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JAVAFX QUESTIONS

How to bind a DoubleProperty to the difference of two other DoubleProperty in JavaFX?
How to bind a DoubleProperty to the difference of two other DoubleProperty in JavaFX?
I hope this helps . Setting the MaxWidthProperty of the cell's HBox should accomplish this. We would bind that value to the width of the ListView minus the width the ListView padding:
TAG : javafx
Date : January 09 2021, 02:14 PM , By : Gwaka
JavaFX : How to close a sub window without getting focus on main window
JavaFX : How to close a sub window without getting focus on main window
fixed the issue. Will look into that further How a window gains the focus depends on a platform (OS + JRE). The platform processes focused window that is why the window may have different behavior on different OS after calling focus request. There is
TAG : javafx
Date : January 02 2021, 06:48 AM , By : angie
Changing values to combobox from an array
Changing values to combobox from an array
hope this fix your issue In your loop, you are creating a brand new List on each iteration. So when you call setItems() on your ComboBox, the option list only has that one item in it.There are several other issues with your loop, but once you have a
TAG : javafx
Date : January 02 2021, 06:48 AM , By : psychomantis
how to make a StylableDoubleProperty editable in scenebuilder
how to make a StylableDoubleProperty editable in scenebuilder
Any of those help You are on the right track.Like any CSSMetaData object, MIN_LABEL_WIDTH has to be created in this private StyleableProperties class (see for instance TextField), and then added to the STYLEABLES list that is returned by the control'
TAG : javafx
Date : January 02 2021, 06:48 AM , By : Роман Шевчук
Bad effect on fade in/out transitions when mouse enters or leaves
Bad effect on fade in/out transitions when mouse enters or leaves
With these it helps You'll want to use the same FadeTransition for both the fade-in and the fade-out animations. When the mouse exits the Node you need reverse the animation by setting the rate property to a negative number. If you wanted to reverse
TAG : javafx
Date : January 02 2021, 06:48 AM , By : Hashim Javed
JavaFX: Need help understanding setControllerFactory
JavaFX: Need help understanding setControllerFactory
this one helps. I repeatedly came across the method setControllerFactory. Unfortunately I can't find a good explanation for how to use it properly and what it's specific purpose is
TAG : javafx
Date : January 02 2021, 06:48 AM , By : Immanuel Julianto La
updating a shape in scene with a for loop using javafx
updating a shape in scene with a for loop using javafx
it should still fix some issue It looks like what is happening is that the changes happen so fast that the Scene graph updates can't keep up and you just don't see them until the last update.I would suggest refactoring as follows which gives you slig
TAG : javafx
Date : January 02 2021, 06:48 AM , By : Robert Lee
JavaFx: Transiction
JavaFx: Transiction
To fix this issue There are several issues here: You retrieve the width before the first layout pass on the scene. At that time the width is 0. The horizontal position of the menu is detemined by both layoutX and translateX complicating things a bit
TAG : javafx
Date : January 02 2021, 05:34 AM , By : lvprasad
Automatically Crop Image in JavaFX
Automatically Crop Image in JavaFX
I wish did fix the issue. Afaik there is no build in method for this. As @Slaw mentioned in his comment, you need to use the PixelReader to check for empty rows/columns. Based on that info you can set the viewport property for the ImageView:
TAG : javafx
Date : December 31 2020, 02:07 AM , By : user3088974
Adding eventhandler to tab context menu throws null pointer exception
Adding eventhandler to tab context menu throws null pointer exception
Any of those help I would like to add the event handler to a tab context menu. And after the tab context menu is selected I would like to remove the event handler from the node. The problem is that Tab2.getContextMenu().addEventHandler(Event.ANY,hand
TAG : javafx
Date : December 30 2020, 04:08 PM , By : user3088333
JavaFx 12 : About stages
JavaFx 12 : About stages
I wish this helpful for you Sorry to say, but you are doing it all wrong. You are making everything very complex. Whenever you work with JFXDrawer. Try to make a seperate fxml file for the drawer itself, and another fxml file for the root container,
TAG : javafx
Date : December 27 2020, 02:58 PM , By : Jay Mishra
JavaFX Text Selection background
JavaFX Text Selection background
hop of those help? Based on your use of the selectionFill property I'm assuming you're using JavaFX 9 or later. Another property that was added in JavaFX 9 was the selectionShape property. That property, like the caretShape property, holds a PathElem
TAG : javafx
Date : December 26 2020, 02:01 AM , By : m.b.b
How to bind a changing Long number to a Label in javafx so that the label constantly updates
How to bind a changing Long number to a Label in javafx so that the label constantly updates
wish help you to fix your issue I can bind the changing number once at the start but it won't update for the rest of the runtime.
