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#include "qscriptbreakpointsmodel_p.h"

#include "qscriptdebuggerjobschedulerinterface_p.h"

#include "qscriptdebuggercommandschedulerjob_p.h"

#include "qscriptdebuggercommandschedulerfrontend_p.h"

#include "private/qabstractitemmodel_p.h"

#include <QtCore/qpair.h>

#include <QtCore/qcoreapplication.h>

#include <QtGui/qicon.h>

#include <QtCore/qdebug.h>

QT_BEGIN_NAMESPACE

/*!

  \since 4.5

  \class QScriptBreakpointsModel

  \internal

*/

class QScriptBreakpointsModelPrivate

    : public QAbstractItemModelPrivate

{

    Q_DECLARE_PUBLIC(QScriptBreakpointsModel)

public:

    QScriptBreakpointsModelPrivate();

    ~QScriptBreakpointsModelPrivate();

    QScriptDebuggerJobSchedulerInterface *jobScheduler;

    QScriptDebuggerCommandSchedulerInterface *commandScheduler;

    QList<QPair<int, QScriptBreakpointData> > breakpoints;

};

QScriptBreakpointsModelPrivate::QScriptBreakpointsModelPrivate()

{

}

QScriptBreakpointsModelPrivate::~QScriptBreakpointsModelPrivate()

{

}

QScriptBreakpointsModel::QScriptBreakpointsModel(

    QScriptDebuggerJobSchedulerInterface *jobScheduler,

    QScriptDebuggerCommandSchedulerInterface *commandScheduler,

    QObject *parent)

    : QAbstractItemModel(*new QScriptBreakpointsModelPrivate, parent)

{

    Q_D(QScriptBreakpointsModel);

    d->jobScheduler = jobScheduler;

    d->commandScheduler = commandScheduler;

}

QScriptBreakpointsModel::~QScriptBreakpointsModel()

{

}

namespace

{

class SetBreakpointJob : public QScriptDebuggerCommandSchedulerJob

{

public:

    SetBreakpointJob(const QScriptBreakpointData &data,

                     QScriptDebuggerCommandSchedulerInterface *scheduler)

        : QScriptDebuggerCommandSchedulerJob(scheduler),

          m_data(data)

    { }

    void start()

    {

        QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);

        frontend.scheduleSetBreakpoint(m_data);

    }

    void handleResponse(const QScriptDebuggerResponse &, int)

    {

        finish();

    }

private:

    QScriptBreakpointData m_data;

};

} // namespace

/*!

  Sets a breakpoint defined by the given \a data.

  A new row will be inserted into the model if the breakpoint could be

  successfully set.

*/

void QScriptBreakpointsModel::setBreakpoint(const QScriptBreakpointData &data)

{

    Q_D(QScriptBreakpointsModel);

    QScriptDebuggerJob *job = new SetBreakpointJob(data, d->commandScheduler);

    d->jobScheduler->scheduleJob(job);

}

namespace

{

class SetBreakpointDataJob : public QScriptDebuggerCommandSchedulerJob

{

public:

    SetBreakpointDataJob(int id, const QScriptBreakpointData &data,

                         QScriptDebuggerCommandSchedulerInterface *scheduler)

        : QScriptDebuggerCommandSchedulerJob(scheduler),

          m_id(id), m_data(data)

    { }

    void start()

    {

        QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);

        frontend.scheduleSetBreakpointData(m_id, m_data);

    }

    void handleResponse(const QScriptDebuggerResponse &, int)

    {

        finish();

    }

private:

    int m_id;

    QScriptBreakpointData m_data;

};

} // namespace

/*!

  Sets the \a data associated with the breakpoint identified by \a id.

  A dataChanged() signal will be emitted if the breakpoint data could

  be successfully changed.

*/

void QScriptBreakpointsModel::setBreakpointData(int id, const QScriptBreakpointData &data)

{

    Q_D(QScriptBreakpointsModel);

    QScriptDebuggerJob *job = new SetBreakpointDataJob(id, data, d->commandScheduler);

    d->jobScheduler->scheduleJob(job);

}

namespace

{

class DeleteBreakpointJob : public QScriptDebuggerCommandSchedulerJob

{

public:

    DeleteBreakpointJob(int id, QScriptDebuggerCommandSchedulerInterface *scheduler)

        : QScriptDebuggerCommandSchedulerJob(scheduler),

          m_id(id)

    { }

    void start()

    {

        QScriptDebuggerCommandSchedulerFrontend frontend(commandScheduler(), this);

        frontend.scheduleDeleteBreakpoint(m_id);

    }

    void handleResponse(const QScriptDebuggerResponse &, int)

    {

        finish();

    }

private:

    int m_id;

};

} // namespace

/*!

  Deletes the breakpoint with the given \a id.

