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korganizer

datenavigatorcontainer.cpp

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/*
  This file is part of KOrganizer.

  Copyright (c) 2001,2002,2003 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 "datenavigatorcontainer.h"
#include "koglobals.h"
#include "navigatorbar.h"
#include "kdatenavigator.h"

#include <kdebug.h>
#include <klocale.h>
#include <kcalendarsystem.h>
#include <kdialog.h>

#include <QTimer>
#include <QFrame>
#include <QResizeEvent>

DateNavigatorContainer::DateNavigatorContainer( QWidget *parent )
  : QFrame( parent ), mCalendar( 0 ),
    mHorizontalCount( 1 ), mVerticalCount( 1 )
{
  mNavigatorView = new KDateNavigator( this );
  mNavigatorView->setWhatsThis(
                   i18n( "<qt><p>Select the dates you want to "
                         "display in KOrganizer's main view here. Hold the "
                         "mouse button to select more than one day.</p>"
                         "<p>Press the top buttons to browse to the next "
                         "/ previous months or years.</p>"
                         "<p>Each line shows a week. The number in the left "
                         "column is the number of the week in the year. "
                         "Press it to select the whole week.</p>"
                         "</qt>" ) );

  connectNavigatorView( mNavigatorView );
}

DateNavigatorContainer::~DateNavigatorContainer()
{
  qDeleteAll( mExtraViews );
}

void DateNavigatorContainer::connectNavigatorView( KDateNavigator *v )
{
  connect( v, SIGNAL(datesSelected(const KCal::DateList &)),
           SIGNAL(datesSelected(const KCal::DateList &)) );
  connect( v, SIGNAL(incidenceDropped(Incidence *,const QDate &)),
           SIGNAL(incidenceDropped(Incidence *,const QDate &)) );
  connect( v, SIGNAL(incidenceDroppedMove(Incidence *,const QDate &)),
           SIGNAL(incidenceDroppedMove(Incidence *,const QDate &)) );
  connect( v, SIGNAL(weekClicked(const QDate &)),
           SIGNAL(weekClicked(const QDate &)) );

  connect( v, SIGNAL(goPrevious()), SIGNAL(goPrevious()) );
  connect( v, SIGNAL(goNext()), SIGNAL(goNext()) );

  connect( v, SIGNAL(goNextMonth()), SIGNAL(goNextMonth()) );
  connect( v, SIGNAL(goPrevMonth()), SIGNAL(goPrevMonth()) );
  connect( v, SIGNAL(goNextYear()), SIGNAL(goNextYear()) );
  connect( v, SIGNAL(goPrevYear()), SIGNAL(goPrevYear()) );
  connect( v, SIGNAL(goMonth(int)), SIGNAL(goMonth(int)) );
  connect( v, SIGNAL(goYear(int)), SIGNAL(goYear(int)) );
}

void DateNavigatorContainer::setCalendar( Calendar *cal )
{
  mCalendar = cal;
  mNavigatorView->setCalendar( cal );
  foreach ( KDateNavigator *n, mExtraViews ) {
    if ( n ) {
      n->setCalendar( cal );
    }
  }
}

// TODO_Recurrence: let the navigators update just once, and tell them that
// if data has changed or just the selection (because then the list of dayss
// with events doesn't have to be updated if the month stayed the same
void DateNavigatorContainer::updateDayMatrix()
{
  mNavigatorView->updateDayMatrix();
  foreach ( KDateNavigator *n, mExtraViews ) {
    if ( n ) {
      n->updateDayMatrix();
    }
  }
}

void DateNavigatorContainer::updateToday()
{
  mNavigatorView->updateToday();
  foreach ( KDateNavigator *n, mExtraViews ) {
    if ( n ) {
      n->updateToday();
    }
  }
}

void DateNavigatorContainer::updateView()
{
  mNavigatorView->updateView();
  foreach ( KDateNavigator *n, mExtraViews ) {
    if ( n ) {
      n->updateView();
    }
  }
}

void DateNavigatorContainer::updateConfig()
{
  mNavigatorView->updateConfig();
  foreach ( KDateNavigator *n, mExtraViews ) {
    if ( n ) {
      n->updateConfig();
    }
  }
}

