Convert into class

This commit is contained in:
Simon Rozman 2024-02-06 15:34:00 +01:00
parent 01be8afcdf
commit e33fb6b8fc

View File

@ -1,23 +1,304 @@
const besUrl = 'http://localhost:225/api/v2/check'
let besEditors = {} // Collection of all editors on page
class BesEditor {
constructor(edit) {
this.el = edit
this.timer = null
this.children = []
this.proof(edit)
edit.addEventListener(
'beforeinput',
e => this.handleBeforeInput(e),
false
)
edit.addEventListener('click', e => this.handleClick(e))
}
// Recursively grammar-proofs one node.
async proof(el) {
switch (el.nodeType) {
case Node.TEXT_NODE:
return [{ text: el.textContent, el: el, markup: false }]
case Node.ELEMENT_NODE:
if (BesEditor.isBlockElement(el)) {
// Block elements are grammar-proofed independently.
if (this.isProofed(el)) {
return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
}
this.clearAllMistakes(el)
let data = []
for (const el2 of el.childNodes) {
data = data.concat(await this.proof(el2))
}
if (data.some(x => !x.markup && !/^\s*$/.test(x.text))) {
const requestData = {
format: 'plain',
data: JSON.stringify({
annotation: data.map(x =>
x.markup ? { markup: x.text } : { text: x.text }
)
}),
language: el.lang ? el.lang : 'sl',
level: 'picky'
}
const request = new Request(besUrl, {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: new URLSearchParams(requestData)
})
fetch(request)
.then(response => {
if (!response.ok) {
// TODO: Make connectivity and BesStr issues non-fatal. But show an error sign somewhere in the UI.
throw new Error('Backend server response was not OK')
}
return response.json()
})
.then(responseData => {
let matches = []
responseData.matches.forEach(match => {
let range = document.createRange()
// Locate start of the grammar mistake.
for (
let idx = 0, startingOffset = 0;
;
startingOffset += data[idx++].text.length
) {
if (
!data[idx].markup &&
/*startingOffset <= match.offset &&*/ match.offset <
startingOffset + data[idx].text.length
) {
range.setStart(data[idx].el, match.offset - startingOffset)
break
}
}
// Locate end of the grammar mistake.
let endOffset = match.offset + match.length
for (
let idx = 0, startingOffset = 0;
;
startingOffset += data[idx++].text.length
) {
if (
!data[idx].markup &&
/*startingOffset <= endOffset &&*/ endOffset <=
startingOffset + data[idx].text.length
) {
range.setEnd(data[idx].el, endOffset - startingOffset)
break
}
}
const clientRect = BesEditor.addMistake(range, match)
matches.push({
range: range,
rects: clientRect,
match: match
})
})
this.markProofed(el, matches)
})
.catch(error => {
// TODO: Make parsing issues non-fatal. But show an error sign somewhere in the UI.
throw new Error(
'Parsing backend server response failed: ' + error
)
})
}
return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
} else {
// Surround inline element with dummy <tagName>...</tagName>.
let data = [{ text: '<' + el.tagName + '>', el: el, markup: true }]
for (const el2 of el.childNodes) {
data = data.concat(await this.proof(el2))
}
data.splice(data.length, 0, {
text: '</' + el.tagName + '>',
markup: true
})
return data
}
default:
return [{ text: '<?' + el.nodeType + '>', el: el, markup: true }]
}
}
// Marks section of text that is about to change as not-yet-grammar-proofed.
handleBeforeInput(event) {
if (this.timer) clearTimeout(this.timer)
let editor = this
this.timer = setTimeout(function () {
editor.proof(editor.el)
}, 1000)
// No need to invalidate elements after range.startContainer since they will
// get either deleted or replaced.
event
.getTargetRanges()
.forEach(range =>
this.clearProofed(this.getBlockParent(range.startContainer))
)
}
// Test if given block element has already been grammar-proofed.
isProofed(el) {
let filteredChildren = this.children.filter(child => child.elements === el)
return filteredChildren[0]?.isProofed
}
// Mark given block element as grammar-proofed.
markProofed(el, matches) {
let newChild = {
isProofed: true,
elements: el,
matches: matches
}
this.children = this.children.map(child =>
child.elements === newChild.elements ? newChild : child
)
if (!this.children.some(child => child.elements === newChild.elements)) {
this.children.push(newChild)
}
}
// Mark given block element as not grammar-proofed.
clearProofed(el) {
let filteredChildren = this.children.filter(child => child.elements === el)
if (filteredChildren.length) filteredChildren[0].isProofed = false
}
// Remove all grammar mistakes markup for given block element.
