From 2f0b5a9629ff8f40aa0ff7377889b87fe679aa88 Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Wed, 19 Jul 2023 15:14:13 -0600
Subject: [PATCH 01/12] example.json

---
 example.json | 51 ++++++++++++++++++++++++++++++++-------------------
 1 file changed, 32 insertions(+), 19 deletions(-)

diff --git a/example.json b/example.json
index 5162019..834089e 100644
--- a/example.json
+++ b/example.json
@@ -1,24 +1,37 @@
-    // Configuration options must be added and amended for all json files where required
+// Configuration options must be added and amended for all JSON files where required
 
-    // config.json - to disable globally
-    "_homeButton": {
-        "_isEnabled": false
-    }
+// config.json - to disable globally
+"_homeButton": {
+    "_isEnabled": false
+}
 
-    // course.json
+// course.json
+"_extensions": {
     "_homeButton": {
-        "_isEnabled": true,
-        "_hideHomeButton": false,
-        "_comment": "Amend co-00 to match the ID of the start / landing page",
-        "_redirectToId": "co-00",
-        "alt": "Introduction"
+        "_navOrder": 1,
+        "navLabel": "Home",
+        "_navTooltip": {
+            "_isEnabled": false,
+            "text": "Home"
+        }
     }
+}
 
-    // contentObjects.json
-    "_homeButton": {
-        "_isEnabled": true,
-        "_hideHomeButton": false,
-        "_hideBackButton": true,
-        "_redirectToId": "",
-        "alt": "Home"
-    }
+
+// course.json
+"_homeButton": {
+    "_isEnabled": true,
+    "_hideHomeButton": false,
+    "_comment": "Amend co-00 to match the ID of the start / landing page",
+    "_redirectToId": "co-00",
+    "alt": "Introduction"
+}
+
+// contentObjects.json
+"_homeButton": {
+    "_isEnabled": true,
+    "_hideHomeButton": false,
+    "_hideBackButton": true,
+    "_redirectToId": "",
+    "alt": "Home"
+}

From cf4ebb17966a94a08910a3e90c68b7d550256799 Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Thu, 20 Jul 2023 13:39:14 -0600
Subject: [PATCH 02/12] Schema updates - add tooltip, nav button, nav order
 props

---
 properties.schema         | 46 +++++++++++++++++++++++++++++++
 schema/course.schema.json | 57 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)

diff --git a/properties.schema b/properties.schema
index 3de7a03..f94292d 100644
--- a/properties.schema
+++ b/properties.schema
@@ -3,6 +3,52 @@
   "$schema": "http://json-schema.org/draft-04/schema",
   "id": "http://jsonschema.net",
   "required": false,
+  "globals": {
+    "_navOrder": {
+      "type": "number",
+      "required": true,
+      "title": "Navigation bar order",
+      "help": "Determines the order in which the button is displayed in the navigation bar. Negative numbers (e.g. -100) are left-aligned. Positive numbers (e.g. 100) are right-aligned.",
+      "default": 0,
+      "inputType": "Text",
+      "validators": []
+    },
+    "_showLabel": {
+      "type": "boolean",
+      "required": true,
+      "default": true,
+      "title": "Enable navigation bar button label",
+      "inputType": "Checkbox",
+      "validators": [],
+      "help": "Controls whether a label is shown on the navigation bar button."
+    },
+    "navLabel": {
+      "type": "string",
+      "required": true,
+      "default": "Home",
+      "title": "Navigation bar button label",
+      "inputType": "Text",
+      "validators": [],
+      "translatable": true
+    },
+    "_navTooltip": {
+      "type": "object",
+      "title": "Navigation tooltip",
+      "properties": {
+        "_isEnabled": {
+          "type": "boolean",
+          "title": "Enable tooltip for navigation button",
+          "default": true
+        },
+        "text": {
+          "type": "string",
+          "title": "",
+          "default": "Home",
+          "translatable": true
+        }
+      }
+    }
+  },
   "properties": {
     "pluginLocations": {
       "type": "object",
diff --git a/schema/course.schema.json b/schema/course.schema.json
index 6f1176e..791fdba 100644
--- a/schema/course.schema.json
+++ b/schema/course.schema.json
@@ -8,6 +8,63 @@
     },
     "with": {
       "properties": {
+        "_globals": {
+          "type": "object",
+          "default": {},
+          "properties": {
+            "_extensions": {
+              "type": "object",
+              "default": {},
+              "properties": {
+                "_homeButton": {
+                  "type": "object",
+                  "title": "Home Button",
+                  "default": {},
+                  "properties": {
+                    "_navOrder": {
+                      "type": "number",
+                      "title": "Navigation bar order",
+                      "description": "Determines the order in which the button is displayed in the navigation bar. Negative numbers (e.g. -100) are left-aligned. Positive numbers (e.g. 100) are right-aligned.",
+                      "default": 0
+                    },
+                    "_showLabel": {
+                      "type": "boolean",
+                      "title": "Enable navigation bar button label",
+                      "default": true
+                    },
+                    "navLabel": {
+                      "type": "string",
+                      "title": "Navigation bar button label",
+                      "default": "Home",
+                      "_adapt": {
+                        "translatable": true
+                      }
+                    },
+                    "_navTooltip": {
+                      "type": "object",
+                      "title": "Navigation tooltip",
+                      "properties": {
+                        "_isEnabled": {
+                          "type": "boolean",
+                          "title": "Enable tooltip for navigation button",
+                          "default": true
+                        },
+                        "text": {
+                          "type": "string",
+                          "title": "",
+                          "default": "Home",
+                          "_adapt": {
+                            "translatable": true
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        },
         "_homeButton": {
           "type": "object",
           "title": "Home Button",

