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147 lines
3.9 KiB
147 lines
3.9 KiB
/* This file is part of the KDE project
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Copyright (C) 2005-2006 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 "kexidataiteminterface.h"
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#include <kdebug.h>
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KexiDataItemChangesListener::KexiDataItemChangesListener()
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{
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}
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KexiDataItemChangesListener::~KexiDataItemChangesListener()
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{
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}
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//-----------------------------------------------
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KexiDataItemInterface::KexiDataItemInterface()
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: m_listener(0)
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, m_listenerIsTQObject(false)
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, m_parentDataItemInterface(0)
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, m_hasFocusableWidget(true)
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, m_disable_signalValueChanged(false)
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, m_acceptEditorAfterDeleteContents(false)
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{
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}
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KexiDataItemInterface::~KexiDataItemInterface()
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{
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}
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void KexiDataItemInterface::setValue(const TQVariant& value, const TQVariant& add,
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bool removeOld, const TQVariant* visibleValue)
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{
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m_disable_signalValueChanged = true; //to prevent emmiting valueChanged()
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//needed? clear();
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if (dynamic_cast<TQObject*>(this)) {
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kdDebug() << "KexiDataItemInterface::setValue(): " <<
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dynamic_cast<TQObject*>(this)->className() << " "
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<< dynamic_cast<TQWidget*>(this)->name()
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<< " value=" << value << " add=" << add << endl;
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}
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m_origValue = value;
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setValueInternal(add, removeOld);
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if (visibleValue)
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setVisibleValueInternal(*visibleValue);
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m_disable_signalValueChanged = false;
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}
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void KexiDataItemInterface::setVisibleValueInternal(const TQVariant& value)
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{
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Q_UNUSED(value);
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}
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void KexiDataItemInterface::signalValueChanged()
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{
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if (m_disable_signalValueChanged || isReadOnly())
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return;
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if (m_parentDataItemInterface) {
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m_parentDataItemInterface->signalValueChanged();
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return;
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}
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if (m_listener) {
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beforeSignalValueChanged();
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m_listener->valueChanged(this);
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}
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}
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bool KexiDataItemInterface::valueChanged()
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{
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// bool ok;
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// kdDebug() << m_origValue.toString() << " ? " << value(ok).toString() << endl;
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// return (m_origValue != value(ok)) && ok;
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kdDebug() << "KexiDataItemInterface::valueChanged(): " << m_origValue.toString() << " ? " << value().toString() << endl;
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return m_origValue != value();
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}
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/*
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void KexiDataItemInterface::setValue(const TQVariant& value)
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{
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m_disable_signalValueChanged = true; //to prevent emmiting valueChanged()
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setValueInternal( value );
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m_disable_signalValueChanged = false;
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}*/
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KexiDataItemChangesListener* KexiDataItemInterface::listener()
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{
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if (!m_listener || !m_listenerIsTQObject)
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return m_listener;
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if (!m_listenerObject)
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m_listener = 0; //destroyed, update pointer
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return m_listener;
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}
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void KexiDataItemInterface::installListener(KexiDataItemChangesListener* listener)
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{
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m_listener = listener;
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m_listenerIsTQObject = dynamic_cast<TQObject*>(listener);
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if (m_listenerIsTQObject)
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m_listenerObject = dynamic_cast<TQObject*>(listener);
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}
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void KexiDataItemInterface::showFocus( const TQRect& r, bool readOnly )
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{
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Q_UNUSED(r);
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Q_UNUSED(readOnly);
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}
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void KexiDataItemInterface::hideFocus()
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{
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}
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void KexiDataItemInterface::clickedOnContents()
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{
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}
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bool KexiDataItemInterface::valueIsValid()
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{
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return true;
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}
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void KexiDataItemInterface::setParentDataItemInterface(KexiDataItemInterface* parentDataItemInterface)
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{
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m_parentDataItemInterface = parentDataItemInterface;
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}
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bool KexiDataItemInterface::cursorAtNewRow()
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{
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return listener() ? listener()->cursorAtNewRow() : false;
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}
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