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Diffstat (limited to 'src/gui/dialogs/qfilesystemmodel.cpp')
| -rw-r--r-- | src/gui/dialogs/qfilesystemmodel.cpp | 2027 |
1 files changed, 0 insertions, 2027 deletions
diff --git a/src/gui/dialogs/qfilesystemmodel.cpp b/src/gui/dialogs/qfilesystemmodel.cpp deleted file mode 100644 index cb8eb6ad66..0000000000 --- a/src/gui/dialogs/qfilesystemmodel.cpp +++ /dev/null @@ -1,2027 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qfilesystemmodel_p.h" -#include "qfilesystemmodel.h" -#include <qlocale.h> -#include <qmime.h> -#include <qurl.h> -#include <qdebug.h> -#include <qmessagebox.h> -#include <qapplication.h> - -#ifdef Q_OS_WIN -#include <qt_windows.h> -#endif -#ifdef Q_OS_WIN32 -#include <QtCore/QVarLengthArray> -#endif - -QT_BEGIN_NAMESPACE - -#ifndef QT_NO_FILESYSTEMMODEL - -/*! - \enum QFileSystemModel::Roles - \value FileIconRole - \value FilePathRole - \value FileNameRole - \value FilePermissions -*/ - -/*! - \class QFileSystemModel - \since 4.4 - - \brief The QFileSystemModel class provides a data model for the local filesystem. - - \ingroup model-view - - This class provides access to the local filesystem, providing functions - for renaming and removing files and directories, and for creating new - directories. In the simplest case, it can be used with a suitable display - widget as part of a browser or filter. - - QFileSystemModel can be accessed using the standard interface provided by - QAbstractItemModel, but it also provides some convenience functions that are - specific to a directory model. - The fileInfo(), isDir(), name(), and path() functions provide information - about the underlying files and directories related to items in the model. - Directories can be created and removed using mkdir(), rmdir(). - - \note QFileSystemModel requires an instance of a GUI application. - - \section1 Example Usage - - A directory model that displays the contents of a default directory - is usually constructed with a parent object: - - \snippet doc/src/snippets/shareddirmodel/main.cpp 2 - - A tree view can be used to display the contents of the model - - \snippet doc/src/snippets/shareddirmodel/main.cpp 4 - - and the contents of a particular directory can be displayed by - setting the tree view's root index: - - \snippet doc/src/snippets/shareddirmodel/main.cpp 7 - - The view's root index can be used to control how much of a - hierarchical model is displayed. QDirModel provides a convenience - function that returns a suitable model index for a path to a - directory within the model. - - \section1 Caching and Performance - - QFileSystemModel will not fetch any files or directories until setRootPath() - is called. This will prevent any unnecessary querying on the file system - until that point such as listing the drives on Windows. - - Unlike QDirModel, QFileSystemModel uses a separate thread to populate - itself so it will not cause the main thread to hang as the file system - is being queried. Calls to rowCount() will return 0 until the model - populates a directory. - - QFileSystemModel keeps a cache with file information. The cache is - automatically kept up to date using the QFileSystemWatcher. - - \sa {Model Classes} -*/ - -/*! - \fn bool QFileSystemModel::rmdir(const QModelIndex &index) const - - Removes the directory corresponding to the model item \a index in the - file system model and \bold{deletes the corresponding directory from the - file system}, returning true if successful. If the directory cannot be - removed, false is returned. - - \warning This function deletes directories from the file system; it does - \bold{not} move them to a location where they can be recovered. - - \sa remove() -*/ - -/*! - \fn QIcon QFileSystemModel::fileName(const QModelIndex &index) const - - Returns the file name for the item stored in the model under the given - \a index. -*/ - -/*! - \fn QIcon QFileSystemModel::fileIcon(const QModelIndex &index) const - - Returns the icon for the item stored in the model under the given - \a index. -*/ - -/*! - \fn QFileInfo QFileSystemModel::fileInfo(const QModelIndex &index) const - - Returns the QFileInfo for the item stored in the model under the given - \a index. -*/ - -/*! - \fn void QFileSystemModel::rootPathChanged(const QString &newPath); - - This signal is emitted whenever the root path has been changed to a \a newPath. -*/ - -/*! - \fn void QFileSystemModel::fileRenamed(const QString &path, const QString &oldName, const QString &newName) - - This signal is emitted whenever a file with the \a oldName is successfully - renamed to \a newName. The file is located in in the directory \a path. -*/ - -/*! - \since 4.7 - \fn void QFileSystemModel::directoryLoaded(const QString &path) - - This signal is emitted when the gatherer thread has finished to load the \a path. - -*/ - -/*! - \fn bool QFileSystemModel::remove(const QModelIndex &index) const - - Removes the model item \a index from the file system model and \bold{deletes the - corresponding file from the file system}, returning true if successful. If the - item cannot be removed, false is returned. - - \warning This function deletes files from the file system; it does \bold{not} - move them to a location where they can be recovered. - - \sa rmdir() -*/ - -bool QFileSystemModel::remove(const QModelIndex &aindex) const -{ - //### TODO optim - QString path = filePath(aindex); - QFileSystemModelPrivate * d = const_cast<QFileSystemModelPrivate*>(d_func()); - d->fileInfoGatherer.removePath(path); - QDirIterator it(path, - QDir::AllDirs | QDir:: Files | QDir::NoDotAndDotDot, - QDirIterator::Subdirectories); - QStringList children; - while (it.hasNext()) - children.prepend(it.next()); - children.append(path); - - bool error = false; - for (int i = 0; i < children.count(); ++i) { - QFileInfo info(children.at(i)); - QModelIndex modelIndex = index(children.at(i)); - if (info.isDir()) { - QDir dir; - if (children.at(i) != path) - error |= remove(modelIndex); - error |= rmdir(modelIndex); - } else { - error |= QFile::remove(filePath(modelIndex)); - } - } - return error; -} - -/*! - Constructs a file system model with the given \a parent. -*/ -QFileSystemModel::QFileSystemModel(QObject *parent) - : QAbstractItemModel(*new QFileSystemModelPrivate, parent) -{ - Q_D(QFileSystemModel); - d->init(); -} - -/*! - \internal -*/ -QFileSystemModel::QFileSystemModel(QFileSystemModelPrivate &dd, QObject *parent) - : QAbstractItemModel(dd, parent) -{ - Q_D(QFileSystemModel); - d->init(); -} - -/*! - Destroys this file system model. -*/ -QFileSystemModel::~QFileSystemModel() -{ -} - -/*! - \reimp -*/ -QModelIndex QFileSystemModel::index(int row, int column, const QModelIndex &parent) const -{ - Q_D(const QFileSystemModel); - if (row < 0 || column < 0 || row >= rowCount(parent) || column >= columnCount(parent)) - return QModelIndex(); - - // get the parent node - QFileSystemModelPrivate::QFileSystemNode *parentNode = (d->indexValid(parent) ? d->node(parent) : - const_cast<QFileSystemModelPrivate::QFileSystemNode*>(&d->root)); - Q_ASSERT(parentNode); - - // now get the internal pointer for the index - QString childName = parentNode->visibleChildren[d->translateVisibleLocation(parentNode, row)]; - const QFileSystemModelPrivate::QFileSystemNode *indexNode = parentNode->children.value(childName); - Q_ASSERT(indexNode); - - return createIndex(row, column, const_cast<QFileSystemModelPrivate::QFileSystemNode*>(indexNode)); -} - -/*! - \overload - - Returns the model item index for the given \a path and \a column. -*/ -QModelIndex QFileSystemModel::index(const QString &path, int column) const -{ - Q_D(const QFileSystemModel); - QFileSystemModelPrivate::QFileSystemNode *node = d->node(path, false); - QModelIndex idx = d->index(node); - if (idx.column() != column) - idx = idx.sibling(idx.row(), column); - return idx; -} - -/*! - \internal - - Return the QFileSystemNode that goes to index. - */ -QFileSystemModelPrivate::QFileSystemNode *QFileSystemModelPrivate::node(const QModelIndex &index) const -{ - if (!index.isValid()) - return const_cast<QFileSystemNode*>(&root); - QFileSystemModelPrivate::QFileSystemNode *indexNode = static_cast<QFileSystemModelPrivate::QFileSystemNode*>(index.internalPointer()); - Q_ASSERT(indexNode); - return indexNode; -} - -#ifdef Q_OS_WIN32 -static QString qt_GetLongPathName(const QString &strShortPath) -{ - if (strShortPath.isEmpty() - || strShortPath == QLatin1String(".") || strShortPath == QLatin1String("..")) - return strShortPath; - if (strShortPath.length() == 2 && strShortPath.endsWith(QLatin1Char(':'))) - return strShortPath.toUpper(); - const QString absPath = QDir(strShortPath).absolutePath(); - if (absPath.startsWith(QLatin1String("//")) - || absPath.startsWith(QLatin1String("\\\\"))) // unc - return QDir::fromNativeSeparators(absPath); - if (absPath.startsWith(QLatin1Char('/'))) - return QString(); - const QString inputString = QLatin1String("\\\\?\\") + QDir::toNativeSeparators(absPath); - QVarLengthArray<TCHAR, MAX_PATH> buffer(MAX_PATH); - DWORD result = ::GetLongPathName((wchar_t*)inputString.utf16(), - buffer.data(), - buffer.size()); - if (result > DWORD(buffer.size())) { - buffer.resize(result); - result = ::GetLongPathName((wchar_t*)inputString.utf16(), - buffer.data(), - buffer.size()); - } - if (result > 4) { - QString longPath = QString::fromWCharArray(buffer.data() + 4); // ignoring prefix - longPath[0] = longPath.at(0).toUpper(); // capital drive letters - return QDir::fromNativeSeparators(longPath); - } else { - return QDir::fromNativeSeparators(strShortPath); - } -} -#endif - -/*! - \internal - - Given a path return the matching QFileSystemNode or &root if invalid -*/ -QFileSystemModelPrivate::QFileSystemNode *QFileSystemModelPrivate::node(const QString &path, bool fetch) const -{ - Q_Q(const QFileSystemModel); - Q_UNUSED(q); - if (path.isEmpty() || path == myComputer() || path.startsWith(QLatin1Char(':'))) - return const_cast<QFileSystemModelPrivate::QFileSystemNode*>(&root); - - // Construct the nodes up to the new root path if they need to be built - QString absolutePath; -#ifdef Q_OS_WIN32 - QString longPath = qt_GetLongPathName(path); -#else - QString longPath = path; -#endif - if (longPath == rootDir.path()) - absolutePath = rootDir.absolutePath(); - else - absolutePath = QDir(longPath).absolutePath(); - - // ### TODO can we use bool QAbstractFileEngine::caseSensitive() const? - QStringList pathElements = absolutePath.split(QLatin1Char('/'), QString::SkipEmptyParts); - if ((pathElements.isEmpty()) -#if (!defined(Q_OS_WIN) || defined(Q_OS_WINCE)) && !defined(Q_OS_SYMBIAN) - && QDir::fromNativeSeparators(longPath) != QLatin1String("/") -#endif - ) - return const_cast<QFileSystemModelPrivate::QFileSystemNode*>(&root); - QModelIndex index = QModelIndex(); // start with "My Computer" -#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) - if (absolutePath.startsWith(QLatin1String("//"))) { // UNC path - QString host = QLatin1String("\\\\") + pathElements.first(); - if (absolutePath == QDir::fromNativeSeparators(host)) - absolutePath.append(QLatin1Char('/')); - if (longPath.endsWith(QLatin1Char('/')) && !absolutePath.endsWith(QLatin1Char('/'))) - absolutePath.append(QLatin1Char('/')); - int r = 0; - QFileSystemModelPrivate::QFileSystemNode *rootNode = const_cast<QFileSystemModelPrivate::QFileSystemNode*>(&root); - if (!root.children.contains(host.toLower())) { - if (pathElements.count() == 1 && !absolutePath.endsWith(QLatin1Char('/'))) - return rootNode; - QFileInfo info(host); - if (!info.exists()) - return rootNode; - QFileSystemModelPrivate *p = const_cast<QFileSystemModelPrivate*>(this); - p->addNode(rootNode, host,info); - p->addVisibleFiles(rootNode, QStringList(host)); - } - r = rootNode->visibleLocation(host); - r = translateVisibleLocation(rootNode, r); - index = q->index(r, 0, QModelIndex()); - pathElements.pop_front(); - } else -#endif - -#if (defined(Q_OS_WIN) && !defined(Q_OS_WINCE)) || defined(Q_OS_SYMBIAN) - { - if (!pathElements.at(0).contains(QLatin1String(":"))) { - // The reason we express it like this instead of with anonymous, temporary - // variables, is to workaround a compiler crash with Q_CC_NOKIAX86. - QString rootPath = QDir(longPath).rootPath(); - pathElements.prepend(rootPath); - } - if (pathElements.at(0).endsWith(QLatin1Char('/'))) - pathElements[0].chop(1); - } -#else - // add the "/" item, since it is a valid path element on Unix - if (absolutePath[0] == QLatin1Char('/')) - pathElements.prepend(QLatin1String("/")); -#endif - - QFileSystemModelPrivate::QFileSystemNode *parent = node(index); - - for (int i = 0; i < pathElements.count(); ++i) { - QString element = pathElements.at(i); -#ifdef Q_OS_WIN - // On Windows, "filename......." and "filename" are equivalent Task #133928 - while (element.endsWith(QLatin1Char('.'))) - element.chop(1); -#endif - bool alreadyExisted = parent->children.contains(element); - - // we couldn't find the path element, we create a new node since we - // _know_ that the path is valid - if (alreadyExisted) { - if ((parent->children.count() == 0) - || (parent->caseSensitive() - && parent->children.value(element)->fileName != element) - || (!parent->caseSensitive() - && parent->children.value(element)->fileName.toLower() != element.toLower())) - alreadyExisted = false; - } - - QFileSystemModelPrivate::QFileSystemNode *node; - if (!alreadyExisted) { - // Someone might call ::index("file://cookie/monster/doesn't/like/veggies"), - // a path that doesn't exists, I.E. don't blindly create directories. - QFileInfo info(absolutePath); - if (!info.exists()) - return const_cast<QFileSystemModelPrivate::QFileSystemNode*>(&root); - QFileSystemModelPrivate *p = const_cast<QFileSystemModelPrivate*>(this); - node = p->addNode(parent, element,info); -#ifndef QT_NO_FILESYSTEMWATCHER - node->populate(fileInfoGatherer.getInfo(info)); -#endif - } else { - node = parent->children.value(element); - } - - Q_ASSERT(node); - if (!node->isVisible) { - // It has been filtered out - if (alreadyExisted && node->hasInformation() && !fetch) - return const_cast<QFileSystemModelPrivate::QFileSystemNode*>(&root); - - QFileSystemModelPrivate *p = const_cast<QFileSystemModelPrivate*>(this); - p->addVisibleFiles(parent, QStringList(element)); - if (!p->bypassFilters.contains(node)) - p->bypassFilters[node] = 1; - QString dir = q->filePath(this->index(parent)); - if (!node->hasInformation() && fetch) { - Fetching f; - f.dir = dir; - f.file = element; - f.node = node; - p->toFetch.append(f); - p->fetchingTimer.start(0, const_cast<QFileSystemModel*>(q)); - } - } - parent = node; - } - - return parent; -} - -/*! - \reimp -*/ -void QFileSystemModel::timerEvent(QTimerEvent *event) -{ - Q_D(QFileSystemModel); - if (event->timerId() == d->fetchingTimer.timerId()) { - d->fetchingTimer.stop(); -#ifndef QT_NO_FILESYSTEMWATCHER - for (int i = 0; i < d->toFetch.count(); ++i) { - const QFileSystemModelPrivate::QFileSystemNode *node = d->toFetch.at(i).node; - if (!node->hasInformation()) { - d->fileInfoGatherer.fetchExtendedInformation(d->toFetch.at(i).dir, - QStringList(d->toFetch.at(i).file)); - } else { - // qDebug() << "yah!, you saved a little gerbil soul"; - } - } -#endif - d->toFetch.clear(); - } -} - -/*! - Returns true if the model item \a index represents a directory; - otherwise returns false. -*/ -bool QFileSystemModel::isDir(const QModelIndex &index) const -{ - // This function is for public usage only because it could create a file info - Q_D(const QFileSystemModel); - if (!index.isValid()) - return true; - QFileSystemModelPrivate::QFileSystemNode *n = d->node(index); - if (n->hasInformation()) - return n->isDir(); - return fileInfo(index).isDir(); -} - -/*! - Returns the size in bytes of \a index. If the file does not exist, 0 is returned. - */ -qint64 QFileSystemModel::size(const QModelIndex &index) const -{ - Q_D(const QFileSystemModel); - if (!index.isValid()) - return 0; - return d->node(index)->size(); -} - -/*! - Returns the type of file \a index such as "Directory" or "JPEG file". - */ -QString QFileSystemModel::type(const QModelIndex &index) const -{ - Q_D(const QFileSystemModel); - if (!index.isValid()) - return QString(); - return d->node(index)->type(); -} - -/*! - Returns the date and time when \a index was last modified. - */ -QDateTime QFileSystemModel::lastModified(const QModelIndex &index) const -{ - Q_D(const QFileSystemModel); - if (!index.isValid()) - return QDateTime(); - return d->node(index)->lastModified(); -} - -/*! - \reimp -*/ -QModelIndex QFileSystemModel::parent(const QModelIndex &index) const -{ - Q_D(const QFileSystemModel); - if (!d->indexValid(index)) - return QModelIndex(); - - QFileSystemModelPrivate::QFileSystemNode *indexNode = d->node(index); - Q_ASSERT(indexNode != 0); - QFileSystemModelPrivate::QFileSystemNode *parentNode = (indexNode ? indexNode->parent : 0); - if (parentNode == 0 || parentNode == &d->root) - return QModelIndex(); - - // get the parent's row - QFileSystemModelPrivate::QFileSystemNode *grandParentNode = parentNode->parent; - Q_ASSERT(grandParentNode->children.contains(parentNode->fileName)); - int visualRow = d->translateVisibleLocation(grandParentNode, grandParentNode->visibleLocation(grandParentNode->children.value(parentNode->fileName)->fileName)); - if (visualRow == -1) - return QModelIndex(); - return createIndex(visualRow, 0, parentNode); -} - -/* - \internal - - return the index for node -*/ -QModelIndex QFileSystemModelPrivate::index(const QFileSystemModelPrivate::QFileSystemNode *node) const -{ - Q_Q(const QFileSystemModel); - QFileSystemModelPrivate::QFileSystemNode *parentNode = (node ? node->parent : 0); - if (node == &root || !parentNode) - return QModelIndex(); - - // get the parent's row - Q_ASSERT(node); - if (!node->isVisible) - return QModelIndex(); - - int visualRow = translateVisibleLocation(parentNode, parentNode->visibleLocation(node->fileName)); - return q->createIndex(visualRow, 0, const_cast<QFileSystemNode*>(node)); -} - -/*! - \reimp -*/ -bool QFileSystemModel::hasChildren(const QModelIndex &parent) const -{ - Q_D(const QFileSystemModel); - if (parent.column() > 0) - return false; - - if (!parent.isValid()) // drives - return true; - - const QFileSystemModelPrivate::QFileSystemNode *indexNode = d->node(parent); - Q_ASSERT(indexNode); - return (indexNode->isDir()); -} - -/*! - \reimp - */ -bool QFileSystemModel::canFetchMore(const QModelIndex &parent) const -{ - Q_D(const QFileSystemModel); - const QFileSystemModelPrivate::QFileSystemNode *indexNode = d->node(parent); - return (!indexNode->populatedChildren); -} - -/*! - \reimp - */ -void QFileSystemModel::fetchMore(const QModelIndex &parent) -{ - Q_D(QFileSystemModel); - if (!d->setRootPath) - return; - QFileSystemModelPrivate::QFileSystemNode *indexNode = d->node(parent); - if (indexNode->populatedChildren) - return; - indexNode->populatedChildren = true; - d->fileInfoGatherer.list(filePath(parent)); -} - -/*! - \reimp -*/ -int QFileSystemModel::rowCount(const QModelIndex &parent) const -{ - Q_D(const QFileSystemModel); - if (parent.column() > 0) - return 0; - - if (!parent.isValid()) - return d->root.visibleChildren.count(); - - const QFileSystemModelPrivate::QFileSystemNode *parentNode = d->node(parent); - return parentNode->visibleChildren.count(); -} - -/*! - \reimp -*/ -int QFileSystemModel::columnCount(const QModelIndex &parent) const -{ - return (parent.column() > 0) ? 0 : 4; -} - -/*! - Returns the data stored under the given \a role for the item "My Computer". - - \sa Qt::ItemDataRole - */ -QVariant QFileSystemModel::myComputer(int role) const -{ - Q_D(const QFileSystemModel); - switch (role) { - case Qt::DisplayRole: - return d->myComputer(); - case Qt::DecorationRole: - return d->fileInfoGatherer.iconProvider()->icon(QFileIconProvider::Computer); - } - return QVariant(); -} - -/*! - \reimp -*/ -QVariant QFileSystemModel::data(const QModelIndex &index, int role) const -{ - Q_D(const QFileSystemModel); - if (!index.isValid() || index.model() != this) - return QVariant(); - - switch (role) { - case Qt::EditRole: - case Qt::DisplayRole: - switch (index.column()) { - case 0: return d->displayName(index); - case 1: return d->size(index); - case 2: return d->type(index); - case 3: return d->time(index); - default: - qWarning("data: invalid display value column %d", index.column()); - break; - } - break; - case FilePathRole: - return filePath(index); - case FileNameRole: - return d->name(index); - case Qt::DecorationRole: - if (index.column() == 0) { - QIcon icon = d->icon(index); - if (icon.isNull()) { - if (d->node(index)->isDir()) - icon = d->fileInfoGatherer.iconProvider()->icon(QFileIconProvider::Folder); - else - icon = d->fileInfoGatherer.iconProvider()->icon(QFileIconProvider::File); - } - return icon; - } - break; - case Qt::TextAlignmentRole: - if (index.column() == 1) - return Qt::AlignRight; - break; - case FilePermissions: - int p = permissions(index); - return p; - } - - return QVariant(); -} - -/*! - \internal -*/ -QString QFileSystemModelPrivate::size(const QModelIndex &index) const -{ - if (!index.isValid()) - return QString(); - const QFileSystemNode *n = node(index); - if (n->isDir()) { -#ifdef Q_OS_MAC - return QLatin1String("--"); -#else - return QLatin1String(""); -#endif - // Windows - "" - // OS X - "--" - // Konqueror - "4 KB" - // Nautilus - "9 items" (the number of children) - } - return size(n->size()); -} - -QString QFileSystemModelPrivate::size(qint64 bytes) -{ - // According to the Si standard KB is 1000 bytes, KiB is 1024 - // but on windows sizes are calculated by dividing by 1024 so we do what they do. - const qint64 kb = 1024; - const qint64 mb = 1024 * kb; - const qint64 gb = 1024 * mb; - const qint64 tb = 1024 * gb; - if (bytes >= tb) - return QFileSystemModel::tr("%1 TB").arg(QLocale().toString(qreal(bytes) / tb, 'f', 3)); - if (bytes >= gb) - return QFileSystemModel::tr("%1 GB").arg(QLocale().toString(qreal(bytes) / gb, 'f', 2)); - if (bytes >= mb) - return QFileSystemModel::tr("%1 MB").arg(QLocale().toString(qreal(bytes) / mb, 'f', 1)); - if (bytes >= kb) - return QFileSystemModel::tr("%1 KB").arg(QLocale().toString(bytes / kb)); - return QFileSystemModel::tr("%1 bytes").arg(QLocale().toString(bytes)); -} - -/*! - \internal -*/ -QString QFileSystemModelPrivate::time(const QModelIndex &index) const -{ - if (!index.isValid()) - return QString(); -#ifndef QT_NO_DATESTRING - return node(index)->lastModified().toString(Qt::SystemLocaleDate); -#else - Q_UNUSED(index); - return QString(); -#endif -} - -/* - \internal -*/ -QString QFileSystemModelPrivate::type(const QModelIndex &index) const -{ - if (!index.isValid()) - return QString(); - return node(index)->type(); -} - -/*! - \internal -*/ -QString QFileSystemModelPrivate::name(const QModelIndex &index) const -{ - if (!index.isValid()) - return QString(); - QFileSystemNode *dirNode = node(index); - if (dirNode->isSymLink() && fileInfoGatherer.resolveSymlinks()) { - QString fullPath = QDir::fromNativeSeparators(filePath(index)); - if (resolvedSymLinks.contains(fullPath)) - return resolvedSymLinks[fullPath]; - } - return dirNode->fileName; -} - -/*! - \internal -*/ -QString QFileSystemModelPrivate::displayName(const QModelIndex &index) const -{ -#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) - QFileSystemNode *dirNode = node(index); - if (!dirNode->volumeName.isNull()) - return dirNode->volumeName + QLatin1String(" (") + name(index) + QLatin1Char(')'); -#endif - return name(index); -} - -/*! - \internal -*/ -QIcon QFileSystemModelPrivate::icon(const QModelIndex &index) const -{ - if (!index.isValid()) - return QIcon(); - return node(index)->icon(); -} - -/*! - \reimp -*/ -bool QFileSystemModel::setData(const QModelIndex &idx, const QVariant &value, int role) -{ - Q_D(QFileSystemModel); - if (!idx.isValid() - || idx.column() != 0 - || role != Qt::EditRole - || (flags(idx) & Qt::ItemIsEditable) == 0) { - return false; - } - - QString newName = value.toString(); - QString oldName = idx.data().toString(); - if (newName == idx.data().toString()) - return true; - - if (newName.isEmpty() - || newName.contains(QDir::separator()) - || !QDir(filePath(parent(idx))).rename(oldName, newName)) { -#ifndef QT_NO_MESSAGEBOX - QMessageBox::information(0, QFileSystemModel::tr("Invalid filename"), - QFileSystemModel::tr("<b>The name \"%1\" can not be used.</b><p>Try using another name, with fewer characters or no punctuations marks.") - .arg(newName), - QMessageBox::Ok); -#endif // QT_NO_MESSAGEBOX - return false; - } else { - /* - *After re-naming something we don't want the selection to change* - - can't remove rows and later insert - - can't quickly remove and insert - - index pointer can't change because treeview doesn't use persistant index's - - - if this get any more complicated think of changing it to just - use layoutChanged - */ - - QFileSystemModelPrivate::QFileSystemNode *indexNode = d->node(idx); - QFileSystemModelPrivate::QFileSystemNode *parentNode = indexNode->parent; - int visibleLocation = parentNode->visibleLocation(parentNode->children.value(indexNode->fileName)->fileName); - - d->addNode(parentNode, newName,indexNode->info->fileInfo()); - parentNode->visibleChildren.removeAt(visibleLocation); - QFileSystemModelPrivate::QFileSystemNode * oldValue = parentNode->children.value(oldName); - parentNode->children[newName] = oldValue; - QFileInfo info(d->rootDir, newName); - oldValue->fileName = newName; - oldValue->parent = parentNode; - oldValue->populate(d->fileInfoGatherer.getInfo(info)); - oldValue->isVisible = true; - - parentNode->children.remove(oldName); - parentNode->visibleChildren.insert(visibleLocation, newName); - - d->delayedSort(); - emit fileRenamed(filePath(idx.parent()), oldName, newName); - } - return true; -} - -/*! - \reimp -*/ -QVariant QFileSystemModel::headerData(int section, Qt::Orientation orientation, int role) const -{ - switch (role) { - case Qt::DecorationRole: - if (section == 0) { - // ### TODO oh man this is ugly and doesn't even work all the way! - // it is still 2 pixels off - QImage pixmap(16, 1, QImage::Format_Mono); - pixmap.fill(0); - pixmap.setAlphaChannel(pixmap.createAlphaMask()); - return pixmap; - } - break; - case Qt::TextAlignmentRole: - return Qt::AlignLeft; - } - - if (orientation != Qt::Horizontal || role != Qt::DisplayRole) - return QAbstractItemModel::headerData(section, orientation, role); - - QString returnValue; - switch (section) { - case 0: returnValue = tr("Name"); - break; - case 1: returnValue = tr("Size"); - break; - case 2: returnValue = -#ifdef Q_OS_MAC - tr("Kind", "Match OS X Finder"); -#else - tr("Type", "All other platforms"); -#endif - break; - // Windows - Type - // OS X - Kind - // Konqueror - File Type - // Nautilus - Type - case 3: returnValue = tr("Date Modified"); - break; - default: return QVariant(); - } - return returnValue; -} - -/*! - \reimp -*/ -Qt::ItemFlags QFileSystemModel::flags(const QModelIndex &index) const -{ - Q_D(const QFileSystemModel); - Qt::ItemFlags flags = QAbstractItemModel::flags(index); - if (!index.isValid()) - return flags; - - QFileSystemModelPrivate::QFileSystemNode *indexNode = d->node(index); - if (d->nameFilterDisables && !d->passNameFilters(indexNode)) { - flags &= ~Qt::ItemIsEnabled; - // ### TODO you shouldn't be able to set this as the current item, task 119433 - return flags; - } - - flags |= Qt::ItemIsDragEnabled; - if (d->readOnly) - return flags; - if ((index.column() == 0) && indexNode->permissions() & QFile::WriteUser) { - flags |= Qt::ItemIsEditable; - if (indexNode->isDir()) - flags |= Qt::ItemIsDropEnabled; - } - return flags; -} - -/*! - \internal -*/ -void QFileSystemModelPrivate::_q_performDelayedSort() -{ - Q_Q(QFileSystemModel); - q->sort(sortColumn, sortOrder); -} - -static inline QChar getNextChar(const QString &s, int location) -{ - return (location < s.length()) ? s.at(location) : QChar(); -} - -/*! - Natural number sort, skips spaces. - - Examples: - 1, 2, 10, 55, 100 - 01.jpg, 2.jpg, 10.jpg - - Note on the algorithm: - Only as many characters as necessary are looked at and at most they all - are looked at once. - - Slower then QString::compare() (of course) - */ -int QFileSystemModelPrivate::naturalCompare(const QString &s1, const QString &s2, Qt::CaseSensitivity cs) -{ - for (int l1 = 0, l2 = 0; l1 <= s1.count() && l2 <= s2.count(); ++l1, ++l2) { - // skip spaces, tabs and 0's - QChar c1 = getNextChar(s1, l1); - while (c1.isSpace()) - c1 = getNextChar(s1, ++l1); - QChar c2 = getNextChar(s2, l2); - while (c2.isSpace()) - c2 = getNextChar(s2, ++l2); - - if (c1.isDigit() && c2.isDigit()) { - while (c1.digitValue() == 0) - c1 = getNextChar(s1, ++l1); - while (c2.digitValue() == 0) - c2 = getNextChar(s2, ++l2); - - int lookAheadLocation1 = l1; - int lookAheadLocation2 = l2; - int currentReturnValue = 0; - // find the last digit, setting currentReturnValue as we go if it isn't equal - for ( - QChar lookAhead1 = c1, lookAhead2 = c2; - (lookAheadLocation1 <= s1.length() && lookAheadLocation2 <= s2.length()); - lookAhead1 = getNextChar(s1, ++lookAheadLocation1), - lookAhead2 = getNextChar(s2, ++lookAheadLocation2) - ) { - bool is1ADigit = !lookAhead1.isNull() && lookAhead1.isDigit(); - bool is2ADigit = !lookAhead2.isNull() && lookAhead2.isDigit(); - if (!is1ADigit && !is2ADigit) - break; - if (!is1ADigit) - return -1; - if (!is2ADigit) - return 1; - if (currentReturnValue == 0) { - if (lookAhead1 < lookAhead2) { - currentReturnValue = -1; - } else if (lookAhead1 > lookAhead2) { - currentReturnValue = 1; - } - } - } - if (currentReturnValue != 0) - return currentReturnValue; - } - - if (cs == Qt::CaseInsensitive) { - if (!c1.isLower()) c1 = c1.toLower(); - if (!c2.isLower()) c2 = c2.toLower(); - } - int r = QString::localeAwareCompare(c1, c2); - if (r < 0) - return -1; - if (r > 0) - return 1; - } - // The two strings are the same (02 == 2) so fall back to the normal sort - return QString::compare(s1, s2, cs); -} - -/* - \internal - Helper functor used by sort() -*/ -class QFileSystemModelSorter -{ -public: - inline QFileSystemModelSorter(int column) : sortColumn(column) {} - - bool compareNodes(const QFileSystemModelPrivate::QFileSystemNode *l, - const QFileSystemModelPrivate::QFileSystemNode *r) const - { - switch (sortColumn) { - case 0: { -#ifndef Q_OS_MAC - // place directories before files - bool left = l->isDir(); - bool right = r->isDir(); - if (left ^ right) - return left; -#endif - return QFileSystemModelPrivate::naturalCompare(l->fileName, - r->fileName, Qt::CaseInsensitive) < 0; - } - case 1: - // Directories go first - if (l->isDir() && !r->isDir()) - return true; - return l->size() < r->size(); - case 2: - return l->type() < r->type(); - case 3: - return l->lastModified() < r->lastModified(); - } - Q_ASSERT(false); - return false; - } - - bool operator()(const QPair<QFileSystemModelPrivate::QFileSystemNode*, int> &l, - const QPair<QFileSystemModelPrivate::QFileSystemNode*, int> &r) const - { - return compareNodes(l.first, r.first); - } - - -private: - int sortColumn; -}; - -/* - \internal - - Sort all of the children of parent -*/ -void QFileSystemModelPrivate::sortChildren(int column, const QModelIndex &parent) -{ - Q_Q(QFileSystemModel); - QFileSystemModelPrivate::QFileSystemNode *indexNode = node(parent); - if (indexNode->children.count() == 0) - return; - - QList<QPair<QFileSystemModelPrivate::QFileSystemNode*, int> > values; - QHash<QString, QFileSystemNode *>::const_iterator iterator; - int i = 0; - for(iterator = indexNode->children.begin() ; iterator != indexNode->children.end() ; ++iterator) { - if (filtersAcceptsNode(iterator.value())) { - values.append(QPair<QFileSystemModelPrivate::QFileSystemNode*, int>((iterator.value()), i)); - } else { - iterator.value()->isVisible = false; - } - i++; - } - QFileSystemModelSorter ms(column); - qStableSort(values.begin(), values.end(), ms); - // First update the new visible list - indexNode->visibleChildren.clear(); - //No more dirty item we reset our internal dirty index - indexNode->dirtyChildrenIndex = -1; - for (int i = 0; i < values.count(); ++i) { - indexNode->visibleChildren.append(values.at(i).first->fileName); - values.at(i).first->isVisible = true; - } - - if (!disableRecursiveSort) { - for (int i = 0; i < q->rowCount(parent); ++i) { - const QModelIndex childIndex = q->index(i, 0, parent); - QFileSystemModelPrivate::QFileSystemNode *indexNode = node(childIndex); - //Only do a recursive sort on visible nodes - if (indexNode->isVisible) - sortChildren(column, childIndex); - } - } -} - -/*! - \reimp -*/ -void QFileSystemModel::sort(int column, Qt::SortOrder order) -{ - Q_D(QFileSystemModel); - if (d->sortOrder == order && d->sortColumn == column && !d->forceSort) - return; - - emit layoutAboutToBeChanged(); - QModelIndexList oldList = persistentIndexList(); - QList<QPair<QFileSystemModelPrivate::QFileSystemNode*, int> > oldNodes; - for (int i = 0; i < oldList.count(); ++i) { - QPair<QFileSystemModelPrivate::QFileSystemNode*, int> pair(d->node(oldList.at(i)), oldList.at(i).column()); - oldNodes.append(pair); - } - - if (!(d->sortColumn == column && d->sortOrder != order && !d->forceSort)) { - //we sort only from where we are, don't need to sort all the model - d->sortChildren(column, index(rootPath())); - d->sortColumn = column; - d->forceSort = false; - } - d->sortOrder = order; - - QModelIndexList newList; - for (int i = 0; i < oldNodes.count(); ++i) { - QModelIndex idx = d->index(oldNodes.at(i).first); - idx = idx.sibling(idx.row(), oldNodes.at(i).second); - newList.append(idx); - } - changePersistentIndexList(oldList, newList); - emit layoutChanged(); -} - -/*! - Returns a list of MIME types that can be used to describe a list of items - in the model. -*/ -QStringList QFileSystemModel::mimeTypes() const -{ - return QStringList(QLatin1String("text/uri-list")); -} - -/*! - Returns an object that contains a serialized description of the specified - \a indexes. The format used to describe the items corresponding to the - indexes is obtained from the mimeTypes() function. - - If the list of indexes is empty, 0 is returned rather than a serialized - empty list. -*/ -QMimeData *QFileSystemModel::mimeData(const QModelIndexList &indexes) const -{ - QList<QUrl> urls; - QList<QModelIndex>::const_iterator it = indexes.begin(); - for (; it != indexes.end(); ++it) - if ((*it).column() == 0) - urls << QUrl::fromLocalFile(filePath(*it)); - QMimeData *data = new QMimeData(); - data->setUrls(urls); - return data; -} - -/*! - Handles the \a data supplied by a drag and drop operation that ended with - the given \a action over the row in the model specified by the \a row and - \a column and by the \a parent index. - - \sa supportedDropActions() -*/ -bool QFileSystemModel::dropMimeData(const QMimeData *data, Qt::DropAction action, - int row, int column, const QModelIndex &parent) -{ - Q_UNUSED(row); - Q_UNUSED(column); - if (!parent.isValid() || isReadOnly()) - return false; - - bool success = true; - QString to = filePath(parent) + QDir::separator(); - - QList<QUrl> urls = data->urls(); - QList<QUrl>::const_iterator it = urls.constBegin(); - - switch (action) { - case Qt::CopyAction: - for (; it != urls.constEnd(); ++it) { - QString path = (*it).toLocalFile(); - success = QFile::copy(path, to + QFileInfo(path).fileName()) && success; - } - break; - case Qt::LinkAction: - for (; it != urls.constEnd(); ++it) { - QString path = (*it).toLocalFile(); - success = QFile::link(path, to + QFileInfo(path).fileName()) && success; - } - break; - case Qt::MoveAction: - for (; it != urls.constEnd(); ++it) { - QString path = (*it).toLocalFile(); - success = QFile::rename(path, to + QFileInfo(path).fileName()) && success; - } - break; - default: - return false; - } - - return success; -} - -/*! - \reimp -*/ -Qt::DropActions QFileSystemModel::supportedDropActions() const -{ - return Qt::CopyAction | Qt::MoveAction | Qt::LinkAction; -} - -/*! - Returns the path of the item stored in the model under the - \a index given. -*/ -QString QFileSystemModel::filePath(const QModelIndex &index) const -{ - Q_D(const QFileSystemModel); - QString fullPath = d->filePath(index); - QFileSystemModelPrivate::QFileSystemNode *dirNode = d->node(index); - if (dirNode->isSymLink() && d->fileInfoGatherer.resolveSymlinks() - && d->resolvedSymLinks.contains(fullPath) - && dirNode->isDir()) { - QFileInfo resolvedInfo(fullPath); - resolvedInfo = resolvedInfo.canonicalFilePath(); - if (resolvedInfo.exists()) - return resolvedInfo.filePath(); - } - return fullPath; -} - -QString QFileSystemModelPrivate::filePath(const QModelIndex &index) const -{ - Q_Q(const