From 79cef251911d2506d0295443b8c0900a1439b5fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=8A=B2=E9=B9=8F?= <jingpeng.wang@outlook.com>
Date: Thu, 3 Aug 2023 19:03:00 +0800
Subject: [PATCH] js: add list scroll to item demo

---
 doric-demo/src/ListDragDemo.ts | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/doric-demo/src/ListDragDemo.ts b/doric-demo/src/ListDragDemo.ts
index 0f3a24d0..a6c76894 100644
--- a/doric-demo/src/ListDragDemo.ts
+++ b/doric-demo/src/ListDragDemo.ts
@@ -1,4 +1,4 @@
-import { Panel, Group, layoutConfig, Color, stack, list, listItem, text, loge } from "doric"
+import { Panel, Group, layoutConfig, Color, stack, list, listItem, text, loge, List } from "doric"
 import { colors } from "./utils"
 
 @Entry
@@ -6,6 +6,8 @@ class ListDragDemo extends Panel {
 
     private data = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
 
+    private list?: List
+
     build(root: Group) {
         function insertAt(array: Array<any>, index: number, ...elements: Array<any>) {
             array.splice(index, 0, ...elements);
@@ -13,7 +15,7 @@ class ListDragDemo extends Panel {
 
         stack(
             [
-                list({
+                this.list = list({
                     itemCount: this.data.length,
                     renderItem: (idx) => {
                         return listItem(text({
@@ -54,5 +56,12 @@ class ListDragDemo extends Panel {
                 layoutConfig: layoutConfig().most()
             }
         ).in(root)
+
+        setTimeout(() => {
+            this.list!.scrollToItem(this.context, 3, {
+                animated: true,
+                topOffset: 0
+            })
+        }, 3000)
     }
 }
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