Initial revision

1 files changed, 364 insertions, 0 deletions

diff --git a/korganizer/kdatenavigator.cpp b/korganizer/kdatenavigator.cpp
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+/*
+    This file is part of KOrganizer.
+    Copyright (c) 2001,2002 Cornelius Schumacher <schumacher@kde.org>
+
+    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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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 <qstring.h>
+#include <qkeycode.h>
+#include <qlayout.h>
+#include <qtimer.h>
+#include <qframe.h>
+#include <qlabel.h>
+#include <qapplication.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <kglobal.h>
+
+#include "koglobals.h"
+#include "koprefs.h"
+#ifndef KORG_NOPLUGINS
+#include "kocore.h"
+#endif
+
+#include <kcalendarsystem.h>
+
+#include "navigatorbar.h"
+
+#include "kdatenavigator.h"
+
+KDateNavigator::KDateNavigator( QWidget *parent, Calendar *calendar,
+                                bool show_week_nums, const char *name,
+                                QDate startDate )
+  : QFrame(parent, name),
+    updateTimer(0L)
+{
+  mCalendar = calendar;
+
+  setFrameStyle(QFrame::NoFrame);
+
+  QGridLayout *topLayout = new QGridLayout(this,8,8);
+
+  if (! startDate.isValid()) {
+    kdDebug() << "KDateNavigator::KDateNavigator(): an invalid date was passed as a parameter!" << endl;
+    startDate = QDate::currentDate();
+  }
+
+  mSelectedDates.append(startDate);
+  m_MthYr = startDate;
+  m_bShowWeekNums = show_week_nums;
+  
+  setFont( KOPrefs::instance()->mDateNavigatorFont );
+  mNavigatorBar = new NavigatorBar( startDate, this );
+  topLayout->addMultiCellWidget( mNavigatorBar, 0, 0, 0, 7 );
+  //mNavigatorBar->resize( 1,1);
+  connect( mNavigatorBar, SIGNAL( goPrevYear() ), SIGNAL( goPrevYear() ) );
+  connect( mNavigatorBar, SIGNAL( goPrevMonth() ), SIGNAL( goPrevMonth() ) );
+  connect( mNavigatorBar, SIGNAL( goNextMonth() ), SIGNAL( goNextMonth() ) );
+  connect( mNavigatorBar, SIGNAL( goNextYear() ), SIGNAL( goNextYear() ) );
+  connect( mNavigatorBar, SIGNAL( monthSelected( int ) ), SIGNAL( monthSelected( int ) ) );
+
+  // get the day of the week on the first day
+  QDate dayone(m_MthYr.year(), m_MthYr.month(), 1);
+  m_fstDayOfWk = dayone.dayOfWeek();
+
+  int i;
+
+  // Set up the heading fields.
+  for( i = 0; i < 7; i++ ) {
+    headings[i] = new QLabel("",this);
+    //headings[i]->setFont(QFont("Arial", 10, QFont::Bold));
+    headings[i]->setAlignment(AlignCenter);
+
+    topLayout->addWidget(headings[i],1,i+1);
+  }
+
+  // Create the weeknumber labels
+  for( i = 0; i < 6; i++ ) {
+    weeknos[i] = new QLabel(this);
+    weeknos[i]->setAlignment(AlignCenter);
+    //weeknos[i]->setFont(QFont("Arial", 10));
+    if(!show_week_nums) {
+      weeknos[i]->hide();
+    }
+    weeknos[i]->installEventFilter(this);
+
+    topLayout->addWidget(weeknos[i],i+2,0);
+  }
+
+  daymatrix = new KODayMatrix( this, mCalendar, dayone,
+                               "KDateNavigator::DayMatrix");
+  daymatrix->setFrameStyle(QFrame::Panel|QFrame::Sunken);
+  daymatrix->setLineWidth(1);
+
+  connect( daymatrix, SIGNAL( selected( const KCal::DateList & ) ),
+           SIGNAL( datesSelected( const KCal::DateList & ) ) );
+
+  connect( daymatrix, SIGNAL( eventDropped( Event * ) ),
+           SIGNAL( eventDropped( Event * ) ) );
+
+  topLayout->addMultiCellWidget(daymatrix,2,7,1,7);
+
+  // read settings from configuration file.
