datebook.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

		QDataStream ds( dataref, IO_WriteOnly );
		PimEvent event = evtPick.currentEvent();
		ds << event.uid() << evtPick.currentDate();

#ifndef QT_NO_COP
		QCopEnvelope e( QDL::CLIENT_CHANNEL, "QDLProvideLink(QString,int,...)" );
		e << clientID;

		e << (int)1;

		e << QDLLink( QCString( "datebook" ), dataref, event.description(),
							    QCString( "datebook/DateBook" ) );
#endif
	    }
	} else {
#ifndef QT_NO_COP
	    QCopEnvelope e( QDL::CLIENT_CHANNEL, "QDLProvideLink(QString,int,...)" );

	    e << clientID;
	    e << (int)0;
#endif
	}
    }
    else if ( msg == "QDLActivateLink(QByteArray)" ) {
	QByteArray dataref;
	stream >> dataref;
	QDataStream ds( dataref, IO_ReadOnly );

	QUuid u;
	QDate date;
	ds >> u >> date;

	bool ok;
	Occurrence o = db->find( u, date, &ok );
	if ( ok ) {
	    viewDay( o.startInCurrentTZ().date() );
	    dayView->setCurrentItem( o );
	    needShow = TRUE;
	}
    }
#endif
    else if ( msg == "cleanByDate(QDate)" ) {
	QDate d;
	stream >> d;
	purgeEvents( d, FALSE );
    }

    if ( needShow ) {
#if defined(Q_WS_QWS) || defined(_WS_QWS_)
	//showMaximized();
#else
	//show();
#endif
	//raise();
	QPEApplication::setKeepRunning();
	//setActiveWindow();
    }
}

void DateBook::nextView()
{
    QWidget* cur = views->visibleWidget();
    if ( cur ) {
	if ( cur == dayView )
#if !defined(QTOPIA_PHONE)
	    viewWeek();
	else if ( cur == weekView )
#endif
	    viewMonth();
	else if ( cur == monthView )
	    viewDay();
    }
}

void DateBook::reload()
{
    // reload isn't as meaningful anymore.
    //db->reload();} else
    db->reload();
    if ( actionDay->isOn() )
	viewDay();
#if !defined(QTOPIA_PHONE)
    else if ( actionWeek->isOn() )
	viewWeek();
#endif
    else if ( actionMonth->isOn() )
	viewMonth();
    syncing = FALSE;
}

void DateBook::flush()
{
    db->flush();
    syncing = TRUE;
   // db->save();
    // neither is saving.
}

void DateBook::timerEvent( QTimerEvent *e )
{
    static int stop = 0;
    if ( stop < 10 ) {
	Sound::soundAlarm();
	stop++;
    } else {
	stop = 0;
	killTimer( e->timerId() );
    }
}

void DateBook::changeClock()
{
    // repaint the affected objects...
    if (dayView) dayView->redraw();
#if !defined(QTOPIA_PHONE)
    if (weekView) weekView->redraw();
#endif
}

void DateBook::changeWeek( bool m )
{
    /* no need to redraw, each widget catches.  Do need to
       store though for widgets we haven't made yet */
    onMonday = m;
}

void DateBook::slotToday()
{
    // we need to view today
    lastToday = QDate::currentDate();
    if ( views->visibleWidget() == dayView ) {
	viewDay( lastToday );
#if !defined(QTOPIA_PHONE)
    } else if (views->visibleWidget() == weekView) {
	weekView->selectDate( lastToday );
#endif
    } else if (views->visibleWidget() == monthView){
	monthView->setDate( lastToday );
    }
}

void DateBook::closeEvent( QCloseEvent *e )
{
#ifdef QTOPIA_PHONE
    if ( views->visibleWidget() == eventView ) {
	e->ignore();
	hideEventDetails();
	return;
    }
#endif

    slotToday();
    if(syncing) {
	/* no need to save, did that at flush */
	e->accept();
	return;
    }

