/**************************************************************************************
  Copyright (C) 2003 by Jeroen Wijnhout (Jeroen.Wijnhout@kdemail.net)
                2011-2018 by Michel Ludwig (michel.ludwig@kdemail.net)
 **************************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "kiletoolmanager.h"

#include <algorithm>

#include <QFileInfo>
#include <QMenu>
#include <QRegExp>
#include <QTimer>

#include <KActionCollection>
#include <KConfig>
#include <KLocalizedString>
#include <KMessageBox>
#include <KParts/PartManager>
#include <KSelectAction>

#include "configurationmanager.h"
#include "errorhandler.h"
#include "kileconfig.h"
#include "kiledebug.h"
#include "kiledocmanager.h"
#include "kileinfo.h"
#include "kileproject.h"
#include "kilestdtools.h"
#include "kiletool_enums.h"
#include "parser/parsermanager.h"
#include "widgets/logwidget.h"
#include "widgets/outputview.h"
#include "widgets/sidebar.h"

namespace KileTool
{
QueueItem::QueueItem(Base *tool, bool block) : m_tool(tool), m_bBlock(block)
{
}

QueueItem::~QueueItem()
{
}

Base* Queue::tool() const
{
    if(count() > 0 && head()) {
        return head()->tool();
    }
    else {
        return 0;
    }
}

bool Queue::shouldBlock() const
{
    if(count() > 0 && head()) {
        return head()->shouldBlock();
    }
    else {
        return false;
    }
}

void Queue::enqueueNext(QueueItem *item)
{
    if(count() < 2) {
        enqueue(item);
    }
    else {
        QueueItem *headitem = dequeue();
        Queue *oldqueue = new Queue(*this);

        clear();
        KILE_DEBUG_MAIN << "\tenqueueing: " << headitem->tool()->name() << endl;
        enqueue(headitem);
        KILE_DEBUG_MAIN << "\tenqueueing: " << item->tool()->name() << endl;
        enqueue(item);
        while(!oldqueue->isEmpty()) {
            KILE_DEBUG_MAIN << "\tenqueueing: " << oldqueue->head()->tool()->name() << endl;
            enqueue(oldqueue->dequeue());
        }
    }
}

Manager::Manager(KileInfo *ki, KConfig *config, KileWidget::OutputView *output, QStackedWidget *stack, uint to, KActionCollection *ac) :
    m_ki(ki),
    m_config(config),
    m_output(output),
    m_stack(stack),
    m_stopAction(Q_NULLPTR),
    m_bClear(true),
    m_nLastResult(Success),
    m_nTimeout(to),
    m_bibliographyBackendSelectAction(Q_NULLPTR)
{
    connect(m_ki->parserManager(), SIGNAL(documentParsingComplete()), this, SLOT(handleDocumentParsingComplete()));

    connect(this, SIGNAL(childToolSpawned(KileTool::Base*,KileTool::Base*)),
            m_ki->errorHandler(), SLOT(handleSpawnedChildTool(KileTool::Base*,KileTool::Base*)));

    m_timer = new QTimer(this);
    connect(m_timer, SIGNAL(timeout()), this, SLOT(enableClear()));

    connect(m_ki->errorHandler(), SIGNAL(currentLaTeXOutputHandlerChanged(LaTeXOutputHandler*)), SLOT(currentLaTeXOutputHandlerChanged(LaTeXOutputHandler*)));

    //create actions must be invoked before buildBibliographyBackendSelection()!
    createActions(ac);
    buildBibliographyBackendSelection();

    connect(m_ki->configurationManager(), SIGNAL(configChanged()), SLOT(buildBibliographyBackendSelection()));
}

