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
034: * single choice of license, a recipient has the option to distribute
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
039: * made subject to such option by the copyright holder.
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 PreferredBoundsAnimator extends Animator {
055:
056: private HashMap<Widget, Rectangle> sourceBounds = new HashMap<Widget, Rectangle>();
057: private HashMap<Widget, Rectangle> targetBounds = new HashMap<Widget, Rectangle>();
058: private HashMap<Widget, Boolean> nullBounds = new HashMap<Widget, Boolean>();
059:
060: public PreferredBoundsAnimator(SceneAnimator sceneAnimator) {
061: super (sceneAnimator);
062: }
063:
064: public void setPreferredBounds(Widget widget,
065: Rectangle preferredBounds) {
066: assert widget != null;
067: sourceBounds.clear();
068: boolean extra = preferredBounds == null;
069: nullBounds.put(widget, extra);
070: Rectangle rect = null;
071: if (extra && widget.isPreferredBoundsSet()) {
072: rect = widget.getPreferredBounds();
073: widget.setPreferredBounds(null);
074: }
075: targetBounds.put(widget, extra ? widget.getPreferredBounds()
076: : preferredBounds);
077: if (rect != null)
078: widget.setPreferredBounds(rect);
079: start();
080: }
081:
082: protected void tick(double progress) {
083: for (Map.Entry<Widget, Rectangle> entry : targetBounds
084: .entrySet()) {
085: Widget widget = entry.getKey();
086: Rectangle sourceBoundary = sourceBounds.get(widget);
087: if (sourceBoundary == null) {
088: sourceBoundary = widget.getBounds();
089: if (sourceBoundary == null)
090: sourceBoundary = new Rectangle();
091: sourceBounds.put(widget, sourceBoundary);
092: }
093: Rectangle targetBoundary = entry.getValue();
094: Rectangle boundary;
095: if (progress >= 1.0) {
096: boundary = nullBounds.get(widget) ? null
097: : targetBoundary;
098: } else
099: boundary = new Rectangle(
100: (int) (sourceBoundary.x + progress
101: * (targetBoundary.x - sourceBoundary.x)),
102: (int) (sourceBoundary.y + progress
103: * (targetBoundary.y - sourceBoundary.y)),
104: (int) (sourceBoundary.width + progress
105: * (targetBoundary.width - sourceBoundary.width)),
106: (int) (sourceBoundary.height + progress
107: * (targetBoundary.height - sourceBoundary.height)));
108: widget.setPreferredBounds(boundary);
109: }
110: if (progress >= 1.0) {
111: sourceBounds.clear();
112: targetBounds.clear();
113: nullBounds.clear();
114: }
115: }
116:
117: }
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