plugins/org.eclipse.egf.model.fprod/src/org/eclipse/egf/model/fprod/adapter/ProductionPlanInvocationAdapter.java

/**
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 * Thales Corporate Services S.A.S - initial API and implementation
 */
package org.eclipse.egf.model.fprod.adapter;

import org.eclipse.egf.core.fcore.IPlatformFcore;
import org.eclipse.egf.core.fcore.IPlatformFcoreProvider;
import org.eclipse.egf.model.fcore.Activity;
import org.eclipse.egf.model.fcore.FcorePackage;
import org.eclipse.egf.model.fprod.ProductionPlanInvocation;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.common.notify.impl.NotificationImpl;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.impl.ResourceImpl;

/**
 * @author Xavier Maysonnave
 * 
 */
public class ProductionPlanInvocationAdapter extends AdapterImpl {

    private ProductionPlanInvocation _productionPlanInvocation;

    private Activity _activity;

    private EStructuralFeature _nameFeature = FcorePackage.Literals.NAMED_MODEL_ELEMENT__NAME;

    private EStructuralFeature _invocationInvokedActivityFeature = FcorePackage.Literals.INVOCATION__INVOKED_ACTIVITY;

    private AdapterImpl _activityAdapter = new AdapterImpl() {

        @Override
        public void notifyChanged(Notification notification) {
            if (notification.getEventType() == Notification.SET && notification.getFeature().equals(_nameFeature)) {
                _productionPlanInvocation.eNotify(new ENotificationImpl((InternalEObject) _productionPlanInvocation, -1, _invocationInvokedActivityFeature, null, null) {

                    @Override
                    public boolean isTouch() {
                        return true;
                    }
                });
            }
        }
    };

    private AdapterImpl _activityResourceAdapter = new AdapterImpl() {

        @Override
        public void notifyChanged(final Notification notification) {
            // URI update while moving a resource
            if (notification.getEventType() == Notification.SET) {
                switch (notification.getFeatureID(Resource.class)) {
                    case Resource.RESOURCE__URI: {
                        if (_productionPlanInvocation.eResource() != null && _productionPlanInvocation.eResource() instanceof IPlatformFcoreProvider) {
                            final ResourceImpl resource = (ResourceImpl) _productionPlanInvocation.eResource();
                            IPlatformFcore fcore = ((IPlatformFcoreProvider) resource).getIPlatformFcore();
                            // target fcore can't be modified, give a chance to read only workspace resource to do something
                            if (fcore != null && fcore.getPlatformBundle().isTarget() == false) {
                                resource.setModified(true);
                                if (resource.eNotificationRequired()) {
                                    Notification innerNotification = new NotificationImpl(Notification.SET, notification.getOldValue(), notification.getOldValue()) {

                                        @Override
                                        public Object getFeature() {
                                            return notification.getNotifier();
                                        }

                                        @Override
                                        public Object getNotifier() {
                                            return resource;
                                        }

                                        @Override
                                        public int getFeatureID(Class<?> expectedClass) {
                                            return Resource.RESOURCE__URI;
                                        }
                                    };
                                    resource.eNotify(innerNotification);
                                }
                            }
                        }
                        break;
                    }
                }
            }
        }
    };

    public ProductionPlanInvocationAdapter(ProductionPlanInvocation productionPlanInvocation) {
        super();
        _productionPlanInvocation = productionPlanInvocation;
        _productionPlanInvocation.eAdapters().add(this);
    }

    @Override
    public void notifyChanged(Notification notification) {
        if (notification.getFeature() == null || notification.getFeature().equals(_invocationInvokedActivityFeature)) {
            switch (notification.getEventType()) {
                case Notification.SET:
                case Notification.RESOLVE:
                    final Activity newValue = (Activity) notification.getNewValue();
                    final Activity oldValue = (Activity) notification.getOldValue();
                    if (oldValue != null) {
                        if (oldValue.eResource() != null) {
                            oldValue.eResource().eAdapters().remove(_activityResourceAdapter);
                        }
                        oldValue.eAdapters().remove(_activityAdapter);
                    }
                    if (newValue != null) {
                        if (newValue.eResource() != null && newValue.eResource().eAdapters().contains(_activityResourceAdapter) == false) {
                            newValue.eResource().eAdapters().add(_activityResourceAdapter);
                        }
                        if (newValue.eAdapters().contains(_activityAdapter) == false) {
                            newValue.eAdapters().add(_activityAdapter);
                        }
                    }
                    _activity = newValue;
                    break;
                case Notification.REMOVING_ADAPTER:
                    if (_activity != null) {
                        _activity.eAdapters().remove(_activityAdapter);
                    }
                    break;
                default:
                    return; // No notification
            }
        }
    }

}