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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 ); } });