From f2af96f616e4255519f806e05bc51774ee7654de Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Thu, 20 Jul 2023 13:47:30 -0600
Subject: [PATCH 03/12] Less optimizations for readability

---
 less/homeButton.less | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/less/homeButton.less b/less/homeButton.less
index bf0e341..71e6c2b 100644
--- a/less/homeButton.less
+++ b/less/homeButton.less
@@ -1,20 +1,18 @@
-.nav {
-  // replicate navigation back button float
-  &__homebutton-btn {
-    .u-float-left;
-  }
+.nav__homebutton-btn {
+  // Replicate navigation back button float
+  .u-float-left;
 
-  // hide home button class
-  .hide-nav-home-btn &__homebutton-btn {
+  // Hide home button class
+  .hide-nav-home-btn & {
     .u-display-none;
   }
 
   // Change the home button icon to use the back arrow on the menu
-  .location-menu &__homebutton-btn .icon {
+  .location-menu & .icon {
     .icon-controls-small-left;
   }
 
-  .location-page &__homebutton-btn .icon {
+  .location-page & .icon {
     .icon-home;
   }
 }

From 20b9a80b30f7f8660fda050638207c8e6875c34b Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Thu, 20 Jul 2023 13:49:16 -0600
Subject: [PATCH 04/12] Add JSX template

---
 templates/HomeNavigationButton.jsx | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 templates/HomeNavigationButton.jsx

diff --git a/templates/HomeNavigationButton.jsx b/templates/HomeNavigationButton.jsx
new file mode 100644
index 0000000..5bacda2
--- /dev/null
+++ b/templates/HomeNavigationButton.jsx
@@ -0,0 +1,25 @@
+import React from 'react';
+import { classes, compile } from 'core/js/reactHelpers';
+
+export default function HomeNavigationButton(props) {
+  const {
+    text,
+    _iconClasses
+  } = props;
+  return (
+    <>
+      <span
+        className={classes([
+          'icon',
+          _iconClasses
+        ])}
+        aria-hidden="true"
+      />
+      <span
+        className="nav__btn-label"
+        aria-hidden="true"
+        dangerouslySetInnerHTML={{ __html: compile(text, props) }}
+      />
+    </>
+  );
+}

From d4a206c1a90ef56eecef94e7ddf02e6dd1b98b37 Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Thu, 20 Jul 2023 15:49:07 -0600
Subject: [PATCH 05/12] EOD commit, start setting up nav button, tooltip

---
 example.json                   |  1 -
 js/HomeNavigationButtonView.js | 51 +++++++++++++++++++++++++++
 js/adapt-homeButton.js         | 63 ++++++++++++++++++++++++++--------
 3 files changed, 99 insertions(+), 16 deletions(-)
 create mode 100644 js/HomeNavigationButtonView.js

diff --git a/example.json b/example.json
index 834089e..7d31d5e 100644
--- a/example.json
+++ b/example.json
@@ -17,7 +17,6 @@
     }
 }
 
