| /* |
| * 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.html.angular.editor; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import javax.swing.text.Document; |
| import org.netbeans.api.html.lexer.HTMLTokenId; |
| import org.netbeans.api.lexer.Token; |
| import org.netbeans.api.lexer.TokenHierarchy; |
| import org.netbeans.api.lexer.TokenSequence; |
| import org.netbeans.api.project.FileOwnerQuery; |
| import org.netbeans.api.project.Project; |
| import org.netbeans.modules.csl.api.CodeCompletionContext; |
| import org.netbeans.modules.csl.api.CompletionProposal; |
| import org.netbeans.modules.csl.api.ElementHandle; |
| import org.netbeans.modules.csl.api.ElementKind; |
| import org.netbeans.modules.csl.spi.ParserResult; |
| import org.netbeans.modules.html.angular.index.AngularJsController; |
| import org.netbeans.modules.html.angular.index.AngularJsIndex; |
| import org.netbeans.modules.html.angular.model.Directive; |
| import org.netbeans.modules.javascript2.editor.spi.CompletionContext; |
| import org.netbeans.modules.javascript2.editor.spi.CompletionProvider; |
| import org.netbeans.modules.javascript2.model.api.Index; |
| import org.netbeans.modules.javascript2.model.api.IndexedElement; |
| import org.netbeans.modules.javascript2.model.api.JsElement; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileUtil; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * |
| * @author Petr Pisl |
| */ |
| @CompletionProvider.Registration(priority=5) |
| public class AngularJsCodeCompletion implements CompletionProvider { |
| |
| private enum AngularContext { |
| CONTROLLER, // controller name |
| LINK, // component name |
| UNKNOWN |
| }; |
| |
| private static final String MIMETYPE = "text/html/text/javascript"; |
| @Override |
| public List<CompletionProposal> complete(CodeCompletionContext ccContext, CompletionContext jsCompletionContext, String prefix) { |
| if (!MIMETYPE.equals(ccContext.getParserResult().getSnapshot().getMimePath().getPath())) { |
| // we are interested only in html documets |
| return Collections.emptyList(); |
| } |
| TokenSequence<HTMLTokenId> htmlTs = getHtmlTs(ccContext); |
| if (htmlTs == null) { |
| return Collections.emptyList(); |
| } |
| List<CompletionProposal> result = new ArrayList<>(); |
| // this should be document offset |
| htmlTs.move(ccContext.getCaretOffset()); |
| if (htmlTs.movePrevious()) { |
| AngularContext angularContext = findHtmlContext(htmlTs); |
| switch (angularContext) { |
| case CONTROLLER: |
| if (jsCompletionContext == CompletionContext.GLOBAL) { |
| result.addAll(findControllerNames(ccContext)); |
| } |
| break; |
| case LINK: |
| if (jsCompletionContext == CompletionContext.GLOBAL) { |
| result.addAll(findComponentNames(ccContext)); |
| } |
| break; |
| default: |
| } |
| } |
| |
| return result; |
| } |
| |
| @Override |
| public String getHelpDocumentation(ParserResult info, ElementHandle element) { |
| return null; |
| } |
| |
| private TokenSequence<HTMLTokenId> getHtmlTs(CodeCompletionContext ccContext) { |
| final Document document = ccContext.getParserResult().getSnapshot().getSource().getDocument(false); |
| TokenSequence<HTMLTokenId> result = null; |
| if (document != null) { |
| final TokenSequence<HTMLTokenId>[] value = new TokenSequence[1]; |
| document.render(new Runnable() { |
| |
| @Override |
| public void run() { |
| TokenHierarchy<Document> th = TokenHierarchy.get(document); |
| value[0] = th.tokenSequence(HTMLTokenId.language()); |
| } |
| }); |
| result = value[0]; |
| } |
| return result; |
| } |
| |
| private AngularContext findHtmlContext(TokenSequence<HTMLTokenId> htmlTs) { |
| Token<HTMLTokenId> token = htmlTs.token(); |
| HTMLTokenId id = token.id(); |
| switch (id) { |
| case OPERATOR: |
| if (htmlTs.movePrevious()) { |
