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libfm-qt-packaging/src/dirtreemodelitem.h

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/*
* Copyright (C) 2014 - 2015 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef FM_DIRTREEMODELITEM_H
#define FM_DIRTREEMODELITEM_H
#include "libfmqtglobals.h"
#include <libfm/fm.h>
#include <vector>
#include <QIcon>
#include <QModelIndex>
#include "core/fileinfo.h"
#include "core/folder.h"
namespace Fm {
class DirTreeModel;
class DirTreeView;
class LIBFM_QT_API DirTreeModelItem {
public:
friend class DirTreeModel; // allow direct access of private members in DirTreeModel
friend class DirTreeView; // allow direct access of private members in DirTreeView
explicit DirTreeModelItem();
explicit DirTreeModelItem(std::shared_ptr<const Fm::FileInfo> info, DirTreeModel* model, DirTreeModelItem* parent = nullptr);
~DirTreeModelItem();
void loadFolder();
void unloadFolder();
inline bool isPlaceHolder() const {
return (fileInfo_ == nullptr);
}
void setShowHidden(bool show);
bool isQueuedForDeletion() {
return queuedForDeletion_;
}
private:
void freeFolder();
void addPlaceHolderChild();
DirTreeModelItem* childFromName(const char* utf8_name, int* pos);
DirTreeModelItem* childFromPath(Fm::FilePath path, bool recursive) const;
DirTreeModelItem* insertFile(std::shared_ptr<const Fm::FileInfo> fi);
void insertFiles(Fm::FileInfoList files);
int insertItem(Fm::DirTreeModelItem* newItem);
QModelIndex index();
void onFolderFinishLoading();
void onFolderFilesAdded(Fm::FileInfoList &files);
void onFolderFilesRemoved(Fm::FileInfoList &files);
void onFolderFilesChanged(std::vector<Fm::FileInfoPair>& changes);
private:
std::shared_ptr<const Fm::FileInfo> fileInfo_;
std::shared_ptr<Fm::Folder> folder_;
QString displayName_ ;
QIcon icon_;
bool expanded_;
bool loaded_;
DirTreeModelItem* parent_;
DirTreeModelItem* placeHolderChild_;
std::vector<DirTreeModelItem*> children_;
std::vector<DirTreeModelItem*> hiddenChildren_;
DirTreeModel* model_;
bool queuedForDeletion_;
// signal connections
QMetaObject::Connection onFolderFinishLoadingConn_;
QMetaObject::Connection onFolderFilesAddedConn_;
QMetaObject::Connection onFolderFilesRemovedConn_;
QMetaObject::Connection onFolderFilesChangedConn_;
};
}
#endif // FM_DIRTREEMODELITEM_H