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147 lines
4.2 KiB
147 lines
4.2 KiB
/* This file is part of the KDE project
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Copyright (C) 2002, 2003 Joseph Wenninger <jowenn@kde.org>
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Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
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This library 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 library 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 library; see the file COPYING.LIB. 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 "kexidragobjects.h"
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#include <tqcstring.h>
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#include <tqdatastream.h>
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#include <kdebug.h>
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/// implementation of KexiFieldDrag
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KexiFieldDrag::KexiFieldDrag(const TQString& sourceMimeType, const TQString& sourceName,
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const TQString& field, TQWidget *tqparent, const char *name)
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: TQStoredDrag("kexi/field", tqparent, name)
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{
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TQByteArray data;
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TQDataStream stream1(data,IO_WriteOnly);
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stream1 << sourceMimeType << sourceName << field;
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setEncodedData(data);
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}
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KexiFieldDrag::KexiFieldDrag(const TQString& sourceMimeType, const TQString& sourceName,
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const TQStringList& fields, TQWidget *tqparent, const char *name)
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: TQStoredDrag((fields.count() > 1) ? "kexi/fields" : "kexi/field", tqparent, name)
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{
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TQByteArray data;
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TQDataStream stream1(data,IO_WriteOnly);
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if (fields.count() > 1)
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stream1 << sourceMimeType << sourceName << fields;
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else {
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TQString field;
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if (fields.count() == 1)
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field = fields.first();
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else
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kexidbg << "KexiFieldDrag::KexiFieldDrag(): fields list is empty!" << endl;
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stream1 << sourceMimeType << sourceName << field;
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}
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setEncodedData(data);
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}
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KexiFieldDrag::~KexiFieldDrag()
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{
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}
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bool
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KexiFieldDrag::canDecodeSingle(TQMimeSource *e)
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{
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return e->provides("kexi/field");
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}
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bool
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KexiFieldDrag::canDecodeMultiple(TQMimeSource *e)
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{
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return e->provides("kexi/field") || e->provides("kexi/fields");
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}
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bool
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KexiFieldDrag::decodeSingle( TQDropEvent* e, TQString& sourceMimeType,
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TQString& sourceName, TQString& field )
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{
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TQByteArray payload( e->data("kexi/field") );
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if (payload.isEmpty())
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return false;
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e->accept();
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TQDataStream stream1(payload, IO_ReadOnly);
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stream1 >> sourceMimeType;
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stream1 >> sourceName;
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stream1 >> field;
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// kdDebug() << "KexiFieldDrag::decode() decoded: " << sourceMimeType<<"/"<<sourceName<<"/"<<field << endl;
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return true;
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}
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bool
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KexiFieldDrag::decodeMultiple( TQDropEvent* e, TQString& sourceMimeType,
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TQString& sourceName, TQStringList& fields )
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{
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TQByteArray payload( e->data("kexi/fields") );
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if (payload.isEmpty()) {//try single
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TQString field;
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bool res = KexiFieldDrag::decodeSingle( e, sourceMimeType, sourceName, field );
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if (!res)
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return false;
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fields.append(field);
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return true;
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}
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e->accept();
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TQDataStream stream1(payload, IO_ReadOnly);
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stream1 >> sourceMimeType;
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stream1 >> sourceName;
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stream1 >> fields;
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// kdDebug() << "KexiFieldDrag::decode() decoded: " << sourceMimeType<<"/"<<sourceName<<"/"<<fields << endl;
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return true;
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}
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/// implementation of KexiDataProviderDrag
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KexiDataProviderDrag::KexiDataProviderDrag(const TQString& sourceMimeType, const TQString& sourceName,
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TQWidget *tqparent, const char *name)
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: TQStoredDrag("kexi/dataprovider", tqparent, name)
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{
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TQByteArray data;
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TQDataStream stream1(data,IO_WriteOnly);
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stream1 << sourceMimeType << sourceName;
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setEncodedData(data);
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}
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bool
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KexiDataProviderDrag::canDecode(TQDragMoveEvent *e)
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{
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return e->provides("kexi/dataprovider");
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}
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bool
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KexiDataProviderDrag::decode( TQDropEvent* e, TQString& sourceMimeType, TQString& sourceName)
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{
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TQCString tmp;
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TQByteArray payload = e->data("kexidataprovider");
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if(payload.size())
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{
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e->accept();
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TQDataStream stream1(payload, IO_ReadOnly);
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stream1 >> sourceMimeType;
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stream1 >> sourceName;
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// kdDebug() << "KexiDataProviderDrag::decode() decoded: " << sourceMimeType <<"/"<<sourceName<< endl;
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return true;
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}
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return false;
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}
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