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koffice/kexi/widget/utils/kexidatetimeformatter.cpp

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/* This file is part of the KDE project
Copyright (C) 2006 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 "kexidatetimeformatter.h"
#include <kdebug.h>
#include <klocale.h>
#include <kglobal.h>
#include <kdatepicker.h>
#include <kdatetbl.h>
#include <klineedit.h>
#include <kpopupmenu.h>
#include <kdatewidget.h>
KexiDateFormatter::KexiDateFormatter()
{
// use "short date" format system settings
//! @todo allow to override the format using column property and/or global app settings
TQString df( KGlobal::locale()->dateFormatShort() );
if (df.length()>2)
m_separator = df.mid(2,1);
else
m_separator = "-";
const int separatorLen = m_separator.length();
TQString yearMask("9999");
TQString yearDateFormat("yyyy"),
monthDateFormat("MM"),
dayDateFormat("dd"); //for setting up m_dateFormat
bool ok = df.length()>=8;
int yearpos, monthpos, daypos; //result of df.find()
if (ok) {//look at % variables
//! @todo more variables are possible here, see void KLocale::setDateFormatShort() docs
//! http://developer.kde.org/documentation/library/3.5-api/kdelibs-apidocs/kdecore/html/classKLocale.html#a59
yearpos = df.find("%y", 0, false); //&y or %y
m_longYear = !(yearpos>=0 && df.mid(yearpos+1, 1)=="y");
if (!m_longYear) {
yearMask = "99";
yearDateFormat = "yy";
}
monthpos = df.find("%m", 0, true); //%m or %n
m_monthWithLeadingZero = true;
if (monthpos<0) {
monthpos = df.find("%n", 0, false);
m_monthWithLeadingZero = false;
monthDateFormat = "M";
}
daypos = df.find("%d", 0, true);//%d or %e
m_dayWithLeadingZero = true;
if (daypos<0) {
daypos = df.find("%e", 0, false);
m_dayWithLeadingZero = false;
dayDateFormat = "d";
}
ok = (yearpos>=0 && monthpos>=0 && daypos>=0);
}
m_order = TQDateEdit::YMD; //default
if (ok) {
if (yearpos<monthpos && monthpos<daypos) {
//will be set in "default: YMD"
}
else if (yearpos<daypos && daypos<monthpos) {
m_order = TQDateEdit::YDM;
//! @todo use TQRegExp (to replace %Y by %1, etc.) instead of hardcoded "%1%299%399"
//! because df may contain also other characters
m_inputMask = TQString("%1%299%399").tqarg(yearMask).tqarg(m_separator).tqarg(m_separator);
m_qtFormat = yearDateFormat+m_separator+dayDateFormat+m_separator+monthDateFormat;
m_yearpos = 0;
m_daypos = yearMask.length()+separatorLen;
m_monthpos = m_daypos+2+separatorLen;
}
else if (daypos<monthpos && monthpos<yearpos) {
m_order = TQDateEdit::DMY;
m_inputMask = TQString("99%199%2%3").tqarg(m_separator).tqarg(m_separator).tqarg(yearMask);
m_qtFormat = dayDateFormat+m_separator+monthDateFormat+m_separator+yearDateFormat;
m_daypos = 0;
m_monthpos = 2+separatorLen;
m_yearpos = m_monthpos+2+separatorLen;
}
else if (monthpos<daypos && daypos<yearpos) {
m_order = TQDateEdit::MDY;
m_inputMask = TQString("99%199%2%3").tqarg(m_separator).tqarg(m_separator).tqarg(yearMask);
m_qtFormat = monthDateFormat+m_separator+dayDateFormat+m_separator+yearDateFormat;
m_monthpos = 0;
m_daypos = 2+separatorLen;
m_yearpos = m_daypos+2+separatorLen;
}
else
ok = false;
}
if (!ok || m_order == TQDateEdit::YMD) {//default: YMD
m_inputMask = TQString("%1%299%399").tqarg(yearMask).tqarg(m_separator).tqarg(m_separator);
m_qtFormat = yearDateFormat+m_separator+monthDateFormat+m_separator+dayDateFormat;
m_yearpos = 0;
m_monthpos = yearMask.length()+separatorLen;
m_daypos = m_monthpos+2+separatorLen;
}
