pushbuttoncontrols.java

经典的货郎担问题解决办法

/*
** This code class was written by Kent Paul Dolan.  Most of its contents
** were removed from Scott Robert Ladd's Traveller.java and
** TravellerWorld.java source files; see those files for Scott's
** copyright rules.  See accompanying file TravellerDoc.html for status
** of the modifications here (an extensive refactoring and rewrite) for
** your use.
*/

package com.well.www.user.xanthian.java.ui;

import java.awt.*;
import java.awt.event.*;
import com.coyotegulch.genetic.*;
import com.coyotegulch.ui.*;
import com.well.www.user.xanthian.java.tools.*;

public class PushButtonControls
{

/*
** Private event listening classes for toolbar buttons.
*/

  private static class ActionStop
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Stop\" pushed"
        );
      }

      TravellerWorld.getTravellerWorld().stop();
      setButtonsStopped();
      TravellerStatus.signalStop();
    }
  }

  private static class ActionResume
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Resume\" pushed"
        );
      }

      TravellerStatus.signalResume();
      setButtonsRunning();
      TravellerWorld.getTravellerWorld().start();
    }
  }


  private static class ActionStart
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Start\" pushed"
        );
      }

      setButtonsRunning();
      TravellerStatus.signalStart();
      PermutationController.newProblem();
      TravellerWorld.getTravellerWorld().start();
    }
  }

  private static class ActionTestAgain
    implements ActionListener
  {

    // This is purely a convenience class, introduced
    // for the instrumented versions of Traveller,
    // to simplify running long series of tests with the
    // same configuration settings.  It performs the
    // same actions with one "Test Again" button press
    // as pressing "Stop", "Create New Cities", "Start"
    // in that order.  This in turn is purely motivated
    // by the slowness of accurately pointing at each
    // button with the touch pad of the computer where
    // these changes are being developed.  KPD.

    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Test Again\" pushed"
        );
      }

      // Need to turn this off early, to cure multi-bounce problems;
      // cannot wait world to stop, which takes until the end of the
      // generation processing.
      m_btnToolbar[BTN_TESTAGAIN].setEnabled(false);

/*
** KPD FIXME  I don't yet know a way to invoke the buttons' actions from
** code, so replicate their contents, instead.  Yes I do, pull the code out separately and execute it independently.  Do as time allows.
*/

      // do button Stop actions
      TravellerWorld.getTravellerWorld().stop();
      setButtonsStopped();
      TravellerStatus.signalStop();

      // do button Create New Cities actions
      // create world image
      TravellerWorld.newWorld();

      // set button status
      // setButtonsStopped();

      // do button Start actions
      setButtonsRunning();
      TravellerStatus.signalStart();
      PermutationController.newProblem();
      TravellerWorld.getTravellerWorld().start();
    }
  }

  private static class ActionReset
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Reset\" pushed"
        );
      }

      setButtonsNewProblem();
      TravellerStatus.signalReset();

      // new chromosomes
      TravellerWorld.getTravellerWorld().resetChromosomes();
      ((TravellerWorld.getTravellerWorld()).getRouteCanvas()).redraw();
      ((TravellerWorld.getTravellerWorld()).getRouteCanvas()).repaint();
    }
  }

  private static class ActionNewCities
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"New Cities\" pushed"
        );
      }

      // create world image
      TravellerWorld.newWorld();

      // set button status
      setButtonsNewProblem();
      TravellerStatus.signalNewCities();
    }
  }

  // arrays of listeners to be assigned to controls
  private static ActionListener [] m_btnToolbarListeners =
  {
    new ActionStop(),
    new ActionResume(),
    new ActionStart(),
    new ActionTestAgain(),
    new ActionReset(),
    new ActionNewCities()
  };

  private static class ActionConfigChange
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Change Configuration\" pushed"
        );
      }

      setButtonsChanging();
    }
  }

  private static class ActionConfigSet
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Set Configuration\" pushed"
        );
      }

      saveConfig();
      setButtonsNewProblem();

      // create world image
      TravellerWorld.newWorld();
    }
  }

  private static class ActionConfigDefault
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Restore Default\" pushed"
        );
      }

      loadDefaultConfig();
    }
  }

  private static ActionListener [] m_btnConfigListeners =
  {
    new ActionConfigChange(),
    new ActionConfigSet(),
    new ActionConfigDefault()
  };

  private static class ActionHeuristicsOn
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Enable All Heuristics\" pushed"
        );
      }

      CheckBoxControls.heuristicsOn();
    }
  }

  private static class ActionHeuristicsOff
    implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Traveller.java, button \"Disable All Heuristics\" pushed"
        );