* Description:Custom widget derived from HbTextEdit which provides rich text

 *              processing

#include <QGraphicsSceneMouseEvent>

#include <HbAction>

#include <HbFrameItem>

#include <QTextBlock>

#include <QApplication>

#include <QClipBoard>

#include <xqservicerequest.h>

#include <xqappmgr.h>

#include <cntservicescontact.h>

#include <qtcontacts.h>

#include <XQServiceRequest.h>

#include <xqaiwrequest.h>

#include "msgcontacthandler.h"

const QString SPACE(" ");

//localization

#define LOC_OPEN_CONTACT_INFO hbTrId("txt_messaging_menu_open_contact_info")

#define LOC_CALL              hbTrId("txt_common_menu_call_verb")

#define LOC_SEND_MESSAGE      hbTrId("txt_common_menu_send_message")

#define LOC_SAVE_TO_CONTACTS  hbTrId("txt_common_menu_save_to_contacts")

#define LOC_COPY              hbTrId("txt_common_menu_copy")

const QString BG_FRAME_GRAPHICS("qtg_fr_lineedit_normal");

//---------------------------------------------------------------

//---------------------------------------------------------------

UniViewerAddressWidget::UniViewerAddressWidget(QGraphicsItem * parent) :

HbTextEdit(parent),

mCursorPos(-1)

    this->setReadOnly(true);

    this->setCursorVisibility(Hb::TextCursorHidden);

    this->setScrollable(false);

    HbFrameItem *noBackground = new HbFrameItem(this);

    this->setBackgroundItem(noBackground);

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    QFont font = fontSpec.font();

    this->setFont(font);

    mFormatNormal.setForeground(palette().link());

    mFormatNormal.setBackground(Qt::transparent);

    mFormatHighlight.setBackground(palette().highlight());

    mFormatHighlight.setForeground(palette().highlightedText());

    connect(this, SIGNAL(aboutToShowContextMenu(HbMenu*,QPointF)),

            this, SLOT(aboutToShowContextMenu(HbMenu*,QPointF)));

//---------------------------------------------------------------

//---------------------------------------------------------------

//---------------------------------------------------------------

//UniViewerAddressWidget :: mousePressEvent

// @see header file

//---------------------------------------------------------------

void UniViewerAddressWidget::mousePressEvent(QGraphicsSceneMouseEvent *event)

{

    HbTextEdit::mousePressEvent(event);

    QTextDocument* doc = this->document();

    mCursorPos = doc->documentLayout()->hitTest(event->pos(), Qt::ExactHit);

    highlightText(true);

}

//---------------------------------------------------------------

//UniViewerAddressWidget :: mouseReleaseEvent

// @see header file

//---------------------------------------------------------------

void UniViewerAddressWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)

{

    HbTextEdit::mouseReleaseEvent(event);

    highlightText(false);

    QString anchor = this->anchorAt(event->pos());

    if(!anchor.isEmpty() && !this->textCursor().hasSelection())

    {

        shortTapAction(anchor);

    }

}

    QString labelText = label;

    labelText.trimmed();

    labelText += SPACE;

    //Font.

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    qreal fontHeight = 0.0;

    style()->parameter("hb-param-text-height-tiny", fontHeight);

    fontSpec.setTextHeight(fontHeight);    

    QFont font = fontSpec.font();

    QTextCharFormat labelFormat;

    labelFormat.setFont(font);

    QTextCharFormat addressFormat;

    addressFormat.setForeground(palette().link());

    addressFormat.setFontUnderline(true);

    QTextCursor cursor(this->textCursor());

    cursor.insertText(labelText,labelFormat);

        int totalNumbers = 0;

        MsgContactHandler::resolveContactDisplayName(

                        address,

                        alias1,

                        totalNumbers);

        if (totalNumbers > 1)

    QString labelText = label;

    labelText.trimmed();

    labelText += SPACE;

    //Font.

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    qreal fontHeight = 0.0;

    style()->parameter("hb-param-text-height-tiny", fontHeight);

    fontSpec.setTextHeight(fontHeight);    

    QFont font = fontSpec.font();

    QTextCharFormat labelFormat;

    labelFormat.setFont(font);

    QTextCharFormat defaultFormat;

    defaultFormat.setForeground(palette().link());

    QTextCharFormat addressFormat;

    addressFormat.setForeground(palette().link());

    addressFormat.setFontUnderline(true);

    QTextCursor cursor(this->document());

    cursor.insertText(labelText,labelFormat);

            int totalNumbers = 0;

            MsgContactHandler::resolveContactDisplayName(

                            addressList[i]->address(),

                            alias,

                            totalNumbers);

            if (totalNumbers > 1)

    this->document()->clear();

}

//----------------------------------------------------------------------------

// UniViewerAddressWidget::menuClosed

// @see header file

//----------------------------------------------------------------------------

void UniViewerAddressWidget::menuClosed()

{

    highlightText(false);

// UniViewerAddressWidget::highlightText

void UniViewerAddressWidget::highlightText(bool highlight)

{

    QTextBlock textBlock = this->document()->findBlock(mCursorPos);

    QTextBlock::iterator it;

    for (it = textBlock.begin(); !(it.atEnd()); ++it)

    {

        QTextFragment currentFragment = it.fragment();

        if (currentFragment.isValid() && currentFragment.contains(mCursorPos)

            && currentFragment.charFormat().fontUnderline())

        {

            int start = currentFragment.position();

            int length = currentFragment.length();

