var labelType, useGradients, nativeTextSupport, animate; (function() { var ua = navigator.userAgent, iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i), typeOfCanvas = typeof HTMLCanvasElement, nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'), textSupport = nativeCanvasSupport && (typeof document.createElement('canvas').getContext('2d').fillText == 'function'); //I'm setting this based on the fact that ExCanvas provides text support for IE //and that as of today iPhone/iPad current text support is lame labelType = (!nativeCanvasSupport || (textSupport && !iStuff))? 'Native' : 'HTML'; nativeTextSupport = labelType == 'Native'; useGradients = nativeCanvasSupport; animate = !(iStuff || !nativeCanvasSupport); })(); var Log = { elem: false, write: function(text){ if (!this.elem) this.elem = document.getElementById('log'); this.elem.innerHTML = text; this.elem.style.left = (500 - this.elem.offsetWidth / 2) + 'px'; } }; function init(){ //init data var json = { "children": [ { "children": [ { "children": [], "data": { "playcount": "276", "$color": "#8E7032", "image": "http://userserve-ak.last.fm/serve/300x300/11403219.jpg", "$area": 276 }, "id": "album-Thirteenth Step", "name": "Thirteenth Step" }, { "children": [], "data": { "playcount": "271", "$color": "#906E32", "image": "http://userserve-ak.last.fm/serve/300x300/11393921.jpg", "$area": 271 }, "id": "album-Mer De Noms", "name": "Mer De Noms" } ], "data": { "playcount": 547, "$area": 547 }, "id": "artist_A Perfect Circle", "name": "A Perfect Circle" }, { "children": [ { "children": [], "data": { "playcount": "209", "$color": "#AA5532", "image": "http://userserve-ak.last.fm/serve/300x300/32349839.jpg", "$area": 209 }, "id": "album-Above", "name": "Above" } ], "data": { "playcount": 209, "$area": 209 }, "id": "artist_Mad Season", "name": "Mad Season" }, { "children": [ { "children": [], "data": { "playcount": "260", "$color": "#956932", "image": "http://userserve-ak.last.fm/serve/300x300/38753425.jpg", "$area": 260 }, "id": "album-Tiny Music... Songs From the Vatican Gift Shop", "name": "Tiny Music... Songs From the Vatican Gift Shop" }, { "children": [], "data": { "playcount": "254", "$color": "#976732", "image": "http://images.amazon.com/images/P/B000002IU3.01.LZZZZZZZ.jpg", "$area": 254 }, "id": "album-Core", "name": "Core" } ], "data": { "playcount": 514, "$area": 514 }, "id": "artist_Stone Temple Pilots", "name": "Stone Temple Pilots" }, { "children": [ { "children": [], "data": { "playcount": "181", "$color": "#B54932", "image": "http://userserve-ak.last.fm/serve/300x300/8673371.jpg", "$area": 181 }, "id": "album-The Science of Things", "name": "The Science of Things" } ], "data": { "playcount": 181, "$area": 181 }, "id": "artist_Bush", "name": "Bush" }, { "children": [ { "children": [], "data": { "playcount": "229", "$color": "#A15D32", "image": "http://userserve-ak.last.fm/serve/300x300/32579429.jpg", "$area": 229 }, "id": "album-Echoes, Silence, Patience & Grace", "name": "Echoes, Silence, Patience & Grace" }, { "children": [], "data": { "playcount": "185", "$color": "#B34B32", "image": "http://images.amazon.com/images/P/B0009HLDFU.01.MZZZZZZZ.jpg", "$area": 185 }, "id": "album-In Your Honor (disc 2)", "name": "In Your Honor (disc 2)" } ], "data": { "playcount": 414, "$area": 414 }, "id": "artist_Foo Fighters", "name": "Foo Fighters" }, { "children": [ { "children": [], "data": { "playcount": "398", "$color": "#5DA132", "image": "http://images.amazon.com/images/P/B00005LNP5.01._SCMZZZZZZZ_.jpg", "$area": 