| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.javascript.cdnjs.ui; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| import org.netbeans.modules.javascript.cdnjs.Library; |
| import org.openide.nodes.AbstractNode; |
| import org.openide.nodes.Children; |
| import org.openide.nodes.Node; |
| |
| /** |
| * Node that represents files of some library. |
| * |
| * @author Jan Stola |
| */ |
| public class FilesNode extends AbstractNode { |
| /** Library represented by this node. */ |
| private final Library.Version version; |
| |
| /** |
| * Creates a new {@code FilesNode}. |
| * |
| * @param version library version that should be represented by the node. |
| * @param installedFiles installed files of the library (can be {@code null}). |
| */ |
| public FilesNode(Library.Version version, String[] installedFiles) { |
| super(new FilesChildren(version, installedFiles)); |
| this.version = version; |
| } |
| |
| /** |
| * Returns the library version whose files reflect the selection made |
| * by the user. |
| * |
| * @return library version whose files reflect the selection made |
| * by the user. |
| */ |
| Library.Version getSelection() { |
| if (version == null) { |
| return null; |
| } else { |
| Set<String> refusedFiles = new HashSet<>(); |
| collectRefusedFiles(refusedFiles); |
| Library.Version selection = version.filterVersion(refusedFiles); |
| return selection.getFiles().length == 0 ? null : selection; |
| } |
| } |
| |
| /** |
| * Collects the names of the files the user is not interested in. |
| * |
| * @param refusedFiles collection that should be populated by |
| * the refused files. |
| */ |
| void collectRefusedFiles(Collection<String> refusedFiles) { |
| for (Node node : getChildren().getNodes(true)) { |
| ((FileNode)node).collectRefusedFiles(refusedFiles); |
| } |
| } |
| |
| /** |
| * Children of the {@code FilesNode}. |
| */ |
| static class FilesChildren extends Children.Keys<String> { |
| /** Installed files of the library. */ |
| private final Set<String> installedFiles; |
| |
| /** |
| * Creates a new {@code FilesChildren} for the given library version. |
| * |
| * @param version library that should be represented by the node. |
| * @param installedFiles installed files of the library. |
| */ |
| FilesChildren(Library.Version version, String[] installedFiles) { |
| if (installedFiles == null) { |
| this.installedFiles = null; |
| } else { |
| this.installedFiles = new HashSet<>(Arrays.asList(installedFiles)); |
| } |
| setKeys((version == null) ? new String[0] : version.getFiles()); |
| } |
| |
| @Override |
| protected Node[] createNodes(String key) { |
| boolean install = (installedFiles != null) && installedFiles.contains(key); |
| return new Node[] {new FileNode(key, install)}; |
| } |
| } |
| |
| } |