet.add (makeMenuItem ("Supprimer ce sommet") );
popupsomet.add (makeMenuItem ("Supprimer un arc partant de ce sommet") );
popupsomet.add (makeMenuItem ("..") );
popupsomet.add (makeMenuItem (".") );
popupgraphe.add(makeMenuItem ("Creer nouveau sommet?") );
popupgraphe.add (makeMenuItem ("..") );
JPanel pane = new JPanel();
pane.add(panel);
pane.add(getContentPane());
pane.setBackground(new Color(255,255,204));
pane.setBorder(BorderFactory.createMatteBorder(1,1,2,2,Color.black));
setContentPane(pane);
//contentPane.add(panel);
//contentPane.add(this);
//frame.setVisible(true);
//jf.setJMenuBar(mbar);
// jf.getContentPane().add("North",panel);
//jf.setVisible(true);jf.getContentPane().add(this);
}
private JMenuItem makeMenuItem (String s) {
JMenuItem item = new JMenuItem (s);
item.addActionListener ( this );
return item;
}
public void saisie_suc(int dep, int arr, int cout) {
int i = 0;
//int k = this.rech_indice(dep);
while (tab[dep].liste_succ[i][0] >=0) {
i = i + 1;
}
tab[dep].liste_succ[i][0] = arr;
tab[dep].liste_succ[i][1] = cout;
}
public void paintComponent(Graphics g){
for (int i = 0; i < nb_sommets; i++) {
if (tab[i]!= null) {
int j = 0;
while (tab[i].liste_succ[j][0] >=0) {
//String s = tab[i].acces_liste_succ()[j][0];
//int k = this.rech_indice(s);
this.drawArrow(tab[i].getX() +25, tab[i].getY() +25,
tab[tab[i].liste_succ[j][0]].getX()+25 , tab[tab[i].liste_succ[j][0]].getY()+25 , g);
j = j + 1;
}
}
}
repaint();
}
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
}
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
public void mousePressed(MouseEvent e){
xCurseur=e.getX();
yCurseur=e.getY();
if(e.getButton()==MouseEvent.BUTTON3 ){
popupgraphe.setVisible(true);
popupgraphe.show (e.getComponent(), e.getX (), e.getY ());
}
repaint();
}
public void mousePressed2(MouseEvent e) {
compselect=e.getComponent();
if(e.getComponent().getClass().getName().equals("somet")){
sometselect=((somet) e.getComponent()).indice;
System.out.println(((somet)e.getComponent()).indice);
}
System.out.println(e.getComponent().getName());
if(e.getButton()==MouseEvent.BUTTON3 ){
popupsomet.setVisible(true);
popupsomet.show (e.getComponent(), e.getX (), e.getY ());
}
if (creationarc){
String cout = JOptionPane.showInputDialog("quel coût?","0");
int cc=0;
try{
cc=Integer.parseInt(cout);
}catch( NumberFormatException nfe){
textfield.setText("entrez un coût entier svp..");
}
saisie_suc(dep,sometselect,cc);
creationarc=false;
}
if (supprimerarc){
tab[dep].liste_succ[sometselect][0]=-1;
tab[dep].liste_succ[sometselect][1]=-1;
supprimerarc=false;
}
repaint();
}
public void mouseReleased(MouseEvent e) {
}
public void actionPerformed(ActionEvent e) {
String s = e.getActionCommand ();
if(s.equals("Creer nouveau sommet?")){
int i=0;
while (tab[i] != null) {
i++;
}
System.out.println(i +".."+nb_sommets);
if (i>=nb_sommets){
tab[i]=new somet (xCurseur,yCurseur,this,this);
nb_sommets++;
tab[i].indice=i;
}
else {
tab[i] = new somet (xCurseur,yCurseur,this,this);
tab[i].indice=i;
}
}
if (s.equals ("Renommer") ){
String ans = JOptionPane.showInputDialog("nouveau nom?",compselect.getName());
compselect.setName(ans);
}
if (s.equals ("creer un arc partant de ce somet?") ){
dep=sometselect;creationarc=!creationarc;
}
if (s.equals ("Supprimer un arc partant de ce sommet") ){
dep=sometselect;supprimerarc=!supprimerarc;
}
if (s.equals ("Supprimer ce sommet") ){
//Visible=false;
if (compselect.getClass().getName().equals("somet") ){
remove(compselect);compselect=null;
}
}
if (s.equals ("Blue"))
setBackground (Color.blue);
else
setBackground (Color.white);
repaint();
}
private void drawArrow(int x1, int y1, int x2, int y2, Graphics g) {
g.drawPolygon(getArrow(x1, y1, x2, y2, 10, 5, 0.5));
}
private Polygon getArrow(int x1, int y1, int x2, int y2, int headsize,
int difference, double factor) {
int[] crosslinebase = getArrowHeadLine(x1, y1, x2, y2, headsize);
int[] headbase = getArrowHeadLine(x1, y1, x2, y2, headsize - difference);
int[] crossline = getArrowHeadCrossLine(crosslinebase[0],
crosslinebase[1], x2, y2, factor);
Polygon head = new Polygon();
head.addPoint(headbase[0], headbase[1]);
head.addPoint(crossline[0], crossline[1]);
head.addPoint(x2, y2);
head.addPoint(crossline[2], crossline[3]);
head.addPoint(headbase[0], headbase[1]);
head.addPoint(x1, y1);
return head;
}
private int[] getArrowHeadLine(int xsource, int ysource, int xdest,
int ydest, int distance) {
int[] arrowhead = new int[2];
int headsize = distance;
double stretchfactor = 0;
stretchfactor = 1 - (headsize / (Math
.sqrt(((xdest - xsource) * (xdest - xsource))
+ ((ydest - ysource) * (ydest - ysource)))));
arrowhead[0] = (int) (stretchfactor * (xdest - xsource)) + xsource;
arrowhead[1] = (int) (stretchfactor * (ydest - ysource)) + ysource;
return arrowhead;
}
private int[] getArrowHeadCrossLine(int x1, int x2, int b1, int b2,
double factor) {
int[] crossline = new int[4];
int x_dest = (int) (((b1 - x1) * factor) + x1);
int y_dest = (int) (((b2 - x2) * factor) + x2);
crossline[0] = (int) ((x1 + x2 - y_dest));
crossline[1] = (int) ((x2 + x_dest - x1));
crossline[2] = crossline[0] + (x1 - crossline[0]) * 2;
crossline[3] = crossline[1] + (x2 - crossline[1]) * 2;
return crossline;
}
} |
Partager