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An easy-to-use reusable tooltip plugin for d3v4
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| An easy-to-use reusable tooltip plugin for d3v4 |
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| license: gpl-3.0 | |
| height: 500 | |
| border: no |
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| // https://github.com/BastiTee/d3-cooltip Version 0.1.0. Copyright 2017 Basti Tee. | |
| !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("d3")):"function"==typeof define&&define.amd?define(["exports","d3"],e):e(t.d3=t.d3||{},t.d3)}(this,function(t,e){"use strict";var n=function(){function t(t){t.each(function(){var t,l,d,c=e.select(this),f=this.ownerSVGElement,s=f.getBBox(),g=!1,p=function(){var n=e.mouse(f),r=l.node().getBBox(),i=n[0],a=n[1]-r.height;i=i-r.width/2<0?r.width/2:i,i=i+r.width/2>s.width?s.width-r.width/2:i,a=a-o<0?o:a,a=a+r.height-o>s.height?s.height-r.height+o:a,t.attr("transform","translate("+i+","+a+")")},x=function(){g&&(g=!1,t.remove())},y=function(c){if(!g){g=!0,t=e.select(f).append("g").style("pointer-events","none"),l=t.append("rect"),d=t.append("text").attr("class","cooltip-text");var s=""+u(c),p=s.split("\n");for(var x in p)d.append("tspan").style("text-anchor","middle").style("dominant-baseline","hanging").style("fill",r).attr("x",0).attr("dy",function(){return 0==x?0:a}).text(p[x]);var y=d.node().getBBox();l.attr("class","cooltip-box").attr("rx",h).attr("ry",h).attr("width",y.width+2*o).attr("height",y.height+2*o).attr("x",-y.width/2-o).attr("y",-o).attr("opacity",n).style("fill",i)}};c.on("mouseover",y),c.on("mouseout",x),c.on("mousemove",p)})}var n=.8,o=5,r="white",i="black",a=20,h=5,u=function(){return(new Date).toDateString()+"\n"+String(Math.floor(9e8*Math.random()))};return t.opacity=function(e){return arguments.length?(n=e,t):n},t.padding=function(e){return arguments.length?(o=e,t):o},t.color=function(e){return arguments.length?(r=e,t):r},t.fill=function(e){return arguments.length?(i=e,t):i},t.lineHeight=function(e){return arguments.length?(a=e,t):a},t.roundCorners=function(e){return arguments.length?(h=e,t):h},t.selector=function(e){return arguments.length?(u=e,t):u},t};t.cooltip=n,Object.defineProperty(t,"__esModule",{value:!0})}); |
We can make this file beautiful and searchable if this error is corrected: No commas found in this CSV file in line 0.
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| value | |
| red | |
| blue | |
| green |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>d3-cooltip demo</title> | |
| <script src="https://d3js.org/d3.v4.js"></script> | |
| <script src="d3-cooltip.0.1.0.min.js"></script> | |
| <style> | |
| @import url('https://fonts.googleapis.com/css?family=Saira+Extra+Condensed'); | |
| .cooltip-box { | |
| /* The box around the cooltip text */ | |
| stroke: orange; | |
| stroke-width: 2; | |
| } | |
| .cooltip-text { | |
| /* The cooltip text */ | |
| font-family: 'Saira Extra Condensed', sans-serif; | |
| font-size: 150%; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg id="my-svg"></svg> | |
| </body> | |
| <script> | |
| d3.csv("data.csv", function(error, data) { | |
| // setup basic canvas | |
| var widHei = 500 | |
| var dim = widHei / 3 | |
| var svg = d3.select("#my-svg") | |
| .attr("width", widHei) | |
| .attr("height", widHei) | |
| // add a grey background | |
| svg.append("rect") | |
| .attr("width", widHei) | |
| .attr("height", widHei) | |
| .attr("fill", "lightgrey") | |
| // create some rectangles from data | |
| svg.selectAll(".rectangles") | |
| .data(data).enter().append("rect") | |
| .attr("class", "rectangles") | |
| .attr("width", dim * 1.5) | |
| .attr("height", dim * 1.5) | |
| .attr("x", function(d, i) { | |
| return (dim / 2) * 1.5 * i | |
| }) | |
| .attr("y", function(d, i) { | |
| return (dim / 2) * 1.5 * i | |
| }) | |
| .attr("fill", function(d) { | |
| return d["value"] | |
| }) | |
| // write a callback to define what the cooltip should display | |
| var cooltipText = function(d) { | |
| return "This rectangle is\ncolored " + d["value"] | |
| } | |
| // create the cooltip and configure it | |
| var cooltip = d3.cooltip() | |
| .opacity(0.7) | |
| .padding(10) | |
| .color("lightgrey") | |
| .fill("black") | |
| .roundCorners(10) | |
| .lineHeight(25) | |
| .selector(cooltipText) | |
| // call it for each rectangle | |
| svg.selectAll(".rectangles").call(cooltip) | |
| }) | |
| </script> | |
| </html> |
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