X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/a5cf21ff06aff44cde563eaceae3c6cef452ee48..6c60bf0ad54258976d9dcbd6586b26c65d8d4b78:/src/views/viewproperties.cpp

diff --git a/src/views/viewproperties.cpp b/src/views/viewproperties.cpp
index 3e08358f7..19aca4583 100644
--- a/src/views/viewproperties.cpp
+++ b/src/views/viewproperties.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2006-2010 by Peter Penz <peter.penz@gmx.at>             *
+ *   Copyright (C) 2006-2010 by Peter Penz <peter.penz19@gmail.com>        *
  *   Copyright (C) 2006 by Aaron J. Seigo <aseigo@kde.org>                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -20,37 +20,53 @@
 
 #include "viewproperties.h"
 
-#include "additionalinfoaccessor.h"
+#include "rolesaccessor.h"
 #include "dolphin_directoryviewpropertysettings.h"
 #include "dolphin_generalsettings.h"
 
-#include <kcomponentdata.h>
-#include <klocale.h>
-#include <kstandarddirs.h>
-#include <kurl.h>
+#include <KComponentData>
+#include <KLocale>
+#include <KStandardDirs>
+#include <KUrl>
 
 #include <QDate>
 #include <QFile>
 #include <QFileInfo>
 
-#include "settings/dolphinsettings.h"
+namespace {
+    const int CurrentViewPropertiesVersion = 2;
+    const int AdditionalInfoViewPropertiesVersion = 1;
+
+    // String representation to mark the additional properties of
+    // the details view as customized by the user. See
+    // ViewProperties::visibleRoles() for more information.
+    const char* CustomizedDetailsString = "CustomizedDetails";
+}
 
 ViewProperties::ViewProperties(const KUrl& url) :
     m_changedProps(false),
     m_autoSave(true),
     m_node(0)
 {
+    GeneralSettings* settings = GeneralSettings::self();
+    const bool useGlobalViewProps = settings->globalViewProps();
+    bool useDetailsViewWithPath = false;
+
     // We try and save it to the file .directory in the directory being viewed.
     // If the directory is not writable by the user or the directory is not local,
     // we store the properties information in a local file.
-    GeneralSettings* settings = DolphinSettings::instance().generalSettings();
-    const bool useGlobalViewProps = settings->globalViewProps();
     if (useGlobalViewProps) {
         m_filePath = destinationDir("global");
+    } else if (url.protocol().contains("search")) {
+        m_filePath = destinationDir("search");
+        useDetailsViewWithPath = true;
+    } else if (url.protocol() == QLatin1String("trash")) {
+        m_filePath = destinationDir("trash");
+        useDetailsViewWithPath = true;
     } else if (url.isLocalFile()) {
         m_filePath = url.toLocalFile();
         const QFileInfo info(m_filePath);
-        if (!info.isWritable()) {
+        if (!info.isWritable() || !isPartOfHome(m_filePath)) {
             m_filePath = destinationDir("local") + m_filePath;
         }
     } else {
@@ -60,20 +76,26 @@ ViewProperties::ViewProperties(const KUrl& url) :
     const QString file = m_filePath + QDir::separator() + QLatin1String(".directory");
     m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
 
-    const bool useDefaultProps = !useGlobalViewProps &&
+    // If the .directory file does not exist or the timestamp is too old,
+    // use default values instead.
+    const bool useDefaultProps = (!useGlobalViewProps || useDetailsViewWithPath) &&
                                  (!QFileInfo(file).exists() ||
                                   (m_node->timestamp() < settings->viewPropsTimestamp()));
     if (useDefaultProps) {
-        // If the .directory file does not exist or the timestamp is too old,
-        // use the values from the global .directory file instead, which acts
-        // as default view for new folders in this case.
-        settings->setGlobalViewProps(true);
-
-        ViewProperties defaultProps(url);
-        setDirProperties(defaultProps);
-
-        settings->setGlobalViewProps(false);
-        m_changedProps = false;
+        if (useDetailsViewWithPath) {
+            setViewMode(DolphinView::DetailsView);
+            setVisibleRoles(QList<QByteArray>() << "path");
+        } else {
+            // The global view-properties act as default for directories without
+            // any view-property configuration
+            settings->setGlobalViewProps(true);
+
+            ViewProperties defaultProps(url);
+            setDirProperties(defaultProps);
+
+            settings->setGlobalViewProps(false);
+            m_changedProps = false;
+        }
     }
 }
 
