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 <QtGui/QSortFilterProxyModel>
  29
  30 DolphinItemCategorizer::DolphinItemCategorizer() :
  31     KItemCategorizer()
  32 {
  33 }
  34
  35 DolphinItemCategorizer::~DolphinItemCategorizer()
  36 {
  37 }
  38
  39 QString DolphinItemCategorizer::categoryForItem(const QModelIndex& index,
  40                                                 int sortRole)
  41 {
  42     QString retString;
  43
  44     if (!index.isValid()) {
  45         return retString;
  46     }
  47
  48     // KDirModel checks columns to know to which role are
  49     // we talking about
  50     QModelIndex theIndex = index.model()->index(index.row(),
  51                            sortRole,
  52                            index.parent());
  53
  54     const QSortFilterProxyModel* proxyModel = static_cast<const QSortFilterProxyModel*>(index.model());
  55     const KDirModel* dirModel = static_cast<const KDirModel*>(proxyModel->sourceModel());
  56
  57     QVariant data = theIndex.model()->data(theIndex, Qt::DisplayRole);
  58
  59     QModelIndex mappedIndex = proxyModel->mapToSource(theIndex);
  60     KFileItem* item = dirModel->itemForIndex(mappedIndex);
  61
  62     switch (sortRole) {
  63     case DolphinView::SortByName:
  64         retString = data.toString().toUpper().at(0);
  65         break;
  66     case DolphinView::SortBySize:
  67         int fileSize = (item) ? item->size() : -1;
  68         if (item && item->isDir()) {
  69             retString = i18n("Unknown");
  70         } else if (fileSize < 5242880) {
  71             retString = i18n("Small");
  72         } else if (fileSize < 10485760) {
  73             retString = i18n("Medium");
  74         } else {
  75             retString = i18n("Big");
  76         }
  77         break;
  78     }
  79
  80     return retString;
  81 }