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d3.v3.min.js
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o=t.selectAll(".resize").data(v,y);o.exit().remove(),o.enter().append("g").attr("class",function(n){return"resize "+n}).style("cursor",function(n){return $l[n]}).append("rect").attr("x",function(n){return/[ew]$/.test(n)?-3:null}).attr("y",function(n){return/^[ns]/.test(n)?-3:null}).attr("width",6).attr("height",6).style("visibility","hidden"),o.style("display",n.empty()?"none":null);var l,f=oa.transition(t),h=oa.transition(a);c&&(l=Zu(c),h.attr("x",l[0]).attr("width",l[1]-l[0]),r(f)),s&&(l=Zu(s),h.attr("y",l[0]).attr("height",l[1]-l[0]),u(f)),e(f)})}function e(n){n.selectAll(".resize").attr("transform",function(n){return"translate("+f[+/e$/.test(n)]+","+h[+/^s/.test(n)]+")"})}function r(n){n.select(".extent").attr("x",f[0]),n.selectAll(".extent,.n>rect,.s>rect").attr("width",f[1]-f[0])}function u(n){n.select(".extent").attr("y",h[0]),n.selectAll(".extent,.e>rect,.w>rect").attr("height",h[1]-h[0])}function i(){function i(){32==oa.event.keyCode&&(C||(M=null,L[0]-=f[1],L[1]-=h[1],C=2),S())}function v(){32==oa.event.keyCode&&2==C&&(L[0]+=f[1],L[1]+=h[1],C=0,S())}function d(){var n=oa.mouse(b),t=!1;x&&(n[0]+=x[0],n[1]+=x[1]),C||(oa.event.altKey?(M||(M=[(f[0]+f[1])/2,(h[0]+h[1])/2]),L[0]=f[+(n[0]<M[0])],L[1]=h[+(n[1]<M[1])]):M=null),E&&m(n,c,0)&&(r(k),t=!0),A&&m(n,s,1)&&(u(k),t=!0),t&&(e(k),w({type:"brush",mode:C?"move":"resize"}))}function m(n,t,e){var r,u,i=Zu(t),l=i[0],c=i[1],s=L[e],v=e?h:f,d=v[1]-v[0];return C&&(l-=s,c-=d+s),r=(e?p:g)?Math.max(l,Math.min(c,n[e])):n[e],C?u=(r+=s)+d:(M&&(s=Math.max(l,Math.min(c,2*M[e]-r))),r>s?(u=r,r=s):u=s),v[0]!=r||v[1]!=u?(e?o=null:a=null,v[0]=r,v[1]=u,!0):void 0}function y(){d(),k.style("pointer-events","all").selectAll(".resize").style("display",n.empty()?"none":null),oa.select("body").style("cursor",null),q.on("mousemove.brush",null).on("mouseup.brush",null).on("touchmove.brush",null).on("touchend.brush",null).on("keydown.brush",null).on("keyup.brush",null),z(),w({type:"brushend"})}var M,x,b=this,_=oa.select(oa.event.target),w=l.of(b,arguments),k=oa.select(b),N=_.datum(),E=!/^(n|s)$/.test(N)&&c,A=!/^(e|w)$/.test(N)&&s,C=_.classed("extent"),z=W(b),L=oa.mouse(b),q=oa.select(t(b)).on("keydown.brush",i).on("keyup.brush",v);if(oa.event.changedTouches?q.on("touchmove.brush",d).on("touchend.brush",y):q.on("mousemove.brush",d).on("mouseup.brush",y),k.interrupt().selectAll("*").interrupt(),C)L[0]=f[0]-L[0],L[1]=h[0]-L[1];else if(N){var T=+/w$/.test(N),R=+/^n/.test(N);x=[f[1-T]-L[0],h[1-R]-L[1]],L[0]=f[T],L[1]=h[R]}else oa.event.altKey&&(M=L.slice());k.style("pointer-events","none").selectAll(".resize").style("display",null),oa.select("body").style("cursor",_.style("cursor")),w({type:"brushstart"}),d()}var a,o,l=N(n,"brushstart","brush","brushend"),c=null,s=null,f=[0,0],h=[0,0],g=!0,p=!0,v=Bl[0];return n.event=function(n){n.each(function(){var n=l.of(this,arguments),t={x:f,y:h,i:a,j:o},e=this.__chart__||t;this.__chart__=t,Hl?oa.select(this).transition().each("start.brush",function(){a=e.i,o=e.j,f=e.x,h=e.y,n({type:"brushstart"})}).tween("brush:brush",function(){var e=xr(f,t.x),r=xr(h,t.y);return a=o=null,function(u){f=t.x=e(u),h=t.y=r(u),n({type:"brush",mode:"resize"})}}).each("end.brush",function(){a=t.i,o=t.j,n({type:"brush",mode:"resize"}),n({type:"brushend"})}):(n({type:"brushstart"}),n({type:"brush",mode:"resize"}),n({type:"brushend"}))})},n.x=function(t){return arguments.length?