*   

 *  Copyright 2010 Institut de recherche et d'innovation 

 *  contributor(s) : Samuel Huron 

 *   

 *  contact@iri.centrepompidou.fr

 *  http://www.iri.centrepompidou.fr 

 *   

 *  This software is a computer program whose purpose is to show and add annotations on a video .

 *  This software is governed by the CeCILL-C license under French law and

 *  abiding by the rules of distribution of free software. You can  use, 

 *  modify and/ or redistribute the software under the terms of the CeCILL-C

 *  license as circulated by CEA, CNRS and INRIA at the following URL

 *  "http://www.cecill.info". 

 *  

 *  The fact that you are presently reading this means that you have had

 *  knowledge of the CeCILL-C license and that you accept its terms.

  this.userPol    = new Array();

  this.userNoPol  = new Array();

  this.userst      = new Array();

  this.numberOfTweet = 0;

  this.Users;

  this.TweetPolemic;

  this.yMax        = this.height; 

  this.PaperSlider;

  this.heightOfChart;

  this.tweets  = new Array();

  // Make and define the Raphael area

  this.paper = Raphael(document.getElementById(this._id), config.width, config.height);

    // variable 

    // yMax

    var yCoef        = 2;             // coef for height of 1 tweet 

    var frameSize     = 5;             // frame size 

    var margin         = 1;            // marge between frame

    var lineSize      = this.width;        // timeline pixel width 

    var nbrframes     = lineSize/frameSize;     // frame numbers

    var numberOfTweet   = 0;            // number of tweet overide later 

    var duration      = +this._serializer.currentMedia().meta["dc:duration"];      // timescale width 

    var frameLength   = lineSize / frameSize;    // frame timescale  

    var timeline;

    var colors  = new Array("","#1D973D","#C5A62D","#CE0A15","#036AAE","#585858");

    // array 

    //var tweets  = new Array();

    var element = new Array();

    var cluster = new Array();

    var frames  = new Array(frameLength);

    var slices  = new Array();

    // Classes =======================================================================

    var Frames = function(){

      var Myclusters;

      var x;

      var y;

      var width;

      var height;

    };

    Frames = function(json){

      // make my clusters

      // ou Frame vide 

    };

    Frames.prototype.draw = function(){

    };

    Frames.prototype.zoom = function(){

    };

    Frames.prototype.inside = function(){

    };

    var Clusters = function(){

      var Object;

      var yDist;

      var x;

      var y;

      var width;

      var height;

    };

    Clusters = function(json){

      // make my object

    };

    var Tweet = function(){

    };

    // Classes =======================================================================

    // Refactoring (parametere) ************************************************************

    // color translastion

    var qTweet_0  =0;

    var qTweet_Q  =0;

    var qTweet_REF=0;

    var qTweet_OK =0;

    var qTweet_KO =0;

    function colorTranslation(value){

      if(value == "Q"){

        qTweet_Q+=1;

        return 2;

      }else if(value =="REF"){

        qTweet_REF+=1;

        return 4;

      }else if(value =="OK"){

        qTweet_OK+=1;

        return 1;

      }else if(value =="KO"){

        qTweet_KO+=1;

        return 3;

      }else if(value ==""){

        qTweet_0+=1;

        return 5;

      }

    }

        // get current view (the first ???)

        view = json.views[0];

        // the tweets are by definition of the second annotation type FIXME ?

        tweet_annot_type = null;

        if(typeof(view.annotation_types) !== "undefined" && view.annotation_types.length > 1) {

          tweet_annot_type = view.annotation_types[1];

        }

        var item = json.annotations[i];              

        var MyTime  = Math.floor(item.begin/duration*lineSize);

        var Myframe = Math.floor(MyTime/lineSize*frameLength);

        if (typeof(item.meta) !== "undefined" 

          && typeof(item.meta["id-ref"]) !== "undefined"

          && item.meta["id-ref"] === tweet_annot_type) {

          var MyTJson = JSON.parse(item.meta['dc:source']['content']);

            if (item.content['polemics'] != undefined 

            && item.content['polemics'][0] != null) {

              for(var j=0; j<item.content['polemics'].length; j++){

                  this.tweets[numberOfTweet] = {

                        id:i,

                        qualification:colorTranslation(item.content['polemics'][j]),

                        yIndicator:MyTime,

                        yframe:Myframe,

                        title:item.content['title'],

                        timeframe:item.begin,

                        userId: MyTJson.id,

                        userScreenName: MyTJson.screen_name,

                        tsource:MyTJson

                        };

                  numberOfTweet+=1;

