<!DOCTYPE html>
<html>
  <head>
	  <title>DeReKo-Word-Vector-Distances: <%= $word %></title>
	  <link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
	  <script src="http://code.jquery.com/jquery-latest.min.js"></script>
    <script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
	  <script>
     $(function() {
       $( document ).tooltip({
			   content: function() {
				   return $(this).attr('title');
			   }}
		   )
	   })
    </script>
	  <script src="//d3js.org/d3.v3.min.js" charset="utf-8"></script>
	  <script src="/word2vec/js/tsne.js"></script>
	  <script src="/word2vec/js/som.js"></script>
	  <script src="/word2vec/js/labeler.js"></script>
    <style>
     body, input {
	     font-family: Arial, sans-serif;
	     font-size: 11pt;
     }
     
     .ui-tooltip-content {
	     font-size: 9pt;
	     color: #222222;
     }
     
     svg > .ui-tooltip-content {
	     font-size: 8pt;
	     color: #222222;
     }
     
     a.merged {
       color: green;
       fill: green;
     }
     
     #first a {
       text-decoration: none;
     }
     
     a.marked, #first a.marked {
       text-decoration: underline;
     }

     a.target {
       color: red;
       fill: red;
     }
     
     #collocators {
       margin-bottom: 15px;
     }
     
     #wrapper {
       width: 100%;
       //   border: 1px solid red; 
       overflow: hidden; /* will contain if #first is longer than #second */
     }
     #first {
       margin-right: 20px;
       float: left;
       //    border: 1px solid green;
     }
     #second {
       border: 1px solid #333;
       overflow: hidden; /* if you don't want #second to wrap below #first */
     }
     #som2 svg {
       border: 1px solid #333;
     }

     #cost {
	     font-size: 8pt;
	     color: #222222;
       margin-top: 4px;
       margin-bottom: 12px;
     }

     #sominfo1, #sominfo {
	     font-size: 8pt;
	     color: #222222;
       margin-top: 0px;
     }

     #somcolor1, #somcolor2, #somcolor3 {
       display: inline-block;
       height: 10px;
       width: 10px;
     }

     #third {
       border: 1px solid #333;
     }

    </style>
    <script>

     var opt = {epsilon: <%= $epsilon %>, perplexity: <%= $perplexity %>},
		     mapWidth = 800, // width map
		     mapHeight = 800,
		     jitterRadius = 7;

     var T = new tsnejs.tSNE(opt); // create a tSNE instance

     var Y;

     var data;
     var labeler;

     function applyJitter() {
       svg.selectAll('.tsnet')
          .data(labels)
          .transition()
          .duration(50)
          .attr("transform", function(d, i) {
            T.Y[i][0] = (d.x - mapWidth/2 - tx)/ss/20;
            T.Y[i][1] = (d.y - mapHeight/2 - ty)/ss/20;
            return "translate(" +
          (d.x) + "," +
          (d.y) + ")";
          });
     }
     
     function updateEmbedding() {
       var Y = T.getSolution();
       svg.selectAll('.tsnet')
          .data(data.words)
          .attr("transform", function(d, i) { 
			      return "translate(" +
           ((Y[i][0]*20*ss + tx) + mapWidth/2) + "," +
           ((Y[i][1]*20*ss + ty) + mapHeight/2) + ")"; });
     }

     var svg;
     var labels = [];
     var anchor_array = [];
     var text;

     function drawEmbedding() {
       $("#embed").empty();
       var div = d3.select("#embed");
	     
       // get min and max in each column of Y
       var Y = T.Y;
       
       svg = div.append("svg") // svg is global
					      .attr("width", mapWidth)
					      .attr("height", mapHeight);
	     
       var g = svg.selectAll(".b")
						      .data(data.words)
						      .enter().append("g")
						      .attr("class", "tsnet");
	     