-
 // course.json
 "_homeButton": {
     "_isEnabled": true,
diff --git a/js/HomeNavigationButtonView.js b/js/HomeNavigationButtonView.js
new file mode 100644
index 0000000..1dadfa9
--- /dev/null
+++ b/js/HomeNavigationButtonView.js
@@ -0,0 +1,51 @@
+import Adapt from 'core/js/adapt';
+import NavigationButtonView from 'core/js/views/NavigationButtonView';
+import tooltips from 'core/js/tooltips';
+
+class HomeNavigationButtonView extends NavigationButtonView {
+
+  initialize(options) {
+    super.initialize(options);
+    this.render();
+
+    tooltips.register({
+      _id: 'HomeButton',
+      ...HomeNavigationButtonView.globalsConfig._navTooltip || {}
+    });
+  }
+
+  static get globalsConfig() {
+    return Adapt.course.get('_globals')?._extensions?._homeButton;
+  }
+
+  static get template() {
+    return 'HomeNavigationButton.jsx';
+  }
+
+  attributes() {
+    const attributes = this.model.toJSON();
+
+    return {
+      name: attributes._id,
+      role: attributes._role === 'button' ? undefined : attributes._role,
+      'data-order': attributes._order,
+      // 'aria-label': Adapt.course.get('_homeButton').navigationAriaLabel,
+      'aria-label': 'TBD',
+      'data-tooltip-id': 'HomeButton'
+    };
+  }
+
+  events() {
+    return {
+      click: 'onClick'
+    };
+  }
+
+  onClick(event) {
+    if (event && event.preventDefault) event.preventDefault();
+    // redirected()
+  }
+
+}
+
+export default HomeNavigationButtonView;
diff --git a/js/adapt-homeButton.js b/js/adapt-homeButton.js
index 0f8ddc6..d9e3c25 100644
--- a/js/adapt-homeButton.js
+++ b/js/adapt-homeButton.js
@@ -3,6 +3,9 @@ import Adapt from 'core/js/adapt';
 import data from 'core/js/data';
 import location from 'core/js/location';
 import router from 'core/js/router';
+import navigation from 'core/js/navigation';
+import NavigationButtonModel from 'core/js/models/NavigationButtonModel';
+import HomeNavigationButtonView from './HomeNavigationButtonView';
 
 class HomeButton extends Backbone.Controller {
 
@@ -13,6 +16,7 @@ class HomeButton extends Backbone.Controller {
   onDataReady() {
     const config = Adapt.config.get('_homeButton');
     if (config?._isEnabled === false) return;
+
     this.$html = $('html');
     this.stopListening();
     this.listenTo(Adapt, {
@@ -26,7 +30,7 @@ class HomeButton extends Backbone.Controller {
     return location._currentModel?.get('_homeButton');
   }
 
-  get courseConfig() {
+  static get courseConfig() {
     return Adapt.course?.get('_homeButton');
   }
 
@@ -43,30 +47,59 @@ class HomeButton extends Backbone.Controller {
 
   enable() {
     const currentModelConfig = this.currentModelConfig;
-    const courseConfig = this.courseConfig;
+    // const courseConfig = HomeButton.courseConfig;
     this.$html.toggleClass('hide-nav-home-btn', Boolean(currentModelConfig?._hideHomeButton));
     // extend functionality to toggle back button display
     this.$html.toggleClass('hide-nav-back-btn', Boolean(currentModelConfig?._hideBackButton));
-    const altText = (currentModelConfig?.alt || courseConfig?.alt || '');
-    const $backButton = $('button[data-event="backButton"]');
-    const $icon = $('<div>', { class: 'icon', 'aria-hidden': true });
-    const $homeButton = $('<button>', {
-      attr: {
-        'data-event': currentModelConfig?._redirectToId ? 'redirectedHomeButton' : 'homeButton'
-      },
-      class: 'btn-icon nav__btn nav__homebutton-btn js-nav-home-btn',
-      'aria-label': altText,
-      role: 'link'
-    }).append($icon);
-    // insert immediately after back button (so that tab order is correct)
-    $homeButton.insertAfter($backButton);
+
+    this.setupNavigationButton();
+    // const altText = (currentModelConfig?.alt || courseConfig?.alt || '');
+    // const $backButton = $('button[data-event="backButton"]');
+    // const $icon = $('<div>', { class: 'icon', 'aria-hidden': true });
+    // const $homeButton = $('<button>', {
+    //   attr: {
+    //     'data-event': currentModelConfig?._redirectToId ? 'redirectedHomeButton' : 'homeButton'
+    //   },
+    //   class: 'btn-icon nav__btn nav__homebutton-btn js-nav-home-btn',
+    //   'aria-label': altText,
+    //   role: 'link'
+    // }).append($icon);
+    // // insert immediately after back button (so that tab order is correct)
+    // $homeButton.insertAfter($backButton);
+  }
+
+  setupNavigationButton() {
+    // const currentModelConfig = this.currentModelConfig;
+    const courseConfig = HomeButton.courseConfig;
+    if (!courseConfig?._isEnabled) return;
+
+    const {
+      _navOrder = 0,
+      _showLabel = true,
+      navLabel = ''
+    } = HomeButton.courseConfig ?? {};
+
+    const model = new NavigationButtonModel({
+      _id: 'HomeButton',
+      _order: _navOrder,
+      _showLabel,
+      _classes: 'btn-icon nav__btn nav__homebutton-btn',
+      _iconClasses: '',
+      _role: 'button',
+      text: navLabel
+      // ,redirected: this.redirected.bind(this)
+    });
+
+    navigation.addButton(new HomeNavigationButtonView({ model }));
   }
 
