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/* This file is part of the KDE project
Copyright (C) 2007 Jaroslaw Staniek <js@iidea.pl>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <klocale.h>
#include "kexitextformatter.h"
#include <widget/utils/kexidatetimeformatter.h>
#include <kexidb/utils.h>
//! @internal
class KexiTextFormatter::Private
{
public:
Private() : field(0), dateFormatter(0), timeFormatter(0)
{
}
~Private()
{
delete dateFormatter;
delete timeFormatter;
}
KexiDB::Field* field;
KexiDateFormatter *dateFormatter;
KexiTimeFormatter *timeFormatter;
};
KexiTextFormatter::KexiTextFormatter()
: d( new Private )
{
}
KexiTextFormatter::~KexiTextFormatter()
{
delete d;
}
void KexiTextFormatter::setField( KexiDB::Field* field )
{
d->field = field;
if (!d->field)
return;
if (d->field->type() == KexiDB::Field::Date || d->field->type() == KexiDB::Field::DateTime)
d->dateFormatter = new KexiDateFormatter();
else {
delete d->dateFormatter;
d->dateFormatter = 0;
}
if (d->field->type() == KexiDB::Field::Time || d->field->type() == KexiDB::Field::DateTime)
d->timeFormatter = new KexiTimeFormatter();
else {
delete d->timeFormatter;
d->timeFormatter = 0;
}
}
TQString KexiTextFormatter::valueToText(const TQVariant& value, const TQString& add) const
{
//cases, in order of expected frequency
if (!d->field || d->field->isTextType())
return value.toString() + add;
else if (d->field->isIntegerType()) {
if (value.toInt() == 0)
return add; //eat 0
}
else if (d->field->isFPNumericType()) {
//! @todo precision!
//! @todo support 'g' format
if (value.toDouble() == 0.0)
return add.isEmpty() ? "0" : add; //eat 0
#if 0 //moved to KexiDB::formatNumberForVisibleDecimalPlaces()
TQString text( TQString::number(value.toDouble(), 'f',
TQMAX(d->field->visibleDecimalPlaces(), 10)) ); //!<-- 10 is quite good maximum for fractional digits
//!< @todo add command line settings?
//! @todo (js): get decimal places settings here...
TQStringList sl = TQStringList::split(".", text);
//nothing
}
else if (sl.count()==2) {
// kdDebug() << "sl.count()=="<<sl.count()<< " " <<sl[0] << " | " << sl[1] << endl;
const TQString sl1 = sl[1];
int pos = sl1.length()-1;
if (pos>=1) {
for (;pos>=0 && sl1[pos]=='0';pos--)
;
pos++;
}
if (pos>0)
text = sl[0] + m_decsym + sl1.left(pos);
else
text = sl[0]; //no decimal point
}
#endif
return KexiDB::formatNumberForVisibleDecimalPlaces(
value.toDouble(), d->field->visibleDecimalPlaces() ) + add;
}
else if (d->field->type() == KexiDB::Field::Boolean) {
//! @todo temporary solution for booleans!
const bool boolValue = value.isNull() ? TQVariant(add).toBool() : value.toBool();
return boolValue ? "1" : "0";
}
else if (d->field->type() == KexiDB::Field::Date) {
return d->dateFormatter->dateToString( value.toString().isEmpty() ? TQDate() : value.toDate() );
}
else if (d->field->type() == KexiDB::Field::Time) {
return d->timeFormatter->timeToString(
//hack to avoid converting null variant to valid TQTime(0,0,0)
value.toString().isEmpty() ? value.toTime() : TQTime(99,0,0) );
}
else if (d->field->type() == KexiDB::Field::DateTime) {
if (value.toString().isEmpty() )
return add;
return d->dateFormatter->dateToString( value.toDateTime().date() ) + " " +
d->timeFormatter->timeToString( value.toDateTime().time() );
}
else if (d->field->type() == KexiDB::Field::BigInteger) {
if (value.toLongLong() == 0)
return add; //eat 0
}
//default: text
return value.toString() + add;
}
TQVariant KexiTextFormatter::textToValue(const TQString& text) const
{
if (!d->field)
return TQVariant();
const KexiDB::Field::Type t = d->field->type();
switch (t) {
case KexiDB::Field::Text:
case KexiDB::Field::LongText:
return text;
case KexiDB::Field::Byte:
case KexiDB::Field::ShortInteger:
return text.toShort();
//! @todo uint, etc?
case KexiDB::Field::Integer:
return text.toInt();
case KexiDB::Field::BigInteger:
return text.toLongLong();
case KexiDB::Field::Boolean:
//! @todo temporary solution for booleans!
return text == "1" ? TQVariant(true,1) : TQVariant(false,0);
case KexiDB::Field::Date:
return d->dateFormatter->stringToVariant( text );
case KexiDB::Field::Time:
return d->timeFormatter->stringToVariant( text );
case KexiDB::Field::DateTime:
return stringToDateTime(*d->dateFormatter, *d->timeFormatter, text);
case KexiDB::Field::Float:
case KexiDB::Field::Double: {
// replace custom decimal symbol with '.' as required by to{Float|Double}()
TQString fixedText( text );
fixedText.replace(TDEGlobal::locale()->decimalSymbol(), ".");
if (t == KexiDB::Field::Double)
return fixedText.toDouble();
return fixedText.toFloat();
}
default:
return text;
}
//! @todo more data types!
}
bool KexiTextFormatter::valueIsEmpty(const TQString& text) const
{
if (text.isEmpty())
return true;
if (d->field) {
const KexiDB::Field::Type t = d->field->type();
if (t == KexiDB::Field::Date)
return d->dateFormatter->isEmpty( text );
else if (t == KexiDB::Field::Time)
return d->timeFormatter->isEmpty( text );
else if (t == KexiDB::Field::Time)
return dateTimeIsEmpty( *d->dateFormatter, *d->timeFormatter, text );
}
//! @todo
return text.isEmpty();
}
bool KexiTextFormatter::valueIsValid(const TQString& text) const
{
if (!d->field)
return true;
//! @todo fix for fields with "required" property = true
if (valueIsEmpty(text)/*ok?*/)
return true;
const KexiDB::Field::Type t = d->field->type();
if (t == KexiDB::Field::Date)
return d->dateFormatter->stringToVariant( text ).isValid();
else if (t == KexiDB::Field::Time)
return d->timeFormatter->stringToVariant( text ).isValid();
else if (t == KexiDB::Field::DateTime)
return dateTimeIsValid( *d->dateFormatter, *d->timeFormatter, text );
//! @todo
return true;
}
TQString KexiTextFormatter::inputMask() const
{
const KexiDB::Field::Type t = d->field->type();
if (t==KexiDB::Field::Date) {
//! @todo use KDateWidget?
return d->dateFormatter->inputMask();
}
else if (t==KexiDB::Field::Time) {
//! @todo use KTimeWidget
d->timeFormatter->inputMask();
}
else if (t==KexiDB::Field::DateTime) {
dateTimeInputMask( *d->dateFormatter, *d->timeFormatter );
}
return TQString();
}
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