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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: proxy model for QFileSystemModel
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*
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*/
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#include "fmfilesystemproxymodel.h"
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#include "fmutils.h"
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#include <QFileSystemModel>
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#include <hbglobal.h>
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// name column number, this define comes from implementation of QFileSystemModel
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const int NameColumn = 0;
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/*!
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Constructor
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*/
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FmFileSystemProxyModel::FmFileSystemProxyModel( QObject *parent ) :
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QSortFilterProxyModel( parent )
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{
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}
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/*!
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Destructor
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*/
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FmFileSystemProxyModel::~FmFileSystemProxyModel()
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{
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}
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/*!
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return data by \a index and \a role
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this function will localize the folder by HbDirectoryNameLocalizer
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*/
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QVariant FmFileSystemProxyModel::data ( const QModelIndex & index, int role ) const
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel && ( role == Qt::DisplayRole ) ) {
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QString name( FmUtils::localize(sourceModel->fileInfo( mapToSource( index ) ).absoluteFilePath()) );
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if( name.isEmpty() ) {
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return sourceModel->data( mapToSource( index ), role );
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} else {
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return name;
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}
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}
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if( sourceModel )
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{
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return sourceModel->data( mapToSource( index ), role );
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}
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else
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{
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return QVariant();
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}
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}
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/*!
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Return fileInfo by \a index
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Return empty QFileInfo if sourceModel is not QFileSystemModel
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*/
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QFileInfo FmFileSystemProxyModel::fileInfo ( const QModelIndex & index ) const
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel ) {
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return sourceModel->fileInfo( mapToSource( index ) );
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}
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return QFileInfo();
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}
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/*!
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Sets the directory \a newPath as current path to display
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Return empty QModelIndex if sourceModel is not QFileSystemModel
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*/
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QModelIndex FmFileSystemProxyModel::setRootPath ( const QString & newPath )
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel ) {
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return mapFromSource( sourceModel->setRootPath( newPath ) );
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}
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return QModelIndex();
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}
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/*!
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Judge if object pointed by \a index is a directory.
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Return false also if sourceModel is not QFileSystemModel
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*/
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bool FmFileSystemProxyModel::isDir ( const QModelIndex & index ) const
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel ) {
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return sourceModel->isDir( mapToSource( index ) );
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}
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return false;
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}
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/*!
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Get filePath by \a index.
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Return empty string if sourceModel is not QFileSystemModel
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*/
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QString FmFileSystemProxyModel::filePath ( const QModelIndex & index ) const
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel ) {
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return sourceModel->filePath( mapToSource( index ) );
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}
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return QString();
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}
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/*!
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Set model filters
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Nothing will be done if sourceModel is not QFileSystemModel
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*/
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void FmFileSystemProxyModel::setFilter ( QDir::Filters filters )
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel ) {
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sourceModel->setFilter( filters );
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}
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}
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/*!
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Set name filters
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Nothing will be done if sourceModel is not QFileSystemModel
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*/
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void FmFileSystemProxyModel::setNameFilters(const QStringList &filters)
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel ) {
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sourceModel->setNameFilters( filters );
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}
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}
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/*
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Filter directories that should not be seen by user.
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For example, return false for such folders: C:\sys\, C:\system\, C:\private\, C:\resource\
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Return default value(true) if sourceModel is not QFileSystemModel
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*/
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bool FmFileSystemProxyModel::filterAcceptsRow(int sourceRow,
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const QModelIndex &sourceParent) const
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{
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QAbstractItemModel *itemModel = sourceModel();
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QFileSystemModel *sourceModel = qobject_cast<QFileSystemModel*>( itemModel );
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if( sourceModel ) {
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QModelIndex nameIndex = sourceModel->index(sourceRow, NameColumn, sourceParent);
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QFileInfo fileInfo = sourceModel->fileInfo( nameIndex );
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QString absoluteFilePath = fileInfo.absoluteFilePath();
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if( FmUtils::isSystemFolder( absoluteFilePath ) ) {
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return false;
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}
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}
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return true;
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}
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