feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/workflow/fabric-canvas/src/utils/schema-to-form-value.ts

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import {
+  Mode,
+  type FabricObjectSchema,
+  type FabricSchema,
+  type FormMeta,
+} from '../typings';
+
+/**
+ * fabric schema 转 formValue
+ */
+export const schemaToFormValue = ({
+  schema,
+  activeObjectId,
+  formMeta,
+}: {
+  schema: FabricSchema;
+  activeObjectId: string;
+  formMeta: FormMeta;
+}): Partial<FabricObjectSchema> => {
+  let s = schema.objects.find(o => o.customId === activeObjectId);
+
+  // 图片是 Group 复合元素，要把需要的元素取出来
+  if (s?.customType === Mode.IMAGE) {
+    s = {
+      ...s,
+      ...s.objects?.[0],
+      // 描边颜色和粗细从 borderRect 上取
+      stroke: s.objects?.[1].stroke,
+      strokeWidth: s.objects?.[1].strokeWidth,
+    } as unknown as FabricObjectSchema;
+  }
+  const defaultFormValue: Partial<FabricObjectSchema> = {};
+  formMeta?.content.forEach(item => {
+    if (item.name) {
+      defaultFormValue[item.name] =
+        s?.[item.name] ?? item.setterProps?.defaultValue;
+    }
+
+    if ((item.tooltip?.content.length ?? 0) > 0) {
+      item.tooltip?.content.forEach(d => {
+        if (d.name) {
+          defaultFormValue[d.name] = s?.[d.name] ?? d.setterProps?.defaultValue;
+        }
+      });
+    }
+  });
+  return defaultFormValue;
+};