src/hbwidgets/popups/hbselectiondialog_p.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:09:54 +0300
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permissions -rw-r--r--
Revision: 201017 Kit: 201019
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/****************************************************************************
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**
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (developer.feedback@nokia.com)
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**
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** This file is part of the HbWidgets module of the UI Extensions for Mobile.
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at developer.feedback@nokia.com.
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**
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****************************************************************************/
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#include <QGraphicsLinearLayout>
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#include <qglobal.h>
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#include "hbabstractviewitem.h"
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#include "hbselectiondialog_p.h"
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#include <hblabel.h>
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#include <hblistwidget.h>
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#include <hblistwidgetitem.h>
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#include <QtDebug>
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#include <hbcheckbox.h>
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#include <hbaction.h>
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HbSelectionDialogContentWidget::HbSelectionDialogContentWidget(HbSelectionDialogPrivate *priv):HbWidget(),
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                        mListWidget(0),d(priv),chkMark(0),lbCounter(0)
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{
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    mListWidget = new HbListWidget(this);
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    HbStyle::setItemName(mListWidget, "list");
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    QObject::connect(mListWidget,SIGNAL(activated(const QModelIndex&)),this,SLOT(_q_listItemSelected(QModelIndex)));
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    QObject::connect(mListWidget,SIGNAL(activated(HbListWidgetItem *)),this,SLOT(_q_listWidgetItemSelected(HbListWidgetItem *)));
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}
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void HbSelectionDialogContentWidget::_q_listWidgetItemSelected(HbListWidgetItem *item)
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{
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    if(item){
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        updateCounter();
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    }
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}
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void HbSelectionDialogContentWidget::_q_listItemSelected(QModelIndex index)
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{
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    Q_UNUSED(index)
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    if(mListWidget->selectionMode()== HbAbstractItemView::SingleSelection ||
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       mListWidget->selectionMode()== HbAbstractItemView::NoSelection){
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       d->close();   
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    }
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    updateCounter();
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}
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int HbSelectionDialogContentWidget::selectedItemCount() const
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{
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    int selectedItems = 0;
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    QItemSelectionModel* selectionModel = mListWidget->selectionModel();
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    if(selectionModel){
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        selectedItems = selectionModel->selectedRows().count();
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    }
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    return selectedItems;
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}
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int HbSelectionDialogContentWidget::totalItemCount() const
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{
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    return mListWidget->count();
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}
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void HbSelectionDialogContentWidget::updateCounter()
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{
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    if(mListWidget->selectionMode()!= HbAbstractItemView::MultiSelection) return;
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    if(chkMark && lbCounter){
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        int totalItems = totalItemCount();
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        int selectedItems = selectedItemCount();
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        lbCounter->setText(QString(QString::number(selectedItems) + "/" + QString::number(totalItems)));
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        //update checked state of "MarkAll" checkbox 
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        if (selectedItems == totalItems){
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            chkMark->blockSignals(true); //should not call _q_checkboxclicked()
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            chkMark->setChecked(true);
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            chkMark->blockSignals(false);
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        }
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        else{
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            chkMark->blockSignals(true); //should not call _q_checkboxclicked()
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            chkMark->setChecked(false);
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            chkMark->blockSignals(false);
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        }
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    }
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}
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void HbSelectionDialogContentWidget::_q_checkboxclicked(int value)
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{
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    int totalItems = 0;
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    int selectedItems = 0;
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    QAbstractItemModel* itemModel = mListWidget->model();
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    QModelIndex indexStart,indexEnd;
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    if(itemModel){
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        indexStart = itemModel->index(0,0);
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        indexEnd = itemModel->index(itemModel->rowCount()-1,0);
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        totalItems = itemModel->rowCount();
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    }
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2
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   112
    QItemSelectionModel* selectionModel = mListWidget->selectionModel();
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    if(selectionModel){
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        selectedItems = selectionModel->selectedRows().count();
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   115
        if(value){ //Select All
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            selectionModel->select(QItemSelection(indexStart,indexEnd),QItemSelectionModel::Select);
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        }
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        else{ //Select None
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   119
            selectionModel->clear();
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   120
        }
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    }
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    updateCounter();
1
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}
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   124
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   125
void HbSelectionDialogContentWidget::showMarkWidget(bool bShow)
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{
2
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    if(bShow){
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            chkMark = new HbCheckBox(this);
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            chkMark->setText("Mark All");
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            lbCounter = new HbTextItem(this);
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            HbStyle::setItemName(chkMark,"checkbox");
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            HbStyle::setItemName(lbCounter,"counter");
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            setProperty("multiSelection",true);
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            connect(chkMark,SIGNAL(stateChanged ( int )),this,SLOT(_q_checkboxclicked(int)));
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            updateCounter();
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   136
    }
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   137
    else{
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        delete chkMark;chkMark=0;
