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1 package pygraph;
2
3 import java.awt.*;
4 import java.awt.event.*;
5
6 import javax.swing.JTextField  ;
7
8 public class PythonGraph implements ActionListener {
9 JTextField expression;
10 Graph graph;
11
12 public PythonGraph() {
13 Frame frame = new Frame("Python Graph");
14 String expr = "sin(x)";
15
16 graph = new Graph(expr);
17 frame.add(graph, "Center");
18
19 expression = new JTextField (expr);
20 frame.add(expression,"South");
21 expression.addActionListener(this);
22
23 frame.addWindowListener(new WindowAdapter() {
24 public void windowClosing(WindowEvent event) {
25 System.exit(0);
26 }
27 });
28
29 frame.pack();
30 frame.setSize(300, 300);
31 frame.setVisible(true);
32 }
33
34 public void actionPerformed(ActionEvent evt) {
35 graph.setExpression(expression.getText());
36 }
37
38 public static void main(String [] args) {
39 PythonGraph pg = new PythonGraph();
40 }
41 }
42
43 |
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Java API By Example, From Geeks To Geeks.