tweetcast/nodejs/client/js/script.js
changeset 340 a99a04556e3b
parent 339 6a073c4a8578
child 341 cab5c9e10f90
equal deleted inserted replaced
339:6a073c4a8578 340:a99a04556e3b
    30 
    30 
    31 function placeHolder(className) {
    31 function placeHolder(className) {
    32     return '<li class="placeholder ' + className + '"></li>';
    32     return '<li class="placeholder ' + className + '"></li>';
    33 }
    33 }
    34 
    34 
       
    35 function getLinkedTweets() {
       
    36     socket.emit('linkedTweets',{"tweetpos":tweetData.position});
       
    37 }
       
    38 
       
    39 function changeMode() {
       
    40     if (tweetData.feedMode) {
       
    41         getLinkedTweets();
       
    42     } else {
       
    43         tweetData.feedMode = true;
       
    44         updateDisplay();
       
    45     }
       
    46 }
       
    47 
    35 function clicTweet(tweetPos) {
    48 function clicTweet(tweetPos) {
    36     if (tweetPos != tweetData.position) {
    49     if (tweetPos != tweetData.position) {
    37         tweetData.position = tweetPos;
    50         tweetData.position = tweetPos;
    38         tweetData.followLast = (tweetData.position == tweetData.tweetcount);
    51         if (tweetData.feedMode) {
       
    52             tweetData.followLast = (tweetData.position == tweetData.tweetcount);
       
    53         } else {
       
    54             getLinkedTweets();
       
    55         }
    39         return false;
    56         return false;
    40     } else {
    57     } else {
    41         console.log("getting linkedTweets");
    58         changeMode();
    42         socket.emit('linkedTweets',{"tweetpos":tweetPos});
       
    43     }
    59     }
    44 }
    60 }
    45 
    61 
    46 function tweetToHtml(tweet, className) {
    62 function tweetToHtml(tweet, className) {
    47     if (!tweet) {
    63     if (!tweet) {
   100 }
   116 }
   101 
   117 
   102 
   118 
   103 function getUpdate() {
   119 function getUpdate() {
   104     tweetData.posToDisplay = [];
   120     tweetData.posToDisplay = [];
   105     if (tweetData.followLast) {
   121     if (tweetData.feedMode) {
   106         for (var i = tweetData.tweetcount; i >= tweetData.tweetcount - 52; i--) {
   122         if (tweetData.followLast) {
   107             tweetData.posToDisplay.push( i > 0 ? i : -1 );
   123             tweetData.position = tweetData.tweetcount;
   108         }
   124             for (var i = tweetData.tweetcount; i >= tweetData.tweetcount - 52; i--) {
   109         tweetData.end = tweetData.tweetcount;
   125                 tweetData.posToDisplay.push( i > 0 ? i : -1 );
   110         tweetData.start = Math.max(1, tweetData.end - 52);
   126             }
   111     } else {
   127             tweetData.end = tweetData.tweetcount;
   112         for (var i = tweetData.position + 26; i >= tweetData.position - 26; i--) {
   128             tweetData.start = Math.max(1, tweetData.end - 52);
   113             tweetData.posToDisplay.push( i > 0 && i <= tweetData.tweetcount ? i : -1 );
   129         } else {
   114         }
   130             for (var i = tweetData.position + 26; i >= tweetData.position - 26; i--) {
   115         tweetData.end = Math.min(tweetData.tweetcount, tweetData.position + 26 );
   131                 tweetData.posToDisplay.push( i > 0 && i <= tweetData.tweetcount ? i : -1 );
   116         tweetData.start = Math.max(1, tweetData.position - 26);
   132             }
       
   133             tweetData.end = Math.min(tweetData.tweetcount, tweetData.position + 26 );
       
   134             tweetData.start = Math.max(1, tweetData.position - 26);
       
   135         }
       
   136         if ($("#modeselector").text() != "Mode flux") {
       
   137             $("#modeselector").html("Mode Flux").css({"color":"#000000","background":"#ffffff"});
       
   138             $("#tweetlist").css({"background":"#ffffff"});
       
