JavaFX 2.0 :: How To Access FXML Controller

Jun 24, 2014

I used the SceneBuilder to create an applications and it works quite well. Now I got a problem to set the pref. size of a ScrollPane to the size of the app.

I want to install a binding between the scroll pane's pref. size and the stage's pref. size. Since the scroll pane field reside in the FXMLController class I need a way to access this field.

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JavaFX 2.0 :: How To Access Application From Controller

Sep 25, 2014

I do Java for decades, but am a FXML beginner. Currently I do FXMLLoader.load(fxmlFile) in Application.start(), which is working well. My Application instance is creating a background thread in Application.init() which feeds several custom application properties with incoming data taken from a remote model (wrapping a sensor hardware). Some of my windows shall later be able to access those properties. So the question is: How can I inject my Application instance into the FXMLLoader-created controller instances auto-bound to the FXML-created Scene instances?

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MySQL Connection From JavaFX Controller

Nov 16, 2014

I am unable to connect my javafx scene to mysql database. I get a java.lang.NullPointerException every time. I tried searching everywhere possible but no answers available. This is the Person class (super class for Teacher class):

/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/

[code].....

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JavaFX 2.0 :: StackedBarChart Not Updating In FXML App

Aug 14, 2014

The stacked bar chart not working with FXML and controller class. My code is given below
 
Controller class
/*
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* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package javafxapplication27;
import java.net.URL;
import java.util.Arrays;
import java.util.ResourceBundle;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;

[Code]...
 
When I run this program, only the barchart populating, Stacked bar chart not displas any graph.
 
Output window

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JavaFX 2.0 :: Bi Directional Binding In FXML

May 13, 2014

We are currently doing the bi directional property binding in the java code, but it would be nice to declare those bindings at the point where the UI Controls are created, ie in our FXML files.
 
I understand bi-directional binding of the form
 
value="#{controller.path.propertyName}" was removed from JavaFX 2.1
 
Will it be put  back in 2.2?

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JavaFX 2.0 :: FXML Application With Database

Jun 5, 2014

I'm new in JavaFX world. I'm going to write an application using FXML and this application will use embedded  database. Is there any tutorial or example showing how to connect FXML (using controller as I expect) with database. I'm using Hibernate with classic JAva - is it possible to work with Hibernate with JavaFX?

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JavaFX 2.0 :: Pop Up Using Separate FXML File

Feb 23, 2015

I have created an application in SceneBuilder, and want to call a pop up (also created separately in scene builder) when a certain button is pressed. How?

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JavaFX 2.0 :: FXML Binding On Superclass

May 14, 2014

I'm using binding into fxml:

<Button fx:id="btnSalva" defaultButton="true" mnemonicParsing="false" disable="${controller.busy}"
onAction="#salva" prefHeight="57.0" prefWidth="141.0" styleClass="text-bold" text="Salva" />
 
Controller is my controller that extends another class from which it inherits busy property.

I see that fxmlloader only looks into the bottom class and not in superclasses, don't know if it's voluntarily or a bug.

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JavaFX 2.0 :: Worker Threads - Created By Model Or By Controller?

Dec 8, 2014

Sometimes models needs to access blocking devices, like network cards, databases, files, and so on. This should be done by worker threads or services. But who is in charge of that? The controller or the model itself? I tend to say it is the model, as only the model knows about the fact that it accesses a blocking object. On the other hand, it is said that a model should be a POJO, so it would be the controller's job. Is there a best practice or general design rule?

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JavaFX - How To Open Multiple FXML Windows

Jun 2, 2014

I'm making a tic tac toe program. Currently I have a welcome screen for my tic tac toe game, once the button is clicked I want the main game to open. I have created two FXML VBox windows created from JavaFX Scene Builder. I want to know how to close the welcome menu and launch the 2nd FXML window.

This 2nd FXML window will have it's own controller where the tic tac toe calculations will be held.

Here is the event listener on when the mouse action is performed on the button

@FXML
private void startGame(ActionEvent event) {
}

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JavaFX 2.0 :: FXML Tableview - Displaying Data?

May 9, 2014

I have an FXML table view. And I want to assign value from an tableview create on class to FXML tableview. But at the end is not displaying data.
 
Example:
  
@FXML private TableView fxmlTable;
             private  TableView insideClassTable;
public class SomeClass
{
     public SomeClass(){
          insideClassTable = new TableView();
         //////////////////////////////////////////////////
               Filling insideClassTable with data.
         //////////////////////////////////////////////////
             fxmlTable=  insideClassTable;
               } 
// some other code and main
}
 
If I set value to fxmlTable, data are display correctly, but if assign value to insideClassTable first and then make fxmlTable=insideClassTable they are not display.

