ipsservices/nmipssettings/src/nmipssettingsmultiselectionitem.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 15:41:10 +0300
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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 <QGraphicsLinearLayout>
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#include <QScopedPointer>
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#include <HbPushButton>
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#include <HbSelectionDialog>
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#include <HbLabel>
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#include <HbExtendedLocale>
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#include "nmipssettingsmultiselectionitem.h"
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/*!
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    \class NmIpsSettingsMultiSelectionItem
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    \brief The class implements a custom HbDataFormViewItem for showing multi selection dialog.
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*/
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// ======== MEMBER FUNCTIONS ========
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/*!
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    Constructor of NmIpsSettingsMultiSelectionItem.
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*/
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NmIpsSettingsMultiSelectionItem::NmIpsSettingsMultiSelectionItem(
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    QGraphicsItem *parent, Qt::WindowFlags wFlags)
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 : HbWidget(parent, wFlags),
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   mButton(0),
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   mSelectionDialog(0)
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{
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    // Create widget layout.
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    QScopedPointer<QGraphicsLinearLayout> layout(new QGraphicsLinearLayout(Qt::Vertical, this));
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    this->setLayout(layout.data());
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    // Create button.
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    mButton = new HbPushButton();
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    layout->addItem(mButton);
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    connect(mButton, SIGNAL(clicked()), this, SLOT(launchSelectionDialog()));
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    (void)layout.take();
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}
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/*!
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    Destructor of NmIpsSettingsMultiSelectionItem.
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*/
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NmIpsSettingsMultiSelectionItem::~NmIpsSettingsMultiSelectionItem()
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{
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    delete mSelectionDialog;
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}
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/*!
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    Returns shown text.
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    \return Shown text.
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*/
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QString NmIpsSettingsMultiSelectionItem::text() const
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{
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    return mButton->text();
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}
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/*!
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    Sets shown text.
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    \param text Shown text.
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*/
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void NmIpsSettingsMultiSelectionItem::setText(QString text)
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{
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    mButton->setText(text);
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}
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/*!
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    Returns items which are shown in dialog.
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    \return items which are shown in dialog.
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*/
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QStringList NmIpsSettingsMultiSelectionItem::stringItems() const
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{
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    return mItems;
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}
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/*!
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    Sets items which are shown in dialog.
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    \param items Items which are shown in dialog.
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*/
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void NmIpsSettingsMultiSelectionItem::setStringItems(QStringList items)
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{
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    mItems = items;
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    generateButtonText();
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}
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/*!
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    Returns selected items.
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    \return selected items.
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*/
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QList<QVariant> NmIpsSettingsMultiSelectionItem::selectedItems()const
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{
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    return mSelectedItems;
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}
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/*!
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    Sets selected items.
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   119
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    \param selectedItems Indexes of items which will be seleceted when dialog is shown.
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*/
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void NmIpsSettingsMultiSelectionItem::setSelectedItems(QList<QVariant> selectedItems)
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{
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    // Store selected items and generate button text.
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    mSelectedItems = selectedItems;
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    generateButtonText();
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}
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   128
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/*!
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    Returns heading text.
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   131
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    \return heading text.
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*/
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QString NmIpsSettingsMultiSelectionItem::heading() const
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{
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    return mHeading;
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}
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   138
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/*!
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    Sets heading text.
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    \param heading Shown heading text in dialog.
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*/
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void NmIpsSettingsMultiSelectionItem::setHeading(QString heading)
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{
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    mHeading = heading;
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}
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   148
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/*!
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    Launches the Selection dialog.
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*/
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void NmIpsSettingsMultiSelectionItem::launchSelectionDialog()
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{
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    if (mSelectionDialog) {
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        delete mSelectionDialog;
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        mSelectionDialog = 0;
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    }
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   158
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    // Create the dialog.
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    mSelectionDialog = new HbSelectionDialog();
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    mSelectionDialog->setSelectionMode(HbAbstractItemView::MultiSelection);
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    mSelectionDialog->setStringItems(mItems, mItems.count() + 1);
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    mSelectionDialog->setSelectedItems(mSelectedItems);
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   164
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    // Set the heading for the dialog.
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    HbLabel *headingLabel = new HbLabel(mHeading, mSelectionDialog);
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    mSelectionDialog->setHeadingWidget(headingLabel);
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    mSelectionDialog->open(this, SLOT(selectionDialogClosed(HbAction *)));
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}
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   170
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/*!
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    Handles the action from selection dialog.
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   173
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    \param action Dialog closing action.
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*/
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void NmIpsSettingsMultiSelectionItem::selectionDialogClosed(HbAction *action)
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{
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    if (action == mSelectionDialog->primaryAction()) {
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        // Get selected items.
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        mSelectedItems = mSelectionDialog->selectedItems();
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   181
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        // Generate button text from selected items.
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        generateButtonText();
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   184
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        QMap<QString, QVariant> properties;
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        properties.insert("selectedItems", mSelectedItems);
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   187
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        emit propertyChanged(properties);
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   189
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        // Emit the signal.
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        emit editingFinished();
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    }
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}
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   194
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   195
/*!
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    Generates shown text from selected items.
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   197
*/
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void NmIpsSettingsMultiSelectionItem::generateButtonText()
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{
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    // Generate button text only if both properties are valid.
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    const int itemCount(mItems.count());
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    if (mItems.count() >= mSelectedItems.count()) {
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        // Construct separator for button text.
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        QChar groupSeparator = HbExtendedLocale::system().groupSeparator();
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        QString separator(" ");
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        separator.insert(0, groupSeparator);
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   207
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        QString buttonText;
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        QListIterator<QVariant> itemIterator(mSelectedItems);
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        while (itemIterator.hasNext()) {
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            QVariant item(itemIterator.next());
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            bool conversionOk(false);
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            const int selectedIndex(item.toInt(&conversionOk));
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            if (conversionOk && (selectedIndex >= 0) && (selectedIndex < itemCount)) {
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                // Generate button text.
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                buttonText.append(mItems.at(selectedIndex));
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                // Add separator if not last item.
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                if (itemIterator.hasNext()) {
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                    buttonText.append(separator);
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                }
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            }
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        }
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        mButton->setText(buttonText);
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    }
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}