TAG : javafx
Date : December 26 2020, 12:01 AM , By : user3080530
Set icons to JFXButton
Set icons to JFXButton
like below fixes the issue Extending @Mayur Patel answer, use JFXButton constructor with text and graphic, see documentation JFXButton:
TAG : javafx
Date : December 25 2020, 08:30 PM , By : user3078897
JavaFx event keypress click outside the interface
JavaFx event keypress click outside the interface
wish help you to fix your issue For security reasons you won't be able to do that in a easily way, perhaps you will need to use a global library as keylogger but remember you will need to be responsible to stop the logger after you application ends.t
TAG : javafx
Date : December 24 2020, 08:01 PM , By : user3068589
Run a method if tab is clicked
Run a method if tab is clicked
I wish this helpful for you I would like to run a function when a Tab is clicked. I tried to do this in my fxml but I think Tabs do not have an onAction property to call. , One simple solution to register the tab selection is this:
TAG : javafx
Date : December 24 2020, 04:01 AM , By : user3065735
Sound stops working after pressing a key 53 times
Sound stops working after pressing a key 53 times
Hope this helps For what you are trying to do the AudioClip class is probably much better suited as the full blown MediaPlayer. It also probably not a good idea to initialize a new player every time you get an event.
TAG : javafx
Date : December 22 2020, 01:30 AM , By : user3056887
Selecting ComboBox option on key press. I would like the selection model to auto scroll/jump to the selected option
Selecting ComboBox option on key press. I would like the selection model to auto scroll/jump to the selected option
Any of those help As general behaviour, selection in a virtual control does not scroll the selected index/item into the visible region. Slightly astonished that the list in a comboBox' dropdown is no exception to that rule - would have expected at th
TAG : javafx
Date : December 21 2020, 01:01 PM , By : Dettogni
Oracle JRE-8 on Raspberry Pi4
Oracle JRE-8 on Raspberry Pi4
I wish did fix the issue. Oracle's Java 1.8 for ARM doesn't include JavaFX for ARM, so you can download the latest version available (8.60.12) from here. Other versions can be found as well from this repository. This answer covers how to install it.Y
TAG : javafx
Date : December 16 2020, 03:13 PM , By : user3053002
Displaying ComboBox items in two lines instead of displaying in one line
Displaying ComboBox items in two lines instead of displaying in one line
Does that help You'll want to setup a custom CellFactory for your ComboBox. Within the new ListCell we build, we can use a simple Label that wraps the text for us.Here is a complete example to demonstrate:
TAG : javafx
Date : December 15 2020, 09:21 AM , By : user3052326
Not on FX application thread Exception. When I try call Pane.getChildren().add() from Thread
Not on FX application thread Exception. When I try call Pane.getChildren().add() from Thread
wish of those help I have solved it this way.I use "new Timer().schedule()" instead "Thread" plus Platform.runLater() inside this timer.
TAG : javafx
Date : December 10 2020, 07:45 AM , By : user3051564
Binding properties in FXML with numerical operators causing "Can't resolve symbol" error
Binding properties in FXML with numerical operators causing "Can't resolve symbol" error
around this issue Ah don't worry, turns out the error comes up in IntelliJ but the FXML loader can find the property anyway. You can just ignore the message I suppose.
TAG : javafx
Date : December 09 2020, 05:31 AM , By : Brian Gulino
How can i completely reset a tableview to show differently structured data in the same tableview?
How can i completely reset a tableview to show differently structured data in the same tableview?
hope this fix your issue kleopatra's assumption was indeed correct. I misunderstood the usage of removeAll() and assumed it would clear the list while the method only removes the columns passed as arguments. Adding new columns in a for-loop with list
TAG : javafx
Date : December 05 2020, 12:13 PM , By : gkmahendran09
How do I dispatch key events to the correct JavaFX shape that was under the mouse?
