/* * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package javax.swing.plaf.basic;import javax.swing.*;import javax.swing.plaf.UIResource;import java.awt.Container;import java.awt.Dimension;/** * The default layout manager for Popup menus and menubars. This * class is an extension of BoxLayout which adds the UIResource tag * so that pluggable L&Fs can distinguish it from user-installed * layout managers on menus. * * @author Georges Saab */public class DefaultMenuLayout extends BoxLayout implements UIResource { public DefaultMenuLayout(Container target, int axis) { super(target, axis); } public Dimension preferredLayoutSize(Container target) { if (target instanceof JPopupMenu) { JPopupMenu popupMenu = (JPopupMenu) target; sun.swing.MenuItemLayoutHelper.clearUsedClientProperties(popupMenu); if (popupMenu.getComponentCount() == 0) { return new Dimension(0, 0); } } // Make BoxLayout recalculate cached preferred sizes super.invalidateLayout(target); return super.preferredLayoutSize(target); }}
/*
* Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javax.swing.plaf.basic;
import javax.swing.*;
import javax.swing.plaf.UIResource;
import java.awt.Container;
import java.awt.Dimension;
/**
* The default layout manager for Popup menus and menubars. This
* class is an extension of BoxLayout which adds the UIResource tag
* so that pluggable L&Fs can distinguish it from user-installed
* layout managers on menus.
*
* @author Georges Saab
*/
public class DefaultMenuLayout extends BoxLayout implements UIResource {
public DefaultMenuLayout(Container target, int axis) {
super(target, axis);
}
public Dimension preferredLayoutSize(Container target) {
if (target instanceof JPopupMenu) {
JPopupMenu popupMenu = (JPopupMenu) target;
sun.swing.MenuItemLayoutHelper.clearUsedClientProperties(popupMenu);
if (popupMenu.getComponentCount() == 0) {
return new Dimension(0, 0);
}
}
// Make BoxLayout recalculate cached preferred sizes
super.invalidateLayout(target);
return super.preferredLayoutSize(target);
}
}