Currently visualized map can be saved and loaded from file.
8 #include "all_include.h"
10 #include <libgnomecanvasmm.h>
12 ///class MapStorage handles NodeMaps and EdgeMaps.
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
22 ///\todo too many things are public!!
27 ///The graph for which the datas are stored.
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;
34 ///The content of the object has changed, update is needed.
37 ///Name of file loaded in object.
38 std::string file_name;
40 ///Stores double type NodeMaps
41 std::map< std::string,Graph::NodeMap<double> * > nodemap_storage;
43 ///Stores double type EdgeMaps
44 std::map< std::string,Graph::EdgeMap<double> * > edgemap_storage;
46 ///Stores the default values for the different visualization node attributes
47 std::vector<Graph::NodeMap<double> > default_nodemaps;
49 ///Stores the default values for the different visualization edge attributes
50 std::vector<Graph::EdgeMap<double> > default_edgemaps;
52 ///Stores the active maps for the different visualization node attributes
53 std::vector< std::string > active_nodemaps;
55 /// Stores the active maps for the different visualization edge attributes
56 std::vector< std::string > active_edgemaps;
58 /// Default values for the maps
59 std::map< std::string, double > nodemap_default;
61 /// Default values for the maps
62 std::map< std::string, double > edgemap_default;
64 bool arrow_pos_read_ok;
67 /// type of the signal emitted if the visualization of the maps might have to be updated.
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;
73 /// Signal emitted on any change made on map values
74 Signal_Prop signal_prop;
76 /// Signal emitted in the case of nodemap addition
78 /// std::string is the
79 ///name of the new map
80 sigc::signal<void, std::string> signal_node_map;
82 /// Signal emitted in the case of edgemap addition
84 /// std::string is the
85 ///name of the new map
86 sigc::signal<void, std::string> signal_edge_map;
88 /// Signal emitted, when entry in \ref MapWin should be changed.
89 sigc::signal<void, bool, int, std::string> signal_map_win;
92 ///Constructor of MapStorage.
94 ///Its all activity is initializing default values
95 ///for different visualization attributes.
98 ///Destructor of MapStorage
100 ///Maps stored here are created with new. Destructor
101 ///deletes them to free up the reserved memory.
104 /// Registrates if the shown map by any attribute has changed to another.
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);
115 ///Emits signals that let change the active maps in \ref MapWin.
116 void broadcastActiveMaps();
118 /// Returns the active edgemap shown by a visualization property.
120 /// \param prop is the property
121 ///that shows the requested map.
122 std::string getActiveEdgeMap(int prop);
124 /// Returns the active nodemap shown by a visualization property.
126 /// \param prop is the property
127 ///that shows the requested map.
128 std::string getActiveNodeMap(int prop);
130 /// Returns the names of the edgemaps stored here.
131 std::vector<std::string> getEdgeMapList();
133 /// Returns the names of the nodemaps stored here.
134 std::vector<std::string> getNodeMapList();
136 ///returns \ref signal_prop to be able to connect functions to it
137 Signal_Prop signal_prop_ch();
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;};
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;};
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;};
148 ///Adds given map to storage.
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);
159 ///Adds given map to storage. A name and the map itself has to be provided.
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);
169 ///Returns how much nodemaps is stored in \ref MapStorage
170 int numOfNodeMaps() {return nodemap_storage.size();};
172 ///Returns how much edgemaps is stored in \ref MapStorage
173 int numOfEdgeMaps() {return edgemap_storage.size();};
175 ///Returns the maximum value of the given NodeMap.
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);
181 ///Returns the maximum value of the given EdgeMap.
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);
187 ///Returns the minimum value of the given NodeMap.
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);
193 ///Returns the minimum value of the given EdgeMap.
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);
199 ///Returns iterator pointing to the first NodeMap in storage.
201 ///To be able to iterate through each maps this function
202 ///returns an iterator pointing to the first nodemap in
204 std::map< std::string,Graph::NodeMap<double> * >::iterator beginOfNodeMaps(){return nodemap_storage.begin();};
206 ///Returns iterator pointing to the first EdgeMap in storage.
208 ///To be able to iterate through each maps this function
209 ///returns an iterator pointing to the first edgemap in
211 std::map< std::string,Graph::EdgeMap<double> * >::iterator beginOfEdgeMaps(){return edgemap_storage.begin();};
213 ///Returns iterator pointing after the last NodeMap in storage.
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();};
219 ///Returns iterator pointing after the last EdgeMap in storage.
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();};
225 ///Emits \ref signal_prop if mapvalues have changed, and MapStorage gets to know it.
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);
236 ///Read datas from the given filename.
237 int readFromFile(const std::string &);
239 ///Save datas to the given filename.
240 void writeToFile(const std::string &);
242 ///Deletes all datastructures stored here.
245 void ArrowPosReadOK();
248 #endif //MAPSTORAGE_H