/*
  This file is part of KOrganizer.

  Copyright (c) 2000,2001,2003 Cornelius Schumacher <schumacher@kde.org>
  Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
  Copyright (c) 2005 Rafal Rzepecki <divide@users.sourceforge.net>
  Copyright (c) 2008 Thomas Thrainer <tom_t@gmx.at>

  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 "kotodoview.h"
#include "koprefs.h"

#include <calendarsupport/printing/calprinter.h>

#include <calendarviews/todo/todoview.h>

#include <Akonadi/EntityTreeModel>

#include <QVBoxLayout>

KOTodoView::KOTodoView( bool sidebarView, QWidget *parent )
  : BaseView( parent )
{
  mView = new EventViews::TodoView( KOPrefs::instance()->eventViewsPreferences(),
                                    sidebarView, parent );
  QVBoxLayout *layout = new QVBoxLayout( this );
  layout->addWidget( mView );
  connect( mView, SIGNAL(printTodo()), SLOT(printTodo()) );
  connect( mView, SIGNAL(printPreviewTodo()), SLOT(printPreviewTodo()) );
  connect( mView, SIGNAL(purgeCompletedSignal()), SIGNAL(purgeCompletedSignal()) );

  connect( mView, SIGNAL(incidenceSelected(Akonadi::Item,QDate)),
           SIGNAL(incidenceSelected(Akonadi::Item,QDate)) );

  connect( mView, SIGNAL(showIncidenceSignal(Akonadi::Item)),
           SIGNAL(showIncidenceSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(editIncidenceSignal(Akonadi::Item)),
           SIGNAL(editIncidenceSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(deleteIncidenceSignal(Akonadi::Item)),
           SIGNAL(deleteIncidenceSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(cutIncidenceSignal(Akonadi::Item)),
           SIGNAL(cutIncidenceSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(copyIncidenceSignal(Akonadi::Item)),
           SIGNAL(copyIncidenceSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(pasteIncidenceSignal()),
           SIGNAL(pasteIncidenceSignal()) );

  connect( mView, SIGNAL(toggleAlarmSignal(Akonadi::Item)),
           SIGNAL(toggleAlarmSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(toggleTodoCompletedSignal(Akonadi::Item)),
           SIGNAL(toggleTodoCompletedSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(copyIncidenceToResourceSignal(Akonadi::Item,QString)),
           SIGNAL(copyIncidenceToResourceSignal(Akonadi::Item,QString)) );

  connect( mView, SIGNAL(moveIncidenceToResourceSignal(Akonadi::Item,QString)),
           SIGNAL(moveIncidenceToResourceSignal(Akonadi::Item,QString)) );

  connect( mView, SIGNAL(dissociateOccurrencesSignal(Akonadi::Item,QDate)),
           SIGNAL(dissociateOccurrencesSignal(Akonadi::Item,QDate)) );

  connect( mView, SIGNAL(newEventSignal()),
           SIGNAL(newEventSignal()) );

  connect( mView, SIGNAL(newEventSignal(QDate)),
           SIGNAL(newEventSignal(QDate)) );

  connect( mView, SIGNAL(newEventSignal(QDateTime)),
           SIGNAL(newEventSignal(QDateTime)) );

  connect( mView, SIGNAL(newEventSignal(QDateTime,QDateTime)),
           SIGNAL(newEventSignal(QDateTime,QDateTime)) );

  connect( mView, SIGNAL(newTodoSignal(QDate)),
           SIGNAL(newTodoSignal(QDate)) );

  connect( mView, SIGNAL(newSubTodoSignal(Akonadi::Item)),
           SIGNAL(newSubTodoSignal(Akonadi::Item)) );

  connect( mView, SIGNAL(fullViewChanged(bool)),
           SIGNAL(fullViewChanged(bool)) );
}

KOTodoView::~KOTodoView()
{
}

void KOTodoView::setCalendar( const Akonadi::ETMCalendar::Ptr &calendar )
{
  BaseView::setCalendar( calendar );
  mView->setCalendar( calendar );
}

Akonadi::Item::List KOTodoView::selectedIncidences()
{
  return mView->selectedIncidences();
}

KCalCore::DateList KOTodoView::selectedIncidenceDates()
{
  return KCalCore::DateList();
}

void KOTodoView::setIncidenceChanger( Akonadi::IncidenceChanger *changer )
{
  BaseView::setIncidenceChanger( changer );
  mView->setIncidenceChanger( changer );
}

void KOTodoView::showDates( const QDate &start, const QDate &end, const QDate & )
{
  // There is nothing to do here for the Todo View
  Q_UNUSED( start );
  Q_UNUSED( end );
}

void KOTodoView::showIncidences( const Akonadi::Item::List &incidenceList, const QDate &date )
{
  Q_UNUSED( incidenceList );
  Q_UNUSED( date );
}

void KOTodoView::updateView()
{
  // View is always updated, it's connected to ETM.
}

void KOTodoView::changeIncidenceDisplay( const Akonadi::Item &, Akonadi::IncidenceChanger::ChangeType )
{
  // Don't do anything, model is connected to ETM, it's up to date
}

void KOTodoView::updateConfig()
{
  mView->updateConfig();
}

void KOTodoView::clearSelection()
{
  mView->clearSelection();
}

void KOTodoView::printTodo()
{
  printTodo( false );
}

void KOTodoView::printPreviewTodo()
{
  printTodo( true );
}

void KOTodoView::printTodo( bool preview )
{
  Akonadi::Item::List selectedItems = mView->selectedIncidences();
  if ( selectedItems.count() != 1 ) {
    return;
  }

  Akonadi::Item todoItem = selectedItems.first();
  KCalCore::Todo::Ptr todo = CalendarSupport::todo( todoItem );
  Q_ASSERT( todo );

  CalendarSupport::CalPrinter printer( this, calendar(), true );
  connect( this, SIGNAL(configChanged()), &printer, SLOT(updateConfig()) );

  KCalCore::Incidence::List selectedIncidences;
  selectedIncidences.append( todo );

  KDateTime todoDate;
  if ( todo->hasStartDate() ) {
    todoDate = todo->dtStart();
  } else {
    todoDate = todo->dtDue();
  }

  printer.print( CalendarSupport::CalPrinterBase::Incidence,
                 todoDate.date(), todoDate.date(), selectedIncidences, preview );

}

void KOTodoView::getHighlightMode( bool &highlightEvents,
                                   bool &highlightTodos,
                                   bool &highlightJournals )
{
  highlightTodos    = KOPrefs::instance()->mHighlightTodos;
  highlightEvents   = !highlightTodos;
  highlightJournals = false;
}

void KOTodoView::saveViewState()
{
  mView->saveViewState();
}

void KOTodoView::restoreViewState()
{
  mView->restoreViewState();
}

void KOTodoView::restoreLayout( KConfig *config, const QString &group, bool minimalDefaults )
{
  mView->restoreLayout( config, group, minimalDefaults );
}

void KOTodoView::saveLayout( KConfig *config, const QString &group ) const
{
  mView->saveLayout( config, group );
}

bool KOTodoView::usesFullWindow()
{
  return mView->usesFullWindow();
}

CalendarSupport::CalPrinterBase::PrintType KOTodoView::printType() const
{
  return CalendarSupport::CalPrinterBase::Todolist;
}