refactor(#4): add monotonic numbering (in live scene) to created anno…

…tations

add an increasing number to each new annotation created. Now works also in the live scene (for each UUID)

src/AnnotationControl/annotationPanel.js

@@ -103,6 +103,27 @@ export function initAnnotationsPanel(viewer) {
       // ignore rename failures
     }
   }
+
+  function _findLiveAnnotationByUUID(uuid) {
+    if (!uuid || !viewer || !viewer.scene || !viewer.scene.annotations) return null
+    try {
+      const coll =
+        (viewer.scene.annotations.flatten && viewer.scene.annotations.flatten()) ||
+        (viewer.scene.annotations.descendants && viewer.scene.annotations.descendants()) ||
+        viewer.scene.annotations.children || []
+      for (const a of coll) {
+        if (!a) continue
+        if (a.uuid === uuid || (a.data && a.data.uuid === uuid)) return a
+      }
+    } catch (e) {
+      // fallback
+      try {
+        const coll2 = viewer.scene.annotations.children || []
+        for (const a of coll2) if (a && (a.uuid === uuid || (a.data && a.data.uuid === uuid))) return a
+      } catch (e) {}
+    }
+    return null
+  }
   function updateAnnotationsList() {
     // Implementation for listing annotations
     targetContainer.innerHTML = ''
@@ -134,6 +155,18 @@ export function initAnnotationsPanel(viewer) {
           const newName = `Annotation #${idx}`
           _renameJSTreeNode(it.node.id, newName)
           it.node.text = newName
+          // update live annotation object's title/name so in-scene label matches
+          try {
+            const live = _findLiveAnnotationByUUID(it.data.uuid)
+            if (live) {
+              if (typeof live.title !== 'undefined') live.title = newName
+              if (typeof live.name !== 'undefined') live.name = newName
+              // for Potree Annotation object, data.title or similar may be used
+              if (live.data) live.data.title = newName
+            }
+          } catch (e) {
+            // ignore live-update failures
+          }
         }
       }
     } catch (e) {