Manager::~Manager()
{
    KILE_DEBUG_MAIN;

    for(QQueue<QueueItem*>::iterator i = m_queue.begin(); i != m_queue.end(); ++i) {
        // this will also stop any running processes
        delete (*i)->tool();
        delete (*i);
    }
    // tools have the tool manager as parent; so, all remaining tools will be deleted
    // after this, i.e. those that were scheduled for deletion via 'deleteLater' but
    // are no longer member of the queue
}

bool Manager::shouldBlock()
{
    return m_queue.shouldBlock();
}

// in some cases the pointer m_stopAction might not be valid, therefore this helper function comes in handy
void Manager::setEnabledStopButton(bool state) {

    if(m_stopAction) {
        m_stopAction->setEnabled(state);
    }
}

void Manager::enableClear()
{
    m_bClear = true;
}

bool Manager::queryContinue(const QString & question, const QString & caption /*= QString()*/)
{
    return (KMessageBox::warningContinueCancel(m_stack, question, caption, KStandardGuiItem::cont(), KStandardGuiItem::no(), "showNotALaTeXRootDocumentWarning") == KMessageBox::Continue);
}

void Manager::run(Base *tool)
{
    // if the tool requests a save-all operation, we wait for the parsing to
    // be finished before launching it
    if(!tool->requestSaveAll() || m_ki->parserManager()->isDocumentParsingComplete()) {
        // parsing done, we can start the tool immediately
        runImmediately(tool);
        return;
    }
    connect(tool, SIGNAL(aboutToBeDestroyed(KileTool::Base*)),
            this, SLOT(toolScheduledAfterParsingDestroyed(KileTool::Base*)), Qt::UniqueConnection);
    if(!m_toolsScheduledAfterParsingList.contains(tool)) {
        m_toolsScheduledAfterParsingList.push_back(tool);
    }
}

void Manager::toolScheduledAfterParsingDestroyed(KileTool::Base *tool)
{
    m_toolsScheduledAfterParsingList.removeAll(tool);
}

void Manager::handleDocumentParsingComplete()
{
    Q_FOREACH(Base *tool, m_toolsScheduledAfterParsingList) {
        disconnect(tool, SIGNAL(aboutToBeDestroyed(KileTool::Base*)),
                   this, SLOT(toolScheduledAfterParsingDestroyed(KileTool::Base*)));
        runImmediately(tool);
    }
    m_toolsScheduledAfterParsingList.clear();
}

int Manager::runImmediately(Base *tool, bool insertNext /*= false*/, bool block /*= false*/, Base *parent /*= Q_NULLPTR*/)
{
    KILE_DEBUG_MAIN << "==KileTool::Manager::runImmediately(Base *)============" << endl;
    if(m_bClear && (m_queue.count() == 0)) {
        m_ki->errorHandler()->clearMessages();
        m_output->clear();
    }

    if(dynamic_cast<KileTool::LaTeX*>(tool)) {
        connect(tool, SIGNAL(done(KileTool::Base*,int,bool)),
                m_ki->errorHandler(), SLOT(handleLaTeXToolDone(KileTool::Base*,int,bool)));
    }

    if(tool->needsToBePrepared()) {
        tool->prepareToRun();
    }

    //FIXME: shouldn't restart timer if a Sequence command takes longer than the 10 secs
    //restart timer, so we only clear the logs if a tool is started after 10 sec.
    m_bClear = false;
    m_timer->start(m_nTimeout);

    if(insertNext) {
        m_queue.enqueueNext(new QueueItem(tool, block));
    }
    else {
        m_queue.enqueue(new QueueItem(tool, block));
    }

    if(parent) {
        emit(childToolSpawned(parent,tool));
    }

    KILE_DEBUG_MAIN << "\tin queue: " << m_queue.count() << endl;
    if(m_queue.count() == 1) {
        return runNextInQueue();
    }
    else if(m_queue.count() > 1) {
        return Running;
    }
    else {
        return ConfigureFailed;
    }
}

int Manager::runChildNext(Base *parent, Base *tool, bool block /*= false*/)
{
    parent->setupAsChildTool(tool);

