restructure ui for users

scm-ui/src/components/Checkbox.js

@@ -2,13 +2,15 @@
 import React from "react";
 
 type Props = {
-  label: string,
+  label?: string,
   checked: boolean,
-  onChange: boolean => void
+  onChange?: boolean => void
 };
 class Checkbox extends React.Component<Props> {
   onCheckboxChange = (event: SyntheticInputEvent<HTMLInputElement>) => {
-    this.props.onChange(event.target.checked);
+    if (this.props.onChange) {
+      this.props.onChange(event.target.checked);
+    }
   };
 
   render() {

scm-ui/src/components/SecondaryNavigation/NavAction.js

@@ -0,0 +1,20 @@
+//@flow
+import React from "react";
+
+type Props = {
+  label: string,
+  action: () => void
+};
+
+class NavAction extends React.Component<Props> {
+  render() {
+    const { label, action } = this.props;
+    return (
+      <li>
+        <a onClick={action}>{label}</a>
+      </li>
+    );
+  }
+}
+
+export default NavAction;

scm-ui/src/components/SecondaryNavigation/NavLink.js

@@ -0,0 +1,37 @@
+//@flow
+import * as React from "react";
+import { Route, Link } from "react-router-dom";
+
+// TODO mostly copy of PrimaryNavigationLink
+
+type Props = {
+  to: string,
+  label: string,
+  activeOnlyWhenExact?: boolean
+};
+
+class NavLink extends React.Component<Props> {
+  static defaultProps = {
+    activeOnlyWhenExact: true
+  };
+
+  renderLink = (route: any) => {
+    const { to, label } = this.props;
+    return (
+      <li>
+        <Link className={route.match ? "is-active" : ""} to={to}>
+          {label}
+        </Link>
+      </li>
+    );
+  };
+
+  render() {
+    const { to, activeOnlyWhenExact } = this.props;
+    return (
+      <Route path={to} exact={activeOnlyWhenExact} children={this.renderLink} />
+    );
+  }
+}
+
+export default NavLink;

scm-ui/src/components/SecondaryNavigation/Navigation.js

@@ -0,0 +1,14 @@
+//@flow
+import * as React from "react";
+
+type Props = {
+  children?: React.Node
+};
+
+class Navigation extends React.Component<Props> {
+  render() {
+    return <aside className="menu">{this.props.children}</aside>;
+  }
+}
+
+export default Navigation;

scm-ui/src/components/SecondaryNavigation/Section.js

@@ -0,0 +1,21 @@
+//@flow
+import * as React from "react";
+
+type Props = {
+  label: string,
+  children?: React.Node
+};
+
+class Section extends React.Component<Props> {
+  render() {
+    const { label, children } = this.props;
+    return (
+      <div>
+        <p className="menu-label">{label}</p>
+        <ul className="menu-list">{children}</ul>
+      </div>
+    );
+  }
+}
+
+export default Section;

scm-ui/src/components/SecondaryNavigation/index.js

@@ -0,0 +1,4 @@
+export { default as Navigation } from "./Navigation";
+export { default as Section } from "./Section";
+export { default as NavLink } from "./NavLink";
+export { default as NavAction } from "./NavAction";