/***************************************************************************
    copyright     : (C) 1999 by Edwin Glaser
    email         : edwin@pannenleiter.de
    version       : $Id: dbcombobox.h,v 1.1.1.1 2000/02/07 21:41:49 ege Exp $
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   * 
 *                                                                         *
 ***************************************************************************/



#ifndef DBCOMBOBOX_H
#define DBCOMBOBOX_H

#include <qwidget.h>
#include <qcombobox.h>

#include "dbdatasource.h"
#include "dbpainter.h"

/**
  * A data-aware combobox
  * 
  *@author Edwin Glaser
  */

class DBComboBox : public QComboBox, public DBPainter
{
   Q_OBJECT

protected:
  DBDataSource *data;
	int column;
	bool userEnabled;
  bool dbSlot;
  DBValueAdaptor *adaptor;
		
public: 
	DBComboBox(DBDataSource *d, int col, QWidget *parent=0, const char *name=0);
	DBComboBox(DBDataSource *d, int col, bool rw, QWidget *parent=0, const char *name=0);
	~DBComboBox();
	virtual void paint (QPainter *p, int width, int height, int align = 0, const char *format = 0);
	void setAdaptor(DBValueAdaptor *a);
	
	DBDataSource *getDataSource() { return data; };
	int getColumn() { return column; };

protected:
	// virtual void keyPressEvent ( QKeyEvent * e );
	
protected slots:

	void myTextChanged1(const char *newText);
    void myTextChanged2(const QString &newText);
	virtual void adaptorChanged(int);
	virtual void checkEnabled();
	virtual void stateChanged();
	virtual void dbTextChanged();
	virtual void dbTextChanged(int column);

public slots:
  virtual void setEnabled ( bool );
};

class DBComboBoxFactory : public DBWidgetFactory
{
protected:
  static DBComboBoxFactory *instance;
	DBComboBoxFactory() : adaptor(0) {};
	DBValueAdaptor *adaptor;
	
public:
	static DBWidgetFactory *getFactory();
	static DBWidgetFactory *makeFactory(DBValueAdaptor *a);
	virtual QWidget *makeEditor(DBDataSource *d, int col, QWidget *parent);
	virtual DBPainter *makePainter (QWidget *editor);
};

class DBEditComboBoxFactory : public DBWidgetFactory
{
protected:
  static DBEditComboBoxFactory *instance;
	DBEditComboBoxFactory() : adaptor(0) {};
	DBValueAdaptor *adaptor;
	
public:
	static DBWidgetFactory *getFactory();
	static DBWidgetFactory *makeFactory(DBValueAdaptor *a);
	virtual QWidget *makeEditor(DBDataSource *d, int col, QWidget *parent);
	virtual DBPainter *makePainter (QWidget *editor);
};

#endif