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Last active August 24, 2017 15:08
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Kentucky Population Density - Searchable
Raw
.block
license: gpl-3.0
height: 600
Raw
awesomplete.css
.awesomplete [hidden] {
display: none;
}
.awesomplete .visually-hidden {
position: absolute;
clip: rect(0, 0, 0, 0);
}
.awesomplete {
display: inline-block;
position: relative;
}
.awesomplete > input {
display: block;
}
.awesomplete > ul {
position: absolute;
left: 0;
z-index: 1;
min-width: 100%;
box-sizing: border-box;
list-style: none;
padding: 0;
margin: 0;
background: #fff;
}
.awesomplete > ul:empty {
display: none;
}
.awesomplete > ul {
border-radius: .3em;
margin: .2em 0 0;
background: hsla(0,0%,100%,.9);
background: linear-gradient(to bottom right, white, hsla(0,0%,100%,.8));
border: 1px solid rgba(0,0,0,.3);
box-shadow: .05em .2em .6em rgba(0,0,0,.2);
text-shadow: none;
}
@supports (transform: scale(0)) {
.awesomplete > ul {
transition: .3s cubic-bezier(.4,.2,.5,1.4);
transform-origin: 1.43em -.43em;
}
.awesomplete > ul[hidden],
.awesomplete > ul:empty {
opacity: 0;
transform: scale(0);
display: block;
transition-timing-function: ease;
}
}
/* Pointer */
.awesomplete > ul:before {
content: "";
position: absolute;
top: -.43em;
left: 1em;
width: 0; height: 0;
padding: .4em;
background: white;
border: inherit;
border-right: 0;
border-bottom: 0;
-webkit-transform: rotate(45deg);
transform: rotate(45deg);
}
.awesomplete > ul > li {
position: relative;
padding: .2em .5em;
cursor: pointer;
}
.awesomplete > ul > li:hover {
background: hsl(200, 40%, 80%);
color: black;
}
.awesomplete > ul > li[aria-selected="true"] {
background: hsl(205, 40%, 40%);
color: white;
}
.awesomplete mark {
background: hsl(65, 100%, 50%);
}
.awesomplete li:hover mark {
background: hsl(68, 100%, 41%);
}
.awesomplete li[aria-selected="true"] mark {
background: hsl(86, 100%, 21%);
color: inherit;
}
/*# sourceMappingURL=awesomplete.css.map */
Raw
awesomplete.min.js
// Awesomplete - Lea Verou - MIT license
!function(){function t(t){var e=Array.isArray(t)?{label:t[0],value:t[1]}:"object"==typeof t&&"label"in t&&"value"in t?t:{label:t,value:t};this.label=e.label||e.value,this.value=e.value}function e(t,e,i){for(var n in e){var s=e[n],r=t.input.getAttribute("data-"+n.toLowerCase());"number"==typeof s?t[n]=parseInt(r):!1===s?t[n]=null!==r:s instanceof Function?t[n]=null:t[n]=r,t[n]||0===t[n]||(t[n]=n in i?i[n]:s)}}function i(t,e){return"string"==typeof t?(e||document).querySelector(t):t||null}function n(t,e){return o.call((e||document).querySelectorAll(t))}function s(){n("input.awesomplete").forEach(function(t){new r(t)})}var r=function(t,n){var s=this;this.isOpened=!1,this.input=i(t),this.input.setAttribute("autocomplete","off"),this.input.setAttribute("aria-autocomplete","list"),n=n||{},e(this,{minChars:2,maxItems:10,autoFirst:!1,data:r.DATA,filter:r.FILTER_CONTAINS,sort:!1!