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-/* PopupFactory.java --
- Copyright (C) 2003 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package javax.swing;
-
-import java.awt.Component;
-
-
-/**
- * A factory for <code>Popup</code> objects. These are used to
- * managed little windows that float over everything else,
- * typically containing a popup menu.
- *
- * @since 1.4
- *
- * @author Sascha Brawer (brawer@dandelis.ch)
- */
-public class PopupFactory
-{
- /**
- * The shared factory object.
- *
- * @see #getSharedFactory
- * @see #setSharedFactory
- */
- private static PopupFactory sharedFactory;
-
-
- /**
- * Constructs a new <code>PopupFactory</code>. Usually, a single
- * <code>PopupFactory</code> is shared among multiple consumers
- * of <code>Popup</code>. Use {@link #getSharedInstance} to retrieve
- * the current factory.
- */
- public PopupFactory()
- {
- }
-
-
- /**
- * Sets the shared factory.
- *
- * @param factory the PopupFactory that future invocations of
- * {@link #getSharedInstance} will return.
- *
- * @throws IllegalArgumentException if <code>factory</code>
- * is <code>null</code>.
- */
- public static void setSharedInstance(PopupFactory factory)
- {
- if (factory == null)
- throw new IllegalArgumentException();
-
- /* Swing is not designed to be thread-safe, so there is no
- * need to synchronize the access to the global variable.
- */
- sharedFactory = factory;
- }
-
-
- /**
- * Retrieves the shared factory, creating a new factory if
- * necessary.
- *
- * @return a <code>PopupFactory</code> that can be used
- * to create <code>Popup</code> objects.
- */
- public static PopupFactory getSharedInstance()
- {
- /* Swing is not designed to be thread-safe, so there is no
- * need to synchronize the access to the global variable.
- */
- if (sharedFactory == null)
- sharedFactory = new PopupFactory();
-
- return sharedFactory;
- }
-
-
- /**
- * Creates a new <code>Popup</code> given its owner,
- * contents and the screen position where the popup
- * will appear.
- *
- * @param owner the Component to which <code>x</code> and
- * <code>y</code> are relative, or <code>null</code> for
- * placing the popup relative to the origin of the screen.
- *
- * @param contents the contents that will be displayed inside
- * the <code>Popup</code>.
- *
- * @param x the horizontal position where the Popup will appear.
- *
- * @param y the vertical position where the Popup will appear.
- *
- * @throws IllegalArgumentException if <code>contents</code>
- * is <code>null</code>.
- */
- public Popup getPopup(Component owner, Component contents,
- int x, int y)
- {
- return new Popup.JWindowPopup(owner, contents, x, y);
- }
-}
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