001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
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035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
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040: */
041: package org.netbeans.modules.visual.animator;
042:
043: import org.netbeans.api.visual.widget.Widget;
044: import org.netbeans.api.visual.animator.Animator;
045: import org.netbeans.api.visual.animator.SceneAnimator;
046:
047: import java.awt.*;
048: import java.util.HashMap;
049: import java.util.Map;
050:
051: /**
052: * @author David Kaspar
053: */
054: public final class PreferredLocationAnimator extends Animator {
055:
056: private HashMap<Widget, Point> sourceLocations = new HashMap<Widget, Point>();
057: private HashMap<Widget, Point> targetLocations = new HashMap<Widget, Point>();
058:
059: public PreferredLocationAnimator(SceneAnimator sceneAnimator) {
060: super (sceneAnimator);
061: }
062:
063: public void setPreferredLocation(Widget widget,
064: Point preferredLocation) {
065: assert widget != null;
066: assert preferredLocation != null;
067: sourceLocations.clear();
068: targetLocations.put(widget, preferredLocation);
069: start();
070: }
071:
072: protected void tick(double progress) {
073: for (Map.Entry<Widget, Point> entry : targetLocations
074: .entrySet()) {
075: Widget widget = entry.getKey();
076: Point sourceLocation = sourceLocations.get(widget);
077: if (sourceLocation == null) {
078: sourceLocation = widget.getPreferredLocation();
079: if (sourceLocation == null) {
080: sourceLocation = widget.getLocation();
081: if (sourceLocation == null) {
082: sourceLocation = new Point();
083: }
084: }
085: sourceLocations.put(widget, sourceLocation);
086: }
087: Point targetLocation = entry.getValue();
088: if (targetLocation == null)
089: continue;
090: Point point;
091: if (progress >= 1.0)
092: point = targetLocation;
093: else
094: point = new Point(
095: (int) (sourceLocation.x + progress
096: * (targetLocation.x - sourceLocation.x)),
097: (int) (sourceLocation.y + progress
098: * (targetLocation.y - sourceLocation.y)));
099: widget.setPreferredLocation(point);
100: }
101: if (progress >= 1.0) {
102: sourceLocations.clear();
103: targetLocations.clear();
104: }
105: }
106:
107: }
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