HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Files · gui/include/DragDropHelper.h

Integrates the drag&drop classes into the existing visualization classes.

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             DragDropHelper.h
        
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      #ifndef DRAGDROPHELPER_H

      #define DRAGDROPHELPER_H

      #include <Common/spimpl.h>

      #include <QWidget>

      class QVBoxLayout;

      class QScrollArea;

      class VisualizationDragWidget;

      class QMimeData;

      /**

       * @brief Helper class for drag&drop operations.

       */

      class DragDropHelper

      {

      public:

          DragDropHelper();

          ~DragDropHelper();

          static const QString MIME_TYPE_GRAPH;

          static const QString MIME_TYPE_ZONE;

          void setCurrentDragWidget(VisualizationDragWidget* dragWidget);

          VisualizationDragWidget* getCurrentDragWidget() const;

          QWidget &placeHolder() const;

          void insertPlaceHolder(QVBoxLayout* layout, int index);

          void removePlaceHolder();

          bool isPlaceHolderSet() const;

          void addDragDropScrollArea(QScrollArea* scrollArea);

          void removeDragDropScrollArea(QScrollArea* scrollArea);

          QUrl imageTemporaryUrl(const QImage& image) const;

      private:

          class DragDropHelperPrivate;

          spimpl::unique_impl_ptr<DragDropHelperPrivate> impl;

      };

      #endif // DRAGDROPHELPER_H

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				#ifndef DRAGDROPHELPER_H
				#define DRAGDROPHELPER_H

				#include <Common/spimpl.h>
				#include <QWidget>

				class QVBoxLayout;
				class QScrollArea;
				class VisualizationDragWidget;
				class QMimeData;

				/**
				* @brief Helper class for drag&drop operations.
				*/
				class DragDropHelper
				{
				public:
				DragDropHelper();
				~DragDropHelper();

				static const QString MIME_TYPE_GRAPH;
				static const QString MIME_TYPE_ZONE;

				void setCurrentDragWidget(VisualizationDragWidget* dragWidget);
				VisualizationDragWidget* getCurrentDragWidget() const;

				QWidget &placeHolder() const;
				void insertPlaceHolder(QVBoxLayout* layout, int index);
				void removePlaceHolder();
				bool isPlaceHolderSet() const;

				void addDragDropScrollArea(QScrollArea* scrollArea);
				void removeDragDropScrollArea(QScrollArea* scrollArea);

				QUrl imageTemporaryUrl(const QImage& image) const;

				private:
				class DragDropHelperPrivate;
				spimpl::unique_impl_ptr<DragDropHelperPrivate> impl;
				};

				#endif // DRAGDROPHELPER_H