void DateNavigatorContainer::selectDates( const DateList &dateList )
{
  if ( !dateList.isEmpty() ) {
    QDate start( dateList.first() );
    QDate end( dateList.last() );
    QDate navfirst( mNavigatorView->startDate() );
    QDate navsecond; // start of the second shown month if existent
    QDate navlast;
    if ( !mExtraViews.isEmpty() ) {
      navlast = mExtraViews.last()->endDate();
      navsecond = mExtraViews.first()->startDate();
    } else {
      navlast = mNavigatorView->endDate();
      navsecond = navfirst;
    }
    if ( start < navfirst || // <- start should always be visible
         // end is not visible and we have a spare month at the beginning:
         ( end > navlast && start >= navsecond ) ) {
      // Change the shown months so that the beginning of the date list is visible
      setBaseDates( start );
    }

    mNavigatorView->selectDates( dateList );
    foreach ( KDateNavigator *n, mExtraViews ) {
      if ( n ) {
        n->selectDates( dateList );
      }
    }
  }
}

void DateNavigatorContainer::setBaseDates( const QDate &start )
{
  QDate baseDate = start;
  mNavigatorView->setBaseDate( baseDate );
  foreach ( KDateNavigator *n, mExtraViews ) {
    baseDate = KOGlobals::self()->calendarSystem()->addMonths( baseDate, 1 );
    n->setBaseDate( baseDate );
  }
}

void DateNavigatorContainer::resizeEvent( QResizeEvent * )
{
#if 0
  kDebug() << "DateNavigatorContainer::resizeEvent()";
  kDebug() << "  CURRENT SIZE:" << size();
  kDebug() << "  MINIMUM SIZEHINT:" << minimumSizeHint();
  kDebug() << "  SIZEHINT:" << sizeHint();
  kDebug() << "  MINIMUM SIZE:" << minimumSize();
#endif
  QTimer::singleShot( 0, this, SLOT(resizeAllContents()) );
}

void DateNavigatorContainer::resizeAllContents()
{
  QSize minSize = mNavigatorView->minimumSizeHint();

//  kDebug() << "  NAVIGATORVIEW minimumSizeHint:" << minSize;

  int margin = KDialog::spacingHint();
  int verticalCount = ( size().height() - margin * 2 ) / minSize.height();
  int horizontalCount = ( size().width() - margin * 2 ) / minSize.width();

  if ( horizontalCount != mHorizontalCount || verticalCount != mVerticalCount ) {
    int count = horizontalCount * verticalCount;
    if ( count == 0 ) {
      return;
    }

    while ( count > ( mExtraViews.count() + 1 ) ) {
      KDateNavigator *n = new KDateNavigator( this );
      mExtraViews.append( n );
      n->setCalendar( mCalendar );
      connectNavigatorView( n );
    }

    while ( count < ( mExtraViews.count() + 1 ) ) {
      delete ( mExtraViews.last() );
      mExtraViews.removeLast();
    }

    mHorizontalCount = horizontalCount;
    mVerticalCount = verticalCount;
    setBaseDates( mNavigatorView->selectedDates().first() );
    selectDates( mNavigatorView->selectedDates() );
    foreach ( KDateNavigator *n, mExtraViews ) {
      if ( n ) {
        n->show();
      }
    }
  }

  int height = ( size().height() - margin * 2 ) / verticalCount;
  int width = ( size().width() - margin * 2 ) / horizontalCount;

  NavigatorBar *bar = mNavigatorView->navigatorBar();
  if ( horizontalCount > 1 ) {
    bar->showButtons( true, false );
  } else {
    bar->showButtons( true, true );
  }

  mNavigatorView->setGeometry( ( ( ( KOGlobals::self()->reverseLayout() ) ?
                                   ( horizontalCount - 1 ) : 0 ) * width ) + margin,
                               margin, width, height );
  for ( int i = 0; i < mExtraViews.count(); ++i ) {
    int x = ( i + 1 ) % horizontalCount;
    int y = ( i + 1 ) / horizontalCount;

    KDateNavigator *view = mExtraViews.at( i );
    bar = view->navigatorBar();
    if ( y > 0 ) {
      bar->showButtons( false, false );
    } else {
      if ( x + 1 == horizontalCount ) {
        bar->showButtons( false, true );
      } else {
        bar->showButtons( false, false );
      }
    }
    view->setGeometry( ( ( ( KOGlobals::self()->reverseLayout() ) ?
                           ( horizontalCount - 1 - x ) : x ) * width ) + margin,
                       ( y * height ) + margin, width, height );
  }
}

QSize DateNavigatorContainer::minimumSizeHint() const
{
  int margin = KDialog::spacingHint() * 2;
  return mNavigatorView->minimumSizeHint() + QSize( margin, margin );
}

QSize DateNavigatorContainer::sizeHint() const
{
  int margin = KDialog::spacingHint() * 2;
  return mNavigatorView->sizeHint() + QSize( margin, margin );
}

#include "datenavigatorcontainer.moc"

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