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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0""
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Helper class by which a plugin can communicate with the associated dataform.
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*
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*/
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#include "cpitemdatahelper.h"
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#include <QList>
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#include <hbdataform.h>
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#include <hbdataformmodelitem.h>
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#include <hbdataformviewitem.h>
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#include <hbdataformmodel.h>
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/*!
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\internal
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*/
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class CpItemDataHelperPrivate
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{
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public:
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/*!
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\internal
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*/
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class ItemConnection
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{
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public:
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ItemConnection(HbDataFormModelItem *item,
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const char *signal,
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QObject *receiver,
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const char *method) :
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mItem(item),mSignal(signal),
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mReceiver(receiver),mMethod(method)
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{
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}
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bool operator == (const ItemConnection &other)
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{
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return mItem == other.mItem &&
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mSignal == other.mSignal &&
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mReceiver == other.mReceiver &&
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mMethod == other.mMethod;
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}
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HbDataFormModelItem *mItem;
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QString mSignal;
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QObject *mReceiver;
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QString mMethod;
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};
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class FormConnection
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{
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public:
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FormConnection(const char *signal,
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QObject *receiver,
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const char *method) :
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mSignal(signal),mReceiver(receiver),mMethod(method)
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{
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}
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bool operator == (const FormConnection &other)
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{
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return mSignal == other.mSignal &&
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mReceiver == other.mReceiver &&
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mMethod == other.mMethod;
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}
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QString mSignal;
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QObject *mReceiver;
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QString mMethod;
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};
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CpItemDataHelperPrivate(HbDataForm *form /*= 0*/)
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: mDataForm(form)
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{
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}
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~CpItemDataHelperPrivate()
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{
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}
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void addConnection(HbDataFormModelItem *item,
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const char *signal,
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QObject *receiver,
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const char *method)
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{
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if (mDataForm) {
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mDataForm->addConnection(item,signal,receiver,method);
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}
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else {
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mItemConnections.append(ItemConnection(item,signal,receiver,method));
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}
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}
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void removeConnection(HbDataFormModelItem *item,
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const char *signal,
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QObject *receiver,
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const char *method)
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{
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if (mDataForm) {
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mDataForm->removeConnection(item,signal,receiver,method);
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}
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else {
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mItemConnections.removeAll(ItemConnection(item,signal,receiver,method));
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}
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}
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void connectToForm(const char *signal,
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QObject *receiver,
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const char *method)
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{
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if (mDataForm) {
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QObject::connect(mDataForm,signal,receiver,method);
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}
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else {
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mFormConnections.append(FormConnection(signal,receiver,method));
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}
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}
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void disconnectFromForm(const char *signal,
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QObject *receiver,
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const char *method)
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{
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if (mDataForm) {
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QObject::disconnect(mDataForm,signal,receiver,method);
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}
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else {
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mFormConnections.removeAll(FormConnection(signal,receiver,method));
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}
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}
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void addItemPrototype(HbAbstractViewItem *prototype)
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{
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if (prototype) {
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if (mDataForm) {
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QList<HbAbstractViewItem *> protoTypeList = mDataForm->itemPrototypes();
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protoTypeList.append(prototype);
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mDataForm->setItemPrototypes(protoTypeList);
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}
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else {
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mItemPrototypes.append(prototype);
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}
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}
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}
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void bindToForm(HbDataForm *form)
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{
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mDataForm = form;
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if (mDataForm) {
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foreach(const ItemConnection &connection,mItemConnections) {
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mDataForm->addConnection(connection.mItem,connection.mSignal.toAscii(),
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connection.mReceiver,connection.mMethod.toAscii());
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}
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mItemConnections.clear();