    return runImmediately(tool, true, block, parent);
}

int Manager::runNextInQueue()
{
    Base *head = m_queue.tool();
    if(head) {
        if (m_ki->errorHandler()->areMessagesShown()) {
            m_ki->errorHandler()->addEmptyLineToMessages();
        }

        if(!head->isPrepared()) {
            head->prepareToRun();
        }

        int status;
        if((status=head->run()) != Running) { //tool did not even start, clear queue
            stop();
            for(QQueue<QueueItem*>::iterator i = m_queue.begin(); i != m_queue.end(); ++i) {
                (*i)->tool()->deleteLater();
                delete (*i);
            }
            m_queue.clear();
            return status;
        }

        m_ki->errorHandler()->startToolLogOutput();
        emit(toolStarted());

        return Running;
    }

    return ConfigureFailed;
}

Base* Manager::createTool(const QString& name, const QString &cfg, bool prepare)
{
    if(!m_factory) {
        m_ki->errorHandler()->printMessage(Error, i18n("No factory installed, contact the author of Kile."));
        return Q_NULLPTR;
    }

    Base* pTool = m_factory->create(name, cfg, prepare);
    if(!pTool) {
        m_ki->errorHandler()->printMessage(Error, i18n("Unknown tool %1.", name));
        return Q_NULLPTR;
    }
    initTool(pTool);
    return pTool;
}

void Manager::initTool(Base *tool)
{
    tool->setInfo(m_ki);
    tool->setConfig(m_config);

    connect(tool, SIGNAL(message(int,QString,QString)), m_ki->errorHandler(), SLOT(printMessage(int,QString,QString)));
    connect(tool, SIGNAL(output(QString)), m_output, SLOT(receive(QString)));
    connect(tool, SIGNAL(done(KileTool::Base*,int,bool)), this, SLOT(done(KileTool::Base*,int)));
    connect(tool, SIGNAL(start(KileTool::Base*)), this, SLOT(started(KileTool::Base*)));
}

void Manager::started(Base *tool)
{
    KILE_DEBUG_MAIN << "STARTING tool: " << tool->name() << endl;
    setEnabledStopButton(true);

    if (tool->isViewer()) {
        if(tool == m_queue.tool()) {
            m_queue.dequeue();
        }
        setEnabledStopButton(false);
        QTimer::singleShot(100, this, SLOT(runNextInQueue()));
    }
}

void Manager::stop()
{
    setEnabledStopButton(false);
    if(m_queue.tool()) {
        m_queue.tool()->stop();
    }
}

void Manager::stopLivePreview()
{
    KILE_DEBUG_MAIN;

    Base *tool = m_queue.tool();

    if(tool && tool->isPartOfLivePreview()) {
        setEnabledStopButton(false);
        tool->stop();
    }

    deleteLivePreviewToolsFromQueue();
    deleteLivePreviewToolsFromRunningAfterParsingQueue();
}

void Manager::stopActionDestroyed()
{
    m_stopAction = Q_NULLPTR;
}

void Manager::done(KileTool::Base *tool, int result)
{
    setEnabledStopButton(false);
    m_nLastResult = result;

    m_ki->errorHandler()->endToolLogOutput();

    if(tool != m_queue.tool()) { //oops, tool finished async, could happen with view tools
        tool->deleteLater();
        return;
    }

    QueueItem *item = m_queue.dequeue();
    item->tool()->deleteLater();
    delete item;

    if(result == Aborted) {
        tool->sendMessage(Error, i18n("Aborted"));
    }

    if(result != Success && result != Silent) { //abort execution, delete all remaining tools
        if(tool->isPartOfLivePreview()) { // live preview was stopped / aborted
            deleteLivePreviewToolsFromQueue();
            // don't forget to run non-live preview tools that are pending
            runNextInQueue();
        }
        else {
            for(QQueue<QueueItem*>::iterator i = m_queue.begin(); i != m_queue.end(); ++i) {
                (*i)->tool()->deleteLater();
                delete (*i);
            }
            m_queue.clear();
            m_ki->focusLog();
        }
    }
    else { //continue
        runNextInQueue();
    }
}

