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const data = waf_chart; |
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|
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async function drawLineChart(dataset) { |
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const attacksAccessor = (d) => d.attacks; |
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const blockedAccessor = (d) => d.blocked; |
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const biggerAccessor = (d) => |
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d.attacks > d.blocked ? d.attacks : d.blocked; |
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const dateParser = d3.timeParse("%Y-%m-%d"); |
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const xAccessor = (d) => dateParser(d.date); |
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|
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const chartWrapper = document.getElementById('line-chart') |
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let dimensions = { |
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width: chartWrapper.offsetWidth, |
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height: 251, |
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margin: { |
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top: 15, |
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right: 15, |
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bottom: 40, |
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left: 60, |
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}, |
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}; |
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dimensions.boundedWidth = |
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dimensions.width - dimensions.margin.left - dimensions.margin.right; |
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dimensions.boundedHeight = |
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dimensions.height - dimensions.margin.top - dimensions.margin.bottom; |
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|
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const wrapper = d3 |
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.select("#line-chart") |
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.append("svg") |
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.attr("width", dimensions.width) |
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.attr("height", dimensions.height); |
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|
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const bounds = wrapper |
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.append("g") |
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.style( |
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"transform", |
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`translate(${dimensions.margin.left - 10}px, ${ |
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dimensions.margin.top |
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}px)` |
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); |
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|
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const yScale = d3 |
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.scaleLinear() |
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.domain(d3.extent(dataset, biggerAccessor)) |
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.range([dimensions.boundedHeight, 0]); |
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const xScale = d3 |
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.scaleTime() |
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.domain(d3.extent(dataset, xAccessor)) |
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.range([0, dimensions.boundedWidth]); |
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|
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function make_y_gridlines() { |
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return d3.axisLeft(yScale).ticks(5); |
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} |
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|
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bounds |
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.append("g") |
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.attr("class", "grid") |
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.call( |
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make_y_gridlines().tickSize(-dimensions.boundedWidth).tickFormat("") |
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); |
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|
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const area1 = d3 |
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.area() |
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.x((d) => xScale(xAccessor(d))) |
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.y0(dimensions.height) |
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.y1((d) => yScale(attacksAccessor(d))); |
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|
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const area2 = d3 |
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.area() |
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.x((d) => xScale(xAccessor(d))) |
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.y0(dimensions.height) |
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.y1((d) => yScale(blockedAccessor(d))); |
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|
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bounds |
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.append("linearGradient") |
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.attr("id", "area-gradient1") |
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.attr("gradientUnits", "userSpaceOnUse") |
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.attr("x1", 0) |
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.attr("y1", yScale(0)) |
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.attr("x2", 0) |
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.attr("y2", yScale(100)) |
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.selectAll("stop") |
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.data([ |
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{ offset: "0%", color: "#d46c6a", opacity: 0 }, |
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{ offset: "100%", color: "#d46c6a", opacity: 0.6 }, |
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]) |
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.enter() |
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.append("stop") |
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.attr("offset", function (d) { |
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return d.offset; |
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}) |
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.attr("stop-color", function (d) { |
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return d.color; |
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}) |
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.attr("stop-opacity", function (d) { |
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return d.opacity; |
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}); |
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|
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bounds |
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.append("linearGradient") |
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.attr("id", "area-gradient2") |
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.attr("gradientUnits", "userSpaceOnUse") |
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.attr("x1", 0) |
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.attr("y1", yScale(0)) |
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.attr("x2", 0) |
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.attr("y2", yScale(100)) |
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.selectAll("stop") |
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.data([ |
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{ offset: "0%", color: "#bace3d", opacity: 0 }, |
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{ offset: "100%", color: "#bace3d", opacity: 0.6 }, |
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]) |
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.enter() |
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.append("stop") |
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.attr("offset", function (d) { |
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return d.offset; |
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}) |
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.attr("stop-color", function (d) { |
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return d.color; |
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}) |
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.attr("stop-opacity", function (d) { |
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return d.opacity; |
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}); |
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|
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const lineGenerator1 = d3 |
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.line() |
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.x((d) => xScale(xAccessor(d))) |
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.y((d) => yScale(attacksAccessor(d))); |
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const lineGenerator2 = d3 |
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.line() |
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.x((d) => xScale(xAccessor(d))) |
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.y((d) => yScale(attacksAccessor(d))); |
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|
