/*******************************************************************************
* Copyright (c) 2015 Red Hat Inc. 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:
* Red Hat - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.man.help;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.expressions.IEvaluationContext;
import org.eclipse.help.ITopic;
import org.eclipse.help.IUAElement;
/**
* A topic for a manual section. This topic will contain one sub-topic for every
* manual page in the section.
*/
public class SectionTopic implements ITopic, Comparable<SectionTopic> {
private final String displaySectionId;
private final String label;
private final Set<PageTopic> pages = new HashSet<>();
/**
* Create a topic for the given manual section.
*
* @param displaySectionId
* a section identifier for the purpose of grouping pages
* together for display to the user, e.g.: "1", "3pm" or "5x"
* @param label
* a human readable name for the section identifier
*/
public SectionTopic(String displaySectionId, String label) {
this.displaySectionId = displaySectionId;
this.label = label;
}
/**
* Add a manual page to this section.
*
* @param sectionId
* a section identifier for the manual section in which the given
* page lives
* @param pageId
* the identifier of the manual page
*/
public void addPage(String sectionId, String pageId) {
PageTopic page = new PageTopic(sectionId, pageId);
pages.add(page);
}
@Override
public boolean isEnabled(IEvaluationContext context) {
return true;
}
@Override
public IUAElement[] getChildren() {
return getSubtopics();
}
@Override
public String getHref() {
return null;
}
@Override
public String getLabel() {
return label;
}
@Override
public ITopic[] getSubtopics() {
List<PageTopic> pageList = new ArrayList<>(pages);
Collections.sort(pageList);
return pageList.toArray(new PageTopic[pageList.size()]);
}
@Override
public int compareTo(SectionTopic o) {
return displaySectionId.compareTo(o.displaySectionId);
}
}