ipsservices/nmipssettings/src/nmipssettingscustomitem.cpp
author hgs
Fri, 14 May 2010 04:41:45 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2010 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:
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*
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*/
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#include <QVariant>
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#include <HbAbstractItemView>
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#include <HbDataFormModel>
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#include <HbDataFormModelItem>
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#include "nmipssettingscustomitem.h"
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#include "nmipssettingslabeledcombobox.h"
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#include "nmipssettingstimeeditor.h"
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#include "nmipssettingsmultiselectionitem.h"
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/*!
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    \class NmIpsSettingsCustomItem
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    \brief The class implements a custom HbDataFormViewItem.
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*/
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// ======== MEMBER FUNCTIONS ========
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/*!
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    Constructor of NmIpsSettingsCustomItem.
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*/
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NmIpsSettingsCustomItem::NmIpsSettingsCustomItem(QGraphicsItem *parent)
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: HbDataFormViewItem(parent)
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{
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}
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/*!
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    Destructor of NmIpsSettingsCustomItem.
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*/
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NmIpsSettingsCustomItem::~NmIpsSettingsCustomItem()
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{
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}
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/*!
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    Creates the custom data form view item.
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*/
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HbAbstractViewItem* NmIpsSettingsCustomItem::createItem()
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{
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    return new NmIpsSettingsCustomItem(*this);
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}
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/*!
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    \param index Model index of the item.
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    \return true if item type for the index is supported, otherwise false.
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*/
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bool NmIpsSettingsCustomItem::canSetModelIndex(const QModelIndex &index) const
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{
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    int type(index.data(HbDataFormModelItem::ItemTypeRole).toInt());
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    return type == LabeledComboBox || type == TimeEditor || type == MultiSelectionItem;
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}
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/*!
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    Creates the custom widget.
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*/
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HbWidget *NmIpsSettingsCustomItem::createCustomWidget()
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{
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    QVariant data(modelIndex().data(HbDataFormModelItem::ItemTypeRole));
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    int type(data.toInt());
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    HbWidget *widget = 0;
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    switch (type) {
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        case LabeledComboBox: {
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            widget = new NmIpsSettingsLabeledComboBox();
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            connect(widget, SIGNAL(propertyChanged(QMap<QString, QVariant>)),
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                    this, SLOT(propertyChanged(QMap<QString, QVariant>)));
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            break;
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            }
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        case TimeEditor: {
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            widget = new NmIpsSettingsTimeEditor();
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            break;
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            }
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        case MultiSelectionItem: {
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            widget = new NmIpsSettingsMultiSelectionItem();
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            connect(widget, SIGNAL(propertyChanged(QMap<QString, QVariant>)),
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                this, SLOT(propertyChanged(QMap<QString, QVariant>)));
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            break;
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        }
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        default: {
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            // Unknown/unhandled item type.
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            break;
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        }
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    }
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    return widget;
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}
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/*!
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    Sets the custom widget's properties from the model item.
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*/
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void NmIpsSettingsCustomItem::restore()
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{
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    HbDataFormModelItem::DataItemType itemType = static_cast<HbDataFormModelItem::DataItemType>(
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        modelIndex().data(HbDataFormModelItem::ItemTypeRole).toInt());
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    if (itemType == LabeledComboBox || itemType == TimeEditor || itemType == MultiSelectionItem) {
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        HbDataFormModel *model = static_cast<HbDataFormModel *>
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            (static_cast<HbAbstractViewItem *>(this)->itemView()->model());
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        HbDataFormModelItem *modelItem = model->itemFromIndex(modelIndex());
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   118
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        QHash<QString ,QVariant> properties =
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            modelItem->data(HbDataFormModelItem::PropertyRole).toHash();
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   121
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        if (itemType == LabeledComboBox) {
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            // Set combobox properties in specific order. currentIndex must be set last so that
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            // both the labelTexts and comboItems have been set before. Also, labelTexts must
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            // have been set before comboItems. Otherwise the setting of current item doesn't work.
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            // Block signals which are generated when comboItems are set.
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            setWidgetProperty("labelTexts", properties);
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            dataItemContentWidget()->blockSignals(true);
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            setWidgetProperty("comboItems", properties);
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            dataItemContentWidget()->blockSignals(false);
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            setWidgetProperty("currentIndex", properties);
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        } else {
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            // Set item properties. Simply copy all set properties to the widget.
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            QStringList propertyNames = properties.keys();
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            foreach (QString key, propertyNames) {
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                QVariant value = properties.value(key);
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                dataItemContentWidget()->setProperty(key.toAscii().data(), value);
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            }
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        }
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    }
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}
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/*!
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    Copies all given properties from widget to model.
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    \param properties Composited widget properties.
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*/
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void NmIpsSettingsCustomItem::propertyChanged(QMap<QString, QVariant> properties)
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{
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    HbDataFormModel* model =
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        static_cast<HbDataFormModel*>(static_cast<HbAbstractViewItem*>(this)->itemView()->model());
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    model->blockSignals(true);
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    HbDataFormModelItem* modlItem = model->itemFromIndex(modelIndex());
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    QStringList keys = properties.keys();
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    foreach (QString key, keys) {
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        modlItem->setContentWidgetData(key, properties.value(key));
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    }
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    model->blockSignals(false);
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}
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/*!
20
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    Sets \a property to the content widget if found from \a properties.
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    \param property Name of the property to set.
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    \param properties Available properties.
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*/
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void NmIpsSettingsCustomItem::setWidgetProperty(const QString &property,
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    const QHash<QString, QVariant> &properties)
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{
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    if (properties.contains(property)) {
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        dataItemContentWidget()->setProperty(property.toAscii().data(), properties.value(property));
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    }
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}