Types.cc

/*===========================================================================*\
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 *   $Revision$                                                         *
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//=============================================================================
//
//  Types
//
//=============================================================================

/**
 * \file Types.cc
 * This File contains the basic functions to handle datatypes
 */


//== INCLUDES =================================================================

#include "Types.hh"
#include <map>
#include <QCoreApplication>


/** This field defines the start id for custom datatypes. It starts high to avoid conflicts with previously
 * hardcoded versions.
 */
static int nextTypeId_ = 128;

/// Variable used to automatically initialize the maps
static bool initialized_ = false;

/** This map maps an dataType id to an typeName
 */
static std::map< unsigned int, QString > typeToString;

/** This map maps an dataType name to its id in the types vector
 */
static std::map< QString , unsigned int > stringToTypeInfo;

/** This map maps an dataType id to its id in the types vector
 */
static std::map< unsigned int , unsigned int > typeToTypeInfo;

class TypeInfo {

  public:

  TypeInfo(DataType _type, QString _name, QString _iconName, QString _readableName ) :
    type(_type),
    name(_name),
    iconName(_iconName),
    readableName(_readableName)
  {
    // Use internal name if no external name is given
    if ( _readableName == "" )
      readableName = _name;
  }

  /// The id of the datatype
  DataType type;

  /// The name of the datatype
  QString  name;

  /// The icon of the datatype
  QString  iconName;
  
  /// Human readable name
  QString readableName;  
};

static std::vector< TypeInfo > types;

//== Functions =========================================================

void initialize() {
  if ( !initialized_ ) {
    stringToTypeInfo["Unknown"] = types.size();
    typeToTypeInfo[DATA_NONE]   = types.size();
    types.push_back( TypeInfo(DATA_NONE            ,"Unknown"        ,"Unknown.png", QCoreApplication::translate("Types","Unknown")) );

    stringToTypeInfo["Group"]  = types.size();
    typeToTypeInfo[DATA_GROUP] = types.size();
    types.push_back( TypeInfo(DATA_GROUP           ,"Group"          ,"Unknown.png", QCoreApplication::translate("Types","Group")) );

    stringToTypeInfo["TriangleMesh"]   = types.size();
    typeToTypeInfo[DATA_TRIANGLE_MESH_CONST_ID] = types.size();
    types.push_back( TypeInfo(DATA_TRIANGLE_MESH_CONST_ID   ,"TriangleMesh"   ,"TriangleType.png", QCoreApplication::translate("Types","Triangle Mesh")) );

    stringToTypeInfo["PolyMesh"]   = types.size();
    typeToTypeInfo[DATA_POLY_MESH_CONST_ID] = types.size();
    types.push_back( TypeInfo(DATA_POLY_MESH_CONST_ID       ,"PolyMesh"       ,"PolyType.png", QCoreApplication::translate("Types","Poly Mesh")) );

    stringToTypeInfo["BSplineCurve"]   = types.size();
    typeToTypeInfo[DATA_BSPLINE_CURVE] = types.size();
    types.push_back( TypeInfo(DATA_BSPLINE_CURVE   ,"BSplineCurve"   ,"BSplineCurveType.png" , QCoreApplication::translate("Types","B-Spline Curve")) );

    stringToTypeInfo["BSplineSurface"]   = types.size();
    typeToTypeInfo[DATA_BSPLINE_SURFACE] = types.size();
    types.push_back( TypeInfo(DATA_BSPLINE_SURFACE ,"BSplineSurface" ,"Unknown.png", QCoreApplication::translate("Types","B_Spline Surface")) );

    stringToTypeInfo["Skeleton"]  = types.size();
    typeToTypeInfo[DATA_SKELETON] = types.size();
    types.push_back( TypeInfo(DATA_SKELETON        ,"Skeleton"       ,"Unknown.png", QCoreApplication::translate("Types","Skeleton")) );

    stringToTypeInfo["GIS"]  = types.size();
    typeToTypeInfo[DATA_GIS] = types.size();
    types.push_back( TypeInfo(DATA_GIS             ,"GIS"            ,"Unknown.png", QCoreApplication::translate("Types","GIS Data")) );

    stringToTypeInfo["All"]  = types.size();
    typeToTypeInfo[DATA_ALL] = types.size();
    types.push_back( TypeInfo(DATA_ALL             ,"All"            ,"Unknown.png", QCoreApplication::translate("Types","All")) );

    typeToString[DATA_NONE] = "Unknown";
    typeToString[DATA_GROUP] = "Group";
    typeToString[DATA_TRIANGLE_MESH_CONST_ID] = "TriangleMesh";
    typeToString[DATA_POLY_MESH_CONST_ID] = "PolyMesh";
    typeToString[DATA_BSPLINE_CURVE] = "BSplineCurve";
    typeToString[DATA_BSPLINE_SURFACE] = "BSplineSurface";
    typeToString[DATA_SKELETON] = "Skeleton";
    typeToString[DATA_GIS] = "GIS";
    typeToString[DATA_ALL] = "All";