clearAllMistakes(el) {
let filteredChildren = this.children.filter(child => child.elements === el)
if (!filteredChildren.length) return
const correctionPanel = document.getElementById('correction-panel')
filteredChildren[0].matches.forEach(match => {
for (const rect of match.rects) {
for (let child of correctionPanel.children) {
let childRect = child.getBoundingClientRect()
const isWithinRect =
childRect.left >= rect.left &&
childRect.right <= rect.right &&
childRect.top >= rect.top &&
childRect.bottom <= rect.bottom + 20
if (isWithinRect) {
child.remove()
}
}
}
})
}
// Adds grammar mistake markup
static addMistake(range, match) {
const correctionPanel = document.getElementById('correction-panel')
const clientRects = range.getClientRects()
for (let i = 0, n = clientRects.length; i < n; ++i) {
const rect = clientRects[i]
const highlight = document.createElement('div')
highlight.classList.add('bes-typo-mistake')
highlight.style.left = `${rect.left}px`
highlight.style.top = `${rect.top}px`
highlight.style.width = `${rect.width}px`
highlight.style.height = `${rect.height}px`
correctionPanel.appendChild(highlight)
}
return clientRects
}
// Tests if given element is block element.
static isBlockElement(el) {
const defaultView = document.defaultView
switch (
defaultView
.getComputedStyle(el, null)
.getPropertyValue('display')
.toLowerCase()
) {
case 'inline':
case 'inline-block':
return false
default:
return true
}
}
// Returns first block parent element
getBlockParent(el) {
for (; el && el !== this.el; el = el.parentNode) {
if (el.nodeType === Node.ELEMENT_NODE && BesEditor.isBlockElement(el)) return el
}
return el
}
handleClick(e) {
const targetEl = e.target
const popup = document.querySelector('bes-popup-el')
if (targetEl.tagName === 'DIV') {
const divIndex = this.children.findIndex(
child => child.elements === targetEl
)
const matches = this.children[divIndex]?.matches
if (!matches) {
popup.hide()
return
}
if (BesEditor.renderPopup(matches, popup, e.clientX, e.clientY)) return
} else {
popup.hide()
}
}
static renderPopup(matches, popup, clientX, clientY) {
for (let m of matches) {
if (m.rects) {
for (let r of m.rects) {
if (BesEditor.isPointInRect(clientX, clientY, r)) {
popup.changeText(m.match.message)
m.match.replacements.forEach(replacement => {
popup.appendReplacements(
replacement.value,
m.match.offset,
m.match.length
)
})
popup.show(clientX, clientY)
return true
}
}
} else {
popup.hide()
}
}
return false
}
static isPointInRect(x, y, rect) {
return (
x >= rect.x &&
x < rect.x + rect.width &&
y >= rect.y &&
y < rect.y + rect.height
)
}
}
let besEditors = [] // Collection of all editors on page
window.onload = () => {
// Search and prepare all our editors found in the document.
document.querySelectorAll('.bes-online-editor').forEach(edit => {
let editor = {
el: edit,
timer: null,
children: []
}
let editor = new BesEditor(edit)
besEditors[edit.id] = editor
besProof(editor, edit)
edit.addEventListener(
'beforeinput',
e => besHandleBeforeInput(editor, e),
false
)
edit.addEventListener('click', e => besHandleClick(editor, e))
})
}
@ -25,286 +306,11 @@ window.onresize = () => {
Object.keys(besEditors).forEach(key => {
let editor = besEditors[key]
editor.children.forEach(child => {
besClearAllMistakes(editor, child?.elements)
editor.clearAllMistakes(child?.elements)
child.matches.forEach(match => {
const clientRect = besAddMistake(match.range, match)
const clientRect = BesEditor.addMistake(match.range, match)
match.rects = clientRect
})
})
})
}
// Recursively grammar-proofs one node.
async function besProof(editor, el) {
switch (el.nodeType) {
case Node.TEXT_NODE:
return [{ text: el.textContent, el: el, markup: false }]
case Node.ELEMENT_NODE:
if (besIsBlockElement(el)) {
// Block elements are grammar-proofed independently.
if (besIsProofed(editor, el)) {
return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
}
besClearAllMistakes(editor, el)
let data = []
for (const el2 of el.childNodes) {
data = data.concat(await besProof(editor, el2))
}
if (data.some(x => !x.markup && !/^\s*$/.test(x.text))) {
const requestData = {
format: 'plain',
data: JSON.stringify({
annotation: data.map(x =>
x.markup ? { markup: x.text } : { text: x.text }
)
}),
language: el.lang ? el.lang : 'sl',
level: 'picky'
}
const request = new Request(besUrl, {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: new URLSearchParams(requestData)
})
fetch(request)
.then(response => {
if (!response.ok) {
// TODO: Make connectivity and BesStr issues non-fatal. But show an error sign somewhere in the UI.
throw new Error('Backend server response was not OK')
}
return response.json()
})
.then(responseData => {
let matches = []
responseData.matches.forEach(match => {
let range = document.createRange()
// Locate start of the grammar mistake.
for (
let idx = 0, startingOffset = 0;
;
startingOffset += data[idx++].text.length
) {
if (
!data[idx].markup &&
/*startingOffset <= match.offset &&*/ match.offset <
startingOffset + data[idx].text.length
) {
range.setStart(data[idx].el, match.offset - startingOffset)
break
}
}
// Locate end of the grammar mistake.
