| /******************************************************************************* |
| * Copyright (c) 2008 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.activities; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.eclipse.ui.activities.IActivityManager; |
| import org.eclipse.ui.activities.ICategory; |
| import org.eclipse.ui.activities.ICategoryActivityBinding; |
| |
| /** |
| * Internal modifications to the (regrettably) public API in |
| * WorkbenchActivityHelper. Much of the logic for what to display in the |
| * preference page is bound to the API contracts in this class and these are no |
| * longer suitable now that we have expression bound activities to consider. |
| * |
| * <p> |
| * These methods are the same as the originals except that activities with |
| * expressions are not considered in any calculations. |
| * </p> |
| * |
| * <p> |
| * See bug 229424 for details. |
| * </p> |
| * |
| * @since 3.4 |
| * |
| */ |
| public final class InternalActivityHelper { |
| |
| public static Set getActivityIdsForCategory( |
| IActivityManager activityManager, ICategory category) { |
| Set bindings = category.getCategoryActivityBindings(); |
| Set activityIds = new HashSet(); |
| for (Iterator i = bindings.iterator(); i.hasNext();) { |
| ICategoryActivityBinding binding = (ICategoryActivityBinding) i |
| .next(); |
| String id = binding.getActivityId(); |
| if (activityManager.getActivity(id).getExpression() == null) |
| activityIds.add(id); |
| } |
| return activityIds; |
| } |
| |
| private static boolean isEnabled(IActivityManager activityManager, |
| String categoryId) { |
| |
| ICategory category = activityManager.getCategory(categoryId); |
| if (category.isDefined()) { |
| Set activityIds = getActivityIdsForCategory(activityManager, |
| category); |
| if (activityManager.getEnabledActivityIds() |
| .containsAll(activityIds)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| public static Set getEnabledCategories(IActivityManager activityManager) { |
| |
| Set definedCategoryIds = activityManager.getDefinedCategoryIds(); |
| Set enabledCategories = new HashSet(); |
| for (Iterator i = definedCategoryIds.iterator(); i.hasNext();) { |
| String categoryId = (String) i.next(); |
| if (isEnabled(activityManager, categoryId)) { |
| enabledCategories.add(categoryId); |
| } |
| } |
| return enabledCategories; |
| } |
| |
| public static Set getPartiallyEnabledCategories( |
| IActivityManager activityManager) { |
| Set definedCategoryIds = activityManager.getDefinedCategoryIds(); |
| Set partialCategories = new HashSet(); |
| for (Iterator i = definedCategoryIds.iterator(); i.hasNext();) { |
| String categoryId = (String) i.next(); |
| if (isPartiallyEnabled(activityManager, categoryId)) { |
| partialCategories.add(categoryId); |
| } |
| } |
| |
| return partialCategories; |
| } |
| |
| private static boolean isPartiallyEnabled(IActivityManager activityManager, |
| String categoryId) { |
| Set activityIds = getActivityIdsForCategory(activityManager, |
| activityManager.getCategory(categoryId)); |
| int foundCount = 0; |
| for (Iterator i = activityIds.iterator(); i.hasNext();) { |
| String activityId = (String) i.next(); |
| if (activityManager.getEnabledActivityIds().contains(activityId)) { |
| foundCount++; |
| } |
| } |
| |
| return foundCount > 0 && foundCount != activityIds.size(); |
| } |
| } |