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| // Java & Bézier
// (C) 2002 Emmanuel Turquin
//
// Main.java
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package Ma;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.applet.Applet;
import java.awt.geom.*;
import java.awt.image.BufferedImage;
import java.net.URL;
import jnb.*;
import extended_classes.*;
public class Main extends JApplet implements ActionListener{
protected static final String version = "1.0";
protected static JnBPanel panel;
protected static MenuBar menuBar;
protected static StatusBar statusBar;
//protected static JPanel toolBar;
protected static File_g file_g;
protected static int windowWidth = 640;
protected static int windowHeight = 580;
protected JTextArea textArea;
protected String newline = "\n";
public void init(){
//Try to get window's width and height from applet parameters.
try {
String windowWidthString = getParameter("WIDTH");
if (windowWidthString != null) {
try {
windowWidth = Integer.parseInt(windowWidthString);
} catch (NumberFormatException e) {
//Use default width.
}
}
} catch (NullPointerException e) {
//Applet used as a stand-alone program, no parameter.
}
try {
String windowHeightString = getParameter("HEIGHT");
if (windowHeightString != null) {
try {
windowHeight = Integer.parseInt(windowHeightString);
} catch (NumberFormatException e) {
//Use default width.
}
}
} catch (NullPointerException e) {
//Applet used as a stand-alone program, no parameter.
}
//Initialize the layout.
getContentPane().setLayout(new BorderLayout());
panel = new JnBPanel();
getContentPane().add(panel);
//Initialize the Menu bar.
menuBar = new MenuBar();
getContentPane().add("North", menuBar);
//Initialize the Tool bar
JToolBar toolBar = new JToolBar("Still draggable");
addButtons(toolBar);
toolBar.setFloatable(true);
toolBar.setRollover(true);
//Create the text area used for output. Request
//enough space for 5 rows and 30 columns.
/*textArea = new JTextArea(5, 30);
textArea.setEditable(false);
JScrollPane scrollPane = new JScrollPane(textArea);
//Lay out the main panel.
setPreferredSize(new Dimension(450, 130));
add(toolBar, BorderLayout.PAGE_START);
add(scrollPane, BorderLayout.CENTER);
*/
getContentPane().add("East", toolBar);
//Initialize the Status bar.
statusBar = new StatusBar("Welcome to Java & Bézier " + version + "!");
getContentPane().add("South", statusBar);
}
static final private String PREVIOUS = "previous";
static final private String UP = "up";
static final private String NEXT = "next";
static final private String SOMETHING_ELSE = "other";
static final private String TEXT_ENTERED = "text";
protected void addButtons(JToolBar toolBar) {
JButton button = null;
//first button
button = makeNavigationButton("Back24", PREVIOUS,
"Back to previous something-or-other",
"Previous");
toolBar.add(button);
//second button
button = makeNavigationButton("Up24", UP,
"Up to something-or-other",
"Up");
toolBar.add(button);
//third button
button = makeNavigationButton("Forward24", NEXT,
"Forward to something-or-other",
"Next");
toolBar.add(button);
//separator
toolBar.addSeparator();
//fourth button
button = new JButton("Another button");
button.setActionCommand(SOMETHING_ELSE);
button.setToolTipText("Something else");
button.addActionListener(this);
toolBar.add(button);
//fifth component is NOT a button!
JTextField textField = new JTextField("A text field");
textField.setColumns(10);
textField.addActionListener(this);
textField.setActionCommand(TEXT_ENTERED);
toolBar.add(textField);
}
protected JButton makeNavigationButton(String imageName,
String actionCommand,
String toolTipText,
String altText) {
//Look for the image.
String imgLocation = "images/"
+ imageName
+ ".gif";
URL imageURL = ToolBarDemo2.class.getResource(imgLocation);
//Create and initialize the button.
JButton button = new JButton();
button.setActionCommand(actionCommand);
button.setToolTipText(toolTipText);
button.addActionListener(this);
if (imageURL != null) { //image found
button.setIcon(new ImageIcon(imageURL, altText));
} else { //no image found
button.setText(altText);
System.err.println("Resource not found: "
+ imgLocation);
}
return button;
}
public void actionPerformed(ActionEvent e) {
String cmd = e.getActionCommand();
String description = null;
// Handle each button.
