{
var svg = d3.create("svg")
.attr("width", width)
.attr("height", height)
var focusChartMargin = { top: 20, right: 20, bottom: 170, left: 60 };
var contextChartMargin = { top: 360, right: 20, bottom: 90, left: 60 };
var chartWidth = width - focusChartMargin.left - focusChartMargin.right;
var focusChartHeight = height - focusChartMargin.top - focusChartMargin.bottom;
var contextChartHeight = height - contextChartMargin.top - contextChartMargin.bottom;
svg
.append("svg")
.attr("width", chartWidth + focusChartMargin.left + focusChartMargin.right)
.attr("height", focusChartHeight + focusChartMargin.top + focusChartMargin.bottom)
.append("g")
.attr("transform", "translate(" + focusChartMargin.left + "," + focusChartMargin.top + ")")
.attr("overflow", "visible");
var parseTime = d3.timeParse("%H:%M");
var dates = [];
var groupValuesByX = {};
for (let key of Object.keys(data)) {
data[key].forEach(bucketRecord => {
dates.push(parseTime(bucketRecord.date));
!(parseTime(bucketRecord.date) in groupValuesByX) && (groupValuesByX[parseTime(bucketRecord.date)] = {});
groupValuesByX[parseTime(bucketRecord.date)][key] = bucketRecord.conversion;
});
}
var availableDates = Object.keys(groupValuesByX);
availableDates.sort();
console.log(groupValuesByX);
console.log(availableDates);
var maxYAxisValue = -Infinity;
for (let key of Object.keys(data)) {
let maxYAxisValuePerBucket = Math.ceil(d3.max(data[key], d => d["conversion"]));
maxYAxisValue = Math.max(maxYAxisValuePerBucket, maxYAxisValue);
}
var yFocus = d3.scaleLinear().range([focusChartHeight, 0]);
var yContext = d3.scaleLinear().range([contextChartHeight, 0]);
var xFocus = d3.scaleTime().range([0, chartWidth]);
var xContext = d3.scaleTime().range([0, chartWidth]);
var xAxisFocus = d3
.axisBottom(xFocus)
.ticks(10)
.tickFormat(d3.timeFormat("%H:%M"));
var xAxisContext = d3
.axisBottom(xContext)
.ticks(10)
.tickFormat(d3.timeFormat("%H:%M"));
var yAxisFocus = d3.axisLeft(yFocus).tickFormat(d => d + "%");
var brush = d3
.brushX()
.extent([
[0, -10],
[chartWidth, contextChartHeight]
])
.on("brush end", brushed);
var zoom = d3
.zoom()
.scaleExtent([1, Infinity])
.translateExtent([
[0, 0],
[chartWidth, focusChartHeight]
])
.extent([
[0, 0],
[chartWidth, focusChartHeight]
])
.on("zoom", zoomed)
.filter(() => d3.event.ctrlKey || d3.event.type === "dblclick" || d3.event.type === "mousedown");
var lineFocus = d3
.line()
.x(d => xFocus(parseTime(d.date)))
.y(d => yFocus(d.conversion));
var lineContext = d3
.line()
.x(d => xContext(parseTime(d.date)))
.y(d => yContext(d.conversion));
var clip = svg
.append("defs")
.append("svg:clipPath")
.attr("id", "clip")
.append("svg:rect")
.attr("width", chartWidth)
.attr("height", focusChartHeight)
.attr("x", 0)
.attr("y", 0);
var focusChartLines = svg
.append("g")
.attr("class", "focus")
.attr("transform", "translate(" + focusChartMargin.left + "," + focusChartMargin.top + ")")
.attr("clip-path", "url(#clip)");
var focus = svg
.append("g")
.attr("class", "focus")
.attr("transform", "translate(" + focusChartMargin.left + "," + focusChartMargin.top + ")");
var context = svg
.append("g")
.attr("class", "context")
.attr("transform", "translate(" + contextChartMargin.left + "," + (contextChartMargin.top + 50) + ")");
xFocus.domain(d3.extent(dates));
