kexi

kexitimetableedit.cpp

00001 /* This file is part of the KDE project
00002    Copyright (C) 2004,2006 Jaroslaw Staniek <js@iidea.pl>
00003 
00004    This program is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This program is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this program; see the file COPYING.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018  */
00019 
00020 #include "kexitimetableedit.h"
00021 
00022 #include <qapplication.h>
00023 #include <qpainter.h>
00024 #include <qvariant.h>
00025 #include <qrect.h>
00026 #include <qpalette.h>
00027 #include <qcolor.h>
00028 #include <qfontmetrics.h>
00029 #include <qdatetime.h>
00030 #include <qcursor.h>
00031 #include <qpoint.h>
00032 #include <qlayout.h>
00033 #include <qtoolbutton.h>
00034 #include <qdatetimeedit.h>
00035 
00036 #include <kdebug.h>
00037 #include <klocale.h>
00038 #include <kglobal.h>
00039 #include <kdatepicker.h>
00040 #include <kdatetbl.h>
00041 #include <klineedit.h>
00042 #include <kpopupmenu.h>
00043 #include <kdatewidget.h>
00044 
00045 #include <kexiutils/utils.h>
00046 
00047 KexiTimeFormatter::KexiTimeFormatter()
00048 : m_hmsRegExp("(\\d*):(\\d*):(\\d*).*( am| pm){,1}", false)
00049  , m_hmRegExp("(\\d*):(\\d*).*( am| pm){,1}", false)
00050 {
00051     QString tf( KGlobal::locale()->timeFormat() );
00052     //m_hourpos, m_minpos, m_secpos; are result of tf.find()
00053     QString hourVariable, minVariable, secVariable;
00054 
00055     //detect position of HOUR section: find %H or %k or %I or %l
00056     m_24h = true;
00057     m_hoursWithLeadingZero = true;
00058     m_hourpos = tf.find("%H", 0, true);
00059     if (m_hourpos>=0) {
00060         m_24h = true;
00061         m_hoursWithLeadingZero = true;
00062     }
00063     else {
00064         m_hourpos = tf.find("%k", 0, true);
00065         if (m_hourpos>=0) {
00066             m_24h = true;
00067             m_hoursWithLeadingZero = false;
00068         }
00069         else {
00070             m_hourpos = tf.find("%I", 0, true);
00071             if (m_hourpos>=0) {
00072                 m_24h = false;
00073                 m_hoursWithLeadingZero = true;
00074             }
00075             else {
00076                 m_hourpos = tf.find("%l", 0, true);
00077                 if (m_hourpos>=0) {
00078                     m_24h = false;
00079                     m_hoursWithLeadingZero = false;
00080                 }
00081             }
00082         }
00083     }
00084     m_minpos = tf.find("%M", 0, true);
00085     m_secpos = tf.find("%S", 0, true); //can be -1
00086     m_ampmpos = tf.find("%p", 0, true); //can be -1
00087 
00088     if (m_hourpos<0 || m_minpos<0) {
00089         //set default: hr and min are needed, sec are optional
00090         tf = "%H:%M:%S";
00091         m_24h = true;
00092         m_hoursWithLeadingZero = false;
00093         m_hourpos = 0;
00094         m_minpos = 3;
00095         m_secpos = m_minpos + 3;
00096         m_ampmpos = -1;
00097     }
00098     hourVariable = tf.mid(m_hourpos, 2);
00099 
00100     m_inputMask = tf;
00101 //  m_inputMask.replace( hourVariable, "00" );
00102 //  m_inputMask.replace( "%M", "00" );
00103 //  m_inputMask.replace( "%S", "00" ); //optional
00104     m_inputMask.replace( hourVariable, "99" );
00105     m_inputMask.replace( "%M", "99" );
00106     m_inputMask.replace( "%S", "00" ); //optional
00107     m_inputMask.replace( "%p", "AA" ); //am or pm
00108     m_inputMask += ";_";
00109 
00110     m_outputFormat = tf;
00111 }
00112 
00113 KexiTimeFormatter::~KexiTimeFormatter()
00114 {
00115 }
00116 
00117 QString KexiTimeFormatter::timeToString( const QTime& time ) const
00118 {
00119     if (!time.isValid())
00120         return QString::null;
00121 
00122     QString s(m_outputFormat);
00123     if (m_24h) {
00124         if (m_hoursWithLeadingZero)
00125             s.replace( "%H", QString::fromLatin1(time.hour()<10 ? "0" : "") + QString::number(time.hour()) );
00126         else
00127             s.replace( "%k", QString::number(time.hour()) );
00128     }
00129     else {
00130         int time12 = (time.hour()>12) ? (time.hour()-12) : time.hour();
00131         if (m_hoursWithLeadingZero)
00132             s.replace( "%I", QString::fromLatin1(time12<10 ? "0" : "") + QString::number(time12) );
00133         else
00134             s.replace( "%l", QString::number(time12) );
00135     }
