%PDF- %PDF-
| Direktori : /home/opti/workflow/src/public/app-assets/js/scripts/charts/d3/bar/ |
| Current File : /home/opti/workflow/src/public/app-assets/js/scripts/charts/d3/bar/waterfall.js |
/*=========================================================================================
File Name: waterfall.js
Description: D3 waterfall chart
----------------------------------------------------------------------------------------
Item Name: Modern Admin - Clean Bootstrap 4 Dashboard HTML Template
Version: 1.0
Author: PIXINVENT
Author URL: http://www.themeforest.net/user/pixinvent
==========================================================================================*/
// Waterfall chart
// ------------------------------
$(window).on("load", function(){
var ele = d3.select("#waterfall"),
margin = {top: 20, right: 20, bottom: 30, left: 50},
width = ele.node().getBoundingClientRect().width - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
padding = 0.3;
// Initialize Scales
// ------------------------------
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], padding);
var y = d3.scale.linear()
.range([height, 0]);
// Initialize Axis
// ------------------------------
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(function(d) { return dollarFormatter(d); });
// Chart
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.csv("../../../app-assets/data/d3/bar/waterfall.csv", type, function(error, data) {
if (error) throw error;
// Transform data (i.e., finding cumulative values and total) for easier charting
var cumulative = 0;
for (var i = 0; i < data.length; i++) {
data[i].start = cumulative;
cumulative += data[i].value;
data[i].end = cumulative;
data[i].class = ( data[i].value >= 0 ) ? 'positive' : 'negative';
}
data.push({
name: 'Total',
end: cumulative,
start: 0,
class: 'total'
});
x.domain(data.map(function(d) { return d.name; }));
y.domain([0, d3.max(data, function(d) { return d.end; })]);
svg.append("g")
.attr("class", "d3-axis d3-xaxis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "d3-axis d3-yaxis")
.call(yAxis);
var bar = svg.selectAll(".d3-bar")
.data(data)
.enter().append("g")
.attr("class", function(d) { return "d3-bar " + d.class; })
.attr("transform", function(d) { return "translate(" + x(d.name) + ",0)"; });
bar.append("rect")
.attr("y", function(d) { return y( Math.max(d.start, d.end) ); })
.attr("height", function(d) { return Math.abs( y(d.start) - y(d.end) ); })
.attr("width", x.rangeBand());
bar.append("text")
.attr("x", x.rangeBand() / 2)
.attr("y", function(d) { return y(d.end) + 5; })
.attr("dy", function(d) { return ((d.class=='negative') ? '-' : '') + ".75em"; })
.text(function(d) { return dollarFormatter(d.end - d.start);});
bar.filter(function(d) { return d.class != "total"; }).append("line")
.attr("class", "d3-connector")
.attr("x1", x.rangeBand() + 5 )
.attr("y1", function(d) { return y(d.end); } )
.attr("x2", x.rangeBand() / ( 1 - padding) - 5 )
.attr("y2", function(d) { return y(d.end); } );
});
function type(d) {
d.value = +d.value;
return d;
}
function dollarFormatter(n) {
n = Math.round(n);
var result = n;
if (Math.abs(n) > 1000) {
result = Math.round(n/1000) + 'K';
}
return '$' + result;
}
// 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], padding);
svg.selectAll('.d3-xaxis').call(xAxis);
svg.selectAll(".d3-bar").attr("transform", function(d) { return "translate(" + x(d.name) + ",0)"; });
svg.selectAll(".d3-bar rect").attr("width", x.rangeBand());
svg.selectAll(".d3-bar text").attr("x", x.rangeBand() / 2);
svg.selectAll(".d3-connector").attr("x1", x.rangeBand() + 5 ).attr("x2", x.rangeBand() / ( 1 - padding) - 5 );
}
});