// JavaScript
// Editor for HTML page
"use strict";
/*
Editor for HTML page (Thunderbird or Iframe)
*/
class HTMLPageEditor {
constructor (xDocument, bCheckSignature=false) {
this.xDocument = xDocument;
this.xRootNode = xDocument.rootElement;
this.lNode = [];
this.bCheckSignature = bCheckSignature;
this._lParsableNodes = ["P", "LI", "H1", "H2", "H3", "H4", "H5"];
this._lRootNodes = ["DIV", "UL", "OL"];
}
* _getParsableNodes () {
// recursive function
try {
for (let xNode of this.xRootNode.childNodes) {
if (xNode.className !== "moz-cite-prefix" && xNode.tagName !== "BLOCKQUOTE"
&& (xNode.nodeType == Node.TEXT_NODE || (xNode.nodeType == Node.ELEMENT_NODE && !xNode.textContent.startsWith(">")))
&& xNode.textContent !== "") {
if (xNode.tagName === undefined) {
if (!this.bCheckSignature && xNode.textContent.startsWith("-- ")) {
break;
}
yield xNode;
}
else if (this._lParsableNodes.includes(xNode.tagName)) {
yield xNode;
}
else if (this._lRootNodes.includes(xNode.tagName)) {
yield* this._getParsableNodes(xNode);
}
}
}
}
catch (e) {
showError(e);
}
}
* getParagraphs () {
try {
let i = 0;
for (let xNode of this._getParsableNodes()) {
this.lNode.push(xNode);
yield [i, xNode.textContent];
i += 1;
}
}
catch (e) {
showError(e);
}
}
getText () {
try {
let sPageText = "";
for (let [i, sLine] of this.getParagraphs()) {
sPageText += sLine + "\n";
}
return sPageText;
}
catch (e) {
showError(e);
}
}
getParagraph (iPara) {
try {
return this.lNode[iPara].textContent;
}
catch (e) {
showError(e);
}
}
setParagraph (iPara, sText) {
try {
return this.lNode[iPara].textContent = sText;
}
catch (e) {
showError(e);
}
}
changeParagraph (iPara, sModif, iStart, iEnd) {
let sText = this.getParagraph(iPara);
this.writeParagraph(iPara, sText.slice(0, iStart) + sModif + sText.slice(iEnd));
}
clear () {
this.xDocument = null;
this.xRootNode = null;
this.lNode.length = 0;
}
}
/*
Editor for TextNode (Textarea or editable node)
*/
class TextNodeEditor {
constructor (what, xResultNode=null) {
this.xNode = null;
this.dParagraph = new Map();
this.bTextArea = false;
this.bIframe = false;
this.bResultInEvent = false; // if true, the node content is not modified, but an event is dispatched on the node with the modified text
this.xResultNode = null; // only useful for text analysed without node
if (xResultNode instanceof HTMLElement) {
this.xResultNode = xResultNode;
this.bResultInEvent = true;
}
if (typeof(what) == "string") {
// SIMPLE TEXT
if (!this.xResultNode) {
oGrammalecte.oGCPanel.addMessageToGCPanel("⛔ Aucun champ textuel défini. Les changements ne seront pas répercutés sur la zone d’où le texte a été extrait.");
}
this.loadText(sText);
}
else if (what.nodeType && what.nodeType === 1) {
// NODE
this.xNode = what;
this.bResultInEvent = Boolean(this.xNode.dataset.grammalecte_result_via_event && this.xNode.dataset.grammalecte_result_via_event == "true");
this.bTextArea = (this.xNode.tagName == "TEXTAREA" || this.xNode.tagName == "INPUT");
this.bIframe = (this.xNode.tagName == "IFRAME");
if (this.bTextArea) {
this.xNode.disabled = true;
this.loadText(this.xNode.value);
}
else if (this.bIframe) {
// iframe
if (!this.bResultInEvent) {
oGrammalecte.oGCPanel.addMessageToGCPanel("⛔ La zone analysée est un cadre contenant une autre page web (“iframe”). Les changements faits ne peuvent être pas répercutés dans cette zone.");
}
this.loadText(this.xNode.contentWindow.document.body.innerText);
}
else {
// editable node
oGrammalecte.oGCPanel.addMessageToGCPanel("❗ La zone de texte analysée est un champ textuel enrichi susceptible de contenir des éléments non textuels qui seront effacés lors de la correction.");
this.loadText(this.xNode.innerText);
}
}
}
loadText (sText) {
// function also used by the text formatter
if (typeof(sText) === "string") {
this.dParagraph.clear();
let i = 0;
let iStart = 0;
let iEnd = 0;
sText = sText.replace(/\r\n/g, "\n").replace(/\r/g, "\n").normalize("NFC");
while ((iEnd = sText.indexOf("\n", iStart)) !== -1) {
this.dParagraph.set(i, sText.slice(iStart, iEnd));
i++;
iStart = iEnd+1;
}
this.dParagraph.set(i, sText.slice(iStart));
//console.log("Paragraphs number: " + (i+1));
}
this.write();
}
clear () {
if (this.xNode !== null) {
this.xNode.disabled = false;
this.bTextArea = false;
this.bIframe = false;
this.bResultInEvent = false;
this.xNode = null;
this.xResultNode = null;
}
this.dParagraph.clear();
}
getText () {
return [...this.dParagraph.values()].join("\n").normalize("NFC");
}
setParagraph (iParagraph, sText) {
this.dParagraph.set(iParagraph, sText);
this.write();
}
getParagraph (iParaNum) {
return this.dParagraph.get(iParaNum);
}
_eraseNodeContent () {
while (this.xNode.firstChild) {
this.xNode.removeChild(this.xNode.firstChild);
}
}
write () {
if (this.xNode !== null) {
if (this.bResultInEvent) {
const xEvent = new CustomEvent("GrammalecteResult", { detail: JSON.stringify({ sType: "text", sText: this.getText() }) });
this.xNode.dispatchEvent(xEvent);
//console.log("[Grammalecte debug] Text sent to xNode via event:", xEvent.detail);
}
else if (this.bTextArea) {
this.xNode.value = this.getText();
//console.log("[Grammalecte debug] text written in textarea:", this.getText());
}
else if (this.bIframe) {
//console.log(this.getText());
}
else {
this._eraseNodeContent();
this.dParagraph.forEach((val, key) => {
this.xNode.appendChild(document.createTextNode(val.normalize("NFC")));
this.xNode.appendChild(document.createElement("br"));
});
//console.log("[Grammalecte debug] text written in editable node:", this.getText());
}
}
else if (this.xResultNode !== null) {
const xEvent = new CustomEvent("GrammalecteResult", { detail: JSON.stringify({ sType: "text", sText: this.getText() }) });
this.xResultNode.dispatchEvent(xEvent);
//console.log("[Grammalecte debug] Text sent to xResultNode via event:", xEvent.detail);
}
}
}