From be99c73c8859352b2ee132b7b072fef9e9062c38 Mon Sep 17 00:00:00 2001
From: Adam Brin <abrin@getty.edu>
Date: Wed, 3 Apr 2024 11:34:54 -0700
Subject: [PATCH] expose partOf

---
 .../src/components/AtlasCanvas/AtlasCanvas.tsx         | 10 ++++++++--
 packages/canvas-panel/src/helpers/eventbus.ts          |  9 ++++++++-
 .../canvas-panel/src/hooks/use-generic-atlas-props.ts  |  3 ++-
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/packages/canvas-panel/src/components/AtlasCanvas/AtlasCanvas.tsx b/packages/canvas-panel/src/components/AtlasCanvas/AtlasCanvas.tsx
index 2197ca3..13cb403 100644
--- a/packages/canvas-panel/src/components/AtlasCanvas/AtlasCanvas.tsx
+++ b/packages/canvas-panel/src/components/AtlasCanvas/AtlasCanvas.tsx
@@ -125,8 +125,14 @@ export function AtlasCanvas({
             })) as any[],
             label: (ref as any).label,
           };
-          choiceEventChannel.emit('onChoiceChange', { choice });
-
+          choiceEventChannel.emit('onChoiceChange', {
+            choice,
+            partOf: {
+              canvasId: canvas.id,
+              choiceId: body.id,
+              manifestId: manifest?.id,
+            },
+          });
         }
       }
       // this returns 1 choice
diff --git a/packages/canvas-panel/src/helpers/eventbus.ts b/packages/canvas-panel/src/helpers/eventbus.ts
index 78e7905..ea67297 100644
--- a/packages/canvas-panel/src/helpers/eventbus.ts
+++ b/packages/canvas-panel/src/helpers/eventbus.ts
@@ -30,7 +30,14 @@ export const choiceEventChannel = eventbus<{
    * @param payload - the id and options for the choice
    *
    */
-  onChoiceChange: (payload: { choice?: ChoiceDescription }) => void;
+  onChoiceChange: (payload: {
+    choice?: ChoiceDescription;
+    partOf?: {
+      choiceId?: string;
+      canvasId?: string;
+      manifestId?: string;
+    };
+  }) => void;
   /**
    * When a canvas is changed, or a sequence is changed, this signals that
    * the current set of choices should be reset
diff --git a/packages/canvas-panel/src/hooks/use-generic-atlas-props.ts b/packages/canvas-panel/src/hooks/use-generic-atlas-props.ts
index 034ef40..a45e4b0 100644
--- a/packages/canvas-panel/src/hooks/use-generic-atlas-props.ts
+++ b/packages/canvas-panel/src/hooks/use-generic-atlas-props.ts
@@ -155,7 +155,7 @@ export function useGenericAtlasProps<T = Record<never, never>>(props: GenericAtl
       seenChoices.current = {};
     });
 
-    const onChoiceChange = (payload: { choice?: ChoiceDescription }) => {
+    const onChoiceChange = (payload: { choice?: ChoiceDescription, partOf?: any }) => {
       const choice = payload.choice;
       // sort the choices by ID in order to help with de-duping
       if (webComponent?.current && choice && choice.items) {
@@ -181,6 +181,7 @@ export function useGenericAtlasProps<T = Record<never, never>>(props: GenericAtl
         (seenChoices.current as any)[key] = value;
         // move this outside the IF if we want to fire on every page
 
+        (choice as any).partOf = payload.partOf;
         webComponent.current.dispatchEvent(new CustomEvent('choice', { detail: { choice } }));
       }
     };