NF4
import java.awt.*;
import java.io.*;
import java.lang.*;
import java.net.URL;
import java.util.*;
import java.applet.*;
public class NF4 extends Applet {
NFControls controls;
NFCanvas canvas;
PlainData data[];
int num = 1;
int c;
Font dataFont;
int columns;
int values[][];
String name[];
public void init() {
String rs;
dataFont = new java.awt.Font("Courier",Font.BOLD, 16);
rs = getParameter("columns");
if (rs == null){
columns = 5;
}else {
columns = Integer.parseInt(rs);
}
Vector pdTemp = new Vector();
while(true){
String str_tmp;
PlainData data_tmp = new PlainData();
str_tmp = getParameter("a"+num);
if(str_tmp == null)break;
data_tmp.init(str_tmp);
pdTemp.addElement(data_tmp);
num++;
}
data = new PlainData[pdTemp.size()];
pdTemp.copyInto(data);
num--;
values = new int[num][columns];
for(int j=0;j < num;j++){
for(int i=0;i < columns;i++){
values[j][i] = data[j].item[i];
}
}
name = new String[num];
for(int j=0;j < num;j++){
name[j] = data[j].name;
}
setLayout(new BorderLayout());
NFCanvas c = new NFCanvas();
add("Center", c);
add("North", controls = new NFControls(c));
c.add(this,values,columns,num,name);
}
public void start() {
controls.start();
}
public void stop() {
controls.stop();
}
public static void main(String args[]) {
Frame f = new Frame("NF4");
NF4 nf4 = new NF4();
nf4.init();
nf4.start();
f.add("Center", nf4);
f.resize(550,600 );
f.show();
}
}
class NFCanvas extends Canvas {
NF4 nf4;
NFControls controls;
int a = 10;
int b = 40;
int xy = 0;
int angle[];
int total;
int values[][],columns,num,X,Y;
String name[];
boolean submit = false;
int kind = 0;
int witch = 0;
Font font;
double max = 0;
double min = 10000000000;
double decode = 1;
public void add(NF4 nf4,int values[][],int columns,int num,String name[] ){
this.columns = nf4.columns;
this.num = nf4.num;
this.values = new int[num][columns];
this.name = new String[num];
for(int j = 0;j < num;j++){
this.name[j] = nf4.name[j];
for(int i = 0;i < columns;i++){
this.values[j][i] = nf4.values[j][i];
}
}
for(int j = 0;j < num;j++){
for(int i = 0;i < columns;i++){
if (values[j][i] > max)max = values[j][i];
else if (values[j][i] < min)min = values[j][i];
}
}
decode = 260 / (max - min);
}
public void paint(Graphics g) {
this.white(g);
}
public void update(Graphics g){
if (!submit)this.white(g);
else{
if (kind == 0){
this.line(g,xy,witch);
}
else if (kind == 1) {
this.rect(g,xy,witch);
}
else{
this.circle(g,xy,witch);
}
}
}
public void white(Graphics g){
g.setColor(Color.white);
g.fillRect(10,10,500,280);
g.setColor(Color.black);
g.drawRect(10,10,500,280);
g.drawRect(10,300,90 + 40*columns, 30*num);
for(int j=0;j < num;j++){
a = 10;
switch (j){
case 0:g.setColor(Color.red);break;
case 1:g.setColor(Color.blue);break;
case 2:g.setColor(Color.green);break;
case 3:g.setColor(Color.orange);break;
default:g.setColor(Color.yellow);break;
}
g.drawString(name[j],10,300 + (j+1)*30);
g.setColor(Color.black);
a = a + 80;
g.drawLine(10,300 + (j + 1)*30,90 + 40*columns,300 + (j + 1)*30);
for(int i=0;i < columns;i++){
g.drawString("" + values[j][i],a,300+(j+1)*30);
g.drawLine(a-3,270+(j+1)*30,a-3,300+(j + 1)*30);
a = a + 40;
}
}
}
public void line(Graphics g,int xy,int witch){
if (witch > (num+1))g.drawString("Please Input Number under "+(num+1),100,100);
