| /******************************************************************************* |
| * Copyright (c) 2003, 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.activities.ws; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.ui.activities.IActivity; |
| import org.eclipse.ui.activities.IActivityManager; |
| import org.eclipse.ui.activities.IActivityRequirementBinding; |
| import org.eclipse.ui.activities.ICategory; |
| import org.eclipse.ui.activities.ICategoryActivityBinding; |
| |
| /** |
| * Tree provider that provides <code>ICategory</code> objects in an |
| * <code>IActivityManager</code> at the top level, with <code>IActivity</code> |
| * objects as second level children under the <code>ICategory</code>. |
| * <p> |
| * Note that the <code>IActivity</code> objects are not instances of |
| * <code>org.eclipse.ui.internal.activities.Activity</code>, but rather proxies |
| * that also have a pointer to the <code>ICategory</code> for which the |
| * <code>IActivity</code> should be represented under. |
| * |
| * @since 3.0 |
| */ |
| public class ActivityCategoryContentProvider implements ITreeContentProvider { |
| |
| /** |
| * The manager to extract content from. |
| */ |
| private IActivityManager manager; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| public void dispose() { |
| manager = null; |
| } |
| |
| /** |
| * @param category the category to fetch. |
| * @return all activities in the category. |
| */ |
| private IActivity[] getCategoryActivities(ICategory category) { |
| Set activityBindings = category.getCategoryActivityBindings(); |
| List categoryActivities = new ArrayList(activityBindings.size()); |
| for (Iterator j = activityBindings.iterator(); j.hasNext();) { |
| ICategoryActivityBinding binding = (ICategoryActivityBinding) j |
| .next(); |
| String activityId = binding.getActivityId(); |
| IActivity activity = manager.getActivity(activityId); |
| if (activity.isDefined()) { |
| categoryActivities.add(new CategorizedActivity(category, |
| activity)); |
| } |
| } |
| return (IActivity[]) categoryActivities |
| .toArray(new IActivity[categoryActivities.size()]); |
| } |
| |
| /** |
| * Get the duplicate activities found in the other defined categories. |
| * |
| * @param categorizedActivity |
| * The categorized activity. |
| * @return the list of duplicate categorized activities. |
| */ |
| public Object[] getDuplicateCategoryActivities( |
| CategorizedActivity categorizedActivity) { |
| ArrayList duplicateCategorizedactivities = new ArrayList(); |
| Set categoryIds = manager.getDefinedCategoryIds(); |
| ICategory currentCategory = null; |
| String currentActivityId = null; |
| IActivity[] categoryActivities = null; |
| String currentCategoryId = null; |
| // find the duplicate activities in the defined categories |
| for (Iterator i = categoryIds.iterator(); i.hasNext();) { |
| currentCategoryId = (String) i.next(); |
| if (!currentCategoryId.equals(categorizedActivity.getCategory() |
| .getId())) { |
| currentCategory = manager.getCategory(currentCategoryId); |
| categoryActivities = getCategoryActivities(currentCategory); |
| // traverse the category's activities to find a duplicate |
| for (int index = 0; index < categoryActivities.length; index++) { |
| currentActivityId = categoryActivities[index].getId(); |
| if (currentActivityId.equals(categorizedActivity |
| .getActivity().getId())) { |
| duplicateCategorizedactivities |
| .add(new CategorizedActivity(currentCategory, |
| manager.getActivity(currentActivityId))); |
| // Assuming only one unique activity per category - |
| // break |
| break; |
| } |
| } |
| |
| } |
| |
| } |
| return duplicateCategorizedactivities.toArray(); |
| } |
| |
| /** |
| * Get the child required activities. |
| * |
| * @param activityId |
| * The parent activity id. |
| * @return the list of child required activities. |
| */ |
| public Object[] getChildRequiredActivities(String activityId) { |
| ArrayList childRequiredActivities = new ArrayList(); |
| IActivity activity = manager.getActivity(activityId); |
| Set actvitiyRequirementBindings = activity |
| .getActivityRequirementBindings(); |
| String requiredActivityId = null; |
