diff -r 6626b728b142 -r 86b62b98fea7 web/res/js-tweetcast/live-polemic.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/res/js-tweetcast/live-polemic.js	Tue Dec 13 19:01:59 2011 +0100
@@ -0,0 +1,959 @@
+var socket,
+    tlPaper,
+    twCx = {
+        followLast : true,
+        position : "0",
+        date_levels : [
+            3600 * 1000,
+            15 * 60 * 1000,
+            5 * 60 * 1000,
+            60 * 1000
+        ],
+        timeLevel : 1,
+        deltaX : 40,
+        tlWidth : 150,
+        tlHeight : 480,
+        globalWords : {},
+        refMouse : { x : 0, y : 0},
+        refPosTl : { x : 0, y : 0},
+        tlMouseMoved : false,
+        tlMouseClicked : false,
+        filtre : null
+        },
+    tlBuffer = '',
+    relHover = [],
+    wheelDelta = 0,
+    scrollEnabled = false,
+    scrollExtent = 8000 - 480,
+    lastScrollPos = 0,
+    rx_url = /https?:\/\/[0-9a-zA-Z\.%\/-_]+/g,
+    rx_word = /[^ \.&;,'"!\?\d\(\)\+\[\]\\\…\-«»:\/]{3,}/g,
+    stop_list = [ 'and', 'avec', 'aux', 'car', 'comme', 'dans', 'donc', 'des', 'elle', 'est', 'être', 'eux', 'ils', 'les', 'leur', 'leurs', 'mes', 'mon', 'tes', 'ton', 'notre', 'nos', 'nous', 'ont', 'pas', 'que', 'qui', 'sont', 'the', 'une', 'votre', 'vos', 'vous' ],
+    l10n = { "rechercher" : "Rechercher" };
+
+function getColor(annotation, lum) {
+    return Raphael.hsl2rgb(annotations[annotation].colors.h, annotations[annotation].colors.s, lum);
+}
+
+function tweetPopup(url) {
+    var popW = 550,
+        popH = 350,
+        scrW = screen.width,
+        scrH = screen.height,
+        posX = Math.round((scrW/2)-(popW/2)),
+        posY = (scrH > popH ? Math.round((scrH/2)-(popH/2)) : 0);
+    window.open(url,
+        '',
+        'left=' + posX + ',top=' + posY + ',width=' + popW + ',height=' + popH + ',personalbar=0,toolbar=0,scrollbars=1,resizable=1');
+}
+
+function arc(source, target) {
+    var x3 = .3 * target.y - .3 * source.y + .8 * source.x + .2 * target.x;
+    var y3 = .8 * source.y + .2 * target.y - .3 * target.x + .3 * source.x;
+    var x4 = .3 * target.y - .3 * source.y + .2 * source.x + .8 * target.x;
+    var y4 = .2 * source.y + .8 * target.y - .3 * target.x + .3 * source.x;
+    return "M" + source.x + " " + source.y + "C" + [x3, y3, x4, y4, target.x, target.y].join(" ");
+}
+
+function addTweet(tweet) {
+    function backRef(source_id, target_id, type) {
+        var target = tweetById(target_id);
+        if (target) {
+            var brobj = {
+                "referenced_by_id" : source_id,
+                "type" : type
+            }
+            if (target.backRefs) {
+                target.backRefs.push(brobj);
+            } else {
+                target.backRefs = [ brobj ]
+            }
+        }
+    }
+    
+    if (twCx.idIndex.indexOf(tweet.id) != -1) {
+        return;
+    }
+    
+    var txt_date = tweet.created_at;
+    if (navigator.userAgent.search(/MSIE/) != -1) {
+        txt_date = txt_date.replace(/( \+)/, ' UTC$1');
+    }
+    tweet.date_value = Date.parse(txt_date);
+    
+    var tab = tweet.text.match(/\&\#[0-9]+\;/g);
+    for (var i in tab) {
+        var n = parseInt(tab[i].substr(2));
+        if (n != NaN) {
+            tweet.text = tweet.text.replace(tab[i], String.fromCharCode(n));
+        }
+    }
+    
+    var ann = [];
+    for (var j in annotations) {
+        if (j != "default") {
+            for (var k in annotations[j].keywords) {
+                if (tweet.text.search(annotations[j].keywords[k]) != -1) {
+                    ann.push(j);
+                    break;
+                }
+            }
+        }
+    }
+    tweet.annotations = ann;
+
+    if (tweet.in_reply_to_status_id) {
+        backRef( tweet.id, tweet.in_reply_to_status_id, "reply" );
+    }
+    if (tweet.retweeted_status) {
+        backRef( tweet.id,  tweet.retweeted_status.id, "retweet" );
+    }
+    
+    var localWords = []
+    
+    var tab = tweet.text.replace(rx_url,'').match(rx_word);
+    for (var i in tab) {
+        var word = tab[i].toLowerCase();
+        if (stop_list.indexOf(word) == -1 && tracking_keywords.indexOf(word) == -1) {
+            if (twCx.globalWords[word]) {
+                twCx.globalWords[word]++;
+            } else {
+                twCx.globalWords[word] = 1;
+            }
+            localWords.push(word);
