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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| margin: auto; | |
| position: relative; | |
| width: 960px; | |
| } | |
| svg { | |
| height: 100%; | |
| width: 100%; | |
| } | |
| form { | |
| position: absolute; | |
| right: 10px; | |
| top: 10px; | |
| } | |
| a { | |
| color: #333; | |
| text-decoration: none; | |
| } | |
| a:hover { | |
| text-decoration: underline; | |
| } | |
| a:visited { | |
| color: #333; | |
| } | |
| #loading { | |
| fill: #ccc; | |
| } | |
| .metadata { | |
| color: #666; | |
| font-size: 80%; | |
| text-align: right; | |
| } | |
| .node { | |
| border: solid 1px white; | |
| font: 10px sans-serif; | |
| line-height: 12px; | |
| overflow: hidden; | |
| position: absolute; | |
| text-indent: 2px; | |
| } | |
| </style> | |
| <form> | |
| <label><input type="checkbox" name="trilogy"> 御三家を含める</label> | |
| <label><input type="radio" name="mode" value="questions" checked> 総質問数</label> | |
| <label><input type="radio" name="mode" value="answers"> 総回答数</label> | |
| <label><input type="radio" name="mode" value="posts"> 総投稿数</label> | |
| <label><input type="radio" name="mode" value="percent_answered"> 回答率</label> | |
| <label><input type="radio" name="mode" value="users"> ユーザー数</label> | |
| <label><input type="radio" name="mode" value="questions_per_day"> 質問数/日</label> | |
| <label><input type="radio" name="mode" value="visits_per_day"> 訪問数/日</label> | |
| <label><input type="radio" name="mode" value="age"> 運営日数</label> | |
| <div class="metadata"> | |
| <span class="mode"></span> - | |
| <span class="date"> </span> | |
| </div> | |
| </form> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/colorbrewer.v1.min.js"></script> | |
| <script> | |
| var margin = {top: 60, right: 10, bottom: 10, left: 10}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var sizeKey = "questions", | |
| includeTrilogy = false; | |
| function getSize(d) { | |
| if (trilogy[d.name] && !includeTrilogy) { | |
| return 0; | |
| } | |
| return d[sizeKey]; | |
| } | |
| var treemap = d3.layout.treemap() | |
| .size([width, height]) | |
| .sticky(true) | |
| .value(getSize); | |
| var div = d3.select("body").append("div") | |
| .style("position", "relative") | |
| .style("width", (width + margin.left + margin.right) + "px") | |
| .style("height", (height + margin.top + margin.bottom) + "px") | |
| .style("left", margin.left + "px") | |
| .style("top", margin.top + "px"); | |
| var trilogy = { | |
| "Stack Overflow": true, | |
| "Server Fault": true, | |
| "Super User": true | |
| }; | |
| var pinned = "ja-stackoverflow"; | |
| var red = d3.rgb(255, 96, 96); | |
| div.append("svg") | |
| .selectAll("#loading") | |
| .data([1]) | |
| .enter() | |
| .append("circle") | |
| .attr("cx", "50%") | |
| .attr("cy", "50%") | |
| .attr("id", "loading"); | |
| animateGrowingCircle("#loading", 10, 20)(); | |
| d3.json("sesites.json", function(error, sesites) { | |
| div.select("svg").remove(); | |
| d3.select(".date").text(new Date(sesites.creation_date)); | |
| d3.select(".mode").text(sizeKey); | |
| var categories = {}; | |
| var now = (new Date().getTime()) / 1000, | |
| day = 60 * 60 * 24; | |
| sesites.items.forEach(function(each) { | |
| each.posts = each.questions + each.answers; | |
| each.age = Math.ceil((now - each.creation_date) / day); | |
| categories[each.category] = categories[each.category] || []; | |
| categories[each.category].push(each); | |
| }); | |
| var root = {name: "sesites", children: []}; | |
| for (var category in categories) { | |
| root.children.push({name: category, children: categories[category]}); | |
| } | |
