src/OriginView.java

   1 import javax.swing.*;
   2 import java.awt.event.ItemEvent;
   3 import java.awt.event.ItemListener;
   4
   5 public class OriginView extends JPanel implements ItemListener {
   6     private Origin originObj;
   7     private JLabel label;
   8     private JComboBox<String> comboBox;
   9     private JLabel continentLabel;
  10
  11     OriginView(Origin originObj) {
  12         setOriginObj(originObj);
  13         this.label = new JLabel();
  14         this.label.setText("Origin");
  15         this.comboBox = new JComboBox<>(this.getOriginObj().getCountriesArray());
  16         this.comboBox.setSelectedItem(this.getOriginObj().getCountry());
  17         this.comboBox.addItemListener(this);
  18         this.continentLabel = new JLabel();
  19         this.continentLabel.setText("(" + this.getOriginObj().getContinent() + ")");
  20         add(label);
  21         add(comboBox);
  22         add(continentLabel);
  23     }
  24
  25     public Origin getOriginObj() {
  26         return originObj;
  27     }
  28
  29     public void setOriginObj(Origin originObj) {
  30         this.originObj = originObj;
  31     }
  32
  33     @Override
  34     public void itemStateChanged(ItemEvent event) {
  35         if (event.getStateChange() == ItemEvent.SELECTED) {
  36             Object item = event.getItem();
  37             getOriginObj().setContinent(getOriginObj().getContinentFromCountry(item.toString()));
  38             this.continentLabel.setText("(" + this.getOriginObj().getContinent() + ")");
  39         }
  40     }
  41 }