@@ -91,72 +113,73 @@ void ViewProperties::setViewMode(DolphinView::Mode mode)
 {
     if (m_node->viewMode() != mode) {
         m_node->setViewMode(mode);
-        updateTimeStamp();
+        update();
     }
 }
 
 DolphinView::Mode ViewProperties::viewMode() const
 {
-    return static_cast<DolphinView::Mode>(m_node->viewMode());
+    const int mode = qBound(0, m_node->viewMode(), 2);
+    return static_cast<DolphinView::Mode>(mode);
 }
 
-void ViewProperties::setShowPreview(bool show)
+void ViewProperties::setPreviewsShown(bool show)
 {
-    if (m_node->showPreview() != show) {
-        m_node->setShowPreview(show);
-        updateTimeStamp();
+    if (m_node->previewsShown() != show) {
+        m_node->setPreviewsShown(show);
+        update();
     }
 }
 
-bool ViewProperties::showPreview() const
+bool ViewProperties::previewsShown() const
 {
-    return m_node->showPreview();
+    return m_node->previewsShown();
 }
 
-void ViewProperties::setShowHiddenFiles(bool show)
+void ViewProperties::setHiddenFilesShown(bool show)
 {
-    if (m_node->showHiddenFiles() != show) {
-        m_node->setShowHiddenFiles(show);
-        updateTimeStamp();
+    if (m_node->hiddenFilesShown() != show) {
+        m_node->setHiddenFilesShown(show);
+        update();
     }
 }
 
-void ViewProperties::setCategorizedSorting(bool categorized)
+void ViewProperties::setGroupedSorting(bool grouped)
 {
-    if (m_node->categorizedSorting() != categorized) {
-        m_node->setCategorizedSorting(categorized);
-        updateTimeStamp();
+    if (m_node->groupedSorting() != grouped) {
+        m_node->setGroupedSorting(grouped);
+        update();
     }
 }
 
-bool ViewProperties::categorizedSorting() const
+bool ViewProperties::groupedSorting() const
 {
-    return m_node->categorizedSorting();
+    return m_node->groupedSorting();
 }
 
-bool ViewProperties::showHiddenFiles() const
+bool ViewProperties::hiddenFilesShown() const
 {
-    return m_node->showHiddenFiles();
+    return m_node->hiddenFilesShown();
 }
 
-void ViewProperties::setSorting(DolphinView::Sorting sorting)
+void ViewProperties::setSortRole(const QByteArray& role)
 {
-    if (m_node->sorting() != sorting) {
-        m_node->setSorting(sorting);
-        updateTimeStamp();
+    if (m_node->sortRole() != role) {
+        m_node->setSortRole(role);
+        update();
     }
 }
 
-DolphinView::Sorting ViewProperties::sorting() const
+QByteArray ViewProperties::sortRole() const
 {
-    return static_cast<DolphinView::Sorting>(m_node->sorting());
+    return m_node->sortRole().toLatin1();
 }
 
 void ViewProperties::setSortOrder(Qt::SortOrder sortOrder)
 {
     if (m_node->sortOrder() != sortOrder) {
         m_node->setSortOrder(sortOrder);
-        updateTimeStamp();
+        update();
     }
 }
 
@@ -169,7 +192,7 @@ void ViewProperties::setSortFoldersFirst(bool foldersFirst)
 {
     if (m_node->sortFoldersFirst() != foldersFirst) {
         m_node->setSortFoldersFirst(foldersFirst);
-        updateTimeStamp();
+        update();
     }
 }
 
@@ -178,51 +201,104 @@ bool ViewProperties::sortFoldersFirst() const
     return m_node->sortFoldersFirst();
 }
 
-void ViewProperties::setAdditionalInfo(const KFileItemDelegate::InformationList& list)
+void ViewProperties::setVisibleRoles(const QList<QByteArray>& roles)
 {
-    AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
+    // See ViewProperties::visibleRoles() for the storage format
+    // of the additional information.
+
+    // Remove the old values stored for the current view-mode
+    const QStringList oldVisibleRoles = m_node->visibleRoles();
+    const QString prefix = viewModePrefix();
+    QStringList newVisibleRoles = oldVisibleRoles;
+    for (int i = newVisibleRoles.count() - 1; i >= 0; --i) {
+        if (newVisibleRoles[i].startsWith(prefix)) {
+            newVisibleRoles.removeAt(i);
+        }
+    }
 
