is about HTML, JAVA and JavaScrpit.
My question is: An applet can print since a communicator Netscape 4.03?
Because i load the next applet and the java console display a message :
# Applet exception: error: java.lang.NoSuchMethodError:
java.awt.Toolkit: method getPrintJob
(Ljava/awt/Frame;Ljava/lang/String;Ljava/util/Properties;)Ljava/awt/Print=
Job;
not found
java.lang.NoSuchMethodError: java.awt.Toolkit: method getPrintJob
(Ljava/awt/Frame;Ljava/lang/String;Ljava/util/Properties;)Ljava/awt/Print=
Job;
not found
APPLET :
import java.awt.*;
import java.awt.Toolkit;
import java.awt.Canvas;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.event.*;
import java.applet.Applet;
import java.awt.Button;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class App extends Applet implements Runnable {
Button b;
GraphPanel panel;
PrintingTest pt;
public synchronized void run() { }
public void init() {
pt =3D new PrintingTest();
pt.show();
setLayout(new BorderLayout());
panel =3D new GraphPanel(this);
add("Center", panel);
b =3D new Button("click");
add("South", b);
}
public synchronized boolean action(Event event, Object what) {
if (event.target instanceof Button) {
System.out.println("ENTRA A ACTION");
}
return true;
}
}
class GraphPanel extends Panel implements Runnable {
App graph;
GraphPanel(App graph) {
this.graph =3D graph;
}
public void run() {
}
public void paint(Graphics g) {
g.setColor(Color.yellow);
g.fillRect(0, 0,200, 80);
g.setColor(Color.blue);
g.drawLine(0, 0, 200, 80);
g.setColor(Color.red);
g.drawLine(0, 80, 200, 0);
}
public void start() { }
public void stop() { }
}
class PrintingTest extends Frame {
PrintCanvas canvas;
public PrintingTest() {
super("Printing Test");
canvas =3D new PrintCanvas();
add("Center", canvas);
Button b =3D new Button("Print");
// b.setActionCommand("print");
// b.addActionListener(this);
add("South", b);
pack();
}
public synchronized boolean action(Event event, Object what) {
if (event.target instanceof Button) {
System.out.println("ENTRA A ACTION frame");
PrintJob pjob =3D getToolkit().getPrintJob(this, "Printing Test",
null);
if (pjob !=3D null) {
Graphics pg =3D pjob.getGraphics();
if (pg !=3D null) {
canvas.printAll(pg);
pg.dispose(); // flush page
}
pjob.end();
}
}
return true;
}
}
class PrintCanvas extends Canvas {
public Dimension getPreferredSize() {
return new Dimension(100, 100);
}
public void paint(Graphics g) {
g.setColor(Color.yellow);
g.fillRect(0, 0,200, 80);
g.setColor(Color.blue);
g.drawLine(0, 0, 200, 80);
g.setColor(Color.red);
g.drawLine(0, 80, 200, 0);
}
}
I have installed JDK1.1.5 Windows 95
my CLASSPATH is : set CLASSPATH=3DC:\jdk1.1.5\lib\classes.zip;
I have problems about Interface java.awt.event.ActionListener, because
when i set b.setActionCommand("print"); java console display similar
error message.
I have problems about demos JDK115 ver 1.1. the Netscape communicator
4.03 can`t load applets. java console display for example:
# Applet exception: error: java.lang.NoSuchMethodError:
java.awt.Component: method getSize ()Ljava/awt/Dimension; not found
java.lang.NoSuchMethodError: java.awt.Component: method getSize
()Ljava/awt/Dimension; not found
What have i do, in order to load applets ver 1.1?
What have i do, in order to print a Graphic on the applet.in JDK1.1.5?
Has a troubble Communicator Netscape 4.03 or it need a configuration?
Only an application can call methods Print PrintJob?
JDK1.2 beta 4 let an applet calls methods Print PrinterJob?
Have you some example Applet that printing pages of some job?
my e-mail : enrimart@bsantander.com.mx
Thanks