if (PREVIOUS.equals(cmd)) { //first button clicked
description = "taken you to the previous <something>.";
} else if (UP.equals(cmd)) { // second button clicked
description = "taken you up one level to <something>.";
} else if (NEXT.equals(cmd)) { // third button clicked
description = "taken you to the next <something>.";
} else if (SOMETHING_ELSE.equals(cmd)) { // fourth button clicked
description = "done something else.";
} else if (TEXT_ENTERED.equals(cmd)) { // text field
JTextField tf = (JTextField)e.getSource();
String text = tf.getText();
tf.setText("");
description = "done something with this text: "
+ newline + " \""
+ text + "\"";
}
displayResult("If this were a real app, it would have "
+ description);
}
protected void displayResult(String actionDescription) {
textArea.append(actionDescription + newline);
textArea.setCaretPosition(textArea.getDocument().getLength());
}
public static void main(String s[]) {
JFrame f = new JFrame("Java & Bézier " + version);
JApplet applet = new Main();
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);}
});
f.getContentPane().add(applet, BorderLayout.CENTER);
f.pack();
f.setSize(new Dimension(windowWidth, windowHeight));
applet.init();
f.setVisible(true);
}
}
class JnBPanel extends JPanel implements MouseListener, MouseMotionListener{
BufferedImage bi;
Graphics2D big;
boolean firstTime = true;
boolean pressOut = false;
boolean mouseOutside = false;
boolean antiAliasing = true;
Board2D board;
protected int width, height;
public JnBPanel(){
setBackground(Color.white);
addMouseMotionListener(this);
addMouseListener(this);
}
public void mousePressed(MouseEvent e){
int i;
//BUTTON1 or BUTTON2
if ((e.getModifiers() & (InputEvent.BUTTON1_MASK | InputEvent.BUTTON2_MASK)) > 0){
if (board.isVisible()){
if ((i = board.contains(e.getX(), e.getY())) >= 0){
board.setCurrent(i);
Point2DList pl = (Point2DList)board.getCurrent();
pl.setCurrent(pl.contains(e.getX(), e.getY()));
Main.statusBar.displayMsg("Point (X:" + e.getX() + ", Y:" + e.getY() + ") selected.");
updateLocation(e);
}
else {
if (board.size() == 0 || (e.getModifiers() & InputEvent.BUTTON2_MASK) > 0){
Point2DList pl = new Point2DList();
board.add(pl);
}
Point2DList pl = (Point2DList)board.getCurrent();
jnb.Point2D point = new jnb.Point2D(e.getX(), e.getY());
pl.add(pl.getCurrentIndex() + 1, point);
Main.statusBar.displayMsg("Point (X:" + e.getX() + ", Y:" + e.getY() + ") added.");
}
}
else {
pressOut = true;
}
}
//BUTTON3
else if ((e.getModifiers() & InputEvent.BUTTON3_MASK) > 0){
if(board.isVisible()){
if ((i = board.contains(e.getX(), e.getY())) >= 0){
Point2DList pl = (Point2DList)board.get(i);
if (pl.remove(pl.contains(e.getX(), e.getY())) == 1)
board.remove(pl);
else
board.setActive(pl);
Main.statusBar.displayMsg("Point (X:" + e.getX() + ", Y:" + e.getY() + ") removed.");
repaint();
}
}
}
}
public void mouseDragged(MouseEvent e){
if((e.getModifiers() & (InputEvent.BUTTON1_MASK | InputEvent.BUTTON2_MASK)) > 0 && !mouseOutside && !pressOut) {
updateLocation(e);
}
}
public void mouseReleased(MouseEvent e){
if(board.isVisible() && ((e.getModifiers() & InputEvent.BUTTON3_MASK) == 0)){
updateLocation(e);
}
else {
pressOut = false;
}
}
public void mouseMoved(MouseEvent e){
Main.statusBar.displayMsgBG("(X:" + e.getX() + ", Y:" + e.getY() + ")");
}
public void mouseExited(MouseEvent e){
mouseOutside = true;
}
public void mouseEntered(MouseEvent e){
mouseOutside = false;
}
public void mouseClicked(MouseEvent e){}
public void updateLocation(MouseEvent e){
Dimension dim = getSize();
Point2DList pl = (Point2DList)board.getCurrent();
if (pl == null)
return;
jnb.Point2D point = (jnb.Point2D)pl.getCurrent();
int x, y;
if (board.getGrid()){
x = jnb.Math.round(e.getX(), board.getGridSpacing());
y = jnb.Math.round(e.getY(), board.getGridSpacing());
} else {
x = e.getX();
y = e.getY();
}
Main.statusBar.displayMsgBG("Point moved to (X:" + x + ", Y:" + y + ").");
if ((e.getModifiers() & InputEvent.BUTTON1_MASK) > 0)
point.setLocation(x, y, dim);
else if ((e.getModifiers() & InputEvent.BUTTON2_MASK) > 0)
pl.setLocation(x, y, dim);
repaint();
}
public boolean isAntiAliased() {
return antiAliasing;
}
public void setAntiAliasing(boolean aa) {
antiAliasing = aa;
if (antiAliasing)
big.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
else
big.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
}
public void paintComponent(Graphics g){
super.paintComponent(g);
update(g);
}
public void update(Graphics g){
Dimension dim = getSize();
int w = dim.width;
int h = dim.height;
if(firstTime){
width = w;
height = h;
board = new Board2D(dim);
bi = (BufferedImage)createImage(w, h);
big = bi.createGraphics();
big.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
big.setColor(Color.white);
firstTime = false;
}
if (w != width || h != height) {
width = w;
height = h;
board.setDimension(dim);
bi = (BufferedImage)createImage(w, h);
big = bi.createGraphics();
big.setColor(Color.white);
}
// Clears the drawing area.
big.clearRect(0, 0, w, h);
// Draws and fills the points and curve(s) on the board.
board.draw(big);
// Draws the buffered image to the screen.
g.drawImage(bi, 0, 0, this);
}
} |
probleme d'affichage de toolbar et menu
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