-    int infoMask = 0;
-    foreach (KFileItemDelegate::Information currentInfo, list) {
-        infoMask = infoMask | infoAccessor.bitValue(currentInfo);
+    // Add the updated values for the current view-mode
+    foreach (const QByteArray& role, roles) {
+        newVisibleRoles.append(prefix + role);
     }
 
-    const int encodedInfo = encodedAdditionalInfo(infoMask);
-    if (m_node->additionalInfo() != encodedInfo) {
-        m_node->setAdditionalInfo(encodedInfo);
-        updateTimeStamp();
+    if (oldVisibleRoles != newVisibleRoles) {
+        const bool markCustomizedDetails = (m_node->viewMode() == DolphinView::DetailsView)
+                                           && !newVisibleRoles.contains(CustomizedDetailsString);
+        if (markCustomizedDetails) {
+            // The additional information of the details-view has been modified. Set a marker,
+            // so that it is allowed to also show no additional information without doing the
+            // fallback to show the size and date per default.
+            newVisibleRoles.append(CustomizedDetailsString);
+        }
+
+        m_node->setVisibleRoles(newVisibleRoles);
+        update();
     }
 }
 
-KFileItemDelegate::InformationList ViewProperties::additionalInfo() const
+QList<QByteArray> ViewProperties::visibleRoles() const
 {
-    KFileItemDelegate::InformationList usedInfos;
-
-    const int decodedInfo = decodedAdditionalInfo();
-
-    AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
-    const KFileItemDelegate::InformationList infos = infoAccessor.keys();
+    // The shown additional information is stored for each view-mode separately as
+    // string with the view-mode as prefix. Example:
+    //
+    // AdditionalInfo=Details_size,Details_date,Details_owner,Icons_size
+    //
+    // To get the representation as QList<QByteArray>, the current
+    // view-mode must be checked and the values of this mode added to the list.
+    //
+    // For the details-view a special case must be respected: Per default the size
+    // and date should be shown without creating a .directory file. Only if
+    // the user explictly has modified the properties of the details view (marked
+    // by "CustomizedDetails"), also a details-view with no additional information
+    // is accepted.
+
+    QList<QByteArray> roles;
+    roles.append("name");
+
+    // Iterate through all stored keys and append all roles that match to
+    // the curren view mode.
+    const QString prefix = viewModePrefix();
+    const int prefixLength = prefix.length();
+
+    QStringList visibleRoles = m_node->visibleRoles();
+    if (visibleRoles.isEmpty() && m_node->version() <= AdditionalInfoViewPropertiesVersion) {
+        // Convert the obsolete additionalInfo-property from older versions into the
+        // visibleRoles-property
+        visibleRoles = const_cast<ViewProperties*>(this)->convertAdditionalInfo();
+    }
 
-    foreach (const KFileItemDelegate::Information info, infos) {
-        if (decodedInfo & infoAccessor.bitValue(info)) {
-            usedInfos.append(info);
+    foreach (const QString& visibleRole, visibleRoles) {
+        if (visibleRole.startsWith(prefix)) {
+            const QByteArray role = visibleRole.right(visibleRole.length() - prefixLength).toLatin1();
+            if (role != "name") {
+                roles.append(role);
+            }
         }
     }
 
-    return usedInfos;
-}
+    // For the details view the size and date should be shown per default
+    // until the additional information has been explicitly changed by the user
+    const bool useDefaultValues = roles.count() == 1 // "name"
+                                  && (m_node->viewMode() == DolphinView::DetailsView)
+                                  && !visibleRoles.contains(CustomizedDetailsString);
+    if (useDefaultValues) {
+        roles.append("size");
+        roles.append("date");
+    }
 
+    return roles;
+}
 
 void ViewProperties::setDirProperties(const ViewProperties& props)
 {
     setViewMode(props.viewMode());
-    setShowPreview(props.showPreview());
-    setShowHiddenFiles(props.showHiddenFiles());
-    setCategorizedSorting(props.categorizedSorting());
-    setSorting(props.sorting());
+    setPreviewsShown(props.previewsShown());
+    setHiddenFilesShown(props.hiddenFilesShown());
+    setGroupedSorting(props.groupedSorting());
+    setSortRole(props.sortRole());
     setSortOrder(props.sortOrder());
     setSortFoldersFirst(props.sortFoldersFirst());
-    setAdditionalInfo(props.additionalInfo());
+    setVisibleRoles(props.visibleRoles());
 }
 
 void ViewProperties::setAutoSaveEnabled(bool autoSave)
@@ -235,7 +311,7 @@ bool ViewProperties::isAutoSaveEnabled() const
     return m_autoSave;
 }
 