+        }
+    }
+    
+    tweet.words = localWords;
+    
+    var p = twCx.idIndex.length;
+    while (p && tweet.id < twCx.idIndex[p-1]) {
+        p--;
+    }
+    twCx.tweets.splice(p, 0, tweet);
+    twCx.idIndex.splice(p, 0, tweet.id);
+    
+    if (!twCx.timeline.length) {
+        twCx.timeline = [ populateDateStruct(0, twCx.date_levels[0] * parseInt(tweet.date_value / twCx.date_levels[0])) ]
+    }
+    while (tweet.date_value > twCx.timeline[twCx.timeline.length - 1].end) {
+        twCx.timeline.push( populateDateStruct(0, twCx.timeline[twCx.timeline.length - 1].end) );
+    }
+    
+    insertIntoDateStruct(twCx.timeline, tweet);
+}
+
+function getSliceContent(slice) {
+    if (slice.slices) {
+        var result = [];
+        for (var i in slice.slices) {
+            result = result.concat(getSliceContent(slice.slices[i]));
+        }
+    } else {
+        var result = slice.tweets;
+    }
+    return result;
+}
+
+function flattenDateStruct(slices, target_level) {
+    var current_level = slices[0].level,
+        result = [];
+    if (current_level < target_level) {
+        if (slices[0].slices) {
+            for (var i in slices) {
+                result = result.concat(flattenDateStruct(slices[i].slices, target_level));
+            }
+        }
+    }
+    else {
+        for (var i in slices) {
+            result.push({
+                "start" : slices[i].start,
+                "end" : slices[i].end,
+                "tweets" : getSliceContent(slices[i])
+            });
+        }
+    }
+    return result;
+}
+
+function trimFDS() {
+    var slices = flattenDateStruct(twCx.timeline, twCx.timeLevel);
+    while (slices[0].tweets.length == 0) {
+        slices.splice(0,1);
+    }
+    while (slices[slices.length - 1].tweets.length == 0) {
+        slices.pop();
+    }    
+    var centralTweet = ( twCx.centralTweet ? twCx.centralTweet : twCx.tweets[twCx.tweets.length - 1] ),
+        delta = 30 * twCx.date_levels[twCx.timeLevel],
+        centre = Math.min(slices[slices.length - 1].end - delta , Math.max(slices[0].start + delta, centralTweet.date_value)),
+        min = centre - delta,
+        max = centre + delta;
+    while (slices[0].start < min) {
+        slices.splice(0,1);
+    }
+    while (slices[slices.length - 1].end > max) {
+        slices.pop();
+    }
+    return slices;
+}
+
+function populateDateStruct(level, start) {
+    var end = start + twCx.date_levels[level],
+        struct = {
+            "level" : level,
+            "start" : start,
+            "end" : end
+        };
+    if (level < twCx.date_levels.length - 1) {
+        struct.slices = [];
+        var newstart = start;
+        while (newstart < end) {
+            struct.slices.push(populateDateStruct(level + 1, newstart));
+            newstart += twCx.date_levels[level + 1];
+        }
+    } else {
+        struct.tweets = [];
+    }
+    return struct;
+}
+
+function insertIntoDateStruct(slices, tweet) {
+    var creadate = tweet.date_value;
+    for (var i in slices) {
+        if (creadate < slices[i].end) {
+            if (slices[i].slices) {
+                insertIntoDateStruct(slices[i].slices, tweet);
+            } else {
+                slices[i].tweets.push(tweet.id);
+            }
+            break;
+        }
+    }
+}
+
+function placeHolder(className) {
+    return '<li class="placeholder ' + className + '"></li>';
+}
+
+function tweetById(tweetid) {
+    var pos = twCx.idIndex.indexOf(tweetid);
+    return (pos == -1) ? false : twCx.tweets[pos];
+}
+
+function selectTweet(tweetid) {
+    twCx.position = tweetid;
+    twCx.followLast = (twCx.position == twCx.idIndex[twCx.tweets.length - 1]);
+    updateDisplay();
+}
+
+function goToPos(nPos) {
+    twCx.position = twCx.currentIdIndex[Math.min( twCx.currentIdIndex.length - 1, Math.max(0, nPos ) )];
+    twCx.followLast = (!twCx.filtre && nPos == twCx.tweets.length - 1);
+    updateDisplay();
+}
+
+function movePos(delta) {
+    goToPos( delta + twCx.currentIdIndex.indexOf(twCx.position) );
+}
+
+function tweetToHtml(tweet, className, elName) {
+    
+    function highlight(texte) {
+        return ( twCx.filtre ? texte.replace(twCx.filtre, '<span class="highlight">$1</span>' ) : texte );
+    }
+    
+    if (!tweet) {
+        return placeHolder(className);
+    }