   redirected() {
     const redirectToId = this.currentModelConfig?._redirectToId;
     if (!redirectToId) return;
+
     const model = data.findById(redirectToId);
     if (!model) return;
+
     switch (model.get('_type')) {
       case 'course':
         router.navigateToHomeRoute();

From f6c93336cd63513db9c22c7853f45e03381903e2 Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Mon, 31 Jul 2023 11:10:41 -0600
Subject: [PATCH 06/12] Remove float style from nav__homebutton-btn

---
 less/homeButton.less | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/less/homeButton.less b/less/homeButton.less
index 71e6c2b..0d5e9d9 100644
--- a/less/homeButton.less
+++ b/less/homeButton.less
@@ -1,7 +1,4 @@
 .nav__homebutton-btn {
-  // Replicate navigation back button float
-  .u-float-left;
-
   // Hide home button class
   .hide-nav-home-btn & {
     .u-display-none;

From 16395dc8f696aa78448d6485dbd75268b65838bc Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Mon, 31 Jul 2023 13:48:42 -0600
Subject: [PATCH 07/12] Nav button setup

---
 example.json                   | 27 +++++++++++-----
 js/HomeNavigationButtonView.js | 22 +++++++------
 js/adapt-homeButton.js         | 57 +++++++++++++++++++---------------
 3 files changed, 64 insertions(+), 42 deletions(-)

diff --git a/example.json b/example.json
index 7d31d5e..636533c 100644
--- a/example.json
+++ b/example.json
@@ -1,14 +1,15 @@
 // Configuration options must be added and amended for all JSON files where required
 
-// config.json - to disable globally
+// config.json - Used to disable globally
 "_homeButton": {
     "_isEnabled": false
 }
 
-// course.json
+// course.json - Use for global settings and navigation order
 "_extensions": {
     "_homeButton": {
         "_navOrder": 1,
+        "_showLabel": true,
         "navLabel": "Home",
         "_navTooltip": {
             "_isEnabled": false,
@@ -17,20 +18,32 @@
     }
 }
 
-// course.json
+// course.json - Use to configure at the menu level
 "_homeButton": {
     "_isEnabled": true,
     "_hideHomeButton": false,
-    "_comment": "Amend co-00 to match the ID of the start / landing page",
+    "_comment": "Amend _redirectToId to match the ID of the start / landing page",
     "_redirectToId": "co-00",
-    "alt": "Introduction"
+    "alt": "Introduction",
+    "_comment": "Option to override navigation button label and tooltip",
+    "navLabel": "Introduction",
+    "_navTooltip": {
+        "_isEnabled": true,
+        "text": "Introduction"
+    }
 }
 
-// contentObjects.json
+// contentObjects.json - Use to configure at the content object level
 "_homeButton": {
     "_isEnabled": true,
     "_hideHomeButton": false,
     "_hideBackButton": true,
     "_redirectToId": "",
-    "alt": "Home"
+    "alt": "Home",
+    "_comment": "Option to override navigation button label and tooltip",
+    "navLabel": "Home",
+    "_navTooltip": {
+        "_isEnabled": true,
+        "text": "Home"
+    }
 }
diff --git a/js/HomeNavigationButtonView.js b/js/HomeNavigationButtonView.js
index 1dadfa9..2ca4fe7 100644
--- a/js/HomeNavigationButtonView.js
+++ b/js/HomeNavigationButtonView.js
@@ -6,11 +6,14 @@ class HomeNavigationButtonView extends NavigationButtonView {
 
   initialize(options) {
     super.initialize(options);
+    this.setUpEventListeners();
     this.render();
 
