B
beezie
Gast
Hallo,
bin grad dabei einen Taschenrechner zu programmieren, habe aber noch ein paar Probleme.
Mir fehlen noch die Buttons * und /. und ich weiß nicht so wirklich wie ich anfangen soll,
Sonst geht es eigentlich soweit außer ein paar Kleinigkeiten,
Hoffe es kann mir jemand helfen.
vielen dank im voraus, liebe Grüße
Code:
bin grad dabei einen Taschenrechner zu programmieren, habe aber noch ein paar Probleme.
Mir fehlen noch die Buttons * und /. und ich weiß nicht so wirklich wie ich anfangen soll,
Sonst geht es eigentlich soweit außer ein paar Kleinigkeiten,
Hoffe es kann mir jemand helfen.
vielen dank im voraus, liebe Grüße
Code:
Code:
/*
* Calculator.java
*
* Created on 28. Januar 2009, 11:35
*/
/**
*
* @author p180400
*/
public class Calculator extends javax.swing.JFrame {
/** Creates new form Calculator */
public Calculator() {
initComponents();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
button1 = new javax.swing.JButton();
button4 = new javax.swing.JButton();
button7 = new javax.swing.JButton();
button2 = new javax.swing.JButton();
button5 = new javax.swing.JButton();
button8 = new javax.swing.JButton();
button3 = new javax.swing.JButton();
button6 = new javax.swing.JButton();
button9 = new javax.swing.JButton();
button0 = new javax.swing.JButton();
buttonDivision = new javax.swing.JButton();
buttonPlus = new javax.swing.JButton();
buttonMinus = new javax.swing.JButton();
buttonMultiplikation = new javax.swing.JButton();
buttonGleich = new javax.swing.JButton();
buttonClear = new javax.swing.JButton();
buttonKomma = new javax.swing.JButton();
buttonPlusMinus = new javax.swing.JButton();
buttonCA = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
jTextPane1 = new javax.swing.JTextPane();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
button1.setText("1");
button1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button1ActionPerformed(evt);
}
});
button4.setText("4");
button4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button4ActionPerformed(evt);
}
});
button7.setText("7");
button7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button7ActionPerformed(evt);
}
});
button2.setText("2");
button2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button2ActionPerformed(evt);
}
});
button5.setText("5");
button5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button5ActionPerformed(evt);
}
});
button8.setText("8");
button8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button8ActionPerformed(evt);
}
});
button3.setText("3");
button3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button3ActionPerformed(evt);
}
});
button6.setText("6");
button6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button6ActionPerformed(evt);
}
});
button9.setText("9");
button9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button9ActionPerformed(evt);
}
});
button0.setText("0");
button0.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
button0ActionPerformed(evt);
}
});
buttonDivision.setText("/");
buttonDivision.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonDivisionActionPerformed(evt);
}
});
buttonPlus.setText("+");
buttonPlus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonPlusActionPerformed(evt);
}
});
buttonMinus.setText("-");
buttonMinus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonMinusActionPerformed(evt);
}
});
buttonMultiplikation.setText("*");
buttonMultiplikation.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonMultiplikationActionPerformed(evt);
}
});
buttonGleich.setText("=");
buttonClear.setText("C");
buttonClear.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonClearActionPerformed(evt);
}
});
buttonKomma.setText(",");
buttonKomma.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonKommaActionPerformed(evt);
}
});
buttonPlusMinus.setText("+ / -");
buttonPlusMinus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonPlusMinusActionPerformed(evt);
}
});
buttonCA.setText("CA");
buttonCA.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonCAActionPerformed(evt);
}
});
org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(button9)
.add(button6)
.add(button3))
.add(6, 6, 6)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(button8)
.add(button2)
.add(jPanel1Layout.createSequentialGroup()
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(buttonKomma)))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(button7)
.add(button1)
.add(buttonGleich)))
.add(jPanel1Layout.createSequentialGroup()
.add(button5)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(button4))))
.add(jPanel1Layout.createSequentialGroup()
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
.add(buttonClear, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.add(button0, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(buttonCA)))
.add(38, 38, 38)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
.add(buttonPlus)
.add(buttonMinus)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(buttonDivision)
.add(buttonMultiplikation))
.add(buttonPlusMinus))
.add(28, 28, 28))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.addContainerGap(24, Short.MAX_VALUE)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(button9)
.add(button8)
.add(button7)
.add(buttonDivision))
.add(18, 18, 18)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(button6)
.add(button5)
.add(button4)
.add(buttonMultiplikation))
.add(19, 19, 19)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(button3)
.add(button2)
.add(button1)
.add(buttonMinus))
.add(18, 18, 18)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(button0)
.add(buttonKomma)
.add(buttonPlus)
.add(buttonGleich))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(buttonClear)
.add(buttonCA)
.add(buttonPlusMinus))
.add(40, 40, 40))
);
jScrollPane1.setViewportView(jTextPane1);
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.add(layout.createSequentialGroup()
.add(27, 27, 27)
.add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 214, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.addContainerGap()
.add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 38, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(11, 11, 11)
.add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void buttonClearActionPerformed(java.awt.event.ActionEvent evt) {
String input = jTextPane1.getText();
jTextPane1.setText(input.substring(0, input.length() - 1));
}
private void button9ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "9");
}
private void button1ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "1");
}
private void button2ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "2");
}
private void button8ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "8");
}
private void button7ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "7");
}
private void button6ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "6");
}
private void button5ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "5");
}
private void button4ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "4");
}
private void button3ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "3");
}
private void button0ActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + "0");
}
private void buttonCAActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText("");
}
private void buttonKommaActionPerformed(java.awt.event.ActionEvent evt) {
String input = jTextPane1.getText();
if (input.indexOf(',') >= 0)
return;
jTextPane1.setText(input + ",");
}
private void buttonPlusActionPerformed(java.awt.event.ActionEvent evt) {
jTextPane1.setText(jTextPane1.getText() + jTextPane1.getText());
}
private void buttonMinusActionPerformed(java.awt.event.ActionEvent evt) {
// jTextPane1.setText(jTextPane1.getText() - jTextPane1.getText());
}
private void buttonMultiplikationActionPerformed(java.awt.event.ActionEvent evt) {
}
private void buttonDivisionActionPerformed(java.awt.event.ActionEvent evt) {
//jTextPane1.setText(jTextPane1.getText() / jTextPane1.getText());
}
private void buttonPlusMinusActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Calculator().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton button0;
private javax.swing.JButton button1;
private javax.swing.JButton button2;
private javax.swing.JButton button3;
private javax.swing.JButton button4;
private javax.swing.JButton button5;
private javax.swing.JButton button6;
private javax.swing.JButton button7;
private javax.swing.JButton button8;
private javax.swing.JButton button9;
private javax.swing.JButton buttonCA;
private javax.swing.JButton buttonClear;
private javax.swing.JButton buttonDivision;
private javax.swing.JButton buttonGleich;
private javax.swing.JButton buttonKomma;
private javax.swing.JButton buttonMinus;
private javax.swing.JButton buttonMultiplikation;
private javax.swing.JButton buttonPlus;
private javax.swing.JButton buttonPlusMinus;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextPane jTextPane1;
// End of variables declaration
}