D3 Examples - When Same-Day FP+ Runs Out by Crowd Level at MK

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<!DOCTYPE html>
<meta charset="utf-8">
  <head>
    <link href='https://fonts.googleapis.com/css?family=Josefin+Sans' rel='stylesheet' type='text/css'>
<style>
​
body {
    margin:auto;
    font-family: 'Josefin Sans', sans-serif;
    font-size:100%;
}
​
text {
    font-family: 'Josefin Sans', sans-serif;
}
​
</style>
​
​
​
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="dataIn.js"></script>
<script>
​
var FpChart = function(opts) {
​
    this.elementId = opts.elementId;
​
    this.height = opts.height || 500;
    this.width =  opts.width || 960;
    this.margin = opts.margin || {top:10,left:50,bottom:30,right:10};
​
    this.s = {};
​
    this.prepData(opts.data);
    this.setScales();
    this.setAxes(); 
    this.setGrids()
​
    this.draw()
    this.drawGrids();
    this.drawAxes();
    this.drawBars();
    this.drawLabels(opts.data);
    this.drawToggle();
    this.drawLegend();
​
    var _this = this;
​
    var counter = 0;
    this.timer = d3.interval(function(elapsed) { 
        if(counter == 0) _this.toggleCrowdLevel({key:"med"});
        if(counter == 1) _this.toggleCrowdLevel({key:"high"});
        if(counter == 2) _this.toggleCrowdLevel({key:"low"});
        counter++;
        if(counter == 3) counter = 0; 
​
    },2000)
​
}
​
FpChart.prototype.setGrids = function() {
​
    this.grid = {};
​
    this.grid.y = d3.axisTop(this.scale.time)
        .tickSizeInner(-this.height)
        .tickFormat("");
}
​
FpChart.prototype.drawGrids = function() {
​
    this.s.chart.append("g")
        .call(this.grid.y)
        .each(function(d) {
                d3.select(this)
                    .style("opacity", .15)
                    .select(".domain")
                    .style("display","none")
        })
}
​
FpChart.prototype.toggleCrowdLevel = function(d) {
    var cl = d.key,
        _this = this;
    this.s.bars.transition()
        .duration(1000)
        .attr("x", function(d) { return _this.scale.time(d.crowdLevel[cl].start)})
        .attr("width",function(d) { return _this.scale.time(d.crowdLevel[cl].end) - _this.scale.time(d.crowdLevel[cl].start) });
​
​
    this.s.slider.transition()
        .duration(1000)
        .attr("transform","translate(" + (this.width + 10) + "," + _this.scale.toggle(cl) +")");
​
​
}
​
FpChart.prototype.drawLegend = function() {
    var _this = this;
    var legend = this.s.chart.append("g").attr("transform","translate(" + (this.width + 10) + ",0)")
        .selectAll(".legend")
        .data(this.legendData)
        .enter()
        .append("g")
        .attr("transform",function(d) { return "translate(0," + _this.scale.legend(d.key) + ")" })
​
    legend.append("rect")
        .attr("height", this.scale.legend.bandwidth())
        .attr("width", 100)
        .style("fill", function(d) { return _this.scale.color(d.key)})
        .style("fill-opacity",.65)
        .style("stroke", function(d) { return _this.scale.color(d.key)})
        .style("stroke-width",2)
​
    legend.append("text")
        .style("text-anchor","middle")
        .text(function(d) { return d.value;})
        .attr("x", (legend.select("rect").attr("width"))/2)
        .attr("y", this.scale.legend.bandwidth()/2 + 1.5)
        .attr("dy",".3em")
        .style("fill","black")
​
    this.s.chart.append("text")
        .attr("transform","translate(" + (this.width + 10 + (+legend.select("rect").attr("width"))/2) + "," +
            this.height*(2.8/10) + ")")
        .style("text-anchor","middle")
        .style("font-weight","bold")
        .text("Availability")
​
    this.s.chart.append("text")
        .attr("x",this.width + 10 + (legend.select("rect").attr("width"))/2)
        .attr("y",  this.height*(2.4/10) )
        .style("text-anchor","middle")
        .style("font-weight","bold")
        .text("FastPass")
​
}
​
​
FpChart.prototype.drawToggle = function() {
    var _this = this;
​
