Implement print view
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@ -225,11 +225,13 @@
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</div>
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</div>
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<div id="resultsDiv">
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<div id="resultLogs1" style="white-space: pre-wrap;"></div>
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<table id="result" class="result"></table>
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<div id="resultLogs2"></div>
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</div>
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<div id="printPane" style="display: none;">
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<button onclick="printResult()">Print result</button>
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@ -240,11 +242,12 @@
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<option value="A3">A3</option>
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<option value="letter">US Letter</option>
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</select>
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(Landscape)
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</label>
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</div>
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</div>
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<div id="printWarning">Printing directly from this page is not supported. Use the ‘Print result’ button to generate a printer-friendly report.</div>
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</div>
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<script src="opentally.js?v=GITVERSION"></script>
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<script src="index.js?v=GITVERSION"></script>
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171
html/index.js
171
html/index.js
@ -69,6 +69,7 @@ worker.onmessage = function(evt) {
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} else if (evt.data.type === 'finalResultSummary') {
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divLogs2.insertAdjacentHTML('beforeend', evt.data.summary);
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document.getElementById('printPane').style.display = 'block';
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}
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}
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@ -114,6 +115,176 @@ async function clickCount() {
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});
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}
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// Print logic
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async function printResult() {
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let printableWidth; // Printable width in CSS pixels
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let paperSize = document.getElementById('selPaperSize').value;
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if (paperSize === 'A4') {
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printableWidth = (29.7 - 2) * 96 / 2.54;
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} else if (paperSize === 'A3') {
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printableWidth = (42.0 - 2) * 96 / 2.54;
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} else if (paperSize === 'letter') {
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printableWidth = (27.9 - 2) * 96 / 2.54;
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}
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printableWidth = Math.round(printableWidth);
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let wprint = window.open('');
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wprint.document.title = 'OpenTally Report';
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// Add stylesheets
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let numToLoad = 0;
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let numLoaded = -1;
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function onLoadStylesheet() {
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numLoaded++;
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if (numLoaded == numToLoad) {
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wprint.print();
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}
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}
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for (let elCSSBase of document.querySelectorAll('head link')) {
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numToLoad++;
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let elCSS = wprint.document.createElement('link');
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elCSS.rel = elCSSBase.rel;
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elCSS.type = elCSSBase.type;
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if (elCSSBase.href.endsWith('?v=GITVERSION')) {
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elCSS.href = elCSSBase.href.replace('?v=GITVERSION', '?v=' + Math.random());
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} else {
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elCSS.href = elCSSBase.href;
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}
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elCSS.onload = onLoadStylesheet;
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wprint.document.head.appendChild(elCSS);
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}
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// Configure printing
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let elStyle = wprint.document.createElement('style');
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elStyle.innerHTML = '@page { size: ' + paperSize + ' landscape; margin: 1cm; } @media print { body { padding: 0; } }';
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wprint.document.head.appendChild(elStyle);
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let elContainer = wprint.document.createElement('div');
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elContainer.id = 'printContainer';
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elContainer.style.width = printableWidth + 'px';
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wprint.document.body.appendChild(elContainer);
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// Copy result logs 1
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let divResultLogs1 = document.getElementById('resultLogs1');
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let divResultLogs2 = wprint.document.createElement('div');
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divResultLogs2.innerHTML = divResultLogs1.innerHTML;
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elContainer.appendChild(divResultLogs2);
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// Parse table, accounting for rowspan
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let elTrs1 = document.querySelector('#result').rows;
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let rows = [];
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for (let elTr1 of elTrs1) {
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rows.push([]);
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}
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for (let r = 0; r < elTrs1.length; r++) {
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for (let c = 0; c < elTrs1[r].cells.length; c++) {
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let elTd1 = elTrs1[r].cells[c];
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rows[r].push(elTd1);
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let rowspan = elTd1.getAttribute('rowspan');
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// NB: Only works for rowspan in first column
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if (rowspan !== null && c == 0) {
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rowspan = parseInt(rowspan);
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// Add ghost cells
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for (let i = 1; i < rowspan; i++) {
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rows[r + i].push(null);
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}
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}
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}
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}
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function copyColumn(c, elTrs2) {
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let tdsAdded = [];
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for (let r = 0; r < rows.length; r++) {
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if (c < rows[r].length) {
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let elTd1 = rows[r][c];
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if (elTd1 !== null) {
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let elTd2 = wprint.document.createElement('td');
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elTd2.innerHTML = elTd1.innerHTML;
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elTd2.className = elTd1.className;
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elTd2.setAttribute('rowspan', elTd1.getAttribute('rowspan'));
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elTd2.setAttribute('style', elTd1.getAttribute('style'));
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elTrs2[r].appendChild(elTd2);
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tdsAdded.push(elTd2);
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}
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}
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}
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return tdsAdded;
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}
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async function copyTableColumns(startCol) {
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// Add table
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let elTable2 = wprint.document.createElement('table');
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elTable2.className = 'result';
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if (startCol > 1) {
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elTable2.style.pageBreakBefore = 'always';
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}
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elContainer.appendChild(elTable2);
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// Add rows
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let elTrs2 = [];
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for (let elTr1 of elTrs1) {
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let elTr2 = wprint.document.createElement('tr');
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elTr2.className = elTr1.className;
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elTrs2.push(elTr2);
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elTable2.appendChild(elTr2);
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}
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// Copy first column
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copyColumn(0, elTrs2);
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// How many columns to copy?
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let totalWidth = rows[0][0].clientWidth;
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let endCol;
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for (endCol = startCol; endCol < rows[0].length; endCol++) {
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if (totalWidth + rows[0][endCol].clientWidth > printableWidth) {
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break;
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}
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totalWidth += rows[0][endCol].clientWidth;
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}
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// Copy columns
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for (let c = startCol; c < endCol; c++) {
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copyColumn(c, elTrs2);
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}
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// Copy stage comments
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elContainer.insertAdjacentHTML('beforeend', '<p>Stage comments:</p>');
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let olStageComments2 = wprint.document.createElement('ol');
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olStageComments2.start = startCol;
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elContainer.append(olStageComments2);
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for (let c = startCol; c < endCol && c < rows[0].length - 1; c++) {
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olStageComments2.insertAdjacentHTML('beforeend', olStageComments.children[c-1].outerHTML);
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}
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if (endCol < rows[0].length) {
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// Start new table if columns remain
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copyTableColumns(endCol);
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} else {
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// Copy winning candidates
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elContainer.insertAdjacentHTML('beforeend', '<p>Count complete. The winning candidates are, in order of election:</p>');
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elContainer.insertAdjacentHTML('beforeend', divLogs2.lastElementChild.outerHTML);
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}
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}
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// Adjust results table to width
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document.getElementById('resultsDiv').style.width = printableWidth + 'px';
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await new Promise(window.requestAnimationFrame); // Allow DOM to update
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// Copy table
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await copyTableColumns(1);
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// Restore original view
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document.getElementById('resultsDiv').style.width = 'auto';
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// Trigger print when ready
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onLoadStylesheet();
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}
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// Presets
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function changePreset() {
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@ -153,11 +153,7 @@ tr.info:last-child td, .bb {
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}
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@media print {
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body.interactive > * {
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display: none;
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}
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#divAdvancedOptions, #printPane {
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/* Override inline style */
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#divUI {
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display: none !important;
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}
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#printWarning {
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