How do I dispatch key events to the correct JavaFX shape that was under the mouse?
Does that help Key events are only delivered to the Node that has the focus. You can request a Node obtain focus by calling NoderequestFocus(). Using that, one solution is you can add mouse event handlers to each Shape that request focus when the mou
TAG : javafx
Date : December 05 2020, 06:54 AM , By : user3046140
Gluon Mobile Cardpane UI Enhancements: Cardcell Generation/Deletion & Cardpane Styling
Gluon Mobile Cardpane UI Enhancements: Cardcell Generation/Deletion & Cardpane Styling
may help you . If you check with ScenicView, you will notice that the CardPane holds a CharmListView control, which in terms uses an inner ListView that takes the size of its parent. So this should work:
TAG : javafx
Date : November 29 2020, 03:01 PM , By : Labdhi Shah
'@FXML' not applicable to type
'@FXML' not applicable to type
fixed the issue. Will look into that further There is a bit of mistake in your code. I think generatePress() is a function and you have defined it as a class.Try this in your controller class -
TAG : javafx
Date : November 29 2020, 12:01 PM , By : user3042839
Assignment of Label.setLabelFor(Node) with custom control
Assignment of Label.setLabelFor(Node) with custom control
I wish did fix the issue. This is a simple workaround that doesn't need your Button to have public visibility:
TAG : javafx
Date : November 27 2020, 03:01 PM , By : james rock
JavaFX: Is it possible to remove ColumnResizePolicy?
JavaFX: Is it possible to remove ColumnResizePolicy?
seems to work fine I have following problem. , For my solution this worked fine.
TAG : javafx
Date : November 26 2020, 06:18 AM , By : user3040252
Prevent a toggle group from not having a toggle selected - Java FX
Prevent a toggle group from not having a toggle selected - Java FX
should help you out I have a toggle group with two toggle buttons that should look like this (Yellow toggle is the selected toggle). , You can try the following code to create a persistent toggle.
TAG : javafx
Date : November 18 2020, 03:01 PM , By : Jeremy Stafford
How to corectly obtain the outer bounds of a node in JavaFX
How to corectly obtain the outer bounds of a node in JavaFX
I think the issue was by ths following , The CSS style is applied just before the first layout pass. The style property has no effect on the node until this happens. For this reason positioning children yourself is best done by overriding the layoutC
TAG : javafx
Date : October 08 2020, 08:00 PM , By : CHRIS TONER
Accessing the Value of a CheckBox in TableView
Accessing the Value of a CheckBox in TableView
Does that help That method returns null if there's no cellValueFactory set. Besides, you should really have a model to hold this state—a TableView is just a view. Unlike the TableViewSelectionModel, which represents which items are selected solely in
TAG : javafx
Date : October 08 2020, 04:00 PM , By : Leandro Lemos
How to add image in a button?
How to add image in a button?
I think the issue was by ths following , First of all, you're making the process much more complicated than it needs to be. The ImageView constructor accepts a URL for a parameter and you can pass the path to your image directly to it:
TAG : javafx
Date : October 08 2020, 02:00 AM , By : Tejender
Updating two text objects in JavaFX, one field after another, only seeing final result of both changes
Updating two text objects in JavaFX, one field after another, only seeing final result of both changes
help you fix your problem After pauseTransition.play(); you assign new value to pauseTransition and you play it again, long before the first one completes.A better approach would be :
TAG : javafx
Date : October 07 2020, 04:00 PM , By : issa hajal
JavaFX : How to manage the z-index of stages
JavaFX : How to manage the z-index of stages
it should still fix some issue The following mcve demonstrates re-ordering of back-to-front stages, once a ROOT MOUSE_EXITED_TARGET event is fired from one of them.It is a simple yet limited solution:
TAG : javafx
Date : October 07 2020, 03:00 PM , By : Yash
How to display day from selected date using javafx?
How to display day from selected date using javafx?
wish helps you I want to know the code how to get the day name of a selected date which select from the datepicker to a textfield using javafx and scenebuilder. , You should just use DateTimeFormatterExample
TAG : javafx
Date : October 07 2020, 12:00 PM , By : Kä Rïmë Kï Mō
How can I bind a Label's textFillProperty?
How can I bind a Label's textFillProperty?
