mapstorage.h
author hegyi
Mon, 02 Oct 2006 19:00:23 +0000
changeset 158 aa50a64b3a6e
parent 111 ab3107255754
child 172 fc1e478697d3
permissions -rw-r--r--
Two redundant lines were removed.
     1 // -*- C++ -*- //
     2 
     3 #ifndef MAPSTORAGE_H
     4 #define MAPSTORAGE_H
     5 
     6 class Mapstorage;
     7 
     8 #include "all_include.h"
     9 #include "xymap.h"
    10 #include <libgnomecanvasmm.h>
    11 
    12 ///class MapStorage handles NodeMaps and EdgeMaps.
    13 
    14 ///Class MapStorage is responsible for storing
    15 ///NodeMaps and EdgeMaps that can be shown later
    16 ///on GUI. Therefore maps can be added to it,
    17 ///and datas over the added maps can be queried.
    18 ///The maps will be stored in an std::map,
    19 ///referenced with their names. Unfortunately at
    20 ///the moment it works only with double type maps
    21 ///
    22 ///\todo too many things are public!!
    23 class MapStorage
    24 {
    25 public:
    26 
    27   ///The graph for which the datas are stored.
    28   Graph graph;
    29   /// the coordinates of the nodes
    30   XYMap<Graph::NodeMap<double> > coords;
    31   /// the coordinates of the arrows on the edges
    32   XYMap<Graph::EdgeMap<double> > arrow_pos;
    33 
    34   ///The content of the object has changed, update is needed.
    35   bool modified;
    36 
    37   ///Name of file loaded in object.
    38   std::string file_name;
    39 
    40   ///Stores double type NodeMaps
    41   std::map< std::string,Graph::NodeMap<double> * > nodemap_storage;
    42 
    43   ///Stores double type EdgeMaps
    44   std::map< std::string,Graph::EdgeMap<double> * > edgemap_storage;
    45 
    46   ///Stores the default values for the different visualization node attributes
    47   std::vector<Graph::NodeMap<double> > default_nodemaps;
    48 
    49   ///Stores the default values for the different visualization edge attributes
    50   std::vector<Graph::EdgeMap<double> > default_edgemaps;
    51 
    52   ///Stores the active maps for the different visualization node attributes
    53   std::vector< std::string > active_nodemaps;
    54 
    55   /// Stores the active maps for the different visualization edge attributes
    56   std::vector< std::string > active_edgemaps;
    57 
    58   /// Default values for the maps
    59   std::map< std::string, double > nodemap_default;
    60 
    61   /// Default values for the maps
    62   std::map< std::string, double > edgemap_default;
    63 
    64   bool arrow_pos_read_ok;
    65 
    66 protected:
    67   /// type of the signal emitted if the visualization of the maps might have to be updated.
    68 
    69   /// bool shows us whether the changed map is edge or nodemap.
    70   /// int tells us the refreshed property
    71   typedef sigc::signal<void, bool, int> Signal_Prop;
    72 
    73   /// Signal emitted on any change made on map values
    74   Signal_Prop signal_prop;
    75 
    76   /// Signal emitted in the case of nodemap addition
    77 
    78   /// std::string is the
    79   ///name of the new map
    80   sigc::signal<void, std::string> signal_node_map;
    81 
    82   /// Signal emitted in the case of edgemap addition
    83 
    84   /// std::string is the
    85   ///name of the new map
    86   sigc::signal<void, std::string> signal_edge_map;
    87 
    88 public:
    89   ///Constructor of MapStorage.
    90 
    91   ///Its all activity is initializing default values
    92   ///for different visualization attributes.
    93   MapStorage();
    94 
    95   ///Destructor of MapStorage
    96 
    97   ///Maps stored here are created with new. Destructor
    98   ///deletes them to free up the reserved memory.
    99   ~MapStorage();
   100 
   101   /// Registrates if the shown map by any attribute has changed to another.
   102 
   103   ///It handles the \ref active_edgemaps and
   104   ///\ref active_nodemaps vectors. It also emits \ref signal_prop signal to let
   105   ///know the interested objects that the visible map of a certain
   106   ///attribute has changed.
   107   ///\param itisedge edgemap or nodemap has changed
   108   ///\param prop the property of which the map is changed
   109   ///\param mapname the visible map
   110   void changeActiveMap(bool itisedge , int prop , std::string mapname);
   111 
   112   /// Returns the active edgemap shown by a visualization property.
   113 
   114   /// \param prop is the property
   115   ///that shows the requested map.
   116   std::string getActiveEdgeMap(int prop);
   117 
   118   /// Returns the active nodemap shown by a visualization property.
   119 
   120   /// \param prop is the property
   121   ///that shows the requested map.
   122   std::string getActiveNodeMap(int prop);
   123 
   124   /// Returns the names of the edgemaps stored here.
   125   std::vector<std::string> getEdgeMapList();
   126 
   127   /// Returns the names of the nodemaps stored here.
