1 files changed, 146 insertions, 0 deletions
diff --git a/kexi/core/kexidragobjects.cpp b/kexi/core/kexidragobjects.cpp
new file mode 100644
index 00000000..5cddbca0
--- /dev/null
+++ b/kexi/core/kexidragobjects.cpp
@@ -0,0 +1,146 @@
+/* This file is part of the KDE project
+   Copyright (C) 2002, 2003 Joseph Wenninger <jowenn@kde.org>
+   Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
+
+   This library 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 library 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 library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#include "kexidragobjects.h"
+
+#include <qcstring.h>
+#include <qdatastream.h>
+#include <kdebug.h>
+
+/// implementation of KexiFieldDrag
+
+KexiFieldDrag::KexiFieldDrag(const QString& sourceMimeType, const QString& sourceName, 
+	const QString& field, QWidget *parent, const char *name)
+ : QStoredDrag("kexi/field", parent, name)
+{
+	QByteArray data;
+	QDataStream stream1(data,IO_WriteOnly);
+	stream1 << sourceMimeType << sourceName << field;
+	setEncodedData(data);
+}
+
+KexiFieldDrag::KexiFieldDrag(const QString& sourceMimeType, const QString& sourceName, 
+	const QStringList& fields, QWidget *parent, const char *name)
+ : QStoredDrag((fields.count() > 1) ? "kexi/fields" : "kexi/field", parent, name)
+{
+	QByteArray data;
+	QDataStream stream1(data,IO_WriteOnly);
+	if (fields.count() > 1)
+		stream1 << sourceMimeType << sourceName << fields;
+	else {
+		QString field;
+		if (fields.count() == 1)
+			field = fields.first();
+		else
+			kexidbg << "KexiFieldDrag::KexiFieldDrag(): fields list is empty!" << endl;
+		stream1 << sourceMimeType << sourceName << field;
+	}
+	setEncodedData(data);
+}
+
+KexiFieldDrag::~KexiFieldDrag()
+{
+}
+
+bool
+KexiFieldDrag::canDecodeSingle(QMimeSource *e)
+{
+	return e->provides("kexi/field");
+}
+
+bool
+KexiFieldDrag::canDecodeMultiple(QMimeSource *e)
+{
+	return e->provides("kexi/field") || e->provides("kexi/fields");
+}
+
+bool
+KexiFieldDrag::decodeSingle( QDropEvent* e, QString& sourceMimeType, 
+	QString& sourceName, QString& field )
+{
+	QByteArray payload( e->data("kexi/field") );
+	if (payload.isEmpty())
+		return false;
+	e->accept();
+	QDataStream stream1(payload, IO_ReadOnly);
+	stream1 >> sourceMimeType;
+	stream1 >> sourceName;
+	stream1 >> field;
+//	kdDebug() << "KexiFieldDrag::decode() decoded: " << sourceMimeType<<"/"<<sourceName<<"/"<<field << endl;
+	return true;
+}
+
+bool
+KexiFieldDrag::decodeMultiple( QDropEvent* e, QString& sourceMimeType, 
+	QString& sourceName, QStringList& fields )
+{
+	QByteArray payload( e->data("kexi/fields") );
+	if (payload.isEmpty()) {//try single
+		QString field;
+		bool res = KexiFieldDrag::decodeSingle( e, sourceMimeType, sourceName, field );
+		if (!res)
+			return false;
+		fields.append(field);
+		return true;
+	}
+	e->accept();
+	QDataStream stream1(payload, IO_ReadOnly);
+	stream1 >> sourceMimeType;
+	stream1 >> sourceName;
+	stream1 >> fields;
+//	kdDebug() << "KexiFieldDrag::decode() decoded: " << sourceMimeType<<"/"<<sourceName<<"/"<<fields << endl;
+	return true;
+}
+
+/// implementation of KexiDataProviderDrag
+
+KexiDataProviderDrag::KexiDataProviderDrag(const QString& sourceMimeType, const QString& sourceName,
+	QWidget *parent, const char *name)
+ : QStoredDrag("kexi/dataprovider", parent, name)
+{
+	QByteArray data;
+	QDataStream stream1(data,IO_WriteOnly);
+	stream1 << sourceMimeType << sourceName;
+	setEncodedData(data);
+}
+
+
+bool
+KexiDataProviderDrag::canDecode(QDragMoveEvent *e)
+{
+	return e->provides("kexi/dataprovider");
+}
+
+bool
+KexiDataProviderDrag::decode( QDropEvent* e, QString& sourceMimeType, QString& sourceName)
+{
+	QCString tmp;
+	QByteArray payload = e->data("kexidataprovider");
+	if(payload.size())
+	{
+		e->accept();
+		QDataStream stream1(payload, IO_ReadOnly);
+		stream1 >> sourceMimeType;
+		stream1 >> sourceName;
+//		kdDebug() << "KexiDataProviderDrag::decode() decoded: " << sourceMimeType <<"/"<<sourceName<< endl;
+		return true;
+	}
+	return false;
+}