yFocus.domain([0, maxYAxisValue]);
xContext.domain(d3.extent(dates));
yContext.domain(yFocus.domain());
focus
.append("g")
.attr("class", "x-axis")
.attr("transform", "translate(0," + focusChartHeight + ")")
.call(xAxisFocus);
focus
.append("g")
.attr("class", "y-axis")
.call(yAxisFocus);
var bucketNames = [];
for (let key of Object.keys(data)) {
bucketNames.push(key);
}
var colors = d3
.scaleOrdinal()
.domain(bucketNames)
.range(["#3498db", "#3cab4b", "#e74c3c", "#73169e", "#2ecc71"]);
for (let key of Object.keys(data)) {
let bucket = data[key];
focusChartLines
.append("path")
.datum(bucket)
.attr("class", "line")
.attr("fill", "none")
.attr("stroke", d => colors(key))
.attr("stroke-width", 1.5)
.attr("d", lineFocus);
context
.append("path")
.datum(bucket)
.attr("class", "line")
.attr("fill", "none")
.attr("stroke", d => colors(key))
.attr("stroke-width", 1.5)
.attr("d", lineContext);
}
context
.append("g")
.attr("class", "x-axis")
.attr("transform", "translate(0," + contextChartHeight + ")")
.call(xAxisContext);
var contextBrush = context
.append("g")
.attr("class", "brush")
.call(brush);
var brushHandlePath = d => {
var e = +(d.type === "e"),
x = e ? 1 : -1,
y = contextChartHeight + 10;
return (
"M" +
0.5 * x +
"," +
y +
"A6,6 0 0 " +
e +
" " +
6.5 * x +
"," +
(y + 6) +
"V" +
(2 * y - 6) +
"A6,6 0 0 " +
e +
" " +
0.5 * x +
"," +
2 * y +
"Z" +
"M" +
2.5 * x +
"," +
(y + 8) +
"V" +
(2 * y - 8) +
"M" +
4.5 * x +
"," +
(y + 8) +
"V" +
(2 * y - 8)
);
};
var brushHandle = contextBrush
.selectAll(".handle--custom")
.data([{ type: "w" }, { type: "e" }])
.enter()
.append("path")
.attr("class", "handle--custom")
.attr("stroke", "#000")
.attr("cursor", "ew-resize")
.attr("d", brushHandlePath);
var rectOverlay = svg
.append("rect")
.attr("cursor", "move")
.attr("fill", "none")
.attr("pointer-events", "all")
.attr("class", "zoom")
.attr("width", chartWidth)
.attr("height", focusChartHeight)
.attr("transform", "translate(" + focusChartMargin.left + "," + focusChartMargin.top + ")")
.call(zoom)
.on("mousemove", focusMouseMove)
.on("mouseover", focusMouseOver)
.on("mouseout", focusMouseOut);
var mouseLine = focus
.append("path")
.attr("class", "mouse-line")
.attr("stroke", "#303030")
.attr("stroke-width", 2)
.attr("opacity", "0");
var tooltip = focus
.append("g")
.attr("class", "tooltip-wrapper")
.attr("display", "none");
var tooltipBackground = tooltip.append("rect").attr("fill", "#e8e8e8");
var tooltipText = tooltip.append("text");
contextBrush.call(brush.move, [0, chartWidth / 2]);
focus
.append("text")
.attr("transform", "translate(" + chartWidth / 2 + " ," + (focusChartHeight + focusChartMargin.top + 25) + ")")
.style("text-anchor", "middle")
.style("font-size", "18px")
.text("Time (UTC)");
focus
.append("text")
.attr("text-anchor", "middle")
.attr("transform", "translate(" + (-focusChartMargin.left + 20) + "," + focusChartHeight / 2 + ")rotate(-90)")
.style("font-size", "18px")
.text("Conversion Rate");
function brushed() {
if (d3.event.sourceEvent && d3.event.sourceEvent.type === "zoom") return;
tooltip.attr("display", "none");
focus.selectAll(".tooltip-line-circles").remove();
mouseLine.attr("opacity", "0");
var s = d3.event.selection || xContext.range();
xFocus.domain(s.map(xContext.invert, xContext));
