GUI bung 05

package de.fhro.gui.basic.uebung01;import java.awt.BorderLayout;import java.awt.Button;import java.awt.FlowLayout;import java.awt.LayoutManager;import java.awt.Panel;import java.awt.TextArea;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.IOException;import java.net.URL;import java.util.Vector;import javax.swing.ComboBoxModel;import javax.swing.JButton;import javax.swing.JComboBox;import javax.swing.JEditorPane;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTextArea;public class WebBrowser {   public static void main(String[] args) {      MyFrame frame = new MyFrame();      frame.setVisible(true);      frame.addWindowListener(new WindowAdapter(){         public void windowClosing(WindowEvent we){            System.exit(0);         }      });   }}class MyFrame extends JFrame {   private MyView view;   public MyFrame() {      view = new MyView();      add(view);      super.pack();   }   public MyView getBrowserView() {      return view;   }}class MyView extends Panel {   private JComboBox north;   private JEditorPane center;   private ButtonBar south;      public MyView() {      BrowserController controller = new BrowserController();       setLayout(new BorderLayout());      north = new JComboBox();      north.setEditable(true);      center = new JEditorPane();      south = new ButtonBar(controller);            center.setEditable(false);//      controller.setPane(center);      controller.setPanel(this);      add(north, BorderLayout.NORTH);      add(center, BorderLayout.CENTER);      add(south, BorderLayout.SOUTH);         }   public JEditorPane getCenter() {      return center;   }      public JComboBox getComboBox() {      return north;   }   }class ButtonBar extends JPanel {   public ButtonBar(BrowserController controller) {      setLayout(new FlowLayout(FlowLayout.CENTER));      JButton btnReload = new JButton("Reload");      JButton btnPrint = new JButton("Print");            btnReload.setActionCommand("reload");      btnPrint.setActionCommand("print");            btnReload.addActionListener(controller);      btnPrint.addActionListener(controller);            add(btnReload);      add(btnPrint);   }}class BrowserController implements ActionListener {//   private JEditorPane pane;   private MyView panel;   public void actionPerformed(ActionEvent e) {      // wenn url geklickt wurde, dann area////      if (e.getActionCommand().equals("reload")) {////         try {////            URL url = new URL("http://www.google.de");////            panel.getCenter().setPage(url);////         } catch (IOException e1) {////            e1.printStackTrace();////         }////      }//      if (e.getActionCommand().equals("print")) {         try {            String urlString = panel.getComboBox().getSelectedObjects().toString();            URL urlObjekt = new URL(urlString);            panel.getCenter().setPage(urlObjekt);         } catch (IOException e1) {            e1.printStackTrace();         }//      }         }//   public void setPane (JEditorPane pane) {//      this.pane = pane;//   }      public void setPanel(MyView panel) {      this.panel = panel;   }}