80 lines
2.7 KiB
JavaScript
80 lines
2.7 KiB
JavaScript
const getChangeHeader = () => getClassNameElementsArray('change-header')[0]
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const getFileElements = () => querySelectorAllArray('.file,.icon-folder-closed')
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const getSelectedFile = () => getClassNameElementsArray('file-selected')[0]
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const addScrollHints = () => {
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getClassNameElementsArray('sages-extra-breadcrumbs').forEach(e => e.parentNode.removeChild(e))
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const buildHint = (fileElement, prefix, top) => {
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const hint = document.createElement('div', {})
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hint.classList.add('sages-extra-breadcrumbs')
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if (fileElement.classList.contains('file-viewed')) {
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hint.classList.add('sages-extra-breadcrumbs-viewed')
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}
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hint.innerText = `${prefix} ${decodeURIComponent(fileElement.firstElementChild?.href?.split('#')[1] || 'In Folder...')}`
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if (top) {
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hint.style.top = top
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}
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return hint;
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}
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const selectedFile = getSelectedFile()
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const fileElements = getFileElements()
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const index = fileElements.indexOf(selectedFile)
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const breadcrumbs = Array.from(getChangeHeader().getElementsByTagName('h4'))[0]
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console.log({ breadcrumbs })
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if (index > 0) {
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breadcrumbs.prepend(buildHint(fileElements[index - 1], 'Prev:', '1.4em'))
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}
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if (index < fileElements.length - 1) {
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breadcrumbs.appendChild(buildHint(fileElements[index + 1], 'Next:'))
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}
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}
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const changeFile = (e, noRecurse) => {
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const selectedFile = getSelectedFile()
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const fileElements = getFileElements()
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const up = e.wheelDelta ? e.wheelDelta > 0 : e.deltaY < 0
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const index = fileElements.indexOf(selectedFile)
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const nextElement =
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(up && index > 0) ? fileElements[index - 1] :
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(!up && index < (fileElements.length - 1)) ? fileElements[index + 1] :
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null
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const isFolder = !nextElement?.firstElementChild
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const toClick = nextElement?.firstElementChild ?? nextElement
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toClick?.focus()
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toClick?.click()
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if (isFolder) {
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changeFile(e)
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}
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}
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let styled = false
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addFix(() => {
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const header = getChangeHeader()
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header.onwheel = changeFile
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styled || addStyle(`
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.sages-extra-breadcrumbs {
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color: rgba(0, 0, 0, 0) !important;
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margin-top: -1.6em !important;
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/*margin-bottom: -1em !important;*/
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float: left !important;
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position: absolute;
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font-size: 11px;
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margin-left: 20%;
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}
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.diff-meta:hover h4 .sages-extra-breadcrumbs {
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color: rgba(0, 0, 0, 0.35) !important;
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}
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.diff-meta:hover h4 .sages-extra-breadcrumbs-viewed {
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color: rgba(0, 0, 0, 0.2) !important;
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}
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`)
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styled = true
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})
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window.addEventListener('load', () => setTimeout(addScrollHints, NEW_PAGE_DELAY))
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addEventListener('hashchange', () => setTimeout(addScrollHints, 200))
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