cxTreeRepository.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.

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   this list of conditions and the following disclaimer.

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   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software
   without specific prior written permission.

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#ifndef CXTREEREPOSITORY_H
#define CXTREEREPOSITORY_H

#include <vector>
#include <boost/weak_ptr.hpp>
#include <boost/shared_ptr.hpp>
#include <QString>
#include <QObject>
#include <QWidget>
#include "cxForwardDeclarations.h"
#include "cxCoordinateSystemHelpers.h"
#include "cxXmlOptionItem.h"

namespace cx
{

class TreeNode;
class TreeRepository;
typedef boost::shared_ptr<TreeNode> TreeNodePtr;
typedef boost::shared_ptr<TreeRepository> TreeRepositoryPtr;
typedef boost::shared_ptr<class StringListProperty> StringListPropertyPtr;
typedef boost::weak_ptr<class TreeRepository> TreeRepositoryWeakPtr;
typedef boost::shared_ptr<class WidgetTypeRepository> WidgetTypeRepositoryPtr;

class WidgetTypeRepository
{
public:
        template<class WIDGET>
        WIDGET* find()
        {
                for (unsigned i=0; i<mWidgets.size(); ++i)
                {
                        WIDGET* w = dynamic_cast<WIDGET*>(mWidgets[i].data());
                        if (w)
                                return w;
                }
                return NULL;
        }
        void add(QWidget* widget);

private:
        typedef QPointer<QWidget> QWidgetPtr;
        std::vector<QWidgetPtr> mWidgets;
};

class TreeRepository : public QObject
{
        Q_OBJECT
public:
        static TreeRepositoryPtr create(XmlOptionFile options, VisServicesPtr services);
        ~TreeRepository();

        std::vector<TreeNodePtr> getNodes();
        TreeNodePtr getNode(QString uid);

        // utility methods for accessing the nodes:
        TreeNodePtr getTopNode();
        TreeNodePtr getNodeForGroup(QString groupname);
        VisServicesPtr getServices();

        WidgetTypeRepositoryPtr getWidgetTypeRepository();

        QString getMode() const;
        StringPropertyPtr getModeProperty() { return mModeProperty; }
        QStringList getVisibleNodeTypes() const;
        StringListPropertyPtr getVisibilityProperty() { return mVisibilityProperty; }
        QStringList getAllNodeTypes() const;

public slots:
        void update();
        void invalidate();

signals:
        void changed();
        void invalidated();
        void loaded();

private:
        void createVisibilityProperty();
        void createModeProperty();
//      void onChanged();

        std::vector<TreeNodePtr> mNodes;
        TreeRepositoryWeakPtr mSelf;
        bool mInvalid;
        VisServicesPtr mServices;

        StringPropertyPtr mModeProperty;
        StringListPropertyPtr mVisibilityProperty;

        XmlOptionFile mOptions;
        WidgetTypeRepositoryPtr mWidgetTypeRepository;

        explicit TreeRepository(XmlOptionFile options, VisServicesPtr services);
        void rebuild();
        void insertTopNode();
        void insertDataNode(DataPtr data);
        void insertSpaceNode(CoordinateSystem space);
        void insertToolNode(ToolPtr tool);
        void insertGroupNode(QString groupname);
        void appendNode(TreeNode* rawNode);
        void startListen();
        void stopListen();
};

} // namespace cx

#endif // CXTREEREPOSITORY_H