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/*
* Copyright (C) 2014 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FOLDERSMODEL_H
#define FOLDERSMODEL_H
#include <QtCore/QObject>
#include <QtCore/QAbstractListModel>
#include <QtCore/QFileInfo>
#include <QtCore/QFileSystemWatcher>
#include <QtCore/QMimeDatabase>
#include <QtCore/QSet>
#include <QtCore/QFutureWatcher>
#include <QtQml/QQmlParserStatus>
class FoldersModel : public QAbstractListModel, public QQmlParserStatus
{
Q_OBJECT
Q_PROPERTY (QStringList folders READ folders WRITE setFolders NOTIFY foldersChanged)
Q_PROPERTY (QStringList typeFilters READ typeFilters WRITE setTypeFilters NOTIFY typeFiltersChanged)
Q_PROPERTY (QList<int> selectedFiles READ selectedFiles NOTIFY selectedFilesChanged)
Q_PROPERTY (bool singleSelectionOnly READ singleSelectionOnly WRITE setSingleSelectionOnly NOTIFY singleSelectionOnlyChanged)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(bool loading READ loading NOTIFY loadingChanged)
public:
enum Roles {
FileNameRole = Qt::UserRole + 1,
FilePathRole = Qt::UserRole + 2,
FileUrlRole = Qt::UserRole + 3,
FileTypeRole = Qt::UserRole + 4,
SelectedRole = Qt::UserRole + 5
};
explicit FoldersModel(QObject *parent = 0);
QStringList folders() const;
void setFolders(const QStringList& folders);
QStringList typeFilters() const;
void setTypeFilters(const QStringList& typeFilters);
QList<int> selectedFiles() const;
bool singleSelectionOnly() const;
void setSingleSelectionOnly(bool singleSelectionOnly);
int count() const;
bool loading() const;
void updateFileInfoList();
QPair<QFileInfoList, QStringList> computeFileInfoList(QStringList folders);
bool fileMatchesTypeFilters(const QFileInfo& newFileInfo);
void insertFileInfo(const QFileInfo& newFileInfo);
void setFileInfoList(QFileInfoList fileInfoList, const QStringList& filesToWatch);
QHash<int, QByteArray> roleNames() const;
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
int rowCount(const QModelIndex& parent = QModelIndex()) const;
Q_INVOKABLE QVariant get(int row, QString role) const;
Q_INVOKABLE void toggleSelected(int row);
Q_INVOKABLE void clearSelection();
Q_INVOKABLE void selectAll();
Q_INVOKABLE void prependFile(QString filePath);
Q_INVOKABLE void deleteSelectedFiles();
// inherited from QQmlParserStatus
void classBegin();
void componentComplete();
public Q_SLOTS:
void fileChanged(const QString &directoryPath);
void updateFileInfoListFinished();
Q_SIGNALS:
void foldersChanged();
void typeFiltersChanged();
void selectedFilesChanged();
void singleSelectionOnlyChanged();
void countChanged();
void loadingChanged();
private:
QStringList m_folders;
QStringList m_typeFilters;
QFileInfoList m_fileInfoList;
QFileSystemWatcher* m_watcher;
QMimeDatabase m_mimeDatabase;
QSet<int> m_selectedFiles;
bool m_singleSelectionOnly;
QFutureWatcher<QPair<QFileInfoList, QStringList> > m_updateFutureWatcher;
bool m_completed;
bool m_loading;
};
#endif // FOLDERSMODEL_H
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