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-/****************************************************************************
-**
-** 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.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QFILESYSTEMMODEL_P_H
-#define QFILESYSTEMMODEL_P_H
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include "qfilesystemmodel.h"
-
-#ifndef QT_NO_FILESYSTEMMODEL
-
-#include <private/qabstractitemmodel_p.h>
-#include <qabstractitemmodel.h>
-#include "qfileinfogatherer_p.h"
-#include <qpair.h>
-#include <qdir.h>
-#include <qicon.h>
-#include <qdir.h>
-#include <qicon.h>
-#include <qfileinfo.h>
-#include <qtimer.h>
-#include <qhash.h>
-
-QT_BEGIN_NAMESPACE
-
-class ExtendedInformation;
-class QFileSystemModelPrivate;
-class QFileIconProvider;
-
-class Q_AUTOTEST_EXPORT QFileSystemModelPrivate : public QAbstractItemModelPrivate
-{
- Q_DECLARE_PUBLIC(QFileSystemModel)
-
-public:
- class QFileSystemNode
- {
- public:
- QFileSystemNode(const QString &filename = QString(), QFileSystemNode *p = 0)
- : fileName(filename), populatedChildren(false), isVisible(false), dirtyChildrenIndex(-1), parent(p), info(0) {}
- ~QFileSystemNode() {
- QHash<QString, QFileSystemNode*>::const_iterator i = children.constBegin();
- while (i != children.constEnd()) {
- delete i.value();
- ++i;
- }
- delete info;
- info = 0;
- parent = 0;
- }
-
- QString fileName;
-#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
- QString volumeName;
-#endif
-
- inline qint64 size() const { if (info && !info->isDir()) return info->size(); return 0; }
- inline QString type() const { if (info) return info->displayType; return QLatin1String(""); }
- inline QDateTime lastModified() const { if (info) return info->lastModified(); return QDateTime(); }
- inline QFile::Permissions permissions() const { if (info) return info->permissions(); return 0; }
- inline bool isReadable() const { return ((permissions() & QFile::ReadUser) != 0); }
- inline bool isWritable() const { return ((permissions() & QFile::WriteUser) != 0); }
- inline bool isExecutable() const { return ((permissions() & QFile::ExeUser) != 0); }
- inline bool isDir() const {
- if (info)
- return info->isDir();
- if (children.count() > 0)
- return true;
- return false;
- }
- inline bool isFile() const { if (info) return info->isFile(); return true; }
- inline bool isSystem() const { if (info) return info->isSystem(); return true; }
- inline bool isHidden() const { if (info) return info->isHidden(); return false; }
- inline bool isSymLink() const { if (info) return info->isSymLink(); return false; }
- inline bool caseSensitive() const { if (info) return info->isCaseSensitive(); return false; }
- inline QIcon icon() const { if (info) return info->icon; return QIcon(); }
-
- inline bool operator <(const QFileSystemNode &node) const {
- if (caseSensitive() || node.caseSensitive())
- return fileName < node.fileName;
- return QString::compare(fileName, node.fileName, Qt::CaseInsensitive) < 0;
- }
- inline bool operator >(const QString &name) const {
- if (caseSensitive())
- return fileName > name;
- return QString::compare(fileName, name, Qt::CaseInsensitive) > 0;
- }
- inline bool operator <(const QString &name) const {
- if (caseSensitive())
- return fileName < name;
- return QString::compare(fileName, name, Qt::CaseInsensitive) < 0;
- }
- inline bool operator !=(const QExtendedInformation &fileInfo) const {
- return !operator==(fileInfo);
- }
- bool operator ==(const QString &name) const {
- if (caseSensitive())
- return fileName == name;
- return QString::compare(fileName, name, Qt::CaseInsensitive) == 0;
- }
- bool operator ==(const QExtendedInformation &fileInfo) const {
- return info && (*info == fileInfo);
- }
-
- inline bool hasInformation() const { return info != 0; }
-
- void populate(const QExtendedInformation &fileInfo) {
- if (!info)
- info = new QExtendedInformation(fileInfo.fileInfo());
- (*info) = fileInfo;
- }
-
- // children shouldn't normally be accessed directly, use node()
- inline int visibleLocation(QString childName) {
- return visibleChildren.indexOf(childName);
- }
- void updateIcon(QFileIconProvider *iconProvider, const QString &path) {
- if (info)
- info->icon = iconProvider->icon(QFileInfo(path));
- QHash<QString, QFileSystemNode *>::const_iterator iterator;
- for(iterator = children.constBegin() ; iterator != children.constEnd() ; ++iterator) {
- //On windows the root (My computer) has no path so we don't want to add a / for nothing (e.g. /C:/)
- if (!path.isEmpty()) {
- if (path.endsWith(QLatin1Char('/')))
- iterator.value()->updateIcon(iconProvider, path + iterator.value()->fileName);
- else
- iterator.value()->updateIcon(iconProvider, path + QLatin1Char('/') + iterator.value()->fileName);
- } else
- iterator.value()->updateIcon(iconProvider, iterator.value()->fileName);
- }
- }
-
- void retranslateStrings(QFileIconProvider *iconProvider, const QString &path) {
- if (info)
- info->displayType = iconProvider->type(QFileInfo(path));
- QHash<QString, QFileSystemNode *>::const_iterator iterator;
- for(iterator = children.constBegin() ; iterator != children.constEnd() ; ++iterator) {
- //On windows the root (My computer) has no path so we don't want to add a / for nothing (e.g. /C:/)
- if (!path.isEmpty()) {
- if (path.endsWith(QLatin1Char('/')))
- iterator.value()->retranslateStrings(iconProvider, path + iterator.value()->fileName);
- else
- iterator.value()->retranslateStrings(iconProvider, path + QLatin1Char('/') + iterator.value()->fileName);
- } else
- iterator.value()->retranslateStrings(iconProvider, iterator.value()->fileName);
- }
- }
-
- bool populatedChildren;
- bool isVisible;
- QHash<QString,QFileSystemNode *> children;
- QList<QString> visibleChildren;
- int dirtyChildrenIndex;
- QFileSystemNode *parent;
-
-
- QExtendedInformation *info;
-
- };
-
- QFileSystemModelPrivate() :
- forceSort(true),
- sortColumn(0),
- sortOrder(Qt::AscendingOrder),
- readOnly(true),
- setRootPath(false),
- filters(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs),
- nameFilterDisables(true), // false on windows, true on mac and unix
- disableRecursiveSort(false)
- {
- delayedSortTimer.setSingleShot(true);
- }
-
- void init();
- /*
- \internal
-
- Return true if index which is owned by node is hidden by the filter.