| var color = d3.scale.ordinal().domain(Object.keys(categories)).range(colorbrewer.Pastel2[Object.keys(categories).length]); | |
| var node = div.datum(root).selectAll(".node") | |
| .data(treemap.nodes) | |
| .enter().append("div") | |
| .attr("class", "node") | |
| .call(position) | |
| .style("background", function(d) { | |
| if (pinned === d.slug) { | |
| return red; | |
| } | |
| return d.children ? color(d.name) : null; }); | |
| node | |
| .append("a") | |
| .attr("href", function(d) { return d.url; }); | |
| node | |
| .each(setTitle); | |
| function redraw() { | |
| d3.select(".mode").text(sizeKey); | |
| node | |
| .data(treemap.value(getSize).nodes) | |
| .transition() | |
| .duration(1500) | |
| .call(position) | |
| .each("end", setTitle); | |
| } | |
| d3.selectAll("input[name=mode]").on("change", function change() { | |
| sizeKey = this.value; | |
| redraw(); | |
| }); | |
| d3.selectAll("input[name=trilogy]").on("change", function change() { | |
| includeTrilogy = this.checked; | |
| redraw(); | |
| }); | |
| }); | |
| function setTitle(d) { | |
| var title = d.children ? null : d.name + ': ' + round(d[sizeKey]); | |
| d3.select(this) | |
| .attr("title", title) | |
| .select("a") | |
| .text(title) | |
| } | |
| function round(value) { | |
| if (isInt(value)) { | |
| return value; | |
| } | |
| return value.toFixed(2); | |
| } | |
| function isInt(n) { | |
| return n % 1 === 0; | |
| } | |
| function position() { | |
| this.style("left", function(d) { return d.x + "px"; }) | |
| .style("top", function(d) { return d.y + "px"; }) | |
| .style("width", function(d) { return Math.max(0, d.dx - 1) + "px"; }) | |
| .style("height", function(d) { return Math.max(0, d.dy - 1) + "px"; }); | |
| } | |
| // http://snips.net/blog/posts/2014/01-10-fast-interactive_prototyping_with_d3_js.html | |
| function animateGrowingCircle(selector, fromRadius, toRadius) { | |
| var animateFunction = function () { | |
| var target = d3.select(selector); | |
| if (!target.empty()) { | |
| target | |
| .attr('r', fromRadius) | |
| .transition() | |
| .duration(1000) | |
| .attr('r', toRadius) | |
| .transition() | |
| .duration(1000) | |
| .attr('r', fromRadius) | |
| .each('end', animateFunction); | |
| } | |
| }; | |
| return animateFunction; | |
| } | |
| </script> |
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| function getClassSuffix(item, prefix) { | |
| for (var i = 0; i < item.classList.length; i++) { | |
| if (item.classList[i].indexOf(prefix) == 0) { | |
| return item.classList[i].substring(prefix.length); | |
| } | |
| } | |
| } | |
| function getCategory(item) { | |
| return getClassSuffix(item, 'category-'); | |
| } | |
| function getSlug(item) { | |
| return getClassSuffix(item, 'site-'); | |
| } | |
| var sesites = $('.lv-item').map(function() { | |
| var $this = $(this); | |
| return { | |
| category: getCategory(this), | |
| slug: getSlug(this), | |
| url: $this.find('.lv-info h2 a').attr('href'), | |
| description: $this.find('.lv-info .lv-description').text(), | |
| name: $this.find('[name=name]').val(), | |
| creation_date: parseInt($this.find('[name=creation-date]').val()), | |
| questions: parseInt($this.find('[name=questions]').val()), | |
| answers: parseInt($this.find('[name=answers]').val()), | |
| percent_answered: parseFloat($this.find('[name=percent-answered]').val()), | |
| users: parseInt($this.find('[name=users]').val()), | |
| visits_per_day: parseFloat($this.find('[name=visits-per-day]').val()), | |
| questions_per_day: parseFloat($this.find('[name=questions-per-day]').val()), | |
| } | |
| }).toArray(); | |
| console.log(JSON.stringify({ | |
| items: sesites, | |
| creation_date: new Date().getTime() | |
| })); |
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