JavaFx expandable Textfield sample

Question

in my company we got a task to implement an autoexpandable textfield. As this functionality is not provided by default we had to develop it from scratch. There are many posibil

Answer 1

you can set PrefWidth in the listener of the text field.

// add listner

'textField.textProperty().addListener(new ChangeListener<String>() {
    @Override
    public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
        textField.setPrefWidth(textField.getText().length());
    }
});'

Answer 2

that's work for me fine

 field.setMinWidth(40);

    field.textProperty().addListener(new ChangeListener<String>() {

     @Override
     public void changed(ObservableValue<? extends String> observable, String oldValue, 
      String newValue) {
         int len = newValue.length();
         field.setPrefWidth(len*10);
       if(newValue.isEmpty() || oldValue.isEmpty()){
            field.setPrefWidth(40);
        }        
     });