mirror of
https://0xacab.org/sutty/sutty
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57f885360f
fixes #1160
339 lines
10 KiB
TypeScript
339 lines
10 KiB
TypeScript
import { storeContent, restoreContent, forgetContent } from "editor/storage";
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import {
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isDirectChild,
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moveChildren,
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safeGetSelection,
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safeGetRangeAt,
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setAuxiliaryToolbar,
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parentBlockNames,
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clearSelected,
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} from "editor/utils";
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import { types, getValidChildren, getType } from "editor/types";
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import { setupButtons as setupMarksButtons } from "editor/types/marks";
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import { setupButtons as setupBlocksButtons } from "editor/types/blocks";
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import { setupButtons as setupParentBlocksButtons } from "editor/types/parentBlocks";
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import { setupAuxiliaryToolbar as setupLinkAuxiliaryToolbar } from "editor/types/link";
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import {
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setupAuxiliaryToolbar as setupMultimediaAuxiliaryToolbar,
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setupButtons as setupMultimediaButtons,
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} from "editor/types/multimedia";
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import { setupAuxiliaryToolbar as setupMarkAuxiliaryToolbar } from "editor/types/mark";
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// Esta funcion corrije errores que pueden haber como:
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// * que un nodo que no tiene 'text' permitido no tenga children (se les
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// inserta un allowedChildren[0])
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// * TODO: que haya una imágen sin <figure> o que no esté como bloque (se ponen
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// después del bloque en el que están como bloque de por si)
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// * convierte <i> y <b> en <em> y <strong>
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// Lo hace para que siga la estructura del documento y que no se borren por
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// cleanContent luego.
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function fixContent(editor: Editor, node: Element = editor.contentEl): void {
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if (node.tagName === "SCRIPT" || node.tagName === "STYLE") {
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node.parentElement?.removeChild(node);
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return;
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}
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if (node.tagName === "I") {
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const el = document.createElement("em");
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moveChildren(node, el, null);
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node.parentElement?.replaceChild(el, node);
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node = el;
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}
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if (node.tagName === "B") {
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const el = document.createElement("strong");
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moveChildren(node, el, null);
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node.parentElement?.replaceChild(el, node);
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node = el;
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}
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if (node instanceof HTMLImageElement) {
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node.dataset.multimediaInner = "";
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const figureEl = types.multimedia.create(editor);
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let targetEl = node.parentElement;
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if (!targetEl) throw new Error("No encontré lx objetivo");
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while (true) {
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const type = getType(targetEl);
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if (!type) throw new Error("lx objetivo tiene tipo");
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if (type.type.allowedChildren.includes("multimedia")) break;
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if (!targetEl.parentElement) throw new Error("No encontré lx objetivo");
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targetEl = targetEl.parentElement;
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}
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let parentEl = [...targetEl.childNodes].find((el) => el.contains(node));
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if (!parentEl) throw new Error("no encontré lx pariente");
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targetEl.insertBefore(figureEl, parentEl);
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const innerEl = figureEl.querySelector("[data-multimedia-inner]");
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if (!innerEl) throw new Error("Raro.");
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figureEl.replaceChild(node, innerEl);
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node = figureEl;
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}
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const _type = getType(node);
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if (!_type) return;
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const { typeName, type } = _type;
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if (type.allowedChildren !== "ignore-children") {
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const sel = safeGetSelection(editor);
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const range = sel && safeGetRangeAt(sel);
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if (getValidChildren(node, type).length == 0) {
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if (typeof type.handleEmpty !== "string") {
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const el = type.handleEmpty.create(editor);
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// mover cosas que pueden haber
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// por ejemplo: cuando convertís a un <ul>, queda texto fuera del li que
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// creamos acá
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moveChildren(node, el, null);
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node.appendChild(el);
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if (range?.intersectsNode(node)) sel?.collapse(el);
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}
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}
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for (const child of node.childNodes) {
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if (!(child instanceof Element)) continue;
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fixContent(editor, child);
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}
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}
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}
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// Esta funcion hace que los elementos del editor sigan la estructura.
