1 files changed, 146 insertions, 0 deletions
diff --git a/kexi/core/kexidataiteminterface.cpp b/kexi/core/kexidataiteminterface.cpp
new file mode 100644
index 00000000..8fe78c85
--- /dev/null
+++ b/kexi/core/kexidataiteminterface.cpp
@@ -0,0 +1,146 @@
+/* This file is part of the KDE project
+   Copyright (C) 2005-2006 Jaroslaw Staniek <[email protected]>
+
+   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;
+}