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//===========================================
// Lumina Desktop source code
// Copyright (c) 2017, Ken Moore & JT Pennington
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
// This is the main browsing backend for the file manager
//===========================================
#ifndef _LUMINA_FM_BROWSER_MODEL_BACKEND_H
#define _LUMINA_FM_BROWSER_MODEL_BACKEND_H
#include <QAbstractItemModel>
#include <QModelIndex>
#include <QMimeData>
#include <QMap>
#include <QVariant>
#include <QHash>
#include <LuminaXDG.h>
class BrowserModel : public QAbstractItemModel {
Q_OBJECT
public:
BrowserModel(QObject *parent = 0);
~BrowserModel();
//Virtual overrides
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
QModelIndex parent(const QModelIndex &index) const;
// item management
int rowCount(const QModelIndex &parent = QModelIndex()) const;
bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex());
bool removeRow(int row, const QModelIndex &parent = QModelIndex());
bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
int columnCount(const QModelIndex &parent = QModelIndex()) const;
bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex());
bool removeColumn(int column, const QModelIndex &parent = QModelIndex());
bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex());
//bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
// data functions
Qt::ItemFlags flags(const QModelIndex &index) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
// data modification functions
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role = Qt::EditRole);
// drag and drop
//QMimeData* mimeData(const QModelIndexList &indexes) const;
//QStringList mimeTypes() const;
//bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles);
//Qt::DropActions supportedDropActions() const;
//bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
//Special Functions (non virtual replacements)
LFileInfo* fileInfo(QString name);
QString currentDirectory();
public slots:
void loadDirectory(QString dir="");
void loadItem(QString item);
private:
QHash<quintptr, QModelIndex> HASH; //QString: "row/column"
QString cDir;
//simplification functions
/*QString findInHash(QString path);
QString findInHash(QModelIndex index);
LFileInfo* indexToInfo(QString path);*/
LFileInfo* indexToInfo(QModelIndex index);
private slots:
protected:
signals:
};
#endif
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