deferdlg.cpp

/*
 *  deferdlg.cpp  -  dialogue to defer an alarm
 *  Program:  kalarm
 *  Copyright © 2002-2006,2008 by David Jarvie <djarvie@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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
 
#include "kalarm.h"
 
#include <tqlayout.h>
 
#include <tdeglobal.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kdebug.h>
 
#include <libkcal/event.h>
#include <libkcal/recurrence.h>
 
#include "alarmcalendar.h"
#include "alarmevent.h"
#include "alarmtimewidget.h"
#include "datetime.h"
#include "functions.h"
#include "kalarmapp.h"
#include "deferdlg.moc"
 
 
DeferAlarmDlg::DeferAlarmDlg(const TQString& caption, const DateTime& initialDT,
                             bool cancelButton, TQWidget* parent, const char* name)
    : KDialogBase(parent, name, true, caption, Ok|Cancel|User1, Ok, false, i18n("Cancel &Deferral"))
{
    if (!cancelButton)
        showButton(User1, false);
 
    TQWidget* page = new TQWidget(this);
    setMainWidget(page);
    TQVBoxLayout* layout = new TQVBoxLayout(page, 0, spacingHint());
 
    mTimeWidget = new AlarmTimeWidget(AlarmTimeWidget::DEFER_TIME, page, "timeGroup");
    mTimeWidget->setDateTime(initialDT);
    mTimeWidget->setMinDateTimeIsCurrent();
    connect(mTimeWidget, TQ_SIGNAL(pastMax()), TQ_SLOT(slotPastLimit()));
    layout->addWidget(mTimeWidget);
    layout->addSpacing(spacingHint());
 
    setButtonWhatsThis(Ok, i18n("Defer the alarm until the specified time."));
    setButtonWhatsThis(User1, i18n("Cancel the deferred alarm. This does not affect future recurrences."));
}
 
 
/******************************************************************************
* Called when the OK button is clicked.
*/
void DeferAlarmDlg::slotOk()
{
    mAlarmDateTime = mTimeWidget->getDateTime(&mDeferMinutes);
    if (!mAlarmDateTime.isValid())
        return;
    KAEvent::DeferLimitType limitType;
    DateTime endTime;
    if (!mLimitEventID.isEmpty())
    {
        // Get the event being deferred
        const KCal::Event* kcalEvent = AlarmCalendar::getEvent(mLimitEventID);
        if (kcalEvent)
        {
            KAEvent event(*kcalEvent);
            endTime = event.deferralLimit(&limitType);
        }
    }
    else
    {
        endTime = mLimitDateTime;
        limitType = mLimitDateTime.isValid() ? KAEvent::LIMIT_MAIN : KAEvent::LIMIT_NONE;
    }
    if (endTime.isValid()  &&  mAlarmDateTime > endTime)
    {
        TQString text;
        switch (limitType)
        {
            case KAEvent::LIMIT_REPETITION:
                text = i18n("Cannot defer past the alarm's next sub-repetition (currently %1)");
                break;
            case KAEvent::LIMIT_RECURRENCE:
                text = i18n("Cannot defer past the alarm's next recurrence (currently %1)");
                break;
            case KAEvent::LIMIT_REMINDER:
                text = i18n("Cannot defer past the alarm's next reminder (currently %1)");
                break;
            case KAEvent::LIMIT_MAIN:
                text = i18n("Cannot defer reminder past the main alarm time (%1)");
                break;
            case KAEvent::LIMIT_NONE:
                break;   // can't happen with a valid endTime
        }
        KMessageBox::sorry(this, text.arg(endTime.formatLocale()));
    }
    else
        accept();
}
 
/******************************************************************************
* Select the 'Time from now' radio button and preset its value.
*/
void DeferAlarmDlg::setDeferMinutes(int minutes)
{
    mTimeWidget->selectTimeFromNow(minutes);
}
 
/******************************************************************************
* Called the maximum date/time for the date/time edit widget has been passed.
*/
void DeferAlarmDlg::slotPastLimit()
{
    enableButtonOK(false);
}
 
/******************************************************************************
* Set the time limit for deferral based on the next occurrence of the alarm
* with the specified ID.
*/
void DeferAlarmDlg::setLimit(const DateTime& limit)
{
    mLimitEventID  = TQString();
    mLimitDateTime = limit;
    mTimeWidget->setMaxDateTime(mLimitDateTime);
}
 
/******************************************************************************
* Set the time limit for deferral based on the next occurrence of the alarm
* with the specified ID.
*/
DateTime DeferAlarmDlg::setLimit(const TQString& eventID)
{
    mLimitEventID = eventID;
    const KCal::Event* kcalEvent = AlarmCalendar::getEvent(mLimitEventID);
    if (kcalEvent)
    {
        KAEvent event(*kcalEvent);
        mLimitDateTime = event.deferralLimit();
    }
    else
        mLimitDateTime = DateTime();
    mTimeWidget->setMaxDateTime(mLimitDateTime);
    return mLimitDateTime;
}
 
/******************************************************************************
* Called when the Cancel Deferral button is clicked.
*/
void DeferAlarmDlg::slotUser1()
{
    mAlarmDateTime = DateTime();
    accept();
}
 
/******************************************************************************
* Called when the Cancel button is clicked.
*/
void DeferAlarmDlg::slotCancel()
{
    reject();
}