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Foonotes: get note type

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Also rename footnote.js -> footnotes.js
This commit is contained in:
John Factotum
2023-11-12 21:42:21 +08:00
parent 9e80194ba3
commit f75fbba096
1 changed files with 26 additions and 11 deletions
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footnote.js → footnotes.js
+26 -11
View File
@@ -1,17 +1,30 @@
const refTypes = ['annoref', 'biblioref', 'glossref', 'noteref']
const getTypes = el => new Set(el?.getAttributeNS?.('http://www.idpf.org/2007/ops', 'type')?.split(' '))
const getRoles = el => new Set(el?.getAttribute?.('role')?.split(' '))
const refTypes = ['biblioref', 'glossref', 'noteref']
const refRoles = ['doc-biblioref', 'doc-glossref', 'doc-noteref']
const isFootnote = a => {
const types = a.getAttributeNS('http://www.idpf.org/2007/ops', 'type')?.split(' ')
const roles = a.getAttribute('role')?.split(' ')
const isFootnoteReference = a => {
const types = getTypes(a)
const roles = getRoles(a)
return {
yes: types?.some(t => refTypes.includes(t)) || roles?.some(r => refRoles.includes(r)),
maybe: () => !types?.includes('backlink') && !roles?.includes('doc-backlink')
yes: refRoles.some(r => roles.has(r)) || refTypes.some(t => types.has(t)),
maybe: () => !types.has('backlink') && !roles.has('doc-backlink')
&& (getComputedStyle(a).verticalAlign === 'super'
|| a.children.length === 1 && getComputedStyle(a.children[0]).verticalAlign === 'super')
|| getComputedStyle(a.parentElement).verticalAlign === 'super',
}
}
const getReferencedType = el => {
const types = getTypes(el)
const roles = getRoles(el)
return roles.has('doc-biblioentry') || types.has('biblioentry') ? 'biblioentry'
: roles.has('definition') || types.has('glossdef') ? 'definition'
: roles.has('doc-endnote') || types.has('endnote') || types.has('rearnote') ? 'endnote'
: roles.has('doc-footnote') || types.has('footnote') ? 'footnote'
: roles.has('note') || types.has('note') ? 'note' : null
}
const isInline = 'a, span, sup, sub, em, strong, i, b, small, big'
const extractFootnote = (doc, anchor) => {
let el = anchor(doc)
@@ -25,11 +38,13 @@ const extractFootnote = (doc, anchor) => {
export class FootnoteHandler extends EventTarget {
detectFootnotes = true
#showFragment(book, { index, anchor }, getHref) {
#showFragment(book, { index, anchor }, href) {
const view = document.createElement('foliate-view')
view.addEventListener('load', e => {
const { doc } = e.detail
const el = anchor(doc)
const type = getReferencedType(el)
const hidden = el?.matches?.('aside') && type === 'footnote'
if (el) {
const range = el.startContainer ? el : doc.createRange()
if (!el.startContainer) {
@@ -40,7 +55,7 @@ export class FootnoteHandler extends EventTarget {
doc.body.replaceChildren()
doc.body.appendChild(frag)
}
const detail = { view, href: getHref(el) }
const detail = { view, href, type, hidden, target: el }
this.dispatchEvent(new CustomEvent('render', { detail }))
})
view.open(book)
@@ -49,17 +64,17 @@ export class FootnoteHandler extends EventTarget {
}
handle(book, e) {
const { a, href } = e.detail
const { yes, maybe } = isFootnote(a)
const { yes, maybe } = isFootnoteReference(a)
if (yes) {
e.preventDefault()
Promise.resolve(book.resolveHref(href)).then(target =>
this.#showFragment(book, target, el => el?.matches?.('aside') ? null : href))
this.#showFragment(book, target, href))
}
else if (this.detectFootnotes && maybe()) {
e.preventDefault()
Promise.resolve(book.resolveHref(href)).then(({ index, anchor }) => {
const target = { index, anchor: doc => extractFootnote(doc, anchor) }
this.#showFragment(book, target, () => href)
this.#showFragment(book, target, href)
})
}
}