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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Line Chart</title> | |
<link href="MathJax.css" rel="stylesheet" type="text/css"> | |
</head> | |
<body> | |
<script type="text/javascript" src="http://d3js.org/d3.v2.js"></script> | |
<script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_SVG"></script> | |
<script type="text/javascript" src="mathjaxlabel.js"></script> | |
<script type="text/javascript"> | |
var margin = {"top": 100, "right": 100, "bottom": 100, "left": 100}, | |
height = 300, | |
width = 300, | |
title = ["\\(Title\\)","\\(sin(\\phi)\\)"], | |
ylabel = ["\\(Y Label\\)","\\(Random LaTex ^{4}_{2}He\\)"], | |
xlabel = ["\\(This is not getting positioned correctly\\)","\\(Should be at the bottom of the margin\\)"]; | |
var gEnter = d3.select("body") | |
.append("svg").attr("width",500).attr("height",500) | |
.append("g").attr("class","container"); | |
gEnter.append("rect").attr("width",300).attr("height",300).attr("transform","translate("+margin.left+","+margin.top+")"); | |
// X Label | |
var xlbl = mathJaxLabel().width(width).height(margin.bottom); | |
gEnter.append("g") | |
.attr("class","xlabel") | |
.datum(xlabel) | |
.attr("transform", "translate("+margin.left+","+(margin.top + 300) +")"); | |
d3.selectAll("g.xlabel").call(xlbl); | |
// Y Label | |
var ylbl = mathJaxLabel().width(height).height(margin.left); | |
gEnter.append("g") | |
.attr("transform","rotate(-90)") | |
.attr("class","ylabel") | |
.datum(ylabel) | |
.attr("transform", "translate(0,"+(margin.top + 300)+")rotate(-90)"); | |
d3.selectAll("g.ylabel").call(ylbl); | |
// Title | |
var ttl = mathJaxLabel().width(width).height(margin.bottom); | |
gEnter.append("g") | |
.attr("class","title") | |
.datum(title) | |
.attr("transform", "translate(100,0)"); | |
d3.selectAll("g.title").call(ttl); | |
</script> | |
</body> | |
</html> |
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rect { | |
fill:yellow | |
} | |
.xlabel div.holder{ | |
position: relative; | |
height: 100%; | |
width: 100%; | |
} | |
.xlabel div.lines{ | |
position: absolute; | |
bottom: 0; | |
width: 100%; | |
} |
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function mathJaxLabel(){ | |
//Adds a foreignObject to store mathJax Text, assumes data is a string formatted for mathJax | |
// Refer to this for mathJax rerendering voodoo: view-source:http://cdn.mathjax.org/mathjax/latest/test/sample-dynamic.html | |
var height, | |
width; | |
function label(selection){ | |
selection.each(function(data) { | |
var container = d3.select(this), | |
QUEUE = MathJax.Hub.queue; | |
var fo = container.selectAll(".label").data(function(d){return [d]}), | |
foEnter = fo.enter().append("foreignObject") | |
.attr("class","label") | |
.append("xhtml:body") | |
.attr("xmlns","http://www.w3.org/1999/xhtml") | |
.append("xhtml:div") | |
.attr("class","holder") | |
.append("xhtml:div") | |
.attr("class","lines") | |
forUpdate = d3.transition(fo).attr("height",height).attr("width",width), | |
bUpdate = d3.transition(fo.selectAll("body")).style("height",height+"px").style("width",width+"px"), | |
foExit = d3.transition(fo.exit()).remove(); | |
function toggleDisplay(selection){ | |
selection.each(function() { | |
var el = d3.select(this), | |
state = el.style("display") | |
el.style("display",function(){ | |
return (state == "block")?"none":"block";})})}; | |
function updateMath(item,i){ | |
//Escape whitespace so that user doesn't have to | |
var newtext = item.select(".input").property("value").split(" ").join("\\ "), | |
math = MathJax.Hub.getAllJax(item.selectAll("div.div").node())[0], | |
data = container.datum(); | |
data[0][i] = "\\("+newtext+"\\)"; | |
QUEUE.Push(["Text",math,newtext], | |
function(){item.selectAll(".div,.input").call(toggleDisplay)}); | |
container.datum(data);} | |
//each line | |
var nl = container.selectAll("body div.lines").selectAll("div.newline").data(function(d){return d}), | |
nlEnter = nl.enter().append("xhtml:div") | |
.attr("class","newline") | |
.attr("align","center"); | |
nlExit = nl.exit().remove(); | |
//mJax holder | |
var mjax = nlEnter.append("xhtml:div") | |
.attr("class","div") | |
.attr("align","center") | |
.style("display","none") | |
.html(function(d){return d.split(" ").join("\\ ")}) | |
; | |
//Input | |
var inpt = nlEnter.append("xhtml:input") | |
.attr("class","input") | |
.style("display","none") | |
.property("value",function(d){return d.slice(-(d.length -2),(d.length-2))}); | |
//Display math elements once initialized. | |
QUEUE.Push(function () { | |
math = MathJax.Hub.getAllJax(container.selectAll("div.div")[0][0])[0]; | |
container.selectAll("div.div").style("display","block"); | |
}); | |
//Behaviours | |
container.selectAll("div.newline") | |
.on("dblclick",function(d,i){ | |
var el = d3.select(this); | |
(el.select(".input").style("display") !== "none")?updateMath(el,i):el.selectAll(".div,.input").call(toggleDisplay)}) | |
.each(function(d,i){ | |
var el = d3.select(this), | |
id = i; | |
el.selectAll(".input") | |
.on("change",function(){updateMath(el,id)})}); | |
}); | |
}; | |
label.width = function(_) { | |
if (!arguments.length) return width; | |
width = _; | |
return label; | |
}; | |
label.height = function(_) { | |
if (!arguments.length) return height; | |
height = _; | |
return label; | |
}; | |
return label; | |
} |
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