void Manager::deleteLivePreviewToolsFromQueue()
{
    for(QQueue<QueueItem*>::iterator i = m_queue.begin(); i != m_queue.end();) {
        QueueItem *item = *i;
        if(item->tool()->isPartOfLivePreview()) {
            i = m_queue.erase(i);
            item->tool()->deleteLater();
            delete item;
        }
        else {
            ++i;
        }
    }
}

void Manager::deleteLivePreviewToolsFromRunningAfterParsingQueue()
{
    for(QQueue<Base*>::iterator i = m_toolsScheduledAfterParsingList.begin(); i != m_toolsScheduledAfterParsingList.end();) {
        Base *tool = *i;
        if(tool->isPartOfLivePreview()) {
            i = m_toolsScheduledAfterParsingList.erase(i);
            delete tool;
        }
        else {
            ++i;
        }
    }
}

QString Manager::currentGroup(const QString &name, bool usequeue, bool useproject)
{
    if (useproject) {
        KileProject *project = m_ki->docManager()->activeProject();
        if(project) {
            QString cfg = configName(name, dynamic_cast<KConfig*>(project->config()));
            if(cfg.length() > 0) {
                return groupFor(name, cfg);
            }
        }
    }
    if(usequeue && !m_queue.isEmpty() && m_queue.tool() && (m_queue.tool()->name() == name) && (!m_queue.tool()->toolConfig().isEmpty())) {
        return groupFor(name, m_queue.tool()->toolConfig());
    }
    else {
        return groupFor(name, m_config);
    }
}

bool Manager::retrieveEntryMap(const QString & name, Config & map, bool usequeue, bool useproject, const QString & cfg /*= QString()*/)
{
    QString group = (cfg.isEmpty()) ? currentGroup(name, usequeue, useproject) : groupFor(name, cfg);

    KILE_DEBUG_MAIN << "==KileTool::Manager::retrieveEntryMap=============" << endl;
    KILE_DEBUG_MAIN << "\t" << name << " => " << group << endl;
    if(m_config->hasGroup(group)) {
        map = m_config->entryMap(group);

        //use project overrides
        KileProject *project = m_ki->docManager()->activeProject();
        if(useproject && project) {
            KConfig *prjcfg = dynamic_cast<KConfig*>(project->config());
            if(prjcfg) {
                QString grp = groupFor(name, prjcfg);
                Config prjmap = prjcfg->entryMap(grp);
                for (Config::Iterator it  = prjmap.begin(); it != prjmap.end(); ++it) {
                    map[it.key()] = it.value();
                }
            }
        }
    }
    else {
        return false;
    }

    return true;
}

void Manager::saveEntryMap(const QString & name, Config & map, bool usequeue, bool useproject)
{
    KILE_DEBUG_MAIN << "==KileTool::Manager::saveEntryMap=============" << endl;
    QString group = currentGroup(name, usequeue, useproject);
    KILE_DEBUG_MAIN << "\t" << name << " => " << group << endl;
    KConfigGroup configGroup = m_config->group(group);

    Config::Iterator it;
    for(it = map.begin() ; it != map.end(); ++it) {
        if(!it.value().isEmpty()) {
            configGroup.writeEntry(it.key(), it.value());
        }
    }
}

bool Manager::configure(Base *tool, const QString& cfg /* = QString() */)
{
    KILE_DEBUG_MAIN << "==KileTool::Manager::configure()===============" << endl;
    //configure the tool

    Config map;

    if(!retrieveEntryMap(tool->name(), map, true, true, cfg)) {
        QString group = (cfg.isEmpty()) ? currentGroup(tool->name(), true, true) : groupFor(tool->name(), cfg);
        m_ki->errorHandler()->printMessage(Error, i18n("Cannot find the tool \"%1\" in the configuration database.", group));
        return false;
    }

    tool->setEntryMap(map);

    return true;
}

void Manager::wantGUIState(const QString & state)
{
    KILE_DEBUG_MAIN << "REQUESTED state: " << state << endl;
    emit(requestGUIState(state));
}

