From 00667ef0808c0d524b2bca3c5792401e677445dc Mon Sep 17 00:00:00 2001
From: Yang Qi <60582494+YangQi007@users.noreply.github.com>
Date: Fri, 27 Sep 2024 17:50:58 -0600
Subject: [PATCH 1/3] Updated the home page

---
 home_page.js     | 12 ++++++++++++
 lib/iobio-charts |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/home_page.js b/home_page.js
index d37e921..48afa79 100644
--- a/home_page.js
+++ b/home_page.js
@@ -166,6 +166,8 @@ class HomePage extends HTMLElement {
         this.attachShadow({ mode: 'open' });
         this.shadowRoot.appendChild(homePageTemplate.content.cloneNode(true));
         this.initDOMElements();
+
+        this.currentAlignmentUrl = null;
     }
 
     initDOMElements() {
@@ -229,6 +231,16 @@ class HomePage extends HTMLElement {
 
     // Navigate to the main content page with the URLs
     navigateToMainContent(url1, url2) {
+        if (url1 !== this.currentAlignmentUrl) {
+            this.currentAlignmentUrl = url1;
+            this.dispatchEvent(new CustomEvent('alignment-data-request', 
+                { 
+                    bubbles: true, 
+                    composed: true 
+                }
+            ));
+        }
+
         const queryParams = new URLSearchParams({
             'alignment-url': url1,
         });
diff --git a/lib/iobio-charts b/lib/iobio-charts
index 50c7a64..f95e051 160000
--- a/lib/iobio-charts
+++ b/lib/iobio-charts
@@ -1 +1 @@
-Subproject commit 50c7a648d5f27e7f61034b689f10121203d1ebc2
+Subproject commit f95e051bb590ce414014e15ca6b72af585b3178c

From f2ac87380489faa87c3d730c430110c4f6c2c86b Mon Sep 17 00:00:00 2001
From: Yang Qi <60582494+YangQi007@users.noreply.github.com>
Date: Tue, 1 Oct 2024 11:39:10 -0600
Subject: [PATCH 2/3] Renamed the event

---
 home_page.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/home_page.js b/home_page.js
index 48afa79..b849b08 100644
--- a/home_page.js
+++ b/home_page.js
@@ -233,7 +233,7 @@ class HomePage extends HTMLElement {
     navigateToMainContent(url1, url2) {
         if (url1 !== this.currentAlignmentUrl) {
             this.currentAlignmentUrl = url1;
-            this.dispatchEvent(new CustomEvent('alignment-data-request', 
+            this.dispatchEvent(new CustomEvent('toggle-loading-indicator-bamview', 
                 { 
                     bubbles: true, 
                     composed: true 

From ace3cd705282a6184c11b9dc7bd1f5cfeb9af122 Mon Sep 17 00:00:00 2001
From: Yang Qi <60582494+YangQi007@users.noreply.github.com>
Date: Tue, 1 Oct 2024 23:22:22 -0600
Subject: [PATCH 3/3] Created reset func in data broker

---
 home_page.js | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/home_page.js b/home_page.js
index b849b08..77bc4b6 100644
--- a/home_page.js
+++ b/home_page.js
@@ -1,4 +1,4 @@
-import { commonCss } from './lib/iobio-charts/common.js';
+import { commonCss, getDataBroker } from './lib/iobio-charts/common.js';
 import { navigateTo } from './router.js';
 import { URLInputModal } from './url_input_modal.js';
 import { LocalFileInputModal } from './local_file_input_modal.js'; 
@@ -180,6 +180,8 @@ class HomePage extends HTMLElement {
     }
 
     connectedCallback() {
+        this.broker = getDataBroker(this);
+
         this.localFileButton.addEventListener('click', () => this.localFileInputModal.showModal());
         // Handle the custom event from the local-file-input-modal
         this.localFileInputModal.addEventListener('local-file-loaded', async (event) => this.handleLocalFileLoaded(event));
@@ -233,12 +235,8 @@ class HomePage extends HTMLElement {
     navigateToMainContent(url1, url2) {
         if (url1 !== this.currentAlignmentUrl) {
             this.currentAlignmentUrl = url1;
-            this.dispatchEvent(new CustomEvent('toggle-loading-indicator-bamview', 
-                { 
-                    bubbles: true, 
-                    composed: true 
-                }
-            ));
+            // reset the state
+            this.broker.reset();
         }
 
         const queryParams = new URLSearchParams({