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* Copyright (c) 2005-2010 Substance Kirill Grouchnikov. All Rights Reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* o Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* o Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* o Neither the name of Substance Kirill Grouchnikov nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package org.pushingpixels.substance.internal.utils;
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import java.awt.event.MouseEvent;
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import javax.swing.ButtonModel;
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import javax.swing.JMenuItem;
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import javax.swing.event.MouseInputListener;
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import org.pushingpixels.substance.internal.animation.StateTransitionTracker;
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* Menu item listener for rollover effects. Tracks the mouse motion interaction
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* for the associated menu item. This class is <b>for internal use only</b>.
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* @author Kirill Grouchnikov
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public class RolloverMenuItemListener implements MouseInputListener {
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* If the mouse pointer is currently inside the associated menu item area,
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* <code>this</code> flag is <code>true</code>.
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private boolean isMouseInside;
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* The associated menu item.
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private JMenuItem item;
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private StateTransitionTracker stateTransitionTracker;
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* The associated menu item.
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public RolloverMenuItemListener(JMenuItem item,
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StateTransitionTracker stateTransitionTracker) {
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this.stateTransitionTracker = stateTransitionTracker;
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this.isMouseInside = false;
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* @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
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public void mouseEntered(MouseEvent e) {
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this.stateTransitionTracker.turnOffModelChangeTracking();
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this.isMouseInside = true;
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this.item.getModel().setRollover(true);
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this.stateTransitionTracker.onModelStateChanged();
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* @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
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public void mouseExited(MouseEvent e) {
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this.stateTransitionTracker.turnOffModelChangeTracking();
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this.isMouseInside = false;
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this.item.getModel().setRollover(false);
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this.stateTransitionTracker.onModelStateChanged();
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* java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
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public void mouseReleased(MouseEvent e) {
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this.stateTransitionTracker.turnOffModelChangeTracking();
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ButtonModel model = this.item.getModel();
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model.setRollover(false);
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this.stateTransitionTracker.onModelStateChanged();
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* @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
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public void mouseClicked(MouseEvent e) {
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* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
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public void mousePressed(MouseEvent e) {
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* java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent
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public void mouseDragged(MouseEvent e) {
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* java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
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public void mouseMoved(MouseEvent e) {
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this.stateTransitionTracker.turnOffModelChangeTracking();
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this.item.getModel().setRollover(this.isMouseInside);
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this.stateTransitionTracker.onModelStateChanged();