JavaFX 2.0 :: LocalDateTime - How To Get Millis From Epoch

May 26, 2014

I'm using new LocalDate and LocalDateTime in my app. But I can't figure out how to get millis from epoch. I see that LocalDateTime inherits toEpochSecond() from the interface ChronoZonedDateTime, but unfortunately the method has default access type so I can't use this method. So, Which is the correct way to get millis from epoch in new LocalDateTime?

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LocalDateTime Class And UTC Time

Jun 8, 2014

Does LocalDateTime.now() return the date in UTC time or local time?When I check with:

System.out.println("current time: " + LocalDateTime.now());

It gives local time. However, I am not sure if it is the toString() method of LocalDateTime that converts it to local time, or if it indeed returns time in local time. I need to save data to database in utc time, and I would like to know if LocalDateTime can give utc time.

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How To Convert Cassandra Date Object To Epoch Timestamp In Java

Oct 27, 2014

I am creating a java plugin for moving data from cassandra database to elastic search.

I am getting all the data but the date which I am getting from the database is in human readable form ie Row[Fri Jul 25 11:36:10 IST 2014].

I want this to be converted to epoch timestamp format like 1414386721. How to do this.

How to get the date from the row object above ie I want to get the date from Row[Fri Jul 25 11:36:10 IST 2014].

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JavaFX 2.0 :: Stage Always On Top

Aug 14, 2014

I am developing JavaFX application. I have requirement like that javafx application should be always on top. I could not find an option to make it always on top.

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Difference Between JavaFX And Swing?

Jan 28, 2014

I know that oracle has released a statement saying that JavaFX will eventually replace Swing. What is the advantage of JavaFX? The new format, using "stage" instead of JFrame, seemed weird. Why is this change necessary? What benefit do we reap from JavaFX that Swing does not have?

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How To Convert Java App To JavaFX App

Oct 24, 2014

I am using netbeans scenebuilder and I am a little confused on how I would convert my state capitals java code to a javaFX app.

public class StateCapitals {
Scanner in;
public static void main(String[] args) {
readData();
}
public static void readData() { // Location of file to read
File file = new File("statecapitals.txt");

[code]....

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JavaFX Will Not Display Image

Oct 21, 2014

I've been on this for a while and for some reason I just can't seem to get this to work. I know my code is solid, but it won't display my image. I've tried swithcing the image to different directories and also using different image sizes and types. I even used Orcale's guide to display your image, but still no go! All I get is a blank canvas? There are no errors. I'm also running NetbeansIDE 8 that supports JavaFX and I made sure the project is a JavaFX Application project.

All I get is a blank new window, but no images.

Here's my code:

package javafxapplication3;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.image.Image;

[code]....

The homework called for me to display it three times - the first one regular, second resized, and the last one rotated. I even deleted the extra images in hope at least one appears.

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JavaFX Get Coordinates From Path?

May 8, 2014

I'm working on a project right now in JavaFX, and got stuck. I am drawing a path consisting of CubicCurveTo's and I wonder if there's any way to get the X and Y coordinates from certain parts of that path.

Imagine following a curve (path) with a pencil slowly, and every second you take note the X and Y coordinate. I mean I'm not interested in the control points or start and end points, but the points "in between", preferably at a certain interval.

I've searched for many things online, but have trouble knowing exactly which words to search for. "Paths" often bring up file paths, traversing, coordinates etc. all fail to give me any good results.

I tried to be as specific I could, and I don't think my current code is of any interest in this matter.

(The point of it all is that the path should simulate the path a person walks, and I will store the coordinates in a database for every second).

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New Object JavaFX With Scenebuilder

May 28, 2014

When i press a button, i want to create a new object in my window(that i have created using scenbuilder, so i have a FXML file and a Controller class). In the window where i have a create button, there are also some textfields where you are supposed to enter name and date.

What i want to do is take the input from the TextField and store is temporally in a String variable, Its this strings i want to take the data from when i create a new object on my View. When i try to do something with the TextFields i get multiple errors that i dont understand at all.

I know my code may be very un-structured the absolute right way, i know, but i dont have time reconstructing and trying to understanding new patterns .The object is the circle and the vertical line.

TimelineMainView Controller
public class TimelineController{
StageClass sc = new StageClass();
NewTimelineController nt = new NewTimelineController();

[code]....

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JavaFX 2.0 :: Navigating Between Views

Jan 24, 2015

I'm quite new to JavaFX, and currently struggling with navigation between views. I'll post the code and the stacktrace.
 
public class MainApp extends Application {
    private Stage primaryStage;
    private AnchorPane overviewPage;
    @Override
    public void start(Stage primaryStage) {
        this.primaryStage = primaryStage;

[Code] .....
 