+    const attributes = this.model.toJSON();
+
     tooltips.register({
       _id: 'HomeButton',
-      ...HomeNavigationButtonView.globalsConfig._navTooltip || {}
+      _navTooltip: attributes._navTooltip
     });
   }
 
@@ -29,21 +32,20 @@ class HomeNavigationButtonView extends NavigationButtonView {
       name: attributes._id,
       role: attributes._role === 'button' ? undefined : attributes._role,
       'data-order': attributes._order,
-      // 'aria-label': Adapt.course.get('_homeButton').navigationAriaLabel,
-      'aria-label': 'TBD',
+      'aria-label': attributes.navigationAriaLabel,
+      'data-event': attributes._dataEvent,
       'data-tooltip-id': 'HomeButton'
     };
   }
 
-  events() {
-    return {
-      click: 'onClick'
-    };
+  setUpEventListeners() {
+    this.listenTo(Adapt, {
+      remove: this.remove
+    });
   }
 
-  onClick(event) {
-    if (event && event.preventDefault) event.preventDefault();
-    // redirected()
+  remove() {
+    super.remove();
   }
 
 }
diff --git a/js/adapt-homeButton.js b/js/adapt-homeButton.js
index d9e3c25..e7cd546 100644
--- a/js/adapt-homeButton.js
+++ b/js/adapt-homeButton.js
@@ -14,6 +14,7 @@ class HomeButton extends Backbone.Controller {
   }
 
   onDataReady() {
+    // Do not render if turned off at config level
     const config = Adapt.config.get('_homeButton');
     if (config?._isEnabled === false) return;
 
@@ -26,6 +27,10 @@ class HomeButton extends Backbone.Controller {
     });
   }
 
+  static get globalsConfig() {
+    return Adapt.course.get('_globals')?._extensions?._homeButton;
+  }
+
   get currentModelConfig() {
     return location._currentModel?.get('_homeButton');
   }
@@ -47,37 +52,37 @@ class HomeButton extends Backbone.Controller {
 
   enable() {
     const currentModelConfig = this.currentModelConfig;
-    // const courseConfig = HomeButton.courseConfig;
+
+    // Update <html> classes
     this.$html.toggleClass('hide-nav-home-btn', Boolean(currentModelConfig?._hideHomeButton));
     // extend functionality to toggle back button display
     this.$html.toggleClass('hide-nav-back-btn', Boolean(currentModelConfig?._hideBackButton));
 
-    this.setupNavigationButton();
-    // const altText = (currentModelConfig?.alt || courseConfig?.alt || '');
-    // const $backButton = $('button[data-event="backButton"]');
-    // const $icon = $('<div>', { class: 'icon', 'aria-hidden': true });
-    // const $homeButton = $('<button>', {
-    //   attr: {
-    //     'data-event': currentModelConfig?._redirectToId ? 'redirectedHomeButton' : 'homeButton'
-    //   },
-    //   class: 'btn-icon nav__btn nav__homebutton-btn js-nav-home-btn',
-    //   'aria-label': altText,
-    //   role: 'link'
-    // }).append($icon);
-    // // insert immediately after back button (so that tab order is correct)
-    // $homeButton.insertAfter($backButton);
+    this.renderNavigationView();
   }
 
-  setupNavigationButton() {
-    // const currentModelConfig = this.currentModelConfig;
-    const courseConfig = HomeButton.courseConfig;
-    if (!courseConfig?._isEnabled) return;
+  renderNavigationView() {
+    const currentModelConfig = this.currentModelConfig;
 
