Merge pull request #1247 from matrix-org/luke/fix-rte-offset-bug

Use `data-offset-key` in RTE decorators

src/components/views/elements/Pill.js

@@ -173,11 +173,11 @@ const Pill = React.createClass({
 
         if (this.state.pillType) {
             return this.props.inMessage ?
-                <a className={classes} href={this.props.url} title={resource}>
+                <a className={classes} href={this.props.url} title={resource} data-offset-key={this.props.offsetKey}>
                     {avatar}
                     {linkText}
                 </a> :
-                <span className={classes} title={resource}>
+                <span className={classes} title={resource} data-offset-key={this.props.offsetKey}>
                     {avatar}
                     {linkText}
                 </span>;

src/components/views/rooms/MessageComposerInput.js

@@ -186,16 +186,16 @@ export default class MessageComposerInput extends React.Component {
                 RichText.getScopedMDDecorators(this.props);
         decorators.push({
             strategy: this.findLinkEntities.bind(this),
-            component: (props) => {
+            component: (entityProps) => {
                 const Pill = sdk.getComponent('elements.Pill');
-                const {url} = Entity.get(props.entityKey).getData();
+                const {url} = Entity.get(entityProps.entityKey).getData();
                 if (Pill.isPillUrl(url)) {
-                    return <Pill url={url} room={this.props.room}/>;
+                    return <Pill url={url} room={this.props.room} offsetKey={entityProps.offsetKey}/>;
                 }
 
                 return (
-                    <a href={url}>
-                        {props.children}
+                    <a href={url} data-offset-key={entityProps.offsetKey}>
+                        {entityProps.children}
                     </a>
                 );
             },