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/*******************************************************************************
* Copyright (c) 2007, 2016 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.ui.internal;
import java.util.StringTokenizer;
import org.eclipse.help.HelpSystem;
import org.eclipse.help.IHelpResource;
import org.eclipse.help.ILiveHelpAction;
import org.eclipse.help.IToc;
import org.eclipse.help.ITopic;
import org.eclipse.help.ui.internal.views.AllTopicsPart;
import org.eclipse.help.ui.internal.views.ReusableHelpPart;
public class ShowInTocAction implements ILiveHelpAction {
private String path;
@Override
public void setInitializationString(String data) {
path = data;
}
@Override
public void run() {
final IHelpResource res = getHelpResource();
final ReusableHelpPart helpPart = ReusableHelpPart.getLastActiveInstance();
if (helpPart != null) {
helpPart.getControl().getDisplay().syncExec(() -> {
helpPart.showPage(IHelpUIConstants.HV_ALL_TOPICS_PAGE);
AllTopicsPart part = (AllTopicsPart) helpPart.findPart(IHelpUIConstants.HV_TOPIC_TREE);
if (part != null) {
part.selectReveal(res);
}
});
}
}
private IHelpResource getHelpResource() {
StringTokenizer tok = new StringTokenizer(path, "_"); //$NON-NLS-1$
int index = Integer.parseInt(tok.nextToken());
IToc[] tocs = HelpSystem.getTocs();
IToc toc = tocs[index];
if (tok.hasMoreTokens()) {
ITopic topic = toc.getTopic(null);
while (tok.hasMoreTokens()) {
index = Integer.parseInt(tok.nextToken());
topic = topic.getSubtopics()[index];
}
return topic;
}
return toc;
}
}
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