(c=t,v=Bl[!c<<1|!s],n):c},n.y=function(t){return arguments.length?(s=t,v=Bl[!c<<1|!s],n):s},n.clamp=function(t){return arguments.length?(c&&s?(g=!!t[0],p=!!t[1]):c?g=!!t:s&&(p=!!t),n):c&&s?[g,p]:c?g:s?p:null},n.extent=function(t){var e,r,u,i,l;return arguments.length?(c&&(e=t[0],r=t[1],s&&(e=e[0],r=r[0]),a=[e,r],c.invert&&(e=c(e),r=c(r)),e>r&&(l=e,e=r,r=l),(e!=f[0]||r!=f[1])&&(f=[e,r])),s&&(u=t[0],i=t[1],c&&(u=u[1],i=i[1]),o=[u,i],s.invert&&(u=s(u),i=s(i)),u>i&&(l=u,u=i,i=l),(u!=h[0]||i!=h[1])&&(h=[u,i])),n):(c&&(a?(e=a[0],r=a[1]):(e=f[0],r=f[1],c.invert&&(e=c.invert(e),r=c.invert(r)),e>r&&(l=e,e=r,r=l))),s&&(o?(u=o[0],i=o[1]):(u=h[0],i=h[1],s.invert&&(u=s.invert(u),i=s.invert(i)),u>i&&(l=u,u=i,i=l))),c&&s?[[e,u],[r,i]]:c?[e,r]:s&&[u,i])},n.clear=function(){return n.empty()||(f=[0,0],h=[0,0],a=o=null),n},n.empty=function(){return!!c&&f[0]==f[1]||!!s&&h[0]==h[1]},oa.rebind(n,l,"on")};var $l={n:"ns-resize",e:"ew-resize",s:"ns-resize",w:"ew-resize",nw:"nwse-resize",ne:"nesw-resize",se:"nwse-resize",sw:"nesw-resize"},Bl=[["n","e","s","w","nw","ne","se","sw"],["e","w"],["n","s"],[]],Wl=go.format=xo.timeFormat,Jl=Wl.utc,Gl=Jl("%Y-%m-%dT%H:%M:%S.%LZ");Wl.iso=Date.prototype.toISOString&&+new Date("2000-01-01T00:00:00.000Z")?ea:Gl,ea.parse=function(n){var t=new Date(n);return isNaN(t)?null:t},ea.toString=Gl.toString,go.second=On(function(n){return new po(1e3*Math.floor(n/1e3))},function(n,t){n.setTime(n.getTime()+1e3*Math.floor(t))},function(n){return n.getSeconds()}),go.seconds=go.second.range,go.seconds.utc=go.second.utc.range,go.minute=On(function(n){return new po(6e4*Math.floor(n/6e4))},function(n,t){n.setTime(n.getTime()+6e4*Math.floor(t))},function(n){return n.getMinutes()}),go.minutes=go.minute.range,go.minutes.utc=go.minute.utc.range,go.hour=On(function(n){var t=n.getTimezoneOffset()/60;return new po(36e5*(Math.floor(n/36e5-t)+t))},function(n,t){n.setTime(n.getTime()+36e5*Math.floor(t))},function(n){return n.getHours()}),go.hours=go.hour.range,go.hours.utc=go.hour.utc.range,go.month=On(function(n){return n=go.day(n),n.setDate(1),n},function(n,t){n.setMonth(n.getMonth()+t)},function(n){return n.getMonth()}),go.months=go.month.range,go.months.utc=go.month.utc.range;var Kl=[1e3,5e3,15e3,3e4,6e4,3e5,9e5,18e5,36e5,108e5,216e5,432e5,864e5,1728e5,6048e5,2592e6,7776e6,31536e6],Ql=[[go.second,1],[go.second,5],[go.second,15],[go.second,30],[go.minute,1],[go.minute,5],[go.minute,15],[go.minute,30],[go.hour,1],[go.hour,3],[go.hour,6],[go.hour,12],[go.day,1],[go.day,2],[go.week,1],[go.month,1],[go.month,3],[go.year,1]],nc=Wl.multi([[".%L",function(n){return n.getMilliseconds()}],[":%S",function(n){return n.getSeconds()}],["%I:%M",function(n){return n.getMinutes()}],["%I %p",function(n){return n.getHours()}],["%a %d",function(n){return n.getDay()&&1!=n.getDate()}],["%b %d",function(n){return 1!=n.getDate()}],["%B",function(n){return n.getMonth()}],["%Y",zt]]),tc={range:function(n,t,e){return oa.range(Math.ceil(n/e)*e,+t,e).map(ua)},floor:y,ceil:y};Ql.year=go.year,go.scale=function(){return ra(oa.scale.linear(),Ql,nc)};var ec=Ql.map(function(n){return[n[0].utc,n[1]]}),rc=Jl.multi([[".%L",function(n){return n.getUTCMilliseconds()}],[":%S",function(n){return n.getUTCSeconds()}],["%I:%M",function(n){return n.getUTCMinutes()}],["%I %p",function(n){return n.getUTCHours()}],["%a %d",function(n){return n.getUTCDay()&&1!=n.getUTCDate()}],["%b %d",function(n){return 1!=n.getUTCDate()}],["%B",function(n){return n.getUTCMonth()}],["%Y",zt]]);ec.year=go.year.utc,go.scale.utc=function(){return ra(oa.scale.linear(),ec,rc)},oa.text=An(function(n){return n.responseText}),oa.json=function(n,t){return Cn(n,"application/json",ia,t)},oa.html=function(n,t){return Cn(n,"text/html",aa,t)},oa.xml=An(function(n){return n.responseXML}),"function"==typeof define&&define.amd?(this.d3=oa,define(oa)):"object"==typeof module&&module.exports?module.exports=oa:this.d3=oa}();
