src/viewproperties.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (<peter.penz@gmx.at>)                *
   3  *   Copyright (C) 2006 by Aaron J. Seigo (<aseigo@kde.org>)               *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program 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         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  19  ***************************************************************************/
  20
  21 #include "viewproperties.h"
  22
  23 #include "dolphinsettings.h"
  24 #include "dolphin_directoryviewpropertysettings.h"
  25 #include "dolphin_generalsettings.h"
  26
  27 #include <kcomponentdata.h>
  28 #include <klocale.h>
  29 #include <kstandarddirs.h>
  30 #include <kurl.h>
  31
  32 #ifdef HAVE_NEPOMUK
  33     #include <nepomuk/resourcemanager.h>
  34 #endif
  35
  36 #include <QDate>
  37 #include <QFile>
  38 #include <QFileInfo>
  39
  40 bool ViewProperties::m_nepomukSupport = false;
  41
  42 #define FILE_NAME "/.directory"
  43
  44 ViewProperties::ViewProperties(const KUrl& url) :
  45     m_changedProps(false),
  46     m_autoSave(true),
  47     m_node(0)
  48 {
  49 #ifdef HAVE_NEPOMUK
  50     static bool checkedNepomukSupport = false;
  51     if (!checkedNepomukSupport) {
  52         m_nepomukSupport = !Nepomuk::ResourceManager::instance()->init();
  53         checkedNepomukSupport = true;
  54     }
  55 #endif
  56
  57     KUrl cleanUrl(url);
  58     cleanUrl.cleanPath();
  59     m_filepath = cleanUrl.path();
  60
  61     if ((m_filepath.length() < 1) || (m_filepath.at(0) != QChar('/'))) {
  62         m_node = new ViewPropertySettings();
  63         return;
  64     }
  65
  66     // We try and save it to a file in the directory being viewed.
  67     // If the directory is not writable by the user or the directory is not local,
  68     // we store the properties information in a local file.
  69     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  70     const bool useGlobalViewProps = settings->globalViewProps();
  71     if (useGlobalViewProps) {
  72         m_filepath = destinationDir("global");
  73     } else if (cleanUrl.isLocalFile()) {
  74         const QFileInfo info(m_filepath);
  75         if (!info.isWritable()) {
  76             m_filepath = destinationDir("local") + m_filepath;
  77         }
  78     } else {
  79         m_filepath = destinationDir("remote") + m_filepath;
  80     }
  81
  82     const QString file(m_filepath + FILE_NAME);
  83     m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
  84
  85     const bool useDefaultProps = !useGlobalViewProps &&
  86                                  (!QFileInfo(file).exists() ||
  87                                   (m_node->timestamp() < settings->viewPropsTimestamp()));
  88     if (useDefaultProps) {
  89         // If the .directory file does not exist or the timestamp is too old,
  90         // use the values from the global .directory file instead, which acts
  91         // as default view for new folders in this case.
  92         settings->setGlobalViewProps(true);
  93
  94         ViewProperties defaultProps(url);
  95         setDirProperties(defaultProps);
  96
  97         settings->setGlobalViewProps(false);
  98         m_changedProps = false;
  99     }
 100 }
 101
 102 ViewProperties::~ViewProperties()
 103 {
 104     if (m_changedProps && m_autoSave) {
 105         save();
 106     }
 107
 108     delete m_node;
 109     m_node = 0;
 110 }
 111
 112 void ViewProperties::setViewMode(DolphinView::Mode mode)
 113 {
 114     if (m_node->viewMode() != mode) {
 115         m_node->setViewMode(mode);
 116         updateTimeStamp();
 117     }
 118 }
 119
 120 DolphinView::Mode ViewProperties::viewMode() const
 121 {
 122     return static_cast<DolphinView::Mode>(m_node->viewMode());
 123 }
 124
 125 void ViewProperties::setShowPreview(bool show)
 126 {
 127     if (m_node->showPreview() != show) {
 128         m_node->setShowPreview(show);
 129         updateTimeStamp();
 130     }
 131 }
 132
 133 bool ViewProperties::showPreview() const
 134 {
 135     return m_node->showPreview();
 136 }
 137
 138
 139 void ViewProperties::setShowHiddenFiles(bool show)
 140 {
 141     if (m_node->showHiddenFiles() != show) {
 142         m_node->setShowHiddenFiles(show);
 143         updateTimeStamp();
 144     }
 145 }
 146
 147 void ViewProperties::setCategorizedSorting(bool categorized)
 148 {
 149     if (m_node->categorizedSorting() != categorized) {
 150         m_node->setCategorizedSorting(categorized);
 151         updateTimeStamp();
 152     }
 153 }
 154
 155 bool ViewProperties::categorizedSorting() const
 156 {
 157     return m_node->categorizedSorting();
 158 }
 159
 160
 161 bool ViewProperties::showHiddenFiles() const
 162 {
 163     return m_node->showHiddenFiles();
 164 }
 165
 166 void ViewProperties::setSorting(DolphinView::Sorting sorting)
 167 {
 168     if (m_node->sorting() != sorting) {
 169         m_node->setSorting(sorting);
 170         updateTimeStamp();
 171     }
 172 }
 173
 174 DolphinView::Sorting ViewProperties::sorting() const
 175 {
 176     // If Nepomuk is not available, return SortByName as fallback if SortByRating
 177     // or SortByTags is stored.
