--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tweetcast/nodejs/client/js/script.js Tue Oct 25 09:20:07 2011 +0200
@@ -0,0 +1,336 @@
+var socket,
+ tlPaper,
+ twPaper,
+ tweetData = {
+ "tweetcount" : 0,
+ "position" : 0,
+ "followLast" : true,
+ "zoomLevel" : 3,
+ "timeLevel" : 2,
+ "tweets" : [],
+ "posIndex" : [],
+ "tlChanged" : true
+ },
+ colors = {
+ 'positive' : "#1D973D",
+ 'reference' : "#C5A62D",
+ 'negative' : "#CE0A15",
+ 'question' : "#036AAE",
+ 'neutre' : "#585858"
+ },
+ annotations = {
+ 'positive' : '++',
+ 'negative' : '--',
+ 'reference' : '==',
+ 'question' : '??'
+ },
+ displaySplitting = [
+ {
+ positions : [ 10, 20, 22, 24, 25, 26, 27, 28, 29, 31, 33, 43, 53 ],
+ classNames : [ 'icons fade', 'icons', 'quarter fade', 'quarter', 'half fade', 'half', 'full', 'half', 'half fade', 'quarter', 'quarter fade', 'icons', 'icons fade' ]
+ },
+ {
+ positions : [ 1, 3, 5, 7, 13, 33, 53 ],
+ classNames : [ 'full', 'half', 'half fade', 'quarter', 'quarter fade', 'icons', 'icons fade' ]
+ }
+ ],
+ blockUpdate = false,
+ waitUpdate = true,
+ wheeldelta = 0;
+
+function placeHolder(className) {
+ return '<li class="placeholder ' + className + '"></li>';
+}
+
+function tweetToHtml(tweet, className) {
+ html = '<li class="tweet ' + className + '" id="tweet_' + tweet.pos + '"';
+ if (tweetData.followLast && tweet.pos == tweetData.position) {
+ html += ' style="display: none"';
+ }
+ html += '>';
+ if (tweet.annotations.length) {
+ html += '<div class="annotations">';
+ for (var i in tweet.annotations) {
+ html += '<div class="annotation ' + tweet.annotations[i] + '" style="width :' + (100/tweet.annotations.length) + '%"></div>';
+ }
+ html += '</div>';
+ }
+ html += '<div class="twmain">';
+ a_user = '<a href="http://twitter.com/' + tweet.user.screen_name + '" target="_blank" title="' + tweet.user.name + '">';
+ if (tweet.user.profile_image_url) {
+ html += a_user + '<img class="profile_image" src="' + tweet.user.profile_image_url + '" /></a>';
+ }
+ html += '<h4>' + a_user + '@' + tweet.user.screen_name + '</a></h4><p class="created_at">' + new Date(tweet.created_at).toLocaleTimeString() + '</p><p class="tweet_text">';
+ lastend = 0;
+ 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],
+ "html" : '<a href="http://twitter.com/search?q=%23' + tweet.entities.hashtags[i].text + '" target="_blank">#' + tweet.entities.hashtags[i].text + '</a>'
+ });
+ }
+ for (var i in tweet.entities.urls) {
+ entities.push({
+ "start" : tweet.entities.urls[i].indices[0],
+ "end" : tweet.entities.urls[i].indices[1],
+ "html" : '<a href="' + tweet.entities.urls[i].expanded_url + '" target="_blank">' + tweet.entities.urls[i].display_url + '</a>'
+ });
+ }
+ 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],
+ "html" : '<a href="http://twitter.com/' + tweet.entities.user_mentions[i].screen_name + '" target="_blank" title="' + tweet.entities.user_mentions[i].name + '">@' + tweet.entities.user_mentions[i].screen_name + '</a>'
+ });
+ }
+ entities.sort(function(a, b) { return a.start - b.start });
+ for (var i in entities) {
+ txt += tweet.text.substring(lastend, entities[i].start) + entities[i].html;
+ lastend = entities[i].end;
+ }
+ txt += tweet.text.substring(lastend);
+ html += txt + '</p></li></div>';
+ return html;
+}
+
+
+function getUpdate() {
+ tweetData.posToDisplay = [];
+ if (tweetData.followLast) {
+ for (var i = tweetData.tweetcount; i >= tweetData.tweetcount - 52; i--) {
