| //------------------------------------------------------------------------------ |
| // 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#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 cached value of the '{@link #getTarget() <em>Target</em>}' |
| * reference. <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @see #getTarget() |
| * @generated |
| * @ordered |
| */ |
| protected Node target = null; |
| |
| /** |
| * The cached value of the '{@link #getBendpoints() <em>Bendpoints</em>}' |
| * attribute list. <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @see #getBendpoints() |
| * @generated |
| * @ordered |
| */ |
| protected EList bendpoints = null; |
| |
| /** |
| * 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 |
| */ |
| protected EClass eStaticClass() { |
| return ModelPackage.eINSTANCE.getLink(); |
| } |
| |
| /** |
| * <!-- 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 void setSource(Node newSource) { |
| if (newSource != eContainer |
| || (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 (eContainer != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| if (newSource != null) |
| msgs = ((InternalEObject) newSource).eInverseAdd(this, |
| ModelPackage.NODE__OUTGOING_CONNECTIONS, Node.class, |
| msgs); |
| msgs = eBasicSetContainer((InternalEObject) newSource, |
| ModelPackage.LINK__SOURCE, 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()) { |
| Node oldTarget = target; |
| target = (Node) eResolveProxy((InternalEObject) target); |
| 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 getBendpoints() { |
| if (bendpoints == null) { |
| bendpoints = new EDataTypeUniqueEList(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 |
| */ |
| public NotificationChain eInverseAdd(InternalEObject otherEnd, |
| int featureID, Class baseClass, NotificationChain msgs) { |
| if (featureID >= 0) { |
| switch (eDerivedStructuralFeatureID(featureID, baseClass)) { |
| case ModelPackage.LINK__SOURCE: |
| if (eContainer != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| return eBasicSetContainer(otherEnd, ModelPackage.LINK__SOURCE, |
| 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); |
| default: |
| return eDynamicInverseAdd(otherEnd, featureID, baseClass, msgs); |
| } |
| } |
| if (eContainer != null) |
| msgs = eBasicRemoveFromContainer(msgs); |
| return eBasicSetContainer(otherEnd, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public NotificationChain eInverseRemove(InternalEObject otherEnd, |
| int featureID, Class baseClass, NotificationChain msgs) { |
| if (featureID >= 0) { |
| switch (eDerivedStructuralFeatureID(featureID, baseClass)) { |
| case ModelPackage.LINK__SOURCE: |
| return eBasicSetContainer(null, ModelPackage.LINK__SOURCE, msgs); |
| case ModelPackage.LINK__TARGET: |
| return basicSetTarget(null, msgs); |
| default: |
| return eDynamicInverseRemove(otherEnd, featureID, baseClass, |
| msgs); |
| } |
| } |
| return eBasicSetContainer(null, featureID, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public NotificationChain eBasicRemoveFromContainer(NotificationChain msgs) { |
| if (eContainerFeatureID >= 0) { |
| switch (eContainerFeatureID) { |
| case ModelPackage.LINK__SOURCE: |
| return eContainer.eInverseRemove(this, |
| ModelPackage.NODE__OUTGOING_CONNECTIONS, Node.class, |
| msgs); |
| default: |
| return eDynamicBasicRemoveFromContainer(msgs); |
| } |
| } |
| return eContainer.eInverseRemove(this, EOPPOSITE_FEATURE_BASE |
| - eContainerFeatureID, null, msgs); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public Object eGet(EStructuralFeature eFeature, boolean resolve) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case ModelPackage.LINK__OBJECT: |
| return getObject(); |
| 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 eDynamicGet(eFeature, resolve); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public void eSet(EStructuralFeature eFeature, Object newValue) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case ModelPackage.LINK__OBJECT: |
| setObject((Object) 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) newValue); |
| return; |
| case ModelPackage.LINK__SOURCE_END_POINT: |
| setSourceEndPoint((Point) newValue); |
| return; |
| case ModelPackage.LINK__TARGET_END_POINT: |
| setTargetEndPoint((Point) newValue); |
| return; |
| } |
| eDynamicSet(eFeature, newValue); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public void eUnset(EStructuralFeature eFeature) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case ModelPackage.LINK__OBJECT: |
| setObject(OBJECT_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; |
| } |
| eDynamicUnset(eFeature); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public boolean eIsSet(EStructuralFeature eFeature) { |
| switch (eDerivedStructuralFeatureID(eFeature)) { |
| case ModelPackage.LINK__OBJECT: |
| return OBJECT_EDEFAULT == null ? object != null : !OBJECT_EDEFAULT |
| .equals(object); |
| 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 eDynamicIsSet(eFeature); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> <!-- end-user-doc --> |
| * |
| * @generated |
| */ |
| public String toString() { |
| if (eIsProxy()) |
| return super.toString(); |
| |
| StringBuffer result = new StringBuffer(super.toString()); |
| 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 |