-    const {
+    // Default to global config
+    let {
       _navOrder = 0,
       _showLabel = true,
-      navLabel = ''
-    } = HomeButton.courseConfig ?? {};
+      alt = '',
+      navLabel = '',
+      _navTooltip = {}
+    } = HomeButton.globalsConfig ?? {};
+
+    // Check for overrides on current model
+    if (currentModelConfig.navLabel) {
+      navLabel = currentModelConfig.navLabel;
+    }
+    if (currentModelConfig._navTooltip) {
+      _navTooltip = currentModelConfig._navTooltip;
+    }
+    if (currentModelConfig.alt) {
+      alt = currentModelConfig.navigationAriaLabel;
+    }
 
     const model = new NavigationButtonModel({
       _id: 'HomeButton',
@@ -85,9 +90,11 @@ class HomeButton extends Backbone.Controller {
       _showLabel,
       _classes: 'btn-icon nav__btn nav__homebutton-btn',
       _iconClasses: '',
-      _role: 'button',
-      text: navLabel
-      // ,redirected: this.redirected.bind(this)
+      _role: 'link',
+      text: navLabel,
+      _navTooltip,
+      alt,
+      _dataEvent: currentModelConfig?._redirectToId ? 'redirectedHomeButton' : 'homeButton'
     });
 
     navigation.addButton(new HomeNavigationButtonView({ model }));

From 3405943b99661e46b0b459eb2d344b25d80ac1ba Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Mon, 31 Jul 2023 13:57:15 -0600
Subject: [PATCH 08/12] Fix tooltip data

---
 js/HomeNavigationButtonView.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/js/HomeNavigationButtonView.js b/js/HomeNavigationButtonView.js
index 2ca4fe7..bfaa60b 100644
--- a/js/HomeNavigationButtonView.js
+++ b/js/HomeNavigationButtonView.js
@@ -9,11 +9,9 @@ class HomeNavigationButtonView extends NavigationButtonView {
     this.setUpEventListeners();
     this.render();
 
-    const attributes = this.model.toJSON();
-
     tooltips.register({
       _id: 'HomeButton',
-      _navTooltip: attributes._navTooltip
+      ...this.model.get('_navTooltip') || {}
     });
   }
 

From 236d56ba9c21bc35f6f458c9ace86e4de2eea144 Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Mon, 31 Jul 2023 14:22:24 -0600
Subject: [PATCH 09/12] Fix aria-label/alt text

---
 js/HomeNavigationButtonView.js | 2 +-
 js/adapt-homeButton.js         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/HomeNavigationButtonView.js b/js/HomeNavigationButtonView.js
index bfaa60b..9d72d0f 100644
--- a/js/HomeNavigationButtonView.js
+++ b/js/HomeNavigationButtonView.js
@@ -30,7 +30,7 @@ class HomeNavigationButtonView extends NavigationButtonView {
       name: attributes._id,
       role: attributes._role === 'button' ? undefined : attributes._role,
       'data-order': attributes._order,
-      'aria-label': attributes.navigationAriaLabel,
+      'aria-label': attributes.alt,
       'data-event': attributes._dataEvent,
       'data-tooltip-id': 'HomeButton'
     };
diff --git a/js/adapt-homeButton.js b/js/adapt-homeButton.js
index e7cd546..d726a3a 100644
--- a/js/adapt-homeButton.js
+++ b/js/adapt-homeButton.js
@@ -81,7 +81,7 @@ class HomeButton extends Backbone.Controller {
       _navTooltip = currentModelConfig._navTooltip;
     }
     if (currentModelConfig.alt) {
-      alt = currentModelConfig.navigationAriaLabel;
+      alt = currentModelConfig.alt;
     }
 
     const model = new NavigationButtonModel({

From f0069237849cd4b4b97497ae8197e55bfa6d96e8 Mon Sep 17 00:00:00 2001
From: Brad Simpson <brad.simpson@kineo.com>
Date: Mon, 31 Jul 2023 15:08:19 -0600
Subject: [PATCH 10/12] example.json, change how tooltip override works

---
 example.json           | 18 ++----------------
 js/adapt-homeButton.js |  2 +-
 2 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/example.json b/example.json
index 636533c..31d8178 100644
--- a/example.json
+++ b/example.json
@@ -9,6 +9,7 @@
 "_extensions": {
     "_homeButton": {
         "_navOrder": 1,
+        "alt": "Home",
         "_showLabel": true,
         "navLabel": "Home",
         "_navTooltip": {
@@ -18,7 +19,7 @@
     }
 }
 
