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 "settings/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 #include <QDate>
  33 #include <QFile>
  34 #include <QFileInfo>
  35
  36 bool ViewProperties::m_nepomukSupport = false;
  37
  38 #define FILE_NAME "/.directory"
  39
  40 ViewProperties::ViewProperties(const KUrl& url) :
  41     m_changedProps(false),
  42     m_autoSave(true),
  43     m_node(0)
  44 {
  45     KUrl cleanUrl(url);
  46     cleanUrl.cleanPath();
  47     m_filepath = cleanUrl.toLocalFile();
  48
  49     if ((m_filepath.length() < 1) || (!QDir::isAbsolutePath(m_filepath))) {
  50         const QString file = destinationDir("global") + FILE_NAME;
  51         m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
  52         return;
  53     }
  54
  55     // We try and save it to a file in the directory being viewed.
  56     // If the directory is not writable by the user or the directory is not local,
  57     // we store the properties information in a local file.
  58     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  59     const bool useGlobalViewProps = settings->globalViewProps();
  60     if (useGlobalViewProps) {
  61         m_filepath = destinationDir("global");
  62     } else if (cleanUrl.isLocalFile()) {
  63         const QFileInfo info(m_filepath);
  64         if (!info.isWritable()) {
  65             m_filepath = destinationDir("local") + m_filepath;
  66         }
  67     } else {
  68         m_filepath = destinationDir("remote") + m_filepath;
  69     }
  70
  71     const QString file = m_filepath + FILE_NAME;
  72     m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
  73
  74     const bool useDefaultProps = !useGlobalViewProps &&
  75                                  (!QFileInfo(file).exists() ||
  76                                   (m_node->timestamp() < settings->viewPropsTimestamp()));
  77     if (useDefaultProps) {
  78         // If the .directory file does not exist or the timestamp is too old,
  79         // use the values from the global .directory file instead, which acts
  80         // as default view for new folders in this case.
  81         settings->setGlobalViewProps(true);
  82
  83         ViewProperties defaultProps(url);
  84         setDirProperties(defaultProps);
  85
  86         settings->setGlobalViewProps(false);
  87         m_changedProps = false;
  88     }
  89 }
  90
  91 ViewProperties::~ViewProperties()
  92 {
  93     if (m_changedProps && m_autoSave) {
  94         save();
  95     }
  96
  97     delete m_node;
  98     m_node = 0;
  99 }
 100
 101 void ViewProperties::setViewMode(DolphinView::Mode mode)
 102 {
 103     if (m_node->viewMode() != mode) {
 104         m_node->setViewMode(mode);
 105         updateTimeStamp();
 106     }
 107 }
 108
 109 DolphinView::Mode ViewProperties::viewMode() const
 110 {
 111     return static_cast<DolphinView::Mode>(m_node->viewMode());
 112 }
 113
 114 void ViewProperties::setShowPreview(bool show)
 115 {
 116     if (m_node->showPreview() != show) {
 117         m_node->setShowPreview(show);
 118         updateTimeStamp();
 119     }
 120 }
 121
 122 bool ViewProperties::showPreview() const
 123 {
 124     return m_node->showPreview();
 125 }
 126
 127
 128 void ViewProperties::setShowHiddenFiles(bool show)
 129 {
 130     if (m_node->showHiddenFiles() != show) {
 131         m_node->setShowHiddenFiles(show);
 132         updateTimeStamp();
 133     }
 134 }
 135
 136 void ViewProperties::setCategorizedSorting(bool categorized)
 137 {
 138     if (m_node->categorizedSorting() != categorized) {
 139         m_node->setCategorizedSorting(categorized);
 140         updateTimeStamp();
 141     }
 142 }
 143
 144 bool ViewProperties::categorizedSorting() const
 145 {
 146     return m_node->categorizedSorting();
 147 }
 148
 149
 150 bool ViewProperties::showHiddenFiles() const
 151 {
 152     return m_node->showHiddenFiles();
 153 }
 154
 155 void ViewProperties::setSorting(DolphinView::Sorting sorting)
 156 {
 157     if (m_node->sorting() != sorting) {
 158         m_node->setSorting(sorting);
 159         updateTimeStamp();
 160     }
 161 }
 162
 163 DolphinView::Sorting ViewProperties::sorting() const
 164 {
 165     // If Nepomuk is not available, return SortByName as fallback if SortByRating
 166     // or SortByTags is stored.