398 }, "id": "album-Elija Y Gane", "name": "Elija Y Gane" }, { "children": [], "data": { "playcount": "203", "$color": "#AC5232", "image": "http://images.amazon.com/images/P/B0000B193V.01._SCMZZZZZZZ_.jpg", "$area": 203 }, "id": "album-Para los Arboles", "name": "Para los Arboles" } ], "data": { "playcount": 601, "$area": 601 }, "id": "artist_Luis Alberto Spinetta", "name": "Luis Alberto Spinetta" }, { "children": [ { "children": [], "data": { "playcount": "224", "$color": "#A35B32", "image": "http://userserve-ak.last.fm/serve/300x300/26497553.jpg", "$area": 224 }, "id": "album-Music Bank", "name": "Music Bank" }, { "children": [], "data": { "playcount": "217", "$color": "#A65832", "image": "http://images.amazon.com/images/P/B0000296JW.01.MZZZZZZZ.jpg", "$area": 217 }, "id": "album-Music Bank (disc 1)", "name": "Music Bank (disc 1)" }, { "children": [], "data": { "playcount": "215", "$color": "#A75732", "image": "http://images.amazon.com/images/P/B0000296JW.01.MZZZZZZZ.jpg", "$area": 215 }, "id": "album-Music Bank (disc 2)", "name": "Music Bank (disc 2)" }, { "children": [], "data": { "playcount": "181", "$color": "#B54932", "image": "http://images.amazon.com/images/P/B0000296JW.01.MZZZZZZZ.jpg", "$area": 181 }, "id": "album-Music Bank (disc 3)", "name": "Music Bank (disc 3)" } ], "data": { "playcount": 837, "$area": 837 }, "id": "artist_Alice in Chains", "name": "Alice in Chains" }, { "children": [ { "children": [], "data": { "playcount": "627", "$color": "#00FF32", "image": "http://userserve-ak.last.fm/serve/300x300/8480501.jpg", "$area": 627 }, "id": "album-10,000 Days", "name": "10,000 Days" } ], "data": { "playcount": 627, "$area": 627 }, "id": "artist_Tool", "name": "Tool" }, { "children": [ { "children": [], "data": { "playcount": "261", "$color": "#946A32", "image": "http://cdn.last.fm/flatness/catalogue/noimage/2/default_album_medium.png", "$area": 261 }, "id": "album-2006-09-07: O-Bar, Stockholm, Sweden", "name": "2006-09-07: O-Bar, Stockholm, Sweden" }, { "children": [], "data": { "playcount": "211", "$color": "#A95532", "image": "http://userserve-ak.last.fm/serve/300x300/25402479.jpg", "$area": 211 }, "id": "album-Lost and Found", "name": "Lost and Found" } ], "data": { "playcount": 472, "$area": 472 }, "id": "artist_Chris Cornell", "name": "Chris Cornell" }, { "children": [ { "children": [], "data": { "playcount": "197", "$color": "#AE5032", "image": "http://userserve-ak.last.fm/serve/300x300/8634627.jpg", "$area": 197 }, "id": "album-The Sickness", "name": "The Sickness" } ], "data": { "playcount": 197, "$area": 197 }, "id": "artist_Disturbed", "name": "Disturbed" }, { "children": [ { "children": [], "data": { "playcount": "493", "$color": "#36C832", "image": "http://userserve-ak.last.fm/serve/300x300/8591345.jpg", "$area": 493 }, "id": "album-Mama's Gun", "name": "Mama's Gun" } ], "data": { "playcount": 493, "$area": 493 }, "id": "artist_Erykah Badu", "name": "Erykah Badu" }, { "children": [ { "children": [], "data": { "playcount": "249", "$color": "#996532", "image": "http://userserve-ak.last.fm/serve/300x300/32070871.jpg", "$area": 249 }, "id": "album-Audioslave", "name": "Audioslave" } ], "data": { "playcount": 249, "$area": 249 }, "id": "artist_Audioslave", "name": "Audioslave" }, { "children": [ { "children": [], "data": { "playcount": "359", "$color": "#6C9232", "image": "http://userserve-ak.last.fm/serve/300x300/15858421.jpg", "$area": 