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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/coregui/Views/SampleDesigner/DesignerScene.h
//! @brief Defines class DesignerScene
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_GUI_COREGUI_VIEWS_SAMPLEDESIGNER_DESIGNERSCENE_H
#define BORNAGAIN_GUI_COREGUI_VIEWS_SAMPLEDESIGNER_DESIGNERSCENE_H
#include <QGraphicsScene>
#include <QMap>
#include <QModelIndex>
class InstrumentModel;
class SampleModel;
class SessionItem;
class SessionGraphicsItem;
class QItemSelectionModel;
class IView;
class QItemSelection;
class NodeEditorConnection;
class DesignerMimeData;
class SampleViewAligner;
class NodeEditor;
class FilterPropertyProxy;
class MaterialModel;
//! Main class which represents SessionModel on graphics scene
class DesignerScene : public QGraphicsScene {
Q_OBJECT
public:
explicit DesignerScene(QObject* parent = 0);
virtual ~DesignerScene();
void setSampleModel(SampleModel* sampleModel);
void setInstrumentModel(InstrumentModel* instrumentModel);
void setMaterialModel(MaterialModel* materialModel);
void setSelectionModel(QItemSelectionModel* model, FilterPropertyProxy* proxy);
SampleModel* getSampleModel() { return m_sampleModel; }
IView* getViewForItem(SessionItem* item);
NodeEditor* getNodeEditor() { return m_nodeEditor; }
signals:
void selectionModeChangeRequest(int);
public slots:
void onSceneSelectionChanged();
void onSessionSelectionChanged(const QItemSelection&, const QItemSelection&);
void resetScene();
void updateScene();
void onRowsInserted(const QModelIndex& parent, int first, int last);
void onRowsAboutToBeRemoved(const QModelIndex& parent, int first, int last);
void onRowsRemoved(const QModelIndex& parent, int first, int last);
void setLayerInterfaceLine(const QLineF& line = {})
{
m_layer_interface_line = line;
invalidate();
}
void deleteSelectedItems();
void onEstablishedConnection(NodeEditorConnection*); // to process signals from NodeEditor
void removeConnection(NodeEditorConnection*);
void dragMoveEvent(QGraphicsSceneDragDropEvent* event);
void dropEvent(QGraphicsSceneDragDropEvent* event);
void onSmartAlign();
protected:
void drawForeground(QPainter* painter, const QRectF& rect);
const DesignerMimeData* checkDragEvent(QGraphicsSceneDragDropEvent* event);
void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
private:
IView* addViewForItem(SessionItem* item);
void updateViews(const QModelIndex& parentIndex = {}, IView* parentView = 0);
void deleteViews(const QModelIndex& parentIndex);
void alignViews();
void removeItemViewFromScene(SessionItem* item);
bool isMultiLayerNearby(QGraphicsSceneDragDropEvent* event);
void adjustSceneRect();
bool isAcceptedByMultiLayer(const DesignerMimeData* mimeData,
QGraphicsSceneDragDropEvent* event);
bool isLayerDragged() const;
SampleModel* m_sampleModel;
InstrumentModel* m_instrumentModel;
MaterialModel* m_materialModel;
QItemSelectionModel* m_selectionModel;
FilterPropertyProxy* m_proxy;
bool m_block_selection;
QMap<SessionItem*, IView*> m_ItemToView;
//!< Correspondance of model's item and scene's view
QLineF m_layer_interface_line;
//!< Foreground line representing appropriate interface during layer's movement
SampleViewAligner* m_aligner;
NodeEditor* m_nodeEditor;
};
#endif // BORNAGAIN_GUI_COREGUI_VIEWS_SAMPLEDESIGNER_DESIGNERSCENE_H
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