+ tweetData.posToDisplay.push( i > 0 ? i : -1 );
+ }
+ tweetData.end = tweetData.tweetcount;
+ tweetData.start = Math.max(1, tweetData.end - 52);
+ } else {
+ for (var i = tweetData.position + 26; i >= tweetData.position - 26; i--) {
+ tweetData.posToDisplay.push( i > 0 && i <= tweetData.tweetcount ? i : -1 );
+ }
+ tweetData.end = Math.min(tweetData.tweetcount, tweetData.position + 26 );
+ tweetData.start = Math.max(1, tweetData.position - 26);
+ }
+ var tweetsToGet = [];
+ for (var i = tweetData.start; i <= tweetData.end; i++) {
+ if (!tweetByPos(i)) {
+ tweetsToGet.push(i);
+ }
+ }
+ if (tweetsToGet.length) {
+ socket.emit('updateTweets', {
+ "tweets" : tweetsToGet
+ });
+ } else {
+ drawTweetList();
+ //drawDisplay();
+ }
+ if (tweetData.tlChanged) {
+ socket.emit('updateTimeline', {
+ "level" : tweetData.timeLevel
+ });
+ } else {
+ drawTimeLine();
+ }
+}
+
+function tweetByPos(pos) {
+ var index = tweetData.posIndex.indexOf(pos);
+ return (index == -1 ? false : tweetData.tweets[index]);
+}
+
+function delayedUpdate() {
+ blockUpdate = false;
+ if (waitUpdate) {
+ updateDisplay();
+ }
+}
+
+function updateDisplay() {
+ if (blockUpdate) {
+ waitUpdate = true;
+ } else {
+ waitUpdate = false;
+ getUpdate();
+ blockUpdate = true;
+ setTimeout(delayedUpdate, 100);
+ }
+}
+
+function setTimeZoom(level) {
+ if (level >= 0 && level <= 4) {
+ tweetData.timeLevel = level;
+ tweetData.tlChanged = true;
+ updateDisplay();
+ }
+}
+
+function drawTweetList() {
+ html = '';
+ var i = 0;
+ while (i < tweetData.posIndex.length) {
+ if (tweetData.posToDisplay.indexOf(tweetData.posIndex[i]) == -1) {
+ tweetData.posIndex.splice(i,1);
+ tweetData.tweets.splice(i,1);
+ } else {
+ i++;
+ }
+ }
+ for (var i in tweetData.posToDisplay) {
+ var ds = displaySplitting[tweetData.followLast ? 1 : 0];
+ for (var j in ds.positions) {
+ if (ds.positions[j] > i) {
+ var className = ds.classNames[j];
+ break;
+ }
+ }
+ html += ( tweetData.posToDisplay[i] != -1 ? tweetToHtml(tweetByPos(tweetData.posToDisplay[i]), className) : placeHolder(className) );
+ }
+ $("#tweetlist").html(html);
+ if (tweetData.followLast) {
+ $("#tweet_" + tweetData.position).fadeIn(500);
+ }
+ drawTimeWindow();
+}
+
+function drawTimeWindow() {
+ twPaper.clear();
+ if (!tweetData.timeline || !tweetData.timeline.length) return;
+
+ var dtfintl = new Date ( tweetData.timeline[ tweetData.timeline.length - 1 ].end ),
+ dtdebtl = new Date ( tweetData.timeline[0].start ),
+ dtfintw = new Date( tweetByPos( tweetData.end ).created_at ),
+ dtdebtw = new Date( tweetByPos( tweetData.start ).created_at ),
+ scY = 600 / ( dtfintl - dtdebtl );
+ twPaper.rect( 0, scY * ( dtfintl - dtfintw ), 300, scY * ( dtfintw - dtdebtw )).attr({"stroke":"none","fill":"#8080ff","fill-opacity":.2});
+ var dtcour = new Date( tweetByPos( tweetData.position ).created_at ),
+ posY = scY * ( dtfintl - dtcour );
+ twPaper.path("M0 "+posY+"L300 "+posY).attr({"stroke":"#ff0"});
+}
+
+function drawTimeLine() {
+ tlPaper.clear();
+ if (!tweetData.timeline || !tweetData.timeline.length) return;
+ tweetData.tlTweetRects = [];
+ var scaleY = 600 / tweetData.timeline.length,
+ max = 0;
+ for (var i = 0; i < tweetData.timeline.length; i++) {
+ max = Math.max(max, tweetData.timeline[i].tweets);
+ }
+ var scaleX = 160 / max;
+
+ // dessin de l'axe vertical
+
+ tlPaper.path("M160 0L160 600").attr({"stroke":"#ccc"});
+
+ // dessin de la date de début
+
