Convert into class
This commit is contained in:
parent
01be8afcdf
commit
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586
online-editor.js
586
online-editor.js
@ -1,23 +1,304 @@
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const besUrl = 'http://localhost:225/api/v2/check'
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let besEditors = {} // Collection of all editors on page
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class BesEditor {
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constructor(edit) {
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this.el = edit
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this.timer = null
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this.children = []
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this.proof(edit)
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edit.addEventListener(
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'beforeinput',
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e => this.handleBeforeInput(e),
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false
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)
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edit.addEventListener('click', e => this.handleClick(e))
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}
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// Recursively grammar-proofs one node.
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async proof(el) {
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switch (el.nodeType) {
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case Node.TEXT_NODE:
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return [{ text: el.textContent, el: el, markup: false }]
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case Node.ELEMENT_NODE:
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if (BesEditor.isBlockElement(el)) {
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// Block elements are grammar-proofed independently.
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if (this.isProofed(el)) {
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return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
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}
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this.clearAllMistakes(el)
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let data = []
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for (const el2 of el.childNodes) {
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data = data.concat(await this.proof(el2))
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}
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if (data.some(x => !x.markup && !/^\s*$/.test(x.text))) {
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const requestData = {
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format: 'plain',
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data: JSON.stringify({
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annotation: data.map(x =>
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x.markup ? { markup: x.text } : { text: x.text }
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)
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}),
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language: el.lang ? el.lang : 'sl',
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level: 'picky'
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}
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const request = new Request(besUrl, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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body: new URLSearchParams(requestData)
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})
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fetch(request)
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.then(response => {
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if (!response.ok) {
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// TODO: Make connectivity and BesStr issues non-fatal. But show an error sign somewhere in the UI.
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throw new Error('Backend server response was not OK')
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}
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return response.json()
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})
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.then(responseData => {
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let matches = []
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responseData.matches.forEach(match => {
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let range = document.createRange()
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// Locate start of the grammar mistake.
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for (
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let idx = 0, startingOffset = 0;
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;
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startingOffset += data[idx++].text.length
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) {
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if (
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!data[idx].markup &&
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/*startingOffset <= match.offset &&*/ match.offset <
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startingOffset + data[idx].text.length
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) {
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range.setStart(data[idx].el, match.offset - startingOffset)
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break
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}
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}
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// Locate end of the grammar mistake.
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let endOffset = match.offset + match.length
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for (
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let idx = 0, startingOffset = 0;
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;
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startingOffset += data[idx++].text.length
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) {
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if (
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!data[idx].markup &&
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/*startingOffset <= endOffset &&*/ endOffset <=
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startingOffset + data[idx].text.length
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) {
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range.setEnd(data[idx].el, endOffset - startingOffset)
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break
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}
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}
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const clientRect = BesEditor.addMistake(range, match)
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matches.push({
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range: range,
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rects: clientRect,
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match: match
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})
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})
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this.markProofed(el, matches)
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})
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.catch(error => {
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// TODO: Make parsing issues non-fatal. But show an error sign somewhere in the UI.
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throw new Error(
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'Parsing backend server response failed: ' + error
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)
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})
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}
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return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
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} else {
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// Surround inline element with dummy <tagName>...</tagName>.
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let data = [{ text: '<' + el.tagName + '>', el: el, markup: true }]
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for (const el2 of el.childNodes) {
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data = data.concat(await this.proof(el2))
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}
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data.splice(data.length, 0, {
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text: '</' + el.tagName + '>',
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markup: true
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})
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return data
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}
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default:
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return [{ text: '<?' + el.nodeType + '>', el: el, markup: true }]
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}
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}
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// Marks section of text that is about to change as not-yet-grammar-proofed.
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handleBeforeInput(event) {
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if (this.timer) clearTimeout(this.timer)
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let editor = this
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this.timer = setTimeout(function () {
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editor.proof(editor.el)
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}, 1000)
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// No need to invalidate elements after range.startContainer since they will
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// get either deleted or replaced.
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event
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.getTargetRanges()
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.forEach(range =>
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this.clearProofed(this.getBlockParent(range.startContainer))
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)
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}
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// Test if given block element has already been grammar-proofed.
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isProofed(el) {
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let filteredChildren = this.children.filter(child => child.elements === el)
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return filteredChildren[0]?.isProofed
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}
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// Mark given block element as grammar-proofed.
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markProofed(el, matches) {
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let newChild = {
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isProofed: true,
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elements: el,
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matches: matches
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}
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this.children = this.children.map(child =>
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child.elements === newChild.elements ? newChild : child
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)
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if (!this.children.some(child => child.elements === newChild.elements)) {
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this.children.push(newChild)
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}
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}
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// Mark given block element as not grammar-proofed.
