AIL-framework/var/www/static/js/d3/heatmap_week_hour.js

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//Requirement: - D3v5
// - jquery
// data input: var data = [{"count":0,"date":"2023-11-20","day":0,"hour":0}
// based on gist nbremer/62cf60e116ae821c06602793d265eaf6
// container_id = #heatmapweekhour
const create_heatmap_week_hour = (container_id, data, options) => {
var days = ["Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"],
times = d3.range(24);
var margin = {
top: 80,
right: 50,
bottom: 20,
left: 50
};
var width = Math.max(Math.min(window.innerWidth, 1000), 500) - margin.left - margin.right - 20,
gridSize = Math.floor(width / times.length),
height = gridSize * (days.length + 2);
var heatmap_font_size = width * 62.5 / 900;
//SVG container
var svg = d3.select(container_id)
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// create a tooltip
const tooltip = d3.select(container_id)
.append("div")
.style("opacity", 0)
.attr("class", "tooltip")
.style("background-color", "white")
.style("border", "solid")
.style("border-width", "2px")
.style("border-radius", "5px")
.style("padding", "5px")
// Three function that change the tooltip when user hover / move / leave a cell
const mouseover = function(d) {
tooltip.style("opacity", 1)
d3.select(this)
.style("stroke", "black")
//.style("stroke-opacity", 1)
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var xPosition = d3.mouse(this)[0] + margin.left;
var yPosition = d3.mouse(this)[1] + margin.top + window.scrollY + 100;
tooltip.html(d.date + " " + d.hour + "-" + (d.hour + 1) + "h: <b>" + d.count + "</b> messages")
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.style("left", xPosition + "px")
.style("top", yPosition + "px");
}
const mouseleave = function(d) {
tooltip.style("opacity", 0)
d3.select(this)
.style("stroke", "white")
//.style("stroke-opacity", 0.8)
}
///////////////////////////////////////////////////////////////////////////
//////////////////////////// Draw Heatmap /////////////////////////////////
///////////////////////////////////////////////////////////////////////////
var colorScale = d3.scaleLinear()
.domain([0, d3.max(data, function (d) {
return d.count;
}) / 2, d3.max(data, function (d) {
return d.count;
})])
.range(["#FFFFF6", "#3E9583", "#1F2D86"])
//.interpolate(d3.interpolateHcl);
var dayLabels = svg.selectAll(".dayLabel")
.data(days)
.enter().append("text")
.text(function (d) {
return d;
})
.attr("x", 0)
.attr("y", function (d, i) {
return i * gridSize;
})
.style("text-anchor", "end")
.attr("transform", "translate(-36, -11)")
.attr("class", function (d, i) {
return ((i >= 0 && i <= 4) ? "dayLabel mono axis axis-workweek" : "dayLabel mono axis");
})
.style("font-size", heatmap_font_size + "%");
var timeLabels = svg.selectAll(".timeLabel")
.data(times)
.enter().append("text")
.text(function (d) {
return d;
})
.attr("x", function (d, i) {
return i * gridSize;
})
.attr("y", 0)
.style("text-anchor", "middle")
.attr("transform", "translate(-" + gridSize / 2 + ", -36)")
.attr("class", function (d, i) {
return ((i >= 8 && i <= 17) ? "timeLabel mono axis axis-worktime" : "timeLabel mono axis");
})
.style("font-size", heatmap_font_size + "%");
var heatMap = svg.selectAll(".hour")
.data(data)
.enter().append("rect")
.attr("x", function (d) {
return (d.hour - 1) * gridSize;
})
.attr("y", function (d) {
return (d.day - 1) * gridSize;
})
.attr("class", "hour bordered")
.attr("width", gridSize)
.attr("height", gridSize)
.style("stroke", "white")
.style("stroke-opacity", 0.6)
.style("fill", function (d) {
return colorScale(d.count);
})
.on("mouseover", mouseover)
.on("mouseleave", mouseleave);
//Append title to the top
svg.append("text")
.attr("class", "title")
.attr("x", width / 2)
.attr("y", -60)
.style("text-anchor", "middle")
.text("Chat Messages");
///////////////////////////////////////////////////////////////////////////
//////////////// Create the gradient for the legend ///////////////////////
///////////////////////////////////////////////////////////////////////////
//Extra scale since the color scale is interpolated
var countScale = d3.scaleLinear()
.domain([0, d3.max(data, function (d) {
return d.count;
})])
.range([0, width])
//Calculate the variables for the temp gradient
var numStops = 10;
countRange = countScale.domain();
countRange[2] = countRange[1] - countRange[0];
countPoint = [];
for (var i = 0; i < numStops; i++) {
countPoint.push(i * countRange[2] / (numStops - 1) + countRange[0]);
}
//Create the gradient
svg.append("defs")
.append("linearGradient")
.attr("id", "legend-heatmap")
.attr("x1", "0%").attr("y1", "0%")
.attr("x2", "100%").attr("y2", "0%")
.selectAll("stop")
.data(d3.range(numStops))
.enter().append("stop")
.attr("offset", function (d, i) {
return countScale(countPoint[i]) / width;
})
.attr("stop-color", function (d, i) {
return colorScale(countPoint[i]);
});
///////////////////////////////////////////////////////////////////////////
////////////////////////// Draw the legend ////////////////////////////////
///////////////////////////////////////////////////////////////////////////
var legendWidth = Math.min(width * 0.8, 400);
//Color Legend container
var legendsvg = svg.append("g")
.attr("class", "legendWrapper")
.attr("transform", "translate(" + (width / 2) + "," + (gridSize * days.length) + ")"); // 319
//Draw the Rectangle
legendsvg.append("rect")
.attr("class", "legendRect")
.attr("x", -legendWidth / 2)
.attr("y", 0)
//.attr("rx", hexRadius*1.25/2)
.attr("width", legendWidth)
.attr("height", 10)
.style("fill", "url(#legend-heatmap)");
//Append title
legendsvg.append("text")
.attr("class", "legendTitle")
.attr("x", 0)
.attr("y", -10)
.style("text-anchor", "middle")
.text("Number of Messages");
//Set scale for x-axis
var xScale = d3.scaleLinear()
.range([-legendWidth / 2, legendWidth / 2])
.domain([0, d3.max(data, function (d) {
return d.count;
})]);
//Define x-axis
var xAxis = d3.axisBottom(xScale)
//.orient("bottom")
.ticks(5);
//.tickFormat(formatPercent)
//Set up X axis
legendsvg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0," + (10) + ")")
.call(xAxis);
// return svg ???
// return svg
}