gui/new_map_win.cc
author deba
Mon, 28 Nov 2005 11:14:01 +0000
changeset 1833 6d107b0b6b46
parent 1819 fd82adfbe905
child 1837 8dd6160ff699
permissions -rw-r--r--
Radix sort algorithm
     1 #include <new_map_win.h>
     2 
     3 bool NewMapWin::closeIfEscapeIsPressed(GdkEventKey* e)
     4 {
     5   if(e->keyval==GDK_Escape)
     6   {
     7     hide();
     8   }
     9   return true;
    10 }
    11 
    12 NewMapWin::NewMapWin(const std::string& title, GraphDisplayerCanvas & grdispc, bool itisedge, bool edgenode):Gtk::Dialog(title, true, true),gdc(grdispc),node("Create NodeMap"),edge("Create EdgeMap")
    13 {
    14   set_default_size(200, 50);
    15 
    16   signal_key_press_event().connect(sigc::mem_fun(*this, &NewMapWin::closeIfEscapeIsPressed));
    17 
    18   Gtk::VBox * vbox=get_vbox();
    19 
    20   //entries
    21   table=new Gtk::Table(3, 2, false);
    22 
    23   label=new Gtk::Label;
    24   label->set_text("Name of new map:");
    25   name.set_text("");
    26 
    27   (*table).attach(*label,0,1,0,1,Gtk::SHRINK,Gtk::SHRINK,10,3);
    28   (*table).attach(name,1,2,0,1,Gtk::SHRINK,Gtk::SHRINK,10,3);
    29 
    30   label=new Gtk::Label;
    31   label->set_text("Default value in the map:");
    32   default_value.set_text("0");
    33 
    34   (*table).attach(*label,0,1,1,2,Gtk::SHRINK,Gtk::SHRINK,10,3);
    35   (*table).attach(default_value,1,2,1,2,Gtk::SHRINK,Gtk::SHRINK,10,3);
    36 
    37   //node vs. edge map selector
    38   Gtk::RadioButton::Group group = node.get_group();
    39   edge.set_group(group);
    40   
    41   if(edgenode)
    42     {
    43       (*table).attach(node,0,1,2,3,Gtk::SHRINK,Gtk::SHRINK,10,3);
    44       (*table).attach(edge,1,2,2,3,Gtk::SHRINK,Gtk::SHRINK,10,3);
    45     }
    46   else
    47     {
    48       if(itisedge)
    49 	{
    50 	  edge.set_active();
    51 	}
    52       else
    53 	{
    54 	  node.set_active();
    55 	}
    56     }
    57 
    58   vbox->pack_start(*table);
    59 
    60   //OK button
    61   add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
    62 
    63   show_all_children();
    64 
    65 }
    66 
    67 void NewMapWin::on_response(int response_id)
    68 {
    69   if(response_id==Gtk::RESPONSE_OK)
    70     {
    71       double def_val=0;
    72 
    73       //get and formulate text
    74       std::string def_val_str=default_value.get_text();
    75       std::string polishform=string2Polishform(def_val_str,edge.get_active());
    76 
    77       //get name of text
    78       std::string mapname=name.get_text();
    79 
    80       if(!mapname.empty()&&!polishform.empty())
    81 	{
    82 	  int abortion=0;
    83 	  if(edge.get_active())
    84 	    {
    85 	      //create the new map
    86 	      Graph::EdgeMap<double> * emptr=new Graph::EdgeMap<double> (gdc.mapstorage.graph);
    87 
    88 	      std::stack<double> polishstack;
    89   
    90 	      for(EdgeIt k(gdc.mapstorage.graph); k!=INVALID; ++k)
    91 		{
    92 		  for(int i=0;i<(int)polishform.size();i++)
    93 		    {
    94 		      double op1, op2;
    95 		      bool operation=true;
    96 		      switch(polishform[i])
    97 			{
    98 			case '+':
    99 			case '-':
   100 			case '/':
   101 			case '*':
   102 			  op1=polishstack.top();
   103 			  polishstack.pop();
   104 			  op2=polishstack.top();
   105 			  polishstack.pop();
   106 			  break;
   107 			default:
   108 			  //substitute variable
   109 			  std::map< std::string,Graph::EdgeMap<double> * > ems=gdc.mapstorage.edgemap_storage;
   110 			  bool itisvar=(ems.find(ch2var[ polishform[i] ])!=ems.end());
   111 			  if(itisvar)
   112 			    {
   113 			      polishstack.push( (*(gdc.mapstorage.edgemap_storage[ ch2var[ polishform[i] ] ]))[k]);
