Basic popover tab components.

src/components/popover/tab/layer-tab.component.ts

@@ -0,0 +1,28 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+    moduleId: module.id,
+    selector: 'layer-tab',
+    template:
+    `
+        <select>
+            <option> Activate </option>
+            <option> Toggle </option>
+        </select>
+        <span>the</span>
+        <select>
+            <option> Mod </option>
+            <option> Fn </option>
+            <option> Mouse </option>
+        </select>
+        <span>
+        layer by holding this key.
+        </span>
+    `
+})
+export class LayerTabComponent implements OnInit {
+    constructor() { }
+
+    ngOnInit() { }
+
+}