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****************************************************************************/

#include "qdesigner_membersheet_p.h"

#include <QtDesigner/QDesignerFormEditorInterface>

#include <abstractintrospection_p.h>

#include <QtGui/QWidget>

namespace {

class Qt3Members

  {

  public:

      static Qt3Members *instance();

      QMap<QString, QStringList> getSignals() const { return m_classNameToSignals; }

      QMap<QString, QStringList> getSlots() const { return m_classNameToSlots; }

  private:

      Qt3Members();

      static Qt3Members *m_instance;

      QMap<QString, QStringList> m_classNameToSignals;

      QMap<QString, QStringList> m_classNameToSlots;

  };

Qt3Members *Qt3Members::m_instance = 0;

Qt3Members::Qt3Members()

{

    m_classNameToSignals[QLatin1String("QTextEdit")].append(QLatin1String("currentFontChanged(QFont)"));

    m_classNameToSignals[QLatin1String("QTextEdit")].append(QLatin1String("currentColorChanged(QColor)"));

    m_classNameToSignals[QLatin1String("QTabWidget")].append(QLatin1String("currentChanged(QWidget*)"));

    m_classNameToSignals[QLatin1String("QTabWidget")].append(QLatin1String("selected(QString)"));

    m_classNameToSignals[QLatin1String("QTabBar")].append(QLatin1String("selected(int)"));

    m_classNameToSignals[QLatin1String("QMenuBar")].append(QLatin1String("activated(int)"));

    m_classNameToSignals[QLatin1String("QMenuBar")].append(QLatin1String("highlighted(int)"));

    m_classNameToSignals[QLatin1String("QMenu")].append(QLatin1String("activated(int)"));

    m_classNameToSignals[QLatin1String("QMenu")].append(QLatin1String("highlighted(int)"));

    m_classNameToSignals[QLatin1String("QLineEdit")].append(QLatin1String("lostFocus()"));

    m_classNameToSignals[QLatin1String("QDial")].append(QLatin1String("dialPressed()"));

    m_classNameToSignals[QLatin1String("QDial")].append(QLatin1String("dialMoved(int)"));

    m_classNameToSignals[QLatin1String("QDial")].append(QLatin1String("dialReleased()"));

    m_classNameToSignals[QLatin1String("QComboBox")].append(QLatin1String("textChanged(QString)"));

    m_classNameToSignals[QLatin1String("QActionGroup")].append(QLatin1String("selected(QAction*)"));

    m_classNameToSignals[QLatin1String("QAction")].append(QLatin1String("activated(int)"));

    m_classNameToSignals[QLatin1String("QAbstractSocket")].append(QLatin1String("connectionClosed()"));

    m_classNameToSignals[QLatin1String("QAbstractSocket")].append(QLatin1String("delayedCloseFinished()"));

    m_classNameToSlots[QLatin1String("QWidget")].append(QLatin1String("setShown(bool)"));

    m_classNameToSlots[QLatin1String("QToolButton")].append(QLatin1String("setTextPosition(QToolButton::TextPosition)"));

    m_classNameToSlots[QLatin1String("QToolButton")].append(QLatin1String("setUsesBigPixmap(bool)"));

    m_classNameToSlots[QLatin1String("QToolButton")].append(QLatin1String("setUsesTextLabel(bool)"));

    m_classNameToSlots[QLatin1String("QTextEdit")].append(QLatin1String("setModified(bool)"));

    m_classNameToSlots[QLatin1String("QTextEdit")].append(QLatin1String("setColor(QColor)"));

    m_classNameToSlots[QLatin1String("QTabWidget")].append(QLatin1String("setCurrentPage(int)"));

    m_classNameToSlots[QLatin1String("QTabWidget")].append(QLatin1String("showPage(QWidget*)"));

    m_classNameToSlots[QLatin1String("QTabWidget")].append(QLatin1String("removePage(QWidget*)"));

    m_classNameToSlots[QLatin1String("QTabBar")].append(QLatin1String("setCurrentTab(int)"));

    m_classNameToSlots[QLatin1String("QStatusBar")].append(QLatin1String("message(QString,int)"));

    m_classNameToSlots[QLatin1String("QStatusBar")].append(QLatin1String("clear()"));

