RunasSudo
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pyRCV2
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Add printable reports

This commit is contained in:
RunasSudo 2021-01-10 18:31:59 +11:00
parent c78a30d5b2
commit 165e98fb87
Signed by: RunasSudo
GPG Key ID: 7234E476BF21C61A
4 changed files with 171 additions and 15 deletions
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2
README.md
View File

@ -31,6 +31,8 @@ After preparing the BLT file, head to <https://yingtongli.me/rcv/>. Select the B
By clicking *Show advanced options*, you can customise the options used for the count. A detailed explanation of the various options can be found [here](https://yingtongli.me/git/pyRCV2/about/docs/options.md).
Once the count is complete, you can click *Print result* to generate a printable result report.
## Command line usage
pyRCV2 may also be invoked as a command line application. Run `python -m pyRCV2 --help` to view help.

20
html/index.html
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@ -23,7 +23,7 @@
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.min.css" integrity="sha512-NhSC1YmyruXifcj/KFRWoC561YpHpc5Jtzgvbuzx5VozKpWvQ+4nXhPdFgmx8xqexRcpAglTj9sIBWINXa8x5w==" crossorigin="anonymous" />
<link rel="stylesheet" type="text/css" href="main.css?v=GITVERSION">
</head>
<body>
<body class="interactive">
<div class="menudiv">
<input type="file" id="bltFile">
<button onclick="clickCount()">Count</button>
@ -214,9 +214,25 @@
</div>
</div>
<div id="resultLogs1"></div>
<table id="result"></table>
<div id="resultLogs"></div>
<div id="resultLogs2"></div>
<div id="printPane" style="display: none;">
<button onclick="printResult()">Print result</button>
<label>
Paper size:
<select id="selPaperSize">
<option value="A4" selected>A4</option>
<option value="A3">A3</option>
<option value="letter">US Letter</option>
</select>
</label>
</div>
<div id="printWarning" style="display: none;">Printing directly from this page is not supported. Use the ‘Print result’ button to generate a printer-friendly report.</div>
<script>
var pyRCV2version = 'GITVERSION';