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        delete lbCounter;lbCounter=0;
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        HbStyle::setItemName(chkMark,"");
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        HbStyle::setItemName(lbCounter,"");
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        setProperty("multiSelection",false);
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   143
    }
1
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   144
}
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   145
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HbSelectionDialogPrivate::HbSelectionDialogPrivate()
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    :HbDialogPrivate()
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{
2
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   149
    bOwnItems = false;
1
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}
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   151
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HbSelectionDialogPrivate::~HbSelectionDialogPrivate()
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{
2
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    if(!bOwnItems){
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            Q_Q(HbSelectionDialog);
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            HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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            if(cWidget){
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                if(cWidget->mListWidget){
1
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                    int nRows = 0;
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                    QAbstractItemModel* itemModel = cWidget->mListWidget->model();
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                    if(itemModel){
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                        nRows = itemModel->rowCount();
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                        while(nRows){
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                            cWidget->mListWidget->takeItem(0);
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                            nRows = itemModel->rowCount();
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   166
                        }
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   167
                    }
2
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   168
                }
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   169
            }
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   170
    }
1
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   171
}
2
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   172
1
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void HbSelectionDialogPrivate::init()
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   174
{
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   175
    qDebug()<<" Entering init()";
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   176
    Q_Q(HbSelectionDialog);
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   177
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   178
    bOwnItems = false;
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   179
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   180
    HbSelectionDialogContentWidget* contentWidget = new HbSelectionDialogContentWidget(this);
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   181
    q->setContentWidget(contentWidget);
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   182
2
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   183
    q->addAction(new HbAction(q->tr("Ok"), q));
1
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   184
2
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   185
    q->addAction(new HbAction(q->tr("Cancel"), q));
1
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   186
    q->setTimeout(0);
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   187
    q->setModal(true);
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   188
}
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   189
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   190
void HbSelectionDialogPrivate::setSelectionMode(HbAbstractItemView::SelectionMode mode)
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   191
{
2
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   192
    Q_Q(HbSelectionDialog);
1
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   193
2
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   194
    mSelectionMode = mode;
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diff changeset
   195
    switch(mode)
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   196
    {
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   197
    case HbAbstractItemView::SingleSelection:
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   198
    case HbAbstractItemView::MultiSelection:
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   199
    case HbAbstractItemView::NoSelection:
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   200
    {
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diff changeset
   201
        HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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diff changeset
   202
        if(cWidget){
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diff changeset
   203
            cWidget->mListWidget->setSelectionMode(mode);
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diff changeset
   204
        }
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diff changeset
   205
        if(mode == HbAbstractItemView::MultiSelection)
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diff changeset
   206
            cWidget->showMarkWidget(true);    
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diff changeset
   207
        else
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   208
            cWidget->showMarkWidget(false);    
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diff changeset
   209
    }
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   210
    break;
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diff changeset
   211
    }
1
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   212
}
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diff changeset
   213
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   214
QList<HbListWidgetItem*> HbSelectionDialogPrivate::widgetItems() const
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   215
{
2
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diff changeset
   216
    Q_Q(const HbSelectionDialog);
1
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diff changeset
   217
2
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diff changeset
   218
    QList<HbListWidgetItem*> rows;
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   219
    HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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   220
    if(cWidget){
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   221
        HbListWidget* widget = qobject_cast<HbListWidget*>(cWidget->mListWidget);
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   222
        if(widget){
1
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   223
            int count = 0;
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   224
            QAbstractItemModel* itemModel = widget->model();
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   225
            if(itemModel)
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   226
                count = itemModel->rowCount();
2
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            for(int i = 0; i < count; i++){
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                rows.append(widget->item(i));
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            }
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        }
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    }
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    return rows;
1
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}
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void HbSelectionDialogPrivate::setStringItems(const QStringList &items, int currentIndex)
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{
2
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    Q_Q(HbSelectionDialog);
1
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    HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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    if(!cWidget) return;
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1
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    int nRows = 0;
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2
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    if(cWidget->mListWidget){
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        int count = items.size();
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        for (int i = 0; i < count; ++i) {
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            HbListWidgetItem* modelItem = new HbListWidgetItem();
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            QString str = items.at(i);
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            modelItem->setText(str);
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            cWidget->mListWidget->addItem(modelItem);
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1
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            QAbstractItemModel* itemModel = cWidget->mListWidget->model();
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            if(itemModel)
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                nRows = itemModel->rowCount();
2
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        }
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        if(nRows > 0){ //if addition of rows was correct.