              }

          }

          else {

            this.tweets[numberOfTweet] = {

                  id:i,

                  qualification:colorTranslation(""),

                  yIndicator:MyTime,

                  yframe:Myframe,

                  title:item.content['title'],

                  timeframe:item.begin,

                  userId: MyTJson.id,

                  userScreenName: MyTJson.screen_name,

                  tsource:MyTJson

            };

            numberOfTweet+=1;

          }

        } 

      };  

       DrawTweets.call (this); // FIXME: ugly.

      };      

    // tweet Drawing (in raphael) 

    function DrawTweets (){

    // GROUPES TWEET ============================================

    // Count nbr of cluster and tweet in a frame an save int in "frames"

      numberOfTweet = this.tweets.length;

      for(var i=0; i<nbrframes; i++) {  

        for(var j=0; j<numberOfTweet; j++) {  

          if (i==this.tweets[j].yframe){

            var k = this.tweets[j].qualification;

            // make array for frame cluster

            if(frames[i]==undefined){

              frames[i] = {id:i,

                     qualifVol:new Array(),

                     mytweetsID:new Array()

                    };

            }

            // add my tweet to frame

            frames[i].mytweetsID.push(this.tweets[j]);

            // count opinion by frame

            if( frames[i].qualifVol[k] == undefined){

              frames[i].qualifVol[k] = 1;

            }else{

              frames[i].qualifVol[k] += 1;

            }

          }

        }

      }

    // GROUPES TWEET ============================================    

    // max of tweet by Frame 

      var max = 0; 

      for(var i = 0; i < nbrframes; i++) {

        var moy  = 0;

        for (var j = 0; j < 6; j++) {    

          if (frames[i] != undefined) {

            if (frames[i].qualifVol[j] != undefined) {

              moy += frames[i].qualifVol[j];

            }

          }

        }

        if (moy > max) {

      }

      var tweetDrawed = new Array();

      var TweetHeight = 5;

      // DRAW  TWEETS ============================================

      for(var i = 0; i < nbrframes; i++) {

        var addEheight = 5;

        if (frames[i] != undefined){                

          // by type 

            if (frames[i].qualifVol[j] != undefined) {

              // show tweet by type 

              for (var k = 0; k < frames[i].mytweetsID.length; k++) {

                if (frames[i].mytweetsID[k].qualification == j) {                

                  var y = this.heightmax - addEheight;

                  if (this.yMax > y) {

                  var e = this.paper.rect(x, y, frameSize - margin, TweetHeight /* height */).attr({stroke:"#00","stroke-width":0.1,  fill: colors[j]});  

                  addEheight += TweetHeight;

                  e.title= frames[i].mytweetsID[k].title;

                  e.mouseover(function(element) { return function (event) {                                             

                  }}(e)).mousedown(function () {

                    self._Popcorn.currentTime(this.time/1000);

                  });

                  IriSP.jQuery(e.node).attr('title', frames[i].mytweetsID[k].title);

                  IriSP.jQuery(e.node).attr('begin',  frames[i].mytweetsID[k].timeframe);                  

                }

              }

            }

          }

        }

      }    

      // DRAW UI :: resize border and bgd      

      this.paperBackground = this.paper.rect(0, 0, this.width, this.heightmax).attr({fill:"#F8F8F8","stroke-width":0.1,opacity: 1});  

      // var PaperBorder   = this.paper.rect(0, this.yMax,this.width,1).attr({fill:"#fff",stroke: "none",opacity: 1});  

      this.paperSlider   = this.paper.rect(0, 0, 0, this.heightmax).attr({fill:"#D4D5D5", stroke: "none", opacity: 1});

      // decalage 

      // tweetSelection = this.paper.rect(-100,-100,5,5).attr({fill:"#fff",stroke: "none",opacity: 1});  

      this.paperSlider.toBack();

      this.paperBackground.toBack();

    }