 167     DolphinView::Sorting sorting = static_cast<DolphinView::Sorting>(m_node->sorting());
 168     const bool sortByName = !m_nepomukSupport &&
 169                             ((sorting == DolphinView::SortByRating) || (sorting == DolphinView::SortByTags));
 170     if (sortByName) {
 171         sorting = DolphinView::SortByName;
 172     }
 173     return sorting;
 174 }
 175
 176 void ViewProperties::setSortOrder(Qt::SortOrder sortOrder)
 177 {
 178     if (m_node->sortOrder() != sortOrder) {
 179         m_node->setSortOrder(sortOrder);
 180         updateTimeStamp();
 181     }
 182 }
 183
 184 Qt::SortOrder ViewProperties::sortOrder() const
 185 {
 186     return static_cast<Qt::SortOrder>(m_node->sortOrder());
 187 }
 188
 189 void ViewProperties::setSortFoldersFirst(bool foldersFirst)
 190 {
 191     if (m_node->sortFoldersFirst() != foldersFirst) {
 192         m_node->setSortFoldersFirst(foldersFirst);
 193         updateTimeStamp();
 194     }
 195 }
 196
 197 bool ViewProperties::sortFoldersFirst() const
 198 {
 199     return m_node->sortFoldersFirst();
 200 }
 201
 202 void ViewProperties::setAdditionalInfo(KFileItemDelegate::InformationList list)
 203 {
 204     int info = NoInfo;
 205     foreach (KFileItemDelegate::Information currentInfo, list) {
 206         switch (currentInfo) {
 207         case KFileItemDelegate::Size:
 208             info = info | SizeInfo;
 209             break;
 210         case KFileItemDelegate::ModificationTime:
 211             info = info | DateInfo;
 212             break;
 213         case KFileItemDelegate::Permissions:
 214             info = info | PermissionsInfo;
 215             break;
 216         case KFileItemDelegate::Owner:
 217             info = info | OwnerInfo;
 218             break;
 219         case KFileItemDelegate::OwnerAndGroup:
 220             info = info | GroupInfo;
 221             break;
 222         case KFileItemDelegate::FriendlyMimeType:
 223             info = info | TypeInfo;
 224             break;
 225         default:
 226             break;
 227         }
 228     }
 229
 230     const int encodedInfo = encodedAdditionalInfo(info);
 231     if (m_node->additionalInfo() != encodedInfo) {
 232         m_node->setAdditionalInfo(encodedInfo);
 233         updateTimeStamp();
 234     }
 235 }
 236
 237 KFileItemDelegate::InformationList ViewProperties::additionalInfo() const
 238 {
 239     const int info = decodedAdditionalInfo();
 240
 241     KFileItemDelegate::InformationList list;
 242     if (info & SizeInfo) {
 243         list.append(KFileItemDelegate::Size);
 244     }
 245     if (info & DateInfo) {
 246         list.append(KFileItemDelegate::ModificationTime);
 247     }
 248     if (info & PermissionsInfo) {
 249         list.append(KFileItemDelegate::Permissions);
 250     }
 251     if (info & OwnerInfo) {
 252         list.append(KFileItemDelegate::Owner);
 253     }
 254     if (info & GroupInfo) {
 255         list.append(KFileItemDelegate::OwnerAndGroup);
 256     }
 257     if (info & TypeInfo) {
 258         list.append(KFileItemDelegate::FriendlyMimeType);
 259     }
 260
 261     return list;
 262 }
 263
 264
 265 void ViewProperties::setDirProperties(const ViewProperties& props)
 266 {
 267     setViewMode(props.viewMode());
 268     setShowPreview(props.showPreview());
 269     setShowHiddenFiles(props.showHiddenFiles());
 270     setCategorizedSorting(props.categorizedSorting());
 271     setSorting(props.sorting());
 272     setSortOrder(props.sortOrder());
 273     setAdditionalInfo(props.additionalInfo());
 274 }
 275
 276 void ViewProperties::setAutoSaveEnabled(bool autoSave)
 277 {
 278     m_autoSave = autoSave;
 279 }
 280
 281 bool ViewProperties::isAutoSaveEnabled() const
 282 {
 283     return m_autoSave;
 284 }
 285
 286 void ViewProperties::updateTimeStamp()
 287 {
 288     m_changedProps = true;
 289     m_node->setTimestamp(QDateTime::currentDateTime());
 290 }
 291
 292 void ViewProperties::save()
 293 {
 294     KStandardDirs::makeDir(m_filepath);
 295     m_node->writeConfig();
 296     m_changedProps = false;
 297 }
 298
 299 KUrl ViewProperties::mirroredDirectory()
 300 {
 301     QString basePath = KGlobal::mainComponent().componentName();
 302     basePath.append("/view_properties/");
 303     return KUrl(KStandardDirs::locateLocal("data", basePath));
 304 }
 305
 306 QString ViewProperties::destinationDir(const QString& subDir) const
 307 {
 308     QString basePath = KGlobal::mainComponent().componentName();
 309     basePath.append("/view_properties/").append(subDir);
 310     return KStandardDirs::locateLocal("data", basePath);
 311 }
 312
 313 int ViewProperties::encodedAdditionalInfo(int info) const
 314 {
 315     int encodedInfo = m_node->additionalInfo();
 316
 317     switch (viewMode()) {
 318     case DolphinView::DetailsView:
 319         encodedInfo = (encodedInfo & 0xFFFF00) | info;
 320         break;
 321     case DolphinView::IconsView:
 322         encodedInfo = (encodedInfo & 0xFF00FF) | (info << 8);
 323         break;
 324     case DolphinView::ColumnView:
 325         encodedInfo = (encodedInfo & 0x00FFFF) | (info << 16);
 326         break;
 327     default: break;
 328     }
 329
 330     return encodedInfo;
 331 }
 332
 333 int ViewProperties::decodedAdditionalInfo() const
 334 {
 335     int decodedInfo = m_node->additionalInfo();
 336
 337     switch (viewMode()) {
 338     case DolphinView::DetailsView:
 339         decodedInfo = decodedInfo & 0xFF;
 340         if (decodedInfo == NoInfo) {
 341             // a details view without any additional info makes no sense, hence
 342             // provide at least a size-info and date-info as fallback
 343             decodedInfo = SizeInfo | DateInfo;
 344         }
 345         break;
 346     case DolphinView::IconsView:
 347         decodedInfo = (decodedInfo >> 8) & 0xFF;
 348         break;
 349     case DolphinView::ColumnView:
 350         decodedInfo = (decodedInfo >> 16) & 0xFF;
 351         break;
 352     default: break;
 353     }
 354
 355     return decodedInfo;
 356 }