==n.sort&&r.SORT_BYLENGTH,item:r.ITEM,replace:r.REPLACE},n),this.index=-1,this.container=i.create("div",{className:"awesomplete",around:t}),this.ul=i.create("ul",{hidden:"hidden",inside:this.container}),this.status=i.create("span",{className:"visually-hidden",role:"status","aria-live":"assertive","aria-relevant":"additions",inside:this.container}),this._events={input:{input:this.evaluate.bind(this),blur:this.close.bind(this,{reason:"blur"}),keydown:function(t){var e=t.keyCode;s.opened&&(13===e&&s.selected?(t.preventDefault(),s.select()):27===e?s.close({reason:"esc"}):38!==e&&40!==e||(t.preventDefault(),s[38===e?"previous":"next"]()))}},form:{submit:this.close.bind(this,{reason:"submit"})},ul:{mousedown:function(t){var e=t.target;if(e!==this){for(;e&&!/li/i.test(e.nodeName);)e=e.parentNode;e&&0===t.button&&(t.preventDefault(),s.select(e,t.target))}}}},i.bind(this.input,this._events.input),i.bind(this.input.form,this._events.form),i.bind(this.ul,this._events.ul),this.input.hasAttribute("list")?(this.list="#"+this.input.getAttribute("list"),this.input.removeAttribute("list")):this.list=this.input.getAttribute("data-list")||n.list||[],r.all.push(this)};r.prototype={set list(t){if(Array.isArray(t))this._list=t;else if("string"==typeof t&&t.indexOf(",")>-1)this._list=t.split(/\s*,\s*/);else if((t=i(t))&&t.children){var e=[];o.apply(t.children).forEach(function(t){if(!t.disabled){var i=t.textContent.trim(),n=t.value||i,s=t.label||i;""!==n&&e.push({label:s,value:n})}}),this._list=e}document.activeElement===this.input&&this.evaluate()},get selected(){return this.index>-1},get opened(){return this.isOpened},close:function(t){this.opened&&(this.ul.setAttribute("hidden",""),this.isOpened=!1,this.index=-1,i.fire(this.input,"awesomplete-close",t||{}))},open:function(){this.ul.removeAttribute("hidden"),this.isOpened=!0,this.autoFirst&&-1===this.index&&this.goto(0),i.fire(this.input,"awesomplete-open")},destroy:function(){i.unbind(this.input,this._events.input),i.unbind(this.input.form,this._events.form);var t=this.container.parentNode;t.insertBefore(this.input,this.container),t.removeChild(this.container),this.input.removeAttribute("autocomplete"),this.input.removeAttribute("aria-autocomplete");var e=r.all.indexOf(this);-1!==e&&r.all.splice(e,1)},next:function(){var t=this.ul.children.length;this.goto(this.index<t-1?this.index+1:t?0:-1)},previous:function(){var t=this.ul.children.length,e=this.index-1;this.goto(this.selected&&-1!==e?e:t-1)},goto:function(t){var e=this.ul.children;this.selected&&e[this.index].setAttribute("aria-selected","false"),this.index=t,t>-1&&e.length>0&&(e[t].setAttribute("aria-selected","true"),this.status.textContent=e[t].textContent,this.ul.scrollTop=e[t].offsetTop-this.ul.clientHeight+e[t].clientHeight,i.fire(this.input,"awesomplete-highlight",{text:this.suggestions[this.index]}))},select:function(t,e){if(t?this.index=i.siblingIndex(t):t=this.ul.children[this.index],t){var n=this.suggestions[this.index];i.fire(this.input,"awesomplete-select",{text:n,origin:e||t})&&(this.replace(n),this.close({reason:"select"}),i.fire(this.input,"awesomplete-selectcomplete",{text:n}))}},evaluate:function(){var e=this,i=this.input.value;i.length>=this.minChars&&this._list.length>0?