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