Yay, message sending.

src/molecules/MessageComposer.js

@@ -3,12 +3,22 @@ var React = require('react');
 var MatrixClientPeg = require("../MatrixClientPeg");
 
 module.exports = React.createClass({
+    onKeyDown: function (ev) {
+        if (ev.keyCode == 13) {
+            var contentText = this.refs.textarea.getDOMNode().value;
+            MatrixClientPeg.get().sendMessage(this.props.roomId, {
+                msgtype: 'm.text',
+                body: contentText
+            });
+            this.refs.textarea.getDOMNode().value = '';
+            ev.preventDefault();
+        }
+    },
+
     render: function() {
         return (
             <div className="mx_MessageComposer">
-                <form>
-                    <textarea />
-                </form>
+                <textarea ref="textarea" onKeyDown={this.onKeyDown} />
             </div>
         );
     },

src/organisms/RoomView.js

@@ -8,7 +8,7 @@ var MatrixClientPeg = require("../MatrixClientPeg");
 module.exports = React.createClass({
     getInitialState: function() {
         return {
-            room: MatrixClientPeg.get().getRoom(this.props.room_id)
+            room: MatrixClientPeg.get().getRoom(this.props.roomId)
         }
     },
 
@@ -22,14 +22,14 @@ module.exports = React.createClass({
 
     componentWillReceiveProps: function(props) {
         this.setState({
-            room: MatrixClientPeg.get().getRoom(props.room_id)
+            room: MatrixClientPeg.get().getRoom(props.roomId)
         });
     },
 
     onRoomTimeline: function(ev, room, toStartOfTimeline) {
-        if (room.roomId != this.props.room_id) return;
+        if (room.roomId != this.props.roomId) return;
         this.setState({
-            room: MatrixClientPeg.get().getRoom(this.props.room_id)
+            room: MatrixClientPeg.get().getRoom(this.props.roomId)
         });
     },
 
@@ -48,7 +48,7 @@ module.exports = React.createClass({
                 <ul>
                     {this.getMessageTiles()}
                 </ul>
-                <MessageComposer room={this.state.room} />
+                <MessageComposer roomId={this.props.roomId} />
             </div>
         );
     },

src/pages/MatrixChat.js

@@ -73,7 +73,7 @@ module.exports = React.createClass({
                         <MatrixToolbar />
                         <RoomList selectedRoom={this.state.currentRoom} />
                     </div>
-                    <RoomView room_id={this.state.currentRoom} />
+                    <RoomView roomId={this.state.currentRoom} />
                 </div>
             );
         } else if (this.state.logged_in) {