| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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 |
| * Wolfgang Schell <ws@jetztgrad.net> - bug 259348 |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.runtime.registry; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.jface.viewers.*; |
| import org.eclipse.pde.internal.runtime.registry.model.*; |
| |
| public class RegistryBrowserContentProvider implements ITreeContentProvider { |
| |
| public boolean isInExtensionSet; |
| |
| private RegistryBrowser fRegistryBrowser; |
| |
| public RegistryBrowserContentProvider(RegistryBrowser registryBrowser) { |
| fRegistryBrowser = registryBrowser; |
| } |
| |
| @Override |
| public void dispose() { // nothing to dispose |
| } |
| |
| @Override |
| public Object[] getElements(Object element) { |
| return getChildren(element); |
| } |
| |
| @Override |
| public Object[] getChildren(Object element) { |
| if (element instanceof RegistryModel) { |
| RegistryModel model = (RegistryModel) element; |
| |
| switch (fRegistryBrowser.getGroupBy()) { |
| case (RegistryBrowser.BUNDLES) : |
| return model.getBundles(); |
| case (RegistryBrowser.EXTENSION_REGISTRY) : |
| return model.getExtensionPoints(); |
| case (RegistryBrowser.SERVICES) : |
| return model.getServiceNames(); |
| } |
| |
| return null; |
| } |
| |
| if (element instanceof Extension) |
| return ((Extension) element).getConfigurationElements(); |
| |
| isInExtensionSet = false; |
| if (element instanceof ExtensionPoint) |
| return ((ExtensionPoint) element).getExtensions().toArray(); |
| |
| if (element instanceof ConfigurationElement) |
| return ((ConfigurationElement) element).getElements(); |
| |
| if (element instanceof Bundle) { |
| if (fRegistryBrowser.getGroupBy() != RegistryBrowser.BUNDLES) // expands only in Bundles mode |
| return null; |
| |
| Bundle bundle = (Bundle) element; |
| |
| List folders = new ArrayList(9); |
| |
| folders.add(new Attribute(Attribute.F_LOCATION, bundle.getLocation())); |
| if (bundle.getImports().length > 0) |
| folders.add(new Folder(Folder.F_IMPORTS, bundle)); |
| if (bundle.getImportedPackages().length > 0) |
| folders.add(new Folder(Folder.F_IMPORTED_PACKAGES, bundle)); |
| if (bundle.getExportedPackages().length > 0) |
| folders.add(new Folder(Folder.F_EXPORTED_PACKAGES, bundle)); |
| if (bundle.getLibraries().length > 0) |
| folders.add(new Folder(Folder.F_LIBRARIES, bundle)); |
| if (bundle.getExtensionPoints().length > 0) |
| folders.add(new Folder(Folder.F_EXTENSION_POINTS, bundle)); |
| if (bundle.getExtensions().length > 0) |
| folders.add(new Folder(Folder.F_EXTENSIONS, bundle)); |
| if (bundle.getRegisteredServices().length > 0) |
| folders.add(new Folder(Folder.F_REGISTERED_SERVICES, bundle)); |
| if (bundle.getServicesInUse().length > 0) |
| folders.add(new Folder(Folder.F_SERVICES_IN_USE, bundle)); |
| if (bundle.getFragments().length > 0) |
| folders.add(new Folder(Folder.F_FRAGMENTS, bundle)); |
| |
| return folders.toArray(); |
| } |
| |
| isInExtensionSet = false; |
| |
| if (element instanceof Folder) { |
| Folder folder = (Folder) element; |
| isInExtensionSet = folder.getId() == Folder.F_EXTENSIONS; |
| ModelObject[] objs = folder.getChildren(); |
| if (folder.getId() == Folder.F_USING_BUNDLES) { |
| ModelObject[] result = new ModelObject[objs.length]; |
| ILabelProvider labelProvider = (ILabelProvider) fRegistryBrowser.getAdapter(ILabelProvider.class); |
| |
| for (int i = 0; i < objs.length; i++) { |
| result[i] = new Attribute(Attribute.F_BUNDLE, labelProvider.getText(objs[i])); |
| } |
| |
| objs = result; |
| } |
| return objs; |
| } |
| if (element instanceof ConfigurationElement) { |
| return ((ConfigurationElement) element).getElements(); |
| } |
| |
| if (element instanceof ExtensionPoint) { |
| ExtensionPoint extensionPoint = (ExtensionPoint) element; |
| Object[] objs = extensionPoint.getExtensions().toArray(); |
| return objs; |
| } |
| |
| if (element instanceof ServiceName) { |
| return ((ServiceName) element).getChildren(); |
| } |
| |
| if (element instanceof ServiceRegistration) { |
| ServiceRegistration service = (ServiceRegistration) element; |
| |
| List folders = new ArrayList(); |
| |
| if (service.getProperties().length > 0) |
| folders.add(new Folder(Folder.F_PROPERTIES, service)); |
| if (service.getUsingBundleIds().length > 0) |
| folders.add(new Folder(Folder.F_USING_BUNDLES, service)); |
| |
| return folders.toArray(); |
| } |
| |
| if (element instanceof Object[]) { |
| return (Object[]) element; |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| if (!(element instanceof ModelObject)) { |
| return null; |
| } |
| |
| if (element instanceof Folder) { |
| return ((Folder) element).getParent(); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| // Bundle and ServiceRegistration always have children |
| if (element instanceof Bundle) |
| return true; |
| if (element instanceof ServiceRegistration) |
| return true; |
| |
| Object[] children = getChildren(element); |
| return children != null && children.length > 0; |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { // do nothing |
| } |
| |
| } |