kexirelationwidget.h

/* This file is part of the KDE project
   Copyright (C) 2002   Lucijan Busch <lucijan@gmx.at>
   Copyright (C) 2003-2004 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 KEXIRELATIONWIDGET_H
#define KEXIRELATIONWIDGET_H
 
//#include <tqwidget.h>
//#include "kexiactionproxy.h"
#include "kexiviewbase.h"
#include "kexirelationview.h"
 
class KComboBox;
class KPushButton;
class TDEPopupMenu;
class TDEAction;
class TQListViewItem;
 
class KexiMainWindow;
 
namespace KexiDB
{
    class Connection;
    class TableSchema;
    class Reference;
}
 
class KEXIRELATIONSVIEW_EXPORT KexiRelationWidget : public KexiViewBase
{
    TQ_OBJECT
  
 
    public:
        KexiRelationWidget(KexiMainWindow *win, TQWidget *parent, const char *name=0);
        virtual ~KexiRelationWidget();

        TablesDict* tables() const;
        KexiRelationViewTableContainer* table(const TQString& name) const;
        const ConnectionList* connections() const;
 
//      KexiRelationView    *relationView() const { return m_relationView; }
        void addTable(const TQString& t);
 
//      void openTable(KexiDB::TableSchema* table, bool designMode);
 
        virtual TQSize sizeHint() const;

        void objectCreated(const TQCString &mime, const TQCString& name);
        void objectDeleted(const TQCString &mime, const TQCString& name);
        void objectRenamed(const TQCString &mime, const TQCString& name, const TQCString& newName);
 
    signals:
        void tableAdded(KexiDB::TableSchema& t);
        void tableHidden(KexiDB::TableSchema& t);
        void tablePositionChanged(KexiRelationViewTableContainer*);
        void aboutConnectionRemove(KexiRelationViewConnection*);
        void tableFieldDoubleClicked( KexiDB::TableSchema* table, const TQString& fieldName );
    
    public slots:
        void addTable(KexiDB::TableSchema *t, const TQRect &rect = TQRect());

        void addConnection(const SourceConnection& conn);
 
        void removeSelectedObject();

        void clear();

        void removeAllConnections();

        void hideAllTablesExcept( KexiDB::TableSchema::List* tables );
 
    protected slots:
        void slotAddTable();
        void tableViewGotFocus();
        void connectionViewGotFocus();
        void emptyAreaGotFocus();
        void tableContextMenuRequest(const TQPoint& pos);
        void connectionContextMenuRequest(const TQPoint& pos);
        void emptyAreaContextMenuRequest( const TQPoint& pos );
        void openSelectedTable();
        void designSelectedTable();
        void slotTableHidden(KexiDB::TableSchema &table);
        void aboutToShowPopupMenu();
        void slotTableFieldDoubleClicked(TQListViewItem *i,const TQPoint&,int);
 
    protected:
        void executePopup( TQPoint pos = TQPoint(-1,-1) );

        void invalidateActions();

        void fillTablesCombo();
 
    private:
        KexiMainWindow *m_win;
        KComboBox *m_tableCombo;
        KPushButton *m_btnAdd;
        KexiRelationView *m_relationView;
        KexiDB::Connection *m_conn;
 
        TDEPopupMenu *m_tableQueryPopup //over table/query
            , *m_connectionPopup //over connection
            , *m_areaPopup; //over outer area
        TDEAction *m_openSelectedTableAction, *m_designSelectedTableAction;
 
        int m_tableQueryPopupTitleID, m_connectionPopupTitleID;
};
 
#endif