(this.index=-1,this.ul.innerHTML="",this.suggestions=this._list.map(function(n){return new t(e.data(n,i))}).filter(function(t){return e.filter(t,i)}),!1!==this.sort&&(this.suggestions=this.suggestions.sort(this.sort)),this.suggestions=this.suggestions.slice(0,this.maxItems),this.suggestions.forEach(function(t){e.ul.appendChild(e.item(t,i))}),0===this.ul.children.length?this.close({reason:"nomatches"}):this.open()):this.close({reason:"nomatches"})}},r.all=[],r.FILTER_CONTAINS=function(t,e){return RegExp(i.regExpEscape(e.trim()),"i").test(t)},r.FILTER_STARTSWITH=function(t,e){return RegExp("^"+i.regExpEscape(e.trim()),"i").test(t)},r.SORT_BYLENGTH=function(t,e){return t.length!==e.length?t.length-e.length:t<e?-1:1},r.ITEM=function(t,e){return i.create("li",{innerHTML:""===e.trim()?t:t.replace(RegExp(i.regExpEscape(e.trim()),"gi"),"<mark>$&</mark>"),"aria-selected":"false"})},r.REPLACE=function(t){this.input.value=t.value},r.DATA=function(t){return t},Object.defineProperty(t.prototype=Object.create(String.prototype),"length",{get:function(){return this.label.length}}),t.prototype.toString=t.prototype.valueOf=function(){return""+this.label};var o=Array.prototype.slice;i.create=function(t,e){var n=document.createElement(t);for(var s in e){var r=e[s];if("inside"===s)i(r).appendChild(n);else if("around"===s){var o=i(r);o.parentNode.insertBefore(n,o),n.appendChild(o)}else s in n?n[s]=r:n.setAttribute(s,r)}return n},i.bind=function(t,e){if(t)for(var i in e){var n=e[i];i.split(/\s+/).forEach(function(e){t.addEventListener(e,n)})}},i.unbind=function(t,e){if(t)for(var i in e){var n=e[i];i.split(/\s+/).forEach(function(e){t.removeEventListener(e,n)})}},i.fire=function(t,e,i){var n=document.createEvent("HTMLEvents");n.initEvent(e,!0,!0);for(var s in i)n[s]=i[s];return t.dispatchEvent(n)},i.regExpEscape=function(t){return t.replace(/[-\\^$*+?.()|[\]{}]/g,"\\$&")},i.siblingIndex=function(t){for(var e=0;t=t.previousElementSibling;e++);return e},"undefined"!=typeof Document&&("loading"!==document.readyState?s():document.addEventListener("DOMContentLoaded",s)),r.$=i,r.$$=n,"undefined"!=typeof self&&(self.Awesomplete=r),"object"==typeof module&&module.exports&&(module.exports=r)}();
//# sourceMappingURL=awesomplete.min.js.map
Raw
index.html
<!DOCTYPE html>
<meta charset="utf-8">
<head>
<style>
body {
font-family: sans-serif;
}
svg {
font: 10px sans-serif;
}
.caption {
font-weight: bold;
fill: #000;
}
.key path {
display: none;
}
.key line {
stroke: #000;
shape-rendering: crispEdges;
}
#search-container {
margin-left: 400px;
margin-top: 25px;
margin-bottom: 20px;
}
.description {
width: 200px;
height: 30px;
margin-left: 280px;
margin-top: -400px;
}
.county {
fill: none;
}
.county-border {
fill: none;
}
.state-border {
fill: none;
}
</style>
<link href="./awesomplete.css" rel="stylesheet">
<script src="./awesomplete.min.js"></script>
</head>
<body>
<div id="search-container">
</div>
<script src="//d3js.org/d3.v4.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>
let width = 960,
height = 600;
let color = d3.scaleThreshold()
.domain([30, 60, 120, 360])
.range(["#ffffcc","#c2e699","#78c679","#31a354","#006837"]);
// A position encoding for the key only.
