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.action;
042:
043: import org.netbeans.api.visual.animator.SceneAnimator;
044: import org.netbeans.api.visual.widget.Scene;
045: import org.netbeans.api.visual.widget.Widget;
046: import org.netbeans.api.visual.action.WidgetAction;
047:
048: /**
049: * @author David Kaspar
050: */
051: public final class ZoomAction extends WidgetAction.Adapter {
052:
053: private double zoomMultiplier;
054: private boolean useAnimator;
055:
056: public ZoomAction(double zoomMultiplier, boolean useAnimator) {
057: this .zoomMultiplier = zoomMultiplier;
058: this .useAnimator = useAnimator;
059: }
060:
061: public State mouseWheelMoved(Widget widget,
062: WidgetMouseWheelEvent event) {
063: Scene scene = widget.getScene();
064:
065: int modifiers = scene.getInputBindings()
066: .getZoomActionModifiers();
067: if ((event.getModifiers() & modifiers) != modifiers)
068: return State.REJECTED;
069:
070: int amount = event.getWheelRotation();
071:
072: if (useAnimator) {
073: SceneAnimator sceneAnimator = scene.getSceneAnimator();
074: synchronized (sceneAnimator) {
075: double zoom = sceneAnimator.isAnimatingZoomFactor() ? sceneAnimator
076: .getTargetZoomFactor()
077: : scene.getZoomFactor();
078: while (amount > 0) {
079: zoom /= zoomMultiplier;
080: amount--;
081: }
082: while (amount < 0) {
083: zoom *= zoomMultiplier;
084: amount++;
085: }
086: sceneAnimator.animateZoomFactor(zoom);
087: }
088: } else {
089: double zoom = scene.getZoomFactor();
090: while (amount > 0) {
091: zoom /= zoomMultiplier;
092: amount--;
093: }
094: while (amount < 0) {
095: zoom *= zoomMultiplier;
096: amount++;
097: }
098: scene.setZoomFactor(zoom);
099: }
100:
101: return WidgetAction.State.CONSUMED;
102: }
103:
104: }
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