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Oundroni
Asked: 2020-04-16 05:16:33 +0800 CST 2020-04-16 05:16:33 +0800 CST

Make controls invisible in JavaFX

  • 772

Is there a way to hide controls in javaFX so that they don't take up space? I have seen that in android it is possible: control.setVisibility(View.GONE); What comes to mind is this:

control.setVisible(false);
control.setMinSize(0,0);
control.setMaxSize(0,0);
control.setPrefSize(0,0);

but it preserves my space and forces me to restore the original sizes once the controls are visible again.

java

3 Answers

  1. This option you tried only works using the Android SDK :

    control.setVisibility(View.GONE);

    To hide a control in JavaFX, you can do it with:

     control.setVisible(false);

    or if you don't want it to take up space you have to remove it:

    contenedor.getChildren().remove(control);

    This is an example removing a button:

    enter image description here

    • 2

  2. You can try the method Node.setVisible(false)that hides the node, or you can try setManaged which goes a bit further and stops managing the node, so no calculations are done with it.

    You can check if it is managed (Managed) with the methodisManaged()

    • 1
  3. Best Answer

    In the end I have created two methods, one to hide a control and another to show it:

    void esconderControl (Control control) {
        control.setVisible(false);
        control.setManaged(false);
}
void mostrarControl (Control control) {
        control.setVisible(true);
        control.setManaged(true);
}
esconderControl (miControl); // hace desaparecer miControl de pantalla
mostrarControl (miControl);  // hace aparecer miControl de pantalla

    The method setManaged(boolean)stops handling the control, but it can still pop up on the screen unexpectedly anywhere inside its container so it's imperative to also use the methodSetVisible(bolean)

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