359 }, "id": "album-Comfort y M\u00fasica Para Volar", "name": "Comfort y M\u00fasica Para Volar" } ], "data": { "playcount": 359, "$area": 359 }, "id": "artist_Soda Stereo", "name": "Soda Stereo" }, { "children": [ { "children": [], "data": { "playcount": "302", "$color": "#847A32", "image": "http://userserve-ak.last.fm/serve/300x300/8776205.jpg", "$area": 302 }, "id": "album-Clearing the Channel", "name": "Clearing the Channel" } ], "data": { "playcount": 302, "$area": 302 }, "id": "artist_Sinch", "name": "Sinch" }, { "children": [ { "children": [], "data": { "playcount": "177", "$color": "#B74732", "image": "http://userserve-ak.last.fm/serve/300x300/32457599.jpg", "$area": 177 }, "id": "album-Crash", "name": "Crash" } ], "data": { "playcount": 177, "$area": 177 }, "id": "artist_Dave Matthews Band", "name": "Dave Matthews Band" }, { "children": [ { "children": [], "data": { "playcount": "207", "$color": "#AA5432", "image": "http://userserve-ak.last.fm/serve/300x300/30352203.jpg", "$area": 207 }, "id": "album-Vs.", "name": "Vs." } ], "data": { "playcount": 207, "$area": 207 }, "id": "artist_Pearl Jam", "name": "Pearl Jam" }, { "children": [ { "children": [], "data": { "playcount": "486", "$color": "#39C532", "image": "http://userserve-ak.last.fm/serve/300x300/26053425.jpg", "$area": 486 }, "id": "album-It All Makes Sense Now", "name": "It All Makes Sense Now" }, { "children": [], "data": { "playcount": "251", "$color": "#986632", "image": "http://userserve-ak.last.fm/serve/300x300/9658733.jpg", "$area": 251 }, "id": "album-Air", "name": "Air" } ], "data": { "playcount": 737, "$area": 737 }, "id": "artist_Kr\u00f8m", "name": "Kr\u00f8m" }, { "children": [ { "children": [], "data": { "playcount": "345", "$color": "#728C32", "image": "http://userserve-ak.last.fm/serve/300x300/8605651.jpg", "$area": 345 }, "id": "album-Temple Of The Dog", "name": "Temple Of The Dog" } ], "data": { "playcount": 345, "$area": 345 }, "id": "artist_Temple of the Dog", "name": "Temple of the Dog" }, { "children": [ { "children": [], "data": { "playcount": "318", "$color": "#7D8132", "image": "http://userserve-ak.last.fm/serve/300x300/29274729.jpg", "$area": 318 }, "id": "album-And All That Could Have Been (Still)", "name": "And All That Could Have Been (Still)" } ], "data": { "playcount": 318, "$area": 318 }, "id": "artist_Nine Inch Nails", "name": "Nine Inch Nails" }, { "children": [ { "children": [], "data": { "playcount": "256", "$color": "#966832", "image": "http://userserve-ak.last.fm/serve/300x300/32595059.jpg", "$area": 256 }, "id": "album-Mamagubida", "name": "Mamagubida" }, { "children": [], "data": { "playcount": "220", "$color": "#A55932", "image": "http://cdn.last.fm/flatness/catalogue/noimage/2/default_album_medium.png", "$area": 220 }, "id": "album-Reggae \u00e0 Coup de Cirque", "name": "Reggae \u00e0 Coup de Cirque" }, { "children": [], "data": { "playcount": "181", "$color": "#B54932", "image": "http://userserve-ak.last.fm/serve/300x300/16799743.jpg", "$area": 181 }, "id": "album-Grain de sable", "name": "Grain de sable" } ], "data": { "playcount": 657, "$area": 657 }, "id": "artist_Tryo", "name": "Tryo" }, { "children": [ { "children": [], "data": { "playcount": "258", "$color": "#966832", "image": "http://cdn.last.fm/flatness/catalogue/noimage/2/default_album_medium.png", "$area": 258 }, "id": "album-Best Of", "name": "Best