| //------------------------------------------------------------------------------ |
| // 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.element; |
| |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.edit.command.AddCommand; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.emf.edit.provider.IItemPropertyDescriptor; |
| import org.eclipse.emf.edit.provider.ItemProviderAdapter; |
| import org.eclipse.epf.library.edit.LibraryEditPlugin; |
| import org.eclipse.epf.library.edit.command.MethodElementAddCommand; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.uma.DescribableElement; |
| |
| /** |
| * The item provider adapter for a guidance in the Library view. |
| * |
| * @author Phong Nguyen Le |
| * @author Kelvin Low |
| * @since 1.0 |
| */ |
| public class GuidanceItemProvider extends |
| org.eclipse.epf.uma.provider.GuidanceItemProvider { |
| |
| /** |
| * A map of EClass / ItemProviderAdapter for each type of guidance |
| */ |
| private static Map itemProviderMap = new HashMap(); |
| |
| /** |
| * Creates a new instance. |
| */ |
| public GuidanceItemProvider(AdapterFactory adapterFactory) { |
| super(adapterFactory); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#dispose() |
| */ |
| public void dispose() { |
| itemProviderMap.clear(); |
| |
| super.dispose(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.epf.uma.provider.GuidanceItemProvider#collectNewChildDescriptors(java.util.Collection, |
| * java.lang.Object) |
| */ |
| protected void collectNewChildDescriptors(Collection newChildDescriptors, |
| Object object) { |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.epf.uma.provider.DescribableElementItemProvider#getChildrenFeatures(java.lang.Object) |
| */ |
| public Collection getChildrenFeatures(Object object) { |
| if (childrenFeatures == null) { |
| childrenFeatures = new ArrayList(); |
| } |
| return childrenFeatures; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.epf.uma.provider.GuidanceItemProvider#getPropertyDescriptors(java.lang.Object) |
| */ |
| public List getPropertyDescriptors(Object object) { |
| if (object instanceof EObject) { |
| return getAdapter((EObject) object).getPropertyDescriptors(object); |
| } |
| return super.getPropertyDescriptors(object); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getPropertyDescriptor(java.lang.Object, |
| * java.lang.Object) |
| */ |
| public IItemPropertyDescriptor getPropertyDescriptor(Object object, |
| Object propertyId) { |
| return getAdapter((EObject) object).getPropertyDescriptor(object, |
| propertyId); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getEditableValue(java.lang.Object) |
| */ |
| public Object getEditableValue(Object object) { |
| return getAdapter((EObject) object).getEditableValue(object); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.epf.uma.provider.GuidanceItemProvider#getImage(java.lang.Object) |
| */ |
| public Object getImage(Object object) { |
| if (object instanceof DescribableElement) { |
| if (((DescribableElement) object).getNodeicon() != null) { |
| URI imgUri = TngUtil.getFullPathofNodeorShapeIconURI( |
| (DescribableElement) object, |
| ((DescribableElement) object).getNodeicon()); |
| Object image = LibraryEditPlugin.INSTANCE |
| .getSharedImage(imgUri); |
| if (image != null) |
| return image; |
| } |
| } |
| if (object instanceof EObject) { |
| return getAdapter((EObject) object).getImage(object); |
| } |
| return super.getImage(object); |
| } |
| |
| public static ItemProviderAdapter getAdapter(EObject eObj) { |
| ItemProviderAdapter adapter = (ItemProviderAdapter) itemProviderMap |
| .get(eObj.eClass()); |
| if (adapter == null) { |
| adapter = (ItemProviderAdapter) TngUtil.umaItemProviderAdapterFactory |
| .createAdapter(eObj); |
| itemProviderMap.put(eObj.eClass(), adapter); |
| } |
| return adapter; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.epf.uma.provider.GuidanceItemProvider#getText(java.lang.Object) |
| */ |
| public String getText(Object object) { |
| return TngUtil.getLabel(object); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object object) { |
| EObject eObj = (EObject) super.getParent(object); |
| if (eObj == null) |
| return null; |
| ContentPackageItemProvider itemProvider = (ContentPackageItemProvider) TngUtil |
| .getAdapter(eObj, ContentPackageItemProvider.class); |
| if (itemProvider != null) { |
| return itemProvider.getGuidances(); |
| } |
| return eObj; |
| } |
| |
| protected Command createAddCommand(EditingDomain domain, EObject owner, |
| EStructuralFeature feature, Collection collection, int index) { |
| return new MethodElementAddCommand((AddCommand) super.createAddCommand( |
| domain, owner, feature, collection, index)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.epf.uma.provider.GuidanceItemProvider#notifyChanged(org.eclipse.emf.common.notify.Notification) |
| */ |
| public void notifyChanged(Notification notification) { |
| updateChildren(notification); |
| |
| TngUtil.refreshParentIfNameChanged(notification, this); |
| |
| super.notifyChanged(notification); |
| } |
| } |