let x = d3.scaleLinear()
.domain([0, 390])
.range([0, 240]);
let xAxis = d3.axisBottom()
.scale(x)
.tickSize(13)
.tickValues(color.domain());
// Kentucky State Plane, Single Zone
// ftp://kygeonet.ky.gov/kygeodata/standards/Ky_StatePlane.pdf
let projection = d3.geoConicConformal()
.rotate([85 + 45 / 60, -36 - 20 / 60])
.parallels([37 + 05 / 60, 38 + 40 / 60])
.scale(7090)
.center([-0.04940, 0.906])
.translate([width / 2, height / 2]);
let path = d3.geoPath()
.projection(projection);
let svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", 500);
let g = svg.append("g")
.attr("class", "key")
.attr("transform", "translate(60,460)");
g.selectAll("rect")
.data(color.range().map(function(d, i) {
return {
x0: i ? x(color.domain()[i - 1]) : x.range()[0],
x1: i < color.domain().length ? x(color.domain()[i]) : x.range()[1],
z: d
};
}))
.enter().append("rect")
.attr("height", 8)
.attr("x", function(d) { return d.x0; })
.attr("width", function(d) { return d.x1 - d.x0; })
.style("fill", function(d) { return d.z; });
g.call(xAxis).append("text")
.attr("class", "caption")
.attr("text-anchor", "start")
.attr("y", -6)
.text("Population per square mile");
d3.json("ky-counties.json", function(error, ky) {
if (error) throw error;
let counties = topojson.feature(ky, ky.objects.counties),
countyNames = counties.features.map(c => c.properties.name.replace(" County", "")).sort();
let countyShapes = svg.append("g")
.attr("class", "county")
.selectAll("path")
.data(counties.features)
.enter().append("path")
.attr("stroke", "#fff")
.attr("stroke-width", 0.5);
countyShapes
.attr("d", path)
.style("fill", function(d) { return color(d.density = d.properties.population / d.properties.area); });
countyShapes
.on("mouseover", function(d) {
d3.select(".description").remove();
countyShapes.attr("stroke", "#fff")
.attr("stroke-width", 0.5);
d3.select(this)
.raise()
.attr("stroke", "#000")
.attr("stroke-width", 2.5);
makeDescription(d);
})
.on("mouseout", function(d) {
d3.select(this)
.lower()
.attr("stroke", "#fff")
.attr("stroke-width", 0.5);
d3.select(".description").remove();
});
handleSearching(countyNames, countyShapes);
d3.select("#county-input").node().focus();
svg.append("path")
.datum(topojson.mesh(ky, ky.objects.counties, function(a, b) { return a === b; }))
.attr("class", "state-border")
.attr("d", path)
.attr("stroke", "#777")
.attr("stroke-width", 1)
.lower();
svg.append("path")
.datum(topojson.mesh(ky, ky.objects.counties, function(a, b) { return a !== b; }))
.attr("class", "county-border")
.attr("d", path);
});
function makeDescription(d) {
d3.select("body")
.append("div")
.attr("class", "description")
.html(`<strong>${d.properties.name.replace(" County", "")}</strong>: ${d.density.toFixed(0)}/mi.²`);
}
function handleSearching(names, shapes) {
d3.select("#search-container")
.append("input")
.attr("class", "awesomplete")
.attr("id", "county-input")
.attr("tabindex", "0")
.property("placeholder", "Search by county");
new Awesomplete(d3.select("#county-input").node(), {
list: names
});
d3.select("#county-input")
.on("awesomplete-selectcomplete", function() {
let searchedCounty = shapes.filter(
d => d.properties.name.replace(" County", "") === d3.select(this).property("value")
);
shapes
.attr("stroke", "#fff")
.attr("stroke-width", 0.5);
searchedCounty
.raise()
.attr("stroke", "#000")
.attr("stroke-width", 2.5);
d3.select(".description").remove();
makeDescription(searchedCounty.data()[0]);
d3.select(this).property("value", "");
})
.on("blur", function() {
shapes
.attr("stroke", "#fff")
.attr("stroke-width", 0.5);
d3.select(".description").remove();
});
}
</script>
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ky-counties.json
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