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@anndoko anndoko/anndo.js
Created Oct 8, 2018

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var dataitems = [];
$(document).ready(function () {
loadData();
wireButtonClickEvents()
filterData();
});
// Loads the CSV file
function loadData() {
// load the demographics.csv file
d3.csv("data/candy-data.csv", function (d){
dataitems = d;
visualizeData(sortData(dataitems, SORTING));
// Filters???
});
}
// ---------- FILTERING ----------
// function collectFilters () {
//
// // Set up filters
// var filters = [];
//
// // If this filter is checked, add it to the array
// d3.selectAll(".myCheckbox").each(function (d) {
// cb = d3.select(this);
// if(cb.property("checked")){
// filters.push(cb.property("value"));
// }
// });
//
// return filters;
// }
function filterData(){
d3.selectAll(".myCheckbox").on("change", function (d) {
cb = d3.select(this);
// If the box is checked,
if(cb.property("checked")){
// filter the data using that criteria
var filteredData = dataitems.filter(function(d){
if(d[cb.property("value")]==1){
return d;
}
});
// Clear the chart
$("#chart").empty();
// Visualize the bar chart again
visualizeData(sortData(filteredData, SORTING));
}
});
}
// ---------- SORTING ----------
// Sorting buttons
var SORTING = "winpercent";
function wireButtonClickEvents() {
// SORTING
d3.selectAll("#sorting .button").on("click", function () {
SORTING = d3.select(this).attr("data-val");
d3.select("#sorting .current").classed("current", false);
d3.select(this).classed("current", true);
$("#chart").empty();
visualizeData(sortData(dataitems, SORTING));
});
}
function sortData(data, option){
switch (option) {
case "winpercent": data.sort(function(a, b){return b.winpercent - a.winpercent}); break;
case "price": data.sort((a, b) => b.pricepercent - a.pricepercent); break;
case "sugar-content": data.sort((a, b) => b.sugarpercent - a.sugarpercent); break;
}
return data;
}
// ---------- BAR CHART ----------
function visualizeData(dataitems) {
// set up margin/width/height
var margin = { top: 100, right: 100, bottom: 200, left: 100 },
width = 1200 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
// x
var x = d3.scaleBand()
.domain(dataitems.map(function (d) { return d.competitorname; }))
.range([0, width])
.padding(0.1);
// y
var y = d3.scaleLinear()
.domain([0, d3.max(dataitems, function (d) {
switch (SORTING) {
case "winpercent": return d.winpercent; break;
case "price": return d.pricepercent; break;
case "sugar-content": return d.sugarpercent; break;
}
})])
.range([height, 0]);
// add svg
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 + ")");
// add the x Axis
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x))
.selectAll("text")
.style("text-anchor", "end")
.transition()
.delay((d, i) => i * 20)
.attr("dx", "-.8em")
.attr("dy", ".15em")
.attr("transform", "rotate(-50)");
// add the y Axis
svg.append("g")
.call(d3.axisLeft(y));
}
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