/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Class for handling the attachment list

*

*/

#include "nmuiheaders.h"

/*!

	\class NmAttachmentList

	\brief Class for handling the attachment list

*/

/*!

    Constructor

*/

NmAttachmentList::NmAttachmentList(NmAttachmentListWidget *listWidget)

: mListWidget(listWidget)

{

    updateLayout();

}

/*!

    Destructor

*/

NmAttachmentList::~NmAttachmentList()

{ 

    clearList();

}

/*!

    Insert new list item. Returns the count of the attachment in list

*/

int NmAttachmentList::insertAttachment(

    const QString &fullFileName,

    const QString &fileSize,

    const NmId &attachmentPartId)

{

    QString displayName = fullNameToDisplayName(fullFileName);

    mFullFileName.append(fullFileName);

    mDisplayFileName.append(displayName);

    mAttachmentPartId.append(attachmentPartId);

    mFileSize.append(fileSize);

    mListWidget->insertAttachment(count() - 1, displayName, createSizeString(fileSize));

    updateLayout();

    return count() - 1;

}

/*!

    Set attachmentPartId of the list item. Because there can be several attachments with

    same filename, function will search the one which nmid is not set.

*/

void NmAttachmentList::setAttachmentPartId(const QString fullFileName, const NmId &attachmentPartId)

{

    for (int i=0; i<count(); ++i) {

        if (mFullFileName.at(i) == fullFileName && mAttachmentPartId.at(i).id() == 0) {

            mAttachmentPartId.replace(i, attachmentPartId);

        }

    }

}

/*!

    Set fileSize of the attachment.

*/

void NmAttachmentList::setAttachmentSize(const NmId &attachmentPartId, const QString &size)

{

    for (int i=0; i<count(); ++i) {

        if (mAttachmentPartId.at(i) == attachmentPartId) {

            mFileSize.replace(i, size);

        }

    }

}

/*!

    Remove attachment from list position

*/

void NmAttachmentList::removeAttachment(int arrayIndex)

{

    if (arrayIndex < count()) {

        // Remove UI

        mListWidget->removeAttachment(arrayIndex);

        // Remove from data structure

        mFullFileName.removeAt(arrayIndex);

        mDisplayFileName.removeAt(arrayIndex);

        mAttachmentPartId.removeAt(arrayIndex);

        updateLayout();

    }

}

/*!

    Remove attachment which have same fullFileName from list

*/

void NmAttachmentList::removeAttachment(const QString &fullFileName)

{

    for (int i=0; i<count(); ++i) {

        if (mFullFileName.at(i) == fullFileName) {

            removeAttachment(i);

        }

    }

}

/*!

    Remove attachment which have same attachmentPartId from list

*/

void NmAttachmentList::removeAttachment(const NmId &attachmentPartId)

{

    for (int i=0; i<count(); ++i) {

        if (mAttachmentPartId.at(i) == attachmentPartId) {

            removeAttachment(i);

        }

    }

}

/*!

    Clear attachment list from UI and from data structure

*/

void NmAttachmentList::clearList()

{

    for (int i=count()-1; i>=0; --i) {

        // Remove from UI

        mListWidget->removeAttachment(i);

        // Remove from data structure

        mFullFileName.removeAt(i);

        mDisplayFileName.removeAt(i);

        mAttachmentPartId.removeAt(i);

        updateLayout();

    }

}

/*!

    Return attachment list widget

*/

NmAttachmentListWidget* NmAttachmentList::listWidget()

{

    return mListWidget;

}

/*!

    Return attachment count

*/

int NmAttachmentList::count()

{

    return mFullFileName.count();

}

/*!

    Return attachment part id

*/

NmId NmAttachmentList::nmIdByIndex(int listIndex)

{

    return mAttachmentPartId.at(listIndex);

}

/*!

    Return array index of attachment

*/

int NmAttachmentList::indexByNmId(const NmId &id)

{

    for (int i=0; i<count(); ++i) {

        if (mAttachmentPartId.at(i) == id) {

            return i;

        }

    }

    return -1;

}

/*!

    Remove file path from full filename

*/

QString NmAttachmentList::fullNameToDisplayName(const QString &fullName)

{

    return fullName.section('\\', -1);

}

/*!

    Create string for showing the size information

*/

QString NmAttachmentList::createSizeString(const QString &sizeInBytes)

{

    double sizeMb = sizeInBytes.toDouble() / 1000000;

    if (sizeMb < 0.1) {

        // 0.1 Mb is the minimum size shown for attachment

        sizeMb = 0.1;

    }

    return QString().sprintf("(%.1f Mb)", sizeMb); // Use loc string when available

}

/*!

    Update the list layout height

*/

void NmAttachmentList::updateLayout()

{

    // Fix this when progress bar is used

    mListWidget->setMaximumHeight(count() * 29); 

    QTimer::singleShot(1, this, SLOT(delayedLayoutChangeInfo()));

}

/*!

    Send delayed signal about attachment list layout change

*/

void NmAttachmentList::delayedLayoutChangeInfo()

{

    emit attachmentListLayoutChanged();

}