package greenfoot.guifx;

import bluej.utility.javafx.FXPlatformConsumer;
import javafx.geometry.Insets;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.scene.text.Text;
import javafx.scene.text.TextFlow;
import threadchecker.OnThread;
import threadchecker.Tag;




| This is the JavaFX-based Greenfoot.ask GUI which is shown in the IDE
| when Greenfoot.ask is called.  Not to be confused with AskPanel, which
| is the Swing version shown when running as a standalone application.
|
@OnThread(Tag.FXPlatform)
public class AskPaneFX
extends BorderPane{
   
   private final Text promptText;
   
   
   private final TextField textField;
   
   
   private FXPlatformConsumer<String> withAnswer;

   
   public AskPaneFX()
   {        
      promptText = new Text();
        
       
      textField = new TextField();
      textField.setOnAction(e -> enter());
        
       
      Button enterButton = new Button("OK");
      enterButton.setOnAction(e -> enter());
        
       
      TextFlow promptTextFlow = new TextFlow(promptText);
       
      promptTextFlow.setPadding(new Insets(0,10,10,10));

       
      BorderPane borderPane = new BorderPane(textField, promptTextFlow, enterButton, null, null);
      borderPane.getStyleClass().add("ask-pane");
      setBottom(borderPane);
        
      setVisible(false);     
      }

   
   
   private void enter()
   {
      if (withAnswer != null)
       {
         withAnswer.accept(textField.getText());
           
         withAnswer = null;         
         }     
      }

   
   


| Focuses the text field in the pane
|
public void focusTextEntry()
   {
      textField.requestFocus();     
      }

   
   


| Sets the text above the text field (usually a question to the user)
|
public void setPrompt(String prompt)
   {
      promptText.setText(prompt);     
      }

   
   


| Sets the handler for the answer, once the user has input it and pressed enter/clicked OK.
|
public void setWithAnswer(FXPlatformConsumer<String> withAnswer)
   {        
      this.withAnswer = withAnswer;     
      } 
   }