-// course.json - Use to configure at the menu level
+// course.json or contentObjects - Use to configure at the menu or content object level
 "_homeButton": {
     "_isEnabled": true,
     "_hideHomeButton": false,
@@ -32,18 +33,3 @@
         "text": "Introduction"
     }
 }
-
-// contentObjects.json - Use to configure at the content object level
-"_homeButton": {
-    "_isEnabled": true,
-    "_hideHomeButton": false,
-    "_hideBackButton": true,
-    "_redirectToId": "",
-    "alt": "Home",
-    "_comment": "Option to override navigation button label and tooltip",
-    "navLabel": "Home",
-    "_navTooltip": {
-        "_isEnabled": true,
-        "text": "Home"
-    }
-}
diff --git a/js/adapt-homeButton.js b/js/adapt-homeButton.js
index d726a3a..7688268 100644
--- a/js/adapt-homeButton.js
+++ b/js/adapt-homeButton.js
@@ -77,7 +77,7 @@ class HomeButton extends Backbone.Controller {
     if (currentModelConfig.navLabel) {
       navLabel = currentModelConfig.navLabel;
     }
-    if (currentModelConfig._navTooltip) {
+    if (currentModelConfig._navTooltip && currentModelConfig._navTooltip.text) {
       _navTooltip = currentModelConfig._navTooltip;
     }
     if (currentModelConfig.alt) {

From 3466fc736468af83c4c3537cab977522fb58a27d Mon Sep 17 00:00:00 2001
From: danielghost <daniel.ghost@kineo.com>
Date: Fri, 4 Aug 2023 12:12:22 +0100
Subject: [PATCH 11/12] Refactor and removal of redundant code handled by super
 Class.

---
 example.json                   | 38 ++++++++++++++++-----------------
 js/HomeNavigationButtonView.js | 39 +++++++++++-----------------------
 js/adapt-homeButton.js         | 29 ++++++-------------------
 schema/course.schema.json      | 10 +--------
 4 files changed, 37 insertions(+), 79 deletions(-)

diff --git a/example.json b/example.json
index 31d8178..eab6e34 100644
--- a/example.json
+++ b/example.json
@@ -2,34 +2,32 @@
 
 // config.json - Used to disable globally
 "_homeButton": {
-    "_isEnabled": false
+  "_isEnabled": false
 }
 
 // course.json - Use for global settings and navigation order
 "_extensions": {
-    "_homeButton": {
-        "_navOrder": 1,
-        "alt": "Home",
-        "_showLabel": true,
-        "navLabel": "Home",
-        "_navTooltip": {
-            "_isEnabled": false,
-            "text": "Home"
-        }
+  "_homeButton": {
+    "_navOrder": -1,
+    "_showLabel": true,
+    "navLabel": "Home",
+    "_navTooltip": {
+      "_isEnabled": false,
+      "text": "Home"
     }
+  }
 }
 
 // course.json or contentObjects - Use to configure at the menu or content object level
 "_homeButton": {
+  "_isEnabled": true,
+  "_hideHomeButton": false,
+  "_comment": "Amend _redirectToId to match the ID of the start / landing page",
+  "_redirectToId": "",
+  "_comment": "Option to override navigation button label and tooltip",
+  "navLabel": "Introduction",
+  "_navTooltip": {
     "_isEnabled": true,
-    "_hideHomeButton": false,
-    "_comment": "Amend _redirectToId to match the ID of the start / landing page",
-    "_redirectToId": "co-00",
-    "alt": "Introduction",
-    "_comment": "Option to override navigation button label and tooltip",
-    "navLabel": "Introduction",
-    "_navTooltip": {
-        "_isEnabled": true,
-        "text": "Introduction"
-    }
+    "text": "Introduction"
+  }
 }
diff --git a/js/HomeNavigationButtonView.js b/js/HomeNavigationButtonView.js
index 9d72d0f..3d7ef02 100644
--- a/js/HomeNavigationButtonView.js
+++ b/js/HomeNavigationButtonView.js
@@ -4,46 +4,31 @@ import tooltips from 'core/js/tooltips';
 
 class HomeNavigationButtonView extends NavigationButtonView {
 
+  attributes() {
+    const attributes = super.attributes();
+    return Object.assign(attributes, {
+      'data-tooltip-id': this.model.get('_id')
+    });
+  }
+
   initialize(options) {
     super.initialize(options);
-    this.setUpEventListeners();
+    this.setupEventListeners();
     this.render();
-
     tooltips.register({
-      _id: 'HomeButton',
+      _id: this.model.get('_id'),
       ...this.model.get('_navTooltip') || {}
     });
   }
 