   114 			    }
   115 			  else
   116 			    {
   117 			      char * def_val_ch=new char [(int)(ch2var[ polishform[i] ].length())];
   118 			      for(int j=0;j<(int)(ch2var[ polishform[i] ].length());j++)
   119 				{
   120 				  def_val_ch[j]=ch2var[ polishform[i] ][j];
   121 				}
   122 			      polishstack.push(atof(def_val_ch));
   123 			    }
   124 			  operation=false;
   125 			  break;
   126 			}
   127 		      if(operation)
   128 			{
   129 			  double res;
   130 			  switch(polishform[i])
   131 			    {
   132 			    case '+':
   133 			      res=op1+op2;
   134 			      break;
   135 			    case '-':
   136 			      res=op2-op1;
   137 			      break;
   138 			    case '/':
   139 			      res=op2/op1;
   140 			      break;
   141 			    case '*':
   142 			      res=op1*op2;
   143 			      break;
   144 			    default:
   145 			      std::cout << "How could we get here?" << std::endl;
   146 			      break;
   147 			    }
   148 			  polishstack.push(res);
   149 			}
   150 		    }
   151 		  (*emptr)[k]=polishstack.top(); 
   152 		}
   153 
   154 	      //if addition was not successful addEdgeMap returns one.
   155 	      //cause can be that there is already a map named like the new one
   156 	      if(gdc.mapstorage.addEdgeMap(mapname, emptr, def_val))
   157 		{
   158 		  abortion=1;
   159 		}
   160 
   161 	      //add it to the list of the displayable maps
   162 	      gdc.mapwin.registerNewEdgeMap(mapname);
   163 
   164 	      //display it
   165 	      gdc.changeEdgeText(mapname);
   166 	    }
   167 	  else //!edge.get_active()
   168 	    {
   169 	      //create the new map
   170 	      Graph::NodeMap<double> * emptr=new Graph::NodeMap<double> (gdc.mapstorage.graph);
   171 
   172 	      std::stack<double> polishstack;
   173   
   174 	      for(NodeIt k(gdc.mapstorage.graph); k!=INVALID; ++k)
   175 		{
   176 		  for(int i=0;i<(int)polishform.size();i++)
   177 		    {
   178 		      double op1, op2;
   179 		      bool operation=true;
   180 		      switch(polishform[i])
   181 			{
   182 			case '+':
   183 			case '-':
   184 			case '/':
   185 			case '*':
   186 			  op1=polishstack.top();
   187 			  polishstack.pop();
   188 			  op2=polishstack.top();
   189 			  polishstack.pop();
   190 			  break;
   191 			default:
   192 			  std::map< std::string,Graph::NodeMap<double> * > nms=gdc.mapstorage.nodemap_storage;
   193 			  bool itisvar=(nms.find(ch2var[ polishform[i] ])!=nms.end());
   194 			  if(itisvar)
   195 			    {
   196 			      polishstack.push( (*(gdc.mapstorage.nodemap_storage[ ch2var[ polishform[i] ] ]))[k]);
   197 			    }
   198 			  else
   199 			    {
   200 			      char * def_val_ch=new char [(int)(ch2var[ polishform[i] ].length())];
   201 			      for(int j=0;j<(int)(ch2var[ polishform[i] ].length());j++)
   202 				{
   203 				  def_val_ch[j]=ch2var[ polishform[i] ][j];
   204 				}
   205 			      polishstack.push(atof(def_val_ch));
   206 			    }
   207 			  operation=false;
   208 			  break;
   209 			}
   210 		      if(operation)
   211 			{
   212 			  double res;
   213 			  switch(polishform[i])
   214 			    {
   215 			    case '+':
   216 			      res=op1+op2;
   217 			      break;
   218 			    case '-':
   219 			      res=op2-op1;
   220 			      break;
   221 			    case '/':
   222 			      res=op2/op1;
   223 			      break;
   224 			    case '*':
   225 			      res=op1*op2;
   226 			      break;
   227 			    default:
   228 			      std::cout << "How could we get here?" << std::endl;
   229 			      break;
   230 			    }
   231 			  polishstack.push(res);
   232 			}
   233 		    }
   234 		  (*emptr)[k]=polishstack.top(); 
   235 		}
   236 
   237 	      //if addition was not successful addNodeMap returns one.
