variableColumnTreeWidgetInterface.h

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/******************************************************************************
** Copyright (c) 2008 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtVariableColumnTreeWidgetInterface.cxx,v $ $Revision: 1.1 $ $State: Exp $
******************************************************************************/



#pragma once

#include <vrfGuiCoreQt/vrfGuiCoreQt.h>

#include <boost/function.hpp>

#include <QtGui/QColor>
#include <QtCore/QVariant>
#include <QtCore/QPoint>

class QTreeWidgetItem;
class QString;
class QPixmap;

namespace makVrf
{
   class DtVariableColumnTreeWidgetLogic;

   class DT_DLL_VRFGUICOREQT DtVariableColumnTreeWidgetInterface
   {
   public:
      enum Flags
      {
         Show =      0x00000001,       
         Permenant = 0x00000002        
      };

      typedef boost::function< QVariant ( const QString& rowKey, const QString& colKey, int role )> DtDisplayFunction;
      typedef boost::function< int ( QTreeWidgetItem*, QTreeWidgetItem* )> DtSortFunction;

   public:
   
      virtual ~DtVariableColumnTreeWidgetInterface();

   public:
      virtual void addColumn(const QString&, const Flags&, 
            DtDisplayFunction* display, DtSortFunction* sort = defaultSort()) = 0;

      virtual void setFlagsForColumn(const QString& s, const Flags&) = 0;

      virtual int addColumn(const QString& s, const Flags&) = 0;

      virtual int removeColumn(const QString&) = 0;

      virtual QColor backgroundColor() const = 0;

      virtual void createMenuButton(int iCol, const QPixmap& arrow) = 0;

      virtual void clear() = 0;

      virtual void addRow(const QString&) = 0;

      virtual void removeRow(const QString&) = 0;

      virtual void setLogic(DtVariableColumnTreeWidgetLogic*) = 0;

      virtual QPoint menuPointForColumn(int) const = 0;

      virtual bool isColumnVisible(int) const = 0;

      virtual void setColumnVisible(int, bool) = 0;

   public:
      static DtSortFunction* defaultSort();

   protected:
      static int defaultSort(QTreeWidgetItem* lhs, QTreeWidgetItem* rhs);
   };
}