Added old KDE3 version of dolphin

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/dolphin@1076309 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 362 insertions, 0 deletions

diff --git a/src/viewproperties.cpp b/src/viewproperties.cpp
new file mode 100644
index 0000000..66d5935
--- /dev/null
+++ b/src/viewproperties.cpp
@@ -0,0 +1,362 @@
+/***************************************************************************
+ *   Copyright (C) 2006 by Peter Penz                                      *
+ *   [email protected]                                                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
+ ***************************************************************************/
+
+#include <assert.h>
+
+#include <qdatetime.h>
+#include <qdir.h>
+#include <qfile.h>
+
+#include <klocale.h>
+#include <kstandarddirs.h>
+#include <kurl.h>
+
+#include "viewproperties.h"
+#include "dolphinsettings.h"
+
+#define FILE_NAME "/.d3lphinview"
+
+ViewProperties::ViewProperties(KURL url) :
+      m_changedProps(false),
+      m_autoSave(true),
+      m_subDirValidityHidden(false)
+{
+    url.cleanPath(true);
+    m_filepath = url.path();
+
+    if ((m_filepath.length() < 1) || (m_filepath.at(0) != QChar('/'))) {
+        return;
+    }
+
+    // we try and save it to a file 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
+    DolphinSettings& settings = DolphinSettings::instance();
+    if (settings.isSaveView()) {
+    QString rootDir("/"); // TODO: should this be set to the root of the bookmark, if any?
+    if (url.isLocalFile()) {
+        QFileInfo info(m_filepath);
+
+        if (!info.isWritable()) {
+            QString basePath = KGlobal::instance()->instanceName();
+            basePath.append("/view_properties/local");
+            rootDir = locateLocal("data", basePath);
+            m_filepath = rootDir + m_filepath;
+        }
+    }
+    else { 
+        QString basePath = KGlobal::instance()->instanceName();
+        basePath.append("/view_properties/remote/").append(url.host());
+        rootDir = locateLocal("data", basePath);
+        m_filepath = rootDir + m_filepath;
+    }
+
+    QDir dir(m_filepath);
+    QFile file(m_filepath + FILE_NAME);
+
+    
+        PropertiesNode node(&file);
+    
+        const bool isValidForSubDirs = !node.isEmpty() && node.isValidForSubDirs();
+        while ((dir.path() != rootDir) && dir.cdUp()) {
+            QFile file(dir.path() + FILE_NAME);
+            PropertiesNode parentNode(&file);
+            if (!parentNode.isEmpty()) {
+                const bool inheritProps = parentNode.isValidForSubDirs() &&
+                                        (parentNode.subDirProperties().m_timeStamp >
+                                        node.localProperties().m_timeStamp);
+    
+                if (inheritProps) {
+                    node.setLocalProperties(parentNode.subDirProperties());
+				    break;
+                }
+            }
+        } 
+    
+        m_node = node;
+    
+        if (isValidForSubDirs) {
+            m_subDirValidityHidden = true;
+        }
+        m_node.setValidForSubDirs(false);
+    }
+}
+
+ViewProperties::~ViewProperties()
+{
+    if (m_changedProps && m_autoSave) {
+        save();
+    }
+}
+
+void ViewProperties::setViewMode(DolphinView::Mode mode)
+{
+    if (m_node.localProperties().m_viewMode != mode) {
+        m_node.setViewMode(mode);
+        updateTimeStamp();
+    }
+}
+
+DolphinView::Mode ViewProperties::viewMode() const
+{
+    return m_node.localProperties().m_viewMode;
+}
+
+void ViewProperties::setShowHiddenFilesEnabled(bool show)
+{
+    if (m_node.localProperties().m_showHiddenFiles != show) {
+        m_node.setShowHiddenFilesEnabled(show);
+        updateTimeStamp();
+    }
+}
+
+bool ViewProperties::isShowHiddenFilesEnabled() const
+{
+    return m_node.localProperties().m_showHiddenFiles;
+}
+
+void ViewProperties::setSorting(DolphinView::Sorting sorting)
+{
+    if (m_node.localProperties().m_sorting != sorting) {
+        m_node.setSorting(sorting);
+        updateTimeStamp();
+    }
+}
+
+DolphinView::Sorting ViewProperties::sorting() const
+{
+    return m_node.localProperties().m_sorting;
+}
+
+void ViewProperties::setSortOrder(Qt::SortOrder sortOrder)
+{
+    if (m_node.localProperties().m_sortOrder != sortOrder) {
+        m_node.setSortOrder(sortOrder);
+        updateTimeStamp();
+    }
+}
+
+Qt::SortOrder ViewProperties::sortOrder() const
+{
+    return m_node.localProperties().m_sortOrder;
+}
+
+void ViewProperties::setValidForSubDirs(bool valid)
+{
+    if (m_node.isValidForSubDirs() != valid) {
+        m_node.setValidForSubDirs(valid);
+        updateTimeStamp();
+    }
+}
+
+bool ViewProperties::isValidForSubDirs() const
+{
+    return m_node.isValidForSubDirs();
+}
+
+void ViewProperties::setAutoSaveEnabled(bool autoSave)
+{
+    m_autoSave = autoSave;
+}
+
+bool ViewProperties::isAutoSaveEnabled() const
+{
+    return m_autoSave;
+}
+
+void ViewProperties::save()
+{
+    DolphinSettings& settings = DolphinSettings::instance();
+    if (settings.isSaveView()) {
+        QFile file(m_filepath + FILE_NAME);
+        KStandardDirs::makeDir(m_filepath);
+        if (!file.open(IO_WriteOnly)) {
+            return;
+        }
+    
+        const Properties& props = m_node.localProperties();
