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ScatterPlot
mutable debug = null
chart = new Chart()
.container(chartContainer)
.svgWidth(800)
.svgHeight(600)
.data(data)
.render()
class Chart {
constructor() {
const attrs = {
id: "ID" + Math.floor(Math.random() * 1000000),
svgWidth: 400,
svgHeight: 400,
marginTop: 65,
marginBottom: 65,
marginRight: 25,
marginLeft: 45,
container: "body",
firstDraw: true,
defaultTextFill: "#2C3E50",
duration: 800,
title: "Evaluation against success indicator",
xAxisTitle: "Stage of implementation",
data: null
};
this.getState = () => attrs;
this.setState = (d) => Object.assign(attrs, d);
Object.keys(attrs).forEach((key) => {
//@ts-ignore
this[key] = function (_) {
var string = `attrs['${key}'] = _`;
if (!arguments.length) {
return eval(`attrs['${key}'];`);
}
eval(string);
return this;
};
});
this.initializeEnterExitUpdatePattern();
}
initializeEnterExitUpdatePattern() {
d3.selection.prototype.patternify = function (params) {
var container = this;
var selector = params.selector;
var elementTag = params.tag;
var data = params.data || [selector];
// Pattern in action
var selection = container.selectAll("." + selector).data(data, (d, i) => {
if (typeof d === "object") {
if (d.id) {
return d.id;
}
}
return i;
});
selection.exit().remove();
selection = selection.enter().append(elementTag).merge(selection);
selection.attr("class", selector);
return selection;
};
}
// ================== RENDERING ===================
render() {
this.setDynamicContainer();
this.calculateProperties();
this.drawSvgAndWrappers();
this.drawAxes();
this.drawCircles();
this.setState({ firstDraw: false });
}
drawCircles() {
const {
chart,
tip,
data,
xScale,
yScale,
duration,
firstDraw
} = this.getState();
const circlesWrap = chart.patternify({
tag: "g",
selector: "circles-wrapper"
});
const circlesStroke = circlesWrap
.patternify({
tag: "circle",
selector: "each-circle-stroke",
data: data.points
})
.attr("cursor", "pointer")
.attr("fill", (d) => d.stroke || "rgba(249, 188, 38, 0.6)")
.on("mouseenter", (event, d) => {
tip.show(event, d);
})
.on("mouseleave", (event, d) => {
tip.hide();
});
if (firstDraw) {
circlesStroke.attr("cx", (d) => xScale(0)).attr("cy", (d) => yScale(0));
}
circlesStroke
.transition()
.duration(duration)
.delay((d, i, arr) => (duration * i) / arr.length)
.attr("cx", (d) => xScale(d.x))
.attr("cy", (d) => yScale(d.y))
.attr("r", 18);
const circlesFill = circlesWrap
.patternify({
tag: "circle",
selector: "each-circle-fill",
data: data.points
})
.attr("fill", (d) => d.fill || "white")
.attr("pointer-events", "none");
if (firstDraw) {
circlesFill.attr("cx", (d) => xScale(0)).attr("cy", (d) => yScale(0));
}
circlesFill
.transition()
.duration(duration)
.delay((d, i, arr) => (duration * i) / arr.length)
.attr("cx", (d) => xScale(d.x))
.attr("cy", (d) => yScale(d.y))
.attr("r", 7.5);
}
drawAxes() {
const {
chart,
labelsWrap,
xAxisTitle,
title,
calc: { chartWidth, chartHeight }
} = this.getState();
const xScale = d3.scaleLinear().domain([0, 100]).range([0, chartWidth]);
const yScale = d3.scaleLinear().domain([100, 0]).range([0, chartHeight]);
const xAxis = d3
.axisBottom(xScale)
.tickSize(-chartHeight)
.tickFormat((d) => (d ? d + "%" : d));
const yAxis = d3
.axisLeft(yScale)
.tickSize(-chartWidth)
.tickFormat((d) => (d ? d + "%" : d));
const axisWrapper = chart.patternify({
tag: "g",
selector: "axis-wrapper"
});
const xAxisWrapper = axisWrapper
.patternify({
tag: "g",
selector: "x-axis-wrapper"
})
.attr("transform", `translate(${0},${chartHeight})`);
const yAxisWrapper = axisWrapper.patternify({
tag: "g",
selector: "y-axis-wrapper"
});
xAxisWrapper.call(xAxis);
yAxisWrapper.call(yAxis);
axisWrapper
.selectAll(".tick line")
.attr("stroke", "rgba(255, 255, 255, 0.3)")
.attr("stroke-dasharray", "1 1");
axisWrapper.selectAll(".domain").remove();
axisWrapper.selectAll("text").attr("fill", "white");
xAxisWrapper.selectAll("text").attr("y", 10);
yAxisWrapper.selectAll("text").attr("x", -10);
const overlayRects = [
{
anchor: "start",
textY: 20 + 5,
textX: 20,
name: "Limited energy",
x: 0,
y: 0,
width: chartWidth / 2,
height: chartHeight / 2,
fill: "rgba(255, 255, 255, 0.2)"
},
{
anchor: "end",
textY: 20 + 5,
textX: chartWidth - 20,
name: "Leaders",
x: chartWidth / 2,
y: 0,
width: chartWidth / 2,
height: chartHeight / 2,
fill: "rgba(255, 255, 255, 0.3)"
},
{
anchor: "end",
textY: chartHeight - 20,
textX: chartWidth - 20,
name: "Less prepared",
x: chartWidth / 2,
y: chartHeight / 2,
width: chartWidth / 2,
height: chartHeight / 2,