   238 	      //cause can be that there is already a map named like the new one
   239 	      if(gdc.mapstorage.addNodeMap(mapname,emptr, def_val))
   240 		{
   241 		  abortion=1;
   242 		}
   243 
   244 	      //add it to the list of the displayable maps
   245 	      gdc.mapwin.registerNewNodeMap(mapname);
   246 
   247 	      //display it
   248 	      //gdc.changeNodeText(mapname);
   249 	    }
   250 	  if(!abortion)
   251 	    {
   252 	      name.set_text("");
   253 	      default_value.set_text("0");
   254 	      edge.show();
   255 	      node.show();
   256 	      hide();
   257 	    }
   258 	}
   259     }
   260 }
   261 
   262 
   263 std::string NewMapWin::string2Polishform(std::string rawcommand, bool itisedge)
   264 {
   265   bool valid_entry=true;
   266 
   267   std::map<std::string, int> str2i;
   268 
   269   std::string command;
   270 
   271   std::string variable;
   272 
   273   char index='a';
   274 
   275   for(int i=0;(valid_entry&&(i<(int)rawcommand.size()));i++)
   276     {
   277       switch(rawcommand[i])
   278 	{
   279 	case '+':
   280 	case '-':
   281 	case '*':
   282 	case '/':
   283 	case ')':
   284 	case '(':
   285  	  if(!variable.empty())
   286 	    {
   287 	      valid_entry=validVariable(variable, itisedge);
   288 	      ch2var[index]=variable;
   289 	      command+=index;
   290 	      index++;
   291 	      variable.erase(0,variable.size());	  
   292 	    }
   293 	  command+=rawcommand[i];
   294 	  break;
   295 	default:
   296 	  variable+=rawcommand[i];
   297 	  break;
   298 	}
   299     }
   300 
   301   if(!variable.empty()&&valid_entry)
   302     {
   303       valid_entry=validVariable(variable, itisedge);
   304       ch2var[index]=variable;
   305       command+=index;
   306       index++;
   307       variable.erase(0,variable.size());	  
   308     }
   309 
   310   if(valid_entry)
   311     {
   312       unsigned int pr=10000;
   313       bool prevmult=false;
   314       unsigned int prev_change=pr;
   315       unsigned int prev_br=pr;
   316       int counter=0;
   317       std::string comm_nobr="";
   318       std::vector<unsigned int> p;
   319       p.resize(counter+1);
   320       
   321       //limits
   322       //6 brackets embedded
   323       //100 operation in a row from the same priority
   324       
   325       for(int i=0;i<(int)command.size();i++)
   326 	{
   327 	  bool put_in_string=true;
   328 	  switch(command[i])
   329 	    {
   330 	    case '(':
   331 	      pr=prev_br+10000;
   332 	      prev_br=pr;
   333 	      prevmult=false;
   334 	      put_in_string=false;
   335 	      break;
   336 	    case ')':
   337 	      pr=prev_br-10000;
   338 	      prev_br=pr;
   339 	      prevmult=false;
   340 	      put_in_string=false;
   341 	      break;
   342 	    case '+':
   343 	    case '-':
   344 	      if(prevmult)
   345 		{
   346 		  pr=prev_change;
   347 		}
   348 	      p[counter]=pr;
   349 	      pr-=100;
   350 
   351 	      prevmult=false;
   352 	      break;
   353 	    case '/':
   354 	    case '*':
   355 	      if(!prevmult)
   356 		{