+ tlPaper.text(165, 592, new Date(tweetData.timeline[0].start).toLocaleTimeString()).attr({ "text-anchor" : "start", "font-size": "12px" });
+
+ // dessin de la date de fin
+
+ tlPaper.text(165, 7, new Date(tweetData.timeline[tweetData.timeline.length - 1].end).toLocaleTimeString()).attr({ "text-anchor" : "start", "font-size": "12px" });
+ for (var i = 0; i < tweetData.timeline.length; i++) {
+ var posY = 600 - (i * scaleY);
+
+ // Si on est à une demi-heure, on trace un axe secondaire + heure
+
+ if (i && !(new Date(tweetData.timeline[i].start).valueOf() % 1800000)) {
+ tlPaper.path("M0 "+posY+"L165 "+posY).attr({"stroke":"#ccc"});
+ tlPaper.text(165, posY, new Date(tweetData.timeline[i].start).toLocaleTimeString()).attr({ "text-anchor" : "start", "font-size": "12px" });
+ }
+ var anz = {
+ "neutre" :tweetData.timeline[i].tweets
+ };
+ for (var j in tweetData.timeline[i].annotations) {
+ anz.neutre -= tweetData.timeline[i].annotations[j];
+ anz[j] = tweetData.timeline[i].annotations[j];
+ }
+ var posX = 0;
+ for (var j in anz) {
+ var largX = scaleX * anz[j];
+ tlPaper.rect(posX, 600 - scaleY * (i+1), largX, scaleY).attr({"stroke": "none", "fill": colors[j]});
+ posX += largX;
+ }
+ }
+
+ drawTimeWindow();
+/* for (var i = 0; i < tweetData.arcs.length; i++) {
+ var x1 = scaleX * (tmptw[tweetData.arcs[i].from].x + .5),
+ x2 = scaleX * (tmptw[tweetData.arcs[i].to].x + .5),
+ y1 = 600 - scaleY * (tmptw[tweetData.arcs[i].from].y + .5),
+ y2 = 600 - scaleY * (tmptw[tweetData.arcs[i].to].y + .5),
+ d = "M"+x1+" "+y1+"C";
+ if (y1 == y2) {
+ d += x1+" "+(y1 - 30)+" "+x2+" "+(y2 - 30);
+ } else {
+ d += (x1 + 60)+" "+y1+" "+(x2 + 60)+" "+y2;
+ }
+ paper.path(d+" "+x2+" "+y2);
+ } */
+}
+
+$(document).ready(function() {
+ tlPaper = Raphael("timeline", 220, 600);
+ twPaper = Raphael("timewindow", 220, 600);
+ socket = io.connect('http://' + S_IO_HOST + ':' + S_IO_PORT );
+ socket.on('tweetSummary', function (data) {
+ if (tweetData.tweetcount != data.tweetcount) {
+ tweetData.tweetcount = data.tweetcount;
+ tweetData.tlChanged = true;
+ if (tweetData.followLast) {
+ tweetData.position = data.tweetcount;
+ }
+ updateDisplay();
+ }
+ });
+ socket.on('tweets', function (data) {
+ for (var i in data) {
+ if (tweetData.posIndex.indexOf(data[i].pos) == -1) {
+ tweetData.tweets.push(data[i]);
+ tweetData.posIndex.push(data[i].pos);
+ }
+ }
+ drawTweetList();
+ });
+ socket.on('timeline', function (data) {
+ tweetData.timeline = data;
+ drawTimeLine();
+ });
+ socket.on('display', function (data) {
+ tweetData.tlChanged = false;
+ for (var i in data.tweets) {
+ if (tweetData.posIndex.indexOf(data.tweets[i].pos) == -1) {
+ tweetData.tweets.push(data.tweets[i]);
+ tweetData.posIndex.push(data.tweets[i].pos);
+ }
+ }
+ if (data.timeline) {
+ tweetData.timeline = data.timeline
+ }
+ tweetData.arcs = data.arcs;
+ drawDisplay();
+ });
+ $("#tweetlist").mousewheel(function(e, d) {
+ wheeldelta += d;
+ if (Math.abs(wheeldelta) >= 1) {
+ tweetData.position = Math.min( tweetData.tweetcount, Math.max(1, parseInt(wheeldelta) + tweetData.position ) );
+ tweetData.followLast = (tweetData.position == tweetData.tweetcount);
+ updateDisplay();
+ wheeldelta = 0;
+ }
+ return false;
+ });
+ $("#timewindow").mousewheel(function(e, d) {
+ wheeldelta += d;
+ if (Math.abs(wheeldelta) >= 1) {
+ if (wheeldelta > 0) {
+ setTimeZoom(tweetData.timeLevel + 1);
+ } else {
+ setTimeZoom(tweetData.timeLevel - 1);
+ }
+ wheeldelta = 0;
+ }
+ return false;
+ });
+});
\ No newline at end of file