//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation and others.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.diagram.model.impl;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.epf.diagram.model.Link;
import org.eclipse.epf.diagram.model.ModelPackage;
import org.eclipse.epf.diagram.model.Node;
import org.eclipse.epf.diagram.model.WorkProductNode;
import org.eclipse.epf.diagram.model.util.GraphicalDataHelper;
import org.eclipse.epf.uma.MethodElement;
import org.eclipse.epf.uma.UmaPackage;
import org.eclipse.epf.uma.WorkProductDescriptor;
/**
* <!-- begin-user-doc --> An implementation of the model object '<em><b>Work Product Node</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.epf.diagram.model.impl.WorkProductNodeImpl#getType <em>Type</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class WorkProductNodeImpl extends NamedNodeImpl implements
WorkProductNode {
/**
* The default value of the '{@link #getType() <em>Type</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getType()
* @generated
* @ordered
*/
protected static final int TYPE_EDEFAULT = 0;
/**
* The cached value of the '{@link #getType() <em>Type</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getType()
* @generated
* @ordered
*/
protected int type = TYPE_EDEFAULT;
private class WorkProductDescriptorAdapter extends MethodElementAdapter {
public Node getNode() {
return WorkProductNodeImpl.this;
}
public void notifyChanged(Notification msg) {
if (!notificationEnabled)
return;
notificationEnabled = false;
try {
switch (msg.getFeatureID(WorkProductDescriptor.class)) {
case UmaPackage.WORK_PRODUCT_DESCRIPTOR__IMPACTED_BY:
MethodElement obj;
switch (msg.getEventType()) {
case Notification.ADD:
obj = (MethodElement) msg.getNewValue();
addIncomingConnection(obj);
return;
case Notification.REMOVE:
obj = (MethodElement) msg.getOldValue();
removeIncomingConnection(obj);
return;
case Notification.ADD_MANY:
Collection collection = (Collection) msg.getNewValue();
for (Iterator iter = collection.iterator(); iter
.hasNext();) {
obj = (MethodElement) iter.next();
addIncomingConnection(obj);
}
return;
case Notification.REMOVE_MANY:
collection = (Collection) msg.getOldValue();
for (Iterator iter = collection.iterator(); iter
.hasNext();) {
obj = (MethodElement) iter.next();
removeIncomingConnection(obj);
}
return;
}
case UmaPackage.WORK_PRODUCT__SUPPRESSED:
switch (msg.getEventType()) {
case Notification.SET:
Boolean b = (Boolean)msg.getNewValue();
if(b.booleanValue()==true){
removeLinks();
}
}
}
super.notifyChanged(msg);
} finally {
notificationEnabled = true;
}
}
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*/
protected WorkProductNodeImpl() {
super();
methodElementAdapter = new WorkProductDescriptorAdapter();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return ModelPackage.Literals.WORK_PRODUCT_NODE;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public int getType() {
return type;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setType(int newType) {
int oldType = type;
type = newType;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.WORK_PRODUCT_NODE__TYPE, oldType, type));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case ModelPackage.WORK_PRODUCT_NODE__TYPE:
return new Integer(getType());
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case ModelPackage.WORK_PRODUCT_NODE__TYPE:
setType(((Integer)newValue).intValue());
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case ModelPackage.WORK_PRODUCT_NODE__TYPE:
setType(TYPE_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case ModelPackage.WORK_PRODUCT_NODE__TYPE:
return type != TYPE_EDEFAULT;
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public String toString() {
if (eIsProxy()) return super.toString();
StringBuffer result = new StringBuffer(super.toString());
result.append(" (type: "); //$NON-NLS-1$
result.append(type);
result.append(')');
return result.toString();
}
protected boolean addToUMA(Link link) {
if (!super.addToUMA(link))
return false;
WorkProductDescriptor descriptor = (WorkProductDescriptor) link
.getSource().getObject();
NodeImpl source = (NodeImpl) link.getSource();
NodeImpl target = (NodeImpl) link.getTarget();
boolean notifySource = source.notificationEnabled;
boolean notifyTarget = target.notificationEnabled;
try {
source.notificationEnabled = target.notificationEnabled = false;
descriptor.getImpacts().add((WorkProductDescriptor) link.getTarget().getObject());
} finally {
source.notificationEnabled = notifySource;
target.notificationEnabled = notifyTarget;
}
return true;
}
protected void removeFromUMA(Link link, Node oldSource, Node oldTarget) {
WorkProductDescriptor descriptor = (WorkProductDescriptor) oldTarget
.getObject();
// disable internal notification of the target node before removing its
// descriptor from the dependency list
//
NamedNodeImpl nodeImpl = (NamedNodeImpl) oldSource;
boolean notify = nodeImpl.notificationEnabled;
try {
nodeImpl.notificationEnabled = false;
descriptor.getImpactedBy().remove(nodeImpl.getObject());
} finally {
nodeImpl.notificationEnabled = notify;
}
super.removeFromUMA(link, oldSource, oldTarget);
}
protected void removeLinks() {
for (Iterator iter = getIncomingConnections().iterator(); iter
.hasNext();) {
Link link = (Link) iter.next();
if (link.getSource() != null) {
GraphicalDataHelper.removeGraphicalData(link);
// disable internal notification of the source node
//
NodeImpl sourceNode = (NodeImpl) link.getSource();
boolean oldNotify = sourceNode.notificationEnabled;
try {
sourceNode.notificationEnabled = false;
link.setSource(null);
} finally {
sourceNode.notificationEnabled = oldNotify;
}
//link.setTarget(null);
link.setObject(null);
}
}
for (Iterator iter = getOutgoingConnections().iterator(); iter
.hasNext();) {
Link link = (Link) iter.next();
if (link.getTarget() != null) {
GraphicalDataHelper.removeGraphicalData(link);
// disable internal notification of the source node
//
NodeImpl targetNode = (NodeImpl) link.getTarget();
boolean oldNotify = targetNode.notificationEnabled;
try {
targetNode.notificationEnabled = false;
link.setTarget(null);
} finally {
targetNode.notificationEnabled = oldNotify;
}
//link.setSource(null);
link.setObject(null);
}
}
}
} // WorkProductNodeImpl