71 lines
2.3 KiB
JavaScript
71 lines
2.3 KiB
JavaScript
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import {mergeObject} from "../../utils/helpers.mjs";
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import ImageNode from "./image-node.mjs";
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import LinkMark from "./link-mark.mjs";
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import SchemaDefinition from "./schema-definition.mjs";
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/**
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* A class responsible for encapsulating logic around image-link nodes in the ProseMirror schema.
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* @extends {SchemaDefinition}
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*/
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export default class ImageLinkNode extends SchemaDefinition {
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/** @override */
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static tag = "a";
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/* -------------------------------------------- */
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/** @override */
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static get attrs() {
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return mergeObject(ImageNode.attrs, LinkMark.attrs);
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}
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/* -------------------------------------------- */
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/** @override */
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static getAttrs(el) {
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if ( (el.children.length !== 1) || (el.children[0].tagName !== "IMG") ) return false;
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const attrs = ImageNode.getAttrs(el.children[0]);
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attrs.href = el.href;
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attrs.title = el.title;
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return attrs;
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}
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/* -------------------------------------------- */
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/** @override */
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static toDOM(node) {
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const spec = LinkMark.toDOM(node);
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spec.push(ImageNode.toDOM(node));
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return spec;
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}
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/* -------------------------------------------- */
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/** @inheritdoc */
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static make() {
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return mergeObject(super.make(), {
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group: "block",
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draggable: true,
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managed: { styles: ["float"], classes: ["centered"] }
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});
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}
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/* -------------------------------------------- */
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/**
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* Handle clicking on image links while editing.
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* @param {EditorView} view The ProseMirror editor view.
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* @param {number} pos The position in the ProseMirror document that the click occurred at.
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* @param {PointerEvent} event The click event.
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* @param {Node} node The Node instance.
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*/
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static onClick(view, pos, event, node) {
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if ( (event.ctrlKey || event.metaKey) && node.attrs.href ) window.open(node.attrs.href, "_blank");
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// For some reason, calling event.preventDefault in this (mouseup) handler is not enough to cancel the default click
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// behaviour. It seems to be related to the outer anchor being set to contenteditable="false" by ProseMirror.
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// This workaround seems to prevent the click.
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const parent = event.target.parentElement;
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if ( (parent.tagName === "A") && !parent.isContentEditable ) parent.contentEditable = "true";
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return true;
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}
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}
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