Graph Drawing app
Shows how we can input data for 5 variables and generate a bar-graph and a pie-chart from this data. The code is designed to help people who may need to display info in a graphic form and to develop the code to suit their own needs.
AI
Resumo por IA: This codebase represents a historical implementation of the logic described in the metadata. Our preservation engine analyzes the structure to provide context for modern developers.
Código fonte
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class DynamicGraph extends JFrame implements ActionListener {
JButton button;
int []bar = new int[5];
float []flote = new float[5];
String str = "", title="";
String []barLabels = {"","","","",""};
String []percent = {"","","","",""};
JLabel []JLab = new JLabel[5];
JTextField titletxt;
JTextField []Text = new JTextField[5];
JTextField []labeltxt = new JTextField[5];
boolean pieChart;
public DynamicGraph() {
super("Dynamic Graph");
Container c = getContentPane();
JPanel panel = new JPanel(){
public void paintComponent(Graphics g){
Graphics2D g2 = (Graphics2D)g;
g2.setColor(new Color(223,222,224));
g2.fillRect(0,0,500,400);
g2.setColor(Color.orange);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90, -bar[0]);
g2.fillRect(270, 170, 30, 20);
}
else g2.fillRect(30, 150, bar[0], 30);
g2.setColor(Color.green);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-bar[0], -bar[1]);
g2.fillRect(270, 210, 30, 20);
}
else g2.fillRect(30, 190, bar[1], 30);
g2.setColor(Color.red);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-(bar[0]+bar[1]), -bar[2]);
g2.fillRect(270, 250, 30, 20);
}
else g2.fillRect(30, 230, bar[2], 30);
g2.setColor(Color.blue);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-(bar[0]+bar[1]+bar[2]), -bar[3]);
g2.fillRect(270, 290, 30, 20);
}
else g2.fillRect(30, 270, bar[3], 30);
g2.setColor(Color.yellow);
if(pieChart) {
g2.fillArc(30, 130, 220, 220, 90-(bar[0]+bar[1]+bar[2]+bar[3]), -bar[4]);
g2.fillRect(270, 330, 30, 20);
}
else g2.fillRect(30, 310, bar[4], 30);
g2.setColor(Color.black);
g2.setFont(new Font("Arial", Font.BOLD, 18));
if(pieChart) g2.drawString(title, 220, 142);
else g2.drawString(title, 50, 132);
g2.setFont(new Font("Arial", Font.PLAIN,16));
int temp=0;
if(pieChart) temp = 185;
else temp = 172;
for(int j=0; j <5; j++) {
if(pieChart) g2.drawString(barLabels[j]+percent[j], 305, temp);
else g2.drawString(barLabels[j]+percent[j], bar[j]+40, temp);
temp += 40;
}
if(!pieChart){
g2.drawLine(30, 130, 30, 350);
g2.drawLine(30, 345, 430, 345);
g2.drawLine(210, 345, 210, 350);
g2.drawLine(390, 345, 390, 350);
g2.setFont(new Font("Arial", Font.PLAIN,12));
g2.drawString("0%", 26, 362);
g2.drawString("25%", 113, 362);
g2.drawString("50%", 200, 362);
g2.drawString("75%", 287, 362);
g2.drawString("100%", 380, 362);
}
super.paintComponent(g2);
}
};
panel.setOpaque(false);
panel.setLayout(new FlowLayout() );
button = new JButton("Draw 1");
JLabel jLab = new JLabel("<html><font face='Arial'>Enter graph title here, then labels and<br>number values and press the button</font></html>");
titletxt = new JTextField(18);
panel.add(jLab);
panel.add(titletxt);
JLabel addNums = new JLabel("Labels: ");
panel.add(addNums);
for (int j=0; j<5; j++){
str = Integer.toString(j+1);
JLab[j] = new JLabel(str);
labeltxt[j] = new JTextField(6);
panel.add(JLab[j]);
panel.add(labeltxt[j]);
}
button.addActionListener(this);
JLabel labellers = new JLabel("Numbers");
panel.add(labellers);
for (int k=0; k<5; k++){
str = Integer.toString(k+1);
JLab[k] = new JLabel(" "+str+" ");
Text[k] = new JTextField(3);
panel.add(JLab[k]);
panel.add(Text[k]);
}
panel.add(button);
c.add(panel);
}
public void actionPerformed(ActionEvent e) {
String command = e.getActionCommand();
if(command.equals("Draw 1")){
button.setText("Draw 2");
pieChart=false;
try {
title = titletxt.getText();
if(title.length() <1)title ="No title submitted";
int temp =0;
java.text.DecimalFormat df = new java.text.DecimalFormat("#0.#");
for (int j=0; j<5; j++){
flote[j] = Float.parseFloat(Text[j].getText());
temp += (int)((flote[j]) +0.5);
}
for (int k=0; k<5; k++){
bar[k] = (int)(((flote[k]/temp) * 360)+0.5);
barLabels[k] = labeltxt[k].getText();
flote[k] = (flote[k]/temp) *100;
percent[k] = ": "+df.format(flote[k])+"%";
}
}
catch(Exception message){
title = "Oops! Complete all fields, enter numbers only";
}
}
if(command.equals("Draw 2")){
button.setText("Draw 1");
pieChart=true;
}
repaint();
}
public static void main(String[] args) {
DynamicGraph frame = new DynamicGraph();
frame.setSize(500,400);
frame.setLocation(200, 200);
frame.setResizable(false);
frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
frame.setVisible(true);
}
}
Comentários originais (3)
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