Raw
data.csv
Word Category Total
Battery Negative 161
Battery Positive 192
Battery Negative 174
Battery Positive 245
Battery Negative 222
Battery Positive 364
Battery Negative 367
Battery Positive 493
Battery Negative 359
Battery Positive 466
Camera Negative 2
Camera Negative 571
Camera Positive 648
Camera Negative 262
Camera Positive 263
Camera Negative 140
Camera Positive 140
Camera Negative 27
Camera Positive 20
Camera Negative 2
Camera Positive 2
Camera Negative 1
Customer Wants Negative 3
Design & Durability Negative 310
Design & Durability Positive 419
Design & Durability Negative 21
Design & Durability Positive 16
Design & Durability Negative 8
Design & Durability Positive 16
Design & Durability Negative 8
Design & Durability Positive 16
Design & Durability Negative 8
Design & Durability Positive 16
Design & Durability Negative 9
Design & Durability Positive 16
Design & Durability Negative 11
Design & Durability Positive 8
Design & Durability Negative 27
Design & Durability Positive 31
Design & Durability Negative 10
Design & Durability Positive 19
Design & Durability Negative 308
Design & Durability Positive 390
Design & Durability Negative 11
Design & Durability Positive 30
Design & Durability Negative 8
Design & Durability Positive 16
Design & Durability Negative 35
Design & Durability Positive 6
Hardware Negative 1
Hardware Positive 3
Hardware Negative 1
Hardware Positive 3
Hardware Negative 3
Hardware Positive 4
Hardware Negative 24
Hardware Positive 6
Hardware Negative 2
Hardware Positive 3
Hardware Negative 1
Hardware Positive 3
Hardware Negative 1
Hardware Positive 3
Hardware Negative 1
Hardware Positive 3
Hardware Negative 1
Hardware Positive 3
Hardware Negative 18
Hardware Positive 11
Hardware Negative 1
Hardware Positive 3
Hardware Negative 1
Hardware Positive 3
Hardware Negative 1
Hardware Positive 3
Hardware Negative 2
Hardware Positive 3
Hardware Negative 2
Hardware Positive 3
Hardware Negative 10
Hardware Positive 7
IM, Social & Entertainment Negative 9
IM, Social & Entertainment Positive 10
IM, Social & Entertainment Negative 43
IM, Social & Entertainment Positive 67
IM, Social & Entertainment Negative 43
IM, Social & Entertainment Positive 67
IM, Social & Entertainment Negative 43
IM, Social & Entertainment Positive 67
IM, Social & Entertainment Negative 391
IM, Social & Entertainment Positive 438
IM, Social & Entertainment Negative 1
OS & Software Negative 42
OS & Software Positive 99
OS & Software Negative 43
OS & Software Positive 67
OS & Software Negative 47
OS & Software Positive 67
OS & Software Negative 2
OS & Software Positive 1
OS & Software Negative 2
OS & Software Negative 1
OS & Software Negative 43
OS & Software Positive 67
OS & Software Negative 43
OS & Software Positive 67
OS & Software Negative 2
OS & Software Negative 43
OS & Software Positive 67
OS & Software Negative 1
OS & Software Negative 43
OS & Software Positive 67