+    var el = (elName ? elName : 'li');
+    var html = '<' + el + ' class="tweet ' + className + '" id="tweet_' + tweet.id + '"';
+    if (className != 'full') {
+        html += ' onclick="selectTweet(\'' + tweet.id + '\'); return false;"';
+    }
+    html += ' onmouseover="rolloverTweet(\'' + tweet.id + "', " + ( className == 'icons' ) + ');"';
+    if (twCx.followLast && className == 'full' && el == 'li') {
+        html += ' style="display: none"';
+    }
+    html += '>';
+    if (tweet.annotations.length) {
+        html += '<div class="annotations">';
+        for (var i in tweet.annotations) {
+            html += '<div class="annotation" style="width:' + (100/tweet.annotations.length) + '%; background:' + getColor(tweet.annotations[i], (className == 'icons' ? .4 : .85)).hex + '"></div>';
+        }
+        html += '</div>';
+    }
+    html += '<div class="twmain">';
+    var a_user = '<a href="http://twitter.com/' + tweet.user.screen_name + '"  onclick="filtrerTexte(\'@' + tweet.user.screen_name + '\'); return false;" target="_blank">';
+    html += '<div class="around_img">' + a_user + '<img class="profile_image" src="' + tweet.user.profile_image_url + '" /></a>';
+    if (className == 'full') {
+        html += '<p class="created_at">' + new Date(tweet.date_value).toTimeString().substr(0,8) + '</a></p>';
+    }
+    html += '</div>';
+    if (className != 'icons') {
+        lastend = 0;
+        var txt = '',
+            entities = [];
+        for (var i in tweet.entities.hashtags) {
+            entities.push({
+                "start" : tweet.entities.hashtags[i].indices[0],
+                "end" : tweet.entities.hashtags[i].indices[1],
+                "link" : '<a href="http://twitter.com/search?q=%23' + tweet.entities.hashtags[i].text + '" onclick="filtrerTexte(\'#' + tweet.entities.hashtags[i].text + '\'); return false;" target="_blank">',
+                "text" : '#' + tweet.entities.hashtags[i].text
+            });
+        }
+        for (var i in tweet.entities.urls) {
+            var linkurl = ( tweet.entities.urls[i].expanded_url ? tweet.entities.urls[i].expanded_url : tweet.entities.urls[i].url ),
+                dispurl = linkurl.replace(/https?:\/\//,'');
+            if (linkurl.search(/https?:\/\//) == -1) {
+                linkurl = 'http://' + linkurl;
+            }
+            entities.push({
+                "start" : tweet.entities.urls[i].indices[0],
+                "end" : tweet.entities.urls[i].indices[1],
+                "link" : '<a href="' + linkurl  + '" target="_blank">',
+                "text" : dispurl
+            });
+        }
+        for (var i in tweet.entities.user_mentions) {
+            entities.push({
+                "start" : tweet.entities.user_mentions[i].indices[0],
+                "end" : tweet.entities.user_mentions[i].indices[1],
+                "link" : '<a href="http://twitter.com/' + tweet.entities.user_mentions[i].screen_name + '" onclick="filtrerTexte(\'@' + tweet.entities.user_mentions[i].screen_name + '\'); return false;" target="_blank">',
+                "text" : '@' + tweet.entities.user_mentions[i].screen_name
+            });
+        }
+        entities.sort(function(a, b) { return a.start - b.start });
+        for (var i in entities) {
+            txt += highlight( tweet.text.substring(lastend, entities[i].start) ) + entities[i].link + highlight( entities[i].text ) + '</a>';
+            lastend = entities[i].end;
+        }
+        txt += highlight( tweet.text.substring(lastend) );
+        html += '<p class="tweet_text"><b>' + a_user + highlight('@' + tweet.user.screen_name) + '</a>' + ( className == 'full' ? ' (' + tweet.user.name + ')</b><br />' : '</b> : ') + txt + '</p>';
+        if (className == 'full' && el == 'li') {
+            html += '<div class="tweet_actions"><a href="http://twitter.com/' + tweet.user.screen_name + '/status/' + tweet.id + '" onclick="tweetPopup(this.href); return false;" target="_blank">afficher tweet</a> - ';
+            html += '<a href="http://twitter.com/intent/tweet?in_reply_to=' + tweet.id + '" onclick="tweetPopup(this.href); return false;" target="_blank">répondre</a> · ';
+            html += '<a href="http://twitter.com/intent/retweet?tweet_id=' + tweet.id + '" onclick="tweetPopup(this.href); return false;" target="_blank">retweeter</a> · ';
