<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>pyRCV2 test</title>
<style type="text/css">
html, body {
font-family: 'Liberation Sans', FreeSans, Helvetica, Arial, sans-serif;
}
table {
border-collapse: collapse;
}
td {
padding: 0px 8px;
}
td.count {
text-align: right;
}
tr:first-child td {
vertical-align: bottom;
}
td.excluded {
background-color: #fecfcfff;
}
td.elected {
background-color: #d1fca7ff;
}
tr.info td {
background-color: #edededff;
}
</style>
</head>
<body>
<input type="file" id="bltFile">
<button onclick="clickBtn();">OK</button>
<select id="numbers"><option value="native" selected>Native Float</option><option value="int">Native Integer</option><option value="rational">Rational</option><option value="fixed">Fixed (6 d.p.)</option></select>
<table id="result"></table>
<script src="http://peterolson.github.com/BigRational.js/BigInt_BigRat.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/big.js@6.0.0/big.min.js"></script>
<script src="bundle.js"></script>
<script>
async function clickBtn() {
// Read BLT file
let bltFile = document.getElementById('bltFile').files[0];
let text = await bltFile.text();
// Initialise table rows
let tblResults = document.getElementById('result');
tblResults.innerHTML = '';
let candMap = {}; // candidate name -> rows
// Step election
let worker = new Worker('worker.js');
let election, elComment, elExhausted1, elExhausted2, elLTF1, elLTF2, elTotal, elQuota;
worker.onmessage = function(evt) {
if (evt.data.type === 'init') {
election = evt.data.election;
// Comment row
elComment = document.createElement('tr');
let elTd = document.createElement('td');
elComment.appendChild(elTd);
tblResults.appendChild(elComment);
// Candidates
for (let candidate of election.candidates) {
let elTr1 = document.createElement('tr');
let elTr2 = document.createElement('tr');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = candidate;
elTr1.appendChild(elTd);
tblResults.appendChild(elTr1);
tblResults.appendChild(elTr2);
candMap[candidate] = [elTr1, elTr2];
}
// Exhausted votes row
elExhausted1 = document.createElement('tr');
elExhausted1.classList.add('info');
elExhausted2 = document.createElement('tr');
elExhausted2.classList.add('info');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Exhausted';
elExhausted1.appendChild(elTd);
tblResults.appendChild(elExhausted1);
tblResults.appendChild(elExhausted2);
// Loss to fraction row
elLTF1 = document.createElement('tr');
elLTF1.classList.add('info');
elLTF2 = document.createElement('tr');
elLTF2.classList.add('info');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Loss to fraction';
elLTF1.appendChild(elTd);
tblResults.appendChild(elLTF1);
tblResults.appendChild(elLTF2);
// Total row
elTotal = document.createElement('tr');
elTotal.classList.add('info');
elTd = document.createElement('td');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Total';
elTotal.appendChild(elTd);
tblResults.appendChild(elTotal);
// Quota row
elQuota = document.createElement('tr');
elQuota.classList.add('info');
elTd = document.createElement('td');
elTd.style.borderTop = '1px solid black';
elTd.style.borderBottom = '1px solid black';
elTd.innerText = 'Quota';
elQuota.appendChild(elTd);
tblResults.appendChild(elQuota);
}
if (evt.data.type === 'result') {
let result = evt.data.result;
// Display results
elTd = document.createElement('td');
elTd.innerText = result.comment;
elComment.appendChild(elTd);
for (let [candidate, countCard] of result.candidates) {
[elTr1, elTr2] = candMap[candidate];
elTd = document.createElement('td');
elTd.classList.add('count');
if (countCard.state === py.pyRCV2.model.CandidateState.WITHDRAWN || countCard.state === py.pyRCV2.model.CandidateState.EXCLUDED) {
elTd.classList.add('excluded');
} else if (countCard.state === py.pyRCV2.model.CandidateState.ELECTED || countCard.state === py.pyRCV2.model.CandidateState.PROVISIONALLY_ELECTED) {
elTd.classList.add('elected');
}
elTd.style.borderTop = '1px solid black';
if (countCard.transfers != '0.00') {
elTd.innerText = countCard.transfers;
}
elTr1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
if (countCard.state === py.pyRCV2.model.CandidateState.WITHDRAWN) {
elTd.classList.add('excluded');
elTd.innerText = 'WD';
} else if (countCard.state === py.pyRCV2.model.CandidateState.ELECTED || countCard.state === py.pyRCV2.model.CandidateState.PROVISIONALLY_ELECTED) {
elTd.classList.add('elected');
elTd.innerText = countCard.votes;
elTd.style.fontWeight = 'bold';
elTr1.querySelector('td:first-child').classList.add('elected');
} else if (countCard.state === py.pyRCV2.model.CandidateState.EXCLUDED) {
elTd.classList.add('excluded');
elTd.innerText = 'EX';
} else {
elTd.innerText = countCard.votes;
}
elTr2.appendChild(elTd);
}
// Display exhausted votes
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
if (result.exhausted.transfers != '0.00') {
elTd.innerText = result.exhausted.transfers;
}
elExhausted1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.innerText = result.exhausted.votes;
elExhausted2.appendChild(elTd);
// Display loss to fraction
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
if (result.loss_fraction.transfers != '0.00') {
elTd.innerText = result.loss_fraction.transfers;
}
elLTF1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.innerText = result.loss_fraction.votes;
elLTF2.appendChild(elTd);
// Display total
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
elTd.innerText = result.total;
elTotal.appendChild(elTd);
// Display quota
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
elTd.style.borderBottom = '1px solid black';
elTd.innerText = result.quota;
elQuota.appendChild(elTd);
}
}
worker.onerror = function(evt) {
throw evt;
}
worker.postMessage({
'numbers': document.getElementById('numbers').value,
'data': text
});
}
</script>
</body>
</html>