    initialized_ = true;
  }
}

/// Adds a datatype and returns the id for the new type
DataType addDataType(QString _name, QString _readableName) {
  initialize();

  int type = nextTypeId_;

  stringToTypeInfo[ _name ] = types.size();
  typeToTypeInfo[ type ] = types.size();
  types.push_back( TypeInfo(type, _name, "Unknown.png", _readableName ));

  typeToString[type] = _name;

  nextTypeId_ *= 2;
  return( type );
}

/// Get the id of a type with given name
DataType typeId(QString _name) {
  initialize();

  std::map<QString, unsigned int>::iterator index = stringToTypeInfo.find( _name );

  if ( index != stringToTypeInfo.end() )
    return types[ index->second ].type;
  else {
    std::cerr << "Unknown Data type with name " << _name.toStdString() << std::endl;
    return -1;
  }
}

/// Get the name of a type with given id
QString typeName(DataType _id) {
  initialize();

  std::map<unsigned int, QString>::iterator name = typeToString.find(_id);

  if ( name != typeToString.end() )
    return name->second;
  else {
    std::cerr << "Unable to retrieve typeName for id " << _id << std::endl;
    return "Unknown";
  }
}

/// Get the icon of a given dataType
QString typeIcon(QString  _name) {
  initialize();

  std::map<QString, unsigned int>::iterator index = stringToTypeInfo.find( _name );

  if ( index != stringToTypeInfo.end() )
    return types[ index->second ].iconName;
  else
    return "Unknown.png";
}

/// get the icon of a given dataType
QString typeIcon(DataType _id) {
  initialize();

  std::map<unsigned int, unsigned int>::iterator index = typeToTypeInfo.find(_id);

  if ( index != typeToTypeInfo.end() )
    return types[ index->second ].iconName;
  else
    return "Unknown.png";
}

/// Set the icon for a given dataType
void setTypeIcon( DataType _id   , QString _icon ) {
  initialize();

  std::map<unsigned int, unsigned int>::iterator index = typeToTypeInfo.find(_id);

  if ( index != typeToTypeInfo.end() )
    types[ index->second ].iconName = _icon;
  else
    std::cerr << "Could not set icon for DataType. Type not found!" << std::endl;
}

/// Set the icon for a given dataType
void setTypeIcon( QString  _name , QString _icon ) {
  initialize();

  std::map<QString, unsigned int>::iterator index = stringToTypeInfo.find( _name );

  if ( index != stringToTypeInfo.end() )
    types[ index->second ].iconName = _icon;
  else
    std::cerr << "Could not set icon for DataType. Type not found!" << std::endl;
}




/// Get DataType Human readable name ( this name might change. Use the typeName insted! )
QString dataTypeName( DataType _id ) {
  initialize();

  std::map<unsigned int, unsigned int>::iterator index = typeToTypeInfo.find(_id);

  if ( index != typeToTypeInfo.end() )
    return types[ index->second ].readableName ;
  else
    std::cerr << "Could not get human name for DataType. Type not found!" << std::endl;  
  
  return QString(QCoreApplication::translate("Types","Unknown Type"));
}

/// Get DataType Human readable name ( this name might change. Use the typeName insted! )
QString dataTypeName( QString  _typeName ) {
 initialize();

  std::map<QString, unsigned int>::iterator index = stringToTypeInfo.find( _typeName );

  if ( index != stringToTypeInfo.end() )
    return types[ index->second ].readableName ;
  else
    std::cerr << "Could not get human name for DataType. Type not found!" << std::endl;  
  
  return QString(QCoreApplication::translate("Types","Unknown Type"));
}



/// Set the icon for a given dataType
void setDataTypeName( DataType _id   , QString _name ) {
  initialize();

  std::map<unsigned int, unsigned int>::iterator index = typeToTypeInfo.find(_id);

  if ( index != typeToTypeInfo.end() )
    types[ index->second ].readableName = _name;
  else
    std::cerr << "Could not set human name for DataType. Type not found!" << std::endl;  
  
}

/// Set the icon for a given dataType
void setDataTypeName( QString  _typeName , QString _name ) {
  initialize();

  std::map<QString, unsigned int>::iterator index = stringToTypeInfo.find( _typeName );

  if ( index != stringToTypeInfo.end() )
    types[ index->second ].readableName = _name;
  else
    std::cerr << "Could not set human name for DataType. Type not found!" << std::endl;  
  
  
}

//=============================================================================
//=============================================================================