author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:12:29 +0300 | |
branch | RCL_3 |
changeset 25 | 14979e23cb5e |
permissions | -rw-r--r-- |
25
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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: Music Player collection view base list container definition. |
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* |
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*/ |
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|
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// INCLUDE FILES |
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#include <QtCore> |
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#include <QGraphicsGridLayout> |
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|
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#include <hblistview.h> |
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#include <hbabstractviewitem.h> |
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#include <hblistviewitem.h> |
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#include <hbscrollbar.h> |
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#include <hbdocumentloader.h> |
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#include <hblabel.h> |
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#include <hbindexfeedback.h> |
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|
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#include "mpcollectionlistcontainer.h" |
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#include "mpcollectiondatamodel.h" |
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#include "mpmpxcollectiondata.h" |
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#include "mptrace.h" |
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|
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/*! |
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\class MpCollectionListContainer |
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\brief Music Player collection view base list container definition. |
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|
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Collection container is a base container that provides interface to |
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be implemented by the specific collection context containers, e.g. |
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All Songs, Artists, etc. Collection container owns UI elements such |
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as the layout and the widgets. |
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*/ |
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|
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/*! |
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Constructs the collection container. |
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*/ |
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MpCollectionListContainer::MpCollectionListContainer( HbDocumentLoader *loader, QGraphicsItem *parent ) |
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: MpCollectionContainer(loader, parent), |
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mList(0), |
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mNoMusic(0), |
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mIndexFeedback(0), |
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mLongPressedIndex(0), |
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mLongPressEnabled(true) |
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{ |
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TX_ENTRY |
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mIndexFeedback = new HbIndexFeedback(); |
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mIndexFeedback->setIndexFeedbackPolicy(HbIndexFeedback::IndexFeedbackSingleCharacter); |
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TX_EXIT |
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} |
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|
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/*! |
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Destructs the collection container. |
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*/ |
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MpCollectionListContainer::~MpCollectionListContainer() |
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{ |
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TX_ENTRY |
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delete mNoMusic; |
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delete mIndexFeedback; |
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TX_EXIT |
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} |
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|
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/*! |
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Initializes the collection container. Allocates all resources needed by the |
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container. |
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*/ |
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void MpCollectionListContainer::initialize() |
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{ |
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TX_LOG |
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} |
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|
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/*! |
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Sets the data model for the container. |
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*/ |
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void MpCollectionListContainer::setDataModel( MpCollectionDataModel *dataModel ) |
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{ |
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TX_ENTRY |
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MpCollectionContainer::setDataModel(dataModel); |
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if ( mList ) { |
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mList->setModel(dataModel); |
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} |
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TX_EXIT |
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} |
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|
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/*! |
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Slot to be called when an item is selected by the user. |
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*/ |
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void MpCollectionListContainer::itemActivated( const QModelIndex &index ) |
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{ |
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TX_ENTRY_ARGS("index=" << index.row()); |
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emit MpCollectionContainer::itemActivated( index.row() ); |
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TX_EXIT |
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} |
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|
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/*! |
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Slot to be called when an item is long pressed by the user. |
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Remember the index so that we can scroll to this vicinity if the data is reloaded, for example, |
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after a delete operation is selected from the context menu. |
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*/ |
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void MpCollectionListContainer::onLongPressed( HbAbstractViewItem *listViewItem, const QPointF &coords ) |
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{ |
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TX_ENTRY |
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if ( mLongPressEnabled ) { |
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mLongPressedIndex = listViewItem->modelIndex().row(); |
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emit MpCollectionContainer::itemLongPressed(mLongPressedIndex, coords); |
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} |
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TX_EXIT |
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} |
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|
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/*! |
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Slot to be called data model has new data. |
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If the data is reloaded as a result of operation like delete, we want to scroll to the |
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nearby area where user has performed the action. |
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|
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\sa onLongPressed |
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*/ |
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void MpCollectionListContainer::dataReloaded() |
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{ |
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TX_ENTRY |
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if ( mLongPressedIndex > 0 ) { |
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--mLongPressedIndex; |
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} |
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if ( mList ) { |
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mList->scrollTo( mDataModel->index(mLongPressedIndex, 0) ); |
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} |
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TX_EXIT |
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} |
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|
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/*! |
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\internal |
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*/ |
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void MpCollectionListContainer::initializeList() |
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{ |
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TX_ENTRY |
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mList->setItemRecycling(true); |
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mList->setLongPressEnabled(true); |
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|
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connect(mList, SIGNAL(activated(QModelIndex)), this, SLOT(itemActivated(QModelIndex))); |
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connect(mList, SIGNAL(longPressed(HbAbstractViewItem*, QPointF)), this, SLOT(onLongPressed(HbAbstractViewItem*, QPointF))); |
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|
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HbScrollBar *scrollbar = mList->verticalScrollBar(); |
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scrollbar->show(); |
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scrollbar->setInteractive(true); |
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mList->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAsNeeded); |
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|
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mList->listItemPrototype()->setGraphicsSize(HbListViewItem::Thumbnail); |
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TX_EXIT |
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} |
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|
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/*! |
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\internal |
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*/ |
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void MpCollectionListContainer::setupEmptyListContainer() |
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{ |
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TX_ENTRY |
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bool ok = false; |
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mDocumentLoader->load(QString(":/docml/musiccollection.docml"), "emptyList", &ok); |
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if ( !ok ) { |
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TX_LOG_ARGS("Error: invalid xml file."); |
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Q_ASSERT_X(ok, "MpCollectionListContainer::setupContainer", "invalid xml file"); |
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} |
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|
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QGraphicsWidget *widget; |
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widget = mDocumentLoader->findWidget(QString("noMusic")); |
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mNoMusic = qobject_cast<HbLabel*>(widget); |
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TX_EXIT |
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} |
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178 |