    // save settings will generate it's own error messages, no
    // need to do checking ourselves.
    saveSettings();
    //if ( db->save() )
    e->accept();
#if 0
    else {
	if ( QMessageBox::critical( parentWidget, tr( "Out of space" ),
				    tr("<qt>Calendar was unable to save "
				       "your changes. "
				       "Free up some space and try again."
				       "<br>Quit anyway?</qt>"),
				    QMessageBox::Yes|QMessageBox::Escape,
				    QMessageBox::No|QMessageBox::Default )
	     != QMessageBox::No )
	    e->accept();
	else
	    e->ignore();
    }
#endif
}

void DateBook::newEvent( const QString &description )
{
    QDateTime current = QDateTime::currentDateTime();
    QDateTime start=current, end=current;

    int mod = QTime(0,0,0).secsTo(current.time()) % 900;
    if (mod != 0)  {
	mod = 900 - mod;
        current = current.addSecs( mod );
    }

    start.setTime(current.time());
    start.setDate(current.date());
    end = current.addSecs( 3600 );

    newEvent(start,end,description,QString::null);
}

bool DateBook::newEvent(const QDateTime& dstart,const QDateTime& dend,const QString& description,const QString& notes)
{
#ifndef QTOPIA_DESKTOP
    if ( checkSyncing() )
	return FALSE;
#endif

    QDateTime start=dstart, end=dend;
    QDateTime current = QDateTime::currentDateTime();
    bool snull = start.date().isNull();
    bool enull = end.date().isNull();

    if ( views->visibleWidget() ) {
	if ( views->visibleWidget() == dayView ) {
	    dayView->selectedDates( start, end );
	} else if ( views->visibleWidget() == monthView ) {
	    start.setDate( monthView->selectedDate() );
	}
#if !defined(QTOPIA_PHONE)
	else if ( views->visibleWidget() == weekView ) {
	    start.setDate( weekView->currentDate() );
	}
#endif
    }
    if ( start.date().isNull() )
	start.setDate( current.date() );
    if ( end.date().isNull() )
	end.setDate( start.date() );
    if ( (snull && end.time().isNull()) || !start.time().isValid() ) {
	// We get to here from a key pressed in the Day View
	// So we can assume some things.  We want the string
	// passed in to be part of the description.
	// move current to the next fifteen minutes
	int mod = QTime(0,0,0).secsTo(current.time()) % 900;
	if (mod != 0)  {
	    mod = 900 - mod;
            current = current.addSecs( mod );
	}

	// default start
	start.setTime(current.time());
    }
    if ( (enull && end.time().isNull()) || !end.time().isValid() ) {
	// default end
	end = start.addSecs(3600);
    }

    PimEvent ev;
    ev.setDescription( description );
    // When the new gui comes in, change this...
    ev.setLocation( "" );
    ev.setStart( start );
    ev.setEnd( end );
    ev.setNotes( notes );
    if ( aPreset )
	ev.setAlarm( presetTime, PimEvent::Loud );

    EntryDialog e( onMonday, ev, parentWidget->isVisible() ? parentWidget : 0, "new-event", TRUE );
    e.setCaption( EntryDetails::tr("New Event") );

#ifdef QTOPIA_DESKTOP
    connect( e.entryDetails()->comboCategory,
	     SIGNAL(editCategoriesClicked(QWidget*)),
	     SLOT(editCategories(QWidget*)) );
    connect( this, SIGNAL(categoriesChanged()),
	     &e, SLOT(updateCategories()) );
    e.resize( 500, 300 );
#endif

    while (QPEApplication::execDialog(&e)) {
	ev = e.event();
	//ev.assignUid(); // um, don't know if we can drop this or not
	QString error = checkEvent( ev );
	if ( !error.isNull() ) {
	    if ( QMessageBox::warning( parentWidget, tr("Error!"),
				       error, tr("Fix it"), tr("Continue"), 0, 0, 1 ) == 0 )
		continue;
	}
	QUuid id = db->addEvent( ev );
	emit eventsChanged();
	if ( views->visibleWidget() == dayView ) {
	    dayView->clearSelectedDates();
	    bool ok;
	    PimEvent e = db->find( id, &ok );
	    if ( ok )
		dayView->setCurrentEvent( e );
	}
	return TRUE;
    }
    if ( views->visibleWidget() == dayView )
	dayView->clearSelectedDates();
    return FALSE;
}

void DateBook::setDocument( const QString &filename )
{
    DocLnk doc(filename);
    if ( doc.isValid() )
	receiveFile(doc.file());
    else
	receiveFile(filename);
}

bool DateBook::receiveFile( const QString &filename )
{
    QValueList<PimEvent> tl = PimEvent::readVCalendar( filename );