Of" }, { "children": [], "data": { "playcount": "176", "$color": "#B74732", "image": "http://userserve-ak.last.fm/serve/300x300/5264426.jpg", "$area": 176 }, "id": "album-Robbin' The Hood", "name": "Robbin' The Hood" } ], "data": { "playcount": 434, "$area": 434 }, "id": "artist_Sublime", "name": "Sublime" }, { "children": [ { "children": [], "data": { "playcount": "418", "$color": "#55AA32", "image": "http://userserve-ak.last.fm/serve/300x300/8590493.jpg", "$area": 418 }, "id": "album-One Hot Minute", "name": "One Hot Minute" } ], "data": { "playcount": 418, "$area": 418 }, "id": "artist_Red Hot Chili Peppers", "name": "Red Hot Chili Peppers" }, { "children": [ { "children": [], "data": { "playcount": "275", "$color": "#8F6F32", "image": "http://userserve-ak.last.fm/serve/300x300/17597653.jpg", "$area": 275 }, "id": "album-Chinese Democracy", "name": "Chinese Democracy" }, { "children": [], "data": { "playcount": "203", "$color": "#AC5232", "image": "http://userserve-ak.last.fm/serve/300x300/15231979.jpg", "$area": 203 }, "id": "album-Use Your Illusion II", "name": "Use Your Illusion II" } ], "data": { "playcount": 478, "$area": 478 }, "id": "artist_Guns N' Roses", "name": "Guns N' Roses" }, { "children": [ { "children": [], "data": { "playcount": "208", "$color": "#AA5432", "image": "http://images.amazon.com/images/P/B0007LCNNE.01.MZZZZZZZ.jpg", "$area": 208 }, "id": "album-Tales of the Forgotten Melodies", "name": "Tales of the Forgotten Melodies" } ], "data": { "playcount": 208, "$area": 208 }, "id": "artist_Wax Tailor", "name": "Wax Tailor" }, { "children": [ { "children": [], "data": { "playcount": "208", "$color": "#AA5432", "image": "http://userserve-ak.last.fm/serve/300x300/7862623.png", "$area": 208 }, "id": "album-In Rainbows", "name": "In Rainbows" } ], "data": { "playcount": 208, "$area": 208 }, "id": "artist_Radiohead", "name": "Radiohead" }, { "children": [ { "children": [], "data": { "playcount": "317", "$color": "#7E8032", "image": "http://userserve-ak.last.fm/serve/300x300/8600371.jpg", "$area": 317 }, "id": "album-Down On The Upside", "name": "Down On The Upside" }, { "children": [], "data": { "playcount": "290", "$color": "#897532", "image": "http://userserve-ak.last.fm/serve/300x300/8590515.jpg", "$area": 290 }, "id": "album-Superunknown", "name": "Superunknown" } ], "data": { "playcount": 607, "$area": 607 }, "id": "artist_Soundgarden", "name": "Soundgarden" }, { "children": [ { "children": [], "data": { "playcount": "247", "$color": "#9A6432", "image": "http://userserve-ak.last.fm/serve/300x300/15113951.jpg", "$area": 247 }, "id": "album-Nico", "name": "Nico" }, { "children": [], "data": { "playcount": "218", "$color": "#A65832", "image": "http://userserve-ak.last.fm/serve/300x300/45729417.jpg", "$area": 218 }, "id": "album-Soup", "name": "Soup" }, { "children": [], "data": { "playcount": "197", "$color": "#AE5032", "image": "http://images.amazon.com/images/P/B00005V5PW.01.MZZZZZZZ.jpg", "$area": 197 }, "id": "album-Classic Masters", "name": "Classic Masters" }, { "children": [], "data": { "playcount": "194", "$color": "#B04E32", "image": "http://userserve-ak.last.fm/serve/300x300/15157989.jpg", "$area": 194 }, "id": "album-Blind Melon", "name": "Blind Melon" } ], "data": { "playcount": 856, "$area": 856 }, "id": "artist_Blind Melon", "name": "Blind Melon" }, { "children": [ { "children": [], "data": { "playcount": "537", "$color": "#24DA32", "image": "http://userserve-ak.last.fm/serve/300x300/17594883.jpg", "$area": 