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clearProofed(el) {
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let filteredChildren = this.children.filter(child => child.elements === el)
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if (filteredChildren.length) filteredChildren[0].isProofed = false
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}
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// Remove all grammar mistakes markup for given block element.
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clearAllMistakes(el) {
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let filteredChildren = this.children.filter(child => child.elements === el)
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if (!filteredChildren.length) return
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const correctionPanel = document.getElementById('correction-panel')
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filteredChildren[0].matches.forEach(match => {
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for (const rect of match.rects) {
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for (let child of correctionPanel.children) {
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let childRect = child.getBoundingClientRect()
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const isWithinRect =
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childRect.left >= rect.left &&
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childRect.right <= rect.right &&
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childRect.top >= rect.top &&
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childRect.bottom <= rect.bottom + 20
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if (isWithinRect) {
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child.remove()
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}
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}
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}
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})
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}
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// Adds grammar mistake markup
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static addMistake(range, match) {
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const correctionPanel = document.getElementById('correction-panel')
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const clientRects = range.getClientRects()
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for (let i = 0, n = clientRects.length; i < n; ++i) {
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const rect = clientRects[i]
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const highlight = document.createElement('div')
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highlight.classList.add('bes-typo-mistake')
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highlight.style.left = `${rect.left}px`
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highlight.style.top = `${rect.top}px`
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highlight.style.width = `${rect.width}px`
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highlight.style.height = `${rect.height}px`
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correctionPanel.appendChild(highlight)
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}
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return clientRects
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}
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// Tests if given element is block element.
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static isBlockElement(el) {
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const defaultView = document.defaultView
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switch (
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defaultView
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.getComputedStyle(el, null)
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.getPropertyValue('display')
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.toLowerCase()
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) {
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case 'inline':
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case 'inline-block':
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return false
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default:
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return true
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}
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}
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// Returns first block parent element
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getBlockParent(el) {
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for (; el && el !== this.el; el = el.parentNode) {
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if (el.nodeType === Node.ELEMENT_NODE && BesEditor.isBlockElement(el)) return el
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}
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return el
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}
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handleClick(e) {
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const targetEl = e.target
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const popup = document.querySelector('bes-popup-el')
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if (targetEl.tagName === 'DIV') {
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const divIndex = this.children.findIndex(
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child => child.elements === targetEl
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)
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const matches = this.children[divIndex]?.matches
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if (!matches) {
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popup.hide()
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return
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}
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if (BesEditor.renderPopup(matches, popup, e.clientX, e.clientY)) return
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} else {
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popup.hide()
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}
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}
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static renderPopup(matches, popup, clientX, clientY) {
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for (let m of matches) {
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if (m.rects) {
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for (let r of m.rects) {
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if (BesEditor.isPointInRect(clientX, clientY, r)) {
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popup.changeText(m.match.message)
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m.match.replacements.forEach(replacement => {
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popup.appendReplacements(
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replacement.value,
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m.match.offset,
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m.match.length
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)
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})
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popup.show(clientX, clientY)
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return true
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}
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}
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} else {
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popup.hide()
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}
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}
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return false
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}
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static isPointInRect(x, y, rect) {
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return (
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x >= rect.x &&
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x < rect.x + rect.width &&
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y >= rect.y &&
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y < rect.y + rect.height
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)
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}
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}
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let besEditors = [] // Collection of all editors on page
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window.onload = () => {
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// Search and prepare all our editors found in the document.
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document.querySelectorAll('.bes-online-editor').forEach(edit => {
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let editor = {
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el: edit,
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timer: null,
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children: []
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}
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let editor = new BesEditor(edit)
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besEditors[edit.id] = editor
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besProof(editor, edit)
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edit.addEventListener(
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'beforeinput',
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e => besHandleBeforeInput(editor, e),
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false
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)
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edit.addEventListener('click', e => besHandleClick(editor, e))
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})
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}
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@ -25,286 +306,11 @@ window.onresize = () => {
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Object.keys(besEditors).forEach(key => {
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let editor = besEditors[key]
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editor.children.forEach(child => {
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besClearAllMistakes(editor, child?.elements)
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editor.clearAllMistakes(child?.elements)
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child.matches.forEach(match => {
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const clientRect = besAddMistake(match.range, match)
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const clientRect = BesEditor.addMistake(match.range, match)
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match.rects = clientRect
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})
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})
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})
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}
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// Recursively grammar-proofs one node.
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async function besProof(editor, el) {
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switch (el.nodeType) {
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case Node.TEXT_NODE:
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return [{ text: el.textContent, el: el, markup: false }]
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case Node.ELEMENT_NODE:
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if (besIsBlockElement(el)) {
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// Block elements are grammar-proofed independently.