 178     DolphinView::Sorting sorting = static_cast<DolphinView::Sorting>(m_node->sorting());
 179     const bool sortByName = !m_nepomukSupport &&
 180                             ((sorting == DolphinView::SortByRating) || (sorting == DolphinView::SortByTags));
 181     if (sortByName) {
 182         sorting = DolphinView::SortByName;
 183     }
 184     return sorting;
 185 }
 186
 187 void ViewProperties::setSortOrder(Qt::SortOrder sortOrder)
 188 {
 189     if (m_node->sortOrder() != sortOrder) {
 190         m_node->setSortOrder(sortOrder);
 191         updateTimeStamp();
 192     }
 193 }
 194
 195 Qt::SortOrder ViewProperties::sortOrder() const
 196 {
 197     return static_cast<Qt::SortOrder>(m_node->sortOrder());
 198 }
 199
 200 void ViewProperties::setAdditionalInfo(KFileItemDelegate::InformationList list)
 201 {
 202     int info = NoInfo;
 203     foreach (KFileItemDelegate::Information currentInfo, list) {
 204         switch (currentInfo) {
 205         case KFileItemDelegate::FriendlyMimeType:
 206             info = info | TypeInfo;
 207             break;
 208         case KFileItemDelegate::Size:
 209             info = info | SizeInfo;
 210             break;
 211         case KFileItemDelegate::ModificationTime:
 212             info = info | DateInfo;
 213             break;
 214         default:
 215             break;
 216         }
 217     }
 218
 219     if (m_node->additionalInfo() != info) {
 220         m_node->setAdditionalInfo(info);
 221         updateTimeStamp();
 222     }
 223 }
 224
 225 KFileItemDelegate::InformationList ViewProperties::additionalInfo() const
 226 {
 227     const int info = m_node->additionalInfo();
 228
 229     KFileItemDelegate::InformationList list;
 230     if (info & TypeInfo) {
 231         list.append(KFileItemDelegate::FriendlyMimeType);
 232     }
 233     if (info & SizeInfo) {
 234         list.append(KFileItemDelegate::Size);
 235     }
 236     if (info & DateInfo) {
 237         list.append(KFileItemDelegate::ModificationTime);
 238     }
 239
 240     return list;
 241 }
 242
 243
 244 void ViewProperties::setDirProperties(const ViewProperties& props)
 245 {
 246     setViewMode(props.viewMode());
 247     setShowPreview(props.showPreview());
 248     setShowHiddenFiles(props.showHiddenFiles());
 249     setCategorizedSorting(props.categorizedSorting());
 250     setSorting(props.sorting());
 251     setSortOrder(props.sortOrder());
 252     setAdditionalInfo(props.additionalInfo());
 253 }
 254
 255 void ViewProperties::setAutoSaveEnabled(bool autoSave)
 256 {
 257     m_autoSave = autoSave;
 258 }
 259
 260 bool ViewProperties::isAutoSaveEnabled() const
 261 {
 262     return m_autoSave;
 263 }
 264
 265 void ViewProperties::updateTimeStamp()
 266 {
 267     m_changedProps = true;
 268     m_node->setTimestamp(QDateTime::currentDateTime());
 269 }
 270
 271 void ViewProperties::save()
 272 {
 273     KStandardDirs::makeDir(m_filepath);
 274     m_node->writeConfig();
 275     m_changedProps = false;
 276 }
 277
 278 KUrl ViewProperties::mirroredDirectory()
 279 {
 280     QString basePath = KGlobal::mainComponent().componentName();
 281     basePath.append("/view_properties/");
 282     return KUrl(KStandardDirs::locateLocal("data", basePath));
 283 }
 284
 285 QString ViewProperties::destinationDir(const QString& subDir) const
 286 {
 287     QString basePath = KGlobal::mainComponent().componentName();
 288     basePath.append("/view_properties/").append(subDir);
 289     return KStandardDirs::locateLocal("data", basePath);
 290 }