            QTextCursor cursor = this->textCursor();

            cursor.clearSelection();

            cursor.setPosition(start);

            cursor.setPosition(start + length,QTextCursor::KeepAnchor);

            if(highlight)

            {

                cursor.mergeCharFormat(mFormatHighlight);

            }

            else

            {

                cursor.mergeCharFormat(mFormatNormal);

            }

            cursor.clearSelection();

            break;

        }

    }

}

void UniViewerAddressWidget::aboutToShowContextMenu(HbMenu *contextMenu, const QPointF &pos)

{

    //remove default actions.

    contextMenu->clearActions();

    // Check if there is an anchor at this pos

    QString  anchor = this->anchorAt(pos);

    if(!anchor.isEmpty() && !this->textCursor().hasSelection())

    {

        HbAction* action = NULL;

        action = contextMenu->addAction(LOC_OPEN_CONTACT_INFO, this, SLOT(openContactInfo()));

        action->setData(anchor);

        action = contextMenu->addAction(LOC_CALL, this, SLOT(call()));

        action->setData(anchor);

        action = contextMenu->addAction(LOC_SEND_MESSAGE, this, SLOT(sendMessage()));

        action->setData(anchor);

        action = contextMenu->addAction(LOC_SAVE_TO_CONTACTS, this, SLOT(saveToContacts()));

        action->setData(anchor);

        action = contextMenu->addAction(LOC_COPY, this, SLOT(copyToClipboard()));

        action->setData(anchor);

    }

    connect(contextMenu,SIGNAL(aboutToClose()),this,SLOT(menuClosed()));    

}

void UniViewerAddressWidget::shortTapAction(QString anchor)

{

    HbAction action;

    action.setData(anchor);

    connect(&action,SIGNAL(triggered()),this,SLOT(openContactInfo()));

    action.trigger();

}

void UniViewerAddressWidget::copyToClipboard()

{

    HbAction* action = qobject_cast<HbAction*>(sender());

    if(action)

    {

        QMimeData* data = new QMimeData();

        QString str = action->data().toString();

        data->setText(str);

        QApplication::clipboard()->setMimeData(data);

    }

}

void UniViewerAddressWidget::call()

    HbAction* action = qobject_cast<HbAction*>(sender());

    if(action)

    {

        QString phoneNumber = action->data().toString();

        //invoke dialer service and pass phoneNumber.        

        QString serviceName("com.nokia.services.telephony");

        QString operation("dial(QString)");

        XQServiceRequest* serviceRequest = new XQServiceRequest(serviceName,operation,false);

        connect(serviceRequest, SIGNAL(requestCompleted(QVariant)),

                this, SLOT(onServiceRequestCompleted()));

        connect(serviceRequest, SIGNAL(requestError(int)),

                this, SLOT(onServiceRequestCompleted()));

        *serviceRequest << phoneNumber;

        serviceRequest->send();

    }

}

void UniViewerAddressWidget::onServiceRequestCompleted()

    {

    //service request is now complete. delete it.    

    XQServiceRequest* request = qobject_cast<XQServiceRequest*>(sender());

    if(request)

        {

        delete request;

        }

    }

void UniViewerAddressWidget::openContactInfo()

{

    HbAction* action = qobject_cast<HbAction*>(sender());

    if(action)

    {

        QList<QVariant> args;

        QString operation;

        QString data = action->data().toString();        

        int contactId = MsgContactHandler::resolveContactDisplayName(

                data,

                QContactPhoneNumber::DefinitionName,

                QContactPhoneNumber::FieldNumber);

        if(contactId > 0)

        {

            //open contact card

            operation = QString("open(int)");

            args << contactId;

        }

        else

        {

            //save to contacts with phone number field prefilled.

            operation = QString("editCreateNew(QString,QString)");

            QString type = QContactPhoneNumber::DefinitionName;

            args << type;

            args << data;

        }

        //service stuff.

        QString serviceName("com.nokia.services.phonebookservices");

        XQAiwRequest* request;

        XQApplicationManager appManager;

        request = appManager.create(serviceName, "Fetch", operation, true); // embedded

        if ( request == NULL )

            {

            return;       

            }

        // Result handlers

        connect (request, SIGNAL(requestOk(const QVariant&)), 

            this, SLOT(handleOk(const QVariant&)));

        connect (request, SIGNAL(requestError(const QVariant&)), 

            this, SLOT(handleError(const QVariant&)));

        request->setArguments(args);

        request->send();

        delete request;

    }

}

void UniViewerAddressWidget::handleOk(const QVariant& result)

    {

    Q_UNUSED(result)

    }

void UniViewerAddressWidget::handleError(int errorCode, const QString& errorMessage)

    {

    Q_UNUSED(errorMessage)

    Q_UNUSED(errorCode)

    }

void UniViewerAddressWidget::saveToContacts()

{

    //handler for save to contacts.

}

void UniViewerAddressWidget::sendMessage()

{

    HbAction* action = qobject_cast<HbAction*>(sender());

    if(action)

    {

        QString phoneNumber = action->data().toString();

        QString alias;

        QTextBlock textBlock = this->document()->findBlock(mCursorPos);

        QTextBlock::iterator it;

        for (it = textBlock.begin(); !(it.atEnd()); ++it)

        {

            QTextFragment currentFragment = it.fragment();

            if (currentFragment.isValid() && currentFragment.contains(mCursorPos)

                && currentFragment.charFormat().fontUnderline())

            {

                QString txt = currentFragment.text();

                if(txt != phoneNumber)

                {

                    alias = txt;  

                }