00136     s.replace( "%M", QString::fromLatin1(time.minute()<10 ? "0" : "") + QString::number(time.minute()) );
00137     if (m_secpos>=0)
00138         s.replace( "%S", QString::fromLatin1(time.second()<10 ? "0" : "") + QString::number(time.second()) );
00139     if (m_ampmpos>=0)
00140         s.replace( "%p", KGlobal::locale()->translate( time.hour()>=12 ? "pm" : "am") );
00141     return s;
00142 }
00143 
00144 QTime KexiTimeFormatter::stringToTime( const QString& str )
00145 {
00146     int hour, min, sec;
00147     bool pm = false;
00148 
00149     bool tryWithoutSeconds = true;
00150     if (m_secpos>=0) {
00151         if (-1 != m_hmsRegExp.search(str)) {
00152             hour = m_hmsRegExp.cap(1).toInt();
00153             min = m_hmsRegExp.cap(2).toInt();
00154             sec = m_hmsRegExp.cap(3).toInt();
00155             if (m_ampmpos >= 0 && m_hmsRegExp.numCaptures()>3)
00156                 pm = m_hmsRegExp.cap(4).stripWhiteSpace().lower()=="pm";
00157             tryWithoutSeconds = false;
00158         }
00159     }
00160     if (tryWithoutSeconds) {
00161         if (-1 == m_hmRegExp.search(str))
00162             return QTime(99,0,0);
00163         hour = m_hmRegExp.cap(1).toInt();
00164         min = m_hmRegExp.cap(2).toInt();
00165         sec = 0;
00166         if (m_ampmpos >= 0 && m_hmRegExp.numCaptures()>2)
00167             pm = m_hmsRegExp.cap(4).lower()=="pm";
00168     }
00169 
00170     if (pm && hour < 12)
00171         hour += 12; //PM
00172     return QTime(hour, min, sec);
00173 }
00174 
00175 //------------------------------------------------
00176 
00177 KexiTimeTableEdit::KexiTimeTableEdit(KexiTableViewColumn &column, QScrollView *parent)
00178  : KexiInputTableEdit(column, parent)
00179 {
00180     setName("KexiTimeTableEdit");
00181 
00183 
00184     m_lineedit->setInputMask( m_formatter.inputMask() );
00185 }
00186 
00187 KexiTimeTableEdit::~KexiTimeTableEdit()
00188 {
00189 }
00190 
00191 void KexiTimeTableEdit::setValueInternal(const QVariant& add_, bool removeOld)
00192 {
00193     if (removeOld) {
00194         //new time entering... just fill the line edit
00196         QString add(add_.toString());
00197         m_lineedit->setText(add);
00198         m_lineedit->setCursorPosition(add.length());
00199         return;
00200     }
00201     m_lineedit->setText( 
00202         m_formatter.timeToString( 
00203             //hack to avoid converting null variant to valid QTime(0,0,0)
00204             m_origValue.isValid() ? m_origValue.toTime() : QTime(99,0,0) 
00205         )
00206     );
00207     m_lineedit->setCursorPosition(0); //ok?
00208 }
00209 
00210 void KexiTimeTableEdit::setupContents( QPainter *p, bool focused, QVariant val, 
00211     QString &txt, int &align, int &x, int &y_offset, int &w, int &h )
00212 {
00213     Q_UNUSED(p);
00214     Q_UNUSED(focused);
00215     Q_UNUSED(x);
00216     Q_UNUSED(w);
00217     Q_UNUSED(h);
00218 #ifdef Q_WS_WIN
00219     y_offset = -1;
00220 #else
00221     y_offset = 0;
00222 #endif
00223     if (!val.isNull() && val.canCast(QVariant::Time))
00224         txt = m_formatter.timeToString(val.toTime());
00225     align |= AlignLeft;
00226 }
00227 
00228 bool KexiTimeTableEdit::valueIsNull()
00229 {
00230     if (m_lineedit->text().replace(':',"").stripWhiteSpace().isEmpty())
00231         return true;
00232     return !timeValue().isValid();
00233 }
00234 
00235 bool KexiTimeTableEdit::valueIsEmpty()
00236 {
00237     return valueIsNull();// OK? TODO (nonsense?)
00238 }
00239 
00240 QTime KexiTimeTableEdit::timeValue()
00241 {
00242     return m_formatter.stringToTime( m_lineedit->text() );
00243 }
00244 
00245 QVariant KexiTimeTableEdit::value()
00246 {
00247     if (m_lineedit->text().replace(':',"").stripWhiteSpace().isEmpty())
00248         return QVariant();
00249     return timeValue();
00250 
00251     //QDateTime - a hack needed because QVariant(QTime) has broken isNull()
00252 //  return QVariant(QDateTime( m_cleared ? QDate() : QDate(0,1,2)/*nevermind*/, m_edit->time()));
00253 }
00254 
00255 bool KexiTimeTableEdit::valueIsValid()
00256 {
00257     if (m_lineedit->text().replace(':',"").stripWhiteSpace().isEmpty()) //empty time is valid
00258         return true;
00259     return m_formatter.stringToTime( m_lineedit->text() ).isValid();
00260 }
00261 
00262 KEXI_CELLEDITOR_FACTORY_ITEM_IMPL(KexiTimeEditorFactoryItem, KexiTimeTableEdit)
00263 
00264 #include "kexitimetableedit.moc"
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