D3 Examples - etape5

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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;
}
​
text {
  font: 10px sans-serif;
}
​
.axis path {
  display: none;
}
​
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
​
.group-label {
  font-weight: bold;
  text-anchor: end;
}
​
form {
  position: absolute;
  right: 10px;
  top: 10px;
}
​
</style>
<form>
  <label><input type="radio" name="mode" value="multiples" checked> Multiples</label>
  <label><input type="radio" name="mode" value="stacked"> Stacked</label>
  <label><input type="radio" name="mode" value="stream"> Stream</label>
</form>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
  var area = d3.svg.area()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y1(function(d) { return y(d.price); });
​
var format = d3.time.format("%b %y").parse;
var margin = {top: 10, right: 20, bottom: 20, left: 60},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
var format = d3.time.format("%b %Y");
var y0 = d3.scale.ordinal()
    .rangeRoundBands([height, 0], .2);
​
var y1 = d3.scale.linear();
var duration = 900,
 delay = 500;
var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1, 0);
​
var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .tickFormat(format);
​
var nest = d3.nest()
    .key(function(d) { return d.symbol; });
var area = d3.svg.area()
    .interpolate("basis")
    .x(function(d) { return x(d.date); })
    .y1(function(d) { return y(d.price); });
var stack = d3.layout.stack()
    .values(function(d) { return d.values; })
    .x(function(d) { return d.date; })
    .y(function(d) { return d.price; })
    .out(function(d, y0) { d.valueOffset = y0; });
​
var color = d3.scale.category10();
​
  
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
​
d3.csv("stocks.csv", function(error, data) {
​
  data.forEach(function(d) {
    d.date = format.parse(d.date);
    d.price = +d.price;
  });
​
  var dataByGroup = nest.entries(data);
​
  stack(dataByGroup);
  x.domain(dataByGroup[0].values.map(function(d) { return d.date; }));
  y0.domain(dataByGroup.map(function(d) { return d.key; }));
  y1.domain([0, d3.max(data, function(d) { return d.price; })]).range([y0.rangeBand(), 0]);
​
  var symbol = svg.selectAll(".symbol")
      .data(dataByGroup)
    .enter().append("g")
      .attr("class", "symbol")
      .attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
​
  symbol.append("text")
      .attr("class", "group-label")
      .attr("x", -6)
      .attr("y", function(d) { return y1(d.values[0].price / 2); })
      .attr("dy", ".35em")
      .text(function(d) { return "Group " + d.key; });
​
  symbol.selectAll("rect")
      .data(function(d) { return d.values; })
    .enter().append("rect")
      .style("fill", function(d) { return color(d.symbol); })
      .attr("x", function(d) { return x(d.date); })
      .attr("y", function(d) { return y1(d.price); })
      .attr("width", x.rangeBand())
      .attr("height", function(d) { return y0.rangeBand() - y1(d.price); });
​
  symbol.filter(function(d, i) { return !i; }).append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + y0.rangeBand() + ")")
      .call(xAxis);
​
  var timeout = setTimeout(function() {
    d3.select("input[value=\"multiples\"]").property("checked", true).each(change);
  }, 2000);
​
  function change() {
    clearTimeout(timeout);
    if (this.value === "multiples") transitionMultiples();
    else if (this.value === "stacked") transitionStacked();
    else chart();
  }
 
​
  
function transitionMultiples() {
    var t = svg.transition().duration(500),
        g = t.selectAll(".symbol").attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
    g.selectAll("rect").attr("y", function(d) { return y1(d.price); });
    g.select(".group-label").attr("y", function(d) { return y1(d.values[0].price / 2); })
    setTimeout(transitionStacked , duration);
  }
​
  
  
function transitionStacked() {
var t = svg.transition().duration(500),
g = t.selectAll(".symbol").attr("transform", "translate(0," + y0(y0.domain()[0]) + ")");
  
g.selectAll("rect").attr("y", function(d) { return y1(d.price + d.valueOffset); });
g.select(".group-label").attr("y", function(d) { return y1(d.values[0].price / 2 + d.values[0].valueOffset); })
    
​
 setTimeout(stream, duration + delay);
  }
  
  
  
function stream() {
var t = svg.transition().duration(500),
g = t.selectAll(".symbol").attr("transform", "translate(0," + y0(y0.domain()[1]) + ")");
  
g.selectAll("rect").attr("y", function(d) { return y1(d.price+d.valueOffset)/2; });
g.select(".group-label").attr("y", function(d) { return y1(d.values[0].price / 2 + d.values[0].valueOffset)/2; })
    
