| //------------------------------------------------------------------------------ |
| // 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.library.edit.category; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.Notifier; |
| import org.eclipse.emf.edit.provider.ViewerNotification; |
| import org.eclipse.epf.library.edit.IGroupContainer; |
| import org.eclipse.epf.library.edit.TransientGroupItemProvider; |
| import org.eclipse.epf.uma.ContentCategory; |
| import org.eclipse.epf.uma.ContentPackage; |
| import org.eclipse.epf.uma.UmaPackage; |
| |
| /** |
| * The item provider adapter for the category folders. |
| * <p> |
| * This class will be renamed as CategoriesItemProvider in EPF M5. |
| * |
| * @author Phong Nguyen Le |
| * @author Kelvin Low |
| * @since 1.0 |
| */ |
| public class TransientCategoryPackageItemProvider extends |
| TransientGroupItemProvider implements IGroupContainer { |
| |
| protected Map groupItemProviderMap; |
| |
| /** |
| * Creates a new instance. |
| */ |
| public TransientCategoryPackageItemProvider(AdapterFactory adapterFactory, |
| Notifier parent, String name) { |
| super(adapterFactory, parent, name); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.ibm.library.edit.TransientGroupItemProvider#acceptAsChild(java.lang.Object) |
| */ |
| protected boolean acceptAsChild(Object obj) { |
| return true; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.ibm.library.edit.TransientGroupItemProvider#getChildren(java.lang.Object) |
| */ |
| public Collection getChildren(Object object) { |
| Collection children = super.getChildren(object); |
| Object uncategorized = createUncategorizedItemProvider(); |
| if (uncategorized != null) { |
| children.add(uncategorized); |
| } |
| return children; |
| } |
| |
| /** |
| * @return |
| */ |
| protected Object createUncategorizedItemProvider() { |
| return null; |
| } |
| |
| public void notifyChanged(Notification msg) { |
| if (msg.getNotifier() == target) { |
| int featureId = msg.getFeatureID(ContentPackage.class); |
| if (featureId == UmaPackage.CONTENT_PACKAGE__CONTENT_ELEMENTS) { |
| boolean notify = false; |
| switch (msg.getEventType()) { |
| case Notification.ADD: |
| case Notification.MOVE: |
| Object obj = msg.getNewValue(); |
| notify = acceptAsChild(obj); |
| break; |
| case Notification.REMOVE: |
| obj = msg.getOldValue(); |
| notify = acceptAsChild(obj); |
| break; |
| case Notification.ADD_MANY: |
| Collection collection = (Collection) msg.getNewValue(); |
| for_check: for (Iterator iter = collection.iterator(); iter |
| .hasNext();) { |
| if (acceptAsChild(iter.next())) { |
| notify = true; |
| break for_check; |
| } |
| } |
| break; |
| case Notification.REMOVE_MANY: |
| collection = (Collection) msg.getOldValue(); |
| for_check: for (Iterator iter = collection.iterator(); iter |
| .hasNext();) { |
| if (acceptAsChild(iter.next())) { |
| notify = true; |
| break for_check; |
| } |
| } |
| break; |
| } |
| if (notify) { |
| fireNotifyChanged(new ViewerNotification(msg, this, true, |
| false)); |
| } |
| } |
| } |
| super.notifyChanged(msg); |
| } |
| |
| protected boolean isInherited(ContentCategory category) { |
| return acceptAsChild(category) |
| && category.getVariabilityBasedOnElement() != null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.ibm.library.edit.TransientGroupItemProvider#getInterestedFeatureID() |
| */ |
| public int getInterestedFeatureID() { |
| return UmaPackage.CONTENT_PACKAGE__CONTENT_ELEMENTS; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.ibm.library.edit.TransientGroupItemProvider#getInterestedFeatureClass() |
| */ |
| public Class getInterestedFeatureOwnerClass() { |
| return ContentPackage.class; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.ibm.library.edit.IGroupContainer#getGroupItemProvider(java.lang.String) |
| */ |
| public Object getGroupItemProvider(String name) { |
| if (groupItemProviderMap == null) |
| return null; |
| return groupItemProviderMap.get(name); |
| } |
| |
| } |