let endOffset = match.offset + match.length
for (
let idx = 0, startingOffset = 0;
;
startingOffset += data[idx++].text.length
) {
if (
!data[idx].markup &&
/*startingOffset <= endOffset &&*/ endOffset <=
startingOffset + data[idx].text.length
) {
range.setEnd(data[idx].el, endOffset - startingOffset)
break
}
}
const clientRect = besAddMistake(range, match)
matches.push({
range: range,
rects: clientRect,
match: match
})
})
besMarkProofed(editor, el, matches)
})
.catch(error => {
// TODO: Make parsing issues non-fatal. But show an error sign somewhere in the UI.
throw new Error(
'Parsing backend server response failed: ' + error
)
})
}
return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
} else {
// Surround inline element with dummy <tagName>...</tagName>.
let data = [{ text: '<' + el.tagName + '>', el: el, markup: true }]
for (const el2 of el.childNodes) {
data = data.concat(await besProof(editor, el2))
}
data.splice(data.length, 0, {
text: '</' + el.tagName + '>',
markup: true
})
return data
}
default:
return [{ text: '<?' + el.nodeType + '>', el: el, markup: true }]
}
}
// Marks section of text that is about to change as not-yet-grammar-proofed.
function besHandleBeforeInput(editor, event) {
if (editor.timer) clearTimeout(editor.timer)
editor.timer = setTimeout(function () {
besProof(editor, editor.el)
}, 1000)
// No need to invalidate elements after range.startContainer since they will
// get either deleted or replaced.
event
.getTargetRanges()
.forEach(range =>
besClearProofed(editor, besGetBlockParent(editor, range.startContainer))
)
}
// Test if given block element has already been grammar-proofed.
function besIsProofed(editor, el) {
let filteredChildren = editor?.children.filter(child => child.elements === el)
return filteredChildren[0]?.isProofed
}
// Mark given block element as grammar-proofed.
function besMarkProofed(editor, el, matches) {
let newChild = {
isProofed: true,
elements: el,
matches: matches
}
editor.children = editor.children.map(child =>
child.elements === newChild.elements ? newChild : child
)
if (!editor.children.some(child => child.elements === newChild.elements)) {
editor.children.push(newChild)
}
}
// Mark given block element as not grammar-proofed.
function besClearProofed(editor, el) {
let filteredChildren = editor.children.filter(child => child.elements === el)
if (filteredChildren.length) filteredChildren[0].isProofed = false
}
// Remove all grammar mistakes markup for given block element.
function besClearAllMistakes(editor, el) {
let filteredChildren = editor?.children.filter(child => child.elements === el)
if (!filteredChildren.length) return
const correctionPanel = document.getElementById('correction-panel')
filteredChildren[0].matches.forEach(match => {
for (const rect of match.rects) {
for (let child of correctionPanel.children) {
let childRect = child.getBoundingClientRect()
const isWithinRect =
childRect.left >= rect.left &&
childRect.right <= rect.right &&
childRect.top >= rect.top &&
childRect.bottom <= rect.bottom + 20
if (isWithinRect) {
child.remove()
}
}
}
})
}
// Adds grammar mistake markup
function besAddMistake(range, match) {
const correctionPanel = document.getElementById('correction-panel')
const clientRects = range.getClientRects()
for (let i = 0, n = clientRects.length; i < n; ++i) {
const rect = clientRects[i]
const highlight = document.createElement('div')
highlight.classList.add('bes-typo-mistake')
highlight.style.left = `${rect.left}px`
highlight.style.top = `${rect.top}px`
highlight.style.width = `${rect.width}px`
highlight.style.height = `${rect.height}px`
correctionPanel.appendChild(highlight)
}
return clientRects
}
// Tests if given element is block element.
function besIsBlockElement(el) {
const defaultView = document.defaultView
switch (
defaultView
.getComputedStyle(el, null)
.getPropertyValue('display')
.toLowerCase()
) {
case 'inline':
case 'inline-block':
return false
default:
return true
}
}
// Returns first block parent element
function besGetBlockParent(editor, el) {
for (; el && el !== editor.el; el = el.parentNode) {
if (el.nodeType === Node.ELEMENT_NODE && besIsBlockElement(el)) return el
}
return el
}
function besHandleClick(editor, e) {
const targetEl = e.target
const popup = document.querySelector('bes-popup-el')
if (targetEl.tagName === 'DIV') {
const divIndex = editor.children.findIndex(
child => child.elements === targetEl
)
const matches = editor.children[divIndex]?.matches
if (!matches) {
popup.hide()
return
}
if (besRenderPopup(matches, popup, e.clientX, e.clientY)) return
} else {
popup.hide()
}
}
function besRenderPopup(matches, popup, clientX, clientY) {
for (let m of matches) {
if (m.rects) {
for (let r of m.rects) {
if (besIsPointInRect(clientX, clientY, r)) {
popup.changeText(m.match.message)
m.match.replacements.forEach(replacement => {
popup.appendReplacements(
replacement.value,
m.match.offset,
m.match.length
)
})
popup.show(clientX, clientY)
return true
}
}
} else {
popup.hide()
}
}
return false
}
function besIsPointInRect(x, y, rect) {
return (
x >= rect.x &&
x < rect.x + rect.width &&
y >= rect.y &&
y < rect.y + rect.height
)
}