+  updateConfig();
+  enableRollover(FollowMonth);
+  setFixedSize ( sizeHint() );
+}
+
+void KDateNavigator::enableRollover(RolloverType r)
+{
+  switch(r)
+  {
+  case None :
+    if (updateTimer)
+    {
+      updateTimer->stop();
+      delete updateTimer;
+      updateTimer=0L;
+    }
+    break;
+  case FollowDay :
+  case FollowMonth :
+    if (!updateTimer)
+    {
+      updateTimer = new QTimer(this);
+      QObject::connect(updateTimer,SIGNAL(timeout()),
+        this,SLOT(possiblyPastMidnight()));
+    }
+    updateTimer->start(0,true);
+    lastDayChecked = QDate::currentDate();
+  }
+  updateRollover=r;
+}
+
+
+KDateNavigator::~KDateNavigator()
+{
+}
+
+
+void KDateNavigator::passedMidnight()
+{
+    QDate today = QDate::currentDate();
+    bool emitMonth = false;
+
+    if (today.month() != lastDayChecked.month())
+    {
+       if (updateRollover==FollowMonth &&
+           daymatrix->isEndOfMonth()) {
+         goNextMonth();
+	 emitMonth=true;
+       }
+    }
+    daymatrix->recalculateToday();
+    daymatrix->repaint();
+    emit dayPassed(today);
+    if (emitMonth) { emit monthPassed(today); }
+}
+
+/* slot */ void KDateNavigator::possiblyPastMidnight()
+{
+  if (lastDayChecked!=QDate::currentDate())
+  {
+    passedMidnight();
+    lastDayChecked=QDate::currentDate();
+  }
+  // Set the timer to go off 1 second after midnight
+  // or after 8 minutes, whichever comes first.
+  if (updateTimer)
+  {
+    QTime now = QTime::currentTime();
+    QTime midnight = QTime(23,59,59);
+    int msecsWait = QMIN(480000,now.msecsTo(midnight)+2000);
+
+    // qDebug(QString("Waiting %1 msec from %2 to %3.").arg(msecsWait))
+    //	.arg(now.toString()).arg(midnight.toString()));
+
+    updateTimer->stop();
+    updateTimer->start(msecsWait,true);
+  }
+}
+
+void KDateNavigator::updateDates()
+{
+  // Find the first day of the week of the current month.
+  //int d1 = KOGlobals::self()->calendarSystem()->day( m_MthYr );
+  QDate dayone( m_MthYr.year(), m_MthYr.month(), m_MthYr.day() );
+  int d2 = KOGlobals::self()->calendarSystem()->day( dayone );
+  //int di = d1 - d2 + 1;
+  dayone = dayone.addDays( -d2 + 1 );
+
+  int m_fstDayOfWkCalsys = KOGlobals::self()->calendarSystem()->dayOfWeek( dayone );
+
+  // If month begins on Monday and Monday is first day of week,
+  // month should begin on second line. Sunday doesn't have this problem.
+  int nextLine = ( ( m_fstDayOfWkCalsys == 1) &&
+                   ( KGlobal::locale()->weekStartsMonday() == 1 ) ) ? 7 : 0;
+
+  // update the matrix dates
+  int index = (KGlobal::locale()->weekStartsMonday() ? 1 : 0) - m_fstDayOfWkCalsys - nextLine;
+
+
+  daymatrix->updateView(dayone.addDays(index));
+//each updateDates is followed by an updateView -> repaint is issued there !
+//  daymatrix->repaint();
+}
+
+void KDateNavigator::updateDayMatrix()
+{
+  daymatrix->updateView();
+  daymatrix->repaint();
+}
+
+
+void KDateNavigator::updateView()
+{
+   
+  setUpdatesEnabled( false );
+
+  int i;
+
+//  kdDebug() << "updateView() -> daymatrix->updateView()" << endl;
+  daymatrix->updateView();
+
+  // set the week numbers.
