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package javax.swing.plaf;

import javax.swing.JComboBox;

Pluggable look and feel interface for JComboBox.
Author:Arnaud Weber, Tom Santos
/** * Pluggable look and feel interface for JComboBox. * * @author Arnaud Weber * @author Tom Santos */
public abstract class ComboBoxUI extends ComponentUI {
Constructor for subclasses to call.
/** * Constructor for subclasses to call. */
protected ComboBoxUI() {}
Set the visibility of the popup
Params:
  • c – a JComboBox
  • v – a boolean determining the visibilty of the popup
/** * Set the visibility of the popup * * @param c a {@code JComboBox} * @param v a {@code boolean} determining the visibilty of the popup */
public abstract void setPopupVisible( JComboBox<?> c, boolean v );
Determine the visibility of the popup
Params:
  • c – a JComboBox
Returns:true if popup of the JComboBox is visible
/** * Determine the visibility of the popup * * @param c a {@code JComboBox} * @return true if popup of the {@code JComboBox} is visible */
public abstract boolean isPopupVisible( JComboBox<?> c );
Determine whether or not the combo box itself is traversable
Params:
  • c – a JComboBox
Returns:true if the given JComboBox is traversable
/** * Determine whether or not the combo box itself is traversable * * @param c a {@code JComboBox} * @return true if the given {@code JComboBox} is traversable */
public abstract boolean isFocusTraversable( JComboBox<?> c ); }