+            html += '<a href="http://twitter.com/intent/favorite?tweet_id=' + tweet.id + '" onclick="tweetPopup(this.href); return false;" target="_blank">favori</a></div>';
+        }
+    }
+    html += '</div></' + el + '>';
+    return html;
+}
+
+function tlIdFromPos(x, y, outside) {
+    if (!twCx.tlOnDisplay) {
+        return;
+    }
+    var ligne = Math.min( twCx.tlOnDisplay.length - 1, Math.max( 0, Math.floor(( twCx.tlHeight - y ) / twCx.scaleY) ) ),
+        colonne = Math.floor(( x - twCx.deltaX ) / twCx.scaleX ),
+        l = 0;
+    if (colonne >= twCx.tlOnDisplay[ligne].totalTweets || colonne < 0 ) {
+        if (outside) {
+            colonne = Math.min( twCx.tlOnDisplay[ligne].totalTweets - 1, Math.max( 0, colonne ));
+        } else {
+            return null;
+        }
+    }
+    for (var i in twCx.tlOnDisplay[ligne].displayData) {
+        var nl = l + twCx.tlOnDisplay[ligne].displayData[i].length;
+        if (colonne < nl) {
+            return {
+                "id" : twCx.tlOnDisplay[ligne].displayData[i][colonne - l],
+                "annotation" : i
+            }
+        }
+        l = nl;
+    }
+}
+
+function tlPosTweet(tweet, annotation) {
+    if (!twCx.tweets) {
+        return;
+    }
+    var x,
+        y,
+        dt = tweet.date_value,
+        ann = ( annotation ? annotation : ( tweet.annotations.length ? tweet.annotations[0] : 'default' ) );
+    for (var i = 0; i < twCx.tlOnDisplay.length; i++) {
+        if (twCx.tlOnDisplay[i].end > dt) {
+            y = twCx.tlHeight - (i + .5) * twCx.scaleY;
+            var l = 0;
+            for (var j in twCx.tlOnDisplay[i].displayData) {
+                if (j == ann) {
+                    var p = twCx.tlOnDisplay[i].displayData[j].indexOf(tweet.id);
+                    if (p != -1) {
+                        x = twCx.deltaX + twCx.scaleX * ( p + l + .5 );
+                    }
+                    break;
+                }
+                l += twCx.tlOnDisplay[i].displayData[j].length;
+            }
+            break;
+        }
+    }
+    return ( x && y ? { "x" : x, "y" : y } : null);
+}
+
+function rolloverTweet(tweetid, showPopup, annotation) {
+    var t = tweetById(tweetid);
+    if (!t) {
+        return;
+    }
+    var p = tlPosTweet(t, annotation);
+    if (!p) {
+        return;
+    }
+    var ptl = $("#timeline").offset();
+    if (showPopup) {
+        $("#hovercontent").html(tweetToHtml(t, 'full', 'div'));
+        $("#hovertweet").css({
+            "left" : parseInt(ptl.left + p.x) + "px",
+            "top" : parseInt(ptl.top + p.y),
+            "display" : "block"});
+    } else {
+        $("#hovertweet").hide();
+    }
+    for (var i in relHover) {
+        relHover[i].remove();
+    }
+    relHover = drawTweetArcs(t, p, '#303030');
+    relHover.push(drawTweetPos(p, '#ffffff'));
+}
+
+function drawTweetPos(pos, color) {
+    var rel = tlPaper.rect(pos.x - .5 * twCx.scaleX, pos.y - .5 * twCx.scaleY, twCx.scaleX, twCx.scaleY);
+    rel.attr({ "stroke" : color, "fill" : color, "fill-opacity" : .25 });
+    return rel;
+}
+
+function drawTweetArcs(tweet, pos, color) {
+    
+    var res = [];
+
+    function tweetAndArc(a, b, aorb) {
+        if (a && b) {
+            res.push(drawTweetPos(aorb ? a : b, color));
+            var aa = tlPaper.path(arc(a,b))
+                .attr({ "stroke" : color, "stroke-width" : 1.5, "stroke-opacity" : .8 });
+            res.push(aa);
+        }
+    }
+    
+    if (tweet.retweeted_status) {
+        var t = tweetById(tweet.retweeted_status.id);
+        if (t) {
+            tweetAndArc(pos, tlPosTweet(t));
+        }
+    }
+    
+    if (tweet.in_reply_to_status_id) {
+        var t = tweetById(tweet.in_reply_to_status_id);
+        if (t) {
+            tweetAndArc(pos, tlPosTweet(t));
+        }
+    }
+    
+    if (tweet.backRefs) {
+        for (var i in tweet.backRefs) {
+            var t = tweetById(tweet.backRefs[i].referenced_by_id);
+            if (t) {
+            tweetAndArc(tlPosTweet(t), pos, true);
+            }
+        }
+    }
+    
+    return res;
+}
+
+function updateDisplay() {
+    if (!twCx.tweets) {
+        return;
+    }
+    if (twCx.filtre) {
+        var tweets = twCx.tweets.filter(function(tweet) {
+            var mention = '@' + tweet.user.screen_name;
