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Implement search filters in the proxy model. Partially closes #972

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Eugene Shalygin 2015-09-23 22:20:22 +02:00 • committed by Eugene Shalygin
parent 93d8cadaaf
commit 1336cb7a61
16 changed files with 704 additions and 133 deletions
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52
src/base/utils/misc.cpp
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@ -86,7 +86,9 @@ static struct { const char *source; const char *comment; } units[] = {
QT_TRANSLATE_NOOP3("misc", "KiB", "kibibytes (1024 bytes)"),
QT_TRANSLATE_NOOP3("misc", "MiB", "mebibytes (1024 kibibytes)"),
QT_TRANSLATE_NOOP3("misc", "GiB", "gibibytes (1024 mibibytes)"),
QT_TRANSLATE_NOOP3("misc", "TiB", "tebibytes (1024 gibibytes)")
QT_TRANSLATE_NOOP3("misc", "TiB", "tebibytes (1024 gibibytes)"),
QT_TRANSLATE_NOOP3("misc", "PiB", "pebibytes (1024 tebibytes)"),
QT_TRANSLATE_NOOP3("misc", "EiB", "exbibytes (1024 pebibytes)")
};
#ifndef DISABLE_GUI
@ -318,30 +320,58 @@ QString Utils::Misc::pythonVersionComplete() {
return version;
}
// return best userfriendly storage unit (B, KiB, MiB, GiB, TiB)
QString Utils::Misc::unitString(Utils::Misc::SizeUnit unit)
{
return QCoreApplication::translate("misc",
units[static_cast<int>(unit)].source, units[static_cast<int>(unit)].comment);
}
// 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
// to send numbers instead of strings with suffixes
QString Utils::Misc::friendlyUnit(qreal val, bool is_speed)
bool Utils::Misc::friendlyUnit(qint64 sizeInBytes, qreal &val, Utils::Misc::SizeUnit &unit)
{
if (val < 0)
return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
if (sizeInBytes < 0) return false;
int i = 0;
while(val >= 1024. && i < 4) {
val /= 1024.;
qreal rawVal = static_cast<qreal>(sizeInBytes);
while ((rawVal >= 1024.) && (i <= static_cast<int>(SizeUnit::ExbiByte))) {
rawVal /= 1024.;
++i;
}
val = rawVal;
unit = static_cast<SizeUnit>(i);
return true;
}
QString Utils::Misc::friendlyUnit(qint64 bytesValue, bool isSpeed)
{
SizeUnit unit;
qreal friendlyVal;
if (!friendlyUnit(bytesValue, friendlyVal, unit)) {
return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
}
QString ret;
if (i == 0)
ret = QString::number((long)val) + " " + QCoreApplication::translate("misc", units[0].source, units[0].comment);
if (unit == SizeUnit::Byte)
ret = QString::number(bytesValue) + " " + unitString(unit);
else
ret = Utils::String::fromDouble(val, 1) + " " + QCoreApplication::translate("misc", units[i].source, units[i].comment);
if (is_speed)
ret = Utils::String::fromDouble(friendlyVal, 1) + " " + unitString(unit);
if (isSpeed)
ret += QCoreApplication::translate("misc", "/s", "per second");
return ret;
}
qlonglong Utils::Misc::sizeInBytes(qreal size, Utils::Misc::SizeUnit unit)
{
for (int i = 0; i < static_cast<int>(unit); ++i) {
size *= 1024;
}
return size;
}
bool Utils::Misc::isPreviewable(const QString& extension)
{
static QSet<QString> multimedia_extensions;