else{
a = 10;
switch (witch){
case 0:g.setColor(Color.red);break;
case 1:g.setColor(Color.blue);break;
case 2:g.setColor(Color.green);break;
case 3:g.setColor(Color.orange);break;
default:g.setColor(Color.yellow);break;
}
for (int i=0;i < columns ;i++){
if (i == (columns - 1)){
g.drawString("" + values[witch][i],a
,290- (int)(values[witch][i]*decode));
break;
}
g.drawLine(a,290 - (int)(values[witch][i]*decode) ,a+(500/(columns-1)),
290- (int)(values[witch][i+1]*decode));
g.drawString("" + values[witch][i],a,290- (int)(values[witch][i]*decode));
a = a + (500/columns);
}
}
}
public void rect(Graphics g,int xy,int witch){
a = 10;
if (witch > (num+1))g.drawString("Please Input Number under "+ (num+1),100,100);
else{
for(int i=0;i < columns;i++){
switch (witch){
case 0:g.setColor(Color.red);break;
case 1:g.setColor(Color.blue);break;
case 2:g.setColor(Color.green);break;
case 3:g.setColor(Color.orange);break;
default:g.setColor(Color.yellow);break;
}
g.fillRoundRect(a,290 - (int)(values[witch][i]*decode),15,(int)(values[witch][i]*decode),5,5);
g.setColor(Color.black);
g.drawString("" + values[witch][i],a + 5,290 - (int)(values[witch][i]*decode));
a = a + 20;
}
}
}
public void circle(Graphics g,int xy,int witch){
a = 10;
if (witch > columns)g.drawString("Please Input number under"+ (columns+1),100,100);
else{
total = values[0][witch];
for(int j = 1;j < num;j++ ){
total = total + values[j][witch];
}
angle = new int[num];
for(int j = 0;j < num;j++){
angle[j] = 360 * values[j][witch] / total;
}
g.setFont(font);
a = 0;
b = 0;
for(int j=0; j < num;j++){
if(j == 0)g.setColor(Color.red);
else if(j == 1)g.setColor(Color.blue);
else if(j == 2)g.setColor(Color.green);
else if(j == 3)g.setColor(Color.orange);
else g.setColor(Color.yellow);
g.drawString("" + name[j],40,b);
g.fillArc(150,60,200,200,a,angle[j]);
a = a + angle[j];
b = b + 20;
}
}
}
public void getdata(int kind) {
this.kind = kind;
}
public void redraw(boolean submit,int witch) {
this.submit = submit;
this.witch = witch - 1;
repaint();
}
}
class NFControls extends Panel{
int k,xy;
NFCanvas canvas;
TextField s;
public NFControls(NFCanvas canvas) {
this.canvas = canvas;
Choice k = new Choice();
k.addItem("Line");
k.addItem("Rect");
k.addItem("Circle");
add(k);
add(s = new TextField("1", 5));
add(new Button("submit"));
add(new Button("clear"));
}
public boolean action(Event e, Object arg) {
if (e.target instanceof Choice){
String label = (String)arg;
if (label.equals("Line"))k=0;
else if (label.equals("Rect"))k = 1;
else k = 2;
canvas.getdata(k);
return true;
}
else if(e.target instanceof Button){
String label = (String)arg;
canvas.redraw(label.equals("submit"),
Integer.parseInt(s.getText().trim()));
return true;
}
return false;
}
public void start(){
this.enable();
}
public void stop(){
this.disable();
}
}
class PlainData {
int item[];
int n;
String name;
public void init(String str){
StringTokenizer st = new StringTokenizer(str,",");
String str_tmp;
n = st.countTokens();
n = n - 1;
name = st.nextToken();
item = new int[n];
for(int i=0;i < n;i++){
item[i] = Integer.parseInt(st.nextToken());
}
}
}
Back to the NF4 applet page.
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