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if (besIsProofed(editor, el)) {
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return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
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}
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besClearAllMistakes(editor, el)
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let data = []
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for (const el2 of el.childNodes) {
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data = data.concat(await besProof(editor, el2))
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}
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if (data.some(x => !x.markup && !/^\s*$/.test(x.text))) {
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const requestData = {
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format: 'plain',
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data: JSON.stringify({
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annotation: data.map(x =>
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x.markup ? { markup: x.text } : { text: x.text }
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)
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}),
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language: el.lang ? el.lang : 'sl',
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level: 'picky'
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}
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const request = new Request(besUrl, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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body: new URLSearchParams(requestData)
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})
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fetch(request)
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.then(response => {
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if (!response.ok) {
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// TODO: Make connectivity and BesStr issues non-fatal. But show an error sign somewhere in the UI.
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throw new Error('Backend server response was not OK')
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}
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return response.json()
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})
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.then(responseData => {
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let matches = []
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responseData.matches.forEach(match => {
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let range = document.createRange()
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// Locate start of the grammar mistake.
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for (
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let idx = 0, startingOffset = 0;
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;
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startingOffset += data[idx++].text.length
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) {
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if (
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!data[idx].markup &&
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/*startingOffset <= match.offset &&*/ match.offset <
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startingOffset + data[idx].text.length
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) {
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range.setStart(data[idx].el, match.offset - startingOffset)
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break
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}
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}
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// Locate end of the grammar mistake.
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let endOffset = match.offset + match.length
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for (
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let idx = 0, startingOffset = 0;
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;
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startingOffset += data[idx++].text.length
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) {
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if (
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!data[idx].markup &&
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/*startingOffset <= endOffset &&*/ endOffset <=
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startingOffset + data[idx].text.length
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) {
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range.setEnd(data[idx].el, endOffset - startingOffset)
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break
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}
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}
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const clientRect = besAddMistake(range, match)
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matches.push({
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range: range,
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rects: clientRect,
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match: match
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})
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})
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besMarkProofed(editor, el, matches)
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})
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.catch(error => {
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// TODO: Make parsing issues non-fatal. But show an error sign somewhere in the UI.
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throw new Error(
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'Parsing backend server response failed: ' + error
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)
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})
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}
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return [{ text: '<' + el.tagName + '/>', el: el, markup: true }]
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} else {
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// Surround inline element with dummy <tagName>...</tagName>.
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let data = [{ text: '<' + el.tagName + '>', el: el, markup: true }]
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for (const el2 of el.childNodes) {
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data = data.concat(await besProof(editor, el2))
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}
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data.splice(data.length, 0, {
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text: '</' + el.tagName + '>',
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markup: true
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})
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return data
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}
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default:
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return [{ text: '<?' + el.nodeType + '>', el: el, markup: true }]
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}
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}
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// Marks section of text that is about to change as not-yet-grammar-proofed.
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function besHandleBeforeInput(editor, event) {
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if (editor.timer) clearTimeout(editor.timer)
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editor.timer = setTimeout(function () {
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besProof(editor, editor.el)
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}, 1000)
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// No need to invalidate elements after range.startContainer since they will
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// get either deleted or replaced.
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event
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.getTargetRanges()
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.forEach(range =>
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besClearProofed(editor, besGetBlockParent(editor, range.startContainer))
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)
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}
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// Test if given block element has already been grammar-proofed.
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function besIsProofed(editor, el) {
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let filteredChildren = editor?.children.filter(child => child.elements === el)
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return filteredChildren[0]?.isProofed
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}
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// Mark given block element as grammar-proofed.
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function besMarkProofed(editor, el, matches) {
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let newChild = {
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isProofed: true,
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elements: el,
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matches: matches
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}
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editor.children = editor.children.map(child =>
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child.elements === newChild.elements ? newChild : child
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)
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if (!editor.children.some(child => child.elements === newChild.elements)) {
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editor.children.push(newChild)
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}
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}
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// Mark given block element as not grammar-proofed.
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function besClearProofed(editor, el) {
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let filteredChildren = editor.children.filter(child => child.elements === el)
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if (filteredChildren.length) filteredChildren[0].isProofed = false
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}
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// Remove all grammar mistakes markup for given block element.
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function besClearAllMistakes(editor, el) {
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let filteredChildren = editor?.children.filter(child => child.elements === el)
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if (!filteredChildren.length) return
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const correctionPanel = document.getElementById('correction-panel')
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filteredChildren[0].matches.forEach(match => {
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for (const rect of match.rects) {
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for (let child of correctionPanel.children) {
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let childRect = child.getBoundingClientRect()
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const isWithinRect =
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childRect.left >= rect.left &&
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childRect.right <= rect.right &&
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childRect.top >= rect.top &&
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childRect.bottom <= rect.bottom + 20
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if (isWithinRect) {
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child.remove()
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}
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}
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}
|
||||
})
|
||||
}
|
||||
|
||||
// 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
|
||||
)
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user