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package kontakte.controller ;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import kontakte.model.Model;
import kontakte.view.View;

/**
 * Diese Klasse leitet Events von der View an den CommandInvoker weiter.
 * 
 * @see View
 * @see CommandInvoker
 */
public class Controller implements ActionListener
{
  private View view;
  private Model model;
  private CommandInvoker invoker;
  
  public Controller(View view, Model model)
  {
    this.view = view;
    this.model = model;
    invoker = new CommandInvoker();
  }

  public void registerEvents()
  {
    view.getBtnOpen().addActionListener(this);
    view.getMenuOpen().addActionListener(this);
    view.getBtnSave().addActionListener(this);
    view.getMenuSave().addActionListener(this);
    view.getBtnNewEntry().addActionListener(this);
    view.getBtnOk().addActionListener(this);
    view.getBtnCancel().addActionListener(this);
    view.getMenuUndo().addActionListener(this);
  }
  
  public void registerCommands()
  {
    CommandOpen cmdOpen = new CommandOpen(view, model);
    invoker.addCommand(view.getBtnOpen(), cmdOpen);
    invoker.addCommand(view.getMenuOpen(), cmdOpen);
    CommandSave cmdSave = new CommandSave(view, model);
    invoker.addCommand(view.getBtnSave(), cmdSave);
    invoker.addCommand(view.getMenuSave(), cmdSave);
    invoker.addCommand(view.getBtnNewEntry(), new CommandNewKontaktVisible(view, model));
    invoker.addCommand(view.getBtnOk(),new CommandNewKontaktOk(view,model));
    invoker.addCommand(view.getBtnCancel(),new CommandNewKontaktCancel(view,model));
  }
  
  @Override
  public void actionPerformed(ActionEvent e)
  {
    Component key = (Component)e.getSource();
    if(key != view.getMenuUndo())
    {
      invoker.executeCommand(key);
    }
    else
    {
      invoker.undoCommand();
    }
  }
  
}