+            return ( tweet.text.search(twCx.filtre) != -1 ) || ( mention.search(twCx.filtre) != -1 );
+        });
+        $("#inp_q").val(twCx.filtreTexte + ' (' + tweets.length + ' tweets)');
+        if (tweets.length) {
+            var idIndex = tweets.map(function(tweet) {
+                return tweet.id;
+            });
+            var p = idIndex.indexOf(twCx.position);
+            if (p == -1) {
+                for (p = idIndex.length - 1; p > 0 && idIndex[p] > twCx.position; p--) {
+                }
+            }
+            twCx.position = idIndex[p];
+            twCx.currentIdIndex = idIndex;
+        }
+        
+    } else {
+        twCx.currentIdIndex = twCx.idIndex;
+        var tweets = twCx.tweets;
+        var p = twCx.idIndex.indexOf(twCx.position);
+        if (p == -1) {
+            p = (twCx.followLast ? twCx.idIndex.length - 1 : 0);
+        }
+    }
+
+    var l = tweets.length,
+        lines = 0,
+        ppy = 0,
+        html = '',
+        tweetsOnDisplay = [],
+        localWords = {};
+    
+    function pushTweet(tp, className) {
+        if (tp < l && tp >= 0) {
+            html += tweetToHtml(tweets[tp], className)
+            tweetsOnDisplay.push(tp);
+            for (var i in tweets[tp].words) {
+                var w = tweets[tp].words[i];
+                if (localWords[w]) {
+                    localWords[w].freq++
+                } else {
+                    localWords[w] = {
+                        "freq" : 1,
+                        "annotations" : {}
+                    }
+                    for (var j in annotations) {
+                        if (j != 'default') {
+                            localWords[w].annotations[j] = 0;
+                        }
+                    }
+                }
+                for (var j in tweets[tp].annotations) {
+                    localWords[w].annotations[tweets[tp].annotations[j]]++;
+                }
+            }
+        } else {
+            html += placeHolder(className);
+        }
+    }
+    
+    if (l) {
+    
+        lastScrollPos = Math.floor( scrollExtent * ( 1 - ( p / l ) ) );
+        $("#scrollcont").scrollTop(lastScrollPos);
+        
+        if (l > p + 18) {
+            lines++;
+            ppy += 20;
+            for (var i = p + 31; i >= p + 18; i--) {
+                pushTweet(i, 'icons');
+            }
+        }
+        if (l > p + 4) {
+            lines++;
+            ppy += 20;
+            for (var i = p + 17; i >= p + 4; i--) {
+                pushTweet(i, 'icons');
+            }
+        }
+        for (var k = 3; k >= 1; k--) {
+            if (l > p + k) {
+                ppy += 47;
+                lines++;
+                pushTweet(p + k, 'half');
+            }
+        }
+        pushTweet(p, 'full');
+        var n = p - 1;
+        for (var i = 0; i < Math.min(6, Math.max(3, 6 - lines)); i++) {
+            if (n < 0) {
+                break;
+            }
+            pushTweet(n, 'half');
+            n--;
+        }
+        for (var i = 0; i < 14 * Math.min(4, Math.max(2, 7 - lines)); i++) {
+            if (n < 0) {
+                break;
+            }
+            pushTweet(n, 'icons');
+            n--;
+        }
+        if (html != tlBuffer) {
+            $("#tweetlist").html(html);
+            $(".tweet.full").fadeIn();
+            tlBuffer = html;
+        }
+        
+        /* Recherche des mots pertinents correspondant à la sélection */
+        
+        var tab = _(localWords).map(function(v, k) {
+            return {
+                "word": k,
+                "freq" : v.freq,
+                "annotations" : v.annotations,
+                "score" : v.freq / Math.log( 2 + twCx.globalWords[j] )
+            };
+        }).filter(function(v) {
+            return v.freq > 1;
+        });
+        
+        if (tab.length) {
+            
+            tab = _(tab).sortBy( function(a) { return ( - a.score ) }).slice(0,20);
+            var minfreq = _(tab).min( function(a) { return a.freq} ).freq,
+                maxfreq = Math.max(minfreq + .1, _(tab).max( function(a) { return a.freq} ).freq),
+                echfreq = 8 / Math.sqrt( maxfreq - minfreq ),
+                html = '';
+            for (var j in tab) {
+                var maxann = 0,
+                    ann = "default";