  The corresponding row in the model will be removed if the breakpoint

  was successfully deleted.

*/

void QScriptBreakpointsModel::deleteBreakpoint(int id)

{

    Q_D(QScriptBreakpointsModel);

    QScriptDebuggerJob *job = new DeleteBreakpointJob(id, d->commandScheduler);

    d->jobScheduler->scheduleJob(job);

}

/*!

  Adds a breakpoint to the model. This function does not actually set

  a breakpoint (i.e. it doesn't communicate with the debugger).

*/

void QScriptBreakpointsModel::addBreakpoint(int id, const QScriptBreakpointData &data)

{

    Q_D(QScriptBreakpointsModel);

    int rowIndex = d->breakpoints.size();

    beginInsertRows(QModelIndex(), rowIndex, rowIndex);

    d->breakpoints.append(qMakePair(id, data));

    endInsertRows();

}

/*!

  Modify the \a data of breakpoint \a id.

*/

void QScriptBreakpointsModel::modifyBreakpoint(int id, const QScriptBreakpointData &data)

{

    Q_D(QScriptBreakpointsModel);

    for (int i = 0; i < d->breakpoints.size(); ++i) {

        if (d->breakpoints.at(i).first == id) {

            d->breakpoints[i] = qMakePair(id, data);

            emit dataChanged(createIndex(i, 0), createIndex(i, columnCount()-1));

            break;

        }

    }

}

/*!

  Remove the breakpoint identified by \a id from the model. This

  function does not delete the breakpoint (i.e. it doesn't communicate

  with the debugger).

*/

void QScriptBreakpointsModel::removeBreakpoint(int id)

{

    Q_D(QScriptBreakpointsModel);

    for (int i = 0; i < d->breakpoints.size(); ++i) {

        if (d->breakpoints.at(i).first == id) {

            beginRemoveRows(QModelIndex(), i, i);

            d->breakpoints.removeAt(i);

            endRemoveRows();

            break;

        }

    }

}

/*!

  Returns the id of the breakpoint at the given \a row.

*/

int QScriptBreakpointsModel::breakpointIdAt(int row) const

{

    Q_D(const QScriptBreakpointsModel);

    return d->breakpoints.at(row).first;

}

/*!

  Returns the data for the breakpoint at the given \a row.

*/

QScriptBreakpointData QScriptBreakpointsModel::breakpointDataAt(int row) const

{

    Q_D(const QScriptBreakpointsModel);

    return d->breakpoints.at(row).second;

}

QScriptBreakpointData QScriptBreakpointsModel::breakpointData(int id) const

{

    Q_D(const QScriptBreakpointsModel);

    for (int i = 0; i < d->breakpoints.size(); ++i) {

        if (d->breakpoints.at(i).first == id)

            return d->breakpoints.at(i).second;

    }

    return QScriptBreakpointData();

}

/*!

  Tries to find a breakpoint with the given \a scriptId and \a

  lineNumber. Returns the id of the first breakpoint that matches, or

  -1 if no such breakpoint is found.

*/

int QScriptBreakpointsModel::resolveBreakpoint(qint64 scriptId, int lineNumber) const

{

    Q_D(const QScriptBreakpointsModel);

    for (int i = 0; i < d->breakpoints.size(); ++i) {

        if ((d->breakpoints.at(i).second.scriptId() == scriptId)

            && (d->breakpoints.at(i).second.lineNumber() == lineNumber)) {

            return d->breakpoints.at(i).first;

        }

    }

    return -1;

}

int QScriptBreakpointsModel::resolveBreakpoint(const QString &fileName, int lineNumber) const

{

    Q_D(const QScriptBreakpointsModel);

    for (int i = 0; i < d->breakpoints.size(); ++i) {

        if ((d->breakpoints.at(i).second.fileName() == fileName)

            && (d->breakpoints.at(i).second.lineNumber() == lineNumber)) {

            return d->breakpoints.at(i).first;

        }

    }

    return -1;

}

/*!

  \reimp

*/

QModelIndex QScriptBreakpointsModel::index(int row, int column, const QModelIndex &parent) const

{

    Q_D(const QScriptBreakpointsModel);

    if (parent.isValid())

        return QModelIndex();

    if ((row < 0) || (row >= d->breakpoints.size()))

        return QModelIndex();

    if ((column < 0) || (column >= columnCount()))

        return QModelIndex();

    return createIndex(row, column);

}

/*!

  \reimp

*/

QModelIndex QScriptBreakpointsModel::parent(const QModelIndex &) const

{

    return QModelIndex();

}

/*!

  \reimp

*/

int QScriptBreakpointsModel::columnCount(const QModelIndex &parent) const

{

    if (!parent.isValid())

        return 6;

    return 0;

}

/*!

