File indexing completed on 2024-04-28 15:14:02

 /***************************************************************************
     File                 : SettingsDatasetsPage.cpp
     Project              : LabPlot
     Description          : settings page for Datasets
     --------------------------------------------------------------------
     Copyright            : (C) 2019 Alexander Semke (alexander.semke@web.de)
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  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 "SettingsDatasetsPage.h"
 #include "backend/lib/macros.h"
 
 #include <KLocalizedString>
 
 #include <QDir>
 #include <QMessageBox>
 #include <QStandardPaths>
 
 /**
  * \brief Page for the 'General' settings of the Labplot settings dialog.
  */
 SettingsDatasetsPage::SettingsDatasetsPage(QWidget* parent) : SettingsPage(parent) {
     ui.setupUi(this);
 
     ui.bClearCache->setIcon(QIcon::fromTheme(QLatin1String("edit-clear")));
     ui.bClearCache->setToolTip(i18n("Clear downloaded files"));
     ui.bClearCache->setEnabled(false);
 
     connect(ui.bClearCache, &QPushButton::clicked, this, &SettingsDatasetsPage::clearCache);
 
     loadSettings();
 }
 
 void SettingsDatasetsPage::applySettings() {
 
 }
 
 void SettingsDatasetsPage::restoreDefaults() {
 }
 
 void SettingsDatasetsPage::loadSettings() {
     QDir dir(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + QLatin1String("/datasets_local/"));
     if (dir.exists()) {
         int count = dir.count() - 2; //subtract 2 for . and ..
         ui.lFiles->setText(i18n("Files - %1", count));
 
         if (count > 0) {
             ui.bClearCache->setEnabled(true);
 
             //calculate the size
             int size = 0;
             for (auto file : dir.entryList()) {
                 if (file == QLatin1Char('.') || file == QLatin1String(".."))
                     continue;
 
                 size += QFileInfo(dir, file).size();
             }
 
             SET_NUMBER_LOCALE
             QString sizeStr;
             if (size > 1024*1024)
                 sizeStr = numberLocale.toString(size/1024/1024) + QLatin1String("MB");
             if (size > 1024)
                 sizeStr = numberLocale.toString(size/1024) + QLatin1String("kB");
             else
                 sizeStr = numberLocale.toString(size) + QLatin1String("B");
 
             ui.lSize->setText(i18n("Total size - %1", sizeStr));
         } else
             ui.lSize->setText(i18n("Total size - 0B"));
     }
 }
 
 void SettingsDatasetsPage::clearCache() {
     QDir dir(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + QLatin1String("/datasets_local/"));
     if (dir.exists()) {
         for (auto fileName : dir.entryList()) {
             if (fileName == QLatin1Char('.') || fileName == QLatin1String(".."))
                 continue;
 
             QFile file(dir.path() + QLatin1String("/") + fileName);
             file.remove();
         }
 
         ui.lFiles->setText(i18n("Files - 0"));
         ui.lSize->setText(i18n("Total size - 0B"));
         ui.bClearCache->setEnabled(false);
         QMessageBox::information(this, i18n("Datasets cache"), i18n("Downloaded files successfully deleted."));
     }
 }