--- a/tweetcast/nodejs/client/js/script.js Wed Dec 07 19:28:46 2011 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,446 +0,0 @@
-var socket,
- tlPaper,
- twPaper,
- tweetData = {
- "tweetcount" : 0,
- "position" : 0,
- "feedMode" : true,
- "followLast" : true,
- "zoomLevel" : 3,
- "timeLevel" : 2,
- "tweets" : [],
- "posIndex" : [],
- "tlChanged" : true,
- "tlLevelChanged" : true,
- "blockUpdate" : false,
- "waitUpdate" : true,
- "htmlBuffer" : '',
- "wheelDelta" : 0
- },
- 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' ]
- }
- ];
-
-function placeHolder(className) {
- return '<li class="placeholder ' + className + '"></li>';
-}
-
-function getLinkedTweets() {
- socket.emit('linkedTweets',{"tweetpos":tweetData.position});
-}
-
-function changeMode() {
- if (tweetData.feedMode) {
- getLinkedTweets();
- } else {
- tweetData.feedMode = true;
- updateDisplay();
- }
-}
-
-function clicTweet(tweetPos) {
- if (tweetPos != tweetData.position) {
- tweetData.position = tweetPos;
- if (tweetData.feedMode) {
- tweetData.followLast = (tweetData.position == tweetData.tweetcount);
- } else {
- getLinkedTweets();
- }
- return false;
- } else {
- changeMode();
- }
-}
-
-function tweetToHtml(tweet, className) {
- if (!tweet) {
- return placeHolder(className);
- }
- var html = '<li class="tweet ' + className + '" id="tweet_' + tweet.pos + '" onclick="return clicTweet(' + 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" style="width:' + (100/tweet.annotations.length) + '%; background:' + annotations[tweet.annotations[i]].colors.tweet + '"></div>';
- }
- html += '</div>';
- }
- html += '<div class="twmain">';
- a_user = '<a href="http://twitter.com/' + tweet.user.screen_name + '" var 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;
- var tab = tweet.text.split(/\&\#|\;/);
- var txta = '';
- for (i = 0; i < tab.length; i++) {
- txta += (i % 2 && parseInt(tab[i]) != NaN) ? String.fromCharCode(tab[i]) : tab[i];
- }
- 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],
- "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].expanded_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 += txta.substring(lastend, entities[i].start) + entities[i].html;
- lastend = entities[i].end;
- }
- txt += txta.substring(lastend);
- html += txt + '</p></li></div>';
- return html;
-}
-
-
-function getUpdate() {
- tweetData.posToDisplay = [];
- if (tweetData.feedMode) {
- if (tweetData.followLast) {
- tweetData.position = tweetData.tweetcount;
- 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);
- }
- if ($("#modeselector").text() != "Mode flux") {
- $("#modeselector").html("Mode Flux").css({"color":"#000000","background":"#ffffff"});
- $("#tweetlist").css({"background":"#ffffff"});
- }
- } else {
- tweetData.linkedTweets.referenced_by.sort(function(a,b) { return b.pos - a.pos });
- tweetData.linkedTweets.referencing.sort(function(a,b) { return b.pos - a.pos });
- for (var i in tweetData.linkedTweets.referenced_by) {
- tweetData.posToDisplay.push(tweetData.linkedTweets.referenced_by[i].pos);
- }
- tweetData.posToDisplay.push(tweetData.position);
- for (var i in tweetData.linkedTweets.referencing) {
- tweetData.posToDisplay.push(tweetData.linkedTweets.referencing[i].pos);
- }
- if ($("#modeselector").text() != "Conversation") {
