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418 lines
11 KiB
418 lines
11 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) 2004-2007 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 "kexidblineedit.h"
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#include "kexidbautofield.h"
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#include <kdebug.h>
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#include <knumvalidator.h>
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#include <kdatetbl.h>
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#include <tqpopupmenu.h>
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#include <tqpainter.h>
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#include <kexiutils/utils.h>
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#include <kexidb/queryschema.h>
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#include <kexidb/fieldvalidator.h>
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#include <kexiutils/utils.h>
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//! @todo reenable as an app aption
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//#define USE_KLineEdit_setReadOnly
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//! @internal A validator used for read only flag to disable editing
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class KexiDBLineEdit_ReadOnlyValidator : public TQValidator
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{
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public:
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KexiDBLineEdit_ReadOnlyValidator( TQObject * parent )
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: TQValidator(parent)
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{
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}
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~KexiDBLineEdit_ReadOnlyValidator() {}
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virtual State validate( TQString &, int & ) const { return Invalid; }
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};
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//-----
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KexiDBLineEdit::KexiDBLineEdit(TQWidget *parent, const char *name)
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: KLineEdit(parent, name)
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, KexiDBTextWidgetInterface()
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, KexiFormDataItemInterface()
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//moved , m_dateFormatter(0)
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//moved , m_timeFormatter(0)
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, m_menuExtender(this, this)
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, m_internalReadOnly(false)
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, m_slotTextChanged_enabled(true)
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{
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#ifdef USE_KLineEdit_setReadOnly
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//! @todo reenable as an app aption
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TQPalette p(widget->palette());
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p.setColor( lighterGrayBackgroundColor(palette()) );
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widget->setPalette(p);
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#endif
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connect(this, TQT_SIGNAL(textChanged(const TQString&)), this, TQT_SLOT(slotTextChanged(const TQString&)));
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}
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KexiDBLineEdit::~KexiDBLineEdit()
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{
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//moved delete m_dateFormatter;
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//moved delete m_timeFormatter;
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}
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void KexiDBLineEdit::setInvalidState( const TQString& displayText )
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{
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KLineEdit::setReadOnly(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 KexiDBLineEdit::setValueInternal(const TQVariant& add, bool removeOld)
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{
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#if 0 //moved to KexiTextFormatter
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TQVariant value;
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if (removeOld)
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value = add;
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else {
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if (add.toString().isEmpty())
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value = m_origValue;
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else
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value = m_origValue.toString() + add.toString();
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}
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if (m_columnInfo) {
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const KexiDB::Field::Type t = m_columnInfo->field->type();
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if (t == KexiDB::Field::Boolean) {
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//! @todo temporary solution for booleans!
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setText( value.toBool() ? "1" : "0" );
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return;
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}
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else if (t == KexiDB::Field::Date) {
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setText( dateFormatter()->dateToString( value.toString().isEmpty() ? TQDate() : value.toDate() ) );
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setCursorPosition(0); //ok?
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return;
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}
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else if (t == KexiDB::Field::Time) {
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setText(
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timeFormatter()->timeToString(
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//hack to avoid converting null variant to valid TQTime(0,0,0)
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value.toString().isEmpty() ? value.toTime() : TQTime(99,0,0)
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)
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);
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setCursorPosition(0); //ok?
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return;
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}
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else if (t == KexiDB::Field::DateTime) {
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if (value.toString().isEmpty() ) {
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setText( TQString() );
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}
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else {
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setText(
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dateFormatter()->dateToString( value.toDateTime().date() ) + " " +
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timeFormatter()->timeToString( value.toDateTime().time() )
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);
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}
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setCursorPosition(0); //ok?
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return;
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}
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}
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#endif
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m_slotTextChanged_enabled = false;
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setText( m_textFormatter.valueToText(removeOld ? TQVariant() : m_origValue, add.toString()) );
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// setText( value.toString() );
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setCursorPosition(0); //ok?