    m_classNameToSlots[QLatin1String("QSplashScreen")].append(QLatin1String("message(QString,int)"));

    m_classNameToSlots[QLatin1String("QSplashScreen")].append(QLatin1String("clear()"));

    m_classNameToSlots[QLatin1String("QSlider")].append(QLatin1String("addStep()"));

    m_classNameToSlots[QLatin1String("QSlider")].append(QLatin1String("subtractStep()"));

    m_classNameToSlots[QLatin1String("QAbstractButton")].append(QLatin1String("setOn(bool)"));

    m_classNameToSlots[QLatin1String("QAction")].append(QLatin1String("setOn(bool)"));

    m_classNameToSlots[QLatin1String("QErrorMessage")].append(QLatin1String("message(QString)"));

    m_classNameToSlots[QLatin1String("QTimer")].append(QLatin1String("changeInterval(int)"));

    m_classNameToSlots[QLatin1String("QTimer")].append(QLatin1String("start(int,bool)"));

}

Qt3Members *Qt3Members::instance()

{

    if (!m_instance)

        m_instance = new Qt3Members();

    return m_instance;

}

}

QT_BEGIN_NAMESPACE

static QList<QByteArray> stringListToByteArray(const QStringList &l)

{

    if (l.empty())

        return QList<QByteArray>();

    QList<QByteArray> rc;

    const QStringList::const_iterator cend = l.constEnd();

    for (QStringList::const_iterator it = l.constBegin(); it != cend; ++it)

        rc += it->toUtf8();

    return rc;

}

// Find the form editor in the hierarchy.

// We know that the parent of the sheet is the extension manager

// whose parent is the core.

static QDesignerFormEditorInterface *formEditorForObject(QObject *o) {

    do {

        if (QDesignerFormEditorInterface* core = qobject_cast<QDesignerFormEditorInterface*>(o))

            return core;

        o = o->parent();

    } while(o);

    Q_ASSERT(o);

    return 0;

}

// ------------ QDesignerMemberSheetPrivate

class QDesignerMemberSheetPrivate {

public:

    explicit QDesignerMemberSheetPrivate(QObject *object, QObject *sheetParent);

    QDesignerFormEditorInterface *m_core;

    const QDesignerMetaObjectInterface *m_meta;

    class Info {

    public:

        inline Info() : visible(true) {}

        QString group;

        bool visible;

    };

    typedef QHash<int, Info> InfoHash;

    Info &ensureInfo(int index);

    InfoHash m_info;

};

QDesignerMemberSheetPrivate::QDesignerMemberSheetPrivate(QObject *object, QObject *sheetParent) :

    m_core(formEditorForObject(sheetParent)),

    m_meta(m_core->introspection()->metaObject(object))

{

}

QDesignerMemberSheetPrivate::Info &QDesignerMemberSheetPrivate::ensureInfo(int index)

{

    InfoHash::iterator it = m_info.find(index);

    if (it == m_info.end()) {

        it = m_info.insert(index, Info());

    }

    return it.value();

}

// --------- QDesignerMemberSheet

QDesignerMemberSheet::QDesignerMemberSheet(QObject *object, QObject *parent) :

    QObject(parent),

    d(new QDesignerMemberSheetPrivate(object, parent))

{

}

QDesignerMemberSheet::~QDesignerMemberSheet()

{

    delete d;

}

int QDesignerMemberSheet::count() const

{

    return d->m_meta->methodCount();

}

int QDesignerMemberSheet::indexOf(const QString &name) const

{

    return d->m_meta->indexOfMethod(name);

}

QString QDesignerMemberSheet::memberName(int index) const

{

    return d->m_meta->method(index)->tag();

}

QString QDesignerMemberSheet::declaredInClass(int index) const

{

    const QString member = d->m_meta->method(index)->signature();

    // Find class whose superclass does not contain the method.

    const QDesignerMetaObjectInterface *meta_obj = d->m_meta;

    for (;;) {

        const QDesignerMetaObjectInterface *tmp = meta_obj->superClass();

        if (tmp == 0)

            break;

        if (tmp->indexOfMethod(member) == -1)

            break;

        meta_obj = tmp;

    }

    return meta_obj->className();

}

QString QDesignerMemberSheet::memberGroup(int index) const

{

    return d->m_info.value(index).group;

