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/*
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* Copyright (c) 2008 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: videolist selection dialog implementation
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*
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*/
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#include <QGraphicsItem>
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#include <hblabel.h>
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#include <hbcheckbox.h>
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#include <hbaction.h>
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#include <hbstackedwidget.h>
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#include <hbdeviceprofile.h>
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#include "videocollectionuiloader.h"
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#include "videolistwidget.h"
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#include "videosortfilterproxymodel.h"
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#include "videolistselectiondialog.h"
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// ---------------------------------------------------------------------------
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// VideoListSelectionDialog
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// ---------------------------------------------------------------------------
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//
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VideoListSelectionDialog::VideoListSelectionDialog(VideoCollectionUiLoader *uiLoader,
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QGraphicsItem *parent) :
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HbDialog(parent),
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mUiLoader(uiLoader),
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mVideoList(0),
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mHeading(0),
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mItemCount(0),
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mCheckBox(0),
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mListContainer(0),
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mForcedCheck(false)
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{
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setDismissPolicy(HbDialog::NoDismiss);
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setTimeout(HbDialog::NoTimeout);
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}
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// ---------------------------------------------------------------------------
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// ~VideoListSelectionDialog
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// ---------------------------------------------------------------------------
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//
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VideoListSelectionDialog::~VideoListSelectionDialog()
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{
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// NOP
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}
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// ---------------------------------------------------------------------------
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// getSelection
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// ---------------------------------------------------------------------------
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//
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const QItemSelection& VideoListSelectionDialog::getSelection() const
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{
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return mSelection;
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}
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// ---------------------------------------------------------------------------
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// setContent
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// ---------------------------------------------------------------------------
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//
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void VideoListSelectionDialog::setContent(const QString &title, VideoListWidget *videoList)
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{
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mSelection.clear();
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if(!videoList || title.isEmpty())
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{
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mVideoList = 0;
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return;
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}
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mVideoList = videoList;
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if(!mHeading)
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{
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mHeading = mUiLoader->findWidget<HbLabel>(DOCML_NAME_DLG_HEADINGLBL);
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}
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mHeading->setPlainText(title);
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if(!mItemCount)
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{
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mItemCount = mUiLoader->findWidget<HbLabel>(DOCML_NAME_LBL_SELECTION);
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mItemCount->setAlignment(Qt::AlignRight);
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}
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mItemCount->setPlainText(tr("0/%1").arg(mVideoList->getModel().rowCount()));
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if(!mCheckBox)
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{
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mCheckBox = mUiLoader->findWidget<HbCheckBox >(DOCML_NAME_MARKALL);
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}
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mCheckBox->setChecked(false);
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if(!primaryAction())
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{
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setPrimaryAction(new HbAction(tr("OK"), this));
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}
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primaryAction()->setDisabled(true);
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if(!secondaryAction())
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{
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setSecondaryAction(new HbAction(tr("Cancel"), this));
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}
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}
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// ---------------------------------------------------------------------------
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// exec
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// ---------------------------------------------------------------------------
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//
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HbAction* VideoListSelectionDialog::exec()
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{
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mSelection.clear();
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if(!mVideoList)
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{
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return 0;
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}
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// setup content of the popup
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mVideoList->setSelectionMode(HbAbstractItemView::MultiSelection);
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// clear parent layout item from our widget to be able to insert it
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// to the stackedWidget child
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QGraphicsLayoutItem *currenParentLayout = mVideoList->parentLayoutItem();
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QGraphicsItem *currentParentItem = mVideoList->parentItem();
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mVideoList->setParentLayoutItem(0);
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if(!mListContainer)
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{
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mListContainer = mUiLoader->findWidget<HbStackedWidget>(DOCML_NAME_LIST_CONTAINER);
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}
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mListContainer->addWidget(mVideoList);
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connectSignals();
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// Launch popup syncronously
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bool accepted = false;
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HbDialog::exec() == primaryAction() ? accepted = true : accepted = false;
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disconnectSignals();
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// remove out widget from stacked before poptup is to be destroyed to make sure
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// our widget does not get deleted
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mListContainer->removeAt(0);
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// restore widget's original parent and layout.
