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

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

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

#include "hbwidgetloaderactions_p.h"

#include "hbwidgetloadersyntax_p.h"

#include "hbwidget_p.h"

#include "hbwidgetbase_p.h"

#include <QDebug>

/*

    \class HbWidgetLoaderActions

    \internal

    \proto

*/

/*!

    \internal

*/

HbWidgetLoaderActions::HbWidgetLoaderActions()

    : HbXmlLoaderBaseActions(), mWidget(0), mLayout(0)

{

}

/*!

    \internal

*/

HbWidgetLoaderActions::~HbWidgetLoaderActions()

{

}

#ifndef HB_BIN_CSS

/*!

    \internal

*/

bool HbWidgetLoaderActions::createAnchorLayout( const QString &widget, bool modify )

{

    Q_UNUSED( widget );

    Q_UNUSED( modify );

    HbAnchorLayout *layout = static_cast<HbAnchorLayout*>(mWidget->layout());

    if (!layout) {

        layout = new HbAnchorLayout();

        mWidget->setLayout(layout);

    } else {

        // Reset layout's state

        while (layout->count()) {

            layout->removeAt(0);

        }

        layout->removeAnchors();

        layout->removeMappings();

    }

    mLayout = layout;

    return true;

}

/*!

    \internal

*/

bool HbWidgetLoaderActions::addAnchorLayoutItem(

    const QString &src,

    const QString &srcId,

    Hb::Edge srcEdge, 

    const QString &dst,

    const QString &dstId,

    Hb::Edge dstEdge,

    const HbXmlLengthValue &minLength,

    const HbXmlLengthValue &prefLength,

    const HbXmlLengthValue &maxLength,

    QSizePolicy::Policy *policy, 

    HbAnchor::Direction *dir,

    const QString &anchorId )

{

    // widgetml is purely id based.

    Q_UNUSED(src); 

    Q_UNUSED(dst);

    HbAnchor* anchor = new HbAnchor( srcId, srcEdge, dstId, dstEdge );

        qreal minVal(0);

        if ( !toPixels(minLength, minVal) ) {

            delete anchor;

            return false;

        } else {

            anchor->setMinimumLength( minVal );

        }

    }

        qreal prefVal(0);

        if ( !toPixels(prefLength, prefVal) ) {

            delete anchor;

            return false;

        } else {

            // if the expression resulted a negative result, we must reverse the direction

                *dir = (*dir==HbAnchor::Positive) ? HbAnchor::Negative : HbAnchor::Positive;

            }

            anchor->setPreferredLength( qAbs(prefVal) );         

        }

    }

        qreal maxVal(0);

        if ( !toPixels(maxLength, maxVal) ) {

            delete anchor;

            return false;

        } else {

            anchor->setMaximumLength( maxVal );

        }

    }

    if ( policy ) {

        anchor->setSizePolicy( *policy );

    }

    if ( dir ) {

        anchor->setDirection( *dir );

    }

    if ( !anchorId.isEmpty() ) {

        anchor->setAnchorId( anchorId );

    }

    return mLayout->setAnchor( anchor );

}

#endif

/*

    \class HbWidgetLoaderMemoryActions

    \internal

    \proto

*/

/*!

    \internal

*/

HbWidgetLoaderMemoryActions::HbWidgetLoaderMemoryActions() : HbXmlLoaderAbstractActions(), mLayoutDef(0)

{

}

/*!

    \internal

*/

HbWidgetLoaderMemoryActions::~HbWidgetLoaderMemoryActions()

{

}

/*!

    \internal

*/

bool HbWidgetLoaderMemoryActions::createAnchorLayout( const QString &widget, bool modify )

{

    Q_UNUSED(widget);

    Q_UNUSED(modify);

    mLayoutDef->anchorItems.clear();

    return true;

}

/*!

    \internal

*/

bool HbWidgetLoaderMemoryActions::addAnchorLayoutItem(

    const QString &src,

    const QString &srcId,

    Hb::Edge srcEdge, 

    const QString &dst,

    const QString &dstId,

    Hb::Edge dstEdge,

    const HbXmlLengthValue &minLength,

    const HbXmlLengthValue &prefLength,

    const HbXmlLengthValue &maxLength,

    QSizePolicy::Policy *policy, 

    HbAnchor::Direction *dir,

    const QString &anchorId )

{

    // widgetml is purely id based.

    Q_UNUSED(src); 

    Q_UNUSED(dst);

    HbWidgetLoader::AnchorItem item(mLayoutDef->type);

    item.srcId = srcId;

    item.dstId = dstId;

    item.srcEdge = srcEdge;

    item.dstEdge = dstEdge;

    item.sizepolicy = policy ? *policy : -1;

    item.direction = dir ? *dir : -1;

    item.anchorId = anchorId;

    mLayoutDef->anchorItems.append(item);

    return true;

}