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.action.WidgetAction;
044: import org.netbeans.api.visual.widget.ConnectionWidget;
045: import org.netbeans.api.visual.widget.Widget;
046:
047: import java.awt.*;
048: import java.awt.event.MouseEvent;
049: import java.awt.geom.Line2D;
050: import java.util.ArrayList;
051:
052: /**
053: * @author Alex
054: */
055: public class AddRemoveControlPointAction extends WidgetAction.Adapter {
056:
057: private double createSensitivity;
058: private double deleteSensitivity;
059: private ConnectionWidget.RoutingPolicy routingPolicy;
060:
061: public AddRemoveControlPointAction(double createSensitivity,
062: double deleteSensitivity,
063: ConnectionWidget.RoutingPolicy routingPolicy) {
064: this .createSensitivity = createSensitivity;
065: this .deleteSensitivity = deleteSensitivity;
066: this .routingPolicy = routingPolicy;
067: }
068:
069: public State mouseClicked(Widget widget, WidgetMouseEvent event) {
070: if (event.getButton() == MouseEvent.BUTTON1
071: && event.getClickCount() == 2
072: && widget instanceof ConnectionWidget) {
073: addRemoveControlPoint((ConnectionWidget) widget, event
074: .getPoint());
075: return State.CONSUMED;
076: }
077: return State.REJECTED;
078: }
079:
080: /**
081: * Adds or removes a control point on a specified location
082: * @param widget the connection widget
083: * @param localLocation the local location
084: */
085: private void addRemoveControlPoint(ConnectionWidget widget,
086: Point localLocation) {
087: ArrayList<Point> list = new ArrayList<Point>(widget
088: .getControlPoints());
089: if (!removeControlPoint(localLocation, list, deleteSensitivity)) {
090: Point exPoint = null;
091: int index = 0;
092: for (Point elem : list) {
093: if (exPoint != null) {
094: Line2D l2d = new Line2D.Double(exPoint, elem);
095: if (l2d.ptLineDist(localLocation) < createSensitivity) {
096: list.add(index, localLocation);
097: break;
098: }
099: }
100: exPoint = elem;
101: index++;
102: }
103: }
104: if (routingPolicy != null)
105: widget.setRoutingPolicy(routingPolicy);
106: widget.setControlPoints(list, false);
107: }
108:
109: private boolean removeControlPoint(Point point,
110: ArrayList<Point> list, double deleteSensitivity) {
111: for (Point elem : list) {
112: if (elem.distance(point) < deleteSensitivity) {
113: list.remove(elem);
114: return true;
115: }
116: }
117: return false;
118: }
119:
120: }
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