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 "additionalinfomanager.h"
  24 #include "settings/dolphinsettings.h"
  25 #include "dolphin_directoryviewpropertysettings.h"
  26 #include "dolphin_generalsettings.h"
  27
  28 #include <kcomponentdata.h>
  29 #include <klocale.h>
  30 #include <kstandarddirs.h>
  31 #include <kurl.h>
  32
  33 #include <QDate>
  34 #include <QFile>
  35 #include <QFileInfo>
  36
  37 ViewProperties::ViewProperties(const KUrl& url) :
  38     m_changedProps(false),
  39     m_autoSave(true),
  40     m_node(0)
  41 {
  42     KUrl cleanUrl(url);
  43     cleanUrl.cleanPath();
  44     m_filepath = cleanUrl.toLocalFile();
  45
  46     const QLatin1String fileName("/.directory");
  47
  48     if ((m_filepath.length() < 1) || (!QDir::isAbsolutePath(m_filepath))) {
  49         const QString file = destinationDir("global") + fileName;
  50         m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
  51         return;
  52     }
  53
  54     // We try and save it to a file in the directory being viewed.
  55     // If the directory is not writable by the user or the directory is not local,
  56     // we store the properties information in a local file.
  57     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  58     const bool useGlobalViewProps = settings->globalViewProps();
  59     if (useGlobalViewProps) {
  60         m_filepath = destinationDir("global");
  61     } else if (cleanUrl.isLocalFile()) {
  62         const QFileInfo info(m_filepath);
  63         if (!info.isWritable()) {
  64             m_filepath = destinationDir("local") + m_filepath;
  65         }
  66     } else {
  67         m_filepath = destinationDir("remote") + m_filepath;
  68     }
  69
  70     const QString file = m_filepath + fileName;
  71     m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
  72
  73     const bool useDefaultProps = !useGlobalViewProps &&
  74                                  (!QFileInfo(file).exists() ||
  75                                   (m_node->timestamp() < settings->viewPropsTimestamp()));
  76     if (useDefaultProps) {
  77         // If the .directory file does not exist or the timestamp is too old,
  78         // use the values from the global .directory file instead, which acts
  79         // as default view for new folders in this case.
  80         settings->setGlobalViewProps(true);
  81
  82         ViewProperties defaultProps(url);
  83         setDirProperties(defaultProps);
  84
  85         settings->setGlobalViewProps(false);
  86         m_changedProps = false;
  87     }
  88 }
  89
  90 ViewProperties::~ViewProperties()
  91 {
  92     if (m_changedProps && m_autoSave) {
  93         save();
  94     }
  95
  96     delete m_node;
  97     m_node = 0;
  98 }
  99
 100 void ViewProperties::setViewMode(DolphinView::Mode mode)
 101 {
 102     if (m_node->viewMode() != mode) {
 103         m_node->setViewMode(mode);
 104         updateTimeStamp();
 105     }
 106 }
 107
 108 DolphinView::Mode ViewProperties::viewMode() const
 109 {
 110     return static_cast<DolphinView::Mode>(m_node->viewMode());
 111 }
 112
 113 void ViewProperties::setShowPreview(bool show)
 114 {
 115     if (m_node->showPreview() != show) {
 116         m_node->setShowPreview(show);
 117         updateTimeStamp();
 118     }
 119 }
 120
 121 bool ViewProperties::showPreview() const
 122 {
 123     return m_node->showPreview();
 124 }
 125
 126
 127 void ViewProperties::setShowHiddenFiles(bool show)
 128 {
 129     if (m_node->showHiddenFiles() != show) {
 130         m_node->setShowHiddenFiles(show);
 131         updateTimeStamp();
 132     }
 133 }
 134
 135 void ViewProperties::setCategorizedSorting(bool categorized)
 136 {
 137     if (m_node->categorizedSorting() != categorized) {
 138         m_node->setCategorizedSorting(categorized);
 139         updateTimeStamp();
 140     }
 141 }
 142
 143 bool ViewProperties::categorizedSorting() const
 144 {
 145     return m_node->categorizedSorting();
 146 }
 147
 148
 149 bool ViewProperties::showHiddenFiles() const
 150 {
 151     return m_node->showHiddenFiles();
 152 }
 153
 154 void ViewProperties::setSorting(DolphinView::Sorting sorting)
 155 {
 156     if (m_node->sorting() != sorting) {
 157         m_node->setSorting(sorting);
 158         updateTimeStamp();
 159     }
 160 }
 161
 162 DolphinView::Sorting ViewProperties::sorting() const
 163 {
 164     return static_cast<DolphinView::Sorting>(m_node->sorting());
 165 }
 166
 167 void ViewProperties::setSortOrder(Qt::SortOrder sortOrder)
 168 {
 169     if (m_node->sortOrder() != sortOrder) {
 170         m_node->setSortOrder(sortOrder);
 171         updateTimeStamp();
 172     }
 173 }
 174
 175 Qt::SortOrder ViewProperties::sortOrder() const
 176 {
