korganizer Library API Documentation

datenavigator.cpp

00001 /* 00002 This file is part of KOrganizer. 00003 Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org> 00004 00005 This program is free software; you can redistribute it and/or modify 00006 it under the terms of the GNU General Public License as published by 00007 the Free Software Foundation; either version 2 of the License, or 00008 (at your option) any later version. 00009 00010 This program is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 GNU General Public License for more details. 00014 00015 You should have received a copy of the GNU General Public License 00016 along with this program; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 00019 As a special exception, permission is given to link this program 00020 with any edition of Qt, and distribute the resulting executable, 00021 without including the source code for Qt in the source distribution. 00022 */ 00023 00024 #include "datenavigator.h" 00025 00026 #include "koglobals.h" 00027 00028 #include <kcalendarsystem.h> 00029 00030 #include <kdebug.h> 00031 #include <kglobal.h> 00032 #include <klocale.h> 00033 00034 using namespace KCal; 00035 00036 DateNavigator::DateNavigator( QObject *parent, const char *name ) 00037 : QObject( parent, name ) 00038 { 00039 mSelectedDates.append( QDate::currentDate() ); 00040 } 00041 00042 DateNavigator::~DateNavigator() 00043 { 00044 } 00045 00046 DateList DateNavigator::selectedDates() 00047 { 00048 return mSelectedDates; 00049 } 00050 00051 int DateNavigator::datesCount() const 00052 { 00053 return mSelectedDates.count(); 00054 } 00055 00056 void DateNavigator::selectDates( const DateList& dateList ) 00057 { 00058 if (dateList.count() > 0) { 00059 mSelectedDates = dateList; 00060 00061 emitSelected(); 00062 } 00063 } 00064 00065 void DateNavigator::selectDate( const QDate &date ) 00066 { 00067 QDate d = date; 00068 00069 if ( !d.isValid() ) { 00070 kdDebug(5850) << "DateNavigator::selectDates(QDate): an invalid date was passed as a parameter!" << endl; 00071 d = QDate::currentDate(); 00072 } 00073 00074 mSelectedDates.clear(); 00075 mSelectedDates.append( d ); 00076 00077 emitSelected(); 00078 } 00079 00080 void DateNavigator::selectDates( int count ) 00081 { 00082 selectDates( mSelectedDates.first(), count ); 00083 } 00084 00085 void DateNavigator::selectDates( const QDate &d, int count ) 00086 { 00087 DateList dates; 00088 00089 int i; 00090 for( i = 0; i < count; ++i ) { 00091 dates.append( d.addDays( i ) ); 00092 } 00093 00094 mSelectedDates = dates; 00095 00096 emitSelected(); 00097 } 00098 00099 void DateNavigator::selectWeekByDay( int weekDay, const QDate &d ) 00100 { 00101 int dateCount = mSelectedDates.count(); 00102 bool weekStart = ( weekDay == KGlobal::locale()->weekStartDay() ); 00103 if ( weekDay == 1 && dateCount == 5 ) selectWorkWeek( d ); 00104 else if ( weekStart && dateCount == 7 ) selectWeek( d ); 00105 else selectDates( d, dateCount ); 00106 } 00107 00108 void DateNavigator::selectWeek() 00109 { 00110 selectWeek( mSelectedDates.first() ); 00111 } 00112 00113 void DateNavigator::selectWeek( const QDate &d ) 00114 { 00115 int dayOfWeek = KOGlobals::self()->calendarSystem()->dayOfWeek( d ); 00116 00117 int weekStart = KGlobal::locale()->weekStartDay(); 00118 00119 QDate firstDate = d.addDays( weekStart - dayOfWeek ); 00120 00121 if ( weekStart != 1 && dayOfWeek < weekStart ) { 00122 firstDate = firstDate.addDays( -7 ); 00123 } 00124 00125 selectDates( firstDate, 7 ); 00126 } 00127 00128 void DateNavigator::selectWorkWeek() 00129 { 00130 selectWorkWeek( mSelectedDates.first() ); 00131 } 00132 00133 void DateNavigator::selectWorkWeek( const QDate &d ) 00134 { 00135 