       g.append("a")
	      .attr("xlink:href", function(word) {
          return (data.urlprefix+word);})
        .attr("class", function(d, i) {
          var res="";
          if(data.marked[i]) {
			      res="marked ";
          }
			    if(data.target.indexOf(" "+d+" ") >= 0) {
				    return res+"target";
			    } else if(data.ranks[i] < data.mergedEnd) {
			      return res+"merged";
			    } else {
				    return res;
			    }
	      })
	      .attr("title", function(d, i) {
		      if(data.mergedEnd > 0) {
            if(data.ranks[i] >= data.mergedEnd) {	
         	    return "rank: "+i +"  "+"freq. rank: "+(data.ranks[i]).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
            } else {
         	    return "rank: "+i +"  "+"freq. rank: "+data.ranks[i].toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") + " (merged vocab)";
            }  
	        } else {
		        return "rank: "+i +"  "+"freq. rank: "+data.ranks[i].toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
		      }
	      })
		    .append("text")
        .attr("text-anchor", "top")
        .attr("font-size", 12)
        .text(function(d) { return d; });
	     
       var zoomListener = d3.behavior.zoom()
											      .scaleExtent([0.1, 10])
											      .center([0,0])
											      .on("zoom", zoomHandler);
       zoomListener(svg);
     }

     var tx=0, ty=0;
     var ss=1;
     var iter_id=-1;

     function zoomHandler() {
       tx = d3.event.translate[0];
       ty = d3.event.translate[1];
       ss = d3.event.scale;
       updateEmbedding();
     }

     var stepnum = 0;

     function stopStep() {
       clearInterval(iter_id);
	     text = svg.selectAll("text");
	     
       // jitter function needs different data and co-ordinate representation
	     labels = d3.range(data.words.length).map(function(i) {
         var x = (T.Y[i][0]*20*ss + tx) + mapWidth/2;
         var y = (T.Y[i][1]*20*ss + ty) + mapHeight/2;
		     anchor_array.push({x: x, y: y, r: jitterRadius});
		     return {
           x: x,
           y: y,
			     name: data.words[i]
		     };
	     });
       
       // get the actual label bounding boxes for the jitter function
	     var index = 0;
	     text.each(function() {
		     labels[index].width = this.getBBox().width;
		     labels[index].height = this.getBBox().height;
		     index += 1;
	     });

	     
       //	 setTimeout(updateEmbedding, 1);
       //	 setTimeout(
	     labeler =	 d3.labeler()
			               .label(labels)
			               .anchor(anchor_array)
			               .width(mapWidth)
			               .height(mapHeight)
			               .update(applyJitter);
       //         .start(1000);

       iter_id = setInterval(jitterStep, 1);
     }

     var jitter_i=0;

     function jitterStep() {
       if(jitter_i++ > 100) {
         clearInterval(iter_id);
       } else {
		     labeler.start2(10);
	       applyJitter();
       }
     }

     var last_cost=1000;

     function step() {
       var i = T.iter;
       
       if(i > <%= $no_iterations %>) {
		     stopStep();
       } else {
         var cost = Math.round(T.step() * 100000) / 100000; // do a few steps
         $("#cost").html("tsne iteration " + i + ", cost: " + cost.toFixed(5));
         if(i % 250 == 0 && cost >= last_cost) {
		       stopStep();
         } else {
           last_cost = cost;
           updateEmbedding();
         }
       }
     }

     function showMap(j) {
	     data=j;
       T.iter=0;
       T.initDataRaw(data.vecs); // init embedding
       drawEmbedding(); // draw initial embedding
	     
	     if(iter_id >= 0) {
		     clearInterval(iter_id);
	     }
       //T.debugGrad();
       iter_id = setInterval(step, 1);
       if(<%= $show_som %>) {
         makeSOM(j, <%= $no_iterations %>);
       }
     }
     
