diff options
Diffstat (limited to 'kexi/plugins/forms/widgets/kexidbdateedit.cpp')
-rw-r--r-- | kexi/plugins/forms/widgets/kexidbdateedit.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/kexi/plugins/forms/widgets/kexidbdateedit.cpp b/kexi/plugins/forms/widgets/kexidbdateedit.cpp new file mode 100644 index 000000000..32584fceb --- /dev/null +++ b/kexi/plugins/forms/widgets/kexidbdateedit.cpp @@ -0,0 +1,230 @@ +/* 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 "kexidbdateedit.h" +#include <qlayout.h> +#include <qtoolbutton.h> +#include <kpopupmenu.h> +#include <kdatepicker.h> +#include <kdatetbl.h> + +#include <kexiutils/utils.h> +#include <kexidb/queryschema.h> + +KexiDBDateEdit::KexiDBDateEdit(const QDate &date, QWidget *parent, const char *name) + : QWidget(parent, name), KexiFormDataItemInterface() +{ + m_invalidState = false; + m_cleared = false; + m_readOnly = false; + + m_edit = new QDateEdit(date, this); + m_edit->setAutoAdvance(true); + m_edit->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::MinimumExpanding); + connect( m_edit, SIGNAL(valueChanged(const QDate&)), this, SLOT(slotValueChanged(const QDate&)) ); + connect( m_edit, SIGNAL(valueChanged(const QDate&)), this, SIGNAL(dateChanged(const QDate&)) ); + + QToolButton* btn = new QToolButton(this); + btn->setText("..."); + btn->setFixedWidth( QFontMetrics(btn->font()).width(" ... ") ); + btn->setPopupDelay(1); //1 ms + +#ifdef QDateTimeEditor_HACK + m_dte_date = KexiUtils::findFirstChild<QDateTimeEditor>(m_edit, "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_edit, 1); + layout->addWidget(btn, 0); + + setFocusProxy(m_edit); +} + +KexiDBDateEdit::~KexiDBDateEdit() +{ +} + +void KexiDBDateEdit::setInvalidState( const QString& ) +{ + setEnabled(false); + setReadOnly(true); + m_invalidState = true; +//! @todo move this to KexiDataItemInterface::setInvalidStateInternal() ? + if (focusPolicy() & TabFocus) + setFocusPolicy(QWidget::ClickFocus); +} + +void +KexiDBDateEdit::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 KexiDBDateEdit::setValueInternal(const QVariant &add, bool removeOld) +{ + int setNumberOnFocus = -1; + QDate d; + QString addString(add.toString()); + if (removeOld) { + if (!addString.isEmpty() && addString[0].latin1()>='0' && addString[0].latin1() <='9') { + setNumberOnFocus = addString[0].latin1()-'0'; + d = QDate(setNumberOnFocus*1000, 1, 1); + } + } + else + d = m_origValue.toDate(); + + m_edit->setDate(d); +} + +QVariant +KexiDBDateEdit::value() +{ + return QVariant(m_edit->date()); +} + +bool KexiDBDateEdit::valueIsNull() +{ + return !m_edit->date().isValid() || m_edit->date().isNull(); +} + +bool KexiDBDateEdit::valueIsEmpty() +{ + return m_cleared; +} + +bool KexiDBDateEdit::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 KexiDBDateEdit::setReadOnly(bool set) +{ + m_readOnly = set; +} + +QWidget* +KexiDBDateEdit::widget() +{ + return this; +} + +bool KexiDBDateEdit::cursorAtStart() +{ +#ifdef QDateTimeEditor_HACK + return m_dte_date && m_edit->hasFocus() && m_dte_date->focusSection()==0; +#else + return false; +#endif +} + +bool KexiDBDateEdit::cursorAtEnd() +{ +#ifdef QDateTimeEditor_HACK + return m_dte_date && m_edit->hasFocus() + && m_dte_date->focusSection()==int(m_dte_date->sectionCount()-1); +#else + return false; +#endif +} + +void KexiDBDateEdit::clear() +{ + m_edit->setDate(QDate()); + m_cleared = true; +} + +void +KexiDBDateEdit::slotValueChanged(const QDate&) +{ + m_cleared = false; +} + +void +KexiDBDateEdit::slotShowDatePicker() +{ + QDate date = m_edit->date(); + + m_datePicker->setDate(date); + m_datePicker->setFocus(); + m_datePicker->show(); + m_datePicker->setFocus(); +} + +void +KexiDBDateEdit::acceptDate() +{ + m_edit->setDate(m_datePicker->date()); + m_datePickerPopupMenu->hide(); +} + +bool +KexiDBDateEdit::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; +} + +#include "kexidbdateedit.moc" |