How to create and show common dialog Error Warning Confirmation in JavaFX 2 0

Question

How do I create and show common dialogs  Error  Warning  Confirmation  in JavaFX 2 0  I can t find any  standard  classes like Dialog  DialogBox  Message or something

User · Answer

Update  Official standard dialogs are coming to JavaFX in release 8u40  as part of the implemenation of RT-12643   These should be available in final release form around March of 2015 and in source code form in the JavaFX development repository now   In the meantime  you can use the ControlsFX solution below       ControlsFX is the defacto standard 3rd party library for common dialog support in JavaFX  error  warning  confirmation  etc    There are numerous other 3rd party libraries available which provide common dialog support as pointed out in some other answers and you can create your own dialogs easily enough using the sample code in Sergey s answer   However  I believe that ControlsFX easily provide the best quality standard JavaFX dialogs available at the moment   Here are some samples from the ControlsFX documentation

User · Answer

You can give dialog box which given by the JavaFX UI Controls Project  I think it will help you  Dialogs showErrorDialog Stage object  errorMessage    Main line    Name of Dialog box    Dialogs showWarningDialog Stage object  errorMessage    Main line    Name of Dialog box

User · Answer

To make an example of Clairton Luz  work  you need to run in the FXApplicationThread and insert into Platform runLater method your code snippet     Platform runLater    - gt                            Alert alert   new Alert Alert AlertType ERROR                           alert setTitle  Error Dialog                            alert setHeaderText  No information                              alert showAndWait                                           Otherwise  you ll get   java lang IllegalStateException  Not on FX application thread

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public myClass   private Stage dialogStage     public void msgBox String title       dialogStage   new Stage        GridPane grd pan   new GridPane        grd pan setAlignment Pos CENTER       grd pan setHgap 10       grd pan setVgap 10    pading     Scene scene  new Scene grd pan 300 150       dialogStage setScene scene       dialogStage setTitle  alert        dialogStage initModality Modality WINDOW MODAL        Label lab alert  new Label title       grd pan add lab alert  0  1        Button btn ok   new Button  fermer        btn ok setOnAction new EventHandler lt ActionEvent gt                Override         public void handle ActionEvent arg0                   TODO Auto-generated method stub             dialogStage hide                           grd pan add btn ok  0  2        dialogStage show

User · Answer

This works since java 8u40   Alert alert   new Alert AlertType INFORMATION   Content here   ButtonType OK   alert getDialogPane   setMinHeight Region USE PREF SIZE   alert show

User · Answer

Sergey is correct  but if you need to get a response from your home-spun dialog s  for evaluation in the same block of code that invoked it  you should use  showAndWait    not  show     Here s my rendition of a couple of the dialog types that are provided in Swing s OptionPane   public class FXOptionPane    public enum Response   NO  YES  CANCEL     private static Response buttonSelected   Response CANCEL   private static ImageView icon   new ImageView     static class Dialog extends Stage       public Dialog  String title  Stage owner  Scene scene  String iconFile             setTitle  title            initStyle  StageStyle UTILITY            initModality  Modality APPLICATION MODAL            initOwner  owner            setResizable  false            setScene  scene            icon setImage  new Image  getClass   getResourceAsStream  iconFile                  public void showDialog             sizeToScene            centerOnScreen            showAndWait             static class Message extends Text       public Message  String msg             super  msg            setWrappingWidth  250             public static Response showConfirmDialog  Stage owner  String message  String title         VBox vb   new VBox        Scene scene   new Scene  vb        final Dialog dial   new Dialog  title  owner  scene   res Confirm png         vb setPadding  new Inset 10 10 10 10         vb setSpacing  10        Button yesButton   new Button   Yes         yesButton setOnAction  new EventHandler lt ActionEvent gt               Override public void handle  ActionEvent e                 dial close                buttonSelected   Response YES                         Button noButton   new Button   No         noButton setOnAction  new EventHandler lt ActionEvent gt               Override public void handle  ActionEvent e                 dial close                buttonSelected   Response NO                         BorderPane bp   new BorderPane        HBox buttons   new HBox        buttons setAlignment  Pos CENTER        buttons setSpacing  10        buttons getChildren   addAll  yesButton  noButton        bp setCenter  buttons        HBox msg   new HBox        msg setSpacing  5        msg getChildren   addAll  icon  new Message  message          vb getChildren   addAll  msg  bp        dial showDialog        return buttonSelected     public static void showMessageDialog  Stage owner  String message  String title         showMessageDialog  owner  new Message  message    title      public static void showMessageDialog  Stage owner  Node message  String title         VBox vb   new VBox        Scene scene   new Scene  vb        final Dialog dial   new Dialog  title  owner  scene   res Info png         vb setPadding  new Inset 10 10 10 10         vb setSpacing  10        Button okButton   new Button   OK         okButton setAlignment  Pos CENTER        okButton setOnAction  new EventHandler lt ActionEvent gt               Override public void handle  ActionEvent e                 dial close                           BorderPane bp   new BorderPane        bp setCenter  okButton        HBox msg   new HBox        msg setSpacing  5        msg getChildren   addAll  icon  message        vb getChildren   addAll  msg  bp        dial showDialog

