/** | |
* 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 java.util.concurrent.CompletableFuture; | |
import org.eclipse.core.runtime.IProgressMonitor; | |
import org.eclipse.jface.text.BadLocationException; | |
import org.eclipse.jface.text.IDocument; | |
import org.eclipse.jface.text.ITextViewer; | |
import org.eclipse.jface.text.codemining.ICodeMiningProvider; | |
/** | |
* Class implementation mining. | |
* | |
*/ | |
public class ClassImplementationCodeMining extends AbstractClassCodeMining { | |
public ClassImplementationCodeMining(String className, int afterLineNumber, IDocument document, | |
ICodeMiningProvider provider) throws BadLocationException { | |
super(className, afterLineNumber, document, provider); | |
} | |
@Override | |
protected CompletableFuture<Void> doResolve(ITextViewer viewer, IProgressMonitor monitor) { | |
return CompletableFuture.runAsync(() -> { | |
IDocument document = viewer.getDocument(); | |
String className = super.getClassName(); | |
int refCount = 0; | |
int lineCount = document.getNumberOfLines(); | |
for (int i = 0; i < lineCount; i++) { | |
// check if request was canceled. | |
monitor.isCanceled(); | |
String line = getLineText(document, i); | |
refCount += line.contains("implements " + className) ? 1 : 0; | |
} | |
super.setLabel(refCount + " implementation"); | |
}); | |
} | |
} |