From 7eeb51cd33b8765fd09e3cdab76988144cc181d5 Mon Sep 17 00:00:00 2001
From: "mario.gk" <mario.gk@alibaba-inc.com>
Date: Mon, 20 Jul 2020 11:53:37 +0800
Subject: [PATCH] feat: support subtreeModified

---
 .../src/document/node/node-children.ts         | 18 ++++++++++++++++++
 packages/designer/src/document/node/node.ts    |  8 ++++++++
 .../src/bundle/upgrade-metadata.ts             |  5 +----
 3 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index 1553a54f3..aeb306a9b 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -79,6 +79,10 @@ export class NodeChildren {
     return this.size > 0;
   }
 
+  @computed length() {
+    return this.children.length;
+  }
+
   /**
    * 删除一个节点
    */
@@ -94,6 +98,7 @@ export class NodeChildren {
       deleted.purge();
     }
     this.emitter.emit('change');
+    this.reportModified(node, this.owner, {type: 'remove', removeIndex: i, removeNode: node});
     return false;
   }
 
@@ -290,4 +295,17 @@ export class NodeChildren {
     // 保证向前兼容性
     return "Array";
   }
+
+  private reportModified(node: Node, owner: Node, options = {}) {
+    if (!node) { return; }
+    if (node.isRoot()) { return; }
+    const callbacks = owner.componentMeta.getMetadata().experimental?.callbacks;
+    if (callbacks?.onSubtreeModified) {
+      callbacks?.onSubtreeModified.call(node, owner, options);
+    }
+
+    if (owner.parent && !owner.parent.isRoot()) {
+      this.reportModified(node, owner.parent, options); 
+    }
+  }
 }
diff --git a/packages/designer/src/document/node/node.ts b/packages/designer/src/document/node/node.ts
index 8152afab0..e2673169b 100644
--- a/packages/designer/src/document/node/node.ts
+++ b/packages/designer/src/document/node/node.ts
@@ -631,6 +631,14 @@ export class Node<Schema extends NodeSchema = NodeSchema> {
     this._slots.push(slotNode);
   }
 
+  /**
+   * 删除一个节点
+   * @param node 
+   */
+  removeChild(node: Node) {
+    this.children?.delete(node);
+  }
+
   private purged = false;
   /**
    * 是否已销毁
diff --git a/packages/editor-preset-vision/src/bundle/upgrade-metadata.ts b/packages/editor-preset-vision/src/bundle/upgrade-metadata.ts
index 0db24f0b5..788203075 100644
--- a/packages/editor-preset-vision/src/bundle/upgrade-metadata.ts
+++ b/packages/editor-preset-vision/src/bundle/upgrade-metadata.ts
@@ -749,10 +749,7 @@ export function upgradeMetadata(oldConfig: OldPrototypeConfig) {
     callbacks.onNodeRemove = didDropOut;
   }
   if (subtreeModified) {
-    callbacks.onSubtreeModified = (...args: any[]) => {
-      // FIXME! args not correct
-      subtreeModified.apply(args[0], args as any);
-    };
+    callbacks.onSubtreeModified = subtreeModified;
   }
   if (onResize) {
     callbacks.onResize = (e: any, currentNode: any) => {