QFileSystemModel); - Q_UNUSED(q); - if (!index.isValid()) - return QString(); - Q_ASSERT(index.model() == q); - - QStringList path; - QModelIndex idx = index; - while (idx.isValid()) { - QFileSystemModelPrivate::QFileSystemNode *dirNode = node(idx); - if (dirNode) - path.prepend(dirNode->fileName); - idx = idx.parent(); - } - QString fullPath = QDir::fromNativeSeparators(path.join(QDir::separator())); -#if !defined(Q_OS_WIN) || defined(Q_OS_WINCE) - if ((fullPath.length() > 2) && fullPath[0] == QLatin1Char('/') && fullPath[1] == QLatin1Char('/')) - fullPath = fullPath.mid(1); -#endif -#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN) - if (fullPath.length() == 2 && fullPath.endsWith(QLatin1Char(':'))) - fullPath.append(QLatin1Char('/')); -#endif - return fullPath; -} - -/*! - Create a directory with the \a name in the \a parent model index. -*/ -QModelIndex QFileSystemModel::mkdir(const QModelIndex &parent, const QString &name) -{ - Q_D(QFileSystemModel); - if (!parent.isValid()) - return parent; - - QDir dir(filePath(parent)); - if (!dir.mkdir(name)) - return QModelIndex(); - QFileSystemModelPrivate::QFileSystemNode *parentNode = d->node(parent); - d->addNode(parentNode, name, QFileInfo()); - Q_ASSERT(parentNode->children.contains(name)); - QFileSystemModelPrivate::QFileSystemNode *node = parentNode->children[name]; - node->populate(d->fileInfoGatherer.getInfo(QFileInfo(dir.absolutePath() + QDir::separator() + name))); - d->addVisibleFiles(parentNode, QStringList(name)); - return d->index(node); -} - -/*! - Returns the complete OR-ed together combination of QFile::Permission for the \a index. - */ -QFile::Permissions QFileSystemModel::permissions(const QModelIndex &index) const -{ - Q_D(const QFileSystemModel); - QFile::Permissions p = d->node(index)->permissions(); - if (d->readOnly) { - p ^= (QFile::WriteOwner | QFile::WriteUser - | QFile::WriteGroup | QFile::WriteOther); - } - return p; -} - -/*! - Sets the directory that is being watched by the model to \a newPath by - installing a \l{QFileSystemWatcher}{file system watcher} on it. Any - changes to files and directories within this directory will be - reflected in the model. - - If the path is changed, the rootPathChanged() signal will be emitted. - - \note This function does not change the structure of the model or - modify the data available to views. In other words, the "root" of - the model is \e not changed to include only files and directories - within the directory specified by \a newPath in the file system. - */ -QModelIndex QFileSystemModel::setRootPath(const QString &newPath) -{ - Q_D(QFileSystemModel); -#ifdef Q_OS_WIN -#ifdef Q_OS_WIN32 - QString longNewPath = qt_GetLongPathName(newPath); -#else - QString longNewPath = QDir::fromNativeSeparators(newPath); -#endif -#else - QString longNewPath = newPath; -#endif - QDir newPathDir(longNewPath); - //we remove .. and . from the given path if exist - if (!newPath.isEmpty()) { - longNewPath = QDir::cleanPath(longNewPath); - newPathDir.setPath(longNewPath); - } - - d->setRootPath = true; - - //user don't ask for the root path ("") but the conversion failed - if (!newPath.isEmpty() && longNewPath.isEmpty()) - return d->index(rootPath()); - - if (d->rootDir.path() == longNewPath) - return d->index(rootPath()); - - bool showDrives = (longNewPath.isEmpty() || longNewPath == d->myComputer()); - if (!showDrives && !newPathDir.exists()) - return d->index(rootPath()); - - //We remove the watcher on the previous path - if (!rootPath().isEmpty() && rootPath() != QLatin1String(".")) { - //This remove the watcher for the old rootPath - d->fileInfoGatherer.removePath(rootPath()); - //This line "marks" the node as dirty, so the next fetchMore - //call on the path will ask the gatherer to install a watcher again - //But it doesn't re-fetch everything - d->node(rootPath())->populatedChildren = false; - } - - // We have a new valid root path - d->rootDir = newPathDir; - QModelIndex newRootIndex; - if (showDrives) { - // otherwise dir will become '.' - d->rootDir.setPath(QLatin1String("")); - } else { - newRootIndex = d->index(newPathDir.path()); - } - fetchMore(newRootIndex); - emit rootPathChanged(longNewPath); - d->forceSort = true; - d->delayedSort(); - return newRootIndex; -} - -/*! - The currently set root path - - \sa rootDirectory() -*/ -QString QFileSystemModel::rootPath() const -{ - Q_D(const QFileSystemModel); - return d->rootDir.path(); -} - -/*! - The currently set directory - - \sa rootPath() -*/ -QDir QFileSystemModel::rootDirectory() const -{ - Q_D(const QFileSystemModel); - QDir dir(d->rootDir); - dir.setNameFilters(nameFilters()); - dir.setFilter(filter()); - return dir; -} - -/*! - Sets the \a provider of file icons for the directory model. -*/ -void QFileSystemModel::setIconProvider(QFileIconProvider *provider) -{ - Q_D(QFileSystemModel); - d->fileInfoGatherer.setIconProvider(provider); - d->root.updateIcon(provider, QString()); -} - -/*! - Returns the file icon provider for this directory model. -*/ -QFileIconProvider *QFileSystemModel::iconProvider() const -{ - Q_D(const QFileSystemModel); - return d->fileInfoGatherer.iconProvider(); -} - -/*! - Sets the directory model's filter to that specified by \a filters. - - Note that the filter you set should always include the QDir::AllDirs enum value, - otherwise QFileSystemModel won't be able to read the directory structure. - - \sa QDir::Filters -*/ -void QFileSystemModel::setFilter(QDir::Filters filters) -{ - Q_D(QFileSystemModel); - if (d->filters == filters) - return; - d->filters = filters; - // CaseSensitivity might have changed - setNameFilters(nameFilters()); - d->forceSort = true; - d->delayedSort(); -} - -/*! - Returns the filter specified for the directory model. - - If a filter has not been set, the default filter is QDir::AllEntries | - QDir::NoDotAndDotDot | QDir::AllDirs. - - \sa QDir::Filters -*/ -QDir::Filters QFileSystemModel::filter() const -{ - Q_D(const QFileSystemModel); - return d->filters; -} - -/*! - \property QFileSystemModel::resolveSymlinks - \brief Whether the directory model should resolve symbolic links - - This is only relevant on operating systems that support symbolic links. - - By default, this property is false. -*/ -void QFileSystemModel::setResolveSymlinks(bool enable) -{ - Q_D(QFileSystemModel); - d->fileInfoGatherer.setResolveSymlinks(enable); -} - -bool QFileSystemModel::resolveSymlinks() const -{ - Q_D(const QFileSystemModel); - return d->fileInfoGatherer.resolveSymlinks(); -} - -/*! - \property QFileSystemModel::readOnly - \brief Whether the directory model allows writing to the file system - - If this property is set to false, the directory model will allow renaming, copying - and deleting of files and directories. - - This property is true by default -*/ -void QFileSystemModel::setReadOnly(bool enable) -{ - Q_D(QFileSystemModel); - d->readOnly = enable; -} - -bool QFileSystemModel::isReadOnly() const -{ - Q_D(const QFileSystemModel); - return d->readOnly; -} - -/*! - \property QFileSystemModel::nameFilterDisables - \brief Whether files that don't pass the name filter are hidden or disabled - - This property is true by default -*/ -void QFileSystemModel::setNameFilterDisables(bool enable) -{ - Q_D(QFileSystemModel); - if (d->nameFilterDisables == enable) - return; - d->nameFilterDisables = enable; - d->forceSort = true; - d->delayedSort(); -} - -bool QFileSystemModel::nameFilterDisables() const -{ - Q_D(const QFileSystemModel); - return d->nameFilterDisables; -} - -/*! - Sets the name \a filters to apply against the existing files. -*/ -void QFileSystemModel::setNameFilters(const QStringList &filters) -{ - // Prep the regexp's ahead of time -#ifndef QT_NO_REGEXP - Q_D(QFileSystemModel); - - if (!d->bypassFilters.isEmpty()) { - // update the bypass filter to only bypass the stuff that must be kept around - d->bypassFilters.clear(); - // We guarantee that rootPath will stick around - QPersistentModelIndex root(index(rootPath())); - QModelIndexList persistantList = persistentIndexList(); - for (int i = 0; i < persistantList.count(); ++i) { - QFileSystemModelPrivate::QFileSystemNode *node; - node = d->node(persistantList.at(i)); - while (node) { - if (d->bypassFilters.contains(node)) - break; - if (node->isDir()) - d->bypassFilters[node] = true; - node = node->parent; - } - } - } - - d->nameFilters.clear(); - const Qt::CaseSensitivity caseSensitive = - (filter() & QDir::CaseSensitive) ? Qt::CaseSensitive : Qt::CaseInsensitive; - for (int i = 0; i < filters.size(); ++i) { - d->nameFilters << QRegExp(filters.at(i), caseSensitive, QRegExp::Wildcard); - } - d->forceSort = true; - d->delayedSort(); -#endif -} - -/*! - Returns a list of filters applied to the names in the model. -*/ -QStringList QFileSystemModel::nameFilters() const -{ - Q_D(const QFileSystemModel); - QStringList filters; -#ifndef QT_NO_REGEXP - for (int i = 0; i < d->nameFilters.size(); ++i) { - filters << d->nameFilters.at(i).pattern(); - } -#endif - return filters; -} - -/*! - \reimp -*/ -bool QFileSystemModel::event(QEvent *event) -{ - Q_D(QFileSystemModel); - if (event->type() == QEvent::LanguageChange) { - d->root.retranslateStrings(d->fileInfoGatherer.iconProvider(), QString()); - return true; - } - return QAbstractItemModel::event(event); -} - -bool QFileSystemModel::rmdir(const QModelIndex &aindex) const -{ - QString path = filePath(aindex); - QFileSystemModelPrivate * d = const_cast<QFileSystemModelPrivate*>(d_func()); - d->fileInfoGatherer.removePath(path); - return QDir().rmdir(path); -} - -/*! - \internal - - Performed quick listing and see if any files have been added or removed, - then fetch more information on visible files. - */ -void QFileSystemModelPrivate::_q_directoryChanged(const QString &directory, const QStringList &files) -{ - QFileSystemModelPrivate::QFileSystemNode *parentNode = node(directory, false); - if (parentNode->children.count() == 0) - return; - QStringList toRemove; -#if defined(Q_OS_SYMBIAN) - // Filename case must be exact in qBinaryFind below, so create a list of all lowercase names. - QStringList newFiles; - for(int i = 0; i < files.size(); i++) { - newFiles << files.at(i).toLower(); - } -#else - QStringList newFiles = files; -#endif - qSort(newFiles.begin(), newFiles.end()); - QHash<QString, QFileSystemNode*>::const_iterator i = parentNode->children.constBegin(); - while (i != parentNode->children.constEnd()) { - QStringList::iterator iterator; - iterator = qBinaryFind(newFiles.begin(), newFiles.end(), -#if defined(Q_OS_SYMBIAN) - i.value()->fileName.toLower()); -#else - i.value()->fileName); -#endif - if (iterator == newFiles.end()) { - toRemove.append(i.value()->fileName); - } - ++i; - } - for (int i = 0 ; i < toRemove.count() ; ++i ) - removeNode(parentNode, toRemove[i]); -} - -/*! - \internal - - Adds a new file to the children of parentNode - - *WARNING* this will change the count of children -*/ -QFileSystemModelPrivate::QFileSystemNode* QFileSystemModelPrivate::addNode(QFileSystemNode *parentNode, const QString &fileName, const QFileInfo& info) -{ - // In the common case, itemLocation == count() so check there first - QFileSystemModelPrivate::QFileSystemNode *node = new QFileSystemModelPrivate::QFileSystemNode(fileName, parentNode); -#ifndef QT_NO_FILESYSTEMWATCHER - node->populate(info); -#endif -#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) - //The parentNode is "" so we are listing the drives - if (parentNode->fileName.isEmpty()) { - wchar_t name[MAX_PATH + 1]; - //GetVolumeInformation requires to add trailing backslash - const QString nodeName = fileName + QLatin1String("\\"); - BOOL success = ::GetVolumeInformation((wchar_t *)(nodeName.utf16()), - name, MAX_PATH + 1, NULL, 0, NULL, NULL, 0); - if (success && name[0]) - node->volumeName = QString::fromWCharArray(name); - } -#endif - parentNode->children.insert(fileName, node); - return node; -} - -/*! - \internal - - File at parentNode->children(itemLocation) has been removed, remove from the lists - and emit signals if necessary - - *WARNING* this will change the count of children and could change visibleChildren - */ -void QFileSystemModelPrivate::removeNode(QFileSystemModelPrivate::QFileSystemNode *parentNode, const QString& name) -{ - Q_Q(QFileSystemModel); - QModelIndex parent = index(parentNode); - bool indexHidden = isHiddenByFilter(parentNode, parent); - - int vLocation = parentNode->visibleLocation(name); - if (vLocation >= 0 && !indexHidden) - q->beginRemoveRows(parent, translateVisibleLocation(parentNode, vLocation), - translateVisibleLocation(parentNode, vLocation)); - QFileSystemNode * node = parentNode->children.take(name); - delete node; - // cleanup sort files after removing rather then re-sorting which is O(n) - if (vLocation >= 0) - parentNode->visibleChildren.removeAt(vLocation); - if (vLocation >= 0 && !indexHidden) - q->endRemoveRows(); -} - -/* - \internal - Helper functor used by addVisibleFiles() -*/ -class QFileSystemModelVisibleFinder -{ -public: - inline QFileSystemModelVisibleFinder(QFileSystemModelPrivate::QFileSystemNode *node, QFileSystemModelSorter *sorter) : parentNode(node), sorter(sorter) {} - - bool operator()(const QString &, QString r) const - { - return sorter->compareNodes(parentNode->children.value(name), parentNode->children.value(r)); - } - - QString name; -private: - QFileSystemModelPrivate::QFileSystemNode *parentNode; - QFileSystemModelSorter *sorter; -}; - -/*! - \internal - - File at parentNode->children(itemLocation) was not visible before, but now should be - and emit signals if necessary. - - *WARNING* this will change the visible count - */ -void QFileSystemModelPrivate::addVisibleFiles(QFileSystemNode *parentNode, const QStringList &newFiles) -{ - Q_Q(QFileSystemModel); - QModelIndex parent = index(parentNode); - bool indexHidden = isHiddenByFilter(parentNode, parent); - if (!indexHidden) { - q->beginInsertRows(parent, parentNode->visibleChildren.count() , parentNode->visibleChildren.count() + newFiles.count() - 1); - } - - if (parentNode->dirtyChildrenIndex == -1) - parentNode->dirtyChildrenIndex = parentNode->visibleChildren.count(); - - for (int i = 0; i < newFiles.count(); ++i) { - parentNode->visibleChildren.append(newFiles.at(i)); - parentNode->children[newFiles.at(i)]->isVisible = true; - } - if (!indexHidden) - q->endInsertRows(); -} - -/*! - \internal - - File was visible before, but now should NOT be - - *WARNING* this will change the visible count - */ -void QFileSystemModelPrivate::removeVisibleFile(QFileSystemNode *parentNode, int vLocation) -{ - Q_Q(QFileSystemModel); - if (vLocation == -1) - return; - QModelIndex parent = index(parentNode); - bool indexHidden = isHiddenByFilter(parentNode, parent); - if (!indexHidden) - q->beginRemoveRows(parent, translateVisibleLocation(parentNode, vLocation), - translateVisibleLocation(parentNode, vLocation)); - parentNode->children[parentNode->visibleChildren.at(vLocation)]->isVisible = false; - parentNode->visibleChildren.removeAt(vLocation); - if (!indexHidden) - q->endRemoveRows(); -} - -/*! - \internal - - The thread has received new information about files, - update and emit dataChanged if it has actually changed. - */ -void QFileSystemModelPrivate::_q_fileSystemChanged(const QString &path, const QList<QPair<QString, QFileInfo> > &updates) -{ - Q_Q(QFileSystemModel); - QVector<QString> rowsToUpdate; - QStringList newFiles; - QFileSystemModelPrivate::QFileSystemNode *parentNode = node(path, false); - QModelIndex parentIndex = index(parentNode); - for (int i = 0; i < updates.count(); ++i) { - QString fileName = updates.at(i).first; - Q_ASSERT(!fileName.isEmpty()); - QExtendedInformation info = fileInfoGatherer.getInfo(updates.at(i).second); - bool previouslyHere = parentNode->children.contains(fileName); - if (!previouslyHere) { - addNode(parentNode, fileName, info.fileInfo()); - } - QFileSystemModelPrivate::QFileSystemNode * node = parentNode->children.value(fileName); - bool isCaseSensitive = parentNode->caseSensitive(); - if (isCaseSensitive) { - if (node->fileName != fileName) - continue; - } else { - if (QString::compare(node->fileName,fileName,Qt::CaseInsensitive) != 0) - continue; - } - if (isCaseSensitive) { - Q_ASSERT(node->fileName == fileName); - } else { - node->fileName = fileName; - } - - if (info.size() == -1 && !info.isSymLink()) { - removeNode(parentNode, fileName); - continue; - } - if (*node != info ) { - node->populate(info); - bypassFilters.remove(node); - // brand new information. - if (filtersAcceptsNode(node)) { - if (!node->isVisible) { - newFiles.append(fileName); - } else { - rowsToUpdate.append(fileName); - } - } else { - if (node->isVisible) { - int visibleLocation = parentNode->visibleLocation(fileName); - removeVisibleFile(parentNode, visibleLocation); - } else { - // The file is not visible, don't do anything - } - } - } - } - - // bundle up all of the changed signals into as few as possible. - qSort(rowsToUpdate.begin(), rowsToUpdate.end()); - QString min; - QString max; - for (int i = 0; i < rowsToUpdate.count(); ++i) { - QString value = rowsToUpdate.at(i); - //##TODO is there a way to bundle signals with QString as the content of the list? - /*if (min.isEmpty()) { - min = value; - if (i != rowsToUpdate.count() - 1) - continue; - } - if (i != rowsToUpdate.count() - 1) { - if ((value == min + 1 && max.isEmpty()) || value == max + 1) { - max = value; - continue; - } - }*/ - max = value; - min = value; - int visibleMin = parentNode->visibleLocation(min); - int visibleMax = parentNode->visibleLocation(max); - if (visibleMin >= 0 - && visibleMin < parentNode->visibleChildren.count() - && parentNode->visibleChildren.at(visibleMin) == min - && visibleMax >= 0) { - QModelIndex bottom = q->index(translateVisibleLocation(parentNode, visibleMin), 0, parentIndex); - QModelIndex top = q->index(translateVisibleLocation(parentNode, visibleMax), 3, parentIndex); - emit q->dataChanged(bottom, top); - } - - /*min = QString(); - max = QString();*/ - } - - if (newFiles.count() > 0) { - addVisibleFiles(parentNode, newFiles); - } - - if (newFiles.count() > 0 || (sortColumn != 0 && rowsToUpdate.count() > 0)) { - forceSort = true; - delayedSort(); - } -} - -/*! - \internal -*/ -void QFileSystemModelPrivate::_q_resolvedName(const QString &fileName, const QString &resolvedName) -{ - resolvedSymLinks[fileName] = resolvedName; -} - -/*! - \internal -*/ -void QFileSystemModelPrivate::init() -{ - Q_Q(QFileSystemModel); - qRegisterMetaType<QList<QPair<QString,QFileInfo> > >("QList<QPair<QString,QFileInfo> >"); - q->connect(&fileInfoGatherer, SIGNAL(newListOfFiles(QString,QStringList)), - q, SLOT(_q_directoryChanged(QString,QStringList))); - q->connect(&fileInfoGatherer, SIGNAL(updates(QString,QList<QPair<QString,QFileInfo> >)), - q, SLOT(_q_fileSystemChanged(QString,QList<QPair<QString,QFileInfo> >))); - q->connect(&fileInfoGatherer, SIGNAL(nameResolved(QString,QString)), - q, SLOT(_q_resolvedName(QString,QString))); - q->connect(&fileInfoGatherer, SIGNAL(directoryLoaded(QString)), - q, SIGNAL(directoryLoaded(QString))); - q->connect(&delayedSortTimer, SIGNAL(timeout()), q, SLOT(_q_performDelayedSort()), Qt::QueuedConnection); - - QHash<int, QByteArray> roles = q->roleNames(); - roles.insertMulti(QFileSystemModel::FileIconRole, "fileIcon"); // == Qt::decoration - roles.insert(QFileSystemModel::FilePathRole, "filePath"); - roles.insert(QFileSystemModel::FileNameRole, "fileName"); - roles.insert(QFileSystemModel::FilePermissions, "filePermissions"); - q->setRoleNames(roles); -} - -/*! - \internal - - Returns false if node doesn't pass the filters otherwise true - - QDir::Modified is not supported - QDir::Drives is not supported -*/ -bool QFileSystemModelPrivate::filtersAcceptsNode(const QFileSystemNode *node) const -{ - // always accept drives - if (node->parent == &root || bypassFilters.contains(node)) - return true; - - // If we don't know anything yet don't accept it - if (!node->hasInformation()) - return false; - - const bool filterPermissions = ((filters & QDir::PermissionMask) - && (filters & QDir::PermissionMask) != QDir::PermissionMask); - const bool hideDirs = !(filters & (QDir::Dirs | QDir::AllDirs)); - const bool hideFiles = !(filters & QDir::Files); - const bool hideReadable = !(!filterPermissions || (filters & QDir::Readable)); - const bool hideWritable = !(!filterPermissions || (filters & QDir::Writable)); - const bool hideExecutable = !(!filterPermissions || (filters & QDir::Executable)); - const bool hideHidden = !(filters & QDir::Hidden); - const bool hideSystem = !(filters & QDir::System); - const bool hideSymlinks = (filters & QDir::NoSymLinks); - const bool hideDotAndDotDot = (filters & QDir::NoDotAndDotDot); - - // Note that we match the behavior of entryList and not QFileInfo on this and this - // incompatibility won't be fixed until Qt 5 at least - bool isDotOrDot = ( (node->fileName == QLatin1String(".") - || node->fileName == QLatin1String(".."))); - if ( (hideHidden && (!isDotOrDot && node->isHidden())) - || (hideSystem && node->isSystem()) - || (hideDirs && node->isDir()) - || (hideFiles && node->isFile()) - || (hideSymlinks && node->isSymLink()) - || (hideReadable && node->isReadable()) - || (hideWritable && node->isWritable()) - || (hideExecutable && node->isExecutable()) - || (hideDotAndDotDot && isDotOrDot)) - return false; - - return nameFilterDisables || passNameFilters(node); -} - -/* - \internal - - Returns true if node passes the name filters and should be visible. - */ -bool QFileSystemModelPrivate::passNameFilters(const QFileSystemNode *node) const -{ -#ifndef QT_NO_REGEXP - if (nameFilters.isEmpty()) - return true; - - // Check the name regularexpression filters - if (!(node->isDir() && (filters & QDir::AllDirs))) { - for (int i = 0; i < nameFilters.size(); ++i) { - if (nameFilters.at(i).exactMatch(node->fileName)) - return true; - } - return false; - } -#endif - return true; -} - -QT_END_NAMESPACE - -#include "moc_qfilesystemmodel.cpp" - -#endif // QT_NO_FILESYSTEMMODEL |