Exception in thread "JavaFX Application Thread" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
    at javafx.fxml.FXMLLoader$MethodHandler.invoke(Unknown Source)
    at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(Unknown Source)
    at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(Unknown Source)
    at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(Unknown Source)

[Code] ......

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JavaFX 2.0 :: Using CSS Sub-structure On Own Nodes

May 26, 2014

I have noticed that you can style JavaFX controls using their sub-structure.

E.g. to style the label in a table column header to be left justified I can do this :
 
.table-view .column-header-background .label {    -fx-alignment: center-left ;  } 
 
How can I style my own nodes/controls doing this? Basically it amounts to asking how the selectors like ".column-header-background" are associated with sub-structures of my Java control/node objects. So suppose I have something like
 
.fancy-node .fred .label { ... }
 
How does JavaFX associate fancy-node and fred with something in my implementation of a Node/Control?

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JavaFX 2.0 :: How To Get Actually Typed $ From KeyPressed

Jan 13, 2015

ToString()-Representation of KeyEvents. I was expecting '$' as text value, because Shift was pressed.
 
Unfortunately, KeyTyped is not fired in this case, so I am not able to get the information from this event.
 
How can I get the actually typed '$' from KeyPressed?
 
KeyEvent [source = BorderPane[id=cnt_borderPane], target = Button@1a3fc21a[styleClass=button]'', eventType = KEY_PRESSED, consumed = false, character =  , text = , code = SHIFT, shiftDown]
KeyEvent [source = BorderPane[id=cnt_borderPane], target = Button@1a3fc21a[styleClass=button]'', eventType = KEY_PRESSED, consumed = false, character =  , text = 4, code = DIGIT4, shiftDown]
KeyEvent [source = BorderPane[id=cnt_borderPane], target = Button@1a3fc21a[styleClass=button]'', eventType = KEY_RELEASED, consumed = false, character =  , text = , code = SHIFT]
KeyEvent [source = BorderPane[id=cnt_borderPane], target = Button@1a3fc21a[styleClass=button]'', eventType = KEY_RELEASED, consumed = false, character =  , text = 4, code = DIGIT4]

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JavaFX 2.0 :: How To Get Text From TextFlow

Sep 5, 2014

I would like to extract text (String) from a TextFlow control.

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JavaFX 2.0 :: Is It Possible To Create Dynamic GUI?

Jul 7, 2014

I'd like the GUI to be drawn based on definition file. Is it possible to "generate" fxml (like PHP does html) so I could do this:
 
for (...) {
     command_to_generate (<button ....>);
}
 
?

Or is using legaxy javaFX code the only way to achieve it?

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JavaFX 2.0 :: How To Save Image As JPG

Apr 10, 2015

My JavaFX code like this:

WritableImage image = scene.snapshot(null);             
File outputFile = new File("C:PSBJavaFXApplication1src est0.jpg");
ImageIO.write(SwingFXUtils.fromFXImage(image, null), "jpg", outputFile); 
 
When open this jpg, its background is in orange color. For png type, it works great.

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JavaFX 2.0 :: BufferedImage To Mat - OpenCV

Mar 16, 2015

I am new to JavaFX and OpenCV. The Problem is, that JavaFX can't handle Mat objects. First I load an image as a BufferedImage. Then i have to convert this to Mat. Do my image Processing with OpenCV and again convert the result image to a BufferedImage to display in on my UI. Here are the methods for converting Buff to Mat and Mat to Buff I found on the internet:
 
public static Mat img2Mat(BufferedImage image)
    {
  byte[] data = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
  Mat mat = new Mat(image.getHeight(), image.getWidth(), CvType.CV_8UC3);
  mat.put(0, 0, data);
  return mat;

[Code] ....
 
Next I do some OpenCV stuff:
 
public static BufferedImage hello(BufferedImage img) {  
  Mat source  = img2Mat(img); //Convert Buff to Mat
  BufferedImage outImg = null;
       try{
          System.loadLibrary( Core.NATIVE_LIBRARY_NAME );

[Code] ....
 
Finally I call the hello method in my controller:
 
void menuItemTestFired(ActionEvent event) {  
    try {
              result = ImageProc.hallo(bImage);//bImage is an image I've loaded before.
              imageView.setImage(SwingFXUtils.toFXImage(result, null));

[Code] .....
 