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JavaFX 2.0 :: How To Combine FXML Layouts Without Code

Jan 4, 2015

recently I've started using javafx and I wonder if there a way to combine FXML layouts without Java code, like insert smaller layout into bigger one?

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JavaFX 2.0 :: How To Generate Import Tag In FXML File

Jul 16, 2014

Whenever I use a control inside an .fxml file like:
 
<Label></Label>, <TableView></TableView>, etcera ...
 
I get an exception for example:
 
Label is not a valid type., TableView is not a valid Type., etcera
 
This exception I then solve with placing an import tag inside the .fxml file.
 
However as I do not know each import name, I have to look this up like writing down:
 
Label label = new Label();
 
inside a class and then place my cursor on it to see which import name Eclipse generates.
 
This import name i then put inside the .fxml file with <? import ?> beginning and end tags with question marks around it.
 
Is there anyways to automatically generate these import tags inside an .fxml file even if you don't know the import name for the control you want to use?

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JavaFX 2.0 :: Restrict TextArea To Allow Only IP Addresses With FXML

Jun 24, 2015

I have a TextArea that I am trying to restrict user inputs to allow only IP addresses format in that Area. So I thought of only allowing digits and decimal points. For multiple IPs, One IP per line, the TextArea needs to accept new lines. For the most part what I have below is working except for delete. I can't delete any entry even if I am using the associate Unicode.  Is this even the correct way of doing it?

public class RestrictIpInputTextArea extends TextArea {   
    @Override
   public void replaceText(int i, int il, String string){
       if(string.matches("[0-9_u000A_u232B_u0008_u2421_._u007F_u005F]") || string.isEmpty()){
          super.replaceText(il, il, string);

[Code] .....
 
In my FXML File I calling it as <RestrictIpInputTextArea ......

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JavaFX 2.0 :: Variables With Multiple FXML Files

Mar 31, 2015

I have a multi scene JavaFX FXML application [URL] ....
 
I have added a TextField to Scene2.fxml and Scene3.fxml files each scene has its own Controller Class with a ScreensController class that loads a HashMap with Id name, Node screen that is defined in the ScreensFramework

class (Main class)
public void addScreen(String name, Node screen) {screens.put(name, screen);}

So each time you click a Button on a screen (scene) you fire an ActionEvent and move to another screen

myController.setScreen(ScreensFramework.screen2ID); 

What I would like to do if it is possible is use the value in the TextField on Sceen2 and transfer it to the TextField on Scene3. I have discovered that unless both FXML files are loaded this is so far not possible. This is a desktop application. So how do you create a variable that is GLOBAL and has a life after one class is unloaded or one FXML file is unloaded?

At this point I do not want a database to accomplish this task.I have developed in Visual Basic 6 where I would just declare a global variable that could be used through out the application.

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JavaFX 2.0 :: Loading Localized Versions Of FXML Content?

Nov 25, 2014

I am trying to figure out the best way to load localized versions of FXML content. I know that I can localize strings, images etc. by specifying a ResourceBundle when loading the FXML using FXMLLoader with a ResourceBundle. But what about if you need to tweak the FXML for different locales (eg, adding more real estate for certain elements, different fonts, etc). Is there any way to create localized versions of FXML content? The only thing I can come up with is a naming convention like MyForm.fxml, MyForm_de_DE.fxml, ... and trying to load them based on the locale, but I'd have to come up with my own fallback for specific locales that aren't found.

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JavaFX 2.0 :: FXML Schema - Creating Dynamic Layouts

Jan 15, 2015

I need to create dynamic Layouts that are created from java source code, using JAXB. As FXML does not have a schema, this gets me in trouble.

Scene Builder cannot be used for dynamic Layouts, but if there really is no schema I could use, maybe someone knows how Scene Builder generates the fxml files.

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JavaFX 2.0 :: NullPointer By Accessing FXML Annotated Object

Jun 30, 2014

I got a strange (!?) behavior using an FXML annotated object ...
 
Consider the following:

You got an app with FXML build UI.

There is a button called connectB which is @FXML annotated...

In the initialize method of my app I disable this button.
 
After the startup of my app I want to connect to a DB ...

Therefore I use an Task<Void>

I put everything together in one class ( the main application class )

Here is the code...
 
public class MainApp extends Application implements Initializable{
// ... several other objects
@FXML
  private Button connectB;
@Override
public void initialize( URL location, ResourceBundle resources ) {
connectB.setDisable( true );

[Code] .....
 
The connectB is not null in the initialize method but later in the task class ....

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JavaFX 2.0 :: Multiple Scene And Passing Variables With FXML Files

Mar 21, 2015

Lets say I have a desire to convert and entered value to Centigrade or Fahrenheit and that I have two Radio Buttons to designate the type of conversion with the Answer posted to a TextField on Scene Two from a button click event on Scene One ok Now I would like to convert the value in the TextField on Scene Two to Kelvin and reflect the value on Scene Three in a TextField by clicking a button on Scene Two
 
lets say  I have 4 FXML files sceneONE sceneTWO and scenMain and I created 4 controllers ControllerONE and MasterController

So far I can navigate to the different scens with just the MasterController code below...

