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
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040: */
041: package org.netbeans.modules.visual.action;
042:
043: import org.netbeans.api.visual.action.RectangularSelectProvider;
044: import org.netbeans.api.visual.widget.Widget;
045: import org.netbeans.api.visual.widget.ConnectionWidget;
046: import org.netbeans.api.visual.model.ObjectScene;
047:
048: import java.awt.*;
049: import java.awt.geom.Line2D;
050: import java.util.*;
051:
052: /**
053: * @author David Kaspar
054: */
055: public final class ObjectSceneRectangularSelectProvider implements
056: RectangularSelectProvider {
057:
058: private ObjectScene scene;
059:
060: public ObjectSceneRectangularSelectProvider(ObjectScene scene) {
061: this .scene = scene;
062: }
063:
064: public void performSelection(Rectangle sceneSelection) {
065: boolean entirely = sceneSelection.width > 0;
066: int w = sceneSelection.width;
067: int h = sceneSelection.height;
068: Rectangle rect = new Rectangle(w >= 0 ? 0 : w, h >= 0 ? 0 : h,
069: w >= 0 ? w : -w, h >= 0 ? h : -h);
070: rect.translate(sceneSelection.x, sceneSelection.y);
071:
072: HashSet<Object> set = new HashSet<Object>();
073: Set<?> objects = scene.getObjects();
074: for (Object object : objects) {
075: Widget widget = scene.findWidget(object);
076: if (widget == null)
077: continue;
078: if (entirely) {
079: Rectangle widgetRect = widget
080: .convertLocalToScene(widget.getBounds());
081: if (rect.contains(widgetRect))
082: set.add(object);
083: } else {
084: if (widget instanceof ConnectionWidget) {
085: ConnectionWidget conn = (ConnectionWidget) widget;
086: java.util.List<Point> points = conn
087: .getControlPoints();
088: for (int i = points.size() - 2; i >= 0; i--) {
089: Point p1 = widget.convertLocalToScene(points
090: .get(i));
091: Point p2 = widget.convertLocalToScene(points
092: .get(i + 1));
093: if (new Line2D.Float(p1, p2).intersects(rect))
094: set.add(object);
095: }
096: } else {
097: Rectangle widgetRect = widget
098: .convertLocalToScene(widget.getBounds());
099: if (rect.intersects(widgetRect))
100: set.add(object);
101: }
102: }
103: }
104: Iterator<Object> iterator = set.iterator();
105: scene.setFocusedObject(iterator.hasNext() ? iterator.next()
106: : null);
107: scene.userSelectionSuggested(set, false);
108: }
109:
110: }
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