149
html/index.js
View File

@ -183,8 +183,10 @@ async function clickCount() {
let tblResults = document.getElementById('result');
tblResults.innerHTML = '';
let candMap = {}; // candidate name -> rows
let divResultLogs = document.getElementById('resultLogs');
divResultLogs.innerHTML = '';
let divResultLogs1 = document.getElementById('resultLogs1');
let divResultLogs2 = document.getElementById('resultLogs2');
divResultLogs1.innerHTML = '';
divResultLogs2.innerHTML = '';
// Step election
let worker = new Worker('worker.js');
@ -306,13 +308,13 @@ async function clickCount() {
} else {
elP.innerHTML += ' Counting using options <span style="font-family:monospace;">' + evt.data.options + '</span>.';
}
divResultLogs.appendChild(elP);
divResultLogs1.appendChild(elP);
elP = document.createElement('p');
elP.innerText = 'Stage comments:';
divResultLogs.appendChild(elP);
divResultLogs2.appendChild(elP);
olLogs = document.createElement('ol');
divResultLogs.appendChild(olLogs);
divResultLogs2.appendChild(olLogs);
}
if (evt.data.type === 'result') {
@ -448,7 +450,7 @@ async function clickCount() {
let elP = document.createElement('p');
elP.innerText = 'Count complete. The winning candidates are, in order of election:'
divResultLogs.appendChild(elP);
divResultLogs2.appendChild(elP);
winners.sort(function(x1, x2) { return x1[1].order_elected - x2[1].order_elected; });
let elOl = document.createElement('ol');
@ -457,7 +459,9 @@ async function clickCount() {
elLi.innerText = candidate;
elOl.appendChild(elLi);
}
divResultLogs.appendChild(elOl);
divResultLogs2.appendChild(elOl);
document.getElementById('printPane').style.display = 'block';
}
}
@ -526,3 +530,134 @@ if (document.getElementById('txtSeed').value === '') {
let d = new Date();
document.getElementById('txtSeed').value = d.getFullYear() + pad(d.getMonth() + 1) + pad(d.getDate());
}
// Split across pages when required for printing
function printResult() {
let printableWidth; // Printable width in CSS pixels
let paperSize = document.getElementById('selPaperSize').value;
if (paperSize === 'A4') {
printableWidth = (29.7 - 2) * 96 / 2.54;
} else if (paperSize === 'A3') {
printableWidth = (42.0 - 2) * 96 / 2.54;
} else if (paperSize === 'letter') {
printableWidth = (27.9 - 2) * 96 / 2.54;
}
printableWidth = Math.round(printableWidth);
let wprint = window.open('');
wprint.document.title = 'pyRCV2 Report';
// Add stylesheets
for (let elCSSBase of document.querySelectorAll('head link')) {
let elCSS = wprint.document.createElement('link');
elCSS.rel = elCSSBase.rel;
elCSS.type = elCSSBase.type;
elCSS.href = elCSSBase.href;
wprint.document.head.appendChild(elCSS);
}
// Configure printing
let elStyle = wprint.document.createElement('style');
elStyle.innerHTML = '@page { size: ' + paperSize + ' landscape; margin: 1cm; } @media print { body { padding: 0; } }';
wprint.document.head.appendChild(elStyle);
let elContainer = wprint.document.createElement('div');
elContainer.id = 'printContainer';
elContainer.style.width = printableWidth + 'px';
wprint.document.body.appendChild(elContainer);
// Copy result logs 1
let divResultLogs1 = document.getElementById('resultLogs1');
let divResultLogs2 = wprint.document.createElement('div');
divResultLogs2.innerHTML = divResultLogs1.innerHTML;
elContainer.appendChild(divResultLogs2);
// Parse table, accounting for rowspan
let elTrs1 = document.querySelector('#result').rows;
let rows = [];
for (let elTr1 of elTrs1) {
rows.push([]);
}
for (let r = 0; r < elTrs1.length; r++) {
for (let c = 0; c < elTrs1[r].cells.length; c++) {
let elTd1 = elTrs1[r].cells[c];
rows[r].push(elTd1);
let rowspan = elTd1.getAttribute('rowspan');
// NB: Only works for rowspan in first column
if (rowspan !== null && c == 0) {
rowspan = parseInt(rowspan);
// Add ghost cells
for (let i = 1; i < rowspan; i++) {
rows[r + i].push(null);
}
}
}
}
function copyColumn(c, elTrs2) {
let tdsAdded = [];
for (let r = 0; r < rows.length; r++) {
if (c < rows[r].length) {
let elTd1 = rows[r][c];
if (elTd1 !== null) {
let elTd2 = wprint.document.createElement('td');
elTd2.innerHTML = elTd1.innerHTML;
elTd2.className = elTd1.className;
elTd2.setAttribute('rowspan', elTd1.getAttribute('rowspan'));
elTd2.setAttribute('style', elTd1.getAttribute('style'));
elTrs2[r].appendChild(elTd2);
tdsAdded.push(elTd2);
}
}
}
return tdsAdded;
}
function copyTableColumns(startCol) {
// Add table
let elTable2 = wprint.document.createElement('table');
elTable2.className = 'result';
if (startCol > 1) {
elTable2.style.pageBreakBefore = 'always';
}
elContainer.appendChild(elTable2);
// Add rows
let elTrs2 = [];
for (let elTr1 of elTrs1) {
let elTr2 = wprint.document.createElement('tr');
elTr2.className = elTr1.className;
elTrs2.push(elTr2);
elTable2.appendChild(elTr2);
}
// Copy first column
copyColumn(0, elTrs2);
// Copy column by column
for (let c = startCol; c < rows[0].length + 1; c++) { // +1 to account for final status column
let tdsAdded = copyColumn(c, elTrs2);
// Check if overflowed
if (elTable2.clientWidth > printableWidth) {
for (let elTd2 of tdsAdded) {
elTd2.remove();
}
// Start new table
return copyTableColumns(c);
}
}
}
copyTableColumns(1);
// Copy result logs2
divResultLogs1 = document.getElementById('resultLogs2');
divResultLogs2 = wprint.document.createElement('div');
divResultLogs2.innerHTML = divResultLogs1.innerHTML;
elContainer.appendChild(divResultLogs2);
wprint.print();
}

15
html/main.css
View File

@ -33,12 +33,6 @@ body {
padding-bottom: 0.5em;
}
@media print {
.menudiv {
display: none;
}
}
.menudiv .subheading {
font-size: 0.8em;
font-weight: bold;
@ -88,6 +82,15 @@ tr.info td {
background-color: #edededff;
}
@media print {
body.interactive > * {
display: none;
}
#printWarning {
display: block !important;
}
}
/* Form styling */
/* Adapted in part from https://github.com/nathansmith/formalize (GPL/MIT) */