CatalogListModel.hxx

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// CatalogListModel.hxx - part of GUI launcher using Qt5
//
// Written by James Turner, started March 2015.
//
// Copyright (C) 2015 James Turner <zakalawe@mac.com>
//
// 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; either version 2 of the
// License, or (at your option) any later version.
//
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
#ifndef FG_GUI_CATALOG_LIST_MODEL
#define FG_GUI_CATALOG_LIST_MODEL
 
#include <QAbstractListModel>
#include <QDateTime>
#include <QDir>
#include <QPixmap>
#include <QStringList>
#include <QUrl>
 
#include <simgear/package/Root.hxx>
#include <simgear/package/Catalog.hxx>
 
const int CatalogUrlRole = Qt::UserRole + 1;
const int CatalogIdRole = Qt::UserRole + 2;
const int CatalogPackageCountRole = Qt::UserRole + 3;
const int CatalogInstallCountRole = Qt::UserRole + 4;
const int CatalogStatusRole = Qt::UserRole + 5;
const int CatalogDescriptionRole = Qt::UserRole + 6;
const int CatalogNameRole = Qt::UserRole + 7;
const int CatalogIsNewlyAdded = Qt::UserRole + 8;
const int CatalogEnabled = Qt::UserRole + 9;
 
class CatalogDelegate;
 
class CatalogListModel : public QAbstractListModel
{
    Q_OBJECT
 
    Q_PROPERTY(bool isAddingCatalog READ isAddingCatalog NOTIFY isAddingCatalogChanged)
    Q_PROPERTY(CatalogStatus statusOfAddingCatalog READ statusOfAddingCatalog NOTIFY statusOfAddingCatalogChanged)
public:
    CatalogListModel(QObject* pr, const simgear::pkg::RootRef& root);
 
    ~CatalogListModel();
 
    int rowCount(const QModelIndex& parent) const override;
 
    QVariant data(const QModelIndex& index, int role) const override;
    
    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
 
    Qt::ItemFlags flags(const QModelIndex &index) const override;
 
    QHash<int, QByteArray> roleNames() const override;
 
    Q_INVOKABLE void removeCatalog(int index);
 
    Q_INVOKABLE void refreshCatalog(int index);
 
    Q_INVOKABLE void installDefaultCatalog(bool showAddFeedback);
 
    // returns the index of the new catalog
    Q_INVOKABLE void addCatalogByUrl(QUrl url);
 
    Q_INVOKABLE void finalizeAddCatalog();
 
    Q_INVOKABLE void abandonAddCatalog();
 
    bool isAddingCatalog() const;
 
    enum CatalogStatus
    {
        Ok = 0,
        Refreshing,
        NetworkError,
        NotFoundOnServer,
        IncompatibleVersion,
        HTTPForbidden,
        InvalidData,
        UnknownError,
        NoAddInProgress
    };
 
    Q_ENUMS(CatalogStatus)
 
    void onCatalogStatusChanged(simgear::pkg::Catalog *cat);
 
    CatalogStatus statusOfAddingCatalog() const;
 
signals:
    void isAddingCatalogChanged();
    void statusOfAddingCatalogChanged();
 
    void catalogsChanged();
 
public slots:
    void resetData();
 
private slots:
 
private:
    simgear::pkg::RootRef m_packageRoot;
    simgear::pkg::CatalogList m_catalogs;
 
    simgear::pkg::CatalogRef m_newlyAddedCatalog;
 
    int indexOf(QUrl url);
 
    CatalogDelegate* m_delegate;
 
    CatalogStatus translateStatusForCatalog(simgear::pkg::CatalogRef cat) const;
};
 
#endif // of FG_GUI_CATALOG_LIST_MODEL