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/* This file is part of the KDE project
Copyright (C) 2005 Cedric Pasteur <[email protected]>
Copyright (C) 2004-2005 Jaroslaw Staniek <[email protected]>
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 "kexidbdatetimeedit.h"
#include <qtoolbutton.h>
#include <qlayout.h>
#include <kpopupmenu.h>
#include <kdatepicker.h>
#include <kdatetbl.h>
#include <kexiutils/utils.h>
KexiDBDateTimeEdit::KexiDBDateTimeEdit(const QDateTime &datetime, QWidget *parent, const char *name)
: QWidget(parent, name), KexiFormDataItemInterface()
{
m_invalidState = false;
m_cleared = false;
m_readOnly = false;
m_dateEdit = new QDateEdit(datetime.date(), this);
m_dateEdit->setAutoAdvance(true);
m_dateEdit->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::MinimumExpanding);
// m_dateEdit->setFixedWidth( QFontMetrics(m_dateEdit->font()).width("8888-88-88___") );
connect(m_dateEdit, SIGNAL(valueChanged(const QDate&)), this, SLOT(slotValueChanged()));
connect(m_dateEdit, SIGNAL(valueChanged(const QDate&)), this, SIGNAL(dateTimeChanged()));
QToolButton* btn = new QToolButton(this);
btn->setText("...");
btn->setFixedWidth( QFontMetrics(btn->font()).width(" ... ") );
btn->setPopupDelay(1); //1 ms
m_timeEdit = new QTimeEdit(datetime.time(), this);;
m_timeEdit->setAutoAdvance(true);
m_timeEdit->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::MinimumExpanding);
connect(m_timeEdit, SIGNAL(valueChanged(const QTime&)), this, SLOT(slotValueChanged()));
connect(m_timeEdit, SIGNAL(valueChanged(const QTime&)), this, SIGNAL(dateTimeChanged()));
#ifdef QDateTimeEditor_HACK
m_dte_date = KexiUtils::findFirstChild<QDateTimeEditor>(m_dateEdit, "QDateTimeEditor");
m_dte_time = KexiUtils::findFirstChild<QDateTimeEditor>(m_timeEdit, "QDateTimeEditor");
#else
m_dte_date = 0;
#endif
m_datePickerPopupMenu = new KPopupMenu(0, "date_popup");
connect(m_datePickerPopupMenu, SIGNAL(aboutToShow()), this, SLOT(slotShowDatePicker()));
m_datePicker = new KDatePicker(m_datePickerPopupMenu, QDate::currentDate(), 0);
KDateTable *dt = KexiUtils::findFirstChild<KDateTable>(m_datePicker, "KDateTable");
if (dt)
connect(dt, SIGNAL(tableClicked()), this, SLOT(acceptDate()));
m_datePicker->setCloseButton(true);
m_datePicker->installEventFilter(this);
m_datePickerPopupMenu->insertItem(m_datePicker);
btn->setPopup(m_datePickerPopupMenu);
QHBoxLayout* layout = new QHBoxLayout(this);
layout->addWidget(m_dateEdit, 0);
layout->addWidget(btn, 0);
layout->addWidget(m_timeEdit, 0);
//layout->addStretch(1);
setFocusProxy(m_dateEdit);
}
KexiDBDateTimeEdit::~KexiDBDateTimeEdit()
{
}
void KexiDBDateTimeEdit::setInvalidState(const QString & /*! @todo paint this text: text*/)
{
setEnabled(false);
setReadOnly(true);
m_invalidState = true;
//! @todo move this to KexiDataItemInterface::setInvalidStateInternal() ?
if (focusPolicy() & TabFocus)
setFocusPolicy(QWidget::ClickFocus);
}
void
KexiDBDateTimeEdit::setEnabled(bool enabled)
{
// prevent the user from reenabling the widget when it is in invalid state
if(enabled && m_invalidState)
return;
QWidget::setEnabled(enabled);
}
void KexiDBDateTimeEdit::setValueInternal(const QVariant &, bool )
{
m_dateEdit->setDate(m_origValue.toDate());
m_timeEdit->setTime(m_origValue.toTime());
}
QVariant
KexiDBDateTimeEdit::value()
{
return QDateTime(m_dateEdit->date(), m_timeEdit->time());
}
bool KexiDBDateTimeEdit::valueIsNull()
{
return !m_dateEdit->date().isValid() || m_dateEdit->date().isNull()
|| !m_timeEdit->time().isValid() || m_timeEdit->time().isNull();
}
bool KexiDBDateTimeEdit::valueIsEmpty()
{
return m_cleared;
}
bool KexiDBDateTimeEdit::isReadOnly() const
{
//! @todo: data/time edit API has no readonly flag,
//! so use event filter to avoid changes made by keyboard or mouse when m_readOnly==true
return m_readOnly; //!isEnabled();
}
void KexiDBDateTimeEdit::setReadOnly(bool set)
{
m_readOnly = set;
}
QWidget*
KexiDBDateTimeEdit::widget()
{
return m_dateEdit;
}
bool KexiDBDateTimeEdit::cursorAtStart()
{
#ifdef QDateTimeEditor_HACK
return m_dte_date && m_dateEdit->hasFocus() && m_dte_date->focusSection()==0;
#else
return false;
#endif
}
bool KexiDBDateTimeEdit::cursorAtEnd()
{
#ifdef QDateTimeEditor_HACK
return m_dte_time && m_timeEdit->hasFocus()
&& m_dte_time->focusSection()==int(m_dte_time->sectionCount()-1);
#else
return false;
#endif
}
void KexiDBDateTimeEdit::clear()
{
m_dateEdit->setDate(QDate());
m_timeEdit->setTime(QTime());
m_cleared = true;
}
void
KexiDBDateTimeEdit::slotValueChanged()
{
m_cleared = false;
}
void
KexiDBDateTimeEdit::slotShowDatePicker()
{
QDate date = m_dateEdit->date();
m_datePicker->setDate(date);
m_datePicker->setFocus();
m_datePicker->show();
m_datePicker->setFocus();
}
void
KexiDBDateTimeEdit::acceptDate()
{
m_dateEdit->setDate(m_datePicker->date());
m_datePickerPopupMenu->hide();
}
bool
KexiDBDateTimeEdit::eventFilter(QObject *o, QEvent *e)
{
if (o != m_datePicker)
return false;
switch (e->type()) {
case QEvent::Hide:
m_datePickerPopupMenu->hide();
break;
case QEvent::KeyPress:
case QEvent::KeyRelease: {
QKeyEvent *ke = (QKeyEvent *)e;
if (ke->key()==Qt::Key_Enter || ke->key()==Qt::Key_Return) {
//accepting picker
acceptDate();
return true;
}
else if (ke->key()==Qt::Key_Escape) {
//canceling picker
m_datePickerPopupMenu->hide();
return true;
}
else
m_datePickerPopupMenu->setFocus();
break;
}
default:
break;
}
return false;
}
QDateTime
KexiDBDateTimeEdit::dateTime() const
{
return QDateTime(m_dateEdit->date(), m_timeEdit->time());
}
void
KexiDBDateTimeEdit::setDateTime(const QDateTime &dt)
{
m_dateEdit->setDate(dt.date());
m_timeEdit->setTime(dt.time());
}
#include "kexidbdatetimeedit.moc"
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