From 13e7ad0b69f21b631792f985746c964f0d318327 Mon Sep 17 00:00:00 2001
From: kangwei <bingbing.yb@alibaba-inc.com>
Date: Thu, 7 Jan 2021 18:07:28 +0800
Subject: [PATCH] feat: enhance-tree modified

---
 packages/designer/src/document/node/node-children.ts |  3 ++-
 packages/designer/src/document/node/node.ts          | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index a1637d3c1..530f4a4d2 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -120,6 +120,7 @@ export class NodeChildren {
    * 删除一个节点
    */
   delete(node: Node, purge = false, useMutator = true): boolean {
+    node.internalPurgeStart();
     if (node.isParental()) {
       foreachReverse(node.children, (subNode: Node) => {
         subNode.remove(useMutator, purge);
@@ -145,7 +146,7 @@ export class NodeChildren {
     document.destroyNode(node);
     this.emitter.emit('change');
     if (useMutator) {
-      this.reportModified(node, this.owner, { type: 'remove', removeIndex: i, removeNode: node });
+      this.reportModified(node, this.owner, { type: 'remove', propagated: false, isSubDeleting: this.owner.inPurging, removeIndex: i, removeNode: node });
     }
     // purge 为 true 时，已在 internalSetParent 中删除了子节点
     if (i > -1 && !purge) {
diff --git a/packages/designer/src/document/node/node.ts b/packages/designer/src/document/node/node.ts
index 7670de90f..b7346f18b 100644
--- a/packages/designer/src/document/node/node.ts
+++ b/packages/designer/src/document/node/node.ts
@@ -773,6 +773,18 @@ export class Node<Schema extends NodeSchema = NodeSchema> {
     // this.document.destroyNode(this);
   }
 
+  private purging: boolean = false;
+  internalPurgeStart() {
+    this.purging = true;
+  }
+
+  /**
+   * 是否已销毁
+   */
+  get inPurging() {
+    return this.purging;
+  }
+
   /**
    * 是否可执行某action
    */