/*
  standardpathsmodel.cpp

  This file is part of GammaRay, the Qt application inspection and
  manipulation tool.

  Copyright (C) 2012-2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Author: Volker Krause <volker.krause@kdab.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, see <http://www.gnu.org/licenses/>.
*/

#include "standardpathsmodel.h"

#include <QStandardPaths>

using namespace GammaRay;

struct standard_path_t {
  QStandardPaths::StandardLocation location;
  const char *locationName;
};

#define P(x) { QStandardPaths:: x, #x }

static const standard_path_t standard_paths[] = {
  P(DesktopLocation),
  P(DocumentsLocation),
  P(FontsLocation),
  P(ApplicationsLocation),
  P(MusicLocation),
  P(MoviesLocation),
  P(PicturesLocation),
  P(TempLocation),
  P(HomeLocation),
  P(DataLocation),
  P(CacheLocation),
  P(GenericDataLocation),
  P(RuntimeLocation),
  P(ConfigLocation),
  P(DownloadLocation),
  P(GenericCacheLocation)
};

#undef P

static const int standard_path_count = sizeof(standard_paths) / sizeof(standard_path_t);

StandardPathsModel::StandardPathsModel(QObject *parent)
  : QAbstractTableModel(parent)
{
}

StandardPathsModel::~StandardPathsModel()
{
}

QVariant StandardPathsModel::data(const QModelIndex &index, int role) const
{
  if (!index.isValid()) {
    return QVariant();
  }

  if (role == Qt::TextAlignmentRole) {
    return static_cast<int>(Qt::AlignLeft | Qt::AlignTop);
  }

  if (role == Qt::DisplayRole) {
    const QStandardPaths::StandardLocation loc = standard_paths[index.row()].location;
    switch (index.column()) {
    case 0:
      return QString::fromLatin1(standard_paths[index.row()].locationName);
    case 1:
      return QStandardPaths::displayName(loc);
    case 2:
      return QStandardPaths::standardLocations(loc).join(QLatin1String("\n"));
    case 3:
      return QStandardPaths::writableLocation(loc);
    }
  }

  return QVariant();
}

int StandardPathsModel::columnCount(const QModelIndex &parent) const
{
  Q_UNUSED(parent);
  return 4;
}

int StandardPathsModel::rowCount(const QModelIndex &parent) const
{
  if (parent.isValid()) {
    return 0;
  }
  return standard_path_count;
}

QVariant StandardPathsModel::headerData(int section, Qt::Orientation orientation, int role) const
{
  if (orientation == Qt::Vertical || role != Qt::DisplayRole) {
    return QVariant();
  }

  switch (section) {
  case 0:
    return tr("Type");
  case 1:
    return tr("Display Name");
  case 2:
    return tr("Standard Locations");
  case 3:
    return tr("Writable Location");
  }
  return QVariant();
}

