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72 lines
2.9 KiB
Java
72 lines
2.9 KiB
Java
/*
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* Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.apple.eawt.event;
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import javax.swing.JComponent;
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import javax.swing.JFrame;
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import javax.swing.JRootPane;
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/**
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* Registration utility class to add {@link GestureListener}s to Swing components.
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*
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* This class manages the relationship between {@link JComponent}s and the {@link GestureListener}s
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* attached to them. It adds additional functionality to AWT Windows, without adding new API to the
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* {@link java.awt.Window} class.
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*
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* To add a {@link GestureListener} to a top-level Swing window, use the {@link JRootPane} of the
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* top-level window type.
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*
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* @see GestureAdapter
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* @see JFrame#getRootPane()
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*
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* @since Java for Mac OS X 10.5 Update 7, Java for Mac OS X 10.6 Update 2
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*/
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public final class GestureUtilities {
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GestureUtilities() {
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// package private
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}
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/**
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* Attaches a {@link GestureListener} to the specified {@link JComponent}.
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* @param component to attach the {@link GestureListener} to
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* @param listener to be notified when a gesture occurs
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*/
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public static void addGestureListenerTo(final JComponent component, final GestureListener listener) {
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if (component == null || listener == null) throw new NullPointerException();
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GestureHandler.addGestureListenerTo(component, listener);
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}
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/**
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* Removes a {@link GestureListener} from the specified {@link JComponent}
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* @param component to remove the {@link GestureListener} from
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* @param listener to be removed
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*/
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public static void removeGestureListenerFrom(final JComponent component, final GestureListener listener) {
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if (component == null || listener == null) throw new NullPointerException();
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GestureHandler.removeGestureListenerFrom(component, listener);
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}
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}
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