From 22d224895164906c46950cd750bc8db9ab8efd53 Mon Sep 17 00:00:00 2001
From: Sinclair Chen <abc.sinclair@gmail.com>
Date: Mon, 12 Sep 2022 16:10:32 -0700
Subject: [PATCH] Add floating menu (bold, italic, link) (#867)

* Add floating menu (bold, italic, link)
* Sanitize and href-ify user input
---
 common/util/parse.ts          |  7 ++++
 web/components/editor.tsx     | 68 +++++++++++++++++++++++++++++++++++
 web/lib/icons/bold-icon.tsx   | 20 +++++++++++
 web/lib/icons/italic-icon.tsx | 21 +++++++++++
 web/lib/icons/link-icon.tsx   | 20 +++++++++++
 5 files changed, 136 insertions(+)
 create mode 100644 web/lib/icons/bold-icon.tsx
 create mode 100644 web/lib/icons/italic-icon.tsx
 create mode 100644 web/lib/icons/link-icon.tsx

diff --git a/common/util/parse.ts b/common/util/parse.ts
index 4fac3225..0bbd5cd9 100644
--- a/common/util/parse.ts
+++ b/common/util/parse.ts
@@ -23,8 +23,15 @@ import { Link } from '@tiptap/extension-link'
 import { Mention } from '@tiptap/extension-mention'
 import Iframe from './tiptap-iframe'
 import TiptapTweet from './tiptap-tweet-type'
+import { find } from 'linkifyjs'
 import { uniq } from 'lodash'
 
+/** get first url in text. like "notion.so " -> "http://notion.so"; "notion" -> null */
+export function getUrl(text: string) {
+  const results = find(text, 'url')
+  return results.length ? results[0].href : null
+}
+
 export function parseTags(text: string) {
   const regex = /(?:^|\s)(?:[#][a-z0-9_]+)/gi
   const matches = (text.match(regex) || []).map((match) =>
diff --git a/web/components/editor.tsx b/web/components/editor.tsx
index bb947579..745fc3c5 100644
--- a/web/components/editor.tsx
+++ b/web/components/editor.tsx
@@ -2,6 +2,7 @@ import CharacterCount from '@tiptap/extension-character-count'
 import Placeholder from '@tiptap/extension-placeholder'
 import {
   useEditor,
+  BubbleMenu,
   EditorContent,
   JSONContent,
   Content,
@@ -24,13 +25,19 @@ import Iframe from 'common/util/tiptap-iframe'
 import TiptapTweet from './editor/tiptap-tweet'
 import { EmbedModal } from './editor/embed-modal'
 import {
+  CheckIcon,
   CodeIcon,
   PhotographIcon,
   PresentationChartLineIcon,
+  TrashIcon,
 } from '@heroicons/react/solid'
 import { MarketModal } from './editor/market-modal'
 import { insertContent } from './editor/utils'
 import { Tooltip } from './tooltip'
+import BoldIcon from 'web/lib/icons/bold-icon'
+import ItalicIcon from 'web/lib/icons/italic-icon'
+import LinkIcon from 'web/lib/icons/link-icon'
+import { getUrl } from 'common/util/parse'
 
 const DisplayImage = Image.configure({
   HTMLAttributes: {
@@ -141,6 +148,66 @@ function isValidIframe(text: string) {
   return /^<iframe.*<\/iframe>$/.test(text)
 }
 
