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/**
* Copyright (c) 2019 Red Hat Inc., and others
*
* 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:
* - Mickael Istria (Red Hat Inc.)
*/
package org.eclipse.jface.text.tests.codemining;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.osgi.framework.Bundle;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.core.runtime.ILog;
import org.eclipse.core.runtime.ILogListener;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.codemining.ICodeMining;
import org.eclipse.jface.text.codemining.ICodeMiningProvider;
import org.eclipse.jface.text.codemining.LineContentCodeMining;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.AnnotationPainter;
import org.eclipse.jface.text.source.IAnnotationAccess;
import org.eclipse.jface.text.source.ISharedTextColors;
import org.eclipse.jface.text.source.projection.ProjectionAnnotation;
import org.eclipse.jface.text.source.projection.ProjectionAnnotationModel;
import org.eclipse.jface.text.source.projection.ProjectionSupport;
import org.eclipse.jface.text.source.projection.ProjectionViewer;
import org.eclipse.jface.text.tests.util.DisplayHelper;
public class CodeMiningProjectionViewerTest {
private final class RepeatLettersCodeMiningProvider implements ICodeMiningProvider {
@Override
public CompletableFuture<List<? extends ICodeMining>> provideCodeMinings(ITextViewer viewer, IProgressMonitor monitor) {
List<LineContentCodeMining> codeMinings = new ArrayList<>();
for (int i = 0; i < viewer.getDocument().getLength(); i++) {
try {
char c= viewer.getDocument().getChar(i);
if (Character.isLetter(c)) {
codeMinings.add(new StaticContentLineCodeMining(i, c, this));
}
} catch (BadLocationException e) {
e.printStackTrace();
}
}
return CompletableFuture.completedFuture(codeMinings);
}
@Override
public void dispose() {
}
}
private Shell fParent;
private ProjectionViewer fViewer;
@Before
public void setUp() {
fParent= new Shell();
fParent.setSize(500, 200);
fParent.setLayout(new FillLayout());
fViewer= new ProjectionViewer(fParent, null, null, false, SWT.NONE);
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;
}
};
// code minings
AnnotationPainter painter = new AnnotationPainter(fViewer, annotationAccess);
fViewer.addPainter(painter);
fViewer.setCodeMiningAnnotationPainter(painter);
// projection/folding
fViewer.setDocument(new Document(), new ProjectionAnnotationModel());
ProjectionSupport projectionSupport = new ProjectionSupport(fViewer, annotationAccess, new ISharedTextColors() {
@Override
public Color getColor(RGB rgb) {
return null;
}
@Override
public void dispose() {
}
});
projectionSupport.install();
fViewer.doOperation(ProjectionViewer.TOGGLE);
}
@After
public void tearDown() {
fParent.dispose();
}
@Test
public void testCollapse() throws Exception {
fViewer.setCodeMiningProviders(new ICodeMiningProvider[] {
new RepeatLettersCodeMiningProvider()
});
fViewer.getDocument().set("1a\n2a\n3a\n4a\n5a\n6a\n");
ProjectionAnnotation annotation= new ProjectionAnnotation(true);
fViewer.getProjectionAnnotationModel().addAnnotation(annotation, new Position(0, fViewer.getDocument().getLineOffset(4)));
fViewer.doOperation(ProjectionViewer.COLLAPSE_ALL);
fViewer.updateCodeMinings();
fParent.open();
Bundle bundle = Platform.getBundle("org.eclipse.ui.workbench");
ILog log = null;
AtomicReference<IStatus> logError = new AtomicReference<>();
ILogListener logListener= (status, plugin) -> {
logError.set(status);
};
if (bundle != null && bundle.getState() == Bundle.ACTIVE) {
log = Platform.getLog(bundle);
log.addLogListener(logListener);
}
try {
// without workbench, next line throws Exception directly
DisplayHelper.sleep(fParent.getDisplay(), 1000);
Assert.assertNull(logError.get());
} finally {
if (log != null) {
log.removeLogListener(logListener);
}
}
}
}
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