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;
   }
}