   139         }
       
   140     } else {
       
   141         tweetData.linkedTweets.referenced_by.sort(function(a,b) { return b.pos - a.pos });
       
   142         tweetData.linkedTweets.referencing.sort(function(a,b) { return b.pos - a.pos });
       
   143         for (var i in tweetData.linkedTweets.referenced_by) {
       
   144             tweetData.posToDisplay.push(tweetData.linkedTweets.referenced_by[i].pos);
       
   145         }
       
   146         tweetData.posToDisplay.push(tweetData.position);
       
   147         for (var i in tweetData.linkedTweets.referencing) {
       
   148             tweetData.posToDisplay.push(tweetData.linkedTweets.referencing[i].pos);
       
   149         }
       
   150         if ($("#modeselector").text() != "Conversation") {
       
   151             $("#modeselector").html("Conversation").css({"color":"#ffffff","background":"#000080"});
       
   152             $("#tweetlist").css({"background":"#000080"});
       
   153         }
   117     }
   154     }
   118     var tweetsToGet = [];
   155     var tweetsToGet = [];
   119     for (var i = tweetData.start; i <= tweetData.end; i++) {
   156     for (var i in tweetData.posToDisplay) {
   120         if (!tweetByPos(i)) {
   157         if (tweetData.posToDisplay[i] != -1 && !tweetByPos(tweetData.posToDisplay[i])) {
   121             tweetsToGet.push(i);
   158             tweetsToGet.push(tweetData.posToDisplay[i]);
   122         }
   159         }
   123     }
   160     }
   124     if (tweetsToGet.length) {
   161     if (tweetsToGet.length) {
       
   162 //        console.log('We need to get '+tweetsToGet.join(','));
   125         socket.emit('updateTweets', {
   163         socket.emit('updateTweets', {
   126             "tweets" : tweetsToGet
   164             "tweets" : tweetsToGet
   127         });
   165         });
   128     } else {
   166     } else {
   129         drawTweetList();
   167         drawTweetList();
   130         //drawDisplay();
   168     }
   131     }
   169 /*        html = '';
       
   170         for (var i in tweetData.linkedTweets.referenced_by) {
       
   171             console.log(tweetData.linkedTweets.referenced_by[i]);
       
   172             html += tweetToHtml(tweetData.linkedTweets.referenced_by[i].tweet,'half');
       
   173         }
       
   174         html += tweetToHtml(tweetByPos(tweetData.position),'full');
       
   175         for (var i in tweetData.linkedTweets.referencing) {
       
   176             console.log(tweetData.linkedTweets.referencing[i]);
       
   177             html += tweetToHtml(tweetData.linkedTweets.referencing[i].tweet,'half');
       
   178         }
       
   179         if (tweetData.htmlBuffer != html) {
       
   180             $("#tweetlist").html(html);
       
   181             tweetData.htmlBuffer = html;
       
   182         } */
   132     if (tweetData.tlChanged || tweetData.tlLevelChanged) {
   183     if (tweetData.tlChanged || tweetData.tlLevelChanged) {
   133         socket.emit('updateTimeline', {
   184         socket.emit('updateTimeline', {
   134             "level" : tweetData.timeLevel,
   185             "level" : tweetData.timeLevel,
   135             "full" : tweetData.tlLevelChanged
   186             "full" : tweetData.tlLevelChanged
   136         });
   187         });
   137     } else {
   188     } else {
   138         drawTimeLine();
   189         drawTimeLine();
       
   190     }
       
   191 }
       
   192 
       
   193 function addTweet(tweet) {
       
   194     if (tweetData.posIndex.indexOf(tweet.pos) == -1) {
       
   195         tweetData.tweets.push(tweet);
       
