/****************************************************************************
**
** Copyright (C) 2002-2006 Frank Hemer <frank@hemer.org>,
**                         Tilo Riemer <riemer@crossvc.com>
**
**
**----------------------------------------------------------------------------
**
**----------------------------------------------------------------------------
**
** CrossVC is available under two different licenses:
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** If CrossVC is linked against the GPLed version of Qt 
** CrossVC is released under the terms of GPL also.
**
** If CrossVC is linked against a nonGPLed version of Qt 
** CrossVC is released under the terms of the 
** CrossVC License for non-Unix platforms (CLNU)
**
**
** CrossVC License for non-Unix platforms (CLNU):
**
** Redistribution and use in binary form, without modification, 
** are permitted provided that the following conditions are met:
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** 1. Redistributions in binary form must reproduce the above copyright
**    notice, this list of conditions and the following disclaimer in the
**    documentation and/or other materials provided with the distribution.
** 2. It is not permitted to distribute the binary package under a name
**    different than CrossVC.
** 3. The name of the authors may not be used to endorse or promote
**    products derived from this software without specific prior written
**    permission.
** 4. The source code is the creative property of the authors.
**    Extensions and development under the terms of the Gnu Public License
**    are limited to the Unix platform. Any distribution or compilation of 
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** CrossVC License for Unix platforms:
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** 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, version 2 of the License.
** 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 General Public License version 2 for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation,
** Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*****************************************************************************/

#ifndef FILETABLEIMPL_H
#define FILETABLEIMPL_H

#include <qtable.h>

class FileTableImpl : public QTable { 
   Q_OBJECT

 signals:
  
   void clicked(int,int);
   void focused(int,int);
   void unselected(int,int);
   void selectionChanged(int,int,QString);
   void xScrollValueChanged(int);
   void yScrollValueChanged(int);
   void clear(int,int);
   void selectedBlock(int,int,int);
   void unSelectedBlock(int,int,int);

 public:

   FileTableImpl( QWidget* parent = 0,
	 const char* name = 0);
   virtual ~FileTableImpl();
   virtual void keyPressEvent( QKeyEvent*);
   virtual void setFont ( const QFont & );

   virtual void setItem(int,int,QTableItem *);
   virtual void resizeData(int) {}
   virtual QTableItem * item(int,int) const;
   virtual void clearCell(int,int);
   virtual void takeItem(QTableItem *);
   virtual void paintCell(QPainter *,int,int,const QRect &,bool,const QColorGroup &);
   virtual void swapCells(int,int,int,int);

   virtual int rowHeight(int) const;
   virtual int rowPos(int) const;
   virtual int rowAt(int) const;

   void setID(int);
   void setBlock(int,bool);
   int setBlockState(int,int,bool);

   void setBackground(QColor);
   void reserveLines(int);
   void addLine(QString,QString,bool unchangeable=false,const QColor=QColor("green"),const QColor=QColor("gray"),const QColor=QColor("red"));
   void addBlock(QString,bool unchangeable=false,const QColor=QColor("green"),const QColor=QColor("gray"),const QColor=QColor("red"));
   void addParagraph(QString,bool unchangeable=false,const QColor=QColor("green"),const QColor=QColor("gray"),const QColor=QColor("red"));
   void addLine(QString,QString,bool,const QColor,const QColor,const QColor,const QColor);
   void addBlock(QString,bool,const QColor,const QColor,const QColor,const QColor);
   void addParagraph(QString,bool,const QColor,const QColor,const QColor,const QColor);
   void setText(int,const QString&);
   const QString getText(int);
   void move(int,int,int);

   void render();
   void adjustScrollBarOffsets(int &from, int &to);

   int getTopLine();
   int getFocusedLine();

 public slots:
    
   void cancelRead();
   void tableClicked(int,int,int,const QPoint&);
   void setSelected(int,bool);
   void setFocusRow(int);
   void setFocusPos(int);
   void setFocus(int,int);

   void xScrollPosChanged(int val);
   void yScrollPosChanged(int val);
   void setXScrollPos(int);
   void setYScrollPos(int);
  
 protected:

   virtual void contentsMousePressEvent(QMouseEvent *);
   void focusInEvent( QFocusEvent*);
   void focusOutEvent( QFocusEvent*);
   void resizeEvent( QResizeEvent *e);

 private:

   class FileTableItem : public QTableItem {
      
   public:
      
      FileTableItem(QTable*,QTableItem::EditType,QString,const QColor&,const QColor&,bool unchangeable=false,int id=0);
      virtual ~FileTableItem();
      
      void setColorGroup(QColorGroup&);
      virtual void paint( QPainter*, const QColorGroup&, const QRect&, bool);
      void toggle();
      bool isSelected() { return m_state;}
      void setSelected(bool b) { if (m_state != b) toggle();}
      bool changeable() { return !m_unchangeable;}
      int id() { return m_id;}
      
      QColor m_selectedColor;
      QColor m_unselectedColor;
      QColorGroup m_colorGroup;
      bool m_state;
      bool m_unchangeable;
      int m_id;
   };

   QIntDict<QTableItem> items;
   QIntDict<QWidget> widgets;

   bool m_stop;
   int m_ID;

   int m_rows;
   int m_lines;
   int m_blocks;
  
   int m_selectedRow;
   int m_focusedRowPos;
  
   int m_lastMarked;
   bool m_wasBlockSelect;
  
   FileTableImpl* m_Partner;
   int m_maxWidth0;
   int m_maxWidth1;
   QFontMetrics* fm;
   int m_lineSpacing;
  
   int m_ScrollBarMinPos;
   int m_ScrollBarMaxPos;
   bool m_blockScrollPos;
};

#endif // FILETABLEIMPL_H