+        char viewMode = static_cast<char>(props.m_viewMode) + '0';
+        char sorting = static_cast<char>(props.m_sorting) + '0';
+        const bool isValidForSubDirs = m_node.isValidForSubDirs() || m_subDirValidityHidden;
+    
+        QTextStream stream(&file);
+        stream << "V01"
+            << viewMode
+            << (props.m_showHiddenFiles ? '1' : '0')
+            << props.m_timeStamp.toString("yyyyMMddhhmmss")
+            << sorting
+            << ((props.m_sortOrder == Qt::Ascending) ? 'A' : 'D')
+            << (isValidForSubDirs ? '1' : '0');
+    
+        if (m_node.isValidForSubDirs()) {
+            m_node.setSubDirProperties(props);
+        }
+    
+        if (isValidForSubDirs) {
+            const Properties& subDirProps = m_node.subDirProperties();
+            viewMode = static_cast<char>(subDirProps.m_viewMode) + '0';
+            sorting = static_cast<char>(subDirProps.m_sorting) + '0';
+            stream << viewMode
+                << (subDirProps.m_showHiddenFiles ? '1' : '0')
+                << subDirProps.m_timeStamp.toString("yyyyMMddhhmmss")
+                << sorting
+                << ((subDirProps.m_sortOrder == Qt::Ascending) ? 'A' : 'D');
+        }
+        file.flush();
+        file.close();
+    
+        m_changedProps = false;
+    }
+}
+
+void ViewProperties::updateTimeStamp()
+{
+    m_changedProps = true;
+    m_node.setTimeStamp(QDateTime::currentDateTime());
+}
+
+ViewProperties::Properties::Properties() :
+    m_showHiddenFiles(false),
+    m_viewMode(DolphinView::IconsView),
+    m_sorting(DolphinView::SortByName),
+    m_sortOrder(Qt::Ascending)
+{
+    m_timeStamp.setDate(QDate(1999, 12, 31));
+    m_timeStamp.setTime(QTime(23, 59, 59));
+
+    m_viewMode = DolphinSettings::instance().defaultViewMode();
+}
+
+ViewProperties::Properties::~Properties()
+{
+}
+
+ViewProperties::PropertiesNode::PropertiesNode(QFile* file) :
+    m_empty(true)
+{
+    m_isValidForSubDirs = false;
+
+    if ((file != 0) && file->open(IO_ReadOnly)) {
+        m_empty = false;
+
+        const int max_len = 41;
+        static char buffer[max_len];
+
+        // TODO: use memset
+        for (int i = 0; i < max_len; ++i) {
+            buffer[i] = 0;
+        }
+
+        file->readLine(buffer, max_len);
+
+        // Check version of viewproperties file. The initial format
+        // sadly had no version numbering, which is indicated by a missing 'V'
+        // as first letter. The current scheme uses V + 2 digits.
+        int version = 0;
+        int startInc = 0;
+        if (buffer[0] == 'V') {
+            startInc = 3;        // skip version info (e. g. V01)
+            version = 1;
+            // currently no further versions are available:
+            assert(buffer[1] == '0');
+            assert(buffer[2] == '1');
+        }
+
+        int readBytes = readProperties(m_props, &buffer[startInc], version);
+        assert(readBytes >= 0);
+
+        // check whether sub directory properties are available
+        m_isValidForSubDirs = (buffer[startInc + readBytes] != '0');
+        if (m_isValidForSubDirs) {
+            readBytes = readProperties(m_subDirProps,
+                                       &buffer[startInc + readBytes + 1],
+                                       version);
+        }
+        file->close();
+
+        m_empty = (readBytes <= 0);
+    }
+}
+
+ViewProperties::PropertiesNode::~PropertiesNode()
+{
+}
+
+ViewProperties::PropertiesNode&
+    ViewProperties::PropertiesNode::operator = (const PropertiesNode& node)
+{
+    if (&node != this) {
+        m_empty = node.m_empty;
+        m_isValidForSubDirs = node.m_isValidForSubDirs;
+        m_props = node.m_props;
+        m_subDirProps = node.m_subDirProps;
+    }
+
+    return *this;
+}
+
+int ViewProperties::PropertiesNode::toInt(const char* buffer, int count) const
+{
+    assert(buffer != 0);
+
+    int value = 0;
+    for (int i = 0; i < count; ++i) {
+        value = value * 10 + static_cast<int>(buffer[i] - '0');
+    }
+
+    return value;
+}
+
+int ViewProperties::PropertiesNode::readProperties(Properties& props,
+                                                   const char* buffer,
+                                                   int version)
+{
+    props.m_viewMode = static_cast<DolphinView::Mode>(buffer[0] - '0');
+    props.m_showHiddenFiles = (buffer[1] != '0');
+
+    // read date
+    QDateTime timeStamp;
+    const int year  = toInt(&(buffer[2]), 4);
+    const int month = toInt(&(buffer[6]), 2);
+    const int day   = toInt(&(buffer[8]), 2);
+    QDate date(year, month, day);
+    timeStamp.setDate(date);
+
+    // read time
+    const int hour   = toInt(&(buffer[10]), 2);
+    const int minute = toInt(&(buffer[12]), 2);
+    const int second = toInt(&(buffer[14]), 2);
+    QTime time(hour, minute, second);
+    timeStamp.setTime(time);
+
+    props.m_timeStamp = timeStamp;
+
+    int readCount = 16;
+    if (version >= 1) {
+        // read sorting type and sorting order
+        props.m_sorting = static_cast<DolphinView::Sorting>(buffer[16] - '0');
+        props.m_sortOrder = (buffer[17] == 'A') ? Qt::Ascending : Qt::Descending;
+        readCount = 18;
+    }
+
+    return (date.isValid() && time.isValid()) ? readCount : -1;
+}
+
+