package bluej.utility.javafx;

import bluej.Config;

import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Dialog;
import javafx.scene.control.DialogPane;
import javafx.stage.Modality;
import javafx.stage.Window;
import threadchecker.OnThread;
import threadchecker.Tag;




| An FX dialog containing all repeated to code needed when creating
| general dialogs.
|
| @author Amjad Altadmri
|
@OnThread(value = Tag.FXPlatform, ignoreParent = true)
public class FXCustomizedDialog<R> extends Dialog<R>{    
   protected FXCustomizedDialog(Window owner, String title, String style)
   {
      initOwner(owner);
      initModality(Modality.WINDOW_MODAL);
      setTitle(Config.getString(title));
      setResizable(true);
       
      setDialogPane(new DialogPane() {            
         @Override
         @OnThread(value = Tag.FXPlatform, ignoreParent = true)
           
         protected Node createButtonBar()
           {
            return wrapButtonBar(super.createButtonBar());             
            }         
         });
      JavaFXUtil.addStyleClass(this.getDialogPane(), style);
      Config.addDialogStylesheets(getDialogPane());     
      }

   
   
   protected Node wrapButtonBar(Node original)
   {        
      return original;     
      }

   
   protected void setModal(boolean makeModal)
   {
      initModality(makeModal ? Modality.APPLICATION_MODAL : Modality.NONE);     
      }

   
   protected void setContentPane(Node content)
   {
      getDialogPane().setContent(content);     
      }

   
   public Window asWindow()
   {
      Scene scene = getDialogPane().getScene();
      if (scene == null)
           
      return null;
      return scene.getWindow();     
      }

   
   


| For a dialog that has yet to be made visible, position it centred over the given window.
| (The positioning takes effect once the dialog becomes visible. This method is designed
| to only be called on not visible windows, and only once before the window is made visible).
|
public void setLocationRelativeTo(Window window)
   {        
      
        
      JavaFXUtil.addSelfRemovingListener(widthProperty(), (newval) -> {
      double xpos = window.getX() + (window.getWidth() - newval.doubleValue()) / 2;
      setX(xpos);         
      });
   JavaFXUtil.addSelfRemovingListener(heightProperty(), (newval) -> {
   double xpos = window.getY() + (window.getHeight() - newval.doubleValue()) / 2;
   setY(xpos);         
   });
}

   
protected void dialogThenHide(FXPlatformRunnable action)
   {
   action.run();
   hide();     
   } 
}