Performance Negative 294
Performance Positive 378
Performance Negative 1
Performance Negative 371
Performance Positive 457
Performance Negative 63
Performance Positive 79
Performance Negative 105
Performance Positive 82
Performance Negative 288
Performance Positive 376
Performance Negative 7
Performance Positive 10
Performance Positive 1
Performance Negative 1
Screen Negative 148
Screen Positive 175
Screen Negative 301
Screen Positive 377
Screen Negative 1
Screen Positive 4
Screen Negative 52
Screen Positive 22
Screen Negative 21
Screen Positive 31
Screen Negative 146
Screen Positive 96
Screen Negative 1
Screen Positive 1
User Friendliness Negative 43
User Friendliness Positive 67
User Friendliness Negative 7
User Friendliness Positive 8
User Friendliness Negative 4
User Friendliness Positive 2
User Friendliness Negative 2
User Friendliness Positive 2
User Friendliness Negative 311
User Friendliness Positive 390
Value for Money Negative 132
Value for Money Positive 158
Raw
data.js
var rowData = [];
var data = {};
var colors = d3.scale.category20().range();
function readSingleFile(evt) {
//Retrieve the first (and only!) File from the FileList object
var f = evt.target.files[0];
if (f) {
var r = new FileReader();
r.onload = function (e) {
var contents = e.target.result;
var data = CSV2JSON(contents);
rowData = data;
processDate();
}
r.readAsText(f);
} else {
alert("Failed to load file");
}
evt.target.value = ""
}
document.getElementById('fileinput').addEventListener('change', readSingleFile, false);
d3.csv("data.csv")
.get(function (error, rows) {
rowData = rows;
processDate(rows);
});
function processDate() {
data.words = d3.nest()
.key(function (d) {
return d.Word;
})
.key(function (d) {
return d.Category;
})
.entries(rowData);
data.group = d3.nest().key(function (d) { return d.Word }).entries(rowData).map(function (d) { return d.key });
data.category = d3.nest()
.key(function (d) {
return d.Category;
}).entries(rowData).map(function (d, c) {
return { name: d.key, color: colors[c] };
});
data.categoryNames = data.category.map(function (d) { return d.name });
var items = document.querySelectorAll("#header UL .colorPicker");
for (var i = 0; i < items.length; i++) {
items[i].remove();
}
data.categoryNames.forEach(function (d, i) {
var div = document.createElement("LI");
div.setAttribute("class", "colorPicker");
var text = document.createElement("SPAN");
text.innerText = d;
div.appendChild(text);
var color = document.createElement("INPUT");
color.setAttribute("type", "color");
color.value = colors[i];
color.setAttribute("id", "color_" + (i + 1));
color.addEventListener("input", function () {
colors[i] = color.value;
//drawWordCount();
processDate();
}, false);
div.appendChild(color);
document.querySelector("#header UL").appendChild(div);
//document.body.appendChild(x);
});
data.words.forEach(function (d, index) {
d.id = "id" + (index + 1);
d.group = d.values[0].values[0].FEATURE_GROUP;
d.name = d.key;
delete d.key;
d.count = (new Array(data.categoryNames.length)).map(function (d) { return 0; });
d.values.forEach(function (dd, di) {
d.count[data.categoryNames.indexOf(d.values[di].key)] = d3.sum(d.values[di].values, function (d) { return +d.Total });
});
delete d.values;
});
function drawWordCount() {
var height = parseInt(d3.select("#g-chart").style("height"));
if (height === 0) {
height = window.innerHeight - 100;
}
var split = false;
var options = {
width: parseInt(d3.select("#g-chart").style("width")),
