/**************************************************************** * This file is distributed under the following license: * * Copyright (c) 2008, defnax * Copyright (C) 2006 Christophe Dumez * * 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 #include #include #include #include #include "misc.h" // return best userfriendly storage unit (B, KiB, MiB, GiB, TiB) // use Binary prefix standards from IEC 60027-2 // see http://en.wikipedia.org/wiki/Kilobyte // value must be given in bytes QString misc::friendlyUnit(float val) { if(val < 0) { return tr("Unknown", "Unknown (size)"); } const QString units[5] = {tr(" B", "bytes"), tr(" KB", "kilobytes (1024 bytes)"), tr(" MB", "megabytes (1024 kilobytes)"), tr(" GB", "gigabytes (1024 megabytes)"), tr(" TB", "terabytes (1024 gigabytes)") }; for(unsigned int i=0; i<5; ++i) { if (val < 1024.) { return QString(QByteArray::number(val, 'f', 1)) + units[i]; } val /= 1024.; } return QString(QByteArray::number(val, 'f', 1)) + tr(" TB", "terabytes (1024 gigabytes)"); } QString misc::fingerPrintStyleSplit(const QString& in) { QString rest = in ; QString res ; if(in.isNull()) return in ; for(int i=0;i,< use unicode code for sorting // which is not what a human would expect when sorting strings. void misc::insertSortString(QList > &list, QPair value, Qt::SortOrder sortOrder) { int i = 0; if(sortOrder == Qt::AscendingOrder) { while(i < list.size() and QString::localeAwareCompare(value.second, list.at(i).second) > 0) { ++i; } }else{ while(i < list.size() and QString::localeAwareCompare(value.second, list.at(i).second) < 0) { ++i; } } list.insert(i, value); } float misc::getPluginVersion(QString filePath) { QFile plugin(filePath); if(!plugin.exists()){ qDebug("%s plugin does not exist, returning 0.0", filePath.toUtf8().data()); return 0.0; } if(!plugin.open(QIODevice::ReadOnly | QIODevice::Text)){ return 0.0; } float version = 0.0; while (!plugin.atEnd()){ QByteArray line = plugin.readLine(); if(line.startsWith("#VERSION: ")){ line = line.split(' ').last(); line.replace("\n", ""); version = line.toFloat(); qDebug("plugin %s version: %.2f", filePath.toUtf8().data(), version); break; } } return version; } // Take a number of seconds and return an user-friendly // time duration like "1d 2h 10m". QString misc::userFriendlyDuration(qlonglong seconds) { if(seconds < 0) { return tr("Unknown"); } if(seconds < 60) { return tr("< 1m", "< 1 minute"); } int minutes = seconds / 60; if(minutes < 60) { return tr("%1 minutes","e.g: 10minutes").arg(minutes); } int hours = minutes / 60; minutes = minutes - hours*60; if(hours < 24) { return tr("%1h %2m", "e.g: 3hours 5minutes").arg(hours).arg(minutes); } int days = hours / 24; hours = hours - days * 24; if(days < 365) { return tr("%1d %2h", "e.g: 2days 10hours").arg(days).arg(hours); } int years = days / 365; days = days - years * 365; return tr("%1y %2d", "e.g: 2 years 2days ").arg(years).arg(days); } QString misc::timeRelativeToNow(uint32_t mtime) { time_t now = time(NULL) ; if(mtime > now) return misc::userFriendlyDuration(mtime - (int)now) + " (ahead of now)"; else return misc::userFriendlyDuration(now - (int)mtime) ; } QString misc::userFriendlyUnit(double count, unsigned int decimal, double factor) { if (count <= 0.0) { return "0"; } QString output; int i; for (i = 0; i < 5; ++i) { if (count < factor) { break; } count /= factor; } QString unit; switch (i) { case 0: decimal = 0; // no decimal break; case 1: unit = tr("k", "e.g: 3.1 k"); break; case 2: unit = tr("M", "e.g: 3.1 M"); break; case 3: unit = tr("G", "e.g: 3.1 G"); break; default: // >= 4 unit = tr("T", "e.g: 3.1 T"); } return QString("%1 %2").arg(count, 0, 'f', decimal).arg(unit); } QString