| IActivityRequirementBinding currentActivityRequirementBinding = null; |
| Object[] currentCategoryIds = null; |
| for (Iterator i = actvitiyRequirementBindings.iterator(); i.hasNext();) { |
| currentActivityRequirementBinding = (IActivityRequirementBinding) i |
| .next(); |
| requiredActivityId = currentActivityRequirementBinding |
| .getRequiredActivityId(); |
| currentCategoryIds = getActivityCategories(requiredActivityId); |
| for (int index = 0; index < currentCategoryIds.length; index++) { |
| childRequiredActivities.add(new CategorizedActivity(manager |
| .getCategory((String) currentCategoryIds[index]), |
| manager.getActivity(requiredActivityId))); |
| } |
| |
| } |
| |
| return childRequiredActivities.toArray(); |
| } |
| |
| /** |
| * Get the parent required activities. |
| * |
| * @param activityId |
| * The child activity id. |
| * @return the list of parent required activities. |
| */ |
| public Object[] getParentRequiredActivities(String activityId) { |
| ArrayList parentRequiredActivities = new ArrayList(); |
| Set definedActivities = manager.getDefinedActivityIds(); |
| String currentActivityId = null; |
| Set activityRequirementBindings = null; |
| IActivityRequirementBinding currentActivityRequirementBinding = null; |
| Object[] currentCategoryIds = null; |
| for (Iterator i = definedActivities.iterator(); i.hasNext();) { |
| currentActivityId = (String) i.next(); |
| activityRequirementBindings = manager |
| .getActivity(currentActivityId) |
| .getActivityRequirementBindings(); |
| for (Iterator j = activityRequirementBindings.iterator(); j |
| .hasNext();) { |
| currentActivityRequirementBinding = (IActivityRequirementBinding) j |
| .next(); |
| if (currentActivityRequirementBinding.getRequiredActivityId() |
| .equals(activityId)) { |
| // We found one - add it to the list |
| currentCategoryIds = getActivityCategories(currentActivityId); |
| for (int index = 0; index < currentCategoryIds.length; index++) { |
| parentRequiredActivities |
| .add(new CategorizedActivity( |
| manager |
| .getCategory((String) currentCategoryIds[index]), |
| manager.getActivity(currentActivityId))); |
| } |
| } |
| } |
| |
| } |
| return parentRequiredActivities.toArray(); |
| } |
| |
| /** |
| * Get the activity's categories (there could be more than one). |
| * |
| * @param activityId |
| * The activity id. |
| * @return the activity's categories. |
| */ |
| private Object[] getActivityCategories(String activityId) { |
| ArrayList activityCategories = new ArrayList(); |
| Set categoryIds = manager.getDefinedCategoryIds(); |
| String currentCategoryId = null; |
| IActivity[] categoryActivities = null; |
| for (Iterator i = categoryIds.iterator(); i.hasNext();) { |
| currentCategoryId = (String) i.next(); |
| categoryActivities = getCategoryActivities(manager |
| .getCategory(currentCategoryId)); |
| for (int index = 0; index < categoryActivities.length; index++) { |
| if (categoryActivities[index].getId().equals(activityId)) { |
| activityCategories.add(currentCategoryId); |
| break; |
| } |
| } |
| } |
| return activityCategories.toArray(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof IActivityManager) { |
| Set categoryIds = manager.getDefinedCategoryIds(); |
| ArrayList categories = new ArrayList(categoryIds.size()); |
| for (Iterator i = categoryIds.iterator(); i.hasNext();) { |
| String categoryId = (String) i.next(); |
| ICategory category = manager.getCategory(categoryId); |
| if (getCategoryActivities(category).length > 0) { |
| categories.add(category); |
| } |
| } |
| return categories.toArray(); |
| } else if (parentElement instanceof ICategory) { |
| return getCategoryActivities((ICategory) parentElement); |
| } |
| return new Object[0]; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof CategorizedActivity) { |
| return ((CategorizedActivity) element).getCategory(); |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| public boolean hasChildren(Object element) { |
| if (element instanceof IActivityManager || element instanceof ICategory) { |
| return true; |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| manager = (IActivityManager) newInput; |
| } |
| } |
