ddtFileBasedOverlay.hpp

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#ifndef DDT_DATAVISUALISATION_DDTGRAPHCIS_FILEBASEDOVERLAY_HPP
#define DDT_DATAVISUALISATION_DDTGRAPHCIS_FILEBASEDOVERLAY_HPP
 
#define BOOST_BIND_GLOBAL_PLACEHOLDERS
 
#include <QtMath>
#include <boost/property_tree/json_parser.hpp>
#include <boost/property_tree/ptree.hpp>
 
#include "ddt/ddtGraphicalElement.hpp"
#include "ddt/ddtGraphicalElements.hpp"
 
namespace pt = boost::property_tree;
 
class DdtFileBasedOverlay {
 public:
  explicit DdtFileBasedOverlay();
 
  virtual ~DdtFileBasedOverlay();
 
  void AddGraphicalElement(DdtGraphicalElement* const element);
 
  void RemoveGraphicalElements();
 
  QList<DdtGraphicalElement*>* GetListOfGraphicalElements();
 
  bool LoadOverlayFile(const QString overlay_file,
                       const std::string image_widget_name, QString& error_msg);
 
  void ShowOverlay() const;
 
  void HideOverlay() const;
 
  void ShowOverlayByObject(const QString object_name) const;
 
  void HideOverlayByObject(const QString object_name) const;
 
  void ShowOverlayByElement(const QString element_name) const;
 
  void HideOverlayByElement(const QString element_name) const;
 
  std::string ParseElementType(pt::ptree& elem_type);
 
 private:
  bool ParseImageWidget(pt::ptree& image_widget);
  bool ParseObjectElements(pt::ptree& object);
  bool GetShow(pt::ptree const& node) const;
  bool HandleRectangle(pt::ptree const& element, const QString object_name);
  bool HandleEllipse(pt::ptree const& element, const QString object_name);
  bool HandleCross(pt::ptree const& element, const QString object_name);
  bool HandleLine(pt::ptree const& element, const QString object_name);
  bool HandleText(pt::ptree const& element, const QString object_name);
  void ReadProperties(pt::ptree const& properties_tree,
                      DdtGraphicalElementProperties& element_properties) const;
  Qt::GlobalColor CheckColour(const std::string colour) const;
  QFont::Weight CheckWeight(const std::string weight) const;
  Qt::PenStyle CheckLineStyle(const std::string line_style) const;
 
  QString error_txt;
  QList<DdtGraphicalElement*> graphical_elements;
};
 
#endif  // DDT_DATAVISUALISATION_DDTGRAPHCIS_FILEBASEDOVERLAY_HPP