focusChartLines.selectAll(".line").attr("d", lineFocus);
focus.select(".x-axis").call(xAxisFocus);
svg.select(".zoom").call(zoom.transform, d3.zoomIdentity.scale(chartWidth / (s[1] - s[0])).translate(-s[0], 0));
brushHandle
.attr("display", null)
.attr("transform", (d, i) => "translate(" + [s[i], -contextChartHeight - 20] + ")");
}
function zoomed() {
if (d3.event.sourceEvent && d3.event.sourceEvent.type === "brush") return;
tooltip.attr("display", "none");
focus.selectAll(".tooltip-line-circles").remove();
mouseLine.attr("opacity", "0");
var t = d3.event.transform;
xFocus.domain(t.rescaleX(xContext).domain());
focusChartLines.selectAll(".line").attr("d", lineFocus);
focus.select(".x-axis").call(xAxisFocus);
var brushSelection = xFocus.range().map(t.invertX, t);
context.select(".brush").call(brush.move, brushSelection);
brushHandle
.attr("display", null)
.attr("transform", (d, i) => "translate(" + [brushSelection[i], -contextChartHeight - 20] + ")");
}
function focusMouseMove() {
tooltip.attr("display", null);
var mouse = d3.mouse(this);
var dateOnMouse = xFocus.invert(mouse[0]);
var nearestDateIndex = d3.bisect(availableDates, dateOnMouse.toString());
var d0 = new Date(availableDates[nearestDateIndex - 1]);
var d1 = new Date(availableDates[nearestDateIndex]);
var closestDate;
if (d0 < xFocus.domain()[0]) {
closestDate = d1;
} else if (d1 > xFocus.domain()[1]) {
closestDate = d0;
} else {
closestDate = dateOnMouse - d0 > d1 - dateOnMouse ? d1 : d0;
}
var nearestDateYValues = groupValuesByX[closestDate];
var nearestDateXCord = xFocus(new Date(closestDate));
mouseLine.attr("d", `M ${nearestDateXCord} 0 V ${focusChartHeight}`).attr("opacity", "1");
tooltipText.selectAll(".tooltip-text-line").remove();
focus.selectAll(".tooltip-line-circles").remove();
console.log(xFocus.domain());
var formatTime = d3.timeFormat("%H:%M");
tooltipText
.append("tspan")
.attr("class", "tooltip-text-line")
.attr("x", "5")
.attr("y", "5")
.attr("dy", "13px")
.attr("font-weight", "bold")
.text(`${formatTime(closestDate)}`);
for (let key of Object.keys(nearestDateYValues)) {
focus
.append("circle")
.attr("class", "tooltip-line-circles")
.attr("r", 5)
.attr("fill", colors(key))
.attr("cx", nearestDateXCord)
.attr("cy", yFocus(nearestDateYValues[key]));
tooltipText
.append("tspan")
.attr("class", "tooltip-text-line")
.attr("x", "5")
.attr("dy", `14px`)
.attr("fill", colors(key))
.text(`${key}: ${nearestDateYValues[key].toFixed(2)}`);
}
var tooltipWidth = tooltipText.node().getBBox().width;
var tooltipHeight = tooltipText.node().getBBox().height;
var rectOverlayWidth = rectOverlay.node().getBBox().width;
tooltipBackground.attr("width", tooltipWidth + 10).attr("height", tooltipHeight + 10);
if (nearestDateXCord + tooltipWidth >= rectOverlayWidth) {
tooltip.attr("transform", "translate(" + (nearestDateXCord - tooltipWidth - 20) + "," + mouse[1] + ")");
} else {
tooltip.attr("transform", "translate(" + (nearestDateXCord + 10) + "," + mouse[1] + ")");
}
}
function focusMouseOver() {
mouseLine.attr("opacity", "1");
tooltip.attr("display", null);
}
function focusMouseOut() {
mouseLine.attr("opacity", "0");
tooltip.attr("display", "none");
focus.selectAll(".tooltip-line-circles").remove();
}
return svg.node()
}