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mVideoList->setParentItem(currentParentItem);
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mVideoList->setParentLayoutItem(currenParentLayout);
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mVideoList->setSelectionMode(HbAbstractItemView::NoSelection);
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currentParentItem->setVisible(true);
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mVideoList->setVisible(true);
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if(!accepted)
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{
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mSelection.clear();
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return secondaryAction();
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}
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return primaryAction();
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}
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// ---------------------------------------------------------------------------
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// markAllStateChanged
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// ---------------------------------------------------------------------------
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//
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void VideoListSelectionDialog::markAllStateChangedSlot(int state)
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{
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if(!mVideoList)
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{
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return;
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}
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if(mForcedCheck)
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{
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return;
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}
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if( state == Qt::Checked)
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{
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mVideoList->selectAll();
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}
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else
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{
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mVideoList->clearSelection();
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}
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}
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// ---------------------------------------------------------------------------
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// selectionChangedSlot
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// ---------------------------------------------------------------------------
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//
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void VideoListSelectionDialog::selectionChangedSlot(const QItemSelection &selected, const QItemSelection &deselected)
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{
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if(!primaryAction())
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{
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return;
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}
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if(selected.indexes().count() > 0)
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{
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mSelection.merge(selected, QItemSelectionModel::Select);
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}
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if(deselected.indexes().count() > 0)
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{
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mSelection.merge(deselected, QItemSelectionModel::Deselect);
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}
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if(mSelection.indexes().count() > 0)
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{
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primaryAction()->setDisabled(false);
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}
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else
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{
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primaryAction()->setDisabled(true);
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}
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updateCounterSlot();
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}
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// ---------------------------------------------------------------------------
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// updateCounterSlot
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// ---------------------------------------------------------------------------
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//
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void VideoListSelectionDialog::updateCounterSlot()
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{
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if(!mVideoList || !mItemCount)
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{
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return;
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}
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// orbit does not update HbLabel read from docml in case it isn't cleared first
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int rowCount = mVideoList->getModel().rowCount();
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int selectionCount = mSelection.indexes().count();
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mItemCount->setPlainText(tr("%1/%2").arg(selectionCount).arg(rowCount));
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mForcedCheck = true;
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if(selectionCount == rowCount && rowCount > 0)
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{
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mCheckBox->setChecked(true);
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}
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else
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{
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mCheckBox->setChecked(false);
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}
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mForcedCheck = false;
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}
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// ---------------------------------------------------------------------------
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// connectSignals
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// ---------------------------------------------------------------------------
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//
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void VideoListSelectionDialog::connectSignals()
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{
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// selection changes
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connect(mVideoList->selectionModel(), SIGNAL(selectionChanged (const QItemSelection&, const QItemSelection&)),
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this, SLOT(selectionChangedSlot(const QItemSelection&, const QItemSelection &)));
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// model changes signals
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connect(&(mVideoList->getModel()), SIGNAL(layoutChanged()), this, SLOT(updateCounterSlot()));
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connect(&(mVideoList->getModel()), SIGNAL(rowsInserted(const QModelIndex&, int, int)), this, SLOT(updateCounterSlot()));
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connect(&(mVideoList->getModel()), SIGNAL(rowsRemoved(const QModelIndex&, int, int)), this, SLOT(updateCounterSlot()));
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// mark all state changes
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connect(mCheckBox, SIGNAL(stateChanged(int)), this, SLOT(markAllStateChangedSlot(int)));
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}
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// ---------------------------------------------------------------------------
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// disconnectSignals
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// ---------------------------------------------------------------------------
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//
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void VideoListSelectionDialog::disconnectSignals()
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{
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disconnect(mVideoList->selectionModel(), SIGNAL(selectionChanged (const QItemSelection&, const QItemSelection&)),
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this, SLOT(selectionChangedSlot(const QItemSelection&, const QItemSelection &)));
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// model changes signals
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disconnect(&(mVideoList->getModel()), SIGNAL(layoutChanged()), this, SLOT(updateCounterSlot()));
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disconnect(&(mVideoList->getModel()), SIGNAL(rowsInserted(const QModelIndex&, int, int)), this, SLOT(updateCounterSlot()));
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disconnect(&(mVideoList->getModel()), SIGNAL(rowsRemoved(const QModelIndex&, int, int)), this, SLOT(updateCounterSlot()));
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// mark all state changes
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disconnect(mCheckBox, SIGNAL(stateChanged(int)), this, SLOT(markAllStateChangedSlot(int)));
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}
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