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index.html
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<html>
<head>
<title>Generic Drug Name Etymology</title>
<!-- Ripped from https://github.com/dhg/Skeleton-->
<meta charset="utf-8">
<meta name="description" content="Generic Drug Name Etymology based on INN stems">
<meta name="author" content="Edridge D'Souza">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="//fonts.googleapis.com/css?family=Raleway:400,300,600" rel="stylesheet" type="text/css">
<link rel="stylesheet" href="css/normalize.css">
<link rel="stylesheet" href="css/skeleton.css">
<style>
body {
overflow-y: scroll;
}
li {
margin: 0px 0;
}
/*https://www.w3schools.com/howto/howto_js_autocomplete.asp*/
.autocomplete {
position: relative;
display: inline-block;
}
.autocomplete-items {
position: relative;
border: 1px solid #d4d4d4;
/*border-bottom: none;*/
border-top: none;
z-index: 99;
/*position the autocomplete items to be the same width as the container:*/
top: 100%;
left: 0;
right: 0;
}
.autocomplete-items div {
padding: 10px;
cursor: pointer;
background-color: #fff;
border-bottom: 1px solid #d4d4d4;
}
/*when hovering an item:*/
.autocomplete-items div:hover {
background-color: #e9e9e9;
}
/*when navigating through the items using the arrow keys:*/
.autocomplete-active {
background-color: DodgerBlue !important;
color: #ffffff;
}
</style>
<script src='./scripts/main.js'></script>
<script>
var stem_data;
var med_list;
fetch('./data/stems.tsv')
.then(response => response.text())
.then(data => stem_data = data)
.then(() => console.log(stem_data));
fetch('./data/essential_meds_2021.tsv')
.then(response => response.text())
.then(data => med_list = data.split('\n').map(x => x.trim()))
.then(() => console.log(med_list));
function analyze() {
var l = new Linguist(stem_data);
var drugname = document.getElementById('dname').value;
var out = document.getElementById("output");
var out_text = l.explain(drugname);
out.innerHTML = out_text; // Warning: technically not sanitized
}
</script>
</head>
<body>
<div class='container'>
<section style='margin-top: 5rem'>
<div class="row">
<div class="twelve columns">
<h1 class='header'>Generic Drug Etymology Search</h1>
</div>
</div>
</section>
<div class="row">
<div class="twelve columns">
Enter a drug name to guess possible etymologies based on the 2018 INN <a href="https://www.who.int/publications/i/item/who-emp-rht-tsn-2018-1">stem book</a>. Autocomplete based on 2021 WHO Essential Medicine <a href="https://www.who.int/publications/i/item/WHO-MHP-HPS-EML-2021.02">List</a>.
If you like this tool and want to modify it, the code is available on my <a href="https://github.com/edridgedsouza/drug-etymology">GitHub</a>. If you want to find the etymology of monoclonal antibodies in particular, check my <a href='https://edridgedsouza.github.io/drug-etymology/mAb.html'>mAb search page.</a>
<b>Warning: These are only educated guesses. You should independently verify whether any of these results make sense.</b>
<br /><br />
</div>
</div>
<div class="row">
<div class="eight columns">
<input class='u-full-width' type="text" id="dname" name="dname" placeholder="Drug name" style='margin-bottom:0px'>
<div class="autocomplete"></div>
</div>
<div class="two columns">
<button class='button-primary' id='analyze' onclick='analyze()'>Analyze</button>
</div>
</div>
<div class="row">
<div class="ten columns">
<div id='output'></div>
</div>
</div>
</div>
</div>
<script>
// https://www.w3schools.com/howto/howto_js_trigger_button_enter.asp
var input = document.getElementById("dname");
input.addEventListener("keyup", function(event) {
if (event.keyCode === 13) {
event.preventDefault();
document.getElementById("analyze").click();
}
});
// Autocomplete script from w3schools
function autocomplete(inp) {
/*the autocomplete function takes two arguments,
the text field element and an array of possible autocompleted values:*/
var currentFocus;
/*execute a function when someone writes in the text field:*/
inp.addEventListener("input", function(e) {
var a, b, i, val = this.value;
/*close any already open lists of autocompleted values*/
closeAllLists();
if (!val) {
return false;
}
currentFocus = -1;
/*create a DIV element that will contain the items (values):*/
a = document.createElement("DIV");
a.setAttribute("id", this.id + "autocomplete-list");
a.setAttribute("class", "autocomplete-items");
/*append the DIV element as a child of the autocomplete container:*/
this.parentNode.appendChild(a);
/*for each item in the array...*/
for (i = 0; i < med_list.length; i++) {
/*check if the item starts with the same letters as the text field value:*/
if (med_list[i].toUpperCase().includes(val.toUpperCase())) {
/*create a DIV element for each matching element:*/
b = document.createElement("DIV");
/*make the matching letters bold:*/
match_pos = med_list[i].toUpperCase().indexOf(val.toUpperCase())
b.innerHTML = med_list[i].substr(0, match_pos)
b.innerHTML += "<strong>" + med_list[i].substr(match_pos, val.length) + "</strong>";
b.innerHTML += med_list[i].substr(match_pos + val.length);
/*insert a input field that will hold the current array item's value:*/
b.innerHTML += "<input type='hidden' value='" + med_list[i] + "'>";
/*execute a function when someone clicks on the item value (DIV element):*/
b.addEventListener("click", function(e) {
/*insert the value for the autocomplete text field:*/
inp.value = this.getElementsByTagName("input")[0].value;
/*close the list of autocompleted values,
(or any other open lists of autocompleted values:*/
closeAllLists();
document.getElementById("analyze").click();
});
if (a.childElementCount < 10) {
a.appendChild(b);
}
}
}
});
/*execute a function presses a key on the keyboard:*/
inp.addEventListener("keydown", function(e) {
var x = document.getElementById(this.id + "autocomplete-list");
if (x) x = x.getElementsByTagName("div");
if (e.keyCode == 40) {
/*If the arrow DOWN key is pressed,
increase the currentFocus variable:*/
currentFocus++;
/*and and make the current item more visible:*/
addActive(x);
} else if (e.keyCode == 38) { //up
/*If the arrow UP key is pressed,
decrease the currentFocus variable:*/
currentFocus--;
/*and and make the current item more visible:*/
addActive(x);
} else if (e.keyCode == 13) {
/*If the ENTER key is pressed, prevent the form from being submitted,*/
e.preventDefault();
if (currentFocus > -1) {
/*and simulate a click on the "active" item:*/
if (x) x[currentFocus].click();
}
}
});
function addActive(x) {
/*a function to classify an item as "active":*/
if (!x) return false;
/*start by removing the "active" class on all items:*/
removeActive(x);
if (currentFocus >= x.length) currentFocus = 0;
if (currentFocus < 0) currentFocus = (x.length - 1);
/*add class "autocomplete-active":*/
x[currentFocus].classList.add("autocomplete-active");
}
function removeActive(x) {
/*a function to remove the "active" class from all autocomplete items:*/
for (var i = 0; i < x.length; i++) {
x[i].classList.remove("autocomplete-active");
}
}
function closeAllLists(elmnt) {
/*close all autocomplete lists in the document,
except the one passed as an argument:*/
var x = document.getElementsByClassName("autocomplete-items");
for (var i = 0; i < x.length; i++) {
if (elmnt != x[i] && elmnt != inp) {
x[i].parentNode.removeChild(x[i]);
}
}
}
/*execute a function when someone clicks in the document:*/
document.addEventListener("click", function(e) {
closeAllLists(e.target);
});
}
autocomplete(document.getElementById("dname"), med_list);
</script>
</body>
</html>