#include "helpdialog.h"
#include "ui_helpdialog.h"

#include <QHelpEngine>
#include <QHelpContentWidget>
#include <QHelpIndexWidget>

void HelpBrowser::setHelpEngine(QHelpEngine *helpEngine)
{
    mHelpEngine = helpEngine;
}

QVariant HelpBrowser::loadResource(int type, const QUrl &name)
{
    if (name.scheme() == "qthelp") {
        QString url(name.toString());
        while (url.indexOf("/./") > 0)
            url.remove(url.indexOf("/./"), 2);
        return QVariant(mHelpEngine->fileData(QUrl(url)));
    }
    return QTextBrowser::loadResource(type, name);
}

HelpDialog::HelpDialog(QWidget *parent) :
    QDialog(parent),
    mUi(new Ui::HelpDialog)
{
    mUi->setupUi(this);

    mHelpEngine = new QHelpEngine(QApplication::applicationDirPath() + "/online-help.qhc");
    mHelpEngine->setupData();

    mUi->contents->addWidget(mHelpEngine->contentWidget());
    mUi->index->addWidget(mHelpEngine->indexWidget());

    mUi->textBrowser->setHelpEngine(mHelpEngine);

    mUi->textBrowser->setSource(QUrl("qthelp://cppcheck.sourceforge.net/doc/index.html"));
    connect(mHelpEngine->contentWidget(),
            SIGNAL(linkActivated(QUrl)),
            mUi->textBrowser,
            SLOT(setSource(QUrl)));

    connect(mHelpEngine->indexWidget(),
            SIGNAL(linkActivated(QUrl, QString)),
            mUi->textBrowser,
            SLOT(setSource(QUrl)));
}

HelpDialog::~HelpDialog()
{
    delete mUi;
}