height: split == true ? (height / 2) * data.group.length : height,
minRadiusCircle: 15,
minRadius: 20,
maxRadius: 70,
minFontSize: 8,
collisionPadding: 4,
searchSelector: "#search",
chartSelector: "#g-chart",
split: split
};
wordCount(options, data);
}
drawWordCount();
}
function CSV2JSON(csvData, headerMapping) {
var retJSONdata = [];
var headerData = null;
var all_rows = null;
var flag = false;
var retValue = null;
var columnSeperator = ",";
all_rows = csvData.split("\n");
headerData = splitByChar(all_rows[0], columnSeperator, "\"", "\"", true, true);
all_rows.splice(0, 1);
flag = all_rows.every(function (d) {
if (d.length == 0) {
return true;
} else {
var trmpJSON = {};
var tempRow = splitByChar(d, columnSeperator, "\"", "\"", true, true);
if (tempRow.length == headerData.length) {
headerData.forEach(function (d1, i) {
if (headerMapping == undefined || headerMapping[d1] == undefined)
trmpJSON[d1] = tempRow[i];
else {
trmpJSON[headerMapping[d1]] = tempRow[i];
}
});
retJSONdata.push(trmpJSON);
return true;
} else {
return false;
}
}
});
if (!flag) {
throw Error("invalid csv");
} else {
retValue = retJSONdata;
};
return retValue;
}
function splitByChar(line, splitChar, enclosedStartChar, enclosedEndChar, removeEnclosedChar, trim) {
var arrFields = [];
var bracketCounter = 0;
var currLine = '';
for (cnt = 0; cnt < line.length; cnt++) {
if (line.charAt(cnt) == enclosedStartChar) {
if (enclosedStartChar == enclosedEndChar && bracketCounter > 0) {
bracketCounter--;
} else {
bracketCounter++;
}
} else if (line.charAt(cnt) == enclosedEndChar) {
bracketCounter--;
}
if (bracketCounter == 0) {
//if (line.charAt(cnt) == splitChar) {
if (line.substr(cnt, splitChar.length) == splitChar) {
if (removeEnclosedChar == true) {
if (currLine.indexOf(enclosedStartChar) == 0) {
currLine = currLine.substr(1, currLine.length - 2);
}
}
if (trim) {
currLine = currLine.trim();
}
arrFields.push(currLine);
currLine = "";
cnt += (splitChar.length - 1);
} else {
currLine += line.charAt(cnt);
}
} else {
currLine += line.charAt(cnt);
}
}
if (removeEnclosedChar == true) {
if (currLine.indexOf(enclosedStartChar) == 0) {
currLine = currLine.substr(1, currLine.length - 2);
}
}
if (trim) {
currLine = currLine.trim();
}
arrFields.push(currLine);
return arrFields;
}
Raw
index.css
#g-chart {
overflow: hidden;
position: relative;
}
#search {
border-right: none;
border-radius: 3px 0 0 3px;
border: solid 1px #ccc;
font: inherit;
padding: 4px 8px;
width: 223px;
}
.g-node.g-notSelected circle{
/*fill: #acbed1;*/ /* darker(.5) */
fill-opacity:0.5;
}
.g-node.g-hover circle{
/*fill: #acbed1;*/ /* darker(.5) */
fill-opacity:0.7;
stroke: #6081a3;
}
.g-node circle{
fill-opacity:1;
}
.g-node.g-selected circle{
/*fill: #99c0e5;*/ /* c *= 2, darker(.5) */
stroke: #6081a3; /* c *= 2, darker(2) */
stroke-width: 1.5px;
fill-opacity:1;
}
a.g-label {
color: inherit;
cursor: pointer;
display: block;
text-align: center;
text-decoration: none;
line-height: 1em;
position: absolute;
}
.g-label .g-value {
font: 11px sans-serif;
white-space: nowrap;
}
.g-overlay,
.g-node,
.g-label {
-webkit-tap-highlight-color: transparent;
}
.g-overlay {
fill: none;
pointer-events: all;
}
.g-body {
min-height: 700px;
}
.g-has-word .g-isnt-word,
.g-hasnt-word .g-is-word {
display: none;
}
.g-body h3 {
font-size: 18px;
line-height: 1.4em;
font-family: Georgia;
font-weight: normal;
margin-bottom: 0.9em;
}
.g-divider,
.g-mention,
.g-truncated {