+                for (var k in tab[j].annotations) {
+                    if (tab[j].annotations[k] == maxann) {
+                        ann = "default";
+                    }
+                    if (tab[j].annotations[k] > maxann) {
+                        ann = k;
+                        maxann = tab[j].annotations[k];
+                    }
+                }
+                if (ann == "default") {
+                    var coul = '';
+                } else {
+                    var c = getColor(ann, .6),
+                        coul = "background: rgba(" + [ Math.floor(c.r), Math.floor(c.g), Math.floor(c.b), ( tab[j].annotations[ann] / tab[j].freq )].join(',') + ")";
+                }
+                var fontsize = Math.floor( ( 12 + Math.sqrt( tab[j].freq - minfreq ) * echfreq ) );
+                html += '<span style="line-height: ' + (8 + fontsize) + 'px; font-size: ' + fontsize + 'px;' + coul + '" onclick="filtrerTexte(\'' + tab[j].word.replace(/('|")/g, '\\$1') + '\')">' + tab[j].word + '</span> ';
+            }
+            $("#motscles").html(html);
+        } else {
+            $("#motscles").html('');
+        }
+        twCx.centralTweet = tweets[p];
+    } else {
+        $("#tweetlist").html('');
+        tlBuffer = '';
+        $("#motscles").html('');
+    }
+    
+    twCx.tlOnDisplay = trimFDS();
+    twCx.scaleY = twCx.tlHeight / twCx.tlOnDisplay.length;
+    var maxTweets = 0,
+        startTl = 0,
+        endTl = twCx.tlOnDisplay.length - 1;
+    if (l) {
+        var startTw = tweets[tweetsOnDisplay[tweetsOnDisplay.length - 1]].date_value,
+            endTw = tweets[tweetsOnDisplay[0]].date_value;
+    }
+    for (var i = 0; i < twCx.tlOnDisplay.length; i++) {
+        if (l) {
+            if (startTw >= twCx.tlOnDisplay[i].start && startTw < twCx.tlOnDisplay[i].end) {
+                startTl = i;
+            }
+            if (endTw >= twCx.tlOnDisplay[i].start && endTw < twCx.tlOnDisplay[i].end) {
+                endTl = i;
+            }
+        }
+        var displayData = {};
+        for (var j in annotations) {
+            displayData[j] = [];
+        }
+        for (var j in twCx.tlOnDisplay[i].tweets) {
+            var tweetid = twCx.tlOnDisplay[i].tweets[j],
+                tweet = tweetById(tweetid);
+            if (tweet) {
+                if (tweet.annotations.length) {
+                    for (var k in tweet.annotations) {
+                        displayData[tweet.annotations[k]].push(tweetid);
+                    }
+                } else {
+                    displayData['default'].push(tweetid);
+                }
+            }
+        }
+        var nbT = 0;
+        for (var j in displayData) {
+            nbT += displayData[j].length;
+        }
+        maxTweets = Math.max(maxTweets, nbT);
+        twCx.tlOnDisplay[i].displayData = displayData;
+        twCx.tlOnDisplay[i].totalTweets = nbT;
+    }
+    twCx.scaleX = ( twCx.tlWidth - twCx.deltaX ) / maxTweets;
+    tlPaper.clear();
+    relHover = null;
+    
+    // Dessin de la correspondance liste-timeline
+    if (l) {
+        var startY = twCx.tlHeight - startTl * twCx.scaleY,
+            endY = twCx.tlHeight - ( endTl + 1 ) * twCx.scaleY,
+            path = "M0 " + twCx.tlHeight + "C" + .7*twCx.deltaX + " " + twCx.tlHeight + " " + .3*twCx.deltaX + " " + startY + " " + twCx.deltaX + " " + startY + "L" + twCx.tlWidth + " " + startY + "L" + twCx.tlWidth + " " + endY + "L" + twCx.deltaX + " " + endY + "C" + .3*twCx.deltaX + " " + endY + " " + .7*twCx.deltaX + " 0 0 0";
+        tlPaper.path( path ).attr({ "stroke" : "none", "fill" : "#000080", "opacity" : .2 });
+    }   
+    // dessin de la date de début
+    
+    tlPaper.text(twCx.deltaX / 2, twCx.tlHeight - 7, new Date(twCx.tlOnDisplay[0].start).toTimeString().substr(0,5))
+        .attr({ "text-anchor" : "middle", "font-size": "9px" });
+    
+    // dessin de la date de fin
+    
+    tlPaper.text(twCx.deltaX / 2, 7, new Date(twCx.tlOnDisplay[twCx.tlOnDisplay.length - 1].end).toTimeString().substr(0,5))
+        .attr({ "text-anchor" : "middle", "font-size": "9px" });
+    
+    for (var i = 0; i < twCx.tlOnDisplay.length; i++) {
+        var n = 0,
+            posY = twCx.tlHeight - ( i + 1 ) * twCx.scaleY;
+        for (var j in twCx.tlOnDisplay[i].displayData) {
