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
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040: */
041: package org.netbeans.modules.vmd.api.flow;
042:
043: import org.netbeans.modules.vmd.api.flow.visual.FlowDescriptor;
044: import org.netbeans.modules.vmd.api.flow.visual.FlowNodeDescriptor;
045: import org.netbeans.modules.vmd.api.flow.visual.FlowScene;
046:
047: import java.util.Collection;
048: import java.util.Collections;
049:
050: /**
051: * @author David Kaspar
052: */
053: public abstract class FlowNodePresenter extends FlowPresenter implements
054: FlowPresenter.FlowUIResolver {
055:
056: private FlowNodeDescriptor node;
057:
058: private boolean removeAdd;
059:
060: public final void resolveRemoveBadge() {
061: }
062:
063: public final void resolveRemoveEdge() {
064: }
065:
066: public final void resolveRemovePin() {
067: }
068:
069: public final void resolveRemoveNode() {
070: FlowNodeDescriptor newNode = isVisible() ? getNodeDescriptor()
071: : null;
072: removeAdd = !equals(newNode, node);
073:
074: if (removeAdd) {
075: if (node != null) {
076: FlowScene scene = getScene();
077: scene.removeNode(node);
078: scene.unregisterUI(node, this );
079: }
080: node = newNode;
081: }
082: }
083:
084: public final void resolveAddNode() {
085: if (removeAdd) {
086: if (node != null) {
087: FlowScene scene = getScene();
088: scene.registerUI(node, this );
089: scene.addNode(node);
090: scene.updateBadges(node);
091: scene.scheduleNodeDescriptorForOrdering(node);
092: }
093: }
094: }
095:
096: public final void resolveAddPin() {
097: }
098:
099: public final void resolveAddEdge() {
100: }
101:
102: public final void resolveAddBadge() {
103: }
104:
105: public final void resolveUpdate() {
106: if (node != null) {
107: FlowScene scene = getScene();
108: scene.getDecorator(node).update(node, scene);
109: }
110: }
111:
112: public final Collection<? extends FlowDescriptor> getFlowDescriptors() {
113: return node != null ? Collections.singleton(node) : Collections
114: .<FlowDescriptor> emptySet();
115: }
116:
117: public abstract FlowNodeDescriptor getNodeDescriptor();
118:
119: public abstract FlowNodeDescriptor.NodeDecorator getDecorator();
120:
121: public abstract FlowNodeDescriptor.NodeBehaviour getBehaviour();
122:
123: }
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