1
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            QList<QVariant> currentRow;
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            currentRow.append(QVariant(currentIndex));
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            setSelectedItems(currentRow);
2
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        }
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    }
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}
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QStringList HbSelectionDialogPrivate::stringItems() const
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{
2
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    QStringList list;
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    QList<HbListWidgetItem*> items = widgetItems();
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    int count = items.count();
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    for(int i = 0; i < count; i++){
1
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                QString text = items[i]->text();
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                if(!text.isEmpty()){
2
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            list += text;
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        }
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    }
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    return list;
1
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}
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void HbSelectionDialogPrivate::setModel(QAbstractItemModel* model)
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{
2
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    Q_Q(HbSelectionDialog);
1
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    HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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    if(cWidget){
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        cWidget->mListWidget->HbListView::setModel(model); //HbListView's implementation of setModel()
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    }
1
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}
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void HbSelectionDialogPrivate::setWidgetItems(const QList<HbListWidgetItem*> &items,bool transferOwnership,int currentIndex)
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{
2
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    Q_Q(HbSelectionDialog);
1
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2
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    HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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    if(cWidget){
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        if(cWidget->mListWidget){
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            int count = items.count();
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            for(int i = 0; i < count; i++){
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                cWidget->mListWidget->addItem(items[i]);
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            }
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            cWidget->mListWidget->setCurrentRow(currentIndex);
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        }
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        bOwnItems = transferOwnership;
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    }
1
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}
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QAbstractItemModel* HbSelectionDialogPrivate::model() const
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{
2
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    Q_Q(const HbSelectionDialog);
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    HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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    if(cWidget){
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        return cWidget->mListWidget->HbListView::model(); //HbListView's implementation of model()
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    }
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    return 0;
1
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}
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   317
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QItemSelectionModel* HbSelectionDialogPrivate::selectionModel() const
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{
2
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    Q_Q(const HbSelectionDialog);
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   321
    
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    HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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    if(cWidget){
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        return cWidget->mListWidget->selectionModel();
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    }
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    return 0;
1
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}
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   328
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void HbSelectionDialogPrivate::setSelectedItems(const QList<QVariant> items)
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{
2
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    Q_Q(const HbSelectionDialog);
1
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    QItemSelectionModel *model = 0;
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    model = selectionModel();
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    if(model){
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        Q_FOREACH(QVariant i,items) {
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                model->select(model->model()->index(i.toInt(),0),
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   337
                    QItemSelectionModel::Select);
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        }
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    }
2
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   340
    HbSelectionDialogContentWidget* cWidget = qobject_cast<HbSelectionDialogContentWidget*>(q->contentWidget());
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    if(cWidget){
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        cWidget->updateCounter();
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    }
1
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}
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   345
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QList<QVariant> HbSelectionDialogPrivate::selectedItems() const
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{
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    QItemSelectionModel *model = 0;
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    QList<QVariant> selIndexes;
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    model = selectionModel();
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    if(model){
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        QModelIndexList indexes = model->selectedIndexes();
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        int count = indexes.count();
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   354
        QModelIndex index;
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   355
        for(int i = 0 ; i < count ; i++){
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            index = indexes[i];
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            selIndexes.append(QVariant(index.row()));
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        }
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    }
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    return selIndexes;
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   361
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   362
}
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parents:
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   363
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   364
QModelIndexList HbSelectionDialogPrivate::selectedModelIndexes() const
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   365
{
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   366
    QItemSelectionModel *model = 0;
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   367
    QModelIndexList selIndexes;
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   368
    model = selectionModel();
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   369
    if(model){
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   370
        selIndexes =  model->selectedIndexes();
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   371
    }
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    return selIndexes;
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   373
}
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parents:
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   374
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   375
void HbSelectionDialogPrivate::close()
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   376
{
2
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   377
    Q_Q(HbSelectionDialog);
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   378
    q->close();
1
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   379
}