cxHelpBrowser.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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   this list of conditions and the following disclaimer.

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   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software
   without specific prior written permission.

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#include "cxHelpBrowser.h"

#include <QHelpEngine>
#include "cxHelpEngine.h"
#include "cxTypeConversions.h"
#include <iostream>
#include <QDesktopServices>

namespace cx
{
HelpBrowser::HelpBrowser(QWidget *parent, HelpEnginePtr engine)
        : QTextBrowser(parent), mEngine(engine)
{
        connect(mEngine.get(), SIGNAL(keywordActivated(QString)), this, SLOT(showHelpForKeyword(const QString&)));
}

void HelpBrowser::showHelpForKeyword(const QString &id)
{
        if (mEngine->engine())
        {
                QMap<QString, QUrl> links = mEngine->engine()->linksForIdentifier(id);
                if (links.count())
                {
                        setSource(links.first());
                }
        }
}

void HelpBrowser::setSource(const QUrl& name)
{
        if (name.scheme() == "qthelp")
                QTextBrowser::setSource(name);
        else
        {
                QDesktopServices::openUrl(name);
        }

}

QVariant HelpBrowser::loadResource(int type, const QUrl &name)
{
        if (type < 4 && mEngine->engine())
        {
                QUrl url(name);
                if (name.isRelative())
                        url = source().resolved(url);

                if (url.scheme() == "qthelp")
                        return QVariant(mEngine->engine()->fileData(url));
                else
                        return QTextBrowser::loadResource(type, url);
        }
        return QVariant();
}

}//end namespace cx