From 2f91ea7199b17f04818713cf1cc30710d6a0cc96 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=A1=97=E8=A7=92=E5=B0=8F=E6=9E=97?= <1013335014@qq.com>
Date: Wed, 13 Mar 2024 15:31:50 +0800
Subject: [PATCH] =?UTF-8?q?Feat=EF=BC=9A=E5=A2=9E=E5=8A=A0beforeShortcutRu?=
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---
 simple-mind-map/src/constants/defaultOptions.js | 5 ++++-
 simple-mind-map/src/core/command/KeyCommand.js  | 7 ++++++-
 web/src/pages/Edit/components/Edit.vue          | 7 +++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/simple-mind-map/src/constants/defaultOptions.js b/simple-mind-map/src/constants/defaultOptions.js
index e192b262..da96e73f 100644
--- a/simple-mind-map/src/constants/defaultOptions.js
+++ b/simple-mind-map/src/constants/defaultOptions.js
@@ -288,5 +288,8 @@ export const defaultOpt = {
       data: 1.当type=createOrUpdate时，代表被创建或被更新的节点数据，即将同步到其他客户端，所以你可以修改该数据；2.当type=delete时，代表被删除的节点数据
     }
   */
-  beforeCooperateUpdate: null
+  beforeCooperateUpdate: null,
+  // 快捷键操作即将执行前的生命周期函数，返回true可以阻止操作执行
+  // 函数接收两个参数：key（快捷键）、activeNodeList（当前激活的节点列表）
+  beforeShortcutRun: null
 }
diff --git a/simple-mind-map/src/core/command/KeyCommand.js b/simple-mind-map/src/core/command/KeyCommand.js
index 8474e84b..95e4440d 100644
--- a/simple-mind-map/src/core/command/KeyCommand.js
+++ b/simple-mind-map/src/core/command/KeyCommand.js
@@ -67,9 +67,10 @@ export default class KeyCommand {
 
   // 按键事件
   onKeydown(e) {
+    const { enableShortcutOnlyWhenMouseInSvg, beforeShortcutRun } = this.mindMap.opt
     if (
       this.isPause ||
-      (this.mindMap.opt.enableShortcutOnlyWhenMouseInSvg && !this.isInSvg)
+      (enableShortcutOnlyWhenMouseInSvg && !this.isInSvg)
     ) {
       return
     }
@@ -80,6 +81,10 @@ export default class KeyCommand {
           e.stopPropagation()
           e.preventDefault()
         }
+        if (typeof beforeShortcutRun === 'function') {
+          const isStop = beforeShortcutRun(key, [...this.mindMap.renderer.activeNodeList])
+          if (isStop) return
+        }
         this.shortcutMap[key].forEach(fn => {
           fn()
         })
diff --git a/web/src/pages/Edit/components/Edit.vue b/web/src/pages/Edit/components/Edit.vue
index 89a3abef..70d49932 100644
--- a/web/src/pages/Edit/components/Edit.vue
+++ b/web/src/pages/Edit/components/Edit.vue
@@ -349,6 +349,13 @@ export default {
               break
           }
         }
+        // beforeShortcutRun: (key, activeNodeList) => {
+        //   console.log(key, activeNodeList)
+        //   // 阻止删除快捷键行为
+        //   if (key === 'Backspace') {
+        //     return true
+        //   }
+        // }
         // handleNodePasteImg: img => {
         //   console.log(img)
         //   return new Promise(resolve => {