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176 lines
4.2 KiB
176 lines
4.2 KiB
/* This file is part of the KDE project
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Copyright (C) 2005 Cedric Pasteur <cedric.pasteur@free.fr>
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Copyright (C) 2004-2006 Jaroslaw Staniek <js@iidea.pl>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "kexidbcheckbox.h"
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#include <kexiutils/utils.h>
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#include <kexidb/queryschema.h>
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KexiDBCheckBox::KexiDBCheckBox(const TQString &text, TQWidget *parent, const char *name)
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: TQCheckBox(text, parent, name), KexiFormDataItemInterface()
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, m_invalidState(false)
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, m_tristateChanged(false)
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, m_tristate(TristateDefault)
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{
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setFocusPolicy(TQWidget::StrongFocus);
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updateTristate();
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connect(this, TQT_SIGNAL(stateChanged(int)), this, TQT_SLOT(slotStateChanged(int)));
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}
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KexiDBCheckBox::~KexiDBCheckBox()
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{
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}
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void KexiDBCheckBox::setInvalidState( const TQString& displayText )
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{
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setEnabled(false);
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setState(NoChange);
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m_invalidState = true;
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//! @todo move this to KexiDataItemInterface::setInvalidStateInternal() ?
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if (focusPolicy() & TQWidget::TabFocus)
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setFocusPolicy(TQWidget::ClickFocus);
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setText(displayText);
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}
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void
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KexiDBCheckBox::setEnabled(bool enabled)
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{
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if(enabled && m_invalidState)
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return;
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TQCheckBox::setEnabled(enabled);
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}
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void
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KexiDBCheckBox::setReadOnly(bool readOnly)
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{
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setEnabled(!readOnly);
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}
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void KexiDBCheckBox::setValueInternal(const TQVariant &add, bool removeOld)
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{
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Q_UNUSED(add);
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Q_UNUSED(removeOld);
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if (isTristateInternal())
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setState( m_origValue.isNull() ? NoChange : (m_origValue.toBool() ? On : Off) );
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else
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setState( m_origValue.toBool() ? On : Off );
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}
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TQVariant
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KexiDBCheckBox::value()
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{
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if (state()==NoChange)
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return TQVariant();
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return TQVariant(state()==On);
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}
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void KexiDBCheckBox::slotStateChanged(int )
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{
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signalValueChanged();
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}
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bool KexiDBCheckBox::valueIsNull()
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{
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return state() == NoChange;
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}
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bool KexiDBCheckBox::valueIsEmpty()
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{
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return false;
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}
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bool KexiDBCheckBox::isReadOnly() const
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{
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return !isEnabled();
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}
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TQWidget*
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KexiDBCheckBox::widget()
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{
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return this;
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}
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bool KexiDBCheckBox::cursorAtStart()
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{
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return false; //! \todo ?
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}
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bool KexiDBCheckBox::cursorAtEnd()
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{
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return false; //! \todo ?
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}
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void KexiDBCheckBox::clear()
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{
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setState(NoChange);
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}
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void KexiDBCheckBox::setTristate(KexiDBCheckBox::Tristate tristate)
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{
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m_tristateChanged = true;
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m_tristate = tristate;
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updateTristate();
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}
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KexiDBCheckBox::Tristate KexiDBCheckBox::isTristate() const
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{
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return m_tristate;
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}
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bool KexiDBCheckBox::isTristateInternal() const
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{
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if (m_tristate == TristateDefault)
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return !dataSource().isEmpty();
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return m_tristate == TristateOn;
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}
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void KexiDBCheckBox::updateTristate()
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{
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if (m_tristate == TristateDefault) {
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//! @todo the data source may be defined as NOT NULL... thus disallowing NULL state
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TQCheckBox::setTristate( !dataSource().isEmpty() );
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}
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else {
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TQCheckBox::setTristate( m_tristate == TristateOn );
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}
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}
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void KexiDBCheckBox::setDataSource(const TQString &ds)
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{
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KexiFormDataItemInterface::setDataSource(ds);
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updateTristate();
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}
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void KexiDBCheckBox::setDisplayDefaultValue(TQWidget *widget, bool displayDefaultValue)
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{
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KexiFormDataItemInterface::setDisplayDefaultValue(widget, displayDefaultValue);
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// initialize display parameters for default / entered value
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KexiDisplayUtils::DisplayParameters * const params
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= displayDefaultValue ? m_displayParametersForDefaultValue : m_displayParametersForEnteredValue;
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// setFont(params->font);
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TQPalette pal(palette());
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// pal.setColor(TQPalette::Active, TQColorGroup::Text, params->textColor);
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pal.setColor(TQPalette::Active, TQColorGroup::Foreground, params->textColor);
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setPalette(pal);
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}
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#include "kexidbcheckbox.moc"
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