package dm_in_eurowechsler;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

public class DM_Euro extends Applet {
  boolean isStandalone = false;
  Label label1 = new Label();
  TextField textField_DM = new TextField();
  Label label2 = new Label();
  Button button_wechseln = new Button();
  Label label_Euro = new Label();
  Label label_Geb = new Label();
  /**Get a parameter value*/
  public String getParameter(String key, String def) {
    return isStandalone ? System.getProperty(key, def) :
      (getParameter(key) != null ? getParameter(key) : def);
  }

  /**Construct the applet*/
  public DM_Euro() {
  }
  /**Initialize the applet*/
  public void init() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception {
    label1.setFont(new java.awt.Font("Dialog", 1, 14));
    label1.setText("DM in Eurowechsler");
    label1.setBounds(new Rectangle(99, 14, 160, 21));
    this.setLayout(null);
    textField_DM.setText("textField_DM");
    textField_DM.setBounds(new Rectangle(34, 51, 139, 26));
    label2.setText("DM");
    label2.setBounds(new Rectangle(179, 52, 28, 24));
    button_wechseln.setLabel("Wechseln");
    button_wechseln.setBounds(new Rectangle(214, 54, 117, 22));
    button_wechseln.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        button_wechseln_actionPerformed(e);
      }
    });
    label_Euro.setText("label_Euro");
    label_Euro.setBounds(new Rectangle(32, 124, 220, 23));
    this.setBackground(Color.yellow);
    label_Geb.setText("label_Geb");
    label_Geb.setBounds(new Rectangle(32, 99, 160, 16));
    this.add(label1, null);
    this.add(textField_DM, null);
    this.add(label2, null);
    this.add(button_wechseln, null);
    this.add(label_Euro, null);
    this.add(label_Geb, null);
  }
  /**Get Applet information*/
  public String getAppletInfo() {
    return "Applet Information";
  }
  /**Get parameter info*/
  public String[][] getParameterInfo() {
    return null;
  }

  void button_wechseln_actionPerformed(ActionEvent e) {
    double DM,Euro,Geb; // Variablen Deklarieren
    DM = Double.valueOf(textField_DM.getText()).doubleValue();
    Euro=DM/1.95583;
    Euro = Math.round(Euro*100.0)/100.0;
    if (DM > 10.0){
      Geb = 1.0;
    }
    else {
      Geb = Euro/10;
      Geb = Math.round(Geb*100.0)/100.0;
    }
    Euro = Euro-Geb;
    label_Geb.setText(Double.toString(Geb)+" Euro Gebühr");
    label_Euro.setText(Double.toString(Euro)+" Euro");
  }
}