package greenfoot.guifx;

import java.io.File;

import bluej.GuiHandler;
import bluej.Main;
import bluej.pkgmgr.Project;
import greenfoot.core.ProjectManager;
import javafx.stage.Stage;
import threadchecker.OnThread;
import threadchecker.Tag;




| A GUI handler for Greenfoot.
|
| @author Davin McCall
|
@OnThread(Tag.FXPlatform)
public class GreenfootGuiHandler
implements GuiHandler{    
   @Override
   
   public boolean tryOpen(File path, boolean displayError)
   {
      Project project = Project.openProject(path.toString());
      if (project != null) {
         ProjectManager.instance().launchProject(project);
           
         return true;         
         }
       

      else
       {
         if (GreenfootStage.openArchive(path, null))
           {                
            return true;             
            }
           
         
         return false;         
         }     
      }

   
   @Override
   
   public void handleAbout()
   {
      GreenfootStage.aboutGreenfoot(null);     
      }

   
   @Override
   
   public void handlePreferences()
   {
      GreenfootStage.showPreferences();     
      }

   
   @Override
   
   public void handleQuit()
   {
      Main.wantToQuit();     
      }

   
   @Override
   
   public Stage initialOpenComplete(boolean projectOpen)
   {
      if (! projectOpen) {
         GreenfootStage stage = GreenfootStage.makeStage(null, null);
         stage.show();
           
         return stage;         
         }
       

      else
       {
         return GreenfootStage.getOpenStage();         
         }     
      }
    
   
   @Override
   
   public void doExitCleanup()
   {
      GreenfootStage.closeAll();     
      } 
   }