%PDF-
%PDF-
Mini Shell
Mini Shell
/*=========================================================================================
File Name: stacked-to-multiples.js
Description: D3 stacked to multiples chart
----------------------------------------------------------------------------------------
Item Name: Modern Admin - Clean Bootstrap 4 Dashboard HTML Template
Version: 1.0
Author: PIXINVENT
Author URL: http://www.themeforest.net/user/pixinvent
==========================================================================================*/
// Stacked to multiples chart
// ------------------------------
$(window).on("load", function(){
var ele = d3.select("#stacked-to-multiples"),
margin = {top: 20, right: 20, bottom: 30, left: 60},
width = ele.node().getBoundingClientRect().width - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
// Format data
var parseDate = d3.time.format("%Y-%m").parse,
formatYear = d3.format("02d"),
formatDate = function(d) { return "Q" + ((d.getMonth() / 3 | 0) + 1) + formatYear(d.getFullYear() % 100); };
// Initialize Scales
// ------------------------------
var y0 = d3.scale.ordinal()
.rangeRoundBands([height, 0], .2);
var y1 = d3.scale.linear();
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1, 0);
// Initialize Axis
// ------------------------------
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
.tickFormat(formatDate);
// Chart
var nest = d3.nest()
.key(function(d) { return d.group; });
var stack = d3.layout.stack()
.values(function(d) { return d.values; })
.x(function(d) { return d.date; })
.y(function(d) { return d.value; })
.out(function(d, y0) { d.valueOffset = y0; });
var color = d3.scale.ordinal()
.range(["#99B898", "#FECEA8", "#FF847C", "#E84A5F"]);
var container = ele.append("svg");
var svg = container
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// Load data
// ------------------------------
d3.tsv("../../../app-assets/data/d3/bar/stacked-to-multiples.tsv", function(error, data) {
if (error) throw error;
data.forEach(function(d) {
d.date = parseDate(d.date);
d.value = +d.value;
});
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.value; })]).range([y0.rangeBand(), 0]);
var group = svg.selectAll(".d3-bar-group")
.data(dataByGroup)
.enter().append("g")
.attr("class", "d3-bar-group")
.attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
group.append("text")
.attr("class", "d3-group-label")
.attr("x", -60)
.attr("y", function(d) { return y1(d.values[0].value / 2); })
.attr("dy", ".35em")
.text(function(d) { return "Group " + d.key; });
group.selectAll(".d3-bar")
.data(function(d) { return d.values; })
.enter().append("rect")
.attr("class", "d3-bar")
.style("fill", function(d) { return color(d.group); })
.attr("x", function(d) { return x(d.date); })
.attr("y", function(d) { return y1(d.value); })
.attr("width", x.rangeBand())
.attr("height", function(d) { return y0.rangeBand() - y1(d.value); });
group.filter(function(d, i) { return !i; }).append("g")
.attr("class", "d3-axis d3-xaxis")
.attr("transform", "translate(0," + y0.rangeBand() + ")")
.call(xAxis);
d3.selectAll(".smradio").on("change", change);
var timeout = setTimeout(function() {
d3.select("input[value=\"stacked\"]").property("checked", true).each(change);
}, 2000);
function change() {
clearTimeout(timeout);
if (this.value === "multiples") transitionMultiples();
else transitionStacked();
}
function transitionMultiples() {
var t = svg.transition().duration(750),
g = t.selectAll(".d3-bar-group").attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
g.selectAll(".d3-bar").attr("y", function(d) { return y1(d.value); });
g.select(".d3-group-label").attr("y", function(d) { return y1(d.values[0].value / 2); });
}
function transitionStacked() {
var t = svg.transition().duration(750),
g = t.selectAll(".d3-bar-group").attr("transform", "translate(0," + y0(y0.domain()[0]) + ")");
g.selectAll(".d3-bar").attr("y", function(d) { return y1(d.value + d.valueOffset); });
g.select(".d3-group-label").attr("y", function(d) { return y1(d.values[0].value / 2 + d.values[0].valueOffset); });
}
});
// Resize chart
// ------------------------------
// Call function on window resize
$(window).on('resize', resize);
// Call function on sidebar width change
$('.menu-toggle').on('click', resize);
// Resize function
// ------------------------------
function resize() {
width = ele.node().getBoundingClientRect().width - margin.left - margin.right;
// Main svg width
container.attr("width", width + margin.left + margin.right);
// Width of appended group
svg.attr("width", width + margin.left + margin.right);
// Axis
// -------------------------
x.rangeRoundBands([0, width], .1, 0);
svg.selectAll('.d3-xaxis').call(xAxis);
svg.selectAll('.d3-bar').attr("x", function(d) { return x(d.date); }).attr("width", x.rangeBand());
}
});
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