/*******************************************************************************
* Copyright (c) 2012 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.editors;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.ui.TasksUi;
/**
* @author Sam Davis
*/
public class MultipleTaskHyperlinkDetector extends TaskHyperlinkDetector {
@Override
protected List<IHyperlink> detectHyperlinks(ITextViewer textViewer, String content, int index, int contentOffset) {
List<IHyperlink> result = new ArrayList<IHyperlink>();
TaskRepository currentRepository = getTaskRepository(textViewer);
final IHyperlink[] currentRepositoryLinks = detectHyperlinks(currentRepository, content, index, contentOffset);
if (currentRepositoryLinks != null && currentRepositoryLinks.length > 0) {
result.addAll(Arrays.asList(currentRepositoryLinks));
Set<Region> currentRepositoryRegions = new HashSet<Region>();
for (IHyperlink link : currentRepositoryLinks) {
currentRepositoryRegions.add(getRegion(link));
}
List<TaskRepository> otherRepositories = getTaskRepositories(textViewer);
otherRepositories.remove(currentRepository);
for (final TaskRepository repository : otherRepositories) {
final IHyperlink[] links = detectHyperlinks(repository, content, index, contentOffset);
if (links != null) {
for (IHyperlink link : links) {
// prevent highlighting text that is not already a link for the current repository
if (currentRepositoryRegions.contains(getRegion(link))) {
result.add(link);
}
}
}
}
}
if (result.isEmpty()) {
return null;
}
return result;
}
protected Region getRegion(IHyperlink link) {
if (link.getHyperlinkRegion() instanceof Region) {
return (Region) link.getHyperlinkRegion();
} else {
return new Region(link.getHyperlinkRegion().getOffset(), link.getHyperlinkRegion().getLength());
}
}
@Override
protected List<TaskRepository> getTaskRepositories(ITextViewer textViewer) {
return TasksUi.getRepositoryManager().getAllRepositories();
}
}