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@Fundibalus

Fundibalus/GUI.java

Created August 28, 2017 11:00
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gistfile1.txt
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class Plus implements Rechenoperation {
@Override
public int rechne(int a, int b) {
int erg = a+b;
return erg;
}
}
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public interface Rechenoperation {
int rechne(int a, int b);
}
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class TR {
int start(String zahl1, String zahl2, String rechenzeichen) {
int ergebnis = 0;
int nummer1 = Integer.parseInt(zahl1);
int nummer2 = Integer.parseInt(zahl2);
if("-".equals(rechenzeichen)) {
Minus minus = new Minus();
ergebnis = minus.rechne(nummer1, nummer2);
} else if("+".equals(rechenzeichen)){
Plus plus = new Plus();
ergebnis = plus.rechne(nummer1,nummer2);
}
return ergebnis;
}
}
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class UebungTR {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
GUI gui = new GUI();
gui.start();
}
}
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractAction;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
/**
*
* @author B201
*/
public class GUI {
JFrame frame;
JTextField zahl1;
JTextField zahl2;
JTextField rechenzeichen;
JButton rechne;
JPanel panelrechnung;
JPanel grundpanel;
void start() {
zahl1 = new JTextField();
grundpanel = new JPanel();
zahl2 = new JTextField();
rechenzeichen = new JTextField();
rechne = new JButton();
frame = new JFrame();
frame.setLayout(new BoxLayout(frame.getContentPane(), 1));
panelrechnung = new JPanel();
panelrechnung.setLayout(new BoxLayout(panelrechnung, BoxLayout.X_AXIS));
frame.add(panelrechnung);
panelrechnung.add(zahl1);
panelrechnung.add(rechenzeichen);
panelrechnung.add(zahl2);
panelrechnung.add(rechne);
rechne.setText("Rechne");
rechne.addActionListener(new ButtonPower());
frame.setVisible(true);
frame.pack();
}
private class ButtonPower extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
TR taschenTr = new TR();
int ergebnis = taschenTr.start(zahl1.getText(), zahl2.getText(), rechenzeichen.getText());
JPanel panelneu = new JPanel();
panelneu.setLayout(new BoxLayout(panelneu, 0));
JLabel label = new JLabel();
label.setText(ergebnis+"");
panelneu.add(label);
JButton button = new JButton();
button.setText("Delete");
panelneu.add(button);
frame.add(panelneu);
}
}
}
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class Minus implements Rechenoperation{
@Override
public int rechne(int a, int b) {
int erg = a-b;
return erg;
}
}
Raw
GUI.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractAction;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
/**
*
* @author B201
*/
public class GUI {
JFrame frame;
JTextField zahl1;
JTextField zahl2;
JTextField rechenzeichen;
JButton rechne;
JPanel panelrechnung;
JPanel grundpanel;
void start() {
zahl1 = new JTextField();
grundpanel = new JPanel();
zahl2 = new JTextField();
rechenzeichen = new JTextField();
rechne = new JButton();
frame = new JFrame();
frame.setLayout(new BoxLayout(frame.getContentPane(), 1));
panelrechnung = new JPanel();
panelrechnung.setLayout(new BoxLayout(panelrechnung, BoxLayout.X_AXIS));
frame.add(panelrechnung);
panelrechnung.add(zahl1);
panelrechnung.add(rechenzeichen);
panelrechnung.add(zahl2);
panelrechnung.add(rechne);
rechne.setText("Rechne");
rechne.addActionListener(new ButtonPower());
frame.setVisible(true);
frame.pack();
}
private class ButtonPower extends AbstractAction {
@Override
public void actionPerformed(ActionEvent e) {
TR taschenTr = new TR();
int ergebnis = taschenTr.start(zahl1.getText(), zahl2.getText(), rechenzeichen.getText());
JPanel panelneu = new JPanel();
panelneu.setLayout(new BoxLayout(panelneu, 0));
JLabel label = new JLabel();
label.setText(ergebnis+"");
panelneu.add(label);
JButton button = new JButton();
button.setText("Delete");
panelneu.add(button);
frame.add(panelneu);
}
}
}
Raw
Minus.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class Minus implements Rechenoperation{
@Override
public int rechne(int a, int b) {
int erg = a-b;
return erg;
}
}
Raw
Plus.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class Plus implements Rechenoperation {
@Override
public int rechne(int a, int b) {
int erg = a+b;
return erg;
}
}
Raw
Rechenoperation.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public interface Rechenoperation {
int rechne(int a, int b);
}
Raw
TR.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class TR {
int start(String zahl1, String zahl2, String rechenzeichen) {
int ergebnis = 0;
int nummer1 = Integer.parseInt(zahl1);
int nummer2 = Integer.parseInt(zahl2);
if("-".equals(rechenzeichen)) {
Minus minus = new Minus();
ergebnis = minus.rechne(nummer1, nummer2);
} else if("+".equals(rechenzeichen)){
Plus plus = new Plus();
ergebnis = plus.rechne(nummer1,nummer2);
}
return ergebnis;
}
}
Raw
UebungTR.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package uebungtr;
/**
*
* @author B201
*/
public class UebungTR {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
GUI gui = new GUI();
gui.start();
}
}
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