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 1997-2006 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.vmd.api.flow;
042:
043: import org.netbeans.modules.vmd.api.flow.visual.*;
044:
045: import java.util.Collection;
046: import java.util.Collections;
047:
048: /**
049: * @author David Kaspar
050: */
051: public abstract class FlowNodeBadgePresenter extends FlowPresenter
052: implements FlowPresenter.FlowUIResolver {
053:
054: private FlowNodeDescriptor node = null;
055: private FlowBadgeDescriptor badge = null;
056:
057: private FlowNodeDescriptor oldNode;
058: private boolean removeAdd;
059:
060: public final void resolveRemoveBadge() {
061: FlowScene scene = getScene();
062:
063: FlowNodeDescriptor newNode;
064: FlowBadgeDescriptor newBadge;
065: if (isVisible()) {
066: newNode = getNodeDescriptor();
067: newBadge = newNode != null ? getPinBadgeDescriptor() : null;
068: } else {
069: newNode = null;
070: newBadge = null;
071: }
072:
073: removeAdd = !equals(node, newNode) || !equals(badge, newBadge);
074:
075: if (removeAdd) {
076: if (badge != null) {
077: scene.removeBadge(node, badge);
078: scene.unregisterUI(badge, this );
079: }
080: oldNode = node;
081: node = newNode;
082: badge = newBadge;
083: } else
084: oldNode = null;
085: }
086:
087: public final void resolveRemoveEdge() {
088: }
089:
090: public final void resolveRemovePin() {
091: }
092:
093: public final void resolveRemoveNode() {
094: }
095:
096: public final void resolveAddNode() {
097: }
098:
099: public final void resolveAddPin() {
100: }
101:
102: public final void resolveAddEdge() {
103: }
104:
105: public final void resolveAddBadge() {
106: if (removeAdd) {
107: if (badge != null) {
108: FlowScene scene = getScene();
109: scene.registerUI(badge, this );
110: scene.addBadge(oldNode, badge);
111: }
112: }
113: }
114:
115: public final void resolveUpdate() {
116: FlowScene scene = getScene();
117: if (node != null)
118: scene.updateBadges(node);
119: if (oldNode != null)
120: scene.updateBadges(oldNode);
121: oldNode = null;
122: }
123:
124: public final Collection<? extends FlowDescriptor> getFlowDescriptors() {
125: return Collections.emptySet();
126: }
127:
128: protected abstract FlowNodeDescriptor getNodeDescriptor();
129:
130: protected abstract FlowPinDescriptor getPinDescriptor();
131:
132: protected abstract FlowBadgeDescriptor getPinBadgeDescriptor();
133:
134: public abstract FlowBadgeDescriptor.BadgeDecorator getDecorator();
135:
136: public abstract FlowBadgeDescriptor.BadgeBehaviour getBehaviour();
137:
138: }
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