KileView::Manager* Manager::viewManager()
{
    return m_ki->viewManager();
}

KileTool::LivePreviewManager* Manager::livePreviewManager()
{
    return m_ki->livePreviewManager();
}

KileParser::Manager* Manager::parserManager()
{
    return m_ki->parserManager();
}

QStringList toolList(KConfig *config, bool menuOnly)
{
    KILE_DEBUG_MAIN << "==KileTool::toolList()==================" << endl;

    const QStringList groups = config->groupList();
    QStringList tools;

    QRegExp re = QRegExp("Tool/(.+)/.+");
    QString name;

    for(auto group : groups) {
        if(!config->hasGroup(group)) { // 'group' might have been deleted
            continue;                // work around bug 384039
        }
        if(re.exactMatch(group)) {
            name = configName(re.cap(1), config);

            if(name.isEmpty() || !group.endsWith(name)) {
                continue;
            }

            if((!menuOnly) || (menuFor(re.cap(1), config) != "none")) {
                tools.append(re.cap(1));
            }
        }
    }

    tools.sort();
// 		KILE_DEBUG_MAIN << "tools " << tools.join(", ");

    return tools;
}

QList<ToolConfigPair> toolsWithConfigurationsBasedOnClass(KConfig *config, const QString& className)
{
    const QStringList groups = config->groupList();
    QStringList tools;

    QRegExp re = QRegExp("Tool/(.+)/(.+)");
    QList<ToolConfigPair> toReturn;

    for(auto group : groups) {
        if(!config->hasGroup(group)) { // 'group' might have been deleted
            continue;                // work around bug 384039
        }
        if(re.exactMatch(group)) {
            const QString toolName = re.cap(1);
            const QString configName = re.cap(2);

            if(toolName.isEmpty()) {
                continue;
            }

            if(config->group(group).readEntry("class", "") == className) {
                toReturn.push_back(ToolConfigPair(toolName, configName));
            }
        }
    }

    return toReturn;
}

QString configName(const QString & tool, KConfig *config)
{
    return config->group("Tools").readEntry(tool, QString());
}

void Manager::setConfigName(const QString &tool, const QString &name)
{
    KileTool::setConfigName(tool, name, m_config);
}

void setConfigName(const QString &tool, const QString &name, KConfig *config)
{
    KILE_DEBUG_MAIN << "==KileTool::Manager::setConfigName(" << tool << "," << name << ")===============" << endl;
    config->group("Tools").writeEntry(tool, name);
}

QString groupFor(const QString &tool, KConfig *config)
{
    return groupFor(tool, configName(tool, config));
}

QString groupFor(const QString& tool, const QString& cfg /* = Default */ )
{
    QString group = "Tool/" + tool + '/' + cfg;
    KILE_DEBUG_MAIN << "groupFor(const QString &" << tool << ", const QString & " << cfg << " ) = " << group;
    return group;
}

void extract(const QString &str, QString &tool, QString &cfg)
{
    static QRegExp re("([^\\(]*)\\((.*)\\)");
    QString lcl = str.trimmed();
    cfg.clear();
    if(re.exactMatch(lcl)) {
        tool = re.cap(1).trimmed();
        cfg = re.cap(2).trimmed();
    }
    else {
        tool = lcl;
    }
    KILE_DEBUG_MAIN << "===void extract(const QString &str = " << str << " , QString &tool = " << tool << ", QString &cfg = " << cfg << " )===" << endl;
}

QString format(const QString & tool, const QString &cfg)
{
    if (!cfg.isEmpty()) {
        return tool + '(' + cfg + ')';
    }
    else {
        return tool;
    }
}

