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143 lines
3.4 KiB
143 lines
3.4 KiB
/* This file is part of the KDE project
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Copyright (C) 2003 Lucijan Busch <lucijan@kde.org>
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Copyright (C) 2003-2005 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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#ifndef KEXIPARTMANAGER_H
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#define KEXIPARTMANAGER_H
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#include <tqobject.h>
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#include <tqdict.h>
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#include <tqasciidict.h>
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#include <tqintdict.h>
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#include <tqvaluelist.h>
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#include <tqptrlist.h>
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#include <kservice.h>
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#include <kexidb/object.h>
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//#include "kexipartdatasource.h"
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namespace KexiDB
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{
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class Connection;
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}
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namespace KexiPart
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{
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class Info;
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class Part;
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class StaticPart;
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struct Missing
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{
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TQString name;
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TQCString mime;
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TQString url;
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};
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typedef TQAsciiDict<Info> PartInfoDict;
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typedef TQDictIterator<Info> PartInfoDictIterator;
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typedef TQValueList<Missing> MissingList;
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typedef TQPtrList<Info> PartInfoList;
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typedef TQPtrListIterator<Info> PartInfoListIterator;
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typedef TQIntDict<Part> PartDict;
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// typedef TQPtrList<DataSource> DataSourceList;
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/**
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* @short KexiPart's manager: looks up and instantiates them
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*
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* It dlopens them when needed, they aren't dlopened at startup is not necessary.
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*/
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class KEXICORE_EXPORT Manager : public TQObject, public KexiDB::Object
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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/**
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* creates an empty instance
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*/
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Manager(TQObject *parent = 0);
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~Manager();
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/**
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* queries ktrader and creates a list of available parts
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*/
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void lookup();
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/**
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* \return a part object for specified mime type. Dlopens a part using KexiPart::Info
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* if needed. Return 0 if loading failed.
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*/
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Part *partForMimeType(const TQString& mimeTypt);
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/**
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* \return a part object for specified info. Dlopens a part using KexiPart::Info
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* if needed. Return 0 if loading failed.
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*/
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Part *part(Info *);
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/**
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* \return the info for a corresponding internal mime
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*/
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Info *infoForMimeType(const TQString& mimeType);
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/**
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* checks project's kexi__part table
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* and checks if all parts used in a project are available locally
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*
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* use @ref missingParts() to get a list of missing parts
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*/
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bool checkProject(KexiDB::Connection *conn);
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/**
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* @returns parts metioned in the project meta tables but not available locally
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*/
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MissingList missingParts() const { return m_missing; }
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/**
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* @returns a list of the available KexiParts in well-defined order
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*/
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PartInfoList *partInfoList() { return &m_partlist; }
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signals:
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void partLoaded(KexiPart::Part*);
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protected:
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//! Used by StaticPart
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void insertStaticPart(KexiPart::StaticPart* part);
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private:
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PartDict m_parts;
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PartInfoList m_partlist;
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PartInfoDict m_partsByMime;
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MissingList m_missing;
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int m_nextTempProjectPartID;
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bool m_lookupDone : 1;
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friend class StaticPart;
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};
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}
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#endif
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