| /******************************************************************************* |
| * Copyright (c) 2016 Red Hat Inc. 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: |
| * - Mickael Istria (Red Hat Inc.) |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.genericeditor; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| import org.eclipse.jface.text.quickassist.IQuickAssistInvocationContext; |
| import org.eclipse.jface.text.quickassist.IQuickAssistProcessor; |
| import org.eclipse.jface.text.source.Annotation; |
| |
| /** |
| * A quick assist processor that delegates all content assist |
| * operations to children provided in constructor and aggregates |
| * the results. |
| * |
| * @since 1.0 |
| */ |
| public class CompositeQuickAssistProcessor implements IQuickAssistProcessor { |
| |
| private List<IQuickAssistProcessor> fProcessors; |
| |
| public CompositeQuickAssistProcessor(List<IQuickAssistProcessor> processors) { |
| this.fProcessors = processors; |
| } |
| |
| @Override |
| public String getErrorMessage() { |
| StringBuilder res = new StringBuilder(); |
| for (IQuickAssistProcessor processor : this.fProcessors) { |
| String errorMessage = processor.getErrorMessage(); |
| if (errorMessage != null) { |
| res.append(errorMessage); |
| res.append('\n'); |
| } |
| } |
| if (res.length() == 0) { |
| return null; |
| } |
| return res.toString(); |
| } |
| |
| @Override |
| public boolean canFix(Annotation annotation) { |
| for (IQuickAssistProcessor processor : this.fProcessors) { |
| if (processor.canFix(annotation)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean canAssist(IQuickAssistInvocationContext invocationContext) { |
| for (IQuickAssistProcessor processor : this.fProcessors) { |
| if (processor.canAssist(invocationContext)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public ICompletionProposal[] computeQuickAssistProposals(IQuickAssistInvocationContext invocationContext) { |
| List<ICompletionProposal> res = new ArrayList<>(); |
| for (IQuickAssistProcessor processor : this.fProcessors) { |
| ICompletionProposal[] proposals = processor.computeQuickAssistProposals(invocationContext); |
| if (proposals != null) { |
| res.addAll(Arrays.asList(proposals)); |
| } |
| } |
| return res.toArray(new ICompletionProposal[res.size()]); |
| } |
| |
| } |