include/vrfGuiCoreQt/DtVariableColumnTreeWidgetLogic.h

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/****************************************************************************** 
** Copyright (c) 2009 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
/****************************************************************************** 
** $RCSfile: DtVariableColumnTreeWidgetLogic.h,v $ $Revision: 1.1 $ $State: Exp $ 
******************************************************************************/ 
 

 
#pragma once

#include <vrfGuiCoreQt/vrfGuiCoreQt.h>
#include <vrfGuiCoreQt/DtVariableColumnTreeWidgetInterface.h>

#include <map>

#include <QtGui/QPixmap>
#include <QtGui/QMenu>
#include <QtGui/QActionGroup>

#include <QtCore/QVariant>

class QTreeWidgetItem;

namespace makVrf
{
   class DtShowHideColumnMenu;

   class DT_DLL_VRFGUICOREQT DtVariableColumnTreeColumn
   {
   public:
      unsigned int                                             myCol;
      DtVariableColumnTreeWidgetInterface::Flags               myFlags;
      DtVariableColumnTreeWidgetInterface::DtDisplayFunction*  myDisplayFunction;
      DtVariableColumnTreeWidgetInterface::DtSortFunction*     mySortFunction;
   };

   class DT_DLL_VRFGUICOREQT DtVariableColumnTreeWidgetLogic
   {
   public:
      typedef std::map<std::string, DtVariableColumnTreeColumn> DtVariableColumnMap;

   public: 

      DtVariableColumnTreeWidgetLogic(DtVariableColumnTreeWidgetInterface* iFace );
      
      virtual ~DtVariableColumnTreeWidgetLogic();

      virtual void addColumn(const QString&, const DtVariableColumnTreeWidgetInterface::Flags&, 
            DtVariableColumnTreeWidgetInterface::DtDisplayFunction* display, DtVariableColumnTreeWidgetInterface::DtSortFunction* sort);

      virtual void removeColumn(const QString&);

      virtual QVariant data(const QString& rowKey, const QString& colKey, int iRole) const;

      virtual void displayMenu(int);

      const DtVariableColumnMap& columns() const
      {
         return myColumns;
      }

      virtual bool isColumnVisible(int) const;

      virtual void setColumnVisible(int, bool);

   protected:
      QPixmap createMenuArrow();

      virtual void executeShowHideColumnMenu(int);
      virtual DtShowHideColumnMenu* createShowHideColumnMenu();

   protected:
      DtVariableColumnTreeWidgetInterface* myInterface;

      DtVariableColumnMap  myColumns;
   };

   class DT_DLL_VRFGUICOREQT DtShowHideColumnMenu : public QMenu
   {
      Q_OBJECT

   public:
      DtShowHideColumnMenu(DtVariableColumnTreeWidgetLogic*);
      virtual ~DtShowHideColumnMenu();

   protected:
      void setupItems();

      virtual void showAll(bool b);

   protected slots:
      virtual void changeColumnVisibility(bool);
      virtual void showAll();
      virtual void hideAll();

   protected:
      DtVariableColumnTreeWidgetLogic* myLogic;
      QActionGroup*                    myGroup;
      std::vector<QAction*>            myActions;
   };
}