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/**
* Copyright (c) 2017 Angelo ZERR.
* 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:
* 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\n"
+ "class A\n" + "new A\n" + "new A\n\n" + "class 5\n" + "new 5\n" + "new 5\n" + "new 5"),
new AnnotationModel());
// Add AnnotationPainter (required by CodeMining)
addAnnotationPainter(sourceViewer);
// Initialize codemining providers
((ISourceViewerExtension5) sourceViewer).setCodeMiningProviders(new ICodeMiningProvider[] {
new ClassReferenceCodeMiningProvider(), new ClassImplementationsCodeMiningProvider() });
// 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);
}
}
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