PLT-327: Add help text for Markdown

web/react/components/docs.jsx

@@ -0,0 +1,41 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+const TextFormatting = require('../utils/text_formatting.jsx');
+const UserStore = require('../stores/user_store.jsx');
+
+export default class Docs extends React.Component {
+    constructor(props) {
+        super(props);
+        UserStore.setCurrentUser(global.window.mm_user || {});
+
+        this.state = {text: ''};
+        const errorState = {text: '## 404'};
+
+        if (props.site) {
+            $.get('/static/help/' + props.site + '.md').then((response) => {
+                this.setState({text: response});
+            }, () => {
+                this.setState(errorState);
+            });
+        } else {
+            this.setState(errorState);
+        }
+    }
+
+    render() {
+        return (
+            <div
+                dangerouslySetInnerHTML={{__html: TextFormatting.formatText(this.state.text)}}
+            >
+            </div>
+        );
+    }
+}
+
+Docs.defaultProps = {
+    site: ''
+};
+Docs.propTypes = {
+    site: React.PropTypes.string
+};

web/react/components/textbox.jsx

@@ -295,6 +295,13 @@ export default class Textbox extends React.Component {
         this.resize();
     }
 
+    showHelp(e) {
+        e.preventDefault();
+        e.target.blur();
+
+        global.window.open('/docs/Messaging');
+    }
+
     render() {
         const previewLinkVisible = this.props.messageText.length > 0;
 
@@ -335,12 +342,18 @@ export default class Textbox extends React.Component {
                     dangerouslySetInnerHTML={{__html: this.state.preview ? TextFormatting.formatText(this.props.messageText) : ''}}
                 >
                 </div>
+                <a
+                    onClick={this.showHelp}
+                    className='textbox-help-link'
+                >
+                    {'Help'}
+                </a>
                 <a
                     style={{visibility: previewLinkVisible ? 'visible' : 'hidden'}}
                     onClick={this.showPreview}
                     className='textbox-preview-link'
                 >
-                    {this.state.preview ? 'Edit message' : 'Preview'}
+                    {this.state.preview ? 'Edit' : 'Preview'}
                 </a>
             </div>
         );