QStringList configNames(const QString &tool, KConfig *config)
{
    const QStringList groups = config->groupList();
    QStringList configs;

    QRegExp re = QRegExp("Tool/"+ tool +"/(.+)");

    for(auto group : groups) {
        if(!config->hasGroup(group)) { // 'group' might have been deleted
            continue;                // work around bug 384039
        }
        if(re.exactMatch(group)) {
            configs.append(re.cap(1));
        }
    }

    return configs;
}

QString commandFor(const QString& toolName, const QString& configName, KConfig *config)
{
    return config->group(groupFor(toolName, configName)).readEntry("command", "");
}

QString menuFor(const QString &tool, KConfig *config)
{
    return config->group("ToolsGUI").readEntry(tool, "Other,application-x-executable").section(',', 0, 0);
}

QString iconFor(const QString &tool, KConfig *config)
{
    return config->group("ToolsGUI").readEntry(tool, "Other,application-x-executable").section(',', 1, 1);
}

void setGUIOptions(const QString &tool, const QString &menu, const QString &icon, KConfig *config)
{
    QString entry = menu + ',' + icon;

    config->group("ToolsGUI").writeEntry(tool, entry);
}

QString categoryFor(const QString &clss)
{
    if(clss == "Compile" || clss == "LaTeX") {
        return "Compile";
    }
    if(clss == "Convert") {
        return "Convert";
    }
    if(clss == "View" || clss == "ViewBib" || clss == "ViewHTML" || clss == "ForwardDVI") {
        return "View";
    }
    if(clss == "Sequence") {
        return "Sequence";
    }
    if(clss == "Archive") {
        return "Archive";
    }

    return "Base";
}
}

bool KileTool::Manager::containsBibliographyTool(const ToolConfigPair& p) const
{
    return m_bibliographyToolsList.contains(p);
}

KileTool::ToolConfigPair KileTool::Manager::findFirstBibliographyToolForCommand(const QString& command) const
{
    // for now we will just select the first suitable tool
    Q_FOREACH(const KileTool::ToolConfigPair& tool, m_bibliographyToolsList) {
        const QString toolCommand = commandFor(tool, m_config);
        if (QString::compare(command, toolCommand, Qt::CaseInsensitive) == 0) {
            return tool;
        }
    }

    return KileTool::ToolConfigPair();
}

void KileTool::Manager::buildBibliographyBackendSelection()
{
    m_bibliographyBackendSelectAction->removeAllActions();
    m_bibliographyBackendSelectAction->menu()->clear();
    for(QMap<ToolConfigPair, QAction *>::iterator i = m_bibliographyBackendActionMap.begin(); i != m_bibliographyBackendActionMap.end(); ++i) {
        delete i.value();
    }
    m_bibliographyBackendActionMap.clear();
    m_bibliographyToolsList.clear();

    m_bibliographyBackendSelectAction->addAction(m_bibliographyBackendAutodetectAction);

    m_bibliographyToolsList = toolsWithConfigurationsBasedOnClass(m_config, BibliographyCompile::ToolClass);
    std::sort(m_bibliographyToolsList.begin(), m_bibliographyToolsList.end()); // necessary for the user-visible actions in the menu bar

    Q_FOREACH(const ToolConfigPair& tool, m_bibliographyToolsList) {
        // create an action for backend selection
        QAction * action = m_bibliographyBackendSelectAction->addAction(tool.userStringRepresentation());
        action->setData(qVariantFromValue(tool));
        m_bibliographyBackendActionMap[tool] = action;
    }

    m_bibliographyBackendSelectAction->menu()->addSeparator();
    m_bibliographyBackendSelectAction->menu()->addAction(m_bibliographyBackendResetAutodetectedAction);

