Package jmri.util.swing

Class JComboBoxUtil

java.lang.Object

jmri.util.swing.JComboBoxUtil

public class JComboBoxUtil
extends Object

Common utility methods for working with JComboBoxes.

To do vertical sizing of empty JComboBoxen, this will create a dummy object and cast it to the contents' type. This can fail.

Since:

4.9.5

Constructor Summary

Constructors

Constructor	Description
JComboBoxUtil()

Method Summary

Modifier and Type	Method	Description
static <E, T extends JComboBox<E>> void	setupComboBoxMaxRows(T inComboBox)	Set the maximum number of rows for a JComboBox so that it always can fit on the screen

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JComboBoxUtil

public JComboBoxUtil()

Method Details

setupComboBoxMaxRows

public static <E,
T extends JComboBox<E>> void setupComboBoxMaxRows(T inComboBox)

Set the maximum number of rows for a JComboBox so that it always can fit on the screen

To do vertical sizing of empty JComboBoxen, this will create a temporary String and use that to set a default height based on the current font settings.

Type Parameters:

E - type of JComboBox contents

T - subclass of JComboBox being setup

Parameters:

inComboBox - the JComboBox to setup