src/itempalette.h

/***************************************************************************
                          itemPalette.h  -  description
                             -------------------
    begin                : Thur feb  26  12:06:21 EDT 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 ITEMPALETTE_H
#define ITEMPALETTE_H

//QT include files
#include <qvariant.h>
#include <qwidget.h>
#include <qvbox.h> 
#include <qiconview.h>
#include <qdict.h>
#include <qptrlist.h>
#include <qmap.h>
#include <qdragobject.h>
#include <qlabel.h>
#include <qcursor.h>
#include <qpainter.h>

// application specific includes
#include "itemgroupview.h"
#include "itemiconview.h"

//General C++ include files
#include <iostream>
using namespace std;

// forward declaration
class QIconView;
class QIconViewItem;
class ItemColors;

class ItemPalette : public QScrollView
{
    Q_OBJECT
    
public:

    enum PaletteType {CLUSTER=0,EVENT=1};

    ItemPalette(PaletteType type,QColor backgroundColor,QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
   /*
   *  Destroys the object and frees any allocated resources.
   */
   ~ItemPalette();

    void createItemList(ItemColors* itemColors,QString groupName,int descriptionLength);

    void selectItems(QString groupName,QValueList<int> itemsToSelect,QValueList<int> itemsToSkip);

    void reset();
    
    const QMap<QString,QValueList<int> > selectedItems();

    void changeBackgroundColor(QColor color);

    inline QString selectedGroup(){return selected;};

    void removeGroup(QString groupName);

    void selectGroup(QString groupName);
    
    void selectAllItems();

    void deselectAllItems();

    bool isBrowsingEnable();
    
public slots:
    void slotMousePressWoModificators(QString sourceGroup);
    void slotMousePressWAltButton(QString sourceGroup,int index);
    
protected slots:
    void slotRightPressed(QIconViewItem* item);
    void slotMousePressed(int button,QIconViewItem* item,QString sourceGroupName);
    void slotMousePressed(QString sourceGroupName,bool shiftKey = false,bool ctrlAlt = false);
    void slotMidButtonPressed(QString sourceGroupName);  
    void slotClickRedraw();
    void languageChange();
    void resizeEvent(QResizeEvent* event);
    void drawContents(QPainter* painter);
    void slotMouseReleased(QString sourceGroupName);

signals:
    void colorChanged(int item,QString groupName);
    void updateShownItems(const QMap<QString,QValueList<int> >& selectedItems);    
    void paletteResized(int parentWidth,int labelSize);
    void selectedGroupChanged(QString eventGroupName);
    void updateItemsToSkip(QString groupName,const QValueList<int>& itemsToSkip);
    void noClustersToBrowse();
    void noEventsToBrowse();
    void clustersToBrowse();
    void eventsToBrowse();
    
private:    
    QDict<ItemColors> itemColorsDict;

    QColor backgroundColor;

    bool isInSelectItems;

    QVBox* verticalContainer;

    QDict<ItemIconView> iconviewDict;

    QDict<ItemGroupView> itemGroupViewDict;

    QWidget* spaceWidget;

    int labelSize;

    PaletteType type;
    
    QString selected;

    QValueList<int> clusterGroupList;
    
    QValueList<QString> itemGroupList;

    int gridX;

    QMap<QString, QMap<int,bool> > browsingStatus;

    QMap<QString, QValueList<int> > needRedrawing;

    bool updateIconPixmap;
    
    QMap<QString,bool> selectionStatus;    
    
   //Functions

    void changeColor(QIconViewItem* item,QString groupName);

    void createGroup(QString id);

    void updateItemList(QString groupName);

    void orderTheGroups();

    void redrawItem(ItemIconView* iconView,ItemColors* itemColors,int index,QMap<int,bool> browsingMap);
    
    void selectGroupLabel(QString groupName);
};

class GroupNameLabel : public QLabel{
 Q_OBJECT
  public:
   inline GroupNameLabel(const QString& text,QWidget* parent,const char* name = 0,WFlags f = 0):
    QLabel(text,parent,name,f){};

  signals:
    void leftClickOnLabel(QString sourceId,bool shiftKey,bool ctrlAlt);
    void middleClickOnLabel(QString sourceId);
     
  protected:
   virtual inline void mousePressEvent(QMouseEvent* e){
    if(e->button() == QMouseEvent::LeftButton && !(e->state() & ShiftButton) && !(e->state() & ControlButton) && !(e->state() & AltButton)){
     emit leftClickOnLabel(parent()->name(),false,false); 
    }
    if(e->button() == QMouseEvent::LeftButton && (e->state() & ShiftButton) && !(e->state() & ControlButton) && !(e->state() & AltButton)){
     emit leftClickOnLabel(parent()->name(),true,false); 
    }
    if(e->button() == QMouseEvent::LeftButton && (e->state() & ControlButton) && (e->state() & AltButton)){
     emit leftClickOnLabel(parent()->name(),false,true); 
    }
    if(e->button() == QMouseEvent::MidButton){
     emit middleClickOnLabel(parent()->name());
    }
   };

};

#endif // CHANNELPALETTE_H

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