    this.s.toggles = this.s.chart.append("g").attr("transform","translate(" + (this.width + 10) + ",0)")
        .selectAll(".toggle")
        .data(this.toggleData)
        .enter()
        .append("g")
        .attr("transform",function(d) { return "translate(0," + _this.scale.toggle(d.key) + ")" })
        .style("cursor","pointer")
        .on("click", function(d) { 
            _this.timer.stop();
            _this.toggleCrowdLevel(d);})
​
    this.s.toggles.append("rect")
        .attr("height", this.scale.toggle.bandwidth())
        .attr("width", 100)
        .style("fill", "white")
        .style("stroke","gray");
​
    this.s.toggles.append("text")
        .style("text-anchor","middle")
        .text(function(d) { return d.value;})
        .attr("x", (+this.s.toggles.select("rect").attr("width"))/2)
        .attr("y", this.scale.toggle.bandwidth()/2 + 1.5)
        .attr("dy",".3em")
        .style("fill","black")
​
    this.s.slider = this.s.chart.append("g")
        .attr("transform","translate(" + (this.width + 10) + "," + _this.scale.toggle("low") +")");
​
    this.s.slider.append("rect")
        .attr("width", +this.s.toggles.select("rect").attr("width"))
        .attr("height", +this.s.toggles.select("rect").attr("height"))
        .style("stroke","black")
        .style("stroke-width", 4)
        .style("fill","none")
​
    this.s.chart.append("text")
        .attr("transform","translate(" + (this.width + 10 + (+this.s.toggles.select("rect").attr("width"))/2) + "," +
            this.height*(6.8/10) + ")")
        .style("text-anchor","middle")
        .style("font-weight","bold")
        .text("Level")
​
    this.s.chart.append("text")
        .attr("x",this.width + 10 + (+this.s.toggles.select("rect").attr("width"))/2)
        .attr("y",  this.height*(6.4/10) )
        .style("text-anchor","middle")
        .style("font-weight","bold")
        .text("Crowd")
​
}
​
FpChart.prototype.drawLabels = function(data) {
    var _this = this;
​
    this.s.chart.selectAll(".label")
        .data(data)
        .enter()
        .append("text")
        .attr("y", function(d) { return _this.scale.attraction(d.attraction) + _this.scale.attraction.bandwidth()/2})
        .attr("x",10)
        .text(function(d) { return d.attraction})
        .style("text-anchor","start")
        .attr("dy", ".37em")
        .style("fill", "black")
        .style("font-size",".78em")
}
​
FpChart.prototype.drawBars = function() {
    var _this = this;
​
    this.s.bars = this.s.chart.selectAll(".attraction")
        .data(this.data)
        .enter()
        .append("rect")
        .attr("x", function(d) { return _this.scale.time(d.crowdLevel.low.start)})
        .attr("y", function(d) { return _this.scale.attraction(d.attraction)})
        .attr("height", _this.scale.attraction.bandwidth())
        .attr("width",function(d) { return _this.scale.time(d.crowdLevel.low.end) - _this.scale.time(d.crowdLevel.low.start) })
        .style("fill", function(d) { return _this.scale.color(d.status)})
        .style("stroke",function(d) { return _this.scale.color(d.status)})
        .style("stroke-width",2)
        .style("fill-opacity",.6)
​
}
​
FpChart.prototype.draw = function() {
​
    this.s.svg = d3.select("#" + this.elementId)
        .append("svg")
        .attr("height", this.height + this.margin.top + this.margin.bottom)
        .attr("width", this.width + this.margin.left + this.margin.right)
        .style("-webkit-user-select","none")
        .style("cursor","default");
        
    this.s.chart = this.s.svg.append("g")
        .attr("transform","translate(" + this.margin.left + "," + this.margin.top + ")");
​
​
}
​
​
FpChart.prototype.drawAxes = function() {
​
    this.s.axis = {};
    this.s.axis.bottom = this.s.chart.append("g").attr("transform","translate(0," + (this.height+2) + ")")
        .call(this.axis.bottom);
    this.s.axis.top = this.s.chart.append("g").attr("transform","translate(0,-2)").call(this.axis.top);
​
}
​
FpChart.prototype.setAxes = function() {
    this.axis = {};
