freeseawind.lf.basic.popupmenu.LuckPopupMenuUI Maven / Gradle / Ivy

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Java Swing cross platform LookAndFeel

There is a newer version: 2.0.1

package freeseawind.lf.basic.popupmenu;

import javax.swing.JComponent;
import javax.swing.LookAndFeel;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicPopupMenuUI;

/**
 * PopupMenuUI，设置组件为不完全透明。
 * 
 * 另请参见 {@link LuckPopupMenuSeparatorUI}, {@link LuckPopupMenuUIBundle}
 * 
 *
 * @author freeseawind@github
 * @version 1.0
 *
 */
public class LuckPopupMenuUI extends BasicPopupMenuUI
{
    public static ComponentUI createUI(JComponent c)
    {
        return new LuckPopupMenuUI();
    }

    public LuckPopupMenuUI()
    {
        super();
    }

    public void installUI(JComponent c)
    {
        super.installUI(c);
    }

    @Override
    protected void uninstallDefaults()
    {
        super.uninstallDefaults();
        
        popupMenu.setBorder(null);
    }

    public void installDefaults()
    {
        super.installDefaults();

        LookAndFeel.installProperty(popupMenu, "opaque", Boolean.FALSE);
    }
}