Utils.hh

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/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/

#ifndef UTILS_H
#define UTILS_H

#include <vector>
#include <iostream>
#include <set>
#include <typeinfo>

#include <QObject>
#include <QMessageBox>

#include <ObjectTypes/TriangleMesh/TriangleMesh.hh>
#include <ObjectTypes/PolyMesh/PolyMesh.hh>

#ifdef ENABLE_OPENVOLUMEMESH_HEXAHEDRAL_SUPPORT
  #include <ObjectTypes/HexahedralMesh/HexahedralMesh.hh>
#endif

#ifdef ENABLE_OPENVOLUMEMESH_POLYHEDRAL_SUPPORT
  #include <ObjectTypes/PolyhedralMesh/PolyhedralMesh.hh>
#endif

class TypeInfoWrapper {
    public:
        TypeInfoWrapper(const std::type_info & ti, const char *friendlyName) : ti(&ti), friendlyName(friendlyName) {}
        TypeInfoWrapper(const std::type_info & ti) : ti(&ti),friendlyName("") {}

        operator const std::type_info *() const { return ti; }
        operator const std::type_info &() const { return *ti; }
        operator const char *() const { return friendlyName; }

        const std::type_info *operator->() const { return ti; }
        const std::type_info &get() const { return *ti; }
        const char *getName() const { return friendlyName; }

        bool operator==(const TypeInfoWrapper & other) const {
            /*
             * We compare name strings, not the type ids themselves because
             * the same type from different SOs will give different type ids.
             */
            return strcmp(ti->name(), other.ti->name()) == 0;
        }

        bool operator<(const TypeInfoWrapper & other) const {
            return strcmp(ti->name(), other.ti->name()) < 0;
        }

    private:
        const std::type_info *ti;
        const char *friendlyName;
};

class PropertyInfo {
    public:
        enum ENTITY_FILTER {
            EF_ANY      = 0xFF,
            EF_FACE     = 0x01,
            EF_EDGE     = 0x02,
            EF_HALFEDGE = 0x04,
            EF_VERTEX   = 0x08,
            EF_HALFFACE = 0x10,
            EF_CELL     = 0x20
        };

        static const char* entity2str(ENTITY_FILTER entity);

        PropertyInfo(const std::string &propName, const TypeInfoWrapper &typeinfo, ENTITY_FILTER entity) :
            propName_(propName), typeinfo_(typeinfo), entity(entity) {}

        QString toString() const {
            return QObject::tr("%3 %1 : %2").arg(propName_.c_str()).arg(friendlyTypeName()).arg(QString::fromUtf8(entity2str(entity)));
        }

        bool operator==(const PropertyInfo &rhs) const {
            return propName_ == rhs.propName_ && typeinfo_ == rhs.typeinfo_ && entity == rhs.entity;
        }

        bool operator<(const PropertyInfo &rhs) const {
            if (entity != rhs.entity) return entity < rhs.entity;

            int result = propName_.compare(rhs.propName_);
            if (result) return result < 0;

            return typeinfo_ < rhs.typeinfo_;
        }

        inline bool isCellProp() const     { return entity == EF_CELL;     }
        inline bool isFaceProp() const     { return entity == EF_FACE;     }
        inline bool isHalffaceProp() const { return entity == EF_HALFFACE; }
        inline bool isEdgeProp() const     { return entity == EF_EDGE;     }
        inline bool isHalfedgeProp() const { return entity == EF_HALFEDGE; }
        inline bool isVertexProp() const   { return entity == EF_VERTEX;   }

        inline const std::string &propName() const     { return propName_;           }
        inline const char *friendlyTypeName() const    { return typeinfo_.getName(); }
        inline const TypeInfoWrapper &typeinfo() const { return typeinfo_;           }
        inline ENTITY_FILTER entityType() const        { return entity;              }

    private:
        std::string propName_;
        TypeInfoWrapper typeinfo_;
        ENTITY_FILTER entity;
};


class NewNameMessageBox: public QMessageBox
{
    Q_OBJECT

public:
    NewNameMessageBox(QString propName);

private slots:
    void slotReplace() { replace = true; }
    void slotRename()  { rename = true; }
    void slotCancel()  { cancel = true; }

private:
    QLabel* problemDescription;

    QPushButton* buttonRename;
    QPushButton* buttonReplace;
    QPushButton* buttonCancel;

    QString propName;

public:
    bool replace;
    bool rename;
    bool cancel;

};

static DataType supportedDataTypes()
{
    DataType res = DATA_TRIANGLE_MESH | DATA_POLY_MESH;

    #ifdef ENABLE_OPENVOLUMEMESH_POLYHEDRAL_SUPPORT
    res |= DATA_POLYHEDRAL_MESH;
    #endif

    #ifdef ENABLE_OPENVOLUMEMESH_HEXAHEDRAL_SUPPORT
    res |= DATA_HEXAHEDRAL_MESH;
    #endif

    return res;
}

#endif /* UTILS_H */