border-top: solid 1px #ccc;
}
.g-head a {
border-radius: 3px;
padding: 3px 3px;
white-space: nowrap;
}
Raw
index.html
<html>
<head>
<style>
@import url("index.css");
#legend
{
display:inline;
white-space:nowrap;
padding:0px;
}
#legend li
{
display:inline;
padding: 0px 10px;
}
#legend li span
{
margin-right:5px;
padding:0px;
}
</style>
</head>
<body>
<div id="header" style="padding: 5px 20px;">
<input type="file" id="fileinput" />
<ul id="legend"></ul>
<input id="search" type="text" name="search" placeholder="Search..." tabindex="1" style="float: right;">
</div>
<div id="g-chart" style="margin: 5px 20px;">
</div>
<script src="d3.v3.min.js" charset="utf-8"></script>
<script src="wordCount.js"></script>
<script src="data.js"></script>
</body>
</html>
Raw
wordCount.js
function wordCount(options, data) {
var width = options.width,
height = options.height,
groupHeight = height / data.group.length;
var collisionPadding = options.collisionPadding,
clipPadding = 4,
minRadiusCircle = options.minRadiusCircle,
minRadius = options.minRadius, // minimum collision radius
maxRadius = options.maxRadius, // also determines collision search radius
activeWord,
minFontSize = options.minFontSize, // currently-displayed word
chartSelector = options.chartSelector,
searchSelector = options.searchSelector,
split = options.split || false;
d3.select(chartSelector + " .g-nodes").remove();
d3.select(chartSelector + " .g-labels").remove();
d3.select(chartSelector).append('div').attr("class", "g-labels");
d3.select(chartSelector).append('svg').attr("class", "g-nodes").attr("width", width).attr("height", height);
data.words.forEach(function (d) {
d.x = (width / 4) + (Math.random() * width / 2);
d.y = (height / 4) + (Math.random() * height / 2);
d.cx = d.x;
d.cy = d.y;
d.totalCount = d3.sum(d.count);
d.extraY = groupHeight * data.group.indexOf(d.group);
d.startPos = [];
d.endPos = [];
var updatedCount = 0;
d.count.forEach(function (dd, ii) {
d.startPos[ii] = updatedCount;
updatedCount += dd;
d.endPos[ii] = updatedCount;
});
});
var formatShortCount = d3.format(",.0f"),
formatLongCount = d3.format(".1f"),
formatCount = function (d) { return (d < 10 ? formatLongCount : formatShortCount)(d); };
var r = d3.scale.sqrt()
.domain([0, d3.max(data.words, function (d) { return d.totalCount; })])
.range([0, maxRadius]);
var force = d3.layout.force()
.charge(0)
.size([width, height])
.on("tick", tick);
var node = d3.select(".g-nodes").selectAll(".g-node"),
label = d3.select(".g-labels").selectAll(".g-label");
d3.select(".g-nodes").append("rect")
.attr("class", "g-overlay")
.attr("width", width)
.attr("height", height)
.on("click", clear);
d3.select(window)
.on("hashchange", hashchange);
d3.select(searchSelector).on("keyup", submit);
updateWords(data.words);
hashchange();
// Update the known words.
function updateWords(words) {
words.forEach(function (d) {
d.r = Math.max(minRadiusCircle, r(d.totalCount));
d.cr = Math.max(minRadius, d.r);
d.k = fraction(d.count[0], d.totalCount - d.count[0]);
if (isNaN(d.k)) d.k = .5;
if (isNaN(d.x)) d.x = (1 - d.k) * width + Math.random();
d.bias = (1 / data.category.length) - Math.max(0, Math.min(1, d.k));
});
data.words = words;
refresh(split);
}
function refresh(_split) {
split = _split;
force.size([width, split === true ? groupHeight : height]);
force.nodes(data.words).start();
updateNodes();
updateLabels();
tick({ alpha: 1 }); // synchronous update
}
// Update the displayed nodes.
