kruskalbox.cc
author hegyi
Fri, 06 Jan 2006 16:07:08 +0000
branchgui
changeset 114 0ace7edbb06f
parent 111 ab3107255754
child 116 2bd795bb9984
permissions -rw-r--r--
In algorithm window maps can be selected and reated through MapSelector widget.
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#include <kruskalbox.h>
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enum {INPUT, OUTPUT, MAP_NUM};
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KruskalBox::KruskalBox(std::vector<std::string> t):AlgoBox()
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{
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  init(t);
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}
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void KruskalBox::run()
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{
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  if(
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     tabcbt.get_active_text()!="" &&
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     (edgemapcbts[INPUT])->get_active_text()!="" &&
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     (edgemapcbts[OUTPUT])->get_active_text()!=""
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     )
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    {
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      Graph g=mapstorage->graph;
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      Graph::EdgeMap<double> * inputmap=
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	((mapstorage->edgemap_storage)[(edgemapcbts[INPUT])->get_active_text()]);
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      Graph::EdgeMap<bool> outputmap(g);
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      double res=kruskal(g, *inputmap, outputmap);
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      for (EdgeIt i(g); i!=INVALID; ++i)
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	{
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	  if(outputmap[i])
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	    {
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	      (*((mapstorage->edgemap_storage)[(edgemapcbts[OUTPUT])->
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					       get_active_text()]))[i]=1;
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	    }
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	  else
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	    {
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	      (*((mapstorage->edgemap_storage)[(edgemapcbts[OUTPUT])->
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					       get_active_text()]))[i]=0;
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	    }
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	}
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      std::ostringstream o;
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      o << "Result: " << res;
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      resultlabel.set_text(o.str());
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      mapstorage->mapChanged(true, (edgemapcbts[OUTPUT])->get_active_text());
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      //   mapstorage->changeActiveMap(true, E_COLOR,
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      // 			      (edgemapcbts[OUTPUT])->get_active_text());
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      //   mapstorage->changeActiveMap(true, E_TEXT,
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      // 			      (edgemapcbts[INPUT])->get_active_text());
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    }
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}
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void KruskalBox::build_box()
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{
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  std::vector<std::string> empty_vector;
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  edgemapcbts.resize(MAP_NUM);
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  edgemapcbts[0]=new MapSelector(empty_vector,"","Edgecosts: ",true, false);
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  edgemapcbts[0]->signal_newmapwin_needed().connect(sigc::mem_fun(*this, &AlgoBox::emit_new_map_signal));
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  pack_start(*(edgemapcbts[INPUT]));
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  edgemapcbts[1]=new MapSelector(empty_vector,"","Edges of tree here: ",true, false);
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  edgemapcbts[1]->signal_newmapwin_needed().connect(sigc::mem_fun(*this, &AlgoBox::emit_new_map_signal));
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  pack_start(*(edgemapcbts[OUTPUT]));
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  resultlabel.set_text("Result: algorithm is not run yet.");
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  pack_start(resultlabel);
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}