From 82cace944d312bcfb4563a1e14f64b05fc8ba086 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Can=20Y=C4=B1lmaz?=
 <devbariscanyilmaz@gmail.com>
Date: Thu, 13 Apr 2023 18:59:35 +0300
Subject: [PATCH 1/2] detect selectedNode change on tree

---
 .../components/tree/src/lib/components/tree.component.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts b/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts
index 5df8ed5ee0..219e049ce2 100644
--- a/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts
+++ b/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts
@@ -1,4 +1,6 @@
 import {
+  ChangeDetectionStrategy,
+  ChangeDetectorRef,
   Component,
   ContentChild,
   EventEmitter,
@@ -26,6 +28,7 @@ export type DropEvent = NzFormatEmitEvent & { pos: number };
   styleUrls: ['tree.component.scss'],
   encapsulation: ViewEncapsulation.None,
   providers: [SubscriptionService],
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class TreeComponent implements OnInit {
   dropPosition: number;
@@ -38,6 +41,7 @@ export class TreeComponent implements OnInit {
     @Optional()
     @Inject(DISABLE_TREE_STYLE_LOADING_TOKEN)
     private disableTreeStyleLoading: boolean | undefined,
+    private cdr: ChangeDetectorRef,
   ) {}
 
   @ContentChild('menu') menu: TemplateRef<any>;
@@ -116,4 +120,9 @@ export class TreeComponent implements OnInit {
   initDropdown(key: string, dropdown: NgbDropdown) {
     this.dropdowns[key] = dropdown;
   }
+
+  setSelectedNode(node: any) {
+    this.selectedNode = { ...node };
+    this.cdr.markForCheck();
+  }
 }

From 945122f6803392655a63175ec2bc615c494d043a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Can=20Y=C4=B1lmaz?=
 <devbariscanyilmaz@gmail.com>
Date: Fri, 14 Apr 2023 18:07:12 +0300
Subject: [PATCH 2/2] find node with given id

---
 .../tree/src/lib/components/tree.component.ts  | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts b/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts
index 219e049ce2..ccc44cde0b 100644
--- a/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts
+++ b/npm/ng-packs/packages/components/tree/src/lib/components/tree.component.ts
@@ -81,6 +81,21 @@ export class TreeComponent implements OnInit {
     this.subscriptionService.addOne(loaded$);
   }
 
+  private findNode(target: any, nodes: any[]) {
+    for (const node of nodes) {
+      if (node.key === target.id) {
+        return node;
+      }
+      if (node.children) {
+        let res = this.findNode(target, node.children);
+        if (res) {
+          return res;
+        }
+      }
+    }
+    return null;
+  }
+
   onSelectedNodeChange(node: NzTreeNode) {
     this.selectedNode = node.origin.entity;
     if (this.changeCheckboxWithNode) {
@@ -122,7 +137,8 @@ export class TreeComponent implements OnInit {
   }
 
   setSelectedNode(node: any) {
-    this.selectedNode = { ...node };
+    let newSelectedNode = this.findNode(node, this.nodes);
+    this.selectedNode = { ...newSelectedNode };
     this.cdr.markForCheck();
   }
 }