-  static get globalsConfig() {
-    return Adapt.course.get('_globals')?._extensions?._homeButton;
-  }
-
-  static get template() {
-    return 'HomeNavigationButton.jsx';
-  }
-
-  attributes() {
-    const attributes = this.model.toJSON();
-
-    return {
-      name: attributes._id,
-      role: attributes._role === 'button' ? undefined : attributes._role,
-      'data-order': attributes._order,
-      'aria-label': attributes.alt,
-      'data-event': attributes._dataEvent,
-      'data-tooltip-id': 'HomeButton'
-    };
-  }
-
-  setUpEventListeners() {
+  setupEventListeners() {
     this.listenTo(Adapt, {
       remove: this.remove
     });
   }
 
-  remove() {
-    super.remove();
+  static get template() {
+    return 'HomeNavigationButton.jsx';
   }
 
 }
diff --git a/js/adapt-homeButton.js b/js/adapt-homeButton.js
index 7688268..608dc08 100644
--- a/js/adapt-homeButton.js
+++ b/js/adapt-homeButton.js
@@ -63,40 +63,23 @@ class HomeButton extends Backbone.Controller {
 
   renderNavigationView() {
     const currentModelConfig = this.currentModelConfig;
-
-    // Default to global config
-    let {
-      _navOrder = 0,
+    const {
+      _navOrder = -1,
       _showLabel = true,
-      alt = '',
       navLabel = '',
       _navTooltip = {}
-    } = HomeButton.globalsConfig ?? {};
-
-    // Check for overrides on current model
-    if (currentModelConfig.navLabel) {
-      navLabel = currentModelConfig.navLabel;
-    }
-    if (currentModelConfig._navTooltip && currentModelConfig._navTooltip.text) {
-      _navTooltip = currentModelConfig._navTooltip;
-    }
-    if (currentModelConfig.alt) {
-      alt = currentModelConfig.alt;
-    }
-
+    } = Object.assign(HomeButton.globalsConfig ?? {}, currentModelConfig);
     const model = new NavigationButtonModel({
-      _id: 'HomeButton',
+      _id: 'homebutton',
       _order: _navOrder,
       _showLabel,
       _classes: 'btn-icon nav__btn nav__homebutton-btn',
-      _iconClasses: '',
       _role: 'link',
+      ariaLabel: navLabel,
       text: navLabel,
       _navTooltip,
-      alt,
-      _dataEvent: currentModelConfig?._redirectToId ? 'redirectedHomeButton' : 'homeButton'
+      _event: currentModelConfig?._redirectToId ? 'redirectedHomeButton' : 'homeButton'
     });
-
     navigation.addButton(new HomeNavigationButtonView({ model }));
   }
 
diff --git a/schema/course.schema.json b/schema/course.schema.json
index 791fdba..767c611 100644
--- a/schema/course.schema.json
+++ b/schema/course.schema.json
@@ -25,7 +25,7 @@
                       "type": "number",
                       "title": "Navigation bar order",
                       "description": "Determines the order in which the button is displayed in the navigation bar. Negative numbers (e.g. -100) are left-aligned. Positive numbers (e.g. 100) are right-aligned.",
-                      "default": 0
+                      "default": -1
                     },
                     "_showLabel": {
                       "type": "boolean",
@@ -85,14 +85,6 @@
               "title": "Redirect the home button to id",
               "description": "Enter the Friendly id of the page that the home button should direct the user to (ex. a splash page)",
               "default": ""
-            },
-            "alt": {
-              "type": "string",
-              "title": "Home button alt text - applied globally",
-              "default": "Home",
-              "_adapt": {
-                "translatable": true
-              }
             }
           }
         }

From a70f8889fc2eaa655a22787278cfb9e18b3a6c90 Mon Sep 17 00:00:00 2001
From: danielghost <daniel.ghost@kineo.com>
Date: Wed, 9 Aug 2023 10:48:55 +0100
Subject: [PATCH 12/12] Refactored `attributes()`.

---
 js/HomeNavigationButtonView.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/js/HomeNavigationButtonView.js b/js/HomeNavigationButtonView.js
index 3d7ef02..269ce16 100644
--- a/js/HomeNavigationButtonView.js
+++ b/js/HomeNavigationButtonView.js
@@ -5,10 +5,10 @@ import tooltips from 'core/js/tooltips';
 class HomeNavigationButtonView extends NavigationButtonView {
 
   attributes() {
-    const attributes = super.attributes();
-    return Object.assign(attributes, {
+    return {
+      ...super.attributes(),
       'data-tooltip-id': this.model.get('_id')
-    });
+    };
   }
 
   initialize(options) {