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/*
This file is part of libkcal.
Copyright (c) 1998 Preston Brown <pbrown@kde.org>
Copyright (c) 2001,2002 Cornelius Schumacher <schumacher@kde.org>
Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tqapplication.h>
#include <clipboard.h>
#include <tqmap.h>
#include <kiconloader.h>
#include <kdebug.h>
#include <kmessagebox.h>
#include <klocale.h>
#include "vcaldrag.h"
#include "icaldrag.h"
#include "calendar.h"
#include "vcalformat.h"
#include "icalformat.h"
#include "calendarlocal.h"
#include "dndfactory.h"
using namespace KCal;
class DndFactory::Private
{
public:
Incidence * pasteIncidence( Incidence *inc,
const TQDate &newDate,
const TQTime *newTime = 0 )
{
if ( inc ) {
inc = inc->clone();
inc->recreate();
}
if ( inc && newDate.isValid() ) {
if ( inc->type() == "Event" ) {
Event *anEvent = static_cast<Event*>( inc );
// Calculate length of event
int daysOffset = anEvent->dtStart().date().daysTo(
anEvent->dtEnd().date() );
// new end date if event starts at the same time on the new day
TQDateTime endDate( newDate.addDays(daysOffset), anEvent->dtEnd().time() );
if ( newTime ) {
// additional offset for new time of day
int addSecsOffset( anEvent->dtStart().time().secsTo( *newTime ));
endDate=endDate.addSecs( addSecsOffset );
anEvent->setDtStart( TQDateTime( newDate, *newTime ) );
} else {
anEvent->setDtStart( TQDateTime( newDate, anEvent->dtStart().time() ) );
}
anEvent->setDtEnd( endDate );
} else if ( inc->type() == "Todo" ) {
Todo *anTodo = static_cast<Todo*>( inc );
if ( newTime ) {
anTodo->setDtDue( TQDateTime( newDate, *newTime ) );
} else {
anTodo->setDtDue( TQDateTime( newDate, anTodo->dtDue().time() ) );
}
} else if ( inc->type() == "Journal" ) {
Journal *anJournal = static_cast<Journal*>( inc );
if ( newTime ) {
anJournal->setDtStart( TQDateTime( newDate, *newTime ) );
} else {
anJournal->setDtStart( TQDateTime( newDate ) );
}
} else {
kdDebug(5850) << "Trying to paste unknown incidence of type " << inc->type() << endl;
}
}
return inc;
}
};
DndFactory::DndFactory( Calendar *cal ) :
mCalendar( cal ), d( new Private )
{
}
DndFactory::~DndFactory()
{
delete d;
}
ICalDrag *DndFactory::createDrag( Incidence *incidence, TQWidget *owner )
{
CalendarLocal cal( mCalendar->timeZoneId() );
Incidence *i = incidence->clone();
cal.addIncidence( i );
ICalDrag *icd = new ICalDrag( &cal, owner );
if ( i->type() == "Event" )
icd->setPixmap( BarIcon( "appointment" ) );
else if ( i->type() == "Todo" )
icd->setPixmap( BarIcon( "todo" ) );
return icd;
}
Event *DndFactory::createDrop(TQDropEvent *de)
{
kdDebug(5800) << "DndFactory::createDrop()" << endl;
CalendarLocal cal( mCalendar->timeZoneId() );
if ( ICalDrag::decode( de, &cal ) || VCalDrag::decode( de, &cal ) ) {
de->accept();
Event::List events = cal.events();
if ( !events.isEmpty() ) {
Event *event = new Event( *events.first() );
return event;
}
}
return 0;
}
Todo *DndFactory::createDropTodo(TQDropEvent *de)
{
kdDebug(5800) << "VCalFormat::createDropTodo()" << endl;
CalendarLocal cal( mCalendar->timeZoneId() );
if ( ICalDrag::decode( de, &cal ) || VCalDrag::decode( de, &cal ) ) {
de->accept();
Todo::List todos = cal.todos();
if ( !todos.isEmpty() ) {
Todo *todo = new Todo( *todos.first() );
return todo;
}
}
return 0;
}
void DndFactory::cutIncidence( Incidence *selectedInc )
{
Incidence::List list;
list.append( selectedInc );
cutIncidences( list );
}
bool DndFactory::cutIncidences( const Incidence::List &incidences )
{
if ( copyIncidences( incidences ) ) {
Incidence::List::ConstIterator it;
for ( it = incidences.constBegin(); it != incidences.constEnd(); ++it ) {
mCalendar->deleteIncidence( *it );
}
return true;
} else {
return false;
}
}
bool DndFactory::copyIncidences( const Incidence::List &incidences )
{
TQClipboard *cb = TQApplication::clipboard();
CalendarLocal cal( mCalendar->timeZoneId() );
Incidence::List::ConstIterator it;
for ( it = incidences.constBegin(); it != incidences.constEnd(); ++it ) {
if ( *it ) {
cal.addIncidence( ( *it )->clone() );
}
}
if ( cal.incidences().isEmpty() ) {
return false;
} else {
cb->setData( new ICalDrag( &cal ) );
return true;
}
}
bool DndFactory::copyIncidence( Incidence *selectedInc )
{
Incidence::List list;
list.append( selectedInc );
return copyIncidences( list );
}
Incidence::List DndFactory::pasteIncidences( const TQDate &newDate, const TQTime *newTime )
{
CalendarLocal cal( mCalendar->timeZoneId() );
TQClipboard *cb = TQApplication::clipboard();
Incidence::List list;
if ( !ICalDrag::decode( cb->data(), &cal ) &&
!VCalDrag::decode( cb->data(), &cal ) ) {
kdDebug(5800) << "Can't parse clipboard" << endl;
return list;
}
// All pasted incidences get new uids, must keep track of old uids,
// so we can update child's parents
TQMap<TQString,Incidence*> oldUidToNewInc;
Incidence::List::ConstIterator it;
const Incidence::List incs = cal.incidences();
for ( it = incs.constBegin(); it != incs.constEnd(); ++it ) {
Incidence *inc = d->pasteIncidence( *it, newDate, newTime );
if ( inc ) {
list.append( inc );
oldUidToNewInc[( *it )->uid()] = inc;
}
}
// update relations
for ( it = list.constBegin(); it != list.constEnd(); ++it ) {
Incidence *inc = *it;
if ( oldUidToNewInc.contains( inc->relatedToUid() ) ) {
Incidence *parentInc = oldUidToNewInc[inc->relatedToUid()];
inc->setRelatedToUid( parentInc->uid() );
inc->setRelatedTo( parentInc );
} else {
// not related to anything in the clipboard
inc->setRelatedToUid( TQString() );
inc->setRelatedTo( 0 );
}
}
return list;
}
Incidence *DndFactory::pasteIncidence( const TQDate &newDate, const TQTime *newTime )
{
CalendarLocal cal( mCalendar->timeZoneId() );
TQClipboard *cb = TQApplication::clipboard();
if ( !ICalDrag::decode( cb->data(), &cal ) &&
!VCalDrag::decode( cb->data(), &cal ) ) {
kdDebug(5800) << "Can't parse clipboard" << endl;
return 0;
}
Incidence::List incList = cal.incidences();
Incidence *inc = incList.isEmpty() ? 0 : incList.first();
Incidence *newInc = d->pasteIncidence( inc, newDate, newTime );
newInc->setRelatedTo( 0 );
return newInc;
}
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