| //------------------------------------------------------------------------------ |
| // 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.itemsfilter; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.edit.provider.ITreeItemContentProvider; |
| import org.eclipse.emf.edit.provider.ItemProviderAdapter; |
| import org.eclipse.emf.edit.provider.WrapperItemProvider; |
| import org.eclipse.epf.library.edit.IFilter; |
| import org.eclipse.epf.library.edit.TngAdapterFactory; |
| import org.eclipse.epf.library.edit.process.ActivityWrapperItemProvider; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.epf.uma.BreakdownElement; |
| import org.eclipse.epf.uma.VariabilityElement; |
| |
| /** |
| * A utility class for managing element filtering in the method element selection |
| * dialogs. |
| * |
| * @author Shashidhar Kannoori |
| * @since 1.0 |
| */ |
| public class FilterUtil { |
| |
| public static void iterateCollection(Collection children, IFilter filter) { |
| for (Iterator iterator = children.iterator(); iterator.hasNext();) { |
| Object child = iterator.next(); |
| if (!filter.accept(child)) |
| iterator.remove(); |
| } |
| } |
| |
| /** |
| * Method for collecting the parents chain (upward) of an breakdownelement. |
| * |
| * @param AdapterFactory |
| * @param BreakdownElement |
| * @param List |
| */ |
| public static void getParentsInScope(AdapterFactory adapterFactory, |
| BreakdownElement element, java.util.List activityList) { |
| ItemProviderAdapter adapter = (ItemProviderAdapter) adapterFactory |
| .adapt(element, ITreeItemContentProvider.class); |
| Object parent = adapter.getParent(element); |
| if (parent instanceof Activity) { |
| activityList.add(parent); |
| getParentsInScope(adapterFactory, (BreakdownElement) parent, |
| activityList); |
| } |
| } |
| |
| /** |
| * Get all children of the activity recursively downwards. |
| * |
| * @param adapterFactory |
| * @param parent |
| * @param activityList |
| */ |
| public static void getChildActivitiesInScope(AdapterFactory adapterFactory, |
| Activity parent, List activityList) { |
| ItemProviderAdapter adapter = (ItemProviderAdapter) adapterFactory |
| .adapt(parent, ITreeItemContentProvider.class); |
| |
| Object o = adapter.getChildren(parent); |
| if (o instanceof List) { |
| List children = (List) o; |
| for (Iterator itor = children.iterator(); itor.hasNext();) { |
| Object obj = itor.next(); |
| if (obj instanceof Activity) { |
| activityList.add(obj); |
| getChildActivitiesInScope(adapterFactory, (Activity) obj, |
| activityList); |
| } |
| if (obj instanceof ActivityWrapperItemProvider) { |
| Object o1 = ((WrapperItemProvider) obj).getValue(); |
| activityList.add(o1); |
| getChildActivitiesInScope(adapterFactory, (Activity) o1, |
| activityList); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Convenient method for retriving all the contributors of |
| * variabilityelement in a list. |
| * |
| */ |
| public static void getContributors(List list, List generalizers) { |
| for (Iterator iterator = list.iterator(); iterator.hasNext();) { |
| Object e = iterator.next(); |
| if (e instanceof VariabilityElement) { |
| Iterator iter = TngUtil.getContributors((VariabilityElement) e); |
| while (iter.hasNext()) { |
| generalizers.add(iter.next()); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Convenient method for retriving all the contributors of |
| * variabilityelement in a list. |
| * |
| */ |
| public static void getGeneralizers(List list, List generalizers) { |
| for (Iterator iterator = list.iterator(); iterator.hasNext();) { |
| Object e = iterator.next(); |
| if (e instanceof VariabilityElement) { |
| Iterator iter = TngUtil.getGeneralizers((VariabilityElement) e); |
| while (iter.hasNext()) { |
| generalizers.add(iter.next()); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Convenient method for retriving all the variability bases of |
| * variabilityelement in a list. |
| * |
| */ |
| public static void getVariabilityBase(List list, List variabilitybases) { |
| for (Iterator iterator = list.iterator(); iterator.hasNext();) { |
| Object obj = iterator.next(); |
| if (obj instanceof VariabilityElement) { |
| VariabilityElement e = (VariabilityElement) obj; |
| for (; e.getVariabilityBasedOnElement() != null; variabilitybases |
| .add(e = (VariabilityElement) e |
| .getVariabilityBasedOnElement())) |
| ; |
| } |
| } |
| } |
| |
| /** |
| * Get parent activity for breakdownelement |
| * |
| * @param brElement |
| * @return |
| */ |
| public static Object getParentActivity(AdapterFactory adapterFactory, |
| BreakdownElement brElement) { |
| if (brElement != null) { |
| ItemProviderAdapter adapter = (ItemProviderAdapter) adapterFactory |
| .adapt(brElement, ITreeItemContentProvider.class); |
| Object parent = adapter.getParent(brElement); |
| while (!(parent instanceof Activity) && parent != null) { |
| brElement = (BreakdownElement) parent; |
| adapter = (ItemProviderAdapter) adapterFactory.adapt(brElement, |
| ITreeItemContentProvider.class); |
| parent = adapter.getParent(brElement); |
| } |
| |
| return parent; |
| } |
| return null; |
| } |
| |
| public static void getSubTree(AdapterFactory adapter, Activity activity, |
| List treeList) { |
| FilterUtil.getParentsInScope(TngAdapterFactory.INSTANCE |
| .getWBS_ComposedAdapterFactory(), activity, treeList); |
| FilterUtil.getChildActivitiesInScope(TngAdapterFactory.INSTANCE |
| .getWBS_ComposedAdapterFactory(), activity, treeList); |
| } |
| |
| public static void getSubTree(AdapterFactory adapter, List list, |
| List treeList) { |
| for (Iterator iterator = list.iterator(); iterator.hasNext();) { |
| Object obj = iterator.next(); |
| if (obj instanceof Activity) { |
| getSubTree(adapter, (Activity) obj, treeList); |
| } |
| } |
| } |
| |
| } |