- */
- inline bool isHiddenByFilter(QFileSystemNode *indexNode, const QModelIndex &index) const
- {
- return (indexNode != &root && !index.isValid());
- }
- QFileSystemNode *node(const QModelIndex &index) const;
- QFileSystemNode *node(const QString &path, bool fetch = true) const;
- inline QModelIndex index(const QString &path) { return index(node(path)); }
- QModelIndex index(const QFileSystemNode *node) const;
- bool filtersAcceptsNode(const QFileSystemNode *node) const;
- bool passNameFilters(const QFileSystemNode *node) const;
- void removeNode(QFileSystemNode *parentNode, const QString &name);
- QFileSystemNode* addNode(QFileSystemNode *parentNode, const QString &fileName, const QFileInfo &info);
- void addVisibleFiles(QFileSystemNode *parentNode, const QStringList &newFiles);
- void removeVisibleFile(QFileSystemNode *parentNode, int visibleLocation);
- void sortChildren(int column, const QModelIndex &parent);
-
- inline int translateVisibleLocation(QFileSystemNode *parent, int row) const {
- if (sortOrder != Qt::AscendingOrder) {
- if (parent->dirtyChildrenIndex == -1)
- return parent->visibleChildren.count() - row - 1;
-
- if (row < parent->dirtyChildrenIndex)
- return parent->dirtyChildrenIndex - row - 1;
- }
-
- return row;
- }
-
- inline static QString myComputer() {
- // ### TODO We should query the system to find out what the string should be
- // XP == "My Computer",
- // Vista == "Computer",
- // OS X == "Computer" (sometime user generated) "Benjamin's PowerBook G4"
-#ifdef Q_OS_WIN
- return QFileSystemModel::tr("My Computer");
-#else
- return QFileSystemModel::tr("Computer");
-#endif
- }
-
- inline void delayedSort() {
- if (!delayedSortTimer.isActive())
- delayedSortTimer.start(0);
- }
-
- static bool caseInsensitiveLessThan(const QString &s1, const QString &s2)
- {
- return QString::compare(s1, s2, Qt::CaseInsensitive) < 0;
- }
-
- static bool nodeCaseInsensitiveLessThan(const QFileSystemModelPrivate::QFileSystemNode &s1, const QFileSystemModelPrivate::QFileSystemNode &s2)
- {
- return QString::compare(s1.fileName, s2.fileName, Qt::CaseInsensitive) < 0;
- }
-
- QIcon icon(const QModelIndex &index) const;
- QString name(const QModelIndex &index) const;
- QString displayName(const QModelIndex &index) const;
- QString filePath(const QModelIndex &index) const;
- QString size(const QModelIndex &index) const;
- static QString size(qint64 bytes);
- QString type(const QModelIndex &index) const;
- QString time(const QModelIndex &index) const;
-
- void _q_directoryChanged(const QString &directory, const QStringList &list);
- void _q_performDelayedSort();
- void _q_fileSystemChanged(const QString &path, const QList<QPair<QString, QFileInfo> > &);
- void _q_resolvedName(const QString &fileName, const QString &resolvedName);
-
- static int naturalCompare(const QString &s1, const QString &s2, Qt::CaseSensitivity cs);
-
- QDir rootDir;
-#ifndef QT_NO_FILESYSTEMWATCHER
- QFileInfoGatherer fileInfoGatherer;
-#endif
- QTimer delayedSortTimer;
- bool forceSort;
- int sortColumn;
- Qt::SortOrder sortOrder;
- bool readOnly;
- bool setRootPath;
- QDir::Filters filters;
- QHash<const QFileSystemNode*, bool> bypassFilters;
- bool nameFilterDisables;
- //This flag is an optimization for the QFileDialog
- //It enable a sort which is not recursive, it means
- //we sort only what we see.
- bool disableRecursiveSort;
-#ifndef QT_NO_REGEXP
- QList<QRegExp> nameFilters;
-#endif
- // ### Qt 5: resolvedSymLinks goes away
- QHash<QString, QString> resolvedSymLinks;
-
- QFileSystemNode root;
-
- QBasicTimer fetchingTimer;
- struct Fetching {
- QString dir;
- QString file;
- const QFileSystemNode *node;
- };
- QList<Fetching> toFetch;
-
-};
-#endif // QT_NO_FILESYSTEMMODEL
-
-QT_END_NAMESPACE
-
-#endif
-