This can be, for example, a class for marking that a component has the focus or there is the mouse cursor over the component. In addition to regular classes, which mark specific components, there are so-called pseudo-classes, which mark a state of a component. You can check the list of all the properties in the official styling guide. The property names are different, and there is a lot of new properties specific to JavaFX. Label label = new Label ( "I am a simple label" ) Īlthough CSS used in JavaFX is very similar to the original web CSS, there is one big difference. The following selector applies to all the elements with class label.
The convention is to separate individual words with a comma. A selector, which should apply to all of the elements of the same class starts with a dot. ClassĬlass in CSS represents multiple similar elements. It pretty much the same as in regular CSS.
Now let's take a closer look at how selectors work in JavaFX. To sum it up - we created a rule which says - all the buttons everywhere should have their text of size 15px. The value is 15px here but could be anything else we would desire. In our example, we have a property -fx-font-size, which means how big the text will be. Properties are everything inside the curly braces.Įach property has a specific value. The second part is actual styling properties, which will be applied to all the components, which match our selector. This determines to which components the styling should be applied. In JavaFX, this is very similar, although JavaFX uses a set of its own custom properties. You probably know CSS (Cascading Style Sheets) from the web, where it is used to style HTML pages. You can easily even have multiple themes, which you can switch on demand. This way, your styling is independent and can be easily replaced or changed without affecting the rest of the application. Instead, visuals should be clearly separated in CSS stylesheets. To be honest, you can achieve it in FXML, but you shouldn't.
That is - fonts, colors, backgrounds, paddings. It does not define the visuals of the component, though. FXML manages only what components are in your app, their properties, and how they are nested. Now there is a third part on top of this. Components and their properties are declared in an FXML file, while the interaction logic is neatly separated in a controller.
#JAVAFX BUTTONBAR SET BUTTON SIZE CODE#
In the previous article about FXML, we learned how JavaFX achieves clean separation of concerns by dividing the user interface code into two parts. JavaFX Weaver: Integration of JavaFX and Spring Boot applications.
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