function updateNodes() {
node = node.data(data.words, function (d) { return d.name; });
node.exit().remove();
var nodeEnter = node.enter().append("a")
.attr("class", "g-node")
.attr("xlink:href", function (d) { return "#" + encodeURIComponent(d.name); })
.call(force.drag)
.call(linkWord);
data.category.forEach(function (category) {
var categoryEnter = nodeEnter.append("g")
.attr("class", "g-" + category.name);
categoryEnter.append("clipPath")
.attr("id", function (d) { return "g-clip-" + category.name + "-" + d.id; })
.append("rect");
categoryEnter.append("circle").attr("fill", category.color);
});
node.selectAll("rect")
.attr("y", function (d) { return -d.r - clipPadding; })
.attr("height", function (d) { return 2 * d.r + 2 * clipPadding; });
data.category.forEach(function (category, i) {
node.select(".g-" + category.name + " rect")
.style("display", function (d) {
return (d.endPos[i] / d.totalCount) >= 0 ? null : "none"
})
.attr("x", function (d) {
return (-d.r - clipPadding) + (2 * (d.r + clipPadding) * (d.startPos[i] / d.totalCount))
})
.attr("width", function (d) {
return 2 * d.r + 2 * clipPadding
});
});
data.category.forEach(function (category, i) {
node.select(".g-" + category.name + " circle")
.attr("clip-path", function (d) {
return (d.startPos[i] / d.totalCount) <= 1 ? "url(#g-clip-" + category.name + "-" + d.id + ")" : null;
});
});
node.selectAll("circle")
.attr("r", function (d) { return d.r; });
return;
}
//Update the displayed node labels.
function updateLabels() {
label = label.data(data.words, function (d) { return d.name; });
label.exit().remove();
var labelEnter = label.enter().append("a")
.attr("class", "g-label")
.attr("href", function (d) { return "#" + encodeURIComponent(d.name); })
.call(force.drag)
.call(linkWord);
labelEnter.append("div")
.attr("class", "g-name")
.text(function (d) { return d.name; });
labelEnter.append("div")
.attr("class", "g-value");
label
.style("font-size", function (d) { return Math.max(minFontSize, d.cr / 2) + "px"; })
.style("width", function (d) { return d.r * 2.5 + "px"; });
// Create a temporary span to compute the true text width.
label.append("span")
.text(function (d) { return d.name; })
.each(function (d) { d.dx = Math.max(d.r * 2.5, this.getBoundingClientRect().width); })
.remove();
label
.style("width", function (d) { return d.dx + "px"; })
.select(".g-value")
.text(function (d) {
var vals = d.count.map(function (dd) { return formatShortCount(dd) });
return vals.join(" - ");//formatShortCount(d.parties[0].count) + " - " + formatShortCount(d.parties[1].count);
});
// Compute the height of labels when wrapped.
label.each(function (d) { d.dy = this.getBoundingClientRect().height; });
}
// Update the active word.
function updateActiveWord(word) {
if (word === null) {
node.classed("g-selected", false);
node.classed("g-notSelected", false);
}
else {
d3.selectAll(".g-head").attr("class", word ? "g-head g-has-word" : "g-head g-hasnt-word");
if (activeWord = word) {
node.classed("g-selected", function (d) { return d === word; });
}
/*else {
node.classed("g-selected", false);
node.classed("g-notSelected", false);
}*/
if (d3.select(".g-selected")[0][0] !== null) {
node.classed("g-notSelected", function (d) { return d !== word; });
}
}
}
// Assign event handlers to word links.
function linkWord(a) {
a.on("click", click)
.on("mouseover", mouseover)
.on("mouseout", mouseout);
}
// Returns the word matching the specified name, approximately.
// If no matching word is found, returns undefined.
function findWord(name) {
for (var i = 0, n = data.words.length, t; i < n; ++i) {
if ((t = data.words[i]).name.toLowerCase() === name.toLowerCase()) {
return t;
}
}
}
// Returns the word matching the specified name, approximately.
// If no matching word is found, a new one is created.
function findOrAddWord(name) {
var word = findWord(name);
if (!word) {
word = name;
word.y = 0;
}
return word;
}
// Simulate forces and update node and label positions on tick.
function tick(e) {
if (split === true) {
data.group.forEach(function (grp) {
node.filter(function (d) { return d.group === grp; })
.each(bias(e.alpha * 105))
.each(collide(.5, grp))
.attr("transform", function (d) {
return "translate(" + d.x + "," + (d.extraY + d.y) + ")";
});
});
label
.style("left", function (d) { return (d.x - d.dx / 2) + "px"; })
.style("top", function (d) { return (((d.extraY + d.y)) - d.dy / 2) + "px"; });
}
else {
node.each(bias(e.alpha * 105))
.each(collide(.5, null))
.attr("transform", function (d) { return "translate(" + d.x + "," + d.y + ")"; });
label
.style("left", function (d) { return (d.x - d.dx / 2) + "px"; })
.style("top", function (d) { return (d.y - d.dy / 2) + "px"; });
}
}
// A left-right bias causing words to orient by party preference.
