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