feat: value editor maintains scroll offset after refresh #162

* feat: refresh string value keep scrolltop

* fix code styles

* delete unused code

* feat: Configurable and compatible with keyPath changes

* Fix props name format, use kebab-case

* Unify coding style

---------

Co-authored-by: raojinlin <raojinlin302@gmail.com>

frontend/src/components/content_value/ContentEditor.vue

@@ -22,10 +22,20 @@ const props = defineProps({
         type: Boolean,
         default: false,
     },
+    keyPath: {
+        type: String,
+        default: "",
+    },
+    rememberScroll: {
+        type: Boolean,
+        default: true,
+    }
 })
 
 const emit = defineEmits(['reset', 'input', 'save'])
 
+const scrollTop = ref(0)
+
 const themeVars = useThemeVars()
 /** @type {HTMLElement|null} */
 const editorRef = ref(null)
@@ -88,6 +98,15 @@ onMounted(async () => {
             emit('save')
         })
 
+        if (props.rememberScroll) {
+            editorNode.onDidScrollChange((event) => {
+                // Update scrolltop when scroll height changes, ie. content changes
+                if (!event.scrollHeightChanged) {
+                    scrollTop.value = event.scrollTop
+                }
+            })
+        }
+
         // editorNode.onDidChangeModelLanguageConfiguration(() => {
         //     editorNode?.getAction('editor.action.formatDocument')?.run()
         // })
@@ -102,14 +121,33 @@ onMounted(async () => {
 
 watch(
     () => props.content,
-    async (content) => {
+    async (content, oldContent, onCleanup) => {
         if (editorNode != null) {
             editorNode.setValue(content)
+
+            const disposable = editorNode.onDidLayoutChange(() => {
+                if (props.rememberScroll && scrollTop.value > 0) {
+                    editorNode.setScrollTop(scrollTop.value)
+                }
+            }); 
+
+            onCleanup(() => disposable.dispose())
+
             await nextTick(() => emit('reset', content))
         }
     },
 )
 
+watch(
+    () => props.keyPath,
+    () => {
+        if (editorNode != null) {
+            scrollTop.value = 0
+            editorNode.setScrollTop(0)
+        }
+    }
+)
+
 watch(
     () => readonlyValue.value,
     (readOnly) => {

frontend/src/components/content_value/ContentEntryEditor.vue

@@ -175,6 +175,7 @@ const onSave = () => {
                         :border="true"
                         :content="displayValue"
                         :language="viewLanguage"
+                        :key-path="viewAs.field"
                         class="flex-item-expand"
                         @input="onInput"
                         @reset="onInput"

frontend/src/components/content_value/ContentValueJson.vue

@@ -149,6 +149,7 @@ defineExpose({
                 v-show="!props.loading"
                 :content="displayValue"
                 :loading="props.loading"
+                :key-path="props.keyPath"
                 class="flex-item-expand"
                 language="json"
                 style="height: 100%"

frontend/src/components/content_value/ContentValueString.vue

@@ -204,6 +204,7 @@ defineExpose({
                 :content="displayValue"
                 :language="viewLanguage"
                 :loading="props.loading"
+                :key-path="props.keyPath"
                 class="flex-item-expand"
                 style="height: 100%"
                 @input="onInput"