+            var ll = twCx.tlOnDisplay[i].displayData[j].length;
+            if (ll > 0) {
+                tlPaper.rect( twCx.deltaX + n * twCx.scaleX, posY, ll * twCx.scaleX, twCx.scaleY )
+                    .attr({"stroke" : "none", "fill" : getColor(j, .4).hex });
+                n += ll;
+            }
+        }
+        
+        // Si on est à une demi-heure, on trace un axe secondaire + heure
+        
+        if (i < twCx.tlOnDisplay.length - 1 && !(twCx.tlOnDisplay[i].end % 1800000)) {
+            tlPaper.path("M0 "+posY+"L" + twCx.tlWidth +" "+posY).attr({"stroke":"#ccc"});
+            tlPaper.text(twCx.deltaX / 2, posY, new Date(twCx.tlOnDisplay[i].end).toTimeString().substr(0,5)).attr({ "text-anchor" : "middle", "font-size": "9px" });
+        }
+    }
+    
+    // dessin du tweet courant
+    
+    if (l) {
+        
+        if (twCx.filtre) {
+            for (var i = 0; i < tweets.length; i++) {
+                if (i != p) {
+                    var pos = tlPosTweet(tweets[i]);
+                    if (pos) {
+                        drawTweetPos(pos, "#ffccff");
+                    }
+                }
+            }
+            
+        }
+        
+        var posp = tlPosTweet(tweets[p]);
+        if (posp) {
+            
+            drawTweetPos(posp, "#ffff00");
+            var yy = posp.y - .5 * twCx.scaleY,
+                path = "M0 " + ppy + "C" + ( .7 * twCx.deltaX ) + " " + ppy + " " + ( .2 * twCx.deltaX ) + " " + yy + " " + ( twCx.deltaX ) + " " + yy + "L" + ( posp.x - .5 * twCx.scaleX ) + " " + yy;
+            yy = posp.y + .5 * twCx.scaleY;
+            ppy += 117;
+            path += "L" + ( posp.x - .5 * twCx.scaleX ) + " " + yy + "L" + twCx.deltaX + " " + yy + "C"  + ( .2 * twCx.deltaX ) + " " + yy + " " + ( .7 * twCx.deltaX ) + " " + ppy + " 0 " + ppy;
+            tlPaper.path( path ).attr({"stroke":"#ffff00", "fill" : "#ffff00", "fill-opacity" : .15});
+            
+            drawTweetArcs(tweets[p], posp, '#800080');
+        }
+    }
+}
+
+function filtrerAnnotation(annotation) {
+    if (annotations[annotation]) {
+        effectuerFiltrage(annotations[annotation].display_name,
+            new RegExp( "(" + annotations[annotation].keywords.map(function(a) { return a.source }).join("|") + ")", "gi" ) );
+    } else {
+        effectuerFiltrage('', null)
+    }
+}
+
+function filtrerTexte(valeur) {
+    effectuerFiltrage( valeur, valeur ? new RegExp("(" + valeur.replace(/(\W)/g, '\\$1') + ")" ,'gi') : null );
+}
+
+function effectuerFiltrage(filtreTexte, tabRegexp) {
+    $("#recherche_annot").slideUp();
+    $("#inp_q").val(filtreTexte).attr("class","rechercheCourante");
+    twCx.filtreTexte = filtreTexte;
+    twCx.filtre = tabRegexp;
+    twCx.followLast = !tabRegexp && (twCx.position == twCx.idIndex[twCx.idIndex.length - 1]);
+    updateDisplay();
+}
+
+function clicTl(evt) {
+    var o = $("#timeline").offset();
+    if (twCx.tlMouseClicked && twCx.tlMouseMoved) {
+        var twid = tlIdFromPos(evt.pageX - o.left + twCx.refPosTl.x - twCx.refMouse.x, evt.pageY - o.top + twCx.refPosTl.y - twCx.refMouse.y, true);
+        if (twid) {
+            selectTweet(twid.id);
+        }
+    } else {
+        var twid = tlIdFromPos(evt.pageX - o.left, evt.pageY - o.top, twCx.tlMouseClicked);
+        if (twCx.tlMouseMoved && !twCx.tlMouseClicked) { 
+            if (twid) {
+                rolloverTweet(twid.id, true, twid.annotation);
+            } else {
+                $("#hovertweet").hide();
+            }
+        }
+        if (twCx.tlMouseClicked && !twCx.tlMouseMoved) {
+            if (twid) {
+                selectTweet(twid.id);
+            }
+        }
+    }
+}
+
+function loadTweets(tweets, append) {
+    if (!append) {
+        twCx.timeline = [];
+        twCx.idIndex = [];
+        twCx.tweets = [];
+    }
+    for (var i in tweets) {
+        addTweet(tweets[i]);
+    }
+    if (twCx.followLast) {
+        twCx.position = twCx.idIndex[twCx.tweets.length - 1];
+    }
+    updateDisplay();
+}
+
+function focusOutRecherche() {
+    $("#recherche_annot").slideUp();
+    var inpq = $("#inp_q"),
+        val = inpq.val();
+    if (val == '' || val == twCx.filtreTexte) {
+        if (twCx.filtre) {
+            inpq.attr("class", "rechercheCourante").val(twCx.filtreTexte);
+        } else {