  \reimp

*/

int QScriptBreakpointsModel::rowCount(const QModelIndex &parent) const

{

    Q_D(const QScriptBreakpointsModel);

    if (!parent.isValid())

        return d->breakpoints.size();

    return 0;

}

/*!

  \reimp

*/

QVariant QScriptBreakpointsModel::data(const QModelIndex &index, int role) const

{

    Q_D(const QScriptBreakpointsModel);

    if (!index.isValid() || (index.row() >= d->breakpoints.size()))

        return QVariant();

    const QPair<int, QScriptBreakpointData> &item = d->breakpoints.at(index.row());

    if (role == Qt::DisplayRole) {

        if (index.column() == 0)

            return item.first;

        else if (index.column() == 1) {

            QString loc = item.second.fileName();

            if (loc.isEmpty())

                loc = QString::fromLatin1("<anonymous script, id=%0>").arg(item.second.scriptId());

            loc.append(QString::fromLatin1(":%0").arg(item.second.lineNumber()));

            return loc;

        } else if (index.column() == 2) {

            if (!item.second.condition().isEmpty())

                return item.second.condition();

        } else if (index.column() == 3) {

            if (item.second.ignoreCount() != 0)

                return item.second.ignoreCount();

        } else if (index.column() == 5) {

            return item.second.hitCount();

        }

    } else if (role == Qt::CheckStateRole) {

        if (index.column() == 0) {

            return item.second.isEnabled() ? Qt::Checked : Qt::Unchecked;

        } else if (index.column() == 4) {

            return item.second.isSingleShot() ? Qt::Checked : Qt::Unchecked;

        }

    } else if (role == Qt::EditRole) {

        if (index.column() == 2)

            return item.second.condition();

        else if (index.column() == 3)

            return item.second.ignoreCount();

    }

    return QVariant();

}

/*!

  \reimp

*/

bool QScriptBreakpointsModel::setData(const QModelIndex &index, const QVariant &value, int role)

{

    Q_D(QScriptBreakpointsModel);

    if (!index.isValid() || (index.row() >= d->breakpoints.size()))

        return false;

    const QPair<int, QScriptBreakpointData> &item = d->breakpoints.at(index.row());

    QScriptBreakpointData modifiedData;

    int col = index.column();

    if ((col == 0) || (col == 4)) {

        if (role == Qt::CheckStateRole) {

            modifiedData = item.second;

            if (col == 0)

                modifiedData.setEnabled(value.toInt() == Qt::Checked);

            else

                modifiedData.setSingleShot(value.toInt() == Qt::Checked);

        }

    } else if (col == 2) {

        if (role == Qt::EditRole) {

            modifiedData = item.second;

            modifiedData.setCondition(value.toString());

        }

    } else if (col == 3) {

        if (role == Qt::EditRole) {

            modifiedData = item.second;

            modifiedData.setIgnoreCount(value.toInt());

        }

    }

    if (!modifiedData.isValid())

        return false;

    QScriptDebuggerJob *job = new SetBreakpointDataJob(item.first, modifiedData, d->commandScheduler);

    d->jobScheduler->scheduleJob(job);

    return true;

}

/*!

  \reimp

*/

QVariant QScriptBreakpointsModel::headerData(int section, Qt::Orientation orient, int role) const

{

    if (orient == Qt::Horizontal) {

        if (role == Qt::DisplayRole) {

            if (section == 0)

                return QCoreApplication::translate("QScriptBreakpointsModel", "ID");

            else if (section == 1)

                return QCoreApplication::translate("QScriptBreakpointsModel", "Location");

            else if (section == 2)

                return QCoreApplication::translate("QScriptBreakpointsModel", "Condition");

            else if (section == 3)

                return QCoreApplication::translate("QScriptBreakpointsModel", "Ignore-count");

            else if (section == 4)

                return QCoreApplication::translate("QScriptBreakpointsModel", "Single-shot");

            else if (section == 5)

                return QCoreApplication::translate("QScriptBreakpointsModel", "Hit-count");

        }

    }

    return QVariant();

}

/*!

  \reimp

*/

Qt::ItemFlags QScriptBreakpointsModel::flags(const QModelIndex &index) const

{

    if (!index.isValid())

        return 0;

    Qt::ItemFlags ret = Qt::ItemIsEnabled | Qt::ItemIsSelectable;

    switch (index.column()) {

    case 0:

        ret |= Qt::ItemIsUserCheckable;

        break;

    case 1:

        break;

    case 2:

        ret |= Qt::ItemIsEditable;

        break;

    case 3:

        ret |= Qt::ItemIsEditable;

        break;

    case 4:

        ret |= Qt::ItemIsUserCheckable;

        break;

    }

    return ret;

}

QT_END_NAMESPACE