User · Answer

Update  JavaFX 8u40 includes simple Dialogs and Alerts   check out this blog post which explains how to use the official JavaFX Dialogs      You can have a look to the great tool JavaFX Dialogs are simple dialogs in the style of JOptionPane from Swing

User · Answer

Adapted from answer here  https   stackoverflow com a 7505528 921224  javafx scene control Alert  For a an in depth description of how to use JavaFX dialogs see  JavaFX Dialogs  official  by code makery  They are much more powerful and flexible than Swing dialogs and capable of far more than just popping up messages   import javafx scene control Alert import javafx scene control Alert AlertType  import javafx application Platform   public class ClassNameHere        public static void infoBox String infoMessage  String titleBar                   By specifying a null headerMessage String  we cause the dialog to            not have a header            infoBox infoMessage  titleBar  null              public static void infoBox String infoMessage  String titleBar  String headerMessage                Alert alert   new Alert AlertType INFORMATION           alert setTitle titleBar           alert setHeaderText headerMessage           alert setContentText infoMessage           alert showAndWait              One thing to keep in mind is that JavaFX is a single threaded GUI toolkit  which means this method should be called directly from the JavaFX application thread  If you have another thread doing work  which needs a dialog then see these SO Q amp As  JavaFX2  Can I pause a background Task   Service  and Platform Runlater and Task Javafx   To use this method call   ClassNameHere infoBox  YOUR INFORMATION HERE    TITLE BAR MESSAGE      or  ClassNameHere infoBox  YOUR INFORMATION HERE    TITLE BAR MESSAGE    HEADER MESSAGE

User · Answer

Recently released JDK 1 8 0 40 added support for JavaFX dialogs  alerts  etc  For example  to show a confirmation dialog  one would use the Alert class   Alert alert   new Alert AlertType CONFIRMATION   Delete     selection         ButtonType YES  ButtonType NO  ButtonType CANCEL   alert showAndWait     if  alert getResult      ButtonType YES          do stuff     Here s a list of added classes in this release    javafx scene control Dialog javafx scene control Alert javafx scene control TextInputDialog javafx scene control ChoiceDialog

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EDIT  dialog support was added to JavaFX  see https   stackoverflow com a 28887273 1054140    There were no common dialog support in a year 2011   You had to write it yourself by creating new Stage     Stage dialogStage   new Stage    dialogStage initModality Modality WINDOW MODAL    VBox vbox   new VBox new Text  Hi    new Button  Ok      vbox setAlignment Pos CENTER   vbox setPadding new Insets 15     dialogStage setScene new Scene vbox    dialogStage show

[dialog] How to create and show common dialog (Error, Warning, Confirmation) in JavaFX 2.0?

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