DtFileWidgetDelegate.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCoreQt/vrvCoreQt.h>

#include <QtCore/QString>
#include <QtCore/QMap>

#include <QtWidgets/QStyledItemDelegate>

#include <map>
#include <string>

class QModelIndex;
class QString;
class QStyleOptionViewItem;


namespace makVrv
{
   class DtDe;


   class DT_DLL_VRVCOREQT DtFileWidgetDelegate : public QStyledItemDelegate
   {
      Q_OBJECT
   public:
      DtFileWidgetDelegate( DtDe& de, QObject* parent = NULL );

      virtual ~DtFileWidgetDelegate();

      void setCaption( const QString& cap = QString("") );

      void addFileTypeFilter( const QString& name, const QString& ext );

      QString fileTypeFilterString() const;

      static QString generateFileFilterItem(
         const QString& name, const QString& ext );

      static std::string rootDirectory();

      static std::string lastDirectory( const std::string& ext = "" );

      static void setDataDirectory(
         const std::string& ext, const std::string& dir );

   protected:
      virtual QWidget* createEditor( QWidget* parent,
         const QStyleOptionViewItem& option, const QModelIndex& index ) const;

      virtual QString displayText( const QVariant& value,
         const QLocale& locale ) const;

   protected:
      static std::string RootPath;

      static std::string LastDirectory;

      typedef std::map<std::string, std::string> ExtDirMap;
      static ExtDirMap LastDirectories;

   protected:
      DtDe& myDe;

      QString myCaption;

      QMap<QString, QString> myFilters;
   };
}