- $("#modeselector").html("Conversation").css({"color":"#ffffff","background":"#000080"});
- $("#tweetlist").css({"background":"#000080"});
- }
- }
- var tweetsToGet = [];
- for (var i in tweetData.posToDisplay) {
- if (tweetData.posToDisplay[i] != -1 && !tweetByPos(tweetData.posToDisplay[i])) {
- tweetsToGet.push(tweetData.posToDisplay[i]);
- }
- }
- if (tweetsToGet.length) {
-// console.log('We need to get '+tweetsToGet.join(','));
- socket.emit('updateTweets', {
- "tweets" : tweetsToGet
- });
- } else {
- drawTweetList();
- }
-/* html = '';
- for (var i in tweetData.linkedTweets.referenced_by) {
- console.log(tweetData.linkedTweets.referenced_by[i]);
- html += tweetToHtml(tweetData.linkedTweets.referenced_by[i].tweet,'half');
- }
- html += tweetToHtml(tweetByPos(tweetData.position),'full');
- for (var i in tweetData.linkedTweets.referencing) {
- console.log(tweetData.linkedTweets.referencing[i]);
- html += tweetToHtml(tweetData.linkedTweets.referencing[i].tweet,'half');
- }
- if (tweetData.htmlBuffer != html) {
- $("#tweetlist").html(html);
- tweetData.htmlBuffer = html;
- } */
- if (tweetData.tlChanged || tweetData.tlLevelChanged) {
- socket.emit('updateTimeline', {
- "level" : tweetData.timeLevel,
- "full" : tweetData.tlLevelChanged
- });
- } else {
- drawTimeLine();
- }
-}
-
-function addTweet(tweet) {
- if (tweetData.posIndex.indexOf(tweet.pos) == -1) {
- tweetData.tweets.push(tweet);
- tweetData.posIndex.push(tweet.pos);
- }
-}
-
-function tweetByPos(pos) {
- var index = tweetData.posIndex.indexOf(pos);
- return (index == -1 ? false : tweetData.tweets[index]);
-}
-
-function delayedUpdate() {
- tweetData.blockUpdate = false;
- if (tweetData.waitUpdate) {
- updateDisplay();
- }
-}
-
-function updateDisplay() {
- if (tweetData.blockUpdate) {
- tweetData.waitUpdate = true;
- } else {
- tweetData.waitUpdate = false;
- getUpdate();
- tweetData.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++;
- }
- }
- if (tweetData.feedMode) {
- 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) );
- }
- } else {
- for (var i in tweetData.posToDisplay) {
- html += tweetToHtml(tweetByPos(tweetData.posToDisplay[i]), (tweetData.posToDisplay[i] == tweetData.position ? 'full' : 'half' ));
- }
- }
- if (tweetData.htmlBuffer != html) {
- $("#tweetlist").html(html);
- tweetData.htmlBuffer = html;
- }
- if (tweetData.followLast) {
- $("#tweet_" + tweetData.position).fadeIn(500);
- }
- drawTimeWindow();
-}
-
-function drawTimeWindow() {
- twPaper.clear();
- if (!tweetData.timeline || !tweetData.timeline.length) return;
-
- var dtfintl = tweetData.timeline[ tweetData.timeline.length - 1 ].end,
- dtdebtl = tweetData.timeline[0].start,
- scY = 600 / ( dtfintl - dtdebtl );
- if (tweetData.feedMode) {
- var dtfintw = new Date( tweetByPos( tweetData.end ).created_at ),
- dtdebtw = new Date( tweetByPos( tweetData.start ).created_at ),
- rTop = scY * ( dtfintl - dtfintw ),
- rHeight = scY * ( dtfintw - dtdebtw );
- if (rHeight > 0) {
- twPaper.rect( 0, rTop, 300, rHeight).attr({"stroke":"none","fill":"#8080ff","fill-opacity":.2});
- }
- } else {
- for (var i in tweetData.posToDisplay) {
- if (tweetData.posToDisplay[i] != -1) {
- var tw = tweetByPos(tweetData.posToDisplay[i]);
- if (tw) {
- var dtcour = new Date( tw.created_at ),
- posY = scY * ( dtfintl - dtcour );
- twPaper.path("M0 "+posY+"L300 "+posY).attr({"stroke":"#88f"});