I think the issue was by ths following , You can add a listener to the textProperty and handle the value when it changes.E.g.:
TAG : javafx
Date : October 05 2020, 05:00 PM , By : dina
derby database open and close connections
derby database open and close connections
I wish this help you Database Access with a Connection PoolRather than writing your own connection logic, I advise using a connection pool, for example see the Baeldung Hikari Tutorial. You can use it like this:
TAG : javafx
Date : October 04 2020, 09:00 AM , By : user6055475
How to serialize a map that contains Image objects?
How to serialize a map that contains Image objects?
wish of those help You need to customize the serialization of Picture. To customize serialization of an object you use the following two methods: void readObject(ObjectInputStream) throws ClassNotFoundException, IOException void writeObject(ObjectOut
TAG : javafx
Date : October 04 2020, 08:00 AM , By : Ding Dong
Creating Custom Control in Jar for Gluon Scene Builder 11.00
Creating Custom Control in Jar for Gluon Scene Builder 11.00
like below fixes the issue There are a few things to consider when you want to create a custom control that can be imported with Scene Builder.What qualifies as custom control
TAG : javafx
Date : October 04 2020, 07:00 AM , By : SwiftGO
How to update or change table raw's values in javafx without making the table editable?
How to update or change table raw's values in javafx without making the table editable?
it helps some times You do not update the value of a TableCell directly. Instead, modify the underlying data model values.Take a look at what type of List you're passing to the TableView when you call tableView.setItems(). It is that data type that y
TAG : javafx
Date : October 03 2020, 05:00 PM , By : Yogesh
How can I display all rows of a count query in a javafx textarea? It is only diplaying the first row instead of two rows
How can I display all rows of a count query in a javafx textarea? It is only diplaying the first row instead of two rows
I hope this helps . Each time you call setText(String value) the previous value will be overwritten. So you have to build your result string first and set it as content of the TextArea afterwards. I don't know how exactly Connection and the other com
TAG : javafx
Date : October 03 2020, 09:00 AM , By : kostas maniatis
How to write a function to return a javafx stage
How to write a function to return a javafx stage
I wish this help you By calling the method start(Stage stage) you are overriding Applicationstart which has a different signature. To have a method that receives a stage and modifies it and returns it, just use a different name:
TAG : javafx
Date : October 03 2020, 09:00 AM , By : anna Lê
How to change textfield inputs to only numbers in javafx?
How to change textfield inputs to only numbers in javafx?
fixed the issue. Will look into that further You should attach a TextFormatter to your TextField. I have attached a sample on using Decimals - since you are using money, this might make the most sense.On your text field you simply add the TextFormatt
TAG : javafx
Date : October 03 2020, 04:00 AM , By : thiemom
JavaFX: how to read CurrentTime of MediaPlayer while not in JavaFX App Thread
JavaFX: how to read CurrentTime of MediaPlayer while not in JavaFX App Thread
it helps some times JavaFX properties are not thread-safe. Memory consistency is not guaranteed: Java is allowed to create a copy of the memory containing the property object for the background thread at any time. When this happens, any changes to th
TAG : javafx
Date : October 03 2020, 03:00 AM , By : MooseDesign
Add JavaFX Label - (Using Only Java / JavaFX Code) - To Existing GUI Created With Scenebuilder / FXML
Add JavaFX Label - (Using Only Java / JavaFX Code) - To Existing GUI Created With Scenebuilder / FXML
I think the issue was by ths following , Yes, this is possible.You need a reference to the Parent (some kind of container Pane or Node) you want to add the Label to in your controller class.
TAG : javafx
Date : October 02 2020, 06:00 PM , By : jdurcan
JavaFx: about quartz scheduler
JavaFx: about quartz scheduler
Does that help Define a reference to the scheduler as a member of the Application class. Assign the scheduler reference in your start method. When the application is stopped, call the appropriate method on the scheduler to safely shut it down. Sample
TAG : javafx
Date : October 02 2020, 05:00 AM , By : JeongSoo Ha
NullPointerException passing a string from a window to another
NullPointerException passing a string from a window to another
fixed the issue. Will look into that further You're using static load methods to load the fxmls. This way a new FXMLLoader instance is created by the method that you cannot get a reference to. The FXMLLoader instance you create yourself is never used
TAG : javafx
Date : October 02 2020, 12:00 AM , By : Jessie Lee Davis
How to add regex to textfieldtablecell?
