This is an automated email from the ASF dual-hosted git repository. houston pushed a commit to branch jira/solr-15556-antora in repository https://gitbox.apache.org/repos/asf/solr.git
commit b2aa5976391ea51e96af545b7c25408dcdf9e544 Author: Houston Putman <[email protected]> AuthorDate: Thu Feb 3 16:32:38 2022 -0500 Add overriding js file --- solr/solr-ref-guide/ui-src/js/02-on-this-page.js | 118 +++++++++++++++++++++++ 1 file changed, 118 insertions(+) diff --git a/solr/solr-ref-guide/ui-src/js/02-on-this-page.js b/solr/solr-ref-guide/ui-src/js/02-on-this-page.js new file mode 100644 index 0000000..89cee2e --- /dev/null +++ b/solr/solr-ref-guide/ui-src/js/02-on-this-page.js @@ -0,0 +1,118 @@ +;(function () { + 'use strict' + + /* Solr Changes - Start */ + var sidebar = document.querySelector('nav.toc.sidebar') + /* Solr Changes - End */ + if (!sidebar) return + if (document.querySelector('body.-toc')) return sidebar.parentNode.removeChild(sidebar) + var levels = parseInt(sidebar.dataset.levels || 2, 10) + if (levels < 0) return + + var articleSelector = 'article.doc' + var article = document.querySelector(articleSelector) + var headingsSelector = [] + for (var level = 0; level <= levels; level++) { + var headingSelector = [articleSelector] + if (level) { + for (var l = 1; l <= level; l++) headingSelector.push((l === 2 ? '.sectionbody>' : '') + '.sect' + l) + headingSelector.push('h' + (level + 1) + '[id]') + } else { + headingSelector.push('h1[id].sect0') + } + headingsSelector.push(headingSelector.join('>')) + } + var headings = find(headingsSelector.join(','), article.parentNode) + if (!headings.length) return sidebar.parentNode.removeChild(sidebar) + + var lastActiveFragment + var links = {} + var list = headings.reduce(function (accum, heading) { + var link = document.createElement('a') + link.textContent = heading.textContent + links[(link.href = '#' + heading.id)] = link + var listItem = document.createElement('li') + listItem.dataset.level = parseInt(heading.nodeName.slice(1), 10) - 1 + listItem.appendChild(link) + accum.appendChild(listItem) + return accum + }, document.createElement('ul')) + + var menu = sidebar.querySelector('.toc-menu') + if (!menu) (menu = document.createElement('div')).className = 'toc-menu' + + var title = document.createElement('h3') + title.textContent = sidebar.dataset.title || 'Contents' + menu.appendChild(title) + menu.appendChild(list) + + var startOfContent = !document.getElementById('toc') && article.querySelector('h1.page ~ :not(.is-before-toc)') + if (startOfContent) { + /* Solr Changes - Start */ + var embeddedToc = document.createElement('nav') + /* Solr Changes - End */ + embeddedToc.className = 'toc embedded' + embeddedToc.appendChild(menu.cloneNode(true)) + startOfContent.parentNode.insertBefore(embeddedToc, startOfContent) + } + + window.addEventListener('load', function () { + onScroll() + window.addEventListener('scroll', onScroll) + }) + + function onScroll () { + var scrolledBy = window.pageYOffset + var buffer = getNumericStyleVal(document.documentElement, 'fontSize') * 1.15 + var ceil = article.offsetTop + if (scrolledBy && window.innerHeight + scrolledBy + 2 >= document.documentElement.scrollHeight) { + lastActiveFragment = Array.isArray(lastActiveFragment) ? lastActiveFragment : Array(lastActiveFragment || 0) + var activeFragments = [] + var lastIdx = headings.length - 1 + headings.forEach(function (heading, idx) { + var fragment = '#' + heading.id + if (idx === lastIdx || heading.getBoundingClientRect().top + getNumericStyleVal(heading, 'paddingTop') > ceil) { + activeFragments.push(fragment) + if (lastActiveFragment.indexOf(fragment) < 0) links[fragment].classList.add('is-active') + } else if (~lastActiveFragment.indexOf(fragment)) { + links[lastActiveFragment.shift()].classList.remove('is-active') + } + }) + list.scrollTop = list.scrollHeight - list.offsetHeight + lastActiveFragment = activeFragments.length > 1 ? activeFragments : activeFragments[0] + return + } + if (Array.isArray(lastActiveFragment)) { + lastActiveFragment.forEach(function (fragment) { + links[fragment].classList.remove('is-active') + }) + lastActiveFragment = undefined + } + var activeFragment + headings.some(function (heading) { + if (heading.getBoundingClientRect().top + getNumericStyleVal(heading, 'paddingTop') - buffer > ceil) return true + activeFragment = '#' + heading.id + }) + if (activeFragment) { + if (activeFragment === lastActiveFragment) return + if (lastActiveFragment) links[lastActiveFragment].classList.remove('is-active') + var activeLink = links[activeFragment] + activeLink.classList.add('is-active') + if (list.scrollHeight > list.offsetHeight) { + list.scrollTop = Math.max(0, activeLink.offsetTop + activeLink.offsetHeight - list.offsetHeight) + } + lastActiveFragment = activeFragment + } else if (lastActiveFragment) { + links[lastActiveFragment].classList.remove('is-active') + lastActiveFragment = undefined + } + } + + function find (selector, from) { + return [].slice.call((from || document).querySelectorAll(selector)) + } + + function getNumericStyleVal (el, prop) { + return parseFloat(window.getComputedStyle(el)[prop]) + } +})()
