//------------------------------------------------------------------------------
// 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.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.draw2d.AbsoluteBendpoint;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.common.util.EList;
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.EDataTypeUniqueEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
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.util.GraphicalDataHelper;
import org.eclipse.epf.uma.GraphConnector;
import org.eclipse.epf.uma.GraphEdge;
/**
* <!-- begin-user-doc --> An implementation of the model object '<em><b>Link</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.epf.diagram.model.impl.LinkImpl#getName <em>Name</em>}</li>
* <li>{@link org.eclipse.epf.diagram.model.impl.LinkImpl#getSource <em>Source</em>}</li>
* <li>{@link org.eclipse.epf.diagram.model.impl.LinkImpl#getTarget <em>Target</em>}</li>
* <li>{@link org.eclipse.epf.diagram.model.impl.LinkImpl#getBendpoints <em>Bendpoints</em>}</li>
* <li>{@link org.eclipse.epf.diagram.model.impl.LinkImpl#getSourceEndPoint <em>Source End Point</em>}</li>
* <li>{@link org.eclipse.epf.diagram.model.impl.LinkImpl#getTargetEndPoint <em>Target End Point</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class LinkImpl extends LinkedObjectImpl implements Link {
/**
* The default value of the '{@link #getName() <em>Name</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getName()
* @generated
* @ordered
*/
protected static final String NAME_EDEFAULT = ""; //$NON-NLS-1$
/**
* The cached value of the '{@link #getName() <em>Name</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getName()
* @generated
* @ordered
*/
protected String name = NAME_EDEFAULT;
/**
* The cached value of the '{@link #getTarget() <em>Target</em>}' reference.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getTarget()
* @generated
* @ordered
*/
protected Node target;
/**
* The cached value of the '{@link #getBendpoints() <em>Bendpoints</em>}' attribute list.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getBendpoints()
* @generated
* @ordered
*/
protected EList<AbsoluteBendpoint> bendpoints;
/**
* The default value of the '{@link #getSourceEndPoint() <em>Source End Point</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getSourceEndPoint()
* @generated
* @ordered
*/
protected static final Point SOURCE_END_POINT_EDEFAULT = null;
/**
* The cached value of the '{@link #getSourceEndPoint() <em>Source End Point</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getSourceEndPoint()
* @generated
* @ordered
*/
protected Point sourceEndPoint = SOURCE_END_POINT_EDEFAULT;
/**
* The default value of the '{@link #getTargetEndPoint() <em>Target End Point</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getTargetEndPoint()
* @generated
* @ordered
*/
protected static final Point TARGET_END_POINT_EDEFAULT = null;
/**
* The cached value of the '{@link #getTargetEndPoint() <em>Target End Point</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getTargetEndPoint()
* @generated
* @ordered
*/
protected Point targetEndPoint = TARGET_END_POINT_EDEFAULT;
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected LinkImpl() {
super();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return ModelPackage.Literals.LINK;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getName() {
return name;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setName(String newName) {
String oldName = name;
name = newName;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.LINK__NAME, oldName, name));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public Node getSource() {
if (eContainerFeatureID != ModelPackage.LINK__SOURCE) return null;
return (Node)eContainer();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetSource(Node newSource, NotificationChain msgs) {
msgs = eBasicSetContainer((InternalEObject)newSource, ModelPackage.LINK__SOURCE, msgs);
return msgs;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setSource(Node newSource) {
if (newSource != eInternalContainer() || (eContainerFeatureID != ModelPackage.LINK__SOURCE && newSource != null)) {
if (EcoreUtil.isAncestor(this, newSource))
throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); //$NON-NLS-1$
NotificationChain msgs = null;
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
if (newSource != null)
msgs = ((InternalEObject)newSource).eInverseAdd(this, ModelPackage.NODE__OUTGOING_CONNECTIONS, Node.class, msgs);
msgs = basicSetSource(newSource, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.LINK__SOURCE, newSource, newSource));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public Node getTarget() {
if (target != null && target.eIsProxy()) {
InternalEObject oldTarget = (InternalEObject)target;