    QString msg = tr("<P>%1 new events.<p>Do you want to add them to your Calendar?").
	arg(tl.count());

    if ( QMessageBox::information(parentWidget, tr("New Events"),
	    msg, QMessageBox::Ok, QMessageBox::Cancel)==QMessageBox::Ok ) {
	QDateTime from,to;
	for( QValueList<PimEvent>::Iterator it = tl.begin(); it != tl.end(); ++it ) {
	    if ( from.isNull() || (*it).start() < from )
		from = (*it).start();
	    if ( to.isNull() || (*it).end() < to )
		to = (*it).end();
	    db->addEvent( *it );
	}

	// Change view to a sensible one...
#ifdef QTOPIA_PHONE
	if ( from.date() == to.date() )
	    viewDay( from.date() );
	else
	    viewMonth( from.date() );
#else
	if ( from.date() == to.date() ) {
	    viewDay(from.date());
	} else {
	    initWeek();
	    int fw,fy,tw,ty;
	    weekView->calcWeek(from.date(), fw, fy);
	    weekView->calcWeek(to.date(), tw, ty);
	    if ( fw == tw && fy == ty ) {
		viewWeek(from.date());
	    } else if ( from.date().month() == to.date().month()
		    && from.date().year() == to.date().year() ) {
		viewMonth(from.date());
	    } else {
		viewDay(from.date());
	    }
	}
#endif

	emit eventsChanged();
	return TRUE;
    }
    return FALSE;
}

void DateBook::beamEvent( const PimEvent &e )
{
#ifdef Q_WS_QWS
    ::unlink( beamfile.local8Bit().data() ); // delete if exists

    PimEvent::writeVCalendar( beamfile, e );
    Ir *ir = new Ir( this );
    connect( ir, SIGNAL( done(Ir*) ), this, SLOT( beamDone(Ir*) ) );
    QString description = e.description();
    ir->send( beamfile, description, "text/x-vCalendar" );
#else
    Q_UNUSED(e)
#endif
}

void DateBook::beamDone( Ir *ir )
{
#ifdef Q_WS_QWS
    delete ir;
    ::unlink( beamfile.local8Bit().data() );
#else
    Q_UNUSED(ir)
#endif
}


void DateBook::slotFind()
{
    // move it to the day view...
    viewDay();
    FindDialog frmFind( "Calendar", parentWidget ); // No tr
    frmFind.setUseDate( true );
    frmFind.setDate( currentDate() );
    connect( &frmFind, SIGNAL(signalFindClicked(const QString&,const QDate&,bool,bool,int)),
	     this, SLOT(slotDoFind(const QString&,const QDate&,bool,bool,int)) );
    connect( this, SIGNAL(signalNotFound()),
	     &frmFind, SLOT(slotNotFound()) );
    connect( this, SIGNAL(signalWrapAround()),
	     &frmFind, SLOT(slotWrapAround()) );
    QPEApplication::execDialog(&frmFind);
    inSearch = false;
}

bool catComp( QArray<int> cats, int category )
{
    bool returnMe;
    int i,
	count;

    count = int(cats.count());
    returnMe = false;
    if ( (category == -1 && count == 0) || category == -2 )
	returnMe = true;
    else {
	for ( i = 0; i < count; i++ ) {
	    if ( category == cats[i] ) {
		returnMe = true;
		break;
	    }
	}
    }
    return returnMe;
}

void DateBook::slotDoFind( const QString& txt, const QDate &dt,
			   bool caseSensitive, bool searchForward,
			   int category )
{
    bool ok;
    QRegExp r(txt);
    r.setCaseSensitive(caseSensitive);

    Occurrence o = db->find(r, category, dt,
	    searchForward, &ok);

    if ( ok ) {
	dayView->selectDate( o.startInCurrentTZ().date() );
	dayView->setCurrentItem(o);
    }
}

void DateBook::showEventDetails()
{
#ifdef QTOPIA_DESKTOP
    if (eventSelected())
	editOccurrence(currentOccurrence(), TRUE);
#else
    initEvent();

    if ( views->visibleWidget() != eventView ) {
	eventView->previousView = views->visibleWidget();

	raiseWidget( eventView );
	eventView->setFocus();

	updateIcons();
	if (actionFind)
	    actionFind->setEnabled( FALSE );
    }

    eventView->init( currentEvent() );
#endif
}

void DateBook::hideEventDetails()
{
    raiseWidget( eventView->previousView );
    eventView->previousView->setFocus();

    updateIcons();
    if (actionFind)
	actionFind->setEnabled( TRUE );
}

void DateBook::raiseWidget( QWidget *widget )
{
    if ( !widget )
	return;