function bias(alpha) {
return function (d) {
var dx = d.bias * alpha;
d.x += dx;
if (d.x < (d.cr + collisionPadding))
d.x = d.cr + collisionPadding;
else if (d.x > (width - (d.cr + collisionPadding)))
d.x = width - (d.cr + collisionPadding);
if (d.y < (d.cr + collisionPadding))
d.y = d.cr + collisionPadding;
else if (d.y > (height - (d.cr + collisionPadding)))
d.y = height - (d.cr + collisionPadding);
};
}
// Resolve collisions between nodes.
function collide(alpha, grp) {
var q = d3.geom.quadtree(data.words.filter(function (d) { return grp === null || d.group === grp }));
return function (d) {
var r = d.cr + maxRadius + collisionPadding,
nx1 = d.x - r,
nx2 = d.x + r,
ny1 = (d.y) - r,
ny2 = (d.y) + r;
q.visit(function (quad, x1, y1, x2, y2) {
if (quad.point && (quad.point !== d) && d.other !== quad.point && d !== quad.point.other) {
var x = d.x - quad.point.x,
y = (d.y) - quad.point.y,
l = Math.sqrt(x * x + y * y),
r = d.cr + quad.point.r + collisionPadding;
if (l < r) {
if (l === 0)
l = 1;
l = (l - r) / l * alpha;
d.x -= x *= l;
d.y -= y *= l;
quad.point.x += x;
quad.point.y += y;
}
}
return x1 > nx2 || x2 < nx1 || y1 > ny2 || y2 < ny1;
});
};
}
// Given two quantities a and b, returns the fraction to split the circle a + b.
function fraction(a, b) {
var k = a / (a + b);
//if (k > 0 && k < 1) {
// var t0, t1 = Math.pow(12 * k * Math.PI, 1 / 3);
// for (var i = 0; i < 10; ++i) { // Solve for theta numerically.
// t0 = t1;
// t1 = (Math.sin(t0) - t0 * Math.cos(t0) + 2 * k * Math.PI) / (1 - Math.cos(t0));
// }
// k = (1 - Math.cos(t1 / 2)) / 2;
//}
return k;
}
// Update the active word on hashchange, perhaps creating a new word.
function hashchange() {
var name = decodeURIComponent(location.hash.substring(1)).trim();
updateActiveWord(name && name != "!" ? findOrAddWord(name) : null);
}
// Trigger a hashchange on submit.
function submit() {
node.classed("g-selected", false);
node.classed("g-notSelected", false);
var name = d3.select(searchSelector)[0][0].value.trim();
if (d3.event.keyCode === 13) {
d3.select(searchSelector)[0][0].value = "";
location.hash = name ? encodeURIComponent(name) : "!";
return;
}
if (name.length > 0) {
node.classed("g-selected", function (d) {
return d.name.toLowerCase().indexOf(name.toLowerCase()) > -1;
});
if (d3.selectAll(".g-selected")[0].length > 0) {
node.classed("g-notSelected", function (d) { return d.name.toLowerCase().indexOf(name.toLowerCase()) === -1 });
}
}
//
//this.search.value = "";
//d3.event.preventDefault();
}
// Clear the active word when clicking on the chart background.
function clear() {
location.replace("#!");
}
// Rather than flood the browser history, use location.replace.
function click(d) {
location.replace("#" + encodeURIComponent(d === activeWord ? "!" : d.name));
d3.event.preventDefault();
}
// When hovering the label, highlight the associated node and vice versa.
// When no word is active, also cross-highlight with any mentions in excerpts.
function mouseover(d) {
node.classed("g-hover", function (p) { return p === d; });
if (!activeWord) d3.selectAll(".g-mention p").classed("g-hover", function (p) { return p.word === d; });
}
// When hovering the label, highlight the associated node and vice versa.
// When no word is active, also cross-highlight with any mentions in excerpts.
function mouseout(d) {
node.classed("g-hover", false);
if (!activeWord) d3.selectAll(".g-mention p").classed("g-hover", false);
}
return refresh;
}
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