   196         tweetData.posIndex.push(tweet.pos);
   139     }
   197     }
   140 }
   198 }
   141 
   199 
   142 function tweetByPos(pos) {
   200 function tweetByPos(pos) {
   143     var index = tweetData.posIndex.indexOf(pos);
   201     var index = tweetData.posIndex.indexOf(pos);
   179             tweetData.tweets.splice(i,1);
   237             tweetData.tweets.splice(i,1);
   180         } else {
   238         } else {
   181             i++;
   239             i++;
   182         }
   240         }
   183     }
   241     }
   184     for (var i in tweetData.posToDisplay) {
   242     if (tweetData.feedMode) {
   185         var ds = displaySplitting[tweetData.followLast ? 1 : 0];
   243         for (var i in tweetData.posToDisplay) {
   186         for (var j in ds.positions) {
   244             var ds = displaySplitting[tweetData.followLast ? 1 : 0];
   187             if (ds.positions[j] > i) {
   245             for (var j in ds.positions) {
   188                 var className = ds.classNames[j];
   246                 if (ds.positions[j] > i) {
   189                 break;
   247                     var className = ds.classNames[j];
   190             }
   248                     break;
   191         }
   249                 }
   192         html += ( tweetData.posToDisplay[i] != -1 ? tweetToHtml(tweetByPos(tweetData.posToDisplay[i]), className) : placeHolder(className) );
   250             }
       
   251             html += ( tweetData.posToDisplay[i] != -1 ? tweetToHtml(tweetByPos(tweetData.posToDisplay[i]), className) : placeHolder(className) );
       
   252         }
       
   253     } else {
       
   254         for (var i in tweetData.posToDisplay) {
       
   255             html += tweetToHtml(tweetByPos(tweetData.posToDisplay[i]), (tweetData.posToDisplay[i] == tweetData.position ? 'full' : 'half' ));
       
   256         }
   193     }
   257     }
   194     if (tweetData.htmlBuffer != html) {
   258     if (tweetData.htmlBuffer != html) {
   195         $("#tweetlist").html(html);
   259         $("#tweetlist").html(html);
   196         tweetData.htmlBuffer = html;
   260         tweetData.htmlBuffer = html;
   197     }
   261     }
   205     twPaper.clear();
   269     twPaper.clear();
   206     if (!tweetData.timeline || !tweetData.timeline.length) return;
   270     if (!tweetData.timeline || !tweetData.timeline.length) return;
   207     
   271     
   208     var dtfintl = tweetData.timeline[ tweetData.timeline.length - 1 ].end,
   272     var dtfintl = tweetData.timeline[ tweetData.timeline.length - 1 ].end,
   209         dtdebtl = tweetData.timeline[0].start,
   273         dtdebtl = tweetData.timeline[0].start,
   210         dtfintw = new Date( tweetByPos( tweetData.end ).created_at ),
       
   211         dtdebtw = new Date( tweetByPos( tweetData.start ).created_at ),
       
   212         scY = 600 / ( dtfintl - dtdebtl );
   274         scY = 600 / ( dtfintl - dtdebtl );
   213     twPaper.rect( 0, scY * ( dtfintl - dtfintw ), 300, scY * ( dtfintw - dtdebtw )).attr({"stroke":"none","fill":"#8080ff","fill-opacity":.2});
   275     if (tweetData.feedMode) {
       
   276         var dtfintw = new Date( tweetByPos( tweetData.end ).created_at ),
       
   277             dtdebtw = new Date( tweetByPos( tweetData.start ).created_at ),
       
   278             rTop = scY * ( dtfintl - dtfintw ),
       
   279             rHeight = scY * ( dtfintw - dtdebtw );
       
   280         if (rHeight > 0) {
       
   281             twPaper.rect( 0, rTop, 300, rHeight).attr({"stroke":"none","fill":"#8080ff","fill-opacity":.2});
       
   282         } 
       
   283     } else {
       
   284         for (var i in tweetData.posToDisplay) {
       
   285             if (tweetData.posToDisplay[i] != -1) {
       
   286                 var tw = tweetByPos(tweetData.posToDisplay[i]);
       
   287                 if (tw) {
       
   288                     var dtcour = new Date( tw.created_at ),
       
   289                         posY = scY * ( dtfintl - dtcour );
       
   290                     twPaper.path("M0 "+posY+"L300 "+posY).attr({"stroke":"#88f"});
       