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// TODO: nos falta borrar atributos (style, y básicamente cualquier otra cosa)
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// Edge cases:
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// * no borramos los <br> por que se requieren para que los navegadores
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// funcionen bien al escribir. no se deberían mostrar de todas maneras
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function cleanContent(editor: Editor, node: Element = editor.contentEl): void {
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const _type = getType(node);
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if (!_type) {
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node.parentElement?.removeChild(node);
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return;
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}
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const { type } = _type;
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if (type.allowedChildren !== "ignore-children") {
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for (const child of node.childNodes) {
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if (
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child.nodeType === Node.TEXT_NODE &&
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!type.allowedChildren.includes("text")
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) {
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node.removeChild(child);
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continue;
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}
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if (!(child instanceof Element)) continue;
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const childType = getType(child);
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if (childType?.typeName === "br") continue;
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if (!childType || !type.allowedChildren.includes(childType.typeName)) {
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// XXX: esto extrae las cosas de adentro para que no sea destructivo
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moveChildren(child, node, child);
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node.removeChild(child);
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return;
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}
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cleanContent(editor, child);
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}
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// solo contar children válido para ese nodo
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const validChildrenLength = getValidChildren(node, type).length;
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const sel = safeGetSelection(editor);
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const range = sel && safeGetRangeAt(sel);
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if (
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type.handleEmpty === "remove" &&
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validChildrenLength == 0
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//&& (!range || !range.intersectsNode(node))
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) {
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node.parentNode?.removeChild(node);
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return;
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}
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}
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}
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function routine(editor: Editor): void {
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try {
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fixContent(editor);
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cleanContent(editor);
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storeContent(editor);
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editor.htmlEl.value = editor.contentEl.innerHTML;
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} catch (error) {
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console.error("Hubo un problema corriendo la rutina", editor, error);
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}
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}
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export interface Editor {
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editorEl: HTMLElement;
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toolbarEl: HTMLElement;
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toolbar: {
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auxiliary: {
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mark: {
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parentEl: HTMLElement;
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colorEl: HTMLInputElement;
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textColorEl: HTMLInputElement;
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};
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multimedia: {
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parentEl: HTMLElement;
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fileEl: HTMLInputElement;
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uploadEl: HTMLButtonElement;
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altEl: HTMLInputElement;
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removeEl: HTMLButtonElement;
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};
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link: {
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parentEl: HTMLElement;
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urlEl: HTMLInputElement;
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};
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};
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};
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contentEl: HTMLElement;
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wordAlertEl: HTMLElement;
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htmlEl: HTMLTextAreaElement;
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}
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function getSel<T extends Element>(parentEl: HTMLElement, selector: string): T {
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const el = parentEl.querySelector<T>(selector);
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if (!el) throw new Error(`No pude encontrar un componente \`${selector}\``);
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return el;
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}
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function setupEditor(editorEl: HTMLElement): void {
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// XXX: ¡Esto afecta a todo el documento! ¿Quizás usar un iframe para el editor?
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document.execCommand("defaultParagraphSeparator", false, "p");
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const editor: Editor = {
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editorEl,
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toolbarEl: getSel(editorEl, ".editor-toolbar"),
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toolbar: {
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auxiliary: {
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mark: {
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parentEl: getSel(editorEl, "[data-editor-auxiliary=mark]"),
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colorEl: getSel(
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editorEl,
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"[data-editor-auxiliary=mark] [name=mark-color]"
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),
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textColorEl: getSel(
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editorEl,
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"[data-editor-auxiliary=mark] [name=mark-text-color]"
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),
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},
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multimedia: {
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parentEl: getSel(editorEl, "[data-editor-auxiliary=multimedia]"),
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fileEl: getSel(
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editorEl,
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"[data-editor-auxiliary=multimedia] [name=multimedia-file]"
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),
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uploadEl: getSel(
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editorEl,
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"[data-editor-auxiliary=multimedia] [name=multimedia-file-upload]"
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),
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altEl: getSel(
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editorEl,
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"[data-editor-auxiliary=multimedia] [name=multimedia-alt]"
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),
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removeEl: getSel(
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editorEl,
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"[data-editor-auxiliary=multimedia] [name=multimedia-remove]"
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),
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},
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link: {
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parentEl: getSel(editorEl, "[data-editor-auxiliary=link]"),
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urlEl: getSel(
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editorEl,
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"[data-editor-auxiliary=link] [name=link-url]"
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),
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},
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},
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},
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contentEl: getSel(editorEl, ".editor-content"),
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wordAlertEl: getSel(editorEl, ".editor-aviso-word"),
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htmlEl: getSel(editorEl, "textarea"),
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};
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console.debug("iniciando editor", editor);
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// Recuperar el contenido si hay algo guardado, si tuviéramos un campo
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// de última edición podríamos saber si el artículo fue editado
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// después o la versión local es la última.
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//
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// TODO: Preguntar si se lo quiere recuperar.
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restoreContent(editor);
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// Word alert
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editor.contentEl.addEventListener("paste", () => {
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editor.wordAlertEl.style.display = "block";
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});
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// Setup routine listeners
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const observer = new MutationObserver(() => routine(editor));
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observer.observe(editor.contentEl, {
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childList: true,
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attributes: true,
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subtree: true,
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characterData: true,
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});
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document.addEventListener("selectionchange", () => routine(editor));
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// Capture onClick
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editor.contentEl.addEventListener(
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"click",
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(event) => {
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const target = event.target! as Element;
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const type = getType(target);
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if (!type || !type.type.onClick) {
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setAuxiliaryToolbar(editor, null);
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clearSelected(editor);
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return true;
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}
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type.type.onClick(editor, target);
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return false;
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},
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true
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);
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// Clean seleted
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const selectedEl = editor.contentEl.querySelector("[data-editor-selected]");
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if (selectedEl) delete (selectedEl as HTMLElement).dataset.editorSelected;
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// Setup botones
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setupMarksButtons(editor);
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setupBlocksButtons(editor);
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setupParentBlocksButtons(editor);
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setupMultimediaButtons(editor);
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setupLinkAuxiliaryToolbar(editor);
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setupMultimediaAuxiliaryToolbar(editor);
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setupMarkAuxiliaryToolbar(editor);
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// Finally...
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routine(editor);
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}
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document.addEventListener("turbolinks:load", () => {
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const flash = document.querySelector<HTMLElement>(".js-flash");
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if (flash) {
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const keys = JSON.parse(flash.dataset.keys || "[]");
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switch (flash.dataset.target) {
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case "editor":
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switch (flash.dataset.action) {
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case "forget-content":
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keys.forEach(forgetContent);
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}
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}
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}
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for (const editorEl of document.querySelectorAll<HTMLElement>(
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".editor[data-editor]"
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)) {
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try {
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setupEditor(editorEl);
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} catch (error) {
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// TODO: mostrar error
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console.error("no se pudo iniciar el editor, error completo", error);
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}
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}
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});
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