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