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foreach(const FormConnection &connection,mFormConnections) {
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QObject::connect(mDataForm,connection.mSignal.toAscii(),
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connection.mReceiver,connection.mMethod.toAscii());
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}
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mFormConnections.clear();
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if (!mItemPrototypes.isEmpty()) {
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QList<HbAbstractViewItem *> protoTypeList = mDataForm->itemPrototypes();
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protoTypeList.append(mItemPrototypes);
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mDataForm->setItemPrototypes(protoTypeList);
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}
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mItemPrototypes.clear();
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}
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}
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HbWidget *widgetFromModelIndex(const QModelIndex &index)
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{
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if (mDataForm) {
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HbDataFormViewItem *viewItem = qobject_cast<HbDataFormViewItem *>
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(mDataForm->itemByIndex(index));
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if (viewItem) {
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return viewItem->dataItemContentWidget();
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}
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}
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return 0;
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}
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HbDataFormModelItem *modelItemFromModelIndex(const QModelIndex &index)
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{
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if (mDataForm) {
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HbDataFormModel *dataFormModel =
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qobject_cast<HbDataFormModel*>(mDataForm->model());
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if (dataFormModel) {
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return dataFormModel->itemFromIndex(index);
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}
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}
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return 0;
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}
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public:
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HbDataForm *mDataForm;
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QList<ItemConnection> mItemConnections;
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QList<FormConnection> mFormConnections;
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QList<HbAbstractViewItem*> mItemPrototypes;
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};
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/*!
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\class CpItemDataHelper
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\brief The CpItemDataHelper class is a helper class to help controlpanel plugins to comminicate with the associated dataform,
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such as connecting slots to inner widgets of setting items, add item prototypes.
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And add prototypes to dataform.
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*/
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/*!
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Constructor of CpItemDataHelper.
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*/
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CpItemDataHelper::CpItemDataHelper(HbDataForm *form/* = 0*/)
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: d(new CpItemDataHelperPrivate(form))
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{
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}
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/*!
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Destructor of CpItemDataHelper.
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*/
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CpItemDataHelper::~CpItemDataHelper()
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{
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delete d;
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}
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/*!
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Connect a slot to inner widget's signal of setting item.
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*/
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void CpItemDataHelper::addConnection(HbDataFormModelItem *item,
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const char *signal,
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QObject *receiver,
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const char *method)
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{
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d->addConnection(item,signal,receiver,method);
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}
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/*!
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Disconnect a slot to inner widget's signal of setting item.
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*/
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void CpItemDataHelper::removeConnection(HbDataFormModelItem *item,
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const char *signal,
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QObject *receiver,
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const char *method)
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{
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d->removeConnection(item,signal,receiver,method);
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}
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/*!
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Connect slot to data form.
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*/
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void CpItemDataHelper::connectToForm(const char *signal,
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QObject *receiver,
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const char *method)
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{
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d->connectToForm(signal,receiver,method);
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}
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/*!
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Disconnect slot from data form.
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*/
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void CpItemDataHelper::disconnectFromForm(const char *signal,
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QObject *receiver,
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const char *method)
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{
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d->disconnectFromForm(signal,receiver,method);
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}
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/*!
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Add a prototype to data form, to create custom widget for a custom setting item.
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*/
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void CpItemDataHelper::addItemPrototype(HbAbstractViewItem *prototype)
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{
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d->addItemPrototype(prototype);
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}
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/*!
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Bind the connections and prototypes to a data form.
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*/
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void CpItemDataHelper::bindToForm(HbDataForm *form)
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{
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d->bindToForm(form);
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}
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/*!
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Get the HbWidget instance from data form.
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*/
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HbWidget *CpItemDataHelper::widgetFromModelIndex(const QModelIndex &index)
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{
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return d->widgetFromModelIndex(index);
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}
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/*!
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Get the HbDataFormModelItem with a QModelIndex from associated data form's model.
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*/
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HbDataFormModelItem *CpItemDataHelper::modelItemFromModelIndex(const QModelIndex &index)
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{
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return d->modelItemFromModelIndex(index);
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}
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//End of File
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