  }
  
  
  
  
  
function chart() {
​
​
var format = d3.time.format("%b %Y");
​
var margin = {top: 20, right: 40, bottom: 30, left: 30};
var width = document.body.clientWidth - margin.left - margin.right;
var height = 400 - margin.top - margin.bottom;
​
var tooltip = d3.select("body")
    .append("div")
    .attr("class", "remove")
    .style("position", "absolute")
    .style("z-index", "20")
    .style("visibility", "hidden")
    .style("top", "30px")
    .style("left", "55px");
​
var x = d3.time.scale()
    .range([0, width]);
​
var y = d3.scale.linear()
    .range([height-10, 0]);
​
​
​
var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .ticks(d3.time.years,1);
​
var yAxis = d3.svg.axis()
    .scale(y);
​
var yAxisr = d3.svg.axis()
    .scale(y);
​
var stack = d3.layout.stack()
    .offset("silhouette")
    .values(function(d) { return d.values; })
    .x(function(d) { return d.date; })
    .y(function(d) { return d.price; });
​
var nest = d3.nest()
    .key(function(d) { return d.symbol; });
​
var area = d3.svg.area()
    .interpolate("cardinal")
    .x(function(d) { return x(d.date); })
    .y0(function(d) { return y(d.y0); })
    .y1(function(d) { return y(d.y0 + d.y); });
​
var svg = d3.select(".chart").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
​
var graph = d3.csv("stocks.csv", function(data) {
  data.forEach(function(d) {
    d.date = format.parse(d.date);
    d.price = +d.price;
  });
​
  var layers = stack(nest.entries(data));
​
  x.domain(d3.extent(data, function(d) { return d.date; }));
  y.domain([0, d3.max(data, function(d) { return d.y0 + d.y; })]);
​
  svg.selectAll(".layer")
      .data(layers)
    .enter().append("path")
      .attr("class", "layer")
      .attr("d", function(d) { return area(d.values); })
      .style("fill", function(d) { return color(d.symbol); })
​
​
  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);
​
  svg.append("g")
      .attr("class", "y axis")
      .attr("transform", "translate(" + width + ", 0)")
      .call(yAxis.orient("right"));
​
​
  svg.selectAll(".layer")
    .attr("opacity", 1)
    .on("mouseover", function(d, i) {
      svg.selectAll(".layer").transition()
      .duration(250)
      .attr("opacity", function(d, j) {
        return j != i ? 0.6 : 1;
    })})
​
    .on("mousemove", function(d, i) {
      mousex = d3.mouse(this);
 
      mousex = mousex[0];
      var invertedx = x.invert(mousex);
      invertedx = invertedx.getYear();
      var selected = (d.values);
      for (var k = 0; k < selected.length; k++) {
        datearray[k] = selected[k].date
        datearray[k] = datearray[k].getYear();
      }
​
      mousedate = datearray.indexOf(invertedx);
      pro = d.values[mousedate].price;
            pro2 = d.values[mousedate].symbol;
      d3.select(this)
      .classed("hover", true)
      .attr("stroke", strokecolor)
      .attr("stroke-width", "0.5px"), 
      tooltip.html( "<p>" + pro2 + "<br>" + pro + "</p>" ).style("visibility", "visible");
      
    })
    .on("mouseout", function(d, i) {
     svg.selectAll(".layer")
      .transition()
      .duration(250)
      .attr("opacity", "1");
      d3.select(this)
      .classed("hover", false)
      .attr("stroke-width", "0px"), tooltip.html( "<p>" + d.symbol + "<br>" + pro + "</p>" ).style("visibility", "hidden");
  })
    
  var vertical = d3.select(".chart")
        .append("div")
        .attr("class", "remove")
        .style("position", "absolute")
        .style("z-index", "19")
        .style("width", "1px")
        .style("height", "380px")
        .style("top", "10px")
        .style("bottom", "30px")
        .style("left", "0px")
        .style("background", "#fff");
​
  d3.select(".chart")
      .on("mousemove", function(){  
         mousex = d3.mouse(this);
         mousex = mousex[0] + 5;
         vertical.style("left", mousex + "px" )})
      .on("mouseover", function(){  
         mousex = d3.mouse(this);
         mousex = mousex[0] + 5;
         vertical.style("left", mousex + "px")});
});
}
​
});
​
</script>
​
    