m_inputMask += ";_";
}
KexiDateFormatter::~KexiDateFormatter()
{
}
TQDate KexiDateFormatter::stringToDate( const TQString& str ) const
{
bool ok = true;
int year = str.mid(m_yearpos, m_longYear ? 4 : 2).toInt(&ok);
if (!ok)
return TQDate();
if (year < 30) {//2000..2029
year = 2000 + year;
}
else if (year < 100) {//1930..1999
year = 1900 + year;
}
int month = str.mid(m_monthpos, 2).toInt(&ok);
if (!ok)
return TQDate();
int day = str.mid(m_daypos, 2).toInt(&ok);
if (!ok)
return TQDate();
TQDate date(year, month, day);
if (!date.isValid())
return TQDate();
return date;
}
TQVariant KexiDateFormatter::stringToVariant( const TQString& str ) const
{
if (isEmpty(str))
return TQVariant();
const TQDate date( stringToDate( str ) );
if (date.isValid())
return date;
return TQVariant();
}
bool KexiDateFormatter::isEmpty( const TQString& str ) const
{
TQString s(str);
return s.replace(m_separator,"").stripWhiteSpace().isEmpty();
}
TQString KexiDateFormatter::dateToString( const TQDate& date ) const
{
return date.toString(m_qtFormat);
}
//------------------------------------------------
KexiTimeFormatter::KexiTimeFormatter()
: m_hmsRegExp( new TQRegExp("(\\d*):(\\d*):(\\d*).*( am| pm){,1}", false/*!CS*/) )
, m_hmRegExp( new TQRegExp("(\\d*):(\\d*).*( am| pm){,1}", false/*!CS*/) )
{
TQString tf( KGlobal::locale()->timeFormat() );
//m_hourpos, m_minpos, m_secpos; are result of tf.find()
TQString hourVariable, minVariable, secVariable;
//detect position of HOUR section: find %H or %k or %I or %l
m_24h = true;
m_hoursWithLeadingZero = true;
m_hourpos = tf.find("%H", 0, true);
if (m_hourpos>=0) {
m_24h = true;
m_hoursWithLeadingZero = true;
}
else {
m_hourpos = tf.find("%k", 0, true);
if (m_hourpos>=0) {
m_24h = true;
m_hoursWithLeadingZero = false;
}
else {
m_hourpos = tf.find("%I", 0, true);
if (m_hourpos>=0) {
m_24h = false;
m_hoursWithLeadingZero = true;
}
else {
m_hourpos = tf.find("%l", 0, true);
if (m_hourpos>=0) {
m_24h = false;
m_hoursWithLeadingZero = false;
}
}
}
}
m_minpos = tf.find("%M", 0, true);
m_secpos = tf.find("%S", 0, true); //can be -1
m_ampmpos = tf.find("%p", 0, true); //can be -1
if (m_hourpos<0 || m_minpos<0) {
//set default: hr and min are needed, sec are optional
tf = "%H:%M:%S";
m_24h = true;
m_hoursWithLeadingZero = false;
m_hourpos = 0;
m_minpos = 3;
m_secpos = m_minpos + 3;
m_ampmpos = -1;
}
hourVariable = tf.mid(m_hourpos, 2);
m_inputMask = tf;
// m_inputMask.replace( hourVariable, "00" );
// m_inputMask.replace( "%M", "00" );
// m_inputMask.replace( "%S", "00" ); //optional
m_inputMask.replace( hourVariable, "99" );
m_inputMask.replace( "%M", "99" );
m_inputMask.replace( "%S", "00" ); //optional
m_inputMask.replace( "%p", "AA" ); //am or pm
m_inputMask += ";_";
m_outputFormat = tf;
}
KexiTimeFormatter::~KexiTimeFormatter()
{
delete m_hmsRegExp;
delete m_hmRegExp;
}
TQTime KexiTimeFormatter::stringToTime( const TQString& str ) const
{
int hour, min, sec;
bool pm = false;
bool tryWithoutSeconds = true;
if (m_secpos>=0) {
if (-1 != m_hmsRegExp->search(str)) {
hour = m_hmsRegExp->cap(1).toInt();
min = m_hmsRegExp->cap(2).toInt();
sec = m_hmsRegExp->cap(3).toInt();
if (m_ampmpos >= 0 && m_hmsRegExp->numCaptures()>3)
pm = m_hmsRegExp->cap(4).stripWhiteSpace().lower()=="pm";
tryWithoutSeconds = false;
}
}
if (tryWithoutSeconds) {
if (-1 == m_hmRegExp->search(str))
return TQTime(99,0,0);
hour = m_hmRegExp->cap(1).toInt();
min = m_hmRegExp->cap(2).toInt();
sec = 0;
if (m_ampmpos >= 0 && m_hmRegExp->numCaptures()>2)
