Let caller control whether Login and Feedback menu items are shown

src/components/menu/ByjoveMenu.vue

@@ -1,10 +1,11 @@
 <template>
   <section>
     <nav class="level is-mobile">
-      <div class="level-item">
 
-        <b-dropdown v-if="user"
-                    aria-role="list">
+      <div v-if="user"
+           class="level-item">
+
+        <b-dropdown aria-role="list">
           <button class="button is-primary"
                   :class="{'is-danger': user_is_root}"
                   slot="trigger">
@@ -41,9 +42,11 @@
           </b-dropdown-item>
 
         </b-dropdown>
+      </div>
 
-        <b-button v-if="!user"
-                  type="is-primary"
+      <div v-if="!user && showLoginButton"
+           class="level-item">
+        <b-button type="is-primary"
                   tag="router-link" to="/login">
           <b-icon icon="fas fa-user"></b-icon>
           <span>Login</span>
@@ -51,10 +54,13 @@
       </div>
 
       <div class="level-item">
-        {{ title }}
+        <slot name="header">
+          {{ title }}
+        </slot>
       </div>
 
-      <div class="level-item">
+      <div v-if="shouldShowFeedback"
+           class="level-item">
         <byjove-feedback :url="feedbackUrl"></byjove-feedback>
       </div>
     </nav>
@@ -80,6 +86,18 @@ export default {
             type: String,
             default: '/api/stop-root',
         },
+        showLoginButton: {
+            type: Boolean,
+            default: true,
+        },
+        allowFeedback: {
+            type: Boolean,
+            default: null,
+        },
+        allowAnonymousFeedback: {
+            type: Boolean,
+            default: true,
+        },
     },
     components: {
         ByjoveFeedback,
@@ -98,6 +116,15 @@ export default {
         user_is_root: function() {
             return this.$store.state.user_is_root
         },
+        shouldShowFeedback: function() {
+            if (this.allowFeedback !== null) {
+                return this.allowFeedback
+            }
+            if (!this.allowAnonymousFeedback && !this.user) {
+                return false
+            }
+            return true
+        },
     },
     methods: {
         becomeRoot() {