/*=============================================================================#
# Copyright (c) 2009-2016 Stephan Wahlbrink (WalWare.de) 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:
# Stephan Wahlbrink - initial API and implementation
#=============================================================================*/
package de.walware.docmlet.tex.internal.ui.editors;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import de.walware.ecommons.ltk.ui.sourceediting.ISourceEditor;
import de.walware.docmlet.tex.core.model.ITexSourceUnit;
import de.walware.docmlet.tex.core.model.TexNameAccess;
import de.walware.docmlet.tex.ui.actions.LtxOpenDeclarationHandler;
public class TexElementHyperlinkDetector extends AbstractHyperlinkDetector {
public TexElementHyperlinkDetector() {
}
@Override
public IHyperlink[] detectHyperlinks(final ITextViewer textViewer,
final IRegion region, final boolean canShowMultipleHyperlinks) {
final ISourceEditor editor= (ISourceEditor) getAdapter(ISourceEditor.class);
if (editor == null) {
return null;
}
final List<IHyperlink> hyperlinks = new ArrayList<>(4);
{ final TexNameAccess access = LtxOpenDeclarationHandler.searchAccess(editor, region);
if (access != null) {
hyperlinks.add(new OpenTexElementHyperlink(editor,
(ITexSourceUnit) editor.getSourceUnit(), access));
}
}
if (!hyperlinks.isEmpty()) {
return hyperlinks.toArray(new IHyperlink[hyperlinks.size()]);
}
return null;
}
}