| return findHtmlContext(htmlTs); |
| } |
| break; |
| case ARGUMENT: |
| String argument = token.text().toString(); |
| Directive directive = Directive.getDirective(argument); |
| if (directive != null) { |
| switch (directive) { |
| case controller : |
| return AngularContext.CONTROLLER; |
| case link: |
| return AngularContext.LINK; |
| } |
| } |
| } |
| return AngularContext.UNKNOWN; |
| } |
| |
| private Collection<? extends CompletionProposal> findControllerNames(CodeCompletionContext ccContext) { |
| FileObject fo = ccContext.getParserResult().getSnapshot().getSource().getFileObject(); |
| if (fo == null) { |
| return Collections.emptyList(); |
| } |
| Project project = FileOwnerQuery.getOwner(fo); |
| if (project == null) { |
| return Collections.emptyList(); |
| } |
| Collection<CompletionProposal> result = new ArrayList<>(); |
| AngularJsIndex angularIndex = null; |
| try { |
| angularIndex = AngularJsIndex.get(project); |
| } catch (IOException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| if (angularIndex != null) { |
| Collection<AngularJsController> controllers = angularIndex.getControllers(ccContext.getPrefix(), false); |
| for (AngularJsController controller : controllers) { |
| int anchor = ccContext.getCaretOffset() - ccContext.getPrefix().length(); |
| String name = controller.getName(); |
| URL url = controller.getDeclarationFile(); |
| File file = new File(url.toString()); |
| AngularJsElement element = new AngularJsElement(name, ElementKind.METHOD); |
| result.add(new AngularJsCompletionItem.AngularFOCompletionItem(element, anchor, FileUtil.toFileObject(FileUtil.normalizeFile(file)))); |
| } |
| } |
| |
| Index jsIndex = Index.get(fo); |
| if (jsIndex != null) { |
| Collection<IndexedElement> globalVars = jsIndex.getGlobalVar(ccContext.getPrefix()); |
| for (IndexedElement variable : globalVars) { |
| if (!variable.isAnonymous() && (variable.getJSKind() == JsElement.Kind.FUNCTION || variable.getJSKind() == JsElement.Kind.CONSTRUCTOR) && variable instanceof IndexedElement.FunctionIndexedElement) { |
| IndexedElement.FunctionIndexedElement function = (IndexedElement.FunctionIndexedElement)variable; |
| // pick up all functions that has at least one parameter and one of the paramets is $scope |
| if (!function.isAnonymous() && function.getParameters().size() > 0 && function.getParameters().containsKey("$scope")) { |
| AngularJsElement element = new AngularJsElement(function.getName(), ElementKind.METHOD); |
| int anchor = ccContext.getCaretOffset() - ccContext.getPrefix().length(); |
| result.add(new AngularJsCompletionItem.AngularFOCompletionItem(element, anchor, function.getFileObject())); |
| } |
| } |
| } |
| } |
| return result; |
| } |
| |
| private Collection<? extends CompletionProposal> findComponentNames(CodeCompletionContext ccContext) { |
| FileObject fo = ccContext.getParserResult().getSnapshot().getSource().getFileObject(); |
| if (fo == null) { |
| return Collections.emptyList(); |
| } |
| Project project = FileOwnerQuery.getOwner(fo); |
| if (project == null) { |
| return Collections.emptyList(); |
| } |
| Collection<CompletionProposal> result = new ArrayList<>(); |
| AngularJsIndex angularIndex = null; |
| try { |
| angularIndex = AngularJsIndex.get(project); |
| } catch (IOException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| if (angularIndex != null) { |
| Collection<String> components = angularIndex.getComponents(ccContext.getPrefix(), false); |
| for (String component : components) { |
| int anchor = ccContext.getCaretOffset() - ccContext.getPrefix().length(); |
| AngularJsElement element = new AngularJsElement(component, ElementKind.METHOD); |
| result.add(new AngularJsCompletionItem.AngularFOCompletionItem(element, anchor, null)); |
| } |
| } |
| return result; |
| } |
| } |