/*

* 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: Customized list view item to display autofill items on list. 

*

*/

#include "nmailuiwidgetsheaders.h"

static const QString NmAutoFillListViewDisplayName("AutoFillListViewDisplayName");

static const QString NmAutoFillListViewAddress("AutoFillListViewAddress");

static const QString NmAutoFillListViewItemUnderLineStart("<U>");

static const QString NmAutoFillListViewItemUnderLineEnd("</U>");

/*!

    \class NmAutoFillListViewItem

    \brief List view items for autofill items. 

    Customized list view item to display autofill items on list. 

*/

/*!

    Constructor of NmAutoFillListViewItem.

    Calls constructUi function and sets stretching to landscape mode. 

*/

NmAutoFillListViewItem::NmAutoFillListViewItem(QGraphicsItem *parent)

: HbListViewItem(parent), mDisplayName(NULL), mAddress(NULL)

{

    NM_FUNCTION;   

}

/*!

    Destructor of NmAutoFillListViewItem.

*/

NmAutoFillListViewItem::~NmAutoFillListViewItem()

{

}

/*!

    Item creation. Overwrites HbListViewItem funtion.

    \return A newly created NmAutoFillListViewItem. 

*/

HbListViewItem* NmAutoFillListViewItem::createItem()

{

    NM_FUNCTION;

    return new NmAutoFillListViewItem(*this);

}

/*!

    Update child items. Overwrites HbListViewItem funtion.

    The data is fetched from the model by using current model index and displayed.     

*/

void NmAutoFillListViewItem::updateChildItems()

{

    NM_FUNCTION;

    QString displayText;

    QString addressText;

    //Get data from model

    //check if QVariant is ok for this item etc.

    NmContactHistoryModelItem item =

            modelIndex().data(Qt::DisplayRole).value<NmContactHistoryModelItem>();

    if (item.subItemCount()) {

        QList<NmContactHistoryModelSubItem> itemlist = item.subEntries();

        //Check if both displayname and address is found. 

        if(itemlist.count() == 2) {

            displayText.append(setHtmlUnderLine(itemlist[0]));

            addressText.append(setHtmlUnderLine(itemlist[1]));

        //If only 1 item is found. It will be set to position of displayname. 

        } else if(itemlist.count() == 1) {

            displayText.append(setHtmlUnderLine(itemlist[0]));

        }

    } else {

        //Items not found. There is no point to continue. 

        return;

    }

    if (!mDisplayName) {

        mDisplayName = new HbRichTextItem(this);

        mDisplayName->setObjectName(NmAutoFillListViewDisplayName);

        HbStyle::setItemName(mDisplayName, NmAutoFillListViewDisplayName);

    }

    mDisplayName->setText(displayText);

    if (!mAddress){

        mAddress = new HbRichTextItem(this);

        mAddress->setObjectName(NmAutoFillListViewAddress);

        HbStyle::setItemName(mAddress, NmAutoFillListViewAddress);

    }

    mAddress->setText(addressText);

    HbListViewItem::updateChildItems();

}

/*!    

    Model index can be set. Overwrites HbListViewItem funtion.

    Enables set of all model indexes.  

    \param index The model index. 

    \return always true. 

*/

bool NmAutoFillListViewItem::canSetModelIndex(const QModelIndex &index)

{

    NM_FUNCTION;

    Q_UNUSED(index);

    return true;

}

/*!

    Private helper class to set html underline tags. 

    \param subItem Reference to subitem to do underlining. 

    \return QString underlined by html tags. 

 */

QString NmAutoFillListViewItem::setHtmlUnderLine(const NmContactHistoryModelSubItem &subItem)

{

    NM_FUNCTION;

    QString ret;

    bool odd(false);

    int index_corrector(0);

    QList<int> matching = subItem.mMatchingRanges;

    ret.append(subItem.mItemText);

    //Check that there is even count of matching range indexes.

    if ((matching.count() % 2) == 0) {

        foreach(int index, matching) {

            //Make sanity check for indexes. 

            if (index < subItem.mItemText.length() && index >= 0) {

                if (!odd) {

                    ret = ret.insert(index+index_corrector,NmAutoFillListViewItemUnderLineStart);

                    index_corrector += NmAutoFillListViewItemUnderLineStart.length();

                } else {

                    ret = ret.insert(index+1+index_corrector,NmAutoFillListViewItemUnderLineEnd);

                    index_corrector += NmAutoFillListViewItemUnderLineEnd.length();

                }

            } else {

                //Sanity check failed. No point to continue. 

                break; 

            }

            odd = odd ? false : true;

       }

    }

    return ret;

}