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const line1 = bounds |
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.append("path") |
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.datum(dataset) |
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.attr("d", lineGenerator1(dataset)) |
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.attr("class", "area") |
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.attr("d", area1) |
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.style("fill", "url(#area-gradient1)"); |
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|
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const line2 = bounds |
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.append("path") |
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.datum(dataset) |
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.attr("d", lineGenerator2(dataset)) |
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.attr("class", "area") |
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.attr("d", area2) |
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.style("fill", "url(#area-gradient2)"); |
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|
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const yAxisGenerator = d3.axisLeft().scale(yScale); |
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const xAxisGenerator = d3.axisBottom().scale(xScale); |
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const yAxis = bounds.append("g").attr("class", "axis").call(yAxisGenerator); |
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const xAxis = bounds |
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.append("g") |
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.call(xAxisGenerator) |
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.attr("class", "axis") |
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.style("transform", `translateY(${dimensions.boundedHeight}px)`); |
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|
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const listeningRect = bounds |
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.append("rect") |
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.attr("class", "listening-rect") |
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.attr("width", dimensions.boundedWidth) |
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.attr("height", dimensions.boundedHeight) |
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.on("mousemove", onMouseMove) |
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.on("mouseleave", onMouseLeave); |
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|
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const tooltipAttacks = d3.select("#tooltipAttacks"); |
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const tooltipBlocked = d3.select("#tooltipBlocked"); |
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const tooltipCircle1 = bounds |
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.append("circle") |
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.attr("class", "tooltip-circle") |
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.attr("r", 4) |
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.attr("stroke", "#F3F5F6") |
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.attr("fill", "#1D293F") |
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.attr("stroke-width", 2) |
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.style("opacity", 0); |
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const tooltipCircle2 = bounds |
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.append("circle") |
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.attr("class", "tooltip-circle") |
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.attr("r", 4) |
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.attr("stroke", "#F3F5F6") |
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.attr("fill", "#1D293F") |
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.attr("stroke-width", 2) |
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.style("opacity", 0); |
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function onMouseMove() { |
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const mousePosition = d3.mouse(this); |
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const hoveredDate = xScale.invert(mousePosition[0]); |
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|
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const getDistanceFromHoveredDate = (d) => |
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Math.abs(xAccessor(d) - hoveredDate); |
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const closestIndex = d3.scan( |
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dataset, |
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(a, b) => |
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getDistanceFromHoveredDate(a) - getDistanceFromHoveredDate(b) |
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); |
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const closestDataPoint = dataset[closestIndex]; |
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|
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const closestXValue = xAccessor(closestDataPoint); |
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const closestAttacksValue = attacksAccessor(closestDataPoint); |
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const closestBlockedValue = blockedAccessor(closestDataPoint); |
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|
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const x = xScale(closestXValue) + dimensions.margin.left + 8; |
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const yAttacks = |
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yScale(closestAttacksValue) + dimensions.margin.top + 10; |
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const yBlocked = |
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yScale(closestBlockedValue) + dimensions.margin.top + 10; |
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|
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tooltipAttacks.style( |
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"transform", |
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`translate(` + |
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`calc( -50% + ${x}px),` + |
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`calc(-100% + ${yAttacks}px)` + |
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`)` |
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); |
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tooltipBlocked.style( |
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"transform", |
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`translate(` + |
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`calc( -50% + ${x}px),` + |
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`calc(-100% + ${yBlocked}px)` + |
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`)` |
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); |
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|
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tooltipAttacks.style("opacity", 1); |
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tooltipBlocked.style("opacity", 1); |
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|
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tooltipAttacks.select("#countAttacks").html(closestAttacksValue); |
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tooltipBlocked.select("#countBlocked").html(closestBlockedValue); |
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tooltipCircle1 |
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.attr("cx", xScale(closestXValue)) |
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.attr("cy", yScale(closestAttacksValue)) |
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.style("opacity", 1); |
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tooltipCircle2 |
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.attr("cx", xScale(closestXValue)) |
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.attr("cy", yScale(closestBlockedValue)) |
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.style("opacity", 1); |
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} |
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|
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function onMouseLeave() { |
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tooltipAttacks.style("opacity", 0); |
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tooltipBlocked.style("opacity", 0); |
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|
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tooltipCircle1.style("opacity", 0); |
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tooltipCircle2.style("opacity", 0); |
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} |
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} |
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|
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drawLineChart(data); |
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|
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var resizeTimer; |
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window.onresize = function (event) { |
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clearTimeout(resizeTimer); |
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resizeTimer = setTimeout(function () { |
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var s = d3.select("#line-chart").selectAll("svg"); |
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s = s.remove(); |
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drawLineChart(data); |
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}, 10); |
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}; |
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|
