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
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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 FlowPinBadgePresenter extends FlowPresenter
052: implements FlowPresenter.FlowUIResolver {
053:
054: private FlowNodeDescriptor node = null;
055: private FlowPinDescriptor pin = null;
056: private FlowBadgeDescriptor badge = null;
057:
058: private FlowPinDescriptor oldPin;
059: private boolean removeAdd;
060:
061: public final void resolveRemoveBadge() {
062: FlowScene scene = getScene();
063:
064: FlowNodeDescriptor newNode;
065: FlowPinDescriptor newPin;
066: FlowBadgeDescriptor newBadge;
067: if (isVisible()) {
068: newNode = getNodeDescriptor();
069: newPin = newNode != null ? getPinDescriptor() : null;
070: newBadge = newPin != null ? getPinBadgeDescriptor() : null;
071: } else {
072: newNode = null;
073: newPin = null;
074: newBadge = null;
075: }
076:
077: removeAdd = !equals(node, newNode) || !equals(pin, newPin)
078: || !equals(badge, newBadge);
079:
080: if (removeAdd) {
081: if (badge != null) {
082: scene.removeBadge(pin, badge);
083: scene.unregisterUI(badge, this );
084: }
085: oldPin = pin;
086: node = newNode;
087: pin = newPin;
088: badge = newBadge;
089: } else
090: oldPin = null;
091: }
092:
093: public final void resolveRemoveEdge() {
094: }
095:
096: public final void resolveRemovePin() {
097: }
098:
099: public final void resolveRemoveNode() {
100: }
101:
102: public final void resolveAddNode() {
103: }
104:
105: public final void resolveAddPin() {
106: }
107:
108: public final void resolveAddEdge() {
109: }
110:
111: public final void resolveAddBadge() {
112: if (removeAdd) {
113: if (badge != null) {
114: FlowScene scene = getScene();
115: scene.registerUI(badge, this );
116: scene.addBadge(pin, badge);
117: }
118: }
119: }
120:
121: public final void resolveUpdate() {
122: FlowScene scene = getScene();
123: if (pin != null)
124: scene.updateBadges(pin);
125: if (oldPin != null)
126: scene.updateBadges(oldPin);
127: oldPin = null;
128: }
129:
130: public final Collection<? extends FlowDescriptor> getFlowDescriptors() {
131: return Collections.emptySet();
132: }
133:
134: protected abstract FlowNodeDescriptor getNodeDescriptor();
135:
136: protected abstract FlowPinDescriptor getPinDescriptor();
137:
138: protected abstract FlowBadgeDescriptor getPinBadgeDescriptor();
139:
140: public abstract FlowBadgeDescriptor.BadgeDecorator getDecorator();
141:
142: public abstract FlowBadgeDescriptor.BadgeBehaviour getBehaviour();
143:
144: }
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