kexidbtimeedit.cpp

/* This file is part of the KDE project
   Copyright (C) 2005 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2004-2005 Jaroslaw Staniek <js@iidea.pl>
 
   This program 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 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#include "kexidbtimeedit.h"
 
#include <tqtoolbutton.h>
#include <tqlayout.h>
#include <tqpainter.h>
 
#include <tdepopupmenu.h>
#include <kdatepicker.h>
#include <kdatetbl.h>
#include <kexiutils/utils.h>
 
KexiDBTimeEdit::KexiDBTimeEdit(const TQTime &time, TQWidget *parent, const char *name)
 : TQTimeEdit(time, parent, name), KexiFormDataItemInterface()
{
    m_invalidState = false;
    setAutoAdvance(true);
    m_cleared = false;
 
#ifdef TQDateTimeEditor_HACK
    m_dte_time = KexiUtils::findFirstChild<TQDateTimeEditor>(this, "TQDateTimeEditor");
#else
    m_dte_time = 0;
#endif
 
    connect(this, TQ_SIGNAL(valueChanged(const TQTime&)), this, TQ_SLOT(slotValueChanged(const TQTime&)));
}
 
KexiDBTimeEdit::~KexiDBTimeEdit()
{
}
 
void KexiDBTimeEdit::setInvalidState( const TQString&)
{
    setEnabled(false);
    setReadOnly(true);
    m_invalidState = true;
    if (focusPolicy() & TabFocus)
        setFocusPolicy(TQWidget::ClickFocus);
}
 
void
KexiDBTimeEdit::setEnabled(bool enabled)
{
     // prevent the user from reenabling the widget when it is in invalid state
    if(enabled && m_invalidState)
        return;
    TQTimeEdit::setEnabled(enabled);
}
 
void KexiDBTimeEdit::setValueInternal(const TQVariant &add, bool removeOld)
{
    m_cleared = !m_origValue.isValid();
 
    int setNumberOnFocus = -1;
    TQTime t;
    TQString addString(add.toString());
    if (removeOld) {
        if (!addString.isEmpty() && addString[0].latin1()>='0' && addString[0].latin1() <='9') {
            setNumberOnFocus = addString[0].latin1()-'0';
            t = TQTime(setNumberOnFocus, 0, 0);
        }
    }
    else
        t = m_origValue.toTime();
 
    setTime(t);
}
 
TQVariant
KexiDBTimeEdit::value()
{
    //TQDateTime - a hack needed because TQVariant(TQTime) has broken isNull()
    return TQVariant(TQDateTime( m_cleared ? TQDate() : TQDate(0,1,2)/*nevermind*/, time()));
}
 
bool KexiDBTimeEdit::valueIsNull()
{
    return !time().isValid() || time().isNull();
}
 
bool KexiDBTimeEdit::valueIsEmpty()
{
    return m_cleared;
}
 
bool KexiDBTimeEdit::isReadOnly() const
{
    return m_readOnly; 
}
 
void KexiDBTimeEdit::setReadOnly(bool set)
{
    m_readOnly = set;
}
 
TQWidget*
KexiDBTimeEdit::widget()
{
    return this;
}
 
bool KexiDBTimeEdit::cursorAtStart()
{
#ifdef TQDateTimeEditor_HACK
    return m_dte_time && hasFocus() && m_dte_time->focusSection()==0;
#else
    return false;
#endif
}
 
bool KexiDBTimeEdit::cursorAtEnd()
{
#ifdef TQDateTimeEditor_HACK
    return m_dte_time && hasFocus()
        && m_dte_time->focusSection()==int(m_dte_time->sectionCount()-1);
#else
    return false;
#endif
}
 
void KexiDBTimeEdit::clear()
{
    setTime(TQTime());
    m_cleared = true;
}
 
void
KexiDBTimeEdit::slotValueChanged(const TQTime&)
{
    m_cleared = false;
}
 
#include "kexidbtimeedit.moc"