   291                 }
       
   292             }
       
   293         }
       
   294     }
   214     var dtcour = new Date( tweetByPos( tweetData.position ).created_at ),
   295     var dtcour = new Date( tweetByPos( tweetData.position ).created_at ),
   215         posY = scY * ( dtfintl - dtcour ); 
   296         posY = scY * ( dtfintl - dtcour ); 
   216     twPaper.path("M0 "+posY+"L300 "+posY).attr({"stroke":"#ff0"});
   297     twPaper.path("M0 "+posY+"L300 "+posY).attr({"stroke":"#ff0"});
   217 }
   298 }
   218 
   299 
   255             anz[j] = tweetData.timeline[i].annotations[j];
   336             anz[j] = tweetData.timeline[i].annotations[j];
   256         }
   337         }
   257         var posX = 0;
   338         var posX = 0;
   258         for (var j in anz) {
   339         for (var j in anz) {
   259             var largX = scaleX * anz[j];
   340             var largX = scaleX * anz[j];
   260             tlPaper.rect(posX, 600 - scaleY * (i+1), largX, scaleY).attr({"stroke": "none", "fill": annotations[j].colors.timeline});
   341             if (largX > 0) {
   261             posX += largX;
   342                 tlPaper.rect(posX, 600 - scaleY * (i+1), largX, scaleY).attr({"stroke": "none", "fill": annotations[j].colors.timeline});
       
   343                 posX += largX;
       
   344             }
   262         }
   345         }
   263     }
   346     }
   264     
   347     
   265     drawTimeWindow();
   348     drawTimeWindow();
   266 /*    for (var i = 0; i < tweetData.arcs.length; i++) {
       
   267         var x1 = scaleX * (tmptw[tweetData.arcs[i].from].x + .5),
       
   268             x2 = scaleX * (tmptw[tweetData.arcs[i].to].x + .5),
       
   269             y1 = 600 - scaleY * (tmptw[tweetData.arcs[i].from].y + .5),
       
   270             y2 = 600 - scaleY * (tmptw[tweetData.arcs[i].to].y + .5),
       
   271             d = "M"+x1+" "+y1+"C";
       
   272         if (y1 == y2) {
       
   273             d += x1+" "+(y1 - 30)+" "+x2+" "+(y2 - 30);
       
   274         } else {
       
   275             d += (x1 + 60)+" "+y1+" "+(x2 + 60)+" "+y2;
       
   276         }
       
   277         paper.path(d+" "+x2+" "+y2);
       
   278     } */
       
   279 }
   349 }
   280 
   350 
   281 $(document).ready(function() {
   351 $(document).ready(function() {
   282     tlPaper = Raphael("timeline", 220, 600);
   352     tlPaper = Raphael("timeline", 220, 600);
   283     twPaper = Raphael("timewindow", 220, 600);
   353     twPaper = Raphael("timewindow", 220, 600);
   284     socket = io.connect('http://' + document.location.hostname );
   354     socket = io.connect('http://' + document.location.hostname );
   285     socket.on('tweetSummary', function (data) {
   355     socket.on('tweetSummary', function (data) {
   286         if (tweetData.tweetcount != data.tweetcount) {
   356         if (tweetData.tweetcount != data.tweetcount) {
   287             tweetData.tweetcount = data.tweetcount;
   357             tweetData.tweetcount = data.tweetcount;
   288             tweetData.tlLevelChanged = true;
   358             tweetData.tlLevelChanged = true;
   289             if (tweetData.followLast) {
       
   290                 tweetData.position = data.tweetcount;
       
   291             }
       
   292             updateDisplay();
   359             updateDisplay();
   293         }
   360         }
   294     });
   361     });
   295     socket.on('tweetPosByDate', function (data) {
   362     socket.on('tweetPosByDate', function (data) {
   296         tweetData.position = data.tweetpos;
   363         tweetData.position = data.tweetpos;
       