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m_slotTextChanged_enabled = true;
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}
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TQVariant KexiDBLineEdit::value()
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{
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return m_textFormatter.textToValue( text() );
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#if 0 // moved to KexiTextFormatter
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if (! m_columnInfo)
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return TQVariant();
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const KexiDB::Field::Type t = m_columnInfo->field->type();
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switch (t) {
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case KexiDB::Field::Text:
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case KexiDB::Field::LongText:
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return text();
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case KexiDB::Field::Byte:
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case KexiDB::Field::ShortInteger:
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return text().toShort();
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//! @todo uint, etc?
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case KexiDB::Field::Integer:
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return text().toInt();
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case KexiDB::Field::BigInteger:
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return text().toLongLong();
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case KexiDB::Field::Boolean:
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//! @todo temporary solution for booleans!
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return text() == "1" ? TQVariant(true) : TQVariant(false);
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case KexiDB::Field::Date:
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return dateFormatter()->stringToVariant( text() );
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case KexiDB::Field::Time:
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return timeFormatter()->stringToVariant( text() );
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case KexiDB::Field::DateTime:
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return stringToDateTime(*dateFormatter(), *timeFormatter(), text());
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case KexiDB::Field::Float:
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return text().toFloat();
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case KexiDB::Field::Double:
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return text().toDouble();
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default:
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return TQVariant();
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}
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//! @todo more data types!
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return text();
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#endif
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}
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void KexiDBLineEdit::slotTextChanged(const TQString&)
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{
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if (!m_slotTextChanged_enabled)
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return;
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signalValueChanged();
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}
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bool KexiDBLineEdit::valueIsNull()
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{
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return valueIsEmpty(); //ok??? text().isNull();
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}
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bool KexiDBLineEdit::valueIsEmpty()
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{
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return m_textFormatter.valueIsEmpty( text() );
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#if 0 // moved to KexiTextFormatter
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if (text().isEmpty())
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return true;
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if (m_columnInfo) {
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const KexiDB::Field::Type t = m_columnInfo->field->type();
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if (t == KexiDB::Field::Date || )
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return dateFormatter()->isEmpty( text() );
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else if (t == KexiDB::Field::Time)
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return timeFormatter()->isEmpty( text() );
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else if (t == KexiDB::Field::Time)
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return dateTimeIsEmpty( *dateFormatter(), *timeFormatter(), text() );
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}
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//! @todo
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return text().isEmpty();
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#endif
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}
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bool KexiDBLineEdit::valueIsValid()
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{
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return m_textFormatter.valueIsValid( text() );
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#if 0 // moved to KexiTextFormatter
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if (!m_columnInfo)
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return true;
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//! @todo fix for fields with "required" property = true
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if (valueIsEmpty()/*ok?*/)
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return true;
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const KexiDB::Field::Type t = m_columnInfo->field->type();
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if (t == KexiDB::Field::Date)
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return dateFormatter()->stringToVariant( text() ).isValid();
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else if (t == KexiDB::Field::Time)
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return timeFormatter()->stringToVariant( text() ).isValid();
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else if (t == KexiDB::Field::DateTime)
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return dateTimeIsValid( *dateFormatter(), *timeFormatter(), text() );
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//! @todo
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return true;
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#endif
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}
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bool KexiDBLineEdit::isReadOnly() const
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{
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return m_internalReadOnly;
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}
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void KexiDBLineEdit::setReadOnly( bool readOnly )
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{
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#ifdef USE_KLineEdit_setReadOnly
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//! @todo reenable as an app aption
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return KLineEdit::setReadOnly( readOnly );
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#else
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m_internalReadOnly = readOnly;
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if (m_internalReadOnly) {
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m_readWriteValidator = validator();
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if (!m_readOnlyValidator)
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m_readOnlyValidator = new KexiDBLineEdit_ReadOnlyValidator(this);
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setValidator( m_readOnlyValidator );
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}
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else {
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//revert to r/w validator
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setValidator( m_readWriteValidator );
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}
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m_menuExtender.updatePopupMenuActions();
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#endif
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}
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TQPopupMenu * KexiDBLineEdit::createPopupMenu()
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{
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TQPopupMenu *contextMenu = KLineEdit::createPopupMenu();
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m_menuExtender.createTitle(contextMenu);
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return contextMenu;
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}
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TQWidget* KexiDBLineEdit::widget()
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{
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return this;
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}
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bool KexiDBLineEdit::cursorAtStart()
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{
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return cursorPosition()==0;
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}
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bool KexiDBLineEdit::cursorAtEnd()
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{
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return cursorPosition()==(int)text().length();
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}
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void KexiDBLineEdit::clear()
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{
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if (!m_internalReadOnly)
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KLineEdit::clear();
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}
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void KexiDBLineEdit::setColumnInfo(KexiDB::QueryColumnInfo* cinfo)
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{
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KexiFormDataItemInterface::setColumnInfo(cinfo);
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m_textFormatter.setField( cinfo ? cinfo->field : 0 );
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if (!cinfo)
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return;
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//! @todo handle input mask (via TQLineEdit::setInputMask()) using a special KexiDB::FieldInputMask class
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setValidator( new KexiDB::FieldValidator(*cinfo->field, this) );
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#if 0 // moved to KexiTextFormatter
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if (t==KexiDB::Field::Date) {
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//! @todo use KDateWidget?
