Added DropDown.js

scm-ui/src/changesets/components/DropDown.js

@@ -0,0 +1,25 @@
+// @flow
+
+import React from "react";
+
+type Props = {
+  options: string[],
+  optionSelected: string => void
+}
+
+class DropDown extends React.Component<Props> {
+  render() {
+    const {options} = this.props;
+    return <select onChange={this.change}>
+      {options.map(option => {
+        return <option key={option} value={option}>{option}</option>
+      })}
+    </select>
+  }
+
+  change = (event) => {
+    this.props.optionSelected(event.target.value);
+  }
+}
+
+export default DropDown;