Some booring school homeworks in java

[mirrors/Programs.git] / java / Kalkulator / src / Kalkulator / Kalkulator.java

diff --git a/java/Kalkulator/src/Kalkulator/Kalkulator.java b/java/Kalkulator/src/Kalkulator/Kalkulator.java
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+++ b/java/Kalkulator/src/Kalkulator/Kalkulator.java
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+package Kalkulator;
+
+import javax.swing.*;
+
+/**
+ * This example shows how to create GUI application which can be run both
+ * as HTML embeded web applet and as standalone application
+ * @author harvie
+ */
+
+class AppGui extends JPanel {
+    AppGui() {
+        setLayout(new java.awt.GridLayout(0, 2));
+
+        JLabel lblVklad = new JLabel("vklad");
+        final JTextField txtVklad = new JTextField();
+
+        JLabel lblMira = new JLabel("urok. mira");
+        final JTextField txtMira = new JTextField();
+
+        JLabel lblRoky = new JLabel("pocet let");
+        final JTextField txtRoky = new JTextField();
+
+        JButton btnGo = new JButton("Go");
+        final JLabel lblCelkem = new JLabel("zadej data");
+
+        add(lblVklad);
+        add(txtVklad);
+        add(lblMira);
+        add(txtMira);
+        add(lblRoky);
+        add(txtRoky);
+        add(btnGo);
+        add(lblCelkem);
+
+        btnGo.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                double v = new Double(txtVklad.getText());
+                double u = new Double(txtMira.getText());
+                double r = new Double(txtRoky.getText());
+                for(;r>0;r--) v += v*(u/100);
+                lblCelkem.setText(v+"");
+            }
+        });
+    }
+}
+
+public class Kalkulator extends JApplet {
+
+    public void init() {
+        getContentPane().add(new AppGui());
+    }
+
+    public static void main(String[] args) {
+        JFrame f = new JFrame("Applet window");
+        f.setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
+        f.setSize(640,480);
+        f.getContentPane().add(new AppGui());
+        f.setVisible(true);
+    }
+
+    // TODO overwrite start(), stop() and destroy() methods
+}