Add interactive flag to reference widgets

src/css/prosemirror.scss

@@ -98,7 +98,7 @@ div.ProseMirror {
 		padding: .5em 0;
 	}
 
-	p.paragraph-content {
+	p .paragraph-content {
 		margin-bottom: 1em;
 		line-height: 150%;
 	}
@@ -248,7 +248,7 @@ div.ProseMirror {
 		position: relative;
 		padding-left: 3px;
 
-		p.paragraph-content {
+		p .paragraph-content {
 			margin-bottom: 0.5em;
 		}
 	}

src/nodes/Paragraph.js

@@ -1,13 +1,11 @@
 import TiptapParagraph from '@tiptap/extension-paragraph'
+import { VueNodeViewRenderer } from '@tiptap/vue-2'
+import ParagraphView from './ParagraphView.vue'
 
 const Paragraph = TiptapParagraph.extend({
 
-	addOptions() {
-		return {
-			HTMLAttributes: {
-				class: 'paragraph-content',
-			},
-		}
+	addNodeView() {
+		return VueNodeViewRenderer(ParagraphView)
 	},
 
 	parseHTML() {

src/nodes/ParagraphView.vue

@@ -0,0 +1,133 @@
+<!--
+  - @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
+  -
+  - @author Julius Härtl <jus@bitgrid.net>
+  -
+  - @license GNU AGPL version 3 or any later version
+  -
+  - This program is free software: you can redistribute it and/or modify
+  - it under the terms of the GNU Affero General Public License as
+  - published by the Free Software Foundation, either version 3 of the
+  - License, or (at your option) any later version.
+  -
+  - This program is distributed in the hope that it will be useful,
+  - but WITHOUT ANY WARRANTY; without even the implied warranty of
+  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+  - GNU Affero General Public License for more details.
+  -
+  - You should have received a copy of the GNU Affero General Public License
+  - along with this program. If not, see <http://www.gnu.org/licenses/>.
+  -
+  -->
+
+<template>
+	<NodeViewWrapper class="vue-component" as="p">
+		<NodeViewContent class="paragraph-content" />
+		<NcReferenceList v-if="isLoggedIn && text"
+			:text="text"
+			:limit="1"
+			:interactive="true"
+			contenteditable="false" />
+	</NodeViewWrapper>
+</template>
+
+<script>
+import { NodeViewContent, nodeViewProps, NodeViewWrapper } from '@tiptap/vue-2'
+import { getCurrentUser } from '@nextcloud/auth'
+import { NcReferenceList } from '@nextcloud/vue/dist/Components/NcRichText.js'
+import debounce from 'debounce'
+
+export default {
+	name: 'ParagraphView',
+	components: {
+		NodeViewWrapper,
+		NodeViewContent,
+		NcReferenceList,
+	},
+	props: nodeViewProps,
+	data() {
+		return {
+			text: null,
+			isLoggedIn: getCurrentUser(),
+		}
+	},
+	watch: {
+		node: {
+			handler(newNode) {
+				if (!newNode?.textContent) {
+					this.text = ''
+					return
+				}
+				this.debouncedUpdateText(newNode)
+			},
+		},
+	},
+	beforeCreate() {
+		this.debouncedUpdateText = debounce((newNode) => {
+			this.text = this.getTextReference(this.node)
+		}, 500)
+	},
+	created() {
+		this.text = this.getTextReference(this.node)
+	},
+	beforeUnmount() {
+		this.debouncedUpdateText?.cancel()
+	},
+	methods: {
+		getTextReference(node) {
+			if (!node?.childCount) {
+				return null
+			}
+
+			// Only regard paragraphs with exactly one text node (ignoring whitespace-only nodes)
+			let textNode
+			for (let i = 0; i < node.childCount; i++) {
+				const childNode = node.child(i)
+
+				// Disregard paragraphs with non-text nodes
+				if (childNode.type.name !== 'text') {
+					return null
+				}
+
+				// Ignore children with empty text
+				if (!childNode.textContent.trim()) {
+					continue
+				}
+
+				// Disregard paragraphs with more than one text nodes
+				if (textNode) {
+					return null
+				}
+
+				textNode = childNode
+			}
+
+			// Check if the text node is a link
+			const linkMark = textNode?.marks.find((m) => m.type.name === 'link')
+			const href = linkMark?.attrs?.href
+
+			const PATTERN = /(^)(https?:\/\/)((?:[-A-Z0-9+_]+\.)+[-A-Z]+(?:\/[-A-Z0-9+&@#%?=~_|!:,.;()]*)*)($)/ig
+			if ((new RegExp(PATTERN)).test(href)) {
+				return href
+			}
+
+			return null
+		},
+	},
+}
+</script>
+<style lang="scss" scoped>
+:deep(div.widgets--list a.widget-default) {
+	color: var(--color-main-text);
+	padding: 0;
+	text-decoration: none;
+	max-width: calc(100vw - 56px);
+}
+
+:deep(.widget-default--details) {
+	overflow:hidden;
+	p {
+		margin-bottom: 4px !important;
+	}
+}
+</style>

src/tests/nodes/Table.spec.js

@@ -78,5 +78,5 @@ function editorWithContent(content) {
 }
 
 function formatHTML(html) {
-	return html.replaceAll('><', '>\n<').replace(/\n$/, '').replace('<p>', '<p class="paragraph-content">')
+	return html.replaceAll('><', '>\n<').replace(/\n$/, '')
 }

src/tests/tiptap.spec.js

@@ -13,11 +13,11 @@ const renderedHTML = ( markdown ) => {
 describe('TipTap', () => {
 	it('render softbreaks', () => {
         const markdown = 'This\nis\none\nparagraph'
-		expect(renderedHTML(markdown)).toEqual(`<p class="paragraph-content">${markdown}</p>`)
+		expect(renderedHTML(markdown)).toEqual(`<p>${markdown}</p>`)
 	})
 
     it('render hardbreak', () => {
         const markdown = 'Hard line break  \nNext Paragraph'
-        expect(renderedHTML(markdown)).toEqual('<p class="paragraph-content">Hard line break<br>Next Paragraph</p>')
+        expect(renderedHTML(markdown)).toEqual('<p>Hard line break<br>Next Paragraph</p>')
     })
 })