1 files changed, 265 insertions, 0 deletions
diff --git a/korganizer/datenavigator.cpp b/korganizer/datenavigator.cpp
new file mode 100644
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+++ b/korganizer/datenavigator.cpp
@@ -0,0 +1,265 @@
+/*
+    This file is part of KOrganizer.
+    Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>
+    Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include "datenavigator.h"
+
+#include "koglobals.h"
+
+#include <kcalendarsystem.h>
+
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+
+using namespace KCal;
+
+DateNavigator::DateNavigator( QObject *parent, const char *name )
+  : QObject( parent, name )
+{
+  mSelectedDates.append( QDate::currentDate() );
+}
+
+DateNavigator::~DateNavigator()
+{
+}
+
+DateList DateNavigator::selectedDates()
+{
+  return mSelectedDates;
+}
+
+int DateNavigator::datesCount() const
+{
+  return mSelectedDates.count();
+}
+
+void DateNavigator::selectDates( const DateList& dateList )
+{
+  if (dateList.count() > 0) {
+    mSelectedDates = dateList;
+    
+    emitSelected();
+  }
+}
+
+void DateNavigator::selectDate( const QDate &date )
+{
+  QDate d = date;
+
+  if ( !d.isValid() ) {
+    kdDebug(5850) << "DateNavigator::selectDates(QDate): an invalid date was passed as a parameter!" << endl;
+    d = QDate::currentDate();
+  }
+
+  mSelectedDates.clear();
+  mSelectedDates.append( d );
+
+  emitSelected();
+}
+
+void DateNavigator::selectDates( int count )
+{
+  selectDates( mSelectedDates.first(), count );
+}
+
+void DateNavigator::selectDates( const QDate &d, int count )
+{
+  DateList dates;
+
+  int i;
+  for( i = 0; i < count; ++i ) {
+    dates.append( d.addDays( i ) );
+  }
+  
+  mSelectedDates = dates;
+  
+  emitSelected();
+}
+
+void DateNavigator::selectWeekByDay( int weekDay, const QDate &d )
+{
+  int dateCount = mSelectedDates.count();
+  bool weekStart = ( weekDay == KGlobal::locale()->weekStartDay() );
+  if ( weekStart && dateCount == 7 ) selectWeek( d );
+  else selectDates( d, dateCount );
+}
+
+void DateNavigator::selectWeek()
+{
+  selectWeek( mSelectedDates.first() );
+}
+
+void DateNavigator::selectWeek( const QDate &d )
+{
+  int dayOfWeek = KOGlobals::self()->calendarSystem()->dayOfWeek( d );
+
+  int weekStart = KGlobal::locale()->weekStartDay();
+
+  QDate firstDate = d.addDays( weekStart - dayOfWeek );
+
+  if ( weekStart != 1 && dayOfWeek < weekStart ) {
+    firstDate = firstDate.addDays( -7 );
+  }
+
+  selectDates( firstDate, 7 );
+}
+
+void DateNavigator::selectWorkWeek()
+{
+  selectWorkWeek( mSelectedDates.first() );
+}
+
+void DateNavigator::selectWorkWeek( const QDate &d )
+{
+  int weekStart = KGlobal::locale()->weekStartDay();
+ 
+  int dayOfWeek = KOGlobals::self()->calendarSystem()->dayOfWeek( d );
+
+  QDate currentDate = d.addDays( weekStart - dayOfWeek );
+
+  if ( weekStart != 1 && dayOfWeek < weekStart ) {
+    currentDate = currentDate.addDays( -7 );
+  }
+
+  mSelectedDates.clear();
+  int mask = KOGlobals::self()->getWorkWeekMask();
+
+  for ( int i = 0; i < 7; ++i ) {
+    if( (1<< ((i + weekStart + 6) % 7)) & (mask) ) {
+	mSelectedDates.append(currentDate.addDays(i));
+    }
+  }
+  
+  emitSelected();
+}
+
+void DateNavigator::selectToday()
+{
+  QDate d = QDate::currentDate();
+
+  int dateCount = mSelectedDates.count();
+
+  if ( dateCount == 7 ) selectWeek( d );
+  else selectDates( d, dateCount );
+}
+
+void DateNavigator::selectPreviousYear()
+{
+  QDate firstSelected = mSelectedDates.first();
+  int weekDay = firstSelected.dayOfWeek();
+  firstSelected = KOGlobals::self()->calendarSystem()->addYears( firstSelected, -1 );
+
+  selectWeekByDay( weekDay, firstSelected );
+}
+
+void DateNavigator::selectPreviousMonth()
+{
+  QDate firstSelected = mSelectedDates.first();
+  int weekDay = firstSelected.dayOfWeek();
+  firstSelected = KOGlobals::self()->calendarSystem()->addMonths( firstSelected, -1 );
+
+  selectWeekByDay( weekDay, firstSelected );
+}
+
+void DateNavigator::selectPreviousWeek()
+{
+  QDate firstSelected = mSelectedDates.first();
+  int weekDay = firstSelected.dayOfWeek();
+  firstSelected = KOGlobals::self()->calendarSystem()->addDays( firstSelected, -7 );
+
+  selectWeekByDay( weekDay, firstSelected );
+}
+
+void DateNavigator::selectNextWeek()
+{
+  QDate firstSelected = mSelectedDates.first();
+  int weekDay = firstSelected.dayOfWeek();
+
+  firstSelected = KOGlobals::self()->calendarSystem()->addDays( firstSelected, 7 );
+
+  selectWeekByDay( weekDay, firstSelected );
+}
+
+void DateNavigator::selectNextMonth()
+{
+  QDate firstSelected = mSelectedDates.first();
+  int weekDay = firstSelected.dayOfWeek();
+
+  firstSelected = KOGlobals::self()->calendarSystem()->addMonths( firstSelected, 1 );
+
+  selectWeekByDay( weekDay, firstSelected );
+}
+
+void DateNavigator::selectNextYear()
+{
+  QDate firstSelected = mSelectedDates.first();
+  int weekDay = firstSelected.dayOfWeek();
+  firstSelected = KOGlobals::self()->calendarSystem()->addYears( firstSelected, 1 );
+
+  selectWeekByDay( weekDay, firstSelected );
+}
+
+void DateNavigator::selectPrevious()
+{
+  int offset = -7;
+  if ( datesCount() == 1 ) {
+    offset = -1;
+  }
+
+  selectDates( mSelectedDates.first().addDays( offset ), datesCount() );
+}
+
+void DateNavigator::selectNext()
+{
+  int offset = 7;
+  if ( datesCount() == 1 ) {
+    offset = 1;
+  }
+
+  selectDates( mSelectedDates.first().addDays( offset ), datesCount() );
+}
+
+void DateNavigator::selectMonth(int month)
+{
+  QDate firstSelected = mSelectedDates.first();
+  int weekDay = firstSelected.dayOfWeek();
+
+  const KCalendarSystem *calSys = KOGlobals::self()->calendarSystem();
+  int day = calSys->day( firstSelected );
+  calSys->setYMD( firstSelected, calSys->year(firstSelected), month, 1 );
+  int days = calSys->daysInMonth( firstSelected );
+  // As day we use either the selected date, or if the month has less days
+  // than that, we use the max day of that month
+  if ( day > days ) day = days;
+  calSys->setYMD( firstSelected, calSys->year( firstSelected ), month, day );
+
+  selectWeekByDay( weekDay, firstSelected );
+}
+
+void DateNavigator::emitSelected()
+{
+  emit datesSelected( mSelectedDates );
+}
+
+#include "datenavigator.moc"