#ifndef QTOPIA_DESKTOP
    parentWidget->setName( widget->name() );
#endif
    views->raiseWidget( widget );
}

void DateBook::slotPurge()
{
    QDialog dlg( parentWidget->isVisible() ? parentWidget : 0, "purge", TRUE );
#ifdef QTOPIA_PHONE
    dlg.setCaption( tr("Purge") );
#else
    dlg.setCaption( tr("Purge Events") );
#endif

    QVBoxLayout *vb = new QVBoxLayout( &dlg );
    QLabel *lbl = new QLabel( tr("<qt>Please select a date. Everything on and before this date will be removed.</qt>"), &dlg );
    lbl->setAlignment( AlignCenter|AlignVCenter );
    vb->addWidget( lbl );
    QPEDateEdit *dp = new QPEDateEdit( &dlg, 0, FALSE, TRUE );
    vb->addWidget( dp );
#ifdef QTOPIA_DESKTOP
    QWidget *buttons = new QWidget( &dlg );
    vb->addWidget( buttons );
    QHBoxLayout *hb = new QHBoxLayout( buttons );
    hb->addStretch( 1 );
    QPushButton *ok = new QPushButton( tr("Ok"), buttons );
    hb->addWidget( ok );
    connect( ok, SIGNAL(clicked()), &dlg, SLOT(accept()) );
    QPushButton *cancel = new QPushButton( tr("Cancel"), buttons );
    hb->addWidget( cancel );
    connect( cancel, SIGNAL(clicked()), &dlg, SLOT(reject()) );
    dlg.resize( 100, 50 );
#endif

    if ( QPEApplication::execDialog( &dlg ) ) {
	purgeEvents( dp->date() );
    }
}

void DateBook::purgeEvents( const QDate &date, bool prompt )
{
    if (date.isNull())
        return;
#ifndef QTOPIA_DESKTOP
    QDialog *wait = new QDialog( parentWidget->isVisible() ? parentWidget : 0, 0, TRUE, WStyle_Customize | WStyle_NoBorder );
    QVBox *vb = new QVBox( wait );
    QLabel *l = new QLabel( tr("<b>Please Wait</b>"), vb );
    l->setAlignment( AlignCenter|AlignVCenter );
    wait->show();
    qApp->processEvents();
#endif

    QDateTime from( date );
    {
	const QList<PrEvent> &pevents = db->eventsIO().events();
	QListIterator<PrEvent> it( pevents );
	for ( PrEvent *e = it.current(); (e = it.current()); ++it ) {
	    QDateTime s = e->startInCurrentTZ();
	    if ( s < from )
		from = s;
	}
    }
    
    QValueList<PimEvent> events = purge_getEvents( from, date );

#ifndef QTOPIA_DESKTOP
    wait->close();
#endif

    // nothing to do
    if ( events.count() == 0 )
	return;

    // give the user a chance to back out
    if ( prompt && QMessageBox::warning( parentWidget, tr("WARNING"),
		tr( "<qt>You are about to delete %1 events. "
		    "Are you sure you want to do this?</qt>" ).arg( events.count() ),
		tr("Delete"), tr("Abort"), 0, 1, 1 ) )
	return;

#ifndef QTOPIA_DESKTOP
    wait->show();
    qApp->processEvents();
#endif

    // delete everything (multiple passes because of interdependant events
    do {
	for ( QValueList<PimEvent>::Iterator it = events.begin(); it != events.end(); ++it ) {
	    db->removeEvent( *it );
	}
	events = purge_getEvents( from, date );
    } while ( events.count() > 0 );

#ifndef QTOPIA_DESKTOP
    delete wait;
#endif

}

QValueList<PimEvent> DateBook::purge_getEvents( const QDateTime &from, const QDate &date )
{
    QValueList<Occurrence> occs = db->getOccurrences( from.date().addDays( -2 ), date );
    QValueList<PimEvent> events;
    for ( QValueList<Occurrence>::Iterator it = occs.begin(); it != occs.end(); ++it ) {
	Occurrence o = *it;
	PimEvent e = o.event();
	if ( e.hasRepeat() && (e.repeatForever() || e.repeatTill() >= date) )
	    continue;
	if ( !events.contains( e ) )
	    events.append( e );
    }
    return events;
}