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/* This file is part of the KDE project
Copyright (C) 2003 Lucijan Busch <lucijan@kde.org>
Copyright (C) 2004,2006 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.
*/
#ifndef KEXIQUERYPART_H
#define KEXIQUERYPART_H
#include <qmap.h>
#include <kexidialogbase.h>
#include <kexipart.h>
#include <kexipartitem.h>
//#include <kexipartdatasource.h>
#include <kexidb/queryschema.h>
#include <kexidb/connection.h>
class KexiMainWin;
namespace KexiDB
{
class QuerySchema;
class Connection;
}
class KexiProject;
//! @short Kexi Query Designer Plugin.
class KexiQueryPart : public KexiPart::Part
{
Q_OBJECT
public:
KexiQueryPart(QObject *parent, const char *name, const QStringList &);
virtual ~KexiQueryPart();
virtual bool remove(KexiMainWindow *win, KexiPart::Item &item);
//! @short Temporary data kept in memory while switching between Query Dialog's views
class TempData : public KexiDialogTempData,
public KexiDB::Connection::TableSchemaChangeListenerInterface
{
public:
TempData(KexiDialogBase* parent, KexiDB::Connection *conn);
virtual ~TempData();
virtual tristate closeListener();
void clearQuery();
void unregisterForTablesSchemaChanges();
void registerTableSchemaChanges(KexiDB::QuerySchema *q);
/*! Assigns query \a query for this data.
Existing query (available using query()) is deleted but only
if it is not owned by parent dialog (i.e. != KexiDialogBase::schemaData()).
\a query can be 0.
If \a query is equal to existing query, nothing is performed.
*/
void setQuery(KexiDB::QuerySchema *query);
//! \return query associated with this data
KexiDB::QuerySchema *query() const { return m_query; }
//! Takes query associated with this data (without deleting) and returns it.
//! After this call query() == 0
KexiDB::QuerySchema *takeQuery();
//! Connection used for retrieving definition of the query
KexiDB::Connection *conn;
/*! true, if \a query member has changed in previous view.
Used on view switching. We're checking this flag to see if we should
rebuild internal structure for DesignViewMode of regenerated sql text
in TextViewMode after switch from other view. */
bool queryChangedInPreviousView : 1;
protected:
KexiDB::QuerySchema *m_query;
};
virtual QString i18nMessage(const QCString& englishMessage,
KexiDialogBase* dlg) const;
/*! Renames stored data pointed by \a item to \a newName.
Reimplemented to mark the query obsolete by using KexiDB::Connection::setQuerySchemaObsolete(). */
virtual tristate rename(KexiMainWindow * win, KexiPart::Item & item, const QString& newName);
protected:
virtual KexiDialogTempData* createTempData(KexiDialogBase* dialog);
virtual KexiViewBase* createView(QWidget *parent, KexiDialogBase* dialog,
KexiPart::Item &item, int viewMode = Kexi::DataViewMode, QMap<QString,QString>* staticObjectArgs = 0);
// virtual void initPartActions( KActionCollection *col );
// virtual void initInstanceActions( int mode, KActionCollection *col );
virtual void initPartActions();
virtual void initInstanceActions();
virtual KexiDB::SchemaData* loadSchemaData(KexiDialogBase *dlg,
const KexiDB::SchemaData& sdata, int viewMode);
};
#endif
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