   128   std::vector<std::string> getNodeMapList();
   129 
   130   ///returns \ref signal_prop to be able to connect functions to it
   131   Signal_Prop signal_prop_ch();
   132 
   133   ///returns \ref signal_node_map to be able to connect functions to it
   134   sigc::signal<void, std::string> signal_node_map_ch(){return signal_node_map;};
   135 
   136   ///returns \ref signal_edge_map to be able to connect functions to it
   137   sigc::signal<void, std::string> signal_edge_map_ch(){return signal_edge_map;};
   138 
   139   ///Adds given map to storage.
   140 
   141   ///A name and the map itself has to be provided.
   142   ///\param mapname is the name of map
   143   ///\param nodemap is the pointer of the given nodemap
   144   ///\param def the default value of the map. If not given, it will be 0.
   145   ///If new edge is added to graph the value of it in the map will be this.
   146   ///\todo map should be given by reference!
   147   ///\todo why is default value stored?
   148   int addNodeMap(const std::string & mapname,Graph::NodeMap<double> * nodemap, double def=0.0);
   149 
   150   ///Adds given map to storage. A name and the map itself has to be provided.
   151 
   152   ///A name and the map itself has to be provided.
   153   ///\param mapname is the name of map
   154   ///\param edgemap is the pointer of the given edgemap
   155   ///\param def the default value of the map. If not given, it will be 0.
   156   ///If new edge is added to graph the value of it in the map will be this.
   157   ///\todo map should be given by reference!
   158   int addEdgeMap(const std::string & mapname,Graph::EdgeMap<double> * edgemap, double def=0.0);
   159 
   160   ///Returns how much nodemaps is stored in \ref MapStorage
   161   int numOfNodeMaps() {return nodemap_storage.size();};
   162 
   163   ///Returns how much edgemaps is stored in \ref MapStorage
   164   int numOfEdgeMaps() {return edgemap_storage.size();};
   165 
   166   ///Returns the maximum value of the given NodeMap.
   167 
   168   ///NodeMap has to be given by its name.
   169   ///\param name the name of map of which maximum is searched
   170   double maxOfNodeMap(const std::string & name);
   171 
   172   ///Returns the maximum value of the given EdgeMap.
   173 
   174   ///EdgeMap has to be given by its name.
   175   ///\param name the name of map of which maximum is searched
   176   double maxOfEdgeMap(const std::string & name);
   177 
   178   ///Returns the minimum value of the given NodeMap.
   179 
   180   ///NodeMap has to be given by its name.
   181   ///\param name the name of map of which minimum is searched
   182   double minOfNodeMap(const std::string & name);
   183 
   184   ///Returns the minimum value of the given EdgeMap.
   185 
   186   ///EdgeMap has to be given by its name.
   187   ///\param name the name of map of which minimum is searched
   188   double minOfEdgeMap(const std::string & name);
   189 
   190   ///Returns iterator pointing to the first NodeMap in storage.
   191 
   192   ///To be able to iterate through each maps this function
   193   ///returns an iterator pointing to the first nodemap in
   194   ///the storage.
   195   std::map< std::string,Graph::NodeMap<double> * >::iterator beginOfNodeMaps(){return nodemap_storage.begin();};
   196 
   197   ///Returns iterator pointing to the first EdgeMap in storage.
   198 
   199   ///To be able to iterate through each maps this function
   200   ///returns an iterator pointing to the first edgemap in
   201   ///the storage.
   202   std::map< std::string,Graph::EdgeMap<double> * >::iterator beginOfEdgeMaps(){return edgemap_storage.begin();};
   203 
   204   ///Returns iterator pointing after the last NodeMap in storage.
   205 
   206   ///To be able to iterate through each maps this function
   207   ///returns an iterator pointing to the last nodemap in the storage.
   208   std::map< std::string,Graph::NodeMap<double> * >::iterator endOfNodeMaps(){return nodemap_storage.end();};
   209 
   210   ///Returns iterator pointing after the last EdgeMap in storage.
   211 
   212   ///To be able to iterate through each maps this function
   213   ///returns an iterator pointing to the last edgemap in the storage.
   214   std::map< std::string,Graph::EdgeMap<double> * >::iterator endOfEdgeMaps(){return edgemap_storage.end();};
   215 
   216   ///Emits \ref signal_prop if mapvalues have changed, and MapStorage gets to know it.
   217 
   218   ///If values in a map have changed, this function checks, whether it is displayed.
   219   ///This check means searching the given mapname between active maps
   220   ///(\ref active_nodemaps, \ref active_edgemaps). If it is there at a certain property,
   221   ///it emits a signal with the property, where the gotten mapname was found. One signal
   222   ///is emitted for each property displaying the given map.
   223   ///\param itisedge whether the map an edgemap or nodemap
   224   ///\param mapname name of map to visualize
   225   void mapChanged(bool itisedge, std::string mapname);
   226 
   227   ///Read datas from the given filename.
   228   int readFromFile(const std::string &);
   229 
   230   ///Save datas to the given filename.
   231   void writeToFile(const std::string &);
   232 
   233   ///Deletes all datastructures stored here.
   234   void clear();
   235 
   236   void ArrowPosReadOK();
   237 };
   238 
   239 #endif //MAPSTORAGE_H