cxViewManager.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 
   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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=========================================================================*/

#ifndef CXVIEWMANAGER_H_
#define CXVIEWMANAGER_H_

#include "org_custusx_core_view_Export.h"

#include <map>
#include <vector>
#include <QObject>

#include "cxData.h"
#include "cxDefinitions.h"
#include "cxForwardDeclarations.h"
//#include "cxLayoutData.h"
#include "cxViewService.h"

class QActionGroup;
class QAction;
class QGridLayout;
class QWidget;
class QTime;

namespace cx
{
class LayoutData;
struct LayoutViewData;
struct LayoutRegion;
class ViewCollectionWidget;
class ViewWrapper;
typedef boost::shared_ptr<class SyncedValue> SyncedValuePtr;
typedef boost::shared_ptr<class InteractiveCropper> InteractiveCropperPtr;
typedef boost::shared_ptr<class CyclicActionLogger> CyclicActionLoggerPtr;
typedef boost::shared_ptr<class CameraStyleInteractor> CameraStyleInteractorPtr;
typedef boost::shared_ptr<class RenderLoop> RenderLoopPtr;
typedef boost::shared_ptr<class LayoutRepository> LayoutRepositoryPtr;
typedef boost::shared_ptr<class VisServices> VisServicesPtr;
typedef boost::shared_ptr<class Navigation> NavigationPtr;
typedef boost::shared_ptr<class CameraControl> CameraControlPtr;

typedef boost::shared_ptr<class ViewManager> ViewManagerPtr;

class org_custusx_core_view_EXPORT ViewManager: public QObject
{
Q_OBJECT
public:
        static ViewManagerPtr create(VisServicesPtr backend);
        virtual ~ViewManager();

        ViewPtr get3DView(int group = 0, int index = 0);

        virtual ViewGroupDataPtr getViewGroup(int groupIdx) const;
        unsigned viewGroupCount() const
        {
                int count = 0;
                while(this->getViewGroup(count))
                        ++count;
                return count;
        }
        virtual int getActiveViewGroup() const;

        LayoutRepositoryPtr getLayoutRepository();

        QActionGroup* getInteractorStyleActionGroup();
        NavigationPtr getNavigation(int group = 0);

//      void initialize();
        QWidget* createLayoutWidget(QWidget* parent, int index);
    QWidget* getLayoutWidget(int index);

        void enableRender(bool val);
        bool renderingIsEnabled() const;

        QString getActiveLayout(int widgetIndex=0) const; 
        void setActiveLayout(const QString& uid, int widgetIndex=0); 

        InteractiveCropperPtr getCropper();

        CyclicActionLoggerPtr getRenderTimer();

        void deactivateCurrentLayout();
        void autoShowData(DataPtr data);
        CameraControlPtr getCameraControl() { return mCameraControl; }
        void clear();
        //Interface for saving/loading
        void addXml(QDomNode& parentNode);
        void parseXml(QDomNode viewmanagerNode);

        void centerToImageCenterInViewGroup(unsigned groupNr);
        void setCameraStyle(CAMERA_STYLE_TYPE style, int groupIdx);
        void addDefaultLayout(LayoutData layoutData);

        void enableContextMenuForViews(bool enable=true);
signals:
        void fps(int number); 
        void activeLayoutChanged(); 
        void activeViewChanged(); 
        void renderingEnabledChanged(); 
        void pointSampled(Vector3D p_r);
        void renderFinished();


protected slots:
        void settingsChangedSlot(QString key);
        void onLayoutRepositoryChanged(QString uid);

        void updateViews();
        void updateCameraStyleActions();
        void setActiveView(QString viewUid);
        void layoutWidgetDestroyed(QObject *object);

protected:
        ViewManager(VisServicesPtr backend);
        std::vector<ViewGroupPtr> getViewGroups() { return mViewGroups; }

        void activateView(ViewCollectionWidget* widget, LayoutViewData viewData);
        ViewWrapperPtr createViewWrapper(ViewPtr view, LayoutViewData viewData);
        int findGroupContaining3DViewGivenGuess(int preferredGroup);
        QString getActiveView() const; 

        void setRenderingInterval(int interval);
        void setSlicePlanesProxyInViewsUpTo2DViewgroup();

        void loadGlobalSettings();
        void saveGlobalSettings();
        void activateViews(ViewCollectionWidget *widget, LayoutData next);
        void rebuildLayouts();
        void initializeGlobal2DZoom();
        void initializeActiveView();

        LayoutRepositoryPtr mLayoutRepository;
        std::vector<QPointer<ViewCollectionWidget> > mLayoutWidgets;
        QStringList mActiveLayout; 
        SyncedValuePtr mActiveView;
        RenderLoopPtr mRenderLoop;
        std::vector<ViewGroupPtr> mViewGroups;
        CameraControlPtr mCameraControl;

        bool mGlobalObliqueOrientation; 
        SyncedValuePtr mGlobal2DZoomVal;

        InteractiveCropperPtr mInteractiveCropper;
        SlicePlanesProxyPtr mSlicePlanesProxy;

        CameraStyleInteractorPtr mCameraStyleInteractor;
        VisServicesPtr mBackend;

private:
        ViewManager(ViewManager const&);
        ViewManager& operator=(ViewManager const&);
protected:
        void autoShowInViewGroups(DataPtr data);
        void autoResetCameraToSuperiorView();
        void autoCenterToImageCenter();
        QList<unsigned> getViewGroupsToAutoShowIn();
};

} //namespace

#endif /* CXVIEWMANAGER_H_ */