fill: "rgba(255, 255, 255, 0.2)"
},
{
anchor: "start",
textY: chartHeight - 20,
textX: 20,
name: "Limited vision",
x: 0,
y: chartHeight / 2,
width: chartWidth / 2,
height: chartHeight / 2,
fill: "rgba(255, 255, 255, 0.1)"
}
];
axisWrapper
.patternify({ tag: "rect", selector: "rect-item", data: overlayRects })
.attr("width", (d) => d.width)
.attr("height", (d) => d.height)
.attr("fill", (d) => d.fill)
.attr("x", (d) => d.x)
.attr("y", (d) => d.y);
labelsWrap
.patternify({
tag: "text",
selector: "text-rect-item",
data: overlayRects
})
.text((d) => d.name)
.attr("fill", "rgba(255, 255, 255, 1)")
.attr("font-weight", "bold")
.attr("x", (d) => d.textX)
.attr("y", (d) => d.textY)
.attr("pointer-events", "none")
.attr("text-anchor", (d) => d.anchor);
chart
.patternify({ tag: "text", selector: "title" })
.text(title)
.attr("fill", "rgba(255, 255, 255, 1)")
.attr("y", -20);
chart
.patternify({ tag: "text", selector: "x-axis-title" })
.text(xAxisTitle)
.attr("text-anchor", "middle")
.attr("fill", "rgba(255, 255, 255, 1)")
.attr("y", chartHeight + 50)
.attr("x", chartWidth / 2);
this.setState({ xAxis, yAxis, xScale, yScale });
}
setDynamicContainer() {
const attrs = this.getState();
//Drawing containers
var container = d3.select(attrs.container);
var containerRect = container.node().getBoundingClientRect();
if (containerRect.width > 0) attrs.svgWidth = containerRect.width;
this.setState({ container });
}
drawSvgAndWrappers() {
const { container, svgWidth, svgHeight, calc } = this.getState();
// Draw SVG
const svg = container
.patternify({
tag: "svg",
selector: "svg-chart-container"
})
.attr("width", svgWidth)
.attr("height", svgHeight);
const tip = d3
.tip()
.attr("class", "d3-tip")
.direction("w")
.offset([0, -10])
.html(
(EVENT, d) => `
<div style="min-width:190px;font-size:12px">
<div style="color:rgba(29, 211, 167, 1);font-weight:bold;font-size:16px"> Country</div>
<div style="margin:8px auto;background-color:rgba(255, 255, 255, 0.5);width:100%;height:1px"></div>
<div style="font-weight:bold;font-size:13px;margin-bottom:0px">Overall Score</div>
<div><span>Evaluation:</span> <span style="font-size:10px;color:rgba(29, 211, 167, 1)"> <span style="font-size:12px;font-weight:bold">53</span> /100 </span></div>
<div><span>Stage of implementation:</span> <span style="font-size:10px;color:rgba(29, 211, 167, 1)"> <span style="font-size:12px;font-weight:bold">53</span> /100 </span> </div>
</div>
`
);
svg.call(tip);
//Add container g element
var chart = svg
.patternify({
tag: "g",
selector: "chart"
})
.attr(
"transform",
"translate(" + calc.chartLeftMargin + "," + calc.chartTopMargin + ")"
);
var labelsWrap = svg
.patternify({
tag: "g",
selector: "labels-wrap"
})
.attr(
"transform",
"translate(" + calc.chartLeftMargin + "," + calc.chartTopMargin + ")"
);
this.setState({ chart, svg, labelsWrap, tip });
}
calculateProperties() {
const attrs = this.getState();
//Calculated properties
var calc = {
id: null,
chartTopMargin: null,
chartLeftMargin: null,
chartWidth: null,
chartHeight: null
};
calc.id = "ID" + Math.floor(Math.random() * 1000000); // id for event handlings
calc.chartLeftMargin = attrs.marginLeft;
calc.chartTopMargin = attrs.marginTop;
calc.chartWidth = attrs.svgWidth - attrs.marginRight - calc.chartLeftMargin;
calc.chartHeight =
attrs.svgHeight - attrs.marginBottom - calc.chartTopMargin;
this.setState({ calc });
}
updateData(data) {
const attrs = this.getChartState();
console.log("smoothly updating data");
return this;
}
}
<style>
.d3-tip {
font-family: Arial, Helvetica, sans-serif;
line-height: 1.4;
padding: 10px;
pointer-events: none !important;
color: white;
box-shadow: 0 4px 20px 4px rgba(0, 20, 60, .1), 0 4px 80px -8px rgba(0, 20, 60, .2);
background-color: #1E3871;
border-radius: 4px;
}
/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
color:#1E3871;
box-sizing: border-box;
display: inline;
font-size: 10px;
width: 100%;
line-height: 1;
color: #1E3871;
position: absolute;
pointer-events: none;
}
/* Northward tooltips */
.d3-tip.n:after {
content: "▼";
color:#1E3871;
margin: -1px 0 0 0;
top: 100%;
left: 0;
text-align: center;
}
/* Eastward tooltips */
.d3-tip.e:after {
content: "◀";
color:#1E3871;
margin: -4px 0 0 0;
top: 50%;
left: -8px;
}
/* Southward tooltips */
.d3-tip.s:after {
content: "▲";
color:#1E3871;
margin: 0 0 1px 0;
top: -8px;
left: 0;
text-align: center;
}
/* Westward tooltips */
.d3-tip.w:after {
content: "▶";
color:#1E3871;
margin: -4px 0 0 -1px;
top: 50%;
left: 100%;
}
</style?
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