target = (Node)eResolveProxy(oldTarget);
if (target != oldTarget) {
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, ModelPackage.LINK__TARGET, oldTarget, target));
}
}
return target;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public Node basicGetTarget() {
return target;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetTarget(Node newTarget, NotificationChain msgs) {
Node oldTarget = target;
target = newTarget;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ModelPackage.LINK__TARGET, oldTarget, newTarget);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setTarget(Node newTarget) {
if (newTarget != target) {
NotificationChain msgs = null;
if (target != null)
msgs = ((InternalEObject)target).eInverseRemove(this, ModelPackage.NODE__INCOMING_CONNECTIONS, Node.class, msgs);
if (newTarget != null)
msgs = ((InternalEObject)newTarget).eInverseAdd(this, ModelPackage.NODE__INCOMING_CONNECTIONS, Node.class, msgs);
msgs = basicSetTarget(newTarget, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.LINK__TARGET, newTarget, newTarget));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public EList<AbsoluteBendpoint> getBendpoints() {
if (bendpoints == null) {
bendpoints = new EDataTypeUniqueEList<AbsoluteBendpoint>(AbsoluteBendpoint.class, this, ModelPackage.LINK__BENDPOINTS);
}
return bendpoints;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public Point getSourceEndPoint() {
return sourceEndPoint;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setSourceEndPoint(Point newSourceEndPoint) {
Point oldSourceEndPoint = sourceEndPoint;
sourceEndPoint = newSourceEndPoint;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.LINK__SOURCE_END_POINT, oldSourceEndPoint, sourceEndPoint));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public Point getTargetEndPoint() {
return targetEndPoint;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setTargetEndPoint(Point newTargetEndPoint) {
Point oldTargetEndPoint = targetEndPoint;
targetEndPoint = newTargetEndPoint;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.LINK__TARGET_END_POINT, oldTargetEndPoint, targetEndPoint));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case ModelPackage.LINK__SOURCE:
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
return basicSetSource((Node)otherEnd, msgs);
case ModelPackage.LINK__TARGET:
if (target != null)
msgs = ((InternalEObject)target).eInverseRemove(this, ModelPackage.NODE__INCOMING_CONNECTIONS, Node.class, msgs);
return basicSetTarget((Node)otherEnd, msgs);
}
return super.eInverseAdd(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case ModelPackage.LINK__SOURCE:
return basicSetSource(null, msgs);
case ModelPackage.LINK__TARGET:
return basicSetTarget(null, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
switch (eContainerFeatureID) {
case ModelPackage.LINK__SOURCE:
return eInternalContainer().eInverseRemove(this, ModelPackage.NODE__OUTGOING_CONNECTIONS, Node.class, msgs);
}
return super.eBasicRemoveFromContainerFeature(msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case ModelPackage.LINK__NAME:
return getName();
case ModelPackage.LINK__SOURCE:
return getSource();
case ModelPackage.LINK__TARGET:
if (resolve) return getTarget();
return basicGetTarget();
case ModelPackage.LINK__BENDPOINTS:
return getBendpoints();
case ModelPackage.LINK__SOURCE_END_POINT:
return getSourceEndPoint();
case ModelPackage.LINK__TARGET_END_POINT:
return getTargetEndPoint();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case ModelPackage.LINK__NAME:
setName((String)newValue);
return;
case ModelPackage.LINK__SOURCE:
setSource((Node)newValue);
return;
case ModelPackage.LINK__TARGET:
setTarget((Node)newValue);
return;
case ModelPackage.LINK__BENDPOINTS:
getBendpoints().clear();
getBendpoints().addAll((Collection<? extends AbsoluteBendpoint>)newValue);
return;
case ModelPackage.LINK__SOURCE_END_POINT:
setSourceEndPoint((Point)newValue);
return;
case ModelPackage.LINK__TARGET_END_POINT:
setTargetEndPoint((Point)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case ModelPackage.LINK__NAME:
setName(NAME_EDEFAULT);
return;
case ModelPackage.LINK__SOURCE:
setSource((Node)null);
return;
case ModelPackage.LINK__TARGET:
setTarget((Node)null);
return;
case ModelPackage.LINK__BENDPOINTS:
getBendpoints().clear();
return;
case ModelPackage.LINK__SOURCE_END_POINT:
setSourceEndPoint(SOURCE_END_POINT_EDEFAULT);
return;
case ModelPackage.LINK__TARGET_END_POINT:
setTargetEndPoint(TARGET_END_POINT_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case ModelPackage.LINK__NAME:
return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
case ModelPackage.LINK__SOURCE:
return getSource() != null;
case ModelPackage.LINK__TARGET:
return target != null;
case ModelPackage.LINK__BENDPOINTS:
return bendpoints != null && !bendpoints.isEmpty();