    currentLaTeXOutputHandlerChanged(m_ki->findCurrentLaTeXOutputHandler());
}

void KileTool::Manager::createActions(KActionCollection *ac)
{
    m_stopAction = new QAction(this);
    m_stopAction->setText(i18n("&Stop"));
    ac->addAction(QLatin1String("Stop"), m_stopAction);
    ac->setDefaultShortcut(m_stopAction, QKeySequence(Qt::Key_Escape));
    m_stopAction->setIcon(QIcon::fromTheme(QLatin1String("process-stop")));
    m_stopAction->setEnabled(false);
    connect(m_stopAction, &QAction::triggered, this, &KileTool::Manager::stop);

    delete m_bibliographyBackendSelectAction;

    m_bibliographyBackendSelectAction = new KSelectAction(i18n("Bibliography Back End"), this);
    m_bibliographyBackendAutodetectAction = m_bibliographyBackendSelectAction->addAction(i18n("Auto-Detect"));
    m_bibliographyBackendAutodetectAction->setStatusTip(i18n("Auto-detect the bibliography back end from LaTeX output"));
    m_bibliographyBackendSelectAction->setChecked(false);

    ac->addAction("bibbackend_select", m_bibliographyBackendSelectAction);

    m_bibliographyBackendResetAutodetectedAction = new QAction(i18n("Reset Auto-Detected Back End"), this);
    m_bibliographyBackendResetAutodetectedAction->setEnabled(false);

    connect(m_bibliographyBackendSelectAction, SIGNAL(triggered(QAction*)), SLOT(bibliographyBackendSelectedByUser()));
    connect(m_bibliographyBackendResetAutodetectedAction, SIGNAL(triggered(bool)), SLOT(resetAutodetectedBibliographyBackend()));
    connect(m_bibliographyBackendAutodetectAction, SIGNAL(toggled(bool)),
            m_bibliographyBackendResetAutodetectedAction, SLOT(setEnabled(bool)));
}


void KileTool::Manager::bibliographyBackendSelectedByUser()
{
    LaTeXOutputHandler* h = m_ki->findCurrentLaTeXOutputHandler();
    QAction* currentBackendAction = m_bibliographyBackendSelectAction->currentAction();

    if (currentBackendAction == m_bibliographyBackendAutodetectAction) {
        h->setBibliographyBackendToolUserOverride(ToolConfigPair());
    }
    else {
        //here we do not need to check existence of tool
        h->setBibliographyBackendToolUserOverride(currentBackendAction->data().value<KileTool::ToolConfigPair>());
        h->setBibliographyBackendToolAutoDetected(ToolConfigPair());
    }
}

void KileTool::Manager::currentLaTeXOutputHandlerChanged(LaTeXOutputHandler* handler)
{
    if(!handler) {
        m_bibliographyBackendSelectAction->setEnabled(false);
        return;
    }

    m_bibliographyBackendSelectAction->setEnabled(true);

    if (!m_bibliographyBackendActionMap.empty()) {
        ToolConfigPair userOverrideBibBackend = handler->bibliographyBackendToolUserOverride();
        if(!userOverrideBibBackend.isValid()) {
            m_bibliographyBackendAutodetectAction->setChecked(true);
        }
        else {
            // here we have to check whether the action exists
            QMap<ToolConfigPair, QAction *>::const_iterator i = m_bibliographyBackendActionMap.constFind(userOverrideBibBackend);
            if (i != m_bibliographyBackendActionMap.constEnd()) {
                i.value()->setChecked(true);
            }
            else {
                // the user previously selected a bibtool backend which is (no longer) present - let's use autodetection;
                // this is done analogously in 'LaTeX::determineBibliographyBackend'
                m_bibliographyBackendAutodetectAction->setChecked(true);
            }
        }
    }
    else {
        m_bibliographyBackendAutodetectAction->setChecked(true);
    }
}

void KileTool::Manager::resetAutodetectedBibliographyBackend()
{
    LaTeXOutputHandler* h = m_ki->findCurrentLaTeXOutputHandler();
    if (h) {
        h->setBibliographyBackendToolAutoDetected(ToolConfigPair());
    }
}