    this.axis.bottom = d3.axisBottom(this.scale.time).tickFormat(d3.timeFormat('%I:%M %p'));
    this.axis.top = d3.axisTop(this.scale.time).tickFormat(d3.timeFormat('%I:%M %p'));
}
​
FpChart.prototype.setScales = function() {
    this.scale = {};
    this.scale.color = d3.scaleOrdinal()
        .domain(["available","runningOut","gone"])
        .range(["#5cb85c","#f0ad4e","#d9534f"]);
​
    this.scale.attraction = d3.scaleBand()
        .domain(this.data.map(function(d) { return d.attraction}))
        .range([0, this.height])
        .padding(.23);
​
    this.scale.time = d3.scaleTime()
        .domain([new Date(2017, 7, 4, 9, 0, 0, 0),new Date(2017, 7, 4, 22, 0, 0, 0)])
        .range([0,this.width]);
​
    this.scale.toggle = d3.scaleBand()
        .domain(this.toggleData.map(function(d) { return d.key}))
        .range([this.height*(7/10), this.height*(9/10)])
​
    this.scale.legend = d3.scaleBand()
        .domain(this.scale.color.domain())
        .range([this.height*(3/10), this.height*(5/10)])
        .padding(.1)
}
​
FpChart.prototype.prepData = function(data) {
    var _this = this;
    this.data = [];
​
    data.forEach(function(d){
        ["available","runningOut","gone"].forEach(function(e) {
            var o = {attraction:d.attraction, status:e, crowdLevel: {low:{},med:{},high:{}}};
            if(e == "available") {
                o.crowdLevel.low.start = new Date(2017, 7, 4, 9, 0, 0, 0);
                o.crowdLevel.med.start = new Date(2017, 7, 4, 9, 0, 0, 0);
                o.crowdLevel.high.start = new Date(2017, 7, 4, 9, 0, 0, 0);
                o.crowdLevel.low.end = !d.lowStart ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.lowStart, 0, 0, 0);
                o.crowdLevel.med.end = !d.medStart ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.medStart, 0, 0, 0);
                o.crowdLevel.high.end = !d.highStart ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.highStart, 0, 0, 0);
            } else if (e == "runningOut") {
                o.crowdLevel.low.start = !d.lowStart ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.lowStart, 0, 0, 0);
                o.crowdLevel.med.start = !d.medStart ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.medStart, 0, 0, 0);
                o.crowdLevel.high.start = !d.highStart ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.highStart, 0, 0, 0);
                o.crowdLevel.low.end = !d.lowEnd ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.lowEnd, 0, 0, 0);
                o.crowdLevel.med.end = !d.medEnd ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.medEnd, 0, 0, 0);
                o.crowdLevel.high.end = !d.highEnd ? new Date(2017, 7, 4, 9, 0, 0, 0) : new Date(2017, 7, 4, 12 + d.highEnd, 0, 0, 0);
            } else {
                o.crowdLevel.low.start = !d.lowEnd ? new Date(2017, 7, 4, 9, 0, 0, 0): new Date(2017, 7, 4, 12 + d.lowEnd, 0, 0, 0);
                o.crowdLevel.med.start = !d.medEnd ? new Date(2017, 7, 4, 9, 0, 0, 0): new Date(2017, 7, 4, 12 + d.medEnd, 0, 0, 0);
                o.crowdLevel.high.start = !d.highEnd ? new Date(2017, 7, 4, 9, 0, 0, 0): new Date(2017, 7, 4, 12 + d.highEnd, 0, 0, 0);
                o.crowdLevel.low.end = new Date(2017,7,4,22,0,0,0);
                o.crowdLevel.med.end = new Date(2017,7,4,22,0,0,0);
                o.crowdLevel.high.end = new Date(2017,7,4,22,0,0,0);
            }
            _this.data.push(o)
        })
    })
​
    this.toggleData = [
        {key:"low", value:"Low"},
        {key:"med", value:"Medium"},
        {key:"high", value:"High"}
    ];
​
    this.legendData = [
        {key:'available', value:'Available'},
        {key:'runningOut', value:'Running Out'},
        {key:'gone',value:'Gone'}
    ];
}
​
​
    
​
</script>
<body>
<div id="chartDiv"></div>
<script>
​
var fpChart = new FpChart({
        elementId:"chartDiv",
        data:dataIn,
        height:450,
        width:800,
        margin: {top:25,left:30,bottom:25,right:130}
    })
​
​
​
</script>
    