case ModelPackage.LINK__SOURCE_END_POINT:
return SOURCE_END_POINT_EDEFAULT == null ? sourceEndPoint != null : !SOURCE_END_POINT_EDEFAULT.equals(sourceEndPoint);
case ModelPackage.LINK__TARGET_END_POINT:
return TARGET_END_POINT_EDEFAULT == null ? targetEndPoint != null : !TARGET_END_POINT_EDEFAULT.equals(targetEndPoint);
}
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(" (name: "); //$NON-NLS-1$
result.append(name);
result.append(", bendpoints: "); //$NON-NLS-1$
result.append(bendpoints);
result.append(", sourceEndPoint: "); //$NON-NLS-1$
result.append(sourceEndPoint);
result.append(", targetEndPoint: "); //$NON-NLS-1$
result.append(targetEndPoint);
result.append(')');
return result.toString();
}
public void setObject(Object newObject) {
super.setObject(newObject);
if (newObject == null)
return;
GraphEdge edge = (GraphEdge) newObject;
// copy bendpoints from edge
//
for (Iterator iter = edge.getWaypoints().iterator(); iter.hasNext();) {
getBendpoints().add(
new AbsoluteBendpoint(GraphicalDataHelper
.toPoint((org.eclipse.epf.uma.Point) iter.next())));
}
// copy end points from GraphConnectors
//
if (getSourceGraphConnector().getPosition() != null) {
sourceEndPoint = GraphicalDataHelper
.toPoint(getSourceGraphConnector().getPosition());
}
if (getTargetGraphConnector().getPosition() != null) {
targetEndPoint = GraphicalDataHelper
.toPoint(getTargetGraphConnector().getPosition());
}
eAdapters().add(new AdapterImpl() {
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(org.eclipse.emf.common.notify.Notification)
*/
public void notifyChanged(Notification msg) {
Point p;
GraphEdge edge = (GraphEdge) getObject();
switch (msg.getFeatureID(Link.class)) {
case ModelPackage.LINK__BENDPOINTS:
switch (msg.getEventType()) {
case Notification.ADD:
p = (AbsoluteBendpoint) msg.getNewValue();
int index = msg.getPosition();
org.eclipse.epf.uma.Point umaPoint = GraphicalDataHelper
.newModelPoint(p.x, p.y);
if (index == Notification.NO_INDEX) {
edge.getWaypoints().add(umaPoint);
} else {
edge.getWaypoints().add(index, umaPoint);
}
return;
case Notification.REMOVE:
// p = (AbsoluteBendpoint) msg.getOldValue();
// edge.getWaypoints().remove(GraphicalDataHelper.newModelPoint(p.x,
// p.y));
index = msg.getPosition();
if (index == Notification.NO_INDEX) {
edge.getWaypoints().remove(msg.getPosition());
} else {
edge.getWaypoints().remove(index);
}
return;
case Notification.ADD_MANY:
Collection collection = (Collection) msg.getNewValue();
ArrayList umaPoints = new ArrayList();
for (Iterator iter = collection.iterator(); iter
.hasNext();) {
p = (AbsoluteBendpoint) iter.next();
umaPoints.add(GraphicalDataHelper.newModelPoint(
p.x, p.y));
}
index = msg.getPosition();
if (index == Notification.NO_INDEX) {
edge.getWaypoints().addAll(umaPoints);
} else {
edge.getWaypoints().addAll(index, umaPoints);
}
return;
// case Notification.REMOVE_MANY:
// collection = (Collection) msg.getOldValue();
// for (Iterator iter = collection.iterator(); iter
// .hasNext();) {
// p = (AbsoluteBendpoint) msg.getOldValue();
// edge.getWaypoints().remove(GraphicalDataHelper.newModelPoint(p.x,
// p.y));
// }
// return;
case Notification.SET:
p = (AbsoluteBendpoint) msg.getNewValue();
// Point oldp = (AbsoluteBendpoint) msg.getOldValue();
int pointIndex = msg.getPosition();
org.eclipse.epf.uma.Point newUmaPoint = GraphicalDataHelper
.newModelPoint(p.x, p.y);
// org.eclipse.epf.uma.Point oldUmaPoint = GraphicalDataHelper
// .newModelPoint(oldp.x, oldp.y);
if (pointIndex == Notification.NO_INDEX) {
System.out
.println("Index for bendpoint is -1, Cannot set the bend point location."); //$NON-NLS-1$
} else {
edge.getWaypoints().remove(pointIndex);
edge.getWaypoints().add(pointIndex, newUmaPoint);
}
return;
}
return;
case ModelPackage.LINK__SOURCE_END_POINT:
p = (Point) msg.getNewValue();
// System.out.println(".notifyChanged(): new source end
// point: " + p + ". " + getSource());
if (p != null) {
// translate to relative position
//
// p.translate(getSource().getLocation().getNegated());
getSourceGraphConnector().setPosition(
GraphicalDataHelper.newModelPoint(p.x, p.y));
}
return;
case ModelPackage.LINK__TARGET_END_POINT:
p = (Point) msg.getNewValue();
// System.out.println(".notifyChanged(): new target end
// point: " + p + ". " + getTarget());
if (p != null) {
// translate to relative position
//
// p.translate(LinkImpl.this.getTarget().getLocation().getNegated());
getTargetGraphConnector().setPosition(
GraphicalDataHelper.newModelPoint(p.x, p.y));
}
return;
case ModelPackage.LINK__SOURCE:
// TODO
return;
case ModelPackage.LINK__TARGET:
// TODO
return;
}
}
});
}
private GraphConnector getSourceGraphConnector() {
return (GraphConnector) ((GraphEdge) getObject()).getAnchor().get(0);
}
private GraphConnector getTargetGraphConnector() {
return (GraphConnector) ((GraphEdge) getObject()).getAnchor().get(1);
}
} // LinkImpl