src/dolphinitemcategorizer.cpp

   1 /**
   2   * This file is part of the KDE project
   3   * Copyright (C) 2007 Rafael Fernández López <ereslibre@gmail.com>
   4   *
   5   * This library is free software; you can redistribute it and/or
   6   * modify it under the terms of the GNU Library General Public
   7   * License as published by the Free Software Foundation; either
   8   * version 2 of the License, or (at your option) any later version.
   9   *
  10   * This library is distributed in the hope that it will be useful,
  11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   * Library General Public License for more details.
  14   *
  15   * You should have received a copy of the GNU Library General Public License
  16   * along with this library; see the file COPYING.LIB.  If not, write to
  17   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18   * Boston, MA 02110-1301, USA.
  19   */
  20
  21 #include "dolphinitemcategorizer.h"
  22
  23 #include "dolphinview.h"
  24
  25 #include <klocale.h>
  26 #include <kdirmodel.h>
  27
  28 #include <QSortFilterProxyModel>
  29
  30 DolphinItemCategorizer::DolphinItemCategorizer() :
  31         KItemCategorizer()
  32 {}
  33
  34 DolphinItemCategorizer::~DolphinItemCategorizer()
  35 {}
  36
  37 QString DolphinItemCategorizer::categoryForItem(const QModelIndex& index,
  38                                                 int sortRole)
  39 {
  40     QString retString;
  41
  42     if (!index.isValid()) {
  43         return retString;
  44     }
  45
  46     // KDirModel checks columns to know to which role are
  47     // we talking about
  48     QModelIndex theIndex = index.model()->index(index.row(),
  49                            sortRole,
  50                            index.parent());
  51
  52     const QSortFilterProxyModel* proxyModel = static_cast<const QSortFilterProxyModel*>(index.model());
  53     const KDirModel* dirModel = static_cast<const KDirModel*>(proxyModel->sourceModel());
  54
  55     QVariant data = theIndex.model()->data(theIndex, Qt::DisplayRole);
  56
  57     QModelIndex mappedIndex = proxyModel->mapToSource(theIndex);
  58     KFileItem* item = dirModel->itemForIndex(mappedIndex);
  59
  60     switch (sortRole) {
  61     case DolphinView::SortByName:
  62         retString = data.toString().toUpper().at(0);
  63         break;
  64     case DolphinView::SortBySize:
  65         int fileSize = (item) ? item->size() : -1;
  66         if (item && item->isDir()) {
  67             retString = i18n("Unknown");
  68         } else if (fileSize < 5242880) {
  69             retString = i18n("Small");
  70         } else if (fileSize < 10485760) {
  71             retString = i18n("Medium");
  72         } else {
  73             retString = i18n("Big");
  74         }
  75         break;
  76     }
  77
  78     return retString;
  79 }