kexiblobtableedit.h

/* This file is part of the KDE project
   Copyright (C) 2002 Peter Simonsson <psn@linux.se>
   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 _KEXIBLOBTABLEEDIT_H_
#define _KEXIBLOBTABLEEDIT_H_
 
#include <tqcstring.h>
#include <tqcache.h>
 
#include <kurl.h>
 
#include "kexitableedit.h"
#include "kexicelleditorfactory.h"
 
class KTempFile;
class TDEProcess;
class TQTextEdit;
 
class KexiBlobTableEdit : public KexiTableEdit
{
    TQ_OBJECT
  
    public:
        KexiBlobTableEdit(KexiTableViewColumn &column, TQWidget *parent=0);
        virtual ~KexiBlobTableEdit();
 
        bool valueIsNull();
        bool valueIsEmpty();
 
        virtual TQVariant value();
 
        virtual bool cursorAtStart();
        virtual bool cursorAtEnd();

        virtual void resize(int w, int h);
 
        virtual void showFocus( const TQRect& r, bool readOnly );
 
        virtual void hideFocus();

        virtual TQSize totalSize() const;
 
        virtual void paintFocusBorders( TQPainter *p, TQVariant &, int x, int y, int w, int h );

        virtual bool handleKeyPress( TQKeyEvent* ke, bool editorActive );

        virtual bool handleDoubleClick();

        virtual void handleAction(const TQString& actionName);

        virtual void handleCopyAction(const TQVariant& value, const TQVariant& visibleValue);
 
        virtual void setupContents( TQPainter *p, bool focused, const TQVariant& val, 
            TQString &txt, int &align, int &x, int &y_offset, int &w, int &h );
 
    protected slots:
        void slotUpdateActionsAvailabilityRequested(bool& valueIsNull, bool& valueIsReadOnly);
 
        void handleInsertFromFileAction(const KURL& url);
        void handleAboutToSaveAsAction(TQString& origFilename, TQString& fileExtension, bool& dataIsEmpty);
        void handleSaveAsAction(const TQString& fileName);
        void handleCutAction();
        void handleCopyAction();
        void handlePasteAction();
        virtual void clear();
        void handleShowPropertiesAction();
 
    protected:
        virtual void setValueInternal(const TQVariant& add, bool removeOld);
 
        //todo TQString openWithDlg(const TQString& file);
        //todo void execute(const TQString& app, const TQString& file);

        void updateFocus( const TQRect& r );
 
        void signalEditRequested();

        void executeCopyAction(const TQByteArray& data);
 
        virtual bool eventFilter( TQObject *o, TQEvent *e );
 
        class Private;
        Private *d;
//todo      KTempFile* m_tempFile;
//todo      TDEProcess* m_proc;
//todo      TQTextEdit *m_content;
};
 
KEXI_DECLARE_CELLEDITOR_FACTORY_ITEM(KexiBlobEditorFactoryItem)
 
 
//=======================
//This class is temporarily here:
 

class KexiTDEIconTableEdit : public KexiTableEdit
{
    public:
        KexiTDEIconTableEdit(KexiTableViewColumn &column, TQWidget *parent=0);
 
        virtual ~KexiTDEIconTableEdit();

        virtual bool valueIsNull();

        virtual bool valueIsEmpty();
 
        virtual TQVariant value();
 
        virtual bool cursorAtStart();
        virtual bool cursorAtEnd();
 
        virtual void clear();
 
        virtual void setupContents( TQPainter *p, bool focused, const TQVariant& val, 
            TQString &txt, int &align, int &x, int &y_offset, int &w, int &h );

        virtual void handleCopyAction(const TQVariant& value, const TQVariant& visibleValue);
 
    protected:
        virtual void setValueInternal(const TQVariant& add, bool removeOld);
 
        void showHintButton();
        void init();
 
        class Private;
        Private *d;
};
 
KEXI_DECLARE_CELLEDITOR_FACTORY_ITEM(KexiTDEIconTableEditorFactoryItem)
 
#endif