BUT because I have two FXML files I can not capture the value in the first FXML file and pass it to the second scene
 
This project is my attempt to adapt the FXML style code from this web site

Switching to Different Screens in JavaFX and FXML | JavaFXTutorials

Which uses this code to switch scenes

    //get reference to the button's stage                stage=(Stage) btnS1.getScene().getWindow();
       //load up OTHER FXML document
       root = FXMLLoader.load(getClass().getResource("ATTwo.fxml"));

But will not permit variable transfer due to scope of variables which reside in two different FXML files
 
public class MasterController implements Initializable{@FXML public Button btnS1;
@FXML public Button btnS2;
@FXML public Label lblS1;
@FXML public Label lblS2;
@FXML public TextField txfS1;
@FXML public TextField txfS2;
@FXML public AnchorPane root;

[Code] .....

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JavaFX 2.0 :: Access Screen From The Web?

May 16, 2014

how to access my rrmLogin from the web?
 
With JSP can do? How do it? or exist other way? or: [URL] ....
 
I tested (i need some configuration): [URL] .... but this method download the jar file (and other libraries) right? and the program act same as a Desktop app, right?

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How To Access Methods From Other Classes Using Buttons In Javafx

Jun 4, 2014

I have a javafx class that has buttons and textfields. Here is the code for a button, and i want the button to make a new object but im having trouble setting the constructor

Label label = new Label("Type");
GridPane.setHalignment(label, HPos.RIGHT);
TextField textField = new TextField();

Label label2 = new Label("First Name");
GridPane.setHalignment(label2, HPos.RIGHT);
TextField textField2 = new TextField();

[Code] ....

after i create the object i will insert the object in an arraylist of person objects

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JavaFX 2.0 :: Access Scene Graph Data From EDT

May 11, 2014

I have following methods, which I call from the Event Dispatcher Thread:
 
public void setTitle(String title) {       
Platform.runLater(() -> stage.setTitle(title));}   
public String getTitle() {       
return stage.getTitle(); // <- Access from outside JFX App Thread ok?} 

Is it thread-safe, when the getter-Method just return the value like the example show? Or must I create a Runnable, so stage.getTitle() is called inside the Java Application Thread? How I return the value then?

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JavaFX 2.0 :: How To Access The Formatted Text Of A TableCell

Nov 20, 2014

Our users want us to build the following ontop of a TableView: When a key was typed, the row selection shall change to the first row showing a cell in a given column whose getText() starts with the typed letter. Such a functionality is known from lots of other software, like the Windows file explorer, where you can type a key to jump to the first file starting with that letter. It shouldn't be too complex to build, but due to the separation of "items" and "formatted cell text" it actually is... :-(
 
Using TableColumn.getCellData(S) we can access the item, but at that point, we don't want to repeat the formatting just for the sake of this functionality. We have set a cell factory providing this format, so the view looks great, but how can we access that formatted String programmatically to jump to the right row at a later time?

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Observer Controller Pattern (MVC)

Dec 10, 2014

Model View Controller design pattern I completely understand then I was told about the observer controller pattern. After reading and reading I and watching video clips on youtube explaining it I have a question:

Isn't the actionListener the observer so to speak. It is firing whatever action it is told to do and dynamically updates the program to.

Example, I have a JButtons and a JTextArea. I press the button and it gives the current stock price of some stock, I press it again it refreshes. Sounds like an observer to me... Am i on the right track here?

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Swing/AWT/SWT :: How Controller Interacts With View

Sep 12, 2014

create an application following the MVC pattern. My frame is composed of a JTable with some JComboBox and classic next/previous buttons to page the table. The table shows data of current accounts of the members of a family. My problem is figuring out how the controller interacts with the view, for example to enable / disable buttons or reset and reload the data in the comboboxes. In the view class all the graphical components are private instance variables. What is the best approach to ensure that the controller can act on them?

I need to create in the view public methods to act on each component like getSelectedItemAccountCombo, getSelectedItemYearsCombo, getSelectedItemMonthCombo, populateAccountCombo (ArrayList <String> list), setNextButton (boolean b) ... and so on (I think that the methods would be many ...) This approach does not convince me because I think that the class is fouled by procedures that should be in the controller class.

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Swing/AWT/SWT :: Passing Value To Combobox Through Controller

Sep 11, 2014

I've got 2 view classes with their own viewcontroller. In view 1 i'v got a combo box with a observablelist wicht show me some values.

What i want is to put an new value to the combobox through the controller of view2.

When i make the observablelist static it works but i think that isn't a nice way.

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