- }
- }
- }
- }
- 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 = {
- "default" :tweetData.timeline[i].tweets
- };
- for (var j in tweetData.timeline[i].annotations) {
- anz.default -= 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];
- if (largX > 0) {
- tlPaper.rect(posX, 600 - scaleY * (i+1), largX, scaleY).attr({"stroke": "none", "fill": annotations[j].colors.timeline});
- posX += largX;
- }
- }
- }
-
- drawTimeWindow();
-}
-
-$(document).ready(function() {
- tlPaper = Raphael("timeline", 220, 600);
- twPaper = Raphael("timewindow", 220, 600);
- socket = io.connect('http://' + document.location.hostname );
- socket.on('tweetSummary', function (data) {
- if (tweetData.tweetcount != data.tweetcount) {
- tweetData.tweetcount = data.tweetcount;
- tweetData.tlLevelChanged = true;
- updateDisplay();
- }
- });
- socket.on('tweetPosByDate', function (data) {
- tweetData.position = data.tweetpos;
- tweetData.feedMode = true;
- tweetData.followLast = (tweetData.position == tweetData.tweetcount);
- updateDisplay();
- });
- socket.on('tweets', function (data) {
- for (var i in data) {
- addTweet(data[i]);
- }
- drawTweetList();
- });
- socket.on('timeline', function (data) {
- tweetData.tlChanged = false;
- if (data.full) {
- tweetData.timeline = data.data;
- } else {
- if (tweetData.timeline[tweetData.timeline.length - 1].start == data.data[0].start) {
- tweetData.timeline[tweetData.timeline.length - 1] = data.data[0];
- } else {
- tweetData.timeline.push(data.data[0]);
- }
- }
- while (tweetData.length > 50) {
- tweetData.splice(0,1);
- }
- drawTimeLine();
- });
- socket.on('linkedTweets', function(data) {
- tweetData.followLast = false;
- tweetData.feedMode = false;
- tweetData.position = data.tweetpos;
- tweetData.linkedTweets = data;
- updateDisplay();
- });
- $("#tweetlist").mousewheel(function(e, d) {
- tweetData.wheelDelta += d;
- if (Math.abs(tweetData.wheelDelta) >= 1) {
- if (tweetData.feedMode) {
- tweetData.position = Math.min( tweetData.tweetcount, Math.max(1, parseInt(tweetData.wheelDelta) + tweetData.position ) );
- tweetData.followLast = (tweetData.position == tweetData.tweetcount);
- updateDisplay();
- } else {
- if (tweetData.wheelDelta > 0) {
- if (tweetData.linkedTweets.referenced_by.length) {
- tweetData.position = tweetData.linkedTweets.referenced_by[tweetData.linkedTweets.referenced_by.length - 1].pos;
- getLinkedTweets();
- }
- } else {
- if (tweetData.linkedTweets.referencing.length) {
- tweetData.position = tweetData.linkedTweets.referencing[0].pos;
- getLinkedTweets();
- }
- }
- }
- tweetData.wheelDelta = 0;
- }
- return false;
- });
- $("#timewindow").mousewheel(function(e, d) {
- tweetData.wheelDelta += d;
- if (Math.abs(tweetData.wheelDelta) >= 1) {
- if (tweetData.wheelDelta > 0) {
- setTimeZoom(tweetData.timeLevel + 1);
- } else {
- setTimeZoom(tweetData.timeLevel - 1);
- }
- tweetData.wheelDelta = 0;
- }
- return false;
- });
- $("#timewindow").click(function(evt) {
- var offsetY = evt.pageY - $(this).offset().top,
- dtfintl = tweetData.timeline[ tweetData.timeline.length - 1 ].end,
- dtdebtl = tweetData.timeline[0].start,
- clicTime = dtdebtl + (1 - ( offsetY / 600 ) ) * ( dtfintl - dtdebtl );
- socket.emit('tweetPosByDate',{ date: clicTime });
- });
- $("#modeselector").click(changeMode);
-});
\ No newline at end of file