+            inpq.attr("class", "greyed").val(l10n.rechercher);
+        }
+    }
+}
+
+function chaineTimeZoom() {
+    var chaine = "",
+        t = twCx.date_levels[twCx.timeLevel],
+        h = 3600*1000,
+        m = 60*1000,
+        s = 1000,
+        heures = Math.floor(t/h);
+    if (heures) { chaine += heures + ' h. ' };
+    t -= (heures * h);
+    var minutes = Math.floor(t/m);
+    if (minutes) { chaine += minutes + ' min. ' };
+    t -= (minutes * m);
+    if (t) { chaine += Math.floor(t/s) + ' sec.' }
+    $("#time_scale").html(chaine);
+    $("#time_zoomout").attr("class",(twCx.timeLevel == 0 ? "inactive" : ""));
+    $("#time_zoomin").attr("class",(twCx.timeLevel == twCx.date_levels.length - 1 ? "inactive" : ""));
+}
+
+$(document).ready(function() {
+    tlPaper = Raphael("timeline", twCx.tlWidth, twCx.tlHeight);
+    
+    connectTweets();
+    
+    var html = '';
+    for (var j in annotations) {
+        if (j != "default") {
+            html += '<a href="#" style="background: ' + getColor(j, .7).hex + ';" onclick=filtrerAnnotation(\'' + j + '\'); return false;">' + annotations[j].display_name + '</a> '
+        }
+    }
+    $("#rech_list_annot").html(html);
+    
+    chaineTimeZoom();
+    
+    $("#tweetlist").mousewheel(function(e, d) {
+        wheelDelta += d;
+        if (Math.abs(wheelDelta) >= 1) {
+            movePos( parseInt(wheelDelta) );
+            wheelDelta = 0;
+        }
+        return false;
+    });
+    $("#timeline").mousewheel(function(e, d) {
+        wheelDelta += d;
+        if (Math.abs(wheelDelta) >= 1) {
+            if (wheelDelta > 0) {
+                tl = Math.min(twCx.date_levels.length - 1, twCx.timeLevel + 1);
+            } else {
+                tl = Math.max(0, twCx.timeLevel - 1);
+            }
+            if (tl != twCx.timeLevel) {
+                twCx.timeLevel = tl;
+                chaineTimeZoom();
+                updateDisplay();
+            }
+            wheelDelta = 0;
+        }
+        return false;
+    });
+    $("#time_zoomin").click(function() {
+        if (twCx.timeLevel < twCx.date_levels.length - 1) {
+            twCx.timeLevel++;
+            chaineTimeZoom();
+            updateDisplay();
+        }
+    });
+    $("#time_zoomout").click(function() {
+        if (twCx.timeLevel > 0) {
+            twCx.timeLevel--;
+            chaineTimeZoom();
+            updateDisplay();
+        }
+    });
+    $("#timeline, #tweetlist").mouseout(function() {
+        twCx.tlMouseClicked = false;
+        twCx.tlMouseMoved = false;
+        $("#hovertweet").hide();
+    });
+    $("#timeline").mousemove(function(evt) {
+        twCx.tlMouseMoved = true;
+        clicTl(evt);
+    });
+    $("#timeline").mousedown(function(evt) {
+        twCx.tlMouseClicked = true;
+        twCx.tlMouseMoved = false;
+        var o = $(this).offset();
+        twCx.refMouse = { x : evt.pageX - o.left, y : evt.pageY - o.top };
+        twCx.refPosTl = tlPosTweet(tweetById(twCx.position)) || twCx.refMouse;
+    });
+    $("#timeline").mouseup(function(evt) {
+        clicTl(evt);
+        twCx.tlMouseClicked = false;
+        twCx.tlMouseMoved = false;
+    });
+    $("#inp_q").focus(function() {
+        $("#recherche_annot").slideDown();
+        $(this).val($(this).val().replace(/ \(.+\)$/, ''))
+        if ($(this).hasClass("greyed")) {
+            $(this).val("");
+        }
+        $(this).attr("class","");
+    });
+    $("#inp_q").focusout(function() {
+        focusOutRecherche();
+    });
+    $("#inp_reset").click(function() {
+        $("#inp_q").val('');
+        if (twCx.filtre) {
+            twCx.filtre = null;
+            updateDisplay();
+        }
+        twCx.filtreTexte = '';
+        focusOutRecherche();
+        return false;
+    })
+    $("#recherche").submit(function(evt) {
+        evt.preventDefault();
+        if (!$("#inp_q").hasClass("greyed")) {
+            var valeur = $("#inp_q").val();
+            filtrerTexte(valeur);
+        }
+        return false;
+    });
+    
+    setInterval(function() {
+        var sc = $("#scrollcont");
+        if (sc.scrollTop() != lastScrollPos && twCx.tweets) {
+            var p = Math.floor( twCx.currentIdIndex.length * ( 1 - sc.scrollTop() / scrollExtent ) );
+            goToPos(p);
+        }
+        
+    }, 100)
+});
+