| /******************************************************************************* |
| * Copyright (c) 2000, 2007 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.pde.internal.ui.views.plugins; |
| |
| import java.io.File; |
| |
| import org.eclipse.core.resources.IStorage; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJarEntryResource; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.ui.StandardJavaElementContentProvider; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.pde.core.plugin.IPluginModelBase; |
| import org.eclipse.pde.internal.core.FileAdapter; |
| import org.eclipse.pde.internal.core.ModelFileAdapter; |
| import org.eclipse.pde.internal.core.PDECore; |
| import org.eclipse.pde.internal.core.PluginModelManager; |
| import org.eclipse.pde.internal.ui.elements.DefaultContentProvider; |
| |
| public class PluginsContentProvider extends DefaultContentProvider |
| implements ITreeContentProvider, IStructuredContentProvider { |
| |
| private PluginsView fView; |
| private StandardJavaElementContentProvider fJavaProvider; |
| |
| /** |
| * Constructor for PluginsContentProvider. |
| */ |
| public PluginsContentProvider(PluginsView view) { |
| fView = view; |
| fJavaProvider = new StandardJavaElementContentProvider(); |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| if (newInput == null) return; |
| fView.updateTitle(newInput); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof PluginModelManager) { |
| return ((PluginModelManager) parentElement).getAllModels(); |
| } |
| if (parentElement instanceof IPluginModelBase) { |
| IPluginModelBase model = (IPluginModelBase)parentElement; |
| if (model != null) { |
| File file = new File(model.getInstallLocation()); |
| if (!file.isFile()) { |
| FileAdapter adapter = |
| new ModelFileAdapter( |
| model, |
| file, |
| PDECore.getDefault().getSearchablePluginsManager()); |
| return adapter.getChildren(); |
| } |
| } |
| } |
| |
| if (parentElement instanceof FileAdapter) { |
| return ((FileAdapter) parentElement).getChildren(); |
| } |
| |
| if (parentElement instanceof IPackageFragmentRoot || |
| parentElement instanceof IPackageFragment || |
| parentElement instanceof ICompilationUnit || |
| parentElement instanceof IStorage) |
| return fJavaProvider.getChildren(parentElement); |
| |
| return new Object[0]; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof PluginModelManager) { |
| return null; |
| } |
| if (element instanceof IPluginModelBase) { |
| return PDECore.getDefault().getModelManager(); |
| } |
| if (element instanceof ModelFileAdapter) { |
| return ((ModelFileAdapter) element).getModel(); |
| } |
| if (element instanceof FileAdapter) { |
| return ((FileAdapter) element).getParent(); |
| } |
| if (element instanceof IJarEntryResource) { |
| return ((IJarEntryResource) element).getParent(); |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| public boolean hasChildren(Object element) { |
| if (element instanceof PluginModelManager) { |
| return !((PluginModelManager) element).isEmpty(); |
| } |
| if (element instanceof IPluginModelBase) { |
| IPluginModelBase model = (IPluginModelBase)element; |
| return model.getUnderlyingResource() == null |
| && !new File(model.getInstallLocation()).isFile(); |
| } |
| if (element instanceof FileAdapter) { |
| FileAdapter fileAdapter = (FileAdapter) element; |
| return fileAdapter.hasChildren(); |
| } |
| if (element instanceof IPackageFragmentRoot || |
| element instanceof IPackageFragment || |
| element instanceof ICompilationUnit || |
| element instanceof IStorage) |
| return fJavaProvider.hasChildren(element); |
| return false; |
| } |
| |
| /** |
| * @see IStructuredContentProvider#getElements(Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| } |