+function FloatingMenu(props: { editor: Editor | null }) {
+  const { editor } = props
+
+  const [url, setUrl] = useState<string | null>(null)
+
+  if (!editor) return null
+
+  // current selection
+  const isBold = editor.isActive('bold')
+  const isItalic = editor.isActive('italic')
+  const isLink = editor.isActive('link')
+
+  const setLink = () => {
+    const href = url && getUrl(url)
+    if (href) {
+      editor.chain().focus().extendMarkRange('link').setLink({ href }).run()
+    }
+  }
+
+  const unsetLink = () => editor.chain().focus().unsetLink().run()
+
+  return (
+    <BubbleMenu
+      editor={editor}
+      className="flex gap-2 rounded-sm bg-slate-700 p-1 text-white"
+    >
+      {url === null ? (
+        <>
+          <button onClick={() => editor.chain().focus().toggleBold().run()}>
+            <BoldIcon className={clsx('h-5', isBold && 'text-indigo-200')} />
+          </button>
+          <button onClick={() => editor.chain().focus().toggleItalic().run()}>
+            <ItalicIcon
+              className={clsx('h-5', isItalic && 'text-indigo-200')}
+            />
+          </button>
+          <button onClick={() => (isLink ? unsetLink() : setUrl(''))}>
+            <LinkIcon className={clsx('h-5', isLink && 'text-indigo-200')} />
+          </button>
+        </>
+      ) : (
+        <>
+          <input
+            type="text"
+            className="h-5 border-0 bg-inherit text-sm !shadow-none !ring-0"
+            placeholder="Type or paste a link"
+            onChange={(e) => setUrl(e.target.value)}
+          />
+          <button onClick={() => (setLink(), setUrl(null))}>
+            <CheckIcon className="h-5 w-5" />
+          </button>
+          <button onClick={() => (unsetLink(), setUrl(null))}>
+            <TrashIcon className="h-5 w-5" />
+          </button>
+        </>
+      )}
+    </BubbleMenu>
+  )
+}
+
 export function TextEditor(props: {
   editor: Editor | null
   upload: ReturnType<typeof useUploadMutation>
@@ -155,6 +222,7 @@ export function TextEditor(props: {
       {/* hide placeholder when focused */}
       <div className="relative w-full [&:focus-within_p.is-empty]:before:content-none">
         <div className="rounded-lg border border-gray-300 bg-white shadow-sm focus-within:border-indigo-500 focus-within:ring-1 focus-within:ring-indigo-500">
+          <FloatingMenu editor={editor} />
           <EditorContent editor={editor} />
           {/* Toolbar, with buttons for images and embeds */}
           <div className="flex h-9 items-center gap-5 pl-4 pr-1">
diff --git a/web/lib/icons/bold-icon.tsx b/web/lib/icons/bold-icon.tsx
new file mode 100644
index 00000000..f4fec497
--- /dev/null
+++ b/web/lib/icons/bold-icon.tsx
@@ -0,0 +1,20 @@
+// from Feather: https://feathericons.com/
+export default function BoldIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="24"
+      height="24"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      stroke-width="2"
+      stroke-linecap="round"
+      stroke-linejoin="round"
+      {...props}
+    >
+      <path d="M6 4h8a4 4 0 0 1 4 4 4 4 0 0 1-4 4H6z"></path>
+      <path d="M6 12h9a4 4 0 0 1 4 4 4 4 0 0 1-4 4H6z"></path>
+    </svg>
+  )
+}
diff --git a/web/lib/icons/italic-icon.tsx b/web/lib/icons/italic-icon.tsx
new file mode 100644
index 00000000..d412ed77
--- /dev/null
+++ b/web/lib/icons/italic-icon.tsx
@@ -0,0 +1,21 @@
+// from Feather: https://feathericons.com/
+export default function ItalicIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="24"
+      height="24"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      stroke-width="2"
+      stroke-linecap="round"
+      stroke-linejoin="round"
+      {...props}
+    >
+      <line x1="19" y1="4" x2="10" y2="4"></line>
+      <line x1="14" y1="20" x2="5" y2="20"></line>
+      <line x1="15" y1="4" x2="9" y2="20"></line>
+    </svg>
+  )
+}
diff --git a/web/lib/icons/link-icon.tsx b/web/lib/icons/link-icon.tsx
new file mode 100644
index 00000000..6323344c
--- /dev/null
+++ b/web/lib/icons/link-icon.tsx
@@ -0,0 +1,20 @@
+// from Feather: https://feathericons.com/
+export default function LinkIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="24"
+      height="24"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      stroke-width="2"
+      stroke-linecap="round"
+      stroke-linejoin="round"
+      {...props}
+    >
+      <path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path>
+      <path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path>
+    </svg>
+  )
+}