 177     return static_cast<Qt::SortOrder>(m_node->sortOrder());
 178 }
 179
 180 void ViewProperties::setSortFoldersFirst(bool foldersFirst)
 181 {
 182     if (m_node->sortFoldersFirst() != foldersFirst) {
 183         m_node->setSortFoldersFirst(foldersFirst);
 184         updateTimeStamp();
 185     }
 186 }
 187
 188 bool ViewProperties::sortFoldersFirst() const
 189 {
 190     return m_node->sortFoldersFirst();
 191 }
 192
 193 void ViewProperties::setAdditionalInfo(const KFileItemDelegate::InformationList& list)
 194 {
 195     AdditionalInfoManager& infoManager = AdditionalInfoManager::instance();
 196
 197     int infoMask = 0;
 198     foreach (KFileItemDelegate::Information currentInfo, list) {
 199         infoMask = infoMask | infoManager.bitValue(currentInfo);
 200     }
 201
 202     const int encodedInfo = encodedAdditionalInfo(infoMask);
 203     if (m_node->additionalInfo() != encodedInfo) {
 204         m_node->setAdditionalInfo(encodedInfo);
 205         updateTimeStamp();
 206     }
 207 }
 208
 209 KFileItemDelegate::InformationList ViewProperties::additionalInfo() const
 210 {
 211     KFileItemDelegate::InformationList usedInfos;
 212
 213     const int decodedInfo = decodedAdditionalInfo();
 214
 215     AdditionalInfoManager& infoManager = AdditionalInfoManager::instance();
 216     const KFileItemDelegate::InformationList infos = infoManager.keys();
 217
 218     foreach (const KFileItemDelegate::Information info, infos) {
 219         if (decodedInfo & infoManager.bitValue(info)) {
 220             usedInfos.append(info);
 221         }
 222     }
 223
 224     return usedInfos;
 225 }
 226
 227
 228 void ViewProperties::setDirProperties(const ViewProperties& props)
 229 {
 230     setViewMode(props.viewMode());
 231     setShowPreview(props.showPreview());
 232     setShowHiddenFiles(props.showHiddenFiles());
 233     setCategorizedSorting(props.categorizedSorting());
 234     setSorting(props.sorting());
 235     setSortOrder(props.sortOrder());
 236     setSortFoldersFirst(props.sortFoldersFirst());
 237     setAdditionalInfo(props.additionalInfo());
 238 }
 239
 240 void ViewProperties::setAutoSaveEnabled(bool autoSave)
 241 {
 242     m_autoSave = autoSave;
 243 }
 244
 245 bool ViewProperties::isAutoSaveEnabled() const
 246 {
 247     return m_autoSave;
 248 }
 249
 250 void ViewProperties::updateTimeStamp()
 251 {
 252     m_changedProps = true;
 253     m_node->setTimestamp(QDateTime::currentDateTime());
 254 }
 255
 256 void ViewProperties::save()
 257 {
 258     KStandardDirs::makeDir(m_filepath);
 259     m_node->writeConfig();
 260     m_changedProps = false;
 261 }
 262
 263 KUrl ViewProperties::mirroredDirectory()
 264 {
 265     QString basePath = KGlobal::mainComponent().componentName();
 266     basePath.append("/view_properties/");
 267     return KUrl(KStandardDirs::locateLocal("data", basePath));
 268 }
 269
 270 QString ViewProperties::destinationDir(const QString& subDir) const
 271 {
 272     QString basePath = KGlobal::mainComponent().componentName();
 273     basePath.append("/view_properties/").append(subDir);
 274     return KStandardDirs::locateLocal("data", basePath);
 275 }
 276
 277 int ViewProperties::encodedAdditionalInfo(int info) const
 278 {
 279     int encodedInfo = m_node->additionalInfo();
 280
 281     switch (viewMode()) {
 282     case DolphinView::DetailsView:
 283         encodedInfo = (encodedInfo & 0xFFFF00) | info;
 284         break;
 285     case DolphinView::IconsView:
 286         encodedInfo = (encodedInfo & 0xFF00FF) | (info << 8);
 287         break;
 288     case DolphinView::ColumnView:
 289         encodedInfo = (encodedInfo & 0x00FFFF) | (info << 16);
 290         break;
 291     default: break;
 292     }
 293
 294     return encodedInfo;
 295 }
 296
 297 int ViewProperties::decodedAdditionalInfo() const
 298 {
 299     int decodedInfo = m_node->additionalInfo();
 300
 301     switch (viewMode()) {
 302     case DolphinView::DetailsView:
 303         decodedInfo = decodedInfo & 0xFF;
 304         if (decodedInfo == 0) {
 305             // A details view without any additional info makes no sense, hence
 306             // provide at least a size-info and date-info as fallback
 307             AdditionalInfoManager& infoManager = AdditionalInfoManager::instance();
 308             decodedInfo = infoManager.bitValue(KFileItemDelegate::Size) |
 309                           infoManager.bitValue(KFileItemDelegate::ModificationTime);
 310         }
 311         break;
 312     case DolphinView::IconsView:
 313         decodedInfo = (decodedInfo >> 8) & 0xFF;
 314         break;
 315     case DolphinView::ColumnView:
 316         decodedInfo = (decodedInfo >> 16) & 0xFF;
 317         break;
 318     default: break;
 319     }
 320
 321     return decodedInfo;
 322 }