misc::removeNewLine(const QString &text) { return QString(text).replace("\n", " "); } QString misc::removeNewLine(const std::string &text) { return QString::fromUtf8(text.c_str()).replace("\n", " "); } QString misc::removeNewLine(const std::wstring &text) { return QString::fromStdWString(text).replace("\n", " "); } /*! * Let's the user choose an avatar picture file, which is returned as a PNG thumbnail * in a byte array * * return false, if the user canceled the dialog, otherwise true */ bool misc::getOpenAvatarPicture(QWidget *parent, QByteArray &image_data) { QPixmap picture = getOpenThumbnailedPicture(parent, tr("Load avatar image"), 96, 96); if (picture.isNull()) return false; // save image in QByteArray QBuffer buffer(&image_data); buffer.open(QIODevice::WriteOnly); picture.save(&buffer, "PNG"); // writes image into ba in PNG format return true; } /*! * Open a QFileDialog to let the user choose a picture file. * This picture is converted to a thumbnail and returned as a QPixmap. * * \return a null pixmap, if the user canceled the dialog, otherwise the chosen picture */ QPixmap misc::getOpenThumbnailedPicture(QWidget *parent, const QString &caption, int width, int height) { // Let the user choose an picture file QString fileName; if (!getOpenFileName(parent, RshareSettings::LASTDIR_IMAGES, caption, tr("Pictures (*.png *.jpeg *.xpm *.jpg *.tiff *.gif)"), fileName)) return QPixmap(); return QPixmap(fileName).scaledToHeight(height, Qt::SmoothTransformation).copy( 0, 0, width, height); //return QPixmap(fileName).scaledToHeight(width, height, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation); } bool misc::getOpenFileName(QWidget *parent, RshareSettings::enumLastDir type , const QString &caption, const QString &filter , QString &file, QFileDialog::Options options) { QString lastDir = Settings->getLastDir(type); file = QFileDialog::getOpenFileName(parent, caption, lastDir, filter, NULL, QFileDialog::DontResolveSymlinks | QFileDialog::DontUseNativeDialog | options); if (file.isEmpty()) return false; lastDir = QFileInfo(file).absoluteDir().absolutePath(); Settings->setLastDir(type, lastDir); #ifdef WINDOWS_SYS // fix bug in Qt for Windows Vista and higher, convert path from native separators if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) file = QDir::fromNativeSeparators(file); #endif return true; } bool misc::getOpenFileNames(QWidget *parent, RshareSettings::enumLastDir type , const QString &caption, const QString &filter , QStringList &files, QFileDialog::Options options) { QString lastDir = Settings->getLastDir(type); files = QFileDialog::getOpenFileNames(parent, caption, lastDir, filter, NULL, QFileDialog::DontResolveSymlinks | QFileDialog::DontUseNativeDialog | options); if (files.isEmpty()) return false; lastDir = QFileInfo(*files.begin()).absoluteDir().absolutePath(); Settings->setLastDir(type, lastDir); #ifdef WINDOWS_SYS // fix bug in Qt for Windows Vista and higher, convert path from native separators if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)) for (QStringList::iterator file = files.begin(); file != files.end(); ++file) { (*file) = QDir::fromNativeSeparators(*file); } #endif return true; } bool misc::getSaveFileName(QWidget *parent, RshareSettings::enumLastDir type , const QString &caption , const QString &filter , QString &file, QString *selectedFilter , QFileDialog::Options options) { QString lastDir = Settings->getLastDir(type); file = QFileDialog::getSaveFileName(parent, caption, lastDir, filter, selectedFilter, QFileDialog::DontUseNativeDialog | options); if (file.isEmpty()) return false; lastDir = QFileInfo(file).absoluteDir().absolutePath(); Settings->setLastDir(type, lastDir); return true; }