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September 16, 2008 at 4:38 PM
Hi friend,
import java.awt.*;
import java.awt.Dimension;
public class GridCanvas extends Canvas {
private final int NumLines = 10;
private String greeting = "Greetings!";
public GridCanvas(int width, int height) {
resize(width, height);
}
public void paint(Graphics g) {
Dimension dim = size();
g.drawRect(1, 1, dim.width-2, dim.height-2);
for (int i = 0; i < NumLines; i++) {
int x = (int)((double)(i * (dim.width - 1))/(NumLines-1));
g.drawLine(x, 0, x, dim.height-1);
}
g.drawString(greeting, 12, 12);
}
public void setGreeting(String newGreeting) {
greeting = newGreeting;
repaint();
}
}
---------------------------------------------
import java.awt.*;
import java.awt.Dimension;
import java.applet.Applet;
public class AppletImp extends Applet {
private TextField textField = null;
private GridCanvas gridCanvas = null;
private TextArea debugArea = null;
public void DisplayText(String string) {
debugArea.appendText(string);
}
static final String textbutton = "Click Me";
public void init() {
Button button = new Button(textbutton);
add(button);
textField = new TextField("", 20);
add(textField);
gridCanvas = new GridCanvas(100, 100);
add(gridCanvas);
debugArea = new TextArea(5, 25);
add(debugArea);
}
public boolean action(Event event, Object arg) {
DisplayText("Action...\n");
if(arg.equals(textbutton)) {
String newText = textField.getText();
DisplayText("Welcome Roseindia ");
gridCanvas.setGreeting(newText);
}
else return(false);
return(true);
}
};
----------------------
<HTML>
<BODY>
<div align = "center">
<APPLET CODE = "AppletImp.class" WIDTH = "500" HEIGHT = "300"></APPLET>
</div>
</BODY>
</HTML>
------------------------------------------
Visit for more information.
http://www.roseindia.net/java/example/java/awt/
Thanks.
Amardeep
import java.awt.*;
import java.awt.Dimension;
public class GridCanvas extends Canvas {
private final int NumLines = 10;
private String greeting = "Greetings!";
public GridCanvas(int width, int height) {
resize(width, height);
}
public void paint(Graphics g) {
Dimension dim = size();
g.drawRect(1, 1, dim.width-2, dim.height-2);
for (int i = 0; i < NumLines; i++) {
int x = (int)((double)(i * (dim.width - 1))/(NumLines-1));
g.drawLine(x, 0, x, dim.height-1);
}
g.drawString(greeting, 12, 12);
}
public void setGreeting(String newGreeting) {
greeting = newGreeting;
repaint();
}
}
---------------------------------------------
import java.awt.*;
import java.awt.Dimension;
import java.applet.Applet;
public class AppletImp extends Applet {
private TextField textField = null;
private GridCanvas gridCanvas = null;
private TextArea debugArea = null;
public void DisplayText(String string) {
debugArea.appendText(string);
}
static final String textbutton = "Click Me";
public void init() {
Button button = new Button(textbutton);
add(button);
textField = new TextField("", 20);
add(textField);
gridCanvas = new GridCanvas(100, 100);
add(gridCanvas);
debugArea = new TextArea(5, 25);
add(debugArea);
}
public boolean action(Event event, Object arg) {
DisplayText("Action...\n");
if(arg.equals(textbutton)) {
String newText = textField.getText();
DisplayText("Welcome Roseindia ");
gridCanvas.setGreeting(newText);
}
else return(false);
return(true);
}
};
----------------------
<HTML>
<BODY>
<div align = "center">
<APPLET CODE = "AppletImp.class" WIDTH = "500" HEIGHT = "300"></APPLET>
</div>
</BODY>
</HTML>
------------------------------------------
Visit for more information.
http://www.roseindia.net/java/example/java/awt/
Thanks.
Amardeep
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