| /** |
| * Copyright (c) 2017 Angelo ZERR. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Angelo Zerr <angelo.zerr@gmail.com> - [CodeMining] Add CodeMining support in SourceViewer - Bug 527515 |
| */ |
| package org.eclipse.jface.text.examples.codemining; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITextViewerExtension2; |
| import org.eclipse.jface.text.codemining.ICodeMiningProvider; |
| import org.eclipse.jface.text.reconciler.DirtyRegion; |
| import org.eclipse.jface.text.reconciler.IReconcilingStrategy; |
| import org.eclipse.jface.text.reconciler.MonoReconciler; |
| import org.eclipse.jface.text.source.Annotation; |
| import org.eclipse.jface.text.source.AnnotationModel; |
| import org.eclipse.jface.text.source.AnnotationPainter; |
| import org.eclipse.jface.text.source.IAnnotationAccess; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| import org.eclipse.jface.text.source.ISourceViewerExtension5; |
| import org.eclipse.jface.text.source.SourceViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * A Code Mining demo with class references and implementations minings. |
| * |
| */ |
| public class CodeMiningDemo { |
| |
| public static void main(String[] args) throws Exception { |
| |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| shell.setText("Code Mining demo"); |
| |
| ISourceViewer sourceViewer = new SourceViewer(shell, null, SWT.V_SCROLL | SWT.BORDER); |
| sourceViewer.setDocument( |
| new Document("// Type class & new keyword and see references CodeMining\n" |
| + "// Name class with a number N to emulate Nms before resolving the references CodeMining\n" |
| + "// Empty lines show a header annotating they're empty.\n" |
| + "// The word `echo` is echoed.\n" |
| + "// Lines containing `end` get an annotation at their end\n\n" |
| + "class A\n" // |
| + "new A\n" // |
| + "new A\n\n" // |
| + "code mining at end here\n" |
| + "code mining at end here with CRLF\r\n" |
| + "class 5\n" // |
| + "new 5\n" // |
| + "new 5\n" // |
| + "new 5\n"), |
| new AnnotationModel()); |
| // Add AnnotationPainter (required by CodeMining) |
| addAnnotationPainter(sourceViewer); |
| // Initialize codemining providers |
| ((ISourceViewerExtension5) sourceViewer).setCodeMiningProviders(new ICodeMiningProvider[] { |
| new ClassReferenceCodeMiningProvider(), // |
| new ClassImplementationsCodeMiningProvider(), // |
| new ToEchoWithHeaderAndInlineCodeMiningProvider("echo"), // |
| new EmptyLineCodeMiningProvider(), // |
| new EchoAtEndOfLineCodeMiningProvider()}); |
| // Execute codemining in a reconciler |
| MonoReconciler reconciler = new MonoReconciler(new IReconcilingStrategy() { |
| |
| @Override |
| public void setDocument(IDocument document) { |
| ((ISourceViewerExtension5) sourceViewer).updateCodeMinings(); |
| } |
| |
| @Override |
| public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) { |
| |
| } |
| |
| @Override |
| public void reconcile(IRegion partition) { |
| ((ISourceViewerExtension5) sourceViewer).updateCodeMinings(); |
| } |
| }, false); |
| reconciler.install(sourceViewer); |
| |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| display.dispose(); |
| } |
| |
| private static void addAnnotationPainter(ISourceViewer viewer) { |
| IAnnotationAccess annotationAccess = new IAnnotationAccess() { |
| @Override |
| public Object getType(Annotation annotation) { |
| return annotation.getType(); |
| } |
| |
| @Override |
| public boolean isMultiLine(Annotation annotation) { |
| return true; |
| } |
| |
| @Override |
| public boolean isTemporary(Annotation annotation) { |
| return true; |
| } |
| |
| }; |
| AnnotationPainter painter = new AnnotationPainter(viewer, annotationAccess); |
| ((ITextViewerExtension2) viewer).addPainter(painter); |
| // Register this annotation painter as CodeMining annotation painter. |
| ((ISourceViewerExtension5) viewer).setCodeMiningAnnotationPainter(painter); |
| } |
| |
| } |