mapstorage.h
author hegyi
Wed, 25 Oct 2006 13:21:24 +0000
changeset 172 fc1e478697d3
parent 118 cfd49e5c8723
child 173 8339178ae43d
permissions -rw-r--r--
Currently visualized map can be saved and loaded from file.
     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   /// Signal emitted, when entry in \ref MapWin should be changed.
    89   sigc::signal<void, bool, int, std::string> signal_map_win;
    90 
    91 public:
    92   ///Constructor of MapStorage.
    93 
    94   ///Its all activity is initializing default values
    95   ///for different visualization attributes.
    96   MapStorage();
    97 
    98   ///Destructor of MapStorage
    99 
   100   ///Maps stored here are created with new. Destructor
   101   ///deletes them to free up the reserved memory.
   102   ~MapStorage();
   103 
   104   /// Registrates if the shown map by any attribute has changed to another.
   105 
   106   ///It handles the \ref active_edgemaps and
   107   ///\ref active_nodemaps vectors. It also emits \ref signal_prop signal to let
   108   ///know the interested objects that the visible map of a certain
   109   ///attribute has changed.
   110   ///\param itisedge edgemap or nodemap has changed
   111   ///\param prop the property of which the map is changed
   112   ///\param mapname the visible map
   113   void changeActiveMap(bool itisedge , int prop , std::string mapname);
   114 
   115   ///Emits signals that let change the active maps in \ref MapWin.
   116   void broadcastActiveMaps();
   117 
   118   /// Returns the active edgemap shown by a visualization property.
   119 
   120   /// \param prop is the property
   121   ///that shows the requested map.
   122   std::string getActiveEdgeMap(int prop);
   123 
   124   /// Returns the active nodemap shown by a visualization property.
   125 
   126   /// \param prop is the property
   127   ///that shows the requested map.
   128   std::string getActiveNodeMap(int prop);
   129 
   130   /// Returns the names of the edgemaps stored here.
   131   std::vector<std::string> getEdgeMapList();
   132 
   133   /// Returns the names of the nodemaps stored here.
   134   std::vector<std::string> getNodeMapList();
   135 
   136   ///returns \ref signal_prop to be able to connect functions to it
   137   Signal_Prop signal_prop_ch();
   138 
   139   ///returns \ref signal_node_map to be able to connect functions to it
   140   sigc::signal<void, std::string> signal_node_map_ch(){return signal_node_map;};
   141 
   142   ///returns \ref signal_edge_map to be able to connect functions to it
   143   sigc::signal<void, std::string> signal_edge_map_ch(){return signal_edge_map;};
   144 
   145   ///returns \ref signal_map_win to be able to connect functions to it
   146   sigc::signal<void, bool, int, std::string> signal_map_win_ch(){return signal_map_win;};
   147 
   148   ///Adds given map to storage.
   149 
   150   ///A name and the map itself has to be provided.
   151   ///\param mapname is the name of map
   152   ///\param nodemap is the pointer of the given nodemap
   153   ///\param def the default value of the map. If not given, it will be 0.
   154   ///If new edge is added to graph the value of it in the map will be this.
   155   ///\todo map should be given by reference!
   156   ///\todo why is default value stored?
   157   int addNodeMap(const std::string & mapname,Graph::NodeMap<double> * nodemap, double def=0.0);
   158 
   159   ///Adds given map to storage. A name and the map itself has to be provided.
   160 
   161   ///A name and the map itself has to be provided.
   162   ///\param mapname is the name of map
   163   ///\param edgemap is the pointer of the given edgemap
   164   ///\param def the default value of the map. If not given, it will be 0.
   165   ///If new edge is added to graph the value of it in the map will be this.
   166   ///\todo map should be given by reference!
   167   int addEdgeMap(const std::string & mapname,Graph::EdgeMap<double> * edgemap, double def=0.0);
   168 
   169   ///Returns how much nodemaps is stored in \ref MapStorage
   170   int numOfNodeMaps() {return nodemap_storage.size();};
   171 
   172   ///Returns how much edgemaps is stored in \ref MapStorage
   173   int numOfEdgeMaps() {return edgemap_storage.size();};
   174 
   175   ///Returns the maximum value of the given NodeMap.
   176 
   177   ///NodeMap has to be given by its name.
   178   ///\param name the name of map of which maximum is searched
   179   double maxOfNodeMap(const std::string & name);
   180 
   181   ///Returns the maximum value of the given EdgeMap.
   182 
   183   ///EdgeMap has to be given by its name.
   184   ///\param name the name of map of which maximum is searched
   185   double maxOfEdgeMap(const std::string & name);
   186 
   187   ///Returns the minimum value of the given NodeMap.
   188 
   189   ///NodeMap has to be given by its name.
   190   ///\param name the name of map of which minimum is searched
   191   double minOfNodeMap(const std::string & name);
   192 
   193   ///Returns the minimum value of the given EdgeMap.
   194 
   195   ///EdgeMap has to be given by its name.
   196   ///\param name the name of map of which minimum is searched
   197   double minOfEdgeMap(const std::string & name);
   198 
   199   ///Returns iterator pointing to the first NodeMap in storage.
   200 
   201   ///To be able to iterate through each maps this function
   202   ///returns an iterator pointing to the first nodemap in
   203   ///the storage.
   204   std::map< std::string,Graph::NodeMap<double> * >::iterator beginOfNodeMaps(){return nodemap_storage.begin();};
   205 
   206   ///Returns iterator pointing to the first EdgeMap in storage.
   207 
   208   ///To be able to iterate through each maps this function
   209   ///returns an iterator pointing to the first edgemap in
   210   ///the storage.
   211   std::map< std::string,Graph::EdgeMap<double> * >::iterator beginOfEdgeMaps(){return edgemap_storage.begin();};
   212 
   213   ///Returns iterator pointing after the last NodeMap in storage.
   214 
   215   ///To be able to iterate through each maps this function
   216   ///returns an iterator pointing to the last nodemap in the storage.
   217   std::map< std::string,Graph::NodeMap<double> * >::iterator endOfNodeMaps(){return nodemap_storage.end();};
   218 
   219   ///Returns iterator pointing after the last EdgeMap in storage.
   220 
   221   ///To be able to iterate through each maps this function
   222   ///returns an iterator pointing to the last edgemap in the storage.
   223   std::map< std::string,Graph::EdgeMap<double> * >::iterator endOfEdgeMaps(){return edgemap_storage.end();};
   224 
   225   ///Emits \ref signal_prop if mapvalues have changed, and MapStorage gets to know it.
   226 
   227   ///If values in a map have changed, this function checks, whether it is displayed.
   228   ///This check means searching the given mapname between active maps
   229   ///(\ref active_nodemaps, \ref active_edgemaps). If it is there at a certain property,
   230   ///it emits a signal with the property, where the gotten mapname was found. One signal
   231   ///is emitted for each property displaying the given map.
   232   ///\param itisedge whether the map an edgemap or nodemap
   233   ///\param mapname name of map to visualize
   234   void mapChanged(bool itisedge, std::string mapname);
   235 
   236   ///Read datas from the given filename.
   237   int readFromFile(const std::string &);
   238 
   239   ///Save datas to the given filename.
   240   void writeToFile(const std::string &);
   241 
   242   ///Deletes all datastructures stored here.
   243   void clear();
   244 
   245   void ArrowPosReadOK();
   246 };
   247 
   248 #endif //MAPSTORAGE_H