From 595dda11bffacc302d0aeed3598f265c2568543f Mon Sep 17 00:00:00 2001
From: Chi Vinh Le <vinh@wikiwi.io>
Date: Sat, 24 Mar 2018 19:14:06 +0100
Subject: [PATCH] Control pasting, better IE support

---
 .../client/components/rte/RTE.js              | 49 ++++++++++++++++++-
 .../components/rte/factories/createToggle.js  |  1 +
 .../client/components/rte/lib/dom.js          |  2 +
 3 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/plugins/talk-plugin-rich-text/client/components/rte/RTE.js b/plugins/talk-plugin-rich-text/client/components/rte/RTE.js
index 2694c3a26..074809b1d 100644
--- a/plugins/talk-plugin-rich-text/client/components/rte/RTE.js
+++ b/plugins/talk-plugin-rich-text/client/components/rte/RTE.js
@@ -4,8 +4,9 @@ import styles from './RTE.css';
 import cn from 'classnames';
 import ContentEditable from 'react-contenteditable';
 import Toolbar from './components/Toolbar';
-import { insertNewLine } from './lib/dom';
+import { insertNewLine, insertText } from './lib/dom';
 import API from './lib/api';
+import bowser from 'bowser';
 
 class RTE extends React.Component {
   ref = null;
@@ -61,12 +62,53 @@ class RTE extends React.Component {
     return handled;
   };
 
+  handleCut = () => {
+    // IE has issues not firing the onChange event.
+    if (bowser.msie) {
+      setTimeout(this.handleChange);
+    }
+  };
+
+  handlePaste = e => {
+    // Get text representation of clipboard
+    // This works cross browser.
+    const text = (
+      (e.originalEvent || e).clipboardData || window.clipboardData
+    ).getData('Text');
+
+    // insert text manually
+    insertText(text);
+    this.handleChange();
+
+    e.preventDefault();
+    return false;
+  };
+
   handleMouseUp = () => {
     setTimeout(() => this.handleSelectionChange());
   };
 
+  handleKeyDown = () => {
+    // IE has issues not firing the onChange event.
+    if (bowser.msie) {
+      setTimeout(this.handleChange);
+    }
+  };
+
+  handleKeyUp = () => {
+    // IE has issues not firing the onChange event.
+    if (bowser.msie) {
+      setTimeout(this.handleChange);
+    }
+    this.handleSelectionChange();
+  };
+
   handleKeyPress = e => {
     this.handleSelectionChange();
+    // IE has issues not firing the onChange event.
+    if (bowser.msie) {
+      setTimeout(this.handleChange);
+    }
     if (e.key === 'Enter') {
       if (!e.shiftKey && this.handleSpecialEnter()) {
         this.handleChange();
@@ -124,8 +166,11 @@ class RTE extends React.Component {
         <ContentEditable
           id={inputId}
           onMouseUp={this.handleMouseUp}
-          onKeyUp={this.handleSelectionChange}
           onKeyPress={this.handleKeyPress}
+          onKeyDown={this.handleKeyDown}
+          onKeyUp={this.handleKeyUp}
+          onPaste={this.handlePaste}
+          onCut={this.handleCut}
           className={classNames.content}
           ref={this.handleRef}
           html={value}
diff --git a/plugins/talk-plugin-rich-text/client/components/rte/factories/createToggle.js b/plugins/talk-plugin-rich-text/client/components/rte/factories/createToggle.js
index b307ae199..32b702df4 100644
--- a/plugins/talk-plugin-rich-text/client/components/rte/factories/createToggle.js
+++ b/plugins/talk-plugin-rich-text/client/components/rte/factories/createToggle.js
@@ -25,6 +25,7 @@ const createToggle = (
       this.props.api.focus();
       this.formatToggle();
       this.props.api.focus();
+      this.syncState();
     };
 
     syncState = () => {
diff --git a/plugins/talk-plugin-rich-text/client/components/rte/lib/dom.js b/plugins/talk-plugin-rich-text/client/components/rte/lib/dom.js
index e611de234..3531b4333 100644
--- a/plugins/talk-plugin-rich-text/client/components/rte/lib/dom.js
+++ b/plugins/talk-plugin-rich-text/client/components/rte/lib/dom.js
@@ -61,6 +61,8 @@ export function insertText(text) {
   } else {
     const textNode = document.createTextNode(text);
     container.insertBefore(textNode, container.childNodes[offset]);
+    range.setStart(textNode, text.length);
+    range.setEnd(textNode, text.length);
   }
 }