feature: add table button to create a table

Signed-off-by: Max <max@nextcloud.com>

css/icons.scss

@@ -8,6 +8,7 @@
 @include icon-black-white('ol', 'text', 1);
 @include icon-black-white('ul', 'text', 1);
 @include icon-black-white('tasklist', 'text', 1);
+@include icon-black-white('table', 'text', 1);
 @include icon-black-white('hr', 'text', 1);
 @include icon-black-white('quote', 'text', 1);
 @include icon-black-white('paragraph', 'text', 1);

src/mixins/menubar.js

@@ -213,6 +213,14 @@ export default [
 			return command.toggleCodeBlock()
 		},
 	},
+	{
+		label: t('text', 'Table'),
+		class: 'icon-table',
+		isActive: 'table',
+		action: (command) => {
+			return command.insertTable()
+		},
+	},
 	{
 		label: t('text', 'Emoji picker'),
 		class: 'icon-emoji',

src/nodes/Table.js

@@ -1,5 +1,6 @@
 import { Table } from '@tiptap/extension-table'
 import { Node, mergeAttributes } from '@tiptap/core'
+import { TextSelection } from 'prosemirror-state'
 
 /*
  * Markdown tables do not include captions.
@@ -26,8 +27,53 @@ const tableCaption = Node.create({
 			{ tag: 'table caption', priority: 90 },
 		]
 	},
+
 })
 
+function getTableNodeTypes(schema) {
+	if (schema.cached.tableNodeTypes) {
+		return schema.cached.tableNodeTypes
+	}
+
+	const roles = {}
+
+	Object.keys(schema.nodes).forEach(type => {
+		const nodeType = schema.nodes[type]
+
+		if (nodeType.spec.tableRole) {
+			roles[nodeType.spec.tableRole] = nodeType
+		}
+	})
+
+	schema.cached.tableNodeTypes = roles
+
+	return roles
+}
+
+function createTable(schema, rowsCount, colsCount, cellContent) {
+	const types = getTableNodeTypes(schema)
+	const headerCells = []
+	const cells = []
+	for (let index = 0; index < colsCount; index += 1) {
+		const cell = types.cell.createAndFill()
+		if (cell) {
+			cells.push(cell)
+		}
+		const headerCell = types.header_cell.createAndFill()
+		if (headerCell) {
+			headerCells.push(headerCell)
+		}
+	}
+	const headRow = types.headRow.createChecked(null, headerCells)
+	const rows = []
+	for (let index = 1; index < rowsCount; index += 1) {
+		rows.push(types.row.createChecked(null, cells))
+	}
+	const head = types.head.createChecked(null, headRow)
+	const body = types.body.createChecked(null, rows)
+	return types.table.createChecked(null, [head, body])
+}
+
 export default Table.extend({
 	content: 'tableCaption? tableHead tableBody',
 
@@ -37,6 +83,22 @@ export default Table.extend({
 		]
 	},
 
+	addCommands() {
+		return {
+			...this.parent(),
+			insertTable: () => ({ tr, dispatch, editor }) => {
+				const node = createTable(editor.schema, 3, 3, true)
+				if (dispatch) {
+					const offset = tr.selection.anchor + 1
+					tr.replaceSelectionWith(node)
+						.scrollIntoView()
+						.setSelection(TextSelection.near(tr.doc.resolve(offset)))
+				}
+				return true
+			},
+		}
+	},
+
 	renderHTML({ HTMLAttributes }) {
 		return ['table', mergeAttributes(this.options.HTMLAttributes, HTMLAttributes), 0]
 	},

src/nodes/TableBody.js

@@ -3,6 +3,7 @@ import { Node, mergeAttributes } from '@tiptap/core'
 export default Node.create({
 	name: 'tableBody',
 	content: 'tableRow*',
+	tableRole: 'body',
 
 	addOptions() {
 		return {

src/nodes/TableHead.js

@@ -3,6 +3,7 @@ import { Node, mergeAttributes } from '@tiptap/core'
 const tableHeadRow = Node.create({
 	name: 'tableHeadRow',
 	content: 'tableHeader*',
+	tableRole: 'headRow',
 
 	addOptions() {
 		return {
@@ -31,6 +32,7 @@ const tableHeadRow = Node.create({
 export default Node.create({
 	name: 'tableHead',
 	content: 'tableHeadRow',
+	tableRole: 'head',
 
 	addOptions() {
 		return {