propertyOrderableListItem.h

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/*******************************************************************************
** Copyright (c) 2013 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include <vrvUtil/signalslib.h>

#include "propertyReaderWriter.h"

class QPushButton;
class DtListItem;

class DtPropertyOrderableListItem : public DtPropertyReaderWriter
{
   Q_OBJECT

public:
   DtPropertyOrderableListItem(makVrv::DtDe&, DtPropertySheet*, const QString& title, DtReaderWriter* var, DtReaderWriter* backup);
   DtPropertyOrderableListItem(makVrv::DtDe&, DtPropertyItem*, DtPropertySheet*, const QString& title,
      DtReaderWriter* var, DtReaderWriter* backup);

   static DtPropertyItem* create(makVrv::DtDe&, DtPropertySheet*, DtPropertyItem*, const QString& title,
      DtReaderWriter* var, DtReaderWriter* backup);

public:
   virtual bool isChanged() const;

   int originalPosition() const;

   virtual bool canOrder() const;
   void setCanOrder(bool);

public slots:
   virtual void moveUp();
   virtual void moveDown();

signals:
   void positionChanged();

protected:
   virtual QVariant data() const;
   virtual int buttonWidths() const;
   virtual void createButtons();
   virtual int indexOf(DtReaderWriter*) const;
   virtual DtListItem* listItem(DtReaderWriter*) const;
   virtual void updateButtons();
   virtual void setUserData(void*);
   virtual void savedOpdFile();
   virtual bool canRestore() const;

   virtual bool canDeleteItem() const;

   virtual bool operator<(const QTreeWidgetItem&) const;

protected:
   QPushButton*   myUp;
   QPushButton*   myDown;
   int            myOriginalPosition;
   bool           myCanOrder;
};

inline void DtPropertyOrderableListItem::setCanOrder(bool b)
{
   myCanOrder = b;
}

inline int DtPropertyOrderableListItem::originalPosition() const
{
   return myOriginalPosition;
}