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setInputMask( dateFormatter()->inputMask() );
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}
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else if (t==KexiDB::Field::Time) {
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//! @todo use KTimeWidget
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// setInputMask("00:00:00");
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setInputMask( timeFormatter()->inputMask() );
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}
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else if (t==KexiDB::Field::DateTime) {
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setInputMask(
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dateTimeInputMask( *dateFormatter(), *timeFormatter() ) );
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}
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#endif
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const TQString inputMask( m_textFormatter.inputMask() );
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if (!inputMask.isEmpty())
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setInputMask( inputMask );
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KexiDBTextWidgetInterface::setColumnInfo(cinfo, this);
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}
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/*todo
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void KexiDBLineEdit::paint( TQPainter *p )
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{
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KexiDBTextWidgetInterface::paint( this, &p, text().isEmpty(), alignment(), hasFocus() );
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}*/
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void KexiDBLineEdit::paintEvent ( TQPaintEvent *pe )
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{
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KLineEdit::paintEvent( pe );
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TQPainter p(this);
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KexiDBTextWidgetInterface::paint( this, &p, text().isEmpty(), alignment(), hasFocus() );
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}
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bool KexiDBLineEdit::event( TQEvent * e )
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{
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const bool ret = KLineEdit::event( e );
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KexiDBTextWidgetInterface::event(e, this, text().isEmpty());
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if (e->type()==TQEvent::FocusOut) {
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TQFocusEvent *fe = static_cast<TQFocusEvent*>(e);
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// if (fe->reason()!=TQFocusEvent::ActiveWindow && fe->reason()!=TQFocusEvent::Popup) {
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if (fe->reason()==TQFocusEvent::Tab || fe->reason()==TQFocusEvent::Backtab) {
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//display aligned to left after loosing the focus (only if this is tab/backtab event)
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//! @todo add option to set cursor at the beginning
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setCursorPosition(0); //ok?
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}
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}
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return ret;
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}
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bool KexiDBLineEdit::appendStretchRequired(KexiDBAutoField* autoField) const
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{
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return KexiDBAutoField::Top == autoField->labelPosition();
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}
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void KexiDBLineEdit::handleAction(const TQString& actionName)
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{
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if (actionName=="edit_copy") {
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copy();
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}
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else if (actionName=="edit_paste") {
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paste();
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}
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else if (actionName=="edit_cut") {
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cut();
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}
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//! @todo ?
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}
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void KexiDBLineEdit::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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setPalette(pal);
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}
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void KexiDBLineEdit::undo()
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{
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cancelEditor();
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}
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void KexiDBLineEdit::moveCursorToEnd()
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{
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KLineEdit::end(false/*!mark*/);
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}
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void KexiDBLineEdit::moveCursorToStart()
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{
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KLineEdit::home(false/*!mark*/);
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}
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void KexiDBLineEdit::selectAll()
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{
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KLineEdit::selectAll();
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}
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bool KexiDBLineEdit::keyPressed(TQKeyEvent *ke)
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{
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Q_UNUSED(ke);
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return false;
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}
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#include "kexidblineedit.moc"
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