OpenTally/html/index.js

116 lines
4.4 KiB
JavaScript

/* OpenTally: Open-source election vote counting
* Copyright © 2021 Lee Yingtong Li (RunasSudo)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
function clickAdvancedOptions() {
if (document.getElementById('divAdvancedOptions').style.display === 'none') {
document.getElementById('divAdvancedOptions').style.display = 'grid';
document.getElementById('btnAdvancedOptions').innerHTML = 'Hide advanced options';
} else {
document.getElementById('divAdvancedOptions').style.display = 'none';
document.getElementById('btnAdvancedOptions').innerHTML = 'Show advanced options';
}
}
var tblResult = document.getElementById('result');
var divLogs2 = document.getElementById('resultLogs2');
var olStageComments;
var worker = new Worker('worker.js');
worker.onmessage = function(evt) {
if (evt.data.type === 'init') {
document.getElementById('spanRevNum').innerText = evt.data.version;
document.getElementById('divLoading').style.display = 'none';
document.getElementById('divUI').style.display = 'block';
} else if (evt.data.type === 'initResultsTable') {
tblResult.innerHTML = evt.data.content;
divLogs2.innerHTML = '<p>Stage comments:</p>';
olStageComments = document.createElement('ol');
divLogs2.append(olStageComments);
} else if (evt.data.type === 'describeCount') {
document.getElementById('resultLogs1').innerHTML = evt.data.content;
} else if (evt.data.type === 'updateResultsTable') {
for (let i = 0; i < evt.data.result.length; i++) {
if (evt.data.result[i]) {
tblResult.rows[i].insertAdjacentHTML('beforeend', evt.data.result[i]);
// Update candidate status
if (i >= 3 && i % 2 == 1) {
if (tblResult.rows[i].lastElementChild.classList.contains('elected')) {
tblResult.rows[i].cells[0].classList.add('elected');
} else {
tblResult.rows[i].cells[0].classList.remove('elected');
}
}
}
}
} else if (evt.data.type === 'updateStageComments') {
let elLi = document.createElement('li');
elLi.innerHTML = evt.data.comment;
olStageComments.append(elLi);
} else if (evt.data.type === 'finalResultSummary') {
divLogs2.insertAdjacentHTML('beforeend', evt.data.summary);
}
}
worker.onerror = function(evt) {
alert('An unknown error occurred while counting the votes. More details may be available in the browser\'s developer console.');
}
async function clickCount() {
if (document.getElementById('bltFile').files.length === 0) {
return;
}
// Read BLT file
let filePath = document.getElementById('bltFile').value;
filePath = filePath.substring(Math.max(filePath.lastIndexOf('\\'), filePath.lastIndexOf('/')) + 1);
let bltFile = document.getElementById('bltFile').files[0];
let electionData = await bltFile.text();
// Init STV options
let optsStr = [
document.getElementById('chkRoundTVs').checked ? parseInt(document.getElementById('txtRoundTVs').value) : null,
document.getElementById('chkRoundWeights').checked ? parseInt(document.getElementById('txtRoundWeights').value) : null,
document.getElementById('chkRoundVotes').checked ? parseInt(document.getElementById('txtRoundVotes').value) : null,
document.getElementById('chkRoundQuota').checked ? parseInt(document.getElementById('txtRoundQuota').value) : null,
document.getElementById('selQuota').value,
document.getElementById('selQuotaCriterion').value,
document.getElementById('selTransfers').value,
document.getElementById('selSurplus').value,
document.getElementById('selPapers').value == 'transferable',
document.getElementById('selExclusion').value,
parseInt(document.getElementById('txtPPDP').value),
];
// Dispatch to worker
worker.postMessage({
'type': 'countElection',
'electionData': electionData,
'optsStr': optsStr,
'filePath': filePath,
'numbers': document.getElementById('selNumbers').value,
'decimals': document.getElementById('txtDP').value,
});
}