   364         tweetData.feedMode = true;
   297         tweetData.followLast = (tweetData.position == tweetData.tweetcount);
   365         tweetData.followLast = (tweetData.position == tweetData.tweetcount);
   298         updateDisplay();
   366         updateDisplay();
   299     });
   367     });
   300     socket.on('tweets', function (data) {
   368     socket.on('tweets', function (data) {
   301         for (var i in data) {
   369         for (var i in data) {
   302             if (tweetData.posIndex.indexOf(data[i].pos) == -1) {
   370             addTweet(data[i]);
   303                 tweetData.tweets.push(data[i]);
       
   304                 tweetData.posIndex.push(data[i].pos);
       
   305             }
       
   306         }
   371         }
   307         drawTweetList();
   372         drawTweetList();
   308     });
   373     });
   309     socket.on('timeline', function (data) {
   374     socket.on('timeline', function (data) {
   310         tweetData.tlChanged = false;
   375         tweetData.tlChanged = false;
   321             tweetData.splice(0,1);
   386             tweetData.splice(0,1);
   322         }
   387         }
   323         drawTimeLine();
   388         drawTimeLine();
   324     });
   389     });
   325     socket.on('linkedTweets', function(data) {
   390     socket.on('linkedTweets', function(data) {
   326         console.log(data);
   391         tweetData.followLast = false;
       
   392         tweetData.feedMode = false;
       
   393         tweetData.position = data.tweetpos;
       
   394         tweetData.linkedTweets = data;
       
   395         updateDisplay();
   327     });
   396     });
   328     $("#tweetlist").mousewheel(function(e, d) {
   397     $("#tweetlist").mousewheel(function(e, d) {
   329         tweetData.wheelDelta += d;
   398         tweetData.wheelDelta += d;
   330         if (Math.abs(tweetData.wheelDelta) >= 1) {
   399         if (Math.abs(tweetData.wheelDelta) >= 1) {
   331             tweetData.position = Math.min( tweetData.tweetcount, Math.max(1, parseInt(tweetData.wheelDelta) + tweetData.position ) );
   400             if (tweetData.feedMode) {
   332             tweetData.followLast = (tweetData.position == tweetData.tweetcount);
   401                 tweetData.position = Math.min( tweetData.tweetcount, Math.max(1, parseInt(tweetData.wheelDelta) + tweetData.position ) );
   333             updateDisplay();
   402                 tweetData.followLast = (tweetData.position == tweetData.tweetcount);
       
   403                 updateDisplay();
       
   404             } else {
       
   405                 if (tweetData.wheelDelta > 0) {
       
   406                     if (tweetData.linkedTweets.referenced_by.length) {
       
   407                         tweetData.position = tweetData.linkedTweets.referenced_by[tweetData.linkedTweets.referenced_by.length - 1].pos;
       
   408                         getLinkedTweets();
       
   409                     }
       
   410                 } else {
       
   411                     if (tweetData.linkedTweets.referencing.length) {
       
   412                         tweetData.position = tweetData.linkedTweets.referencing[0].pos;
       
   413                         getLinkedTweets();
       
   414                     }
       
   415                 }
       
   416             }
   334             tweetData.wheelDelta = 0;
   417             tweetData.wheelDelta = 0;
   335         }
   418         }
   336         return false;
   419         return false;
   337     });
   420     });
   338     $("#timewindow").mousewheel(function(e, d) {
   421     $("#timewindow").mousewheel(function(e, d) {
   352             dtfintl = tweetData.timeline[ tweetData.timeline.length - 1 ].end,
   435             dtfintl = tweetData.timeline[ tweetData.timeline.length - 1 ].end,
   353             dtdebtl = tweetData.timeline[0].start,
   436             dtdebtl = tweetData.timeline[0].start,
   354             clicTime = dtdebtl + (1 - ( offsetY / 600 ) ) * ( dtfintl - dtdebtl );
   437             clicTime = dtdebtl + (1 - ( offsetY / 600 ) ) * ( dtfintl - dtdebtl );
   355         socket.emit('tweetPosByDate',{ date: clicTime });
   438         socket.emit('tweetPosByDate',{ date: clicTime });
   356     });
   439     });
       
   440     $("#modeselector").click(changeMode);
   357 });
   441 });