+  for(i = 0; i < 6; i++) {
+    QString weeknum;
+    // remember, according to ISO 8601, the first week of the year is the
+    // first week that contains a thursday.  Thus we must subtract off 4,
+    // not just 1.
+
+    //ET int dayOfYear = buttons[(i + 1) * 7 - 4]->date().dayOfYear();
+    int dayOfYear = KOGlobals::self()->calendarSystem()->dayOfYear((daymatrix->getDate((i+1)*7-4)));
+
+    if (dayOfYear % 7 != 0)
+      weeknum.setNum(dayOfYear / 7 + 1);
+    else
+      weeknum.setNum(dayOfYear / 7);
+    weeknos[i]->setText(weeknum);
+  }
+
+  setUpdatesEnabled( true );
+//  kdDebug() << "updateView() -> repaint()" << endl;
+  repaint();
+  daymatrix->repaint();
+}
+
+void KDateNavigator::updateConfig()
+{
+  int day;
+  for(int i=0; i<7; i++) {
+    // take the first letter of the day name to be the abbreviation
+    if (KGlobal::locale()->weekStartsMonday()) {
+      day = i+1;
+    } else {
+      if (i==0) day = 7;
+      else day = i;
+    }
+    QString dayName = KOGlobals::self()->calendarSystem()->weekDayName( day,
+                                                                        true );
+    if ( KOPrefs::instance()->mCompactDialogs ) dayName = dayName.left( 1 );
+    headings[i]->setText( dayName );
+  }
+  updateDates();
+  updateView();
+}
+
+void KDateNavigator::setShowWeekNums(bool enabled)
+{
+  m_bShowWeekNums = enabled;
+  for(int i=0; i<6; i++) {
+    if(enabled)
+      weeknos[i]->show();
+    else
+      weeknos[i]->hide();
+  }
+  resize(size());
+}
+
+void KDateNavigator::selectDates(const DateList& dateList)
+{
+    
+  if (dateList.count() > 0) {
+    mNavigatorBar->selectDates( dateList );
+    mSelectedDates = dateList;
+
+    // set our record of the month and year that this datetbl is
+    // displaying.
+    m_MthYr = mSelectedDates.first();
+
+
+    // set our record of the first day of the week of the current
+    // month. This needs to be done before calling dayToIndex, since it
+    // relies on this information being up to date.
+    QDate dayone(m_MthYr.year(), m_MthYr.month(), 1);
+    m_fstDayOfWk = dayone.dayOfWeek();
+
+    updateDates();
+
+    daymatrix->setSelectedDaysFrom(*(dateList.begin()), *(--dateList.end()));
+
+    updateView();
+  }
+}
+
+int KDateNavigator::dayNum(int row, int col)
+{
+  return 7 * (row - 1) + (col + 1) - m_fstDayOfWk;
+}
+
+int KDateNavigator::dayToIndex(int dayNum)
+{
+  int row, col;
+
+  row = (dayNum+m_fstDayOfWk-1-(KGlobal::locale()->weekStartsMonday() ? 1 : 0)) / 7;
+  if (KGlobal::locale()->weekStartsMonday() && (m_fstDayOfWk == 1))
+    row++;
+  col = (dayNum+m_fstDayOfWk-1-(KGlobal::locale()->weekStartsMonday() ? 1 : 0)) % 7;
+  return row * 7 + col;
+}
+
+void KDateNavigator::wheelEvent (QWheelEvent *e)
+{
+  if(e->delta()>0) emit goPrevious();
+  else emit goNext();
+
+  e->accept();
+}
+
+bool KDateNavigator::eventFilter (QObject *o,QEvent *e)
+{
+  if (e->type() == QEvent::MouseButtonPress) {
+    int i;
+    for(i=0;i<6;++i) {
+      if (o == weeknos[i]) {
+        QDate weekstart = daymatrix->getDate(i*7);
+        emit weekClicked(weekstart);
+        break;
+      }
+    }
+    return true;
+  } else {
+    return false;
+  }
+}
+
+#include "kdatenavigator.moc"