}

void QDesignerMemberSheet::setMemberGroup(int index, const QString &group)

{

    d->ensureInfo(index).group = group;

}

QString QDesignerMemberSheet::signature(int index) const

{

    return d->m_meta->method(index)->normalizedSignature();

}

bool QDesignerMemberSheet::isVisible(int index) const

{

    typedef QDesignerMemberSheetPrivate::InfoHash InfoHash;

    const InfoHash::const_iterator it = d->m_info.constFind(index);

    if (it != d->m_info.constEnd())

        return it.value().visible;

   return d->m_meta->method(index)->methodType() == QDesignerMetaMethodInterface::Signal

           || d->m_meta->method(index)->access() == QDesignerMetaMethodInterface::Public;

}

void QDesignerMemberSheet::setVisible(int index, bool visible)

{

    d->ensureInfo(index).visible = visible;

}

bool QDesignerMemberSheet::isSignal(int index) const

{

    return d->m_meta->method(index)->methodType() == QDesignerMetaMethodInterface::Signal;

}

bool QDesignerMemberSheet::isSlot(int index) const

{

    return d->m_meta->method(index)->methodType() == QDesignerMetaMethodInterface::Slot;

}

bool QDesignerMemberSheet::inheritedFromWidget(int index) const

{

    const QString name = d->m_meta->method(index)->signature();

    return declaredInClass(index) == QLatin1String("QWidget") || declaredInClass(index) == QLatin1String("QObject");

}

QList<QByteArray> QDesignerMemberSheet::parameterTypes(int index) const

{

    return stringListToByteArray(d->m_meta->method(index)->parameterTypes());

}

QList<QByteArray> QDesignerMemberSheet::parameterNames(int index) const

{

    return stringListToByteArray(d->m_meta->method(index)->parameterNames());

}

bool QDesignerMemberSheet::signalMatchesSlot(const QString &signal, const QString &slot)

{

    bool result = true;

    do {

        int signal_idx = signal.indexOf(QLatin1Char('('));

        int slot_idx = slot.indexOf(QLatin1Char('('));

        if (signal_idx == -1 || slot_idx == -1)

            break;

        ++signal_idx; ++slot_idx;

        if (slot.at(slot_idx) == QLatin1Char(')'))

            break;

        while (signal_idx < signal.size() && slot_idx < slot.size()) {

            const QChar signal_c = signal.at(signal_idx);

            const QChar slot_c = slot.at(slot_idx);

            if (signal_c == QLatin1Char(',') && slot_c == QLatin1Char(')'))

                break;

            if (signal_c == QLatin1Char(')') && slot_c == QLatin1Char(')'))

                break;

            if (signal_c != slot_c) {

                result = false;

                break;

            }

            ++signal_idx; ++slot_idx;

        }

    } while (false);

    return result;

}

bool QDesignerMemberSheet::isQt3Signal(int index) const

{

    if (!isSignal(index))

        return false;

    const QString className = declaredInClass(index);

    const QString signalSignature = signature(index);

    QMap<QString, QStringList> qt3signals = Qt3Members::instance()->getSignals();

    QMap<QString, QStringList>::const_iterator it = qt3signals.constFind(className);

    if (it != qt3signals.constEnd() && (*it).contains(signalSignature))

        return true;

    return false;

}

bool QDesignerMemberSheet::isQt3Slot(int index) const

{

    if (!isSlot(index))

        return false;

    const QString className = declaredInClass(index);

    const QString slotSignature = signature(index);

    QMap<QString, QStringList> qt3slots = Qt3Members::instance()->getSlots();

    QMap<QString, QStringList>::const_iterator it = qt3slots.constFind(className);

    if (it != qt3slots.constEnd() && (*it).contains(slotSignature))

        return true;

    return false;

}

// ------------ QDesignerMemberSheetFactory

QDesignerMemberSheetFactory::QDesignerMemberSheetFactory(QExtensionManager *parent)

    : QExtensionFactory(parent)

{

}

QObject *QDesignerMemberSheetFactory::createExtension(QObject *object, const QString &iid, QObject *parent) const

{

    if (iid == Q_TYPEID(QDesignerMemberSheetExtension)) {

        return new QDesignerMemberSheet(object, parent);

    }

    return 0;

}

QT_END_NAMESPACE