   357 		  prev_change=pr;
   358 		  pr+=200;
   359 		  pr-=1;
   360 		}
   361 	      p[counter]=pr;
   362 	      pr-=1;
   363 	      prevmult=true;
   364 	      break;
   365 	    default:
   366 	      p[counter]=65000;
   367 	      break;
   368 	    }
   369 	  if(put_in_string)
   370 	    {
   371 	      counter++;
   372 	      p.resize(counter+1);
   373 	      comm_nobr=comm_nobr+command[i];
   374 	    }
   375 	}
   376 
   377       tree_node * root=weightedString2Tree(comm_nobr, p, 0);
   378 
   379       std::string polishform=postOrder(root);
   380 
   381       return polishform;
   382     }
   383   return "";
   384 }
   385 
   386 NewMapWin::tree_node * NewMapWin::weightedString2Tree(std::string to_tree, std::vector<unsigned int> & p, int offset)
   387 {
   388   unsigned int min=p[offset];
   389   int minplace=0;
   390   for(int i=0;i<(int)to_tree.size();i++)
   391     {
   392       if(min>p[offset+i])
   393 	{
   394 	  min=p[offset+i];
   395 	  minplace=i;
   396 	}
   397     }
   398   tree_node * act_node=new tree_node;
   399   act_node->ch=to_tree[minplace];
   400   if(to_tree.size()>=3)
   401     {
   402       act_node->left_child=weightedString2Tree(to_tree.substr(0,minplace), p, offset);
   403       act_node->right_child=weightedString2Tree(to_tree.substr(minplace+1,to_tree.size()-minplace-1), p, offset+minplace+1);
   404     }
   405   else
   406     {
   407       act_node->left_child=NULL;
   408       act_node->right_child=NULL;
   409     }
   410   return act_node;
   411 }
   412 
   413 std::string NewMapWin::postOrder(tree_node * subtree)
   414 {
   415   std::string subtree_to_string;
   416   if(subtree->left_child)
   417     {
   418       subtree_to_string=postOrder(subtree->left_child);
   419     }
   420   if(subtree->right_child)
   421     {
   422       subtree_to_string=subtree_to_string+postOrder(subtree->right_child);
   423     }
   424   subtree_to_string=subtree_to_string+subtree->ch;
   425   return subtree_to_string;
   426 }
   427 
   428 bool NewMapWin::validVariable(std::string variable, bool itisedge)
   429 {
   430   bool cancel;
   431   //is it mapname?
   432   if(itisedge)
   433     {
   434       cancel=(gdc.mapstorage.edgemap_storage.find(variable)==gdc.mapstorage.edgemap_storage.end());
   435     }
   436   else
   437     {
   438       cancel=(gdc.mapstorage.nodemap_storage.find(variable)==gdc.mapstorage.nodemap_storage.end());
   439     }
   440   //maybe it is number
   441   int point_num=0;
   442   if(cancel)
   443     {
   444       cancel=false;
   445       for(int j=0;(!cancel)&&(j<(int)variable.size());j++)
   446 	{
   447 	  if(((variable[j]<'0')||(variable[j]>'9'))&&(variable[j]!='.'))
   448 	    {
   449 	      cancel=true;
   450 	    }
   451 	  else
   452 	    {
   453 	      if(variable[j]=='.')
   454 		{
   455 		  point_num++;
   456 		  if(point_num>1)
   457 		    {
   458 		      cancel=true;
   459 		    }
   460 		}
   461 	    }
   462 	}
   463     }
   464   if(cancel)
   465     {
   466       return false;
   467     }
   468   return true;
   469 }