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let showTranslations = true;
let showHighlights = true;
const caryPassages = window.caryData;
const longfellowPassages = window.longfellowData;
const nortonPassages = window.nortonData;
const cantos = window.cantosData;
const highlighting = window.highlightingData;
function highlightMatchingLines(translationName, canto, lineNumber) {
if (!showHighlights) return;
clearHighlights();
const matching = highlighting[canto];
if (!matching) return;
let translationIndex;
if (translationName === 'cary') {
translationIndex = 0;
} else if (translationName === 'longfellow') {
translationIndex = 1;
} else if (translationName === 'norton') {
translationIndex = 2;
}
let matchingLineGroup = null;
const allLineGroups = Object.values(matching);
for (let i = 0; i < allLineGroups.length; i++) {
const lineGroup = allLineGroups[i];
const lineReference = lineGroup[translationIndex];
const lineNumbers = parseLineReference(lineReference);
if (lineNumbers.includes(lineNumber)) {
matchingLineGroup = lineGroup;
break;
}
}
if (!matchingLineGroup) return;
const translationNames = ['cary', 'longfellow', 'norton'];
for (let i = 0; i < matchingLineGroup.length; i++) {
const lineReference = matchingLineGroup[i];
if (lineReference === null) continue;
const lineNumbers = parseLineReference(lineReference);
for (let j = 0; j < lineNumbers.length; j++) {
const lineId = getLineId(translationNames[i], canto, lineNumbers[j]);
const lineElement = document.getElementById(lineId);
if (lineElement) lineElement.classList.add('highlighted');
}
}
}
function renderCantos() {
const container = document.getElementById('cantos-container');
const select = document.getElementById('cantoSelect');
if (!cantos || !caryPassages || !longfellowPassages || !nortonPassages || !highlighting) {
container.innerHTML = '<div class="error">Failed to load required data files</div>';
return;
}
let html = '';
for (let i = 0; i < 34; i++) {
const canto = cantos[i];
const cantoNumber = canto.number.toString();
const option = document.createElement('option');
option.value = canto.number;
option.textContent = 'Canto ' + canto.number;
select.appendChild(option);
html += `<div class="canto" id="canto-${canto.number}">`;
html += '<div class="canto-header">';
html += `<div class="canto-title">${canto.title}</div>`;
html += `<div class="canto-subtitle">${canto.subtitle}</div>`;
html += '</div>';
html += '<div class="translations">';
html += '<div class="translation"><h4>Cary Translation</h4>';
if (caryPassages[cantoNumber]) {
for (let lineIndex = 0; lineIndex < caryPassages[cantoNumber].length; lineIndex++) {
const line = caryPassages[cantoNumber][lineIndex];
const lineId = getLineId('cary', cantoNumber, lineIndex);
html += '<div class="line" id="' + lineId + '" ';
html += `onmouseenter="highlightMatchingLines('cary', '${cantoNumber}', ${lineIndex})"`;
html += 'onmouseleave="clearHighlights()">' + line + '</div>';
}
}
html += '</div>';
html += '<div class="translation"><h4>Longfellow Translation</h4>';
if (longfellowPassages[cantoNumber]) {
for (let lineIndex = 0; lineIndex < longfellowPassages[cantoNumber].length; lineIndex++) {
const line = longfellowPassages[cantoNumber][lineIndex];
const lineId = getLineId('longfellow', cantoNumber, lineIndex);
html += '<div class="line" id="' + lineId + '" ';
html += `onmouseenter="highlightMatchingLines('longfellow', '${cantoNumber}', ${lineIndex})"`;
html += 'onmouseleave="clearHighlights()">' + line + '</div>';
}
}
html += '</div>';
html += '<div class="translation"><h4>Norton Translation</h4>';
if (nortonPassages[cantoNumber]) {
for (let lineIndex = 0; lineIndex < nortonPassages[cantoNumber].length; lineIndex++) {
const line = nortonPassages[cantoNumber][lineIndex];
const lineId = getLineId('norton', cantoNumber, lineIndex);
html += '<div class="line" id="' + lineId + '" ';
html += `onmouseenter="highlightMatchingLines('norton', '${cantoNumber}', ${lineIndex})"`;
html += `onmouseleave="clearHighlights()">${line}</div>`;
}
}
html += '</div></div>';
html += '<div class="commentary">';
html += `<div class="commentary"><h4>Subtext</h4><p>${canto.subtext}</p></div>`;
html += `<div class="commentary"><h4>Themes</h4><p>${canto.themes}</p></div>`;
html += `<div class="commentary"><h4>References</h4><p>${canto.references}</p></div>`;
html += `<div class="commentary"><h4>Characters</h4><p>${canto.characters}</p></div>`;
html += '</div></div>';
}
container.innerHTML = html;
}
function getLineId(translation, canto, lineIndex) {
return `${translation}-${canto}-${lineIndex}`;
}
function clearHighlights() {
const highlighted = document.querySelectorAll('.line.highlighted');
for (let i = 0; i < highlighted.length; i++) {
highlighted[i].classList.remove('highlighted');
}
}
function parseLineReference(lineRef) {
if (typeof lineRef === 'number') return [lineRef];
const parts = lineRef.split('-');
const start = parseInt(parts[0]);
const end = parseInt(parts[1]);
const lines = [];
for (let i = start; i <= end; i++) {
lines.push(i);
}
return lines;
}
function toggleTranslations() {
const translations = document.getElementsByClassName('translations');
const button = document.getElementById('translationToggle')
showTranslations = !showTranslations;
for (let i = 0; i < translations.length; i++) {
translations[i].style.display = showTranslations ? 'grid' : 'none';
}
button.textContent = showTranslations ? "Hide All Translations" : "Show All Translations"
}
function toggleHighlighting() {
const button = document.getElementById('highlightToggle');
showHighlights = !showHighlights;
if (!showHighlights) clearHighlights();
button.textContent = showHighlights ? "Disable Highlighting" : "Enable Highlighting"
}
document.getElementById('cantoSelect').onchange = function() {
if (this.value) document.getElementById('canto-' + this.value).scrollIntoView();
};
document.addEventListener('DOMContentLoaded', renderCantos());
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