-void ViewProperties::updateTimeStamp()
+void ViewProperties::update()
 {
     m_changedProps = true;
     m_node->setTimestamp(QDateTime::currentDateTime());
@@ -244,6 +320,7 @@ void ViewProperties::updateTimeStamp()
 void ViewProperties::save()
 {
     KStandardDirs::makeDir(m_filePath);
+    m_node->setVersion(CurrentViewPropertiesVersion);
     m_node->writeConfig();
     m_changedProps = false;
 }
@@ -262,49 +339,62 @@ QString ViewProperties::destinationDir(const QString& subDir) const
     return KStandardDirs::locateLocal("data", basePath);
 }
 
-int ViewProperties::encodedAdditionalInfo(int info) const
+QString ViewProperties::viewModePrefix() const
 {
-    int encodedInfo = m_node->additionalInfo();
-
-    switch (viewMode()) {
-    case DolphinView::DetailsView:
-        encodedInfo = (encodedInfo & 0xFFFF00) | info;
-        break;
-    case DolphinView::IconsView:
-        encodedInfo = (encodedInfo & 0xFF00FF) | (info << 8);
-        break;
-    case DolphinView::ColumnView:
-        encodedInfo = (encodedInfo & 0x00FFFF) | (info << 16);
-        break;
-    default: break;
+    QString prefix;
+
+    switch (m_node->viewMode()) {
+    case DolphinView::IconsView:   prefix = "Icons_"; break;
+    case DolphinView::CompactView: prefix = "Compact_"; break;
+    case DolphinView::DetailsView: prefix = "Details_"; break;
+    default: kWarning() << "Unknown view-mode of the view properties";
     }
 
-    return encodedInfo;
+    return prefix;
 }
 
-int ViewProperties::decodedAdditionalInfo() const
+QStringList ViewProperties::convertAdditionalInfo()
 {
-    int decodedInfo = m_node->additionalInfo();
-
-    switch (viewMode()) {
-    case DolphinView::DetailsView:
-        decodedInfo = decodedInfo & 0xFF;
-        if (decodedInfo == 0) {
-            // A details view without any additional info makes no sense, hence
-            // provide at least a size-info and date-info as fallback
-            AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
-            decodedInfo = infoAccessor.bitValue(KFileItemDelegate::Size) |
-                          infoAccessor.bitValue(KFileItemDelegate::ModificationTime);
+    QStringList visibleRoles;
+
+    const QStringList additionalInfo = m_node->additionalInfo();
+    if (!additionalInfo.isEmpty()) {
+        // Convert the obsolete values like Icons_Size, Details_Date, ...
+        // to Icons_size, Details_date, ... where the suffix just represents
+        // the internal role. One special-case must be handled: "LinkDestination"
+        // has been used for "destination".
+        visibleRoles.reserve(additionalInfo.count());
+        foreach (const QString& info, additionalInfo) {
+            QString visibleRole = info;
+            int index = visibleRole.indexOf('_');
+            if (index >= 0 && index + 1 < visibleRole.length()) {
+                ++index;
+                if (visibleRole[index] == QLatin1Char('L')) {
+                    visibleRole.replace("LinkDestination", "destination");
+                } else {
+                    visibleRole[index] = visibleRole[index].toLower();
+                }
+            }
+            visibleRoles.append(visibleRole);
         }
-        break;
-    case DolphinView::IconsView:
-        decodedInfo = (decodedInfo >> 8) & 0xFF;
-        break;
-    case DolphinView::ColumnView:
-        decodedInfo = (decodedInfo >> 16) & 0xFF;
-        break;
-    default: break;
     }
 
-    return decodedInfo;
+    m_node->setAdditionalInfo(QStringList());
+    m_node->setVisibleRoles(visibleRoles);
+    update();
+
+    return visibleRoles;
+}
+
+bool ViewProperties::isPartOfHome(const QString& filePath)
+{
+    // For performance reasons cache the path in a static QString
+    // (see QDir::homePath() for more details)
+    static QString homePath;
+    if (homePath.isEmpty()) {
+        homePath = QDir::homePath();
+        Q_ASSERT(!homePath.isEmpty());
+    }
+
+    return filePath.startsWith(homePath);
 }