537 }, "id": "album-Make Yourself", "name": "Make Yourself" }, { "children": [], "data": { "playcount": "258", "$color": "#966832", "image": "http://userserve-ak.last.fm/serve/300x300/31550385.jpg", "$area": 258 }, "id": "album-Light Grenades", "name": "Light Grenades" }, { "children": [], "data": { "playcount": "181", "$color": "#B54932", "image": "http://userserve-ak.last.fm/serve/300x300/32309285.jpg", "$area": 181 }, "id": "album-Morning View", "name": "Morning View" } ], "data": { "playcount": 976, "$area": 976 }, "id": "artist_Incubus", "name": "Incubus" }, { "children": [ { "children": [], "data": { "playcount": "198", "$color": "#AE5032", "image": "http://userserve-ak.last.fm/serve/300x300/8599099.jpg", "$area": 198 }, "id": "album-On And On", "name": "On And On" }, { "children": [], "data": { "playcount": "186", "$color": "#B34B32", "image": "http://userserve-ak.last.fm/serve/300x300/30082075.jpg", "$area": 186 }, "id": "album-Brushfire Fairytales", "name": "Brushfire Fairytales" } ], "data": { "playcount": 384, "$area": 384 }, "id": "artist_Jack Johnson", "name": "Jack Johnson" }, { "children": [ { "children": [], "data": { "playcount": "349", "$color": "#718D32", "image": "http://userserve-ak.last.fm/serve/300x300/21881921.jpg", "$area": 349 }, "id": "album-Mother Love Bone", "name": "Mother Love Bone" } ], "data": { "playcount": 349, "$area": 349 }, "id": "artist_Mother Love Bone", "name": "Mother Love Bone" } ], "data": {}, "id": "root", "name": "Top Albums" }; //end //init TreeMap var tm = new $jit.TM.Squarified({ //where to inject the visualization injectInto: 'infovis', //parent box title heights titleHeight: 15, //enable animations animate: animate, //box offsets offset: 1, //Attach left and right click events Events: { enable: true, onClick: function(node) { if(node) tm.enter(node); }, onRightClick: function() { tm.out(); } }, duration: 1000, //Enable tips Tips: { enable: true, //add positioning offsets offsetX: 20, offsetY: 20, //implement the onShow method to //add content to the tooltip when a node //is hovered onShow: function(tip, node, isLeaf, domElement) { var html = "
" + node.name + "
"; var data = node.data; if(data.playcount) { html += "play count: " + data.playcount; } if(data.image) { html += ""; } tip.innerHTML = html; } }, //Add the name of the node in the correponding label //This method is called once, on label creation. onCreateLabel: function(domElement, node){ domElement.innerHTML = node.name; var style = domElement.style; style.display = ''; style.border = '1px solid transparent'; domElement.onmouseover = function() { style.border = '1px solid #9FD4FF'; }; domElement.onmouseout = function() { style.border = '1px solid transparent'; }; } }); tm.loadJSON(json); tm.refresh(); //end //add events to radio buttons var sq = $jit.id('r-sq'), st = $jit.id('r-st'), sd = $jit.id('r-sd'); var util = $jit.util; util.addEvent(sq, 'change', function() { if(!sq.checked) return; util.extend(tm, new $jit.Layouts.TM.Squarified); tm.refresh(); }); util.addEvent(st, 'change', function() { if(!st.checked) return; util.extend(tm, new $jit.Layouts.TM.Strip); tm.layout.orientation = "v"; tm.refresh(); }); util.addEvent(sd, 'change', function() { if(!sd.checked) return; util.extend(tm, new $jit.Layouts.TM.SliceAndDice); tm.layout.orientation = "v"; tm.refresh(); }); //add event to the back button var back = $jit.id('back'); $jit.util.addEvent(back, 'click', function() { tm.out(); }); }