package org.woehlke.computer.kurzweil.tabs.randomwalk;
   
   import lombok.EqualsAndHashCode;
   import lombok.Getter;
   import lombok.ToString;
   import lombok.extern.log4j.Log4j2;
   import org.woehlke.computer.kurzweil.application.ComputerKurzweilContext;
   import org.woehlke.computer.kurzweil.commons.tabs.TabContext;
   
  import java.util.concurrent.ForkJoinTask;
  
  import static java.lang.Thread.State.NEW;
  
  @Log4j2
  @Getter
  @ToString(exclude = {"tab"})
  @EqualsAndHashCode(exclude = {"tab"},callSuper = false)
  public class RandomWalkContext extends ForkJoinTask<Void> implements TabContext, RandomWalk {
  
      private final ComputerKurzweilContext ctx;
      private final RandomWalkCanvas canvas;
      private final RandomWalkModel tabModel;
      private final RandomWalkTab tab;
      private RandomWalkController controller;
  
      public RandomWalkContext(
          RandomWalkTab tab
      ) {
          this.tab = tab;
          this.ctx = tab.getCtx();
          this.canvas = new RandomWalkCanvas( this);
          this.tabModel = this.canvas.getTabModel();
          this.controller = new RandomWalkController(this);
      }
  
      @Override
      public void stopController() {
          this.controller.exit();
          this.controller = new RandomWalkController(this);
      }
  
      @Override
      public void startController() {
          if(this.controller == null){
              this.controller = new RandomWalkController(this);
          } else {
              if(this.controller.getState() != NEW){
                  this.stopController();
              }
          }
      }
  
      @Override
      public Void getRawResult() {
          return null;
      }
  
      @Override
      protected void setRawResult(Void value) {
  
      }
  
      @Override
      protected boolean exec() {
          this.tab.repaint();
          return true;
      }
  
  }