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.router;
042:
043: import org.netbeans.api.visual.router.CollisionsCollector;
044: import org.netbeans.api.visual.widget.ConnectionWidget;
045: import org.netbeans.api.visual.widget.LayerWidget;
046: import org.netbeans.api.visual.widget.Widget;
047:
048: import java.awt.*;
049: import java.util.ArrayList;
050: import java.util.Collection;
051:
052: /**
053: * @author David Kaspar
054: */
055: public class WidgetsCollisionCollector implements CollisionsCollector {
056:
057: private LayerWidget[] layers;
058:
059: public WidgetsCollisionCollector(LayerWidget... layers) {
060: this .layers = layers;
061: }
062:
063: public void collectCollisions(
064: java.util.List<Rectangle> verticalCollisions,
065: java.util.List<Rectangle> horizontalCollisions) {
066: for (Widget widget : getWidgets()) {
067: if (!widget.isValidated())
068: continue;
069: if (widget instanceof ConnectionWidget) {
070: ConnectionWidget conn = (ConnectionWidget) widget;
071: if (!conn.isRouted())
072: continue;
073: java.util.List<Point> controlPoints = conn
074: .getControlPoints();
075: int last = controlPoints.size() - 1;
076: for (int i = 0; i < last; i++) {
077: Point point1 = controlPoints.get(i);
078: Point point2 = controlPoints.get(i + 1);
079: if (point1.x == point2.x) {
080: Rectangle rectangle = new Rectangle(point1.x,
081: Math.min(point1.y, point2.y), 0, Math
082: .abs(point2.y - point1.y));
083: rectangle.grow(
084: OrthogonalSearchRouter.SPACING_EDGE,
085: OrthogonalSearchRouter.SPACING_EDGE);
086: verticalCollisions.add(rectangle);
087: } else if (point1.y == point2.y) {
088: Rectangle rectangle = new Rectangle(Math.min(
089: point1.x, point2.x), point1.y, Math
090: .abs(point2.x - point1.x), 0);
091: rectangle.grow(
092: OrthogonalSearchRouter.SPACING_EDGE,
093: OrthogonalSearchRouter.SPACING_EDGE);
094: horizontalCollisions.add(rectangle);
095: }
096: }
097: } else {
098: Rectangle bounds = widget.getBounds();
099: Rectangle rectangle = widget
100: .convertLocalToScene(bounds);
101: rectangle.grow(OrthogonalSearchRouter.SPACING_NODE,
102: OrthogonalSearchRouter.SPACING_NODE);
103: verticalCollisions.add(rectangle);
104: horizontalCollisions.add(rectangle);
105: }
106: }
107: }
108:
109: protected Collection<Widget> getWidgets() {
110: ArrayList<Widget> list = new ArrayList<Widget>();
111: for (LayerWidget layer : layers)
112: list.addAll(layer.getChildren());
113: return list;
114: }
115:
116: }
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