src/itemcolors.h

/***************************************************************************
                          itemcolors.h  -  description
                             -------------------
    begin                : Tue Sep 16 2004
    copyright            : (C) 2003 by Lynn Hazan
    email                : lynn.hazan@myrealbox.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 ITEMCOLORS_H
#define ITEMCOLORS_H

// include files for Qt
#include <qptrlist.h>
#include <qcolor.h>
#include <qvaluelist.h>


class ItemColors  {

public:

  enum SelectionMode {BY_INDEX=0,BY_ITEM_NUMBER=1};

  ItemColors();
  virtual ~ItemColors();
  ItemColors(const ItemColors& itemcolors);

private:

  struct ItemColor{
    int itemId;
    QColor color;
    bool isChanged;
    QString label;

    ItemColor(int id, QColor c,QString l = ""){
      itemId = id;
      color = c;
      isChanged = false;
      if(l == "") label = QString("%1").arg(id);
      else label = l;      
    }
    ItemColor(const ItemColor& origin):itemId(origin.itemId),
    color(origin.color),isChanged(origin.isChanged),label(origin.label){};
    ~ItemColor(){};
  };

  QPtrList<ItemColor> itemList;

  bool colorChanged;

  virtual ItemColor* itemColor(int itemId) const;

  virtual int itemColorIndex(int itemId) const;

public:

  inline void removeAll(){itemList.clear();};
  
  virtual QColor color(int identifier, SelectionMode mode = BY_ITEM_NUMBER);

  virtual void setColor(int identifier, QColor color, SelectionMode mode = BY_ITEM_NUMBER);

  virtual int itemId(int index);

  inline int itemIndex(int itemId) const{return itemColorIndex(itemId);};

  virtual QString itemLabel(int index);

  virtual QString itemLabelById(int id);

  virtual bool contains(int itemId);

  virtual bool isColorChanged(int identifier, SelectionMode mode = BY_ITEM_NUMBER);

  virtual void setColorChanged(int identifier, bool changed, SelectionMode mode = BY_ITEM_NUMBER);

  virtual inline uint numberOfItems() const {return itemList.count();};

  virtual inline bool isColorChanged()const{return colorChanged;};

  virtual inline void setColorChanged(bool changed){colorChanged = changed;};


  virtual uint append(int itemId, QColor color);

  virtual uint append(int itemId,QString label,QColor color);

  virtual void insert(int itemId, QColor color,int index);

  virtual void insert(int itemId,QString label, QColor color,int index);

  
  virtual bool remove(int identifier, SelectionMode mode = BY_ITEM_NUMBER);

  virtual QValueList<int> colorChangedItemList();

  virtual void resetAllColorStatus();

  virtual void changeItemId(int index, int newItemId);

  virtual void changeItemLabel(int index,QString newItemLabel);
  
};

#endif

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