Unfortunately I get a lot of errors. Here are the first one:
 
Caused by: java.lang.UnsatisfiedLinkError: org.opencv.core.Mat.n_Mat(III)J
  at org.opencv.core.Mat.n_Mat(Native Method)
  at org.opencv.core.Mat.<init>(Mat.java:471)
 
[Code] ....
 
Can't figure out why this doesn't work. -.-

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JavaFX 2.0 :: Fit FlowPane Into ScrollPane

Jun 10, 2014

I using this code to fir FlowPane into ScrollPane
 
FlowPane flowPane = new FlowPane(Orientation.HORIZONTAL);
ScrollPane scroll = new ScrollPane();
scroll.setContent(flowPane);
scroll.viewportBoundsProperty().addListener(new ChangeListener<Bounds>() {
@Override
public void changed(ObservableValue<? extends Bounds> ov, Bounds oldBounds, Bounds bounds) {
flowPane.setPrefWidth(bounds.getWidth());
flowPane.setPrefHeight(bounds.getHeight());
}
});

Unfortunately this maybe is not the best solution. Is there another more simple way to fit FlowPane into ScrollPane in Java 8?

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JavaFX 2.0 :: WebView And OpenLayers3

Sep 22, 2014

I'm using WebView to display an OpenLayers3 map, e.g. Animation example from openlayers.org. When I lock my screen and unlock it, none of the openlayers layers are re-drawn. Sometimes bringing the window in to focus or a small resize of the component will cause the map to go blank. This doesn't occur in any browser I've tested, so it seems to be a WebView specific issue, although it also seems to be layer specific and possibly cache related. I've only tested on Windows, 1.7.0_51 x64 and 1.8.0_05 x64 ....

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JavaFX 2.0 :: No Spinner In SceneBuilder?

Mar 18, 2015

Unless I missed it, there does not seem to be a Spinner control in SceneBuilder.
 
Is this right?

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JavaFX 2.0 :: How To Subclass TableViewBehavior

Sep 17, 2014

There are a few things lacking in the TableView's keyboard navigation handlers. In tracing the code, the behavior is handled via TableViewBehavior and its super classes. If I want to augment that behavior, how do I do it?
 
Ideally, I would like to subclass TableViewBehavior, but I don't see how I can do it. This gets created in the TableViewSkin ctor:
 
   public TableViewSkin(final TableView<T> tableView) {
        super(tableView, new TableViewBehavior<T>(tableView));
...
   }
 
but as you can see there is no factory method to create the behavior class. If there was, I could subclass TableViewSkin and override the factory method.

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JavaFX 2.0 :: FX Preloader In Standalone App

Jun 30, 2014

At the end I just copy and paste the code from section 9.3.4 (the long startup task example) and it still won't work. After starting the application I only see some black screen flickering at the upper left screen and then the main app shows up.
 
What I have done:
 
Using Netbeans 8.0 under Linux(Fedora20 64bit), JDK 1.8u5 ...
 
Here are the two classes - the main app :
 
import javafx.application.Application;
import javafx.application.Platform;
import javafx.application.Preloader.ProgressNotification;

[Code]....
 
On my machine I see only a little black flickering on the left upper screen and then immediately the app is shown...
 
The only way I can get this to run is to set the custom preloader property in the Netbeans-project properties. If you use a maven based project in Netbeans you did not got this option ...

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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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JavaFX 2.0 :: MediaView And Encrypted HLS

Jun 22, 2015

I'm trying to play an encrypted HLS video using MediaView and MediaPlayer is throwing a "can't create player" exception. Searching for a solution all I found was this post from january last year, saying it is not supported and to add a feature request. I looked in the JDK bug system for HLS/live streaming and didn't saw anything related. Is this still not working on the latest JavaFX?

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JavaFX 2.0 :: Superscript Over Image?

May 28, 2014

I have an image (16x16 icon). I want to put a superscript 10 on it -- so a 10 above and to the right.

I can probably do this with a TextFlow node, but that seems very heavy for such a simple thing.

Is there some simpler way to do this?

The 10 isn't a fixed constant (so I can't just edit my image).

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JavaFX 2.0 :: How To Set Mouse Position

Jun 19, 2014

How can I set a new Mouse position ?

Is there any class that represent the Mouse ...

The cursor class is without this ability ...

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JavaFX :: How To Check All Fields In Result Set

Jan 3, 2015

i need to seek all data in result set one by one.i excuted a query which i don't know the result of it...it could be have one result in result set or 10 result.i tested this code :

PHP Code:

    Query = "select * from book"
      while (Rs.next)) {
row.add(new  Book(Rs.getString(i)));

//Book is a class



but didn't work. do we have any other way we seek the result set without rs.next() ???

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