pm = m_hmsRegExp->cap(4).lower()=="pm";
}
if (pm && hour < 12)
hour += 12; //PM
return TQTime(hour, min, sec);
}
TQVariant KexiTimeFormatter::stringToVariant( const TQString& str )
{
if (isEmpty( str ))
return TQVariant();
const TQTime time( stringToTime( str ) );
if (time.isValid())
return time;
return TQVariant();
}
bool KexiTimeFormatter::isEmpty( const TQString& str ) const
{
TQString s(str);
return s.replace(':',"").stripWhiteSpace().isEmpty();
}
TQString KexiTimeFormatter::timeToString( const TQTime& time ) const
{
if (!time.isValid())
return TQString();
TQString s(m_outputFormat);
if (m_24h) {
if (m_hoursWithLeadingZero)
s.replace( "%H", TQString::tqfromLatin1(time.hour()<10 ? "0" : "") + TQString::number(time.hour()) );
else
s.replace( "%k", TQString::number(time.hour()) );
}
else {
int time12 = (time.hour()>12) ? (time.hour()-12) : time.hour();
if (m_hoursWithLeadingZero)
s.replace( "%I", TQString::tqfromLatin1(time12<10 ? "0" : "") + TQString::number(time12) );
else
s.replace( "%l", TQString::number(time12) );
}
s.replace( "%M", TQString::tqfromLatin1(time.minute()<10 ? "0" : "") + TQString::number(time.minute()) );
if (m_secpos>=0)
s.replace( "%S", TQString::tqfromLatin1(time.second()<10 ? "0" : "") + TQString::number(time.second()) );
if (m_ampmpos>=0)
s.replace( "%p", KGlobal::locale()->translate( time.hour()>=12 ? "pm" : "am") );
return s;
}
//------------------------------------------------
TQString dateTimeInputMask(const KexiDateFormatter& dateFormatter, const KexiTimeFormatter& timeFormatter)
{
TQString tqmask(dateFormatter.inputMask());
tqmask.truncate(dateFormatter.inputMask().length()-2);
return tqmask + " " + timeFormatter.inputMask();
}
TQDateTime stringToDateTime(
const KexiDateFormatter& dateFormatter, const KexiTimeFormatter& timeFormatter, const TQString& str)
{
TQString s( str.stripWhiteSpace() );
const int timepos = s.find(" ");
const bool emptyTime = timepos >= 0 && timeFormatter.isEmpty(s.mid(timepos+1)); //.replace(':',"").stripWhiteSpace().isEmpty();
if (emptyTime)
s = s.left(timepos);
if (timepos>0 && !emptyTime) {
return TQDateTime(
dateFormatter.stringToDate( s.left(timepos) ),
timeFormatter.stringToTime( s.mid(timepos+1) )
);
}
else {
return TQDateTime(
dateFormatter.stringToDate( s ),
TQTime(0,0,0)
);
}
}
bool dateTimeIsEmpty( const KexiDateFormatter& dateFormatter, const KexiTimeFormatter& timeFormatter,
const TQString& str )
{
int timepos = str.find(" ");
const bool emptyTime = timepos >= 0 && timeFormatter.isEmpty(str.mid(timepos+1)); //s.mid(timepos+1).replace(':',"").stripWhiteSpace().isEmpty();
return (timepos >= 0 && dateFormatter.isEmpty(str.left(timepos)) //s.left(timepos).replace(m_dateFormatter.separator(), "").stripWhiteSpace().isEmpty()
&& emptyTime);
}
bool dateTimeIsValid( const KexiDateFormatter& dateFormatter,
const KexiTimeFormatter& timeFormatter, const TQString& str )
{
int timepos = str.find(" ");
const bool emptyTime = timepos >= 0 && timeFormatter.isEmpty(str.mid(timepos+1)); //s.mid(timepos+1).replace(':',"").stripWhiteSpace().isEmpty();
if (timepos >= 0 && dateFormatter.isEmpty(str.left(timepos)) // s.left(timepos).replace(m_dateFormatter.separator(), "").stripWhiteSpace().isEmpty()
&& emptyTime)
//empty date/time is valid
return true;
return timepos>=0 && dateFormatter.stringToDate( str.left(timepos) ).isValid()
&& (emptyTime /*date without time is also valid*/ || timeFormatter.stringToTime( str.mid(timepos+1) ).isValid());
}