Package javafx.css

Class PseudoClass

  • public abstract class PseudoClass
    extends Object
    PseudoClass represents one unique pseudo-class state. Introducing a pseudo-class into a JavaFX class only requires that the method Node.pseudoClassStateChanged(javafx.css.PseudoClass, boolean) be called when the pseudo-class state changes. Typically, the pseudoClassStateChanged method is called from the protected void invalidated() method of one of the property base classes in the package.

    Note that if a node has a default pseudo-class state, a horizontal orientation for example, pseudoClassStateChanged should be called from the constructor to set the initial state.

    The following example would allow "xyzzy" to be used as a pseudo-class in a CSS selector.

      public boolean isMagic() {
           return magic.get();
       public BooleanProperty magicProperty() {
           return magic;
       public BooleanProperty magic =
           new BooleanPropertyBase(false) {
           @Override protected void invalidated() {
               pseudoClassStateChanged(MAGIC_PSEUDO_CLASS. get());
           @Override public Object getBean() {
               return MyControl.this;
           @Override public String getName() {
               return "magic";
       private static final PseudoClass
           MAGIC_PSEUDO_CLASS = PseudoClass.getPseudoClass("xyzzy");
    JavaFX 8.0
    • Constructor Detail

      • PseudoClass

        public PseudoClass()
    • Method Detail

      • getPseudoClass

        public static PseudoClass getPseudoClass​(String pseudoClass)
        There is only one PseudoClass instance for a given pseudoClass.
        pseudoClass - the pseudo-class
        The PseudoClass for the given pseudoClass. Will not return null.
        IllegalArgumentException - if pseudoClass parameter is null or an empty String
      • getPseudoClassName

        public abstract String getPseudoClassName()
        the pseudo-class state