int dayOfWeek = KOGlobals::self()->calendarSystem()->dayOfWeek( d ); 00136 00137 QDate firstDate = d.addDays( 1 - dayOfWeek ); 00138 00139 int weekStart = KGlobal::locale()->weekStartDay(); 00140 if ( weekStart != 1 && dayOfWeek >= weekStart ) { 00141 firstDate = firstDate.addDays( 7 ); 00142 } 00143 00144 selectDates( firstDate, 5 ); 00145 } 00146 00147 void DateNavigator::selectToday() 00148 { 00149 QDate d = QDate::currentDate(); 00150 00151 int dateCount = mSelectedDates.count(); 00152 00153 if ( dateCount == 5 ) selectWorkWeek( d ); 00154 else if ( dateCount == 7 ) selectWeek( d ); 00155 else selectDates( d, dateCount ); 00156 } 00157 00158 void DateNavigator::selectPreviousYear() 00159 { 00160 QDate firstSelected = mSelectedDates.first(); 00161 int weekDay = firstSelected.dayOfWeek(); 00162 firstSelected = KOGlobals::self()->calendarSystem()->addYears( firstSelected, -1 ); 00163 00164 selectWeekByDay( weekDay, firstSelected ); 00165 } 00166 00167 void DateNavigator::selectPreviousMonth() 00168 { 00169 QDate firstSelected = mSelectedDates.first(); 00170 int weekDay = firstSelected.dayOfWeek(); 00171 firstSelected = KOGlobals::self()->calendarSystem()->addMonths( firstSelected, -1 ); 00172 00173 selectWeekByDay( weekDay, firstSelected ); 00174 } 00175 00176 void DateNavigator::selectPreviousWeek() 00177 { 00178 QDate firstSelected = mSelectedDates.first(); 00179 int weekDay = firstSelected.dayOfWeek(); 00180 firstSelected = KOGlobals::self()->calendarSystem()->addDays( firstSelected, -7 ); 00181 00182 selectWeekByDay( weekDay, firstSelected ); 00183 } 00184 00185 void DateNavigator::selectNextWeek() 00186 { 00187 QDate firstSelected = mSelectedDates.first(); 00188 int weekDay = firstSelected.dayOfWeek(); 00189 00190 firstSelected = KOGlobals::self()->calendarSystem()->addDays( firstSelected, 7 ); 00191 00192 selectWeekByDay( weekDay, firstSelected ); 00193 } 00194 00195 void DateNavigator::selectNextMonth() 00196 { 00197 QDate firstSelected = mSelectedDates.first(); 00198 int weekDay = firstSelected.dayOfWeek(); 00199 00200 firstSelected = KOGlobals::self()->calendarSystem()->addMonths( firstSelected, 1 ); 00201 00202 selectWeekByDay( weekDay, firstSelected ); 00203 } 00204 00205 void DateNavigator::selectNextYear() 00206 { 00207 QDate firstSelected = mSelectedDates.first(); 00208 int weekDay = firstSelected.dayOfWeek(); 00209 firstSelected = KOGlobals::self()->calendarSystem()->addYears( firstSelected, 1 ); 00210 00211 selectWeekByDay( weekDay, firstSelected ); 00212 } 00213 00214 void DateNavigator::selectPrevious() 00215 { 00216 int offset = -7; 00217 if ( datesCount() == 1 ) { 00218 offset = -1; 00219 } 00220 00221 selectDates( mSelectedDates.first().addDays( offset ), datesCount() ); 00222 } 00223 00224 void DateNavigator::selectNext() 00225 { 00226 int offset = 7; 00227 if ( datesCount() == 1 ) { 00228 offset = 1; 00229 } 00230 00231 selectDates( mSelectedDates.first().addDays( offset ), datesCount() ); 00232 } 00233 00234 void DateNavigator::selectMonth(int month) 00235 { 00236 QDate firstSelected = mSelectedDates.first(); 00237 int weekDay = firstSelected.dayOfWeek(); 00238 00239 const KCalendarSystem *calSys = KOGlobals::self()->calendarSystem(); 00240 calSys->setYMD( firstSelected, calSys->year(firstSelected), month, calSys->day(firstSelected) ); 00241 00242 selectWeekByDay( weekDay, firstSelected ); 00243 } 00244 00245 void DateNavigator::emitSelected() 00246 { 00247 emit datesSelected( mSelectedDates ); 00248 } 00249 00250 #include "datenavigator.moc"
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This file is part of the documentation for korganizer Library Version 3.2.2.
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