    </script>
  </head>
  <body>
	  <form method="GET">
		  word(s): 
      <input type="text" name="word" size="20"  value="<%= $word %>" title="When looking for multiple words use spaces as separators to search around the average vector and | as separator to get the neighbours for each word."> 
		  % if($mergedEnd > 0) {
        backw. <input type="checkbox" name="sbf" value="1" <%= ($searchBaseVocabFirst ? "checked" : "") %> title="If checkecked base vocabulary will be searched first. Otherwise merged vocabulray will be searched first.">
      % }
		  max. neighbours: <input type="text" size="8" name="n" value="<%= $no_nbs %>">
		  max. iterations: <input type="text" name="N" size="8" value="<%= $no_iterations %>">
      SOM <input type="checkbox" name="som" value="1" <%= ($show_som ? "checked" : "") %>>
		  % if($collocators) {
        <span>  </span>sort collocators by
        <select name="sort">
          <option value="0"  <%= ($sort!=1? "selected":"") %>>responsiveness</option>
          <option value="1" <%= ($sort==1? "selected":"") %>>mean p</option>
        </select>
		  % }
		  <span>  </span><input type="submit" value="Show">
	  </form>
	  <br>
	  % if($lists) {
	    <div id="wrapper">
		    <table id="first">
			    <tr>
				    <th align="right">#</th><th align="right">cos</th><th align="left">paradigmatic</th>
            % if($collocators) {
				      <th title="Position in winodw around target word. Absolute value can be too low because of sub-sampling frequent words.">@</th><th align="right" title="&#34;Responsivenes&#34; of the collocator at the relative position @. Approximation of the probability that the combination of the target word and the collocator at the relative position @ come from the corpus.">resp.</th><th title="Probability of the collocator at window location @."align="right">p(c<sub><small>@</small></sub>)</th><th align="right">Σp(c<sub><small>@</small></sub>)/|w|</th><th align="left">syntagmatic</th>
				    % }
			    </tr>
			    % my $j=0; my @words; my @vecs; my @ranks; my @marked;
          % for my $list (@$lists) {
			      % my $i=0; while($list) {
              % my $item = (@$list)[$i];
              % my $c = ($collocators? (@$collocators)[$i] : 0);
              % last if(!$c && !$item);
			        <tr>
				        <td align="right">
  				        <%= ++$i %>.
				        </td>
                % if($item) {
			            % if(!grep{$_ eq $item->{word}} @words) {
                    %   push @vecs, $item->{vector};
			              %   push @words, $item->{word};
			              %   push @ranks, $item->{rank};
			              %   push @marked, ($marked->{$item->{word}}? 1 : 0);
                  % }
				          <td align="right">
  				          <%= sprintf("%.3f", $item->{dist}) %>
				          </td>
				          <td>
                    % my $class = ($marked->{$item->{word}}? "marked " : ""); 
                    % my $r = $item->{rank}; 
                    % if($r < $mergedEnd) {
                      %   $class .= "merged";
                      %   $r .= " (merged vocab)";
                    % } elsif($mergedEnd!=0 && $r > $mergedEnd) {
                    %   $r -= $mergedEnd;
                    % }
  				          <a class="<%= $class =%>"
                       title="freq. rank: <%= $r =%>"
                       href="<%= url_with->query([word => $item->{word}]) =%>">
                      <%= $item->{word} =%>
                    </a>
				          </td>
                % } else {
                  <td colspan="2"/>
                % }
                % if($c) {
				          <td align="right">
                    <%= $c->{pos} %>:
				          </td>
				          <td align="right">
  				          <%= sprintf("%.3f", $c->{dist}) %>
				          </td>
				          <td align="right">
  				          <%= sprintf("%.3e", $c->{norm}) %>
				          </td>
				          <td align="right">
  				          <%= sprintf("%.3e", $c->{sum}) %>
				          </td>
				          <td align="left">
  				          <a href="<%= url_with->query([word => $c->{word}]) =%>">
                      <%= $c->{word} %>
				          </td>
                % } else {
                  <td colspan="5"/>
                % }
			        </tr>
			      % }
		      % }
		    </table>
		    <script>
		     % use Mojo::ByteStream 'b';
         % my $urlprefix = url_with->query([word=>'']);
		     $(window).load(function() {
			     showMap(<%= b(Mojo::JSON::to_json({target => " $word ", mergedEnd=> $mergedEnd, words => \@words, vecs => \@vecs, ranks => \@ranks, marked => \@marked, urlprefix => $urlprefix})); %>);
		     });
        </script>
		% }
		<div id="second" style="width:800px; height:800px; font-family: arial;">
			<div id="embed">
			</div>
		</div>
    <div id="cost"></div>
		% if($show_som) {
		  <div id="som2">
		  </div>
      <div id="sominfo1"><span id="somcolor1">   </span> <span id="somword1"> </span> <span id="somcolor2">   </span> <span id="somword2"> </span> <span id="somcolor3">   </span></div>
      <div id="sominfo">SOM iteration <span id="iterations">0</span></div>
    % }
      </div>
      % if($training_args) {
        <p>
          Word vector model trained with <a href="https://code.google.com/p/word2vec/">word2vec</a> using the following parameters: <pre><%= $training_args %></pre>
        </p>
      % }
  </body>
</html>