How to add regex to textfieldtablecell?
wish helps you I have to add regex or pattern to textfieldtablecell with textproperty or another way like this code but this for a simple textfield , as kleopatra suggested, you should use a TextFormatter like:
TAG : javafx
Date : October 01 2020, 09:00 PM , By : Tracylee Marshall
How to set font for label in JavaFx from root folder?
How to set font for label in JavaFx from root folder?
it helps some times I have stored fonts for my project at *>root* directory inside *>font* directory. , You can add the font to the scene as StylesheetYour Class
TAG : javafx
Date : October 01 2020, 05:00 PM , By : FramePerfect
JavaFX 8 count rows in "textarea"
JavaFX 8 count rows in "textarea"
will be helpful for those in need As already noted by @Slaw in one of his comments, there is no public API to access the line count in a textArea (emphasis by me). On the other hand, there is internal API that provides what we need - if we are daring
TAG : javafx
Date : October 01 2020, 03:00 AM , By : Sulaiman Daulay
Why does prefWidth in javafx takes an argument called height?
Why does prefWidth in javafx takes an argument called height?
this will help Here's what the documentation of NodeprefWidth(double) says:
TAG : javafx
Date : September 30 2020, 03:00 AM , By : tanveer
TreeView scrolling jumps when using large graphic nodes (TornadoFX/JavaFX)
TreeView scrolling jumps when using large graphic nodes (TornadoFX/JavaFX)
Does that help Don't use cellFormat for complex tree UIs, since the elements will be recreated very rapidly and most probably cause flicker. Your best bet is to create a subclass of TreeCellFragment and configured it using the cellFragment call.Now y
TAG : javafx
Date : September 29 2020, 11:00 PM , By : Windarz Espinosa
Binding LongProperty to internal changes of ListProperty
Binding LongProperty to internal changes of ListProperty
fixed the issue. Will look into that further I don't know kotlin, but the answer should be easy to translate.You need to use an 'extractor' to handle this, using:
TAG : javafx
Date : September 29 2020, 04:00 PM , By : Christopher Joseph S
Can't add ImageView to background JavaFX - No fxml
Can't add ImageView to background JavaFX - No fxml
it fixes the issue I'm trying to set an image as the background of GridPane. I do not use fxml code so plain JavaFX code. , I removed src from the image path to get:
TAG : javafx
Date : September 27 2020, 08:00 AM , By : Rajath Narasimha
Using setStyle to change background color in JavaFx
Using setStyle to change background color in JavaFx
wish helps you The NullPointerException on the line waterButton.setStyle("-fx-background-color: ff0000; "); clearly tells that the variable waterButton is null (like one would already have guessed).Because you said your program was working I assume t
TAG : javafx
Date : September 26 2020, 11:00 AM , By : Vikas Borse
javafx line chart spread out categories along gridlines
javafx line chart spread out categories along gridlines
I wish this helpful for you I may have stumbled on to the answer. In SceneBuilder, under the Line Chart's CategoryAxis, in its Properties is an Animated check box. Unchecking it - but leaving Auto Ranging just below it checked - looks to have solve t
TAG : javafx
Date : September 25 2020, 07:00 PM , By : rahaf
How to get Key Press working on two file Javafx project
How to get Key Press working on two file Javafx project
will be helpful for those in need The KeyEvent.code property is undefined for KEY_TYPED events. You either need to use the character property
TAG : javafx
Date : September 24 2020, 11:00 AM , By : user234691
fxml: How to handle button action in the controller?
fxml: How to handle button action in the controller?
seems to work fine You can make use of initialize function to register an new event listener on your button and then you do what ever you want in that listener. This is the code :
TAG : javafx
Date : September 22 2020, 09:00 AM , By : Nicolas Martinez
Graphic of ButtonCell ComboBox
Graphic of ButtonCell ComboBox
it fixes the issue It's a bug: ComboBoxListViewSkin does very dirty stuff when trying to configure the buttonCell for an uncontained value. One culprit is updateDisplayText which changes text/graphic property of the buttonCell under its feet, that is
TAG : javafx
Date : August 28 2020, 03:00 AM , By : Bashir Maina
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