From e3d757173e6ef4f2efaead312f62498216d751aa Mon Sep 17 00:00:00 2001
From: cjc <431909623@qq.com>
Date: Mon, 13 Jun 2022 17:08:25 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=B8=8A=E4=B8=80=E6=AD=A5?=
 =?UTF-8?q?=E4=B8=8B=E4=B8=80=E6=AD=A5=E7=9A=84bug?=
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---
 src/View/viewContainer.ts | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/View/viewContainer.ts b/src/View/viewContainer.ts
index 540b30e..3771443 100644
--- a/src/View/viewContainer.ts
+++ b/src/View/viewContainer.ts
@@ -28,6 +28,10 @@ export class ViewContainer {
 	private prevModelList: SVModel[];
 	private accumulateLeakModels: SVModel[];
 
+  private preIsFirstDebug: boolean[]; //存储以前的handleUpdate
+  private stackAddress: number //指向preHandleUpdate的栈地址
+  private preCount: number; //点击上一步的次数
+
 	public hasLeak: boolean;
 	public leakAreaY: number;
 	public lastLeakAreaTranslateY: number;
@@ -48,6 +52,9 @@ export class ViewContainer {
 		this.brushSelectedModels = [];
 		this.clickSelectNode = null;
 		this.lastLeakAreaTranslateY = 0;
+    this.preIsFirstDebug = [];
+    this.preCount = 0;
+    this.stackAddress = 0;
 
 		const g6Instance = this.renderer.getG6Instance(),
 			leakAreaHeight = this.engine.viewOptions.leakAreaHeight,
@@ -191,10 +198,21 @@ export class ViewContainer {
       this.setPrevUpdateId([])
 			return;
 		}
-
 		// 判断是否需要进行泄漏区的比较
 		let isDiffLeak = handleUpdate?.isEnterFunction || handleUpdate?.hasTriggerLastStep;
 
+
+    if (!handleUpdate?.hasTriggerLastStep) {
+      this.preCount++;
+    } else {
+      this.preCount--;
+    }
+    //preCount用来判断是否是第一次进入调试，因为刚开始调试后点击下一步再点上一步，后端给回的isFirstDebug = false，因改为true
+    if (this.preCount === 1 || this.preCount === 2) {
+      console.log(this.preCount);
+      
+      handleUpdate.isFirstDebug = true;
+    }  
 		const diffResult = this.reconcile.diff(
 				this.layoutGroupTable,
 				this.prevModelList,