From 35894ecb4012ee98f91d8671407d654f7a0a172a 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, 23 Apr 2025 17:38:56 +0800
Subject: [PATCH] =?UTF-8?q?Feat=EF=BC=9A=E4=BC=98=E5=8C=96=E8=8A=82?=
 =?UTF-8?q?=E7=82=B9=E6=8B=96=E6=8B=BD?=
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---
 simple-mind-map/src/plugins/Drag.js | 41 +++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/simple-mind-map/src/plugins/Drag.js b/simple-mind-map/src/plugins/Drag.js
index 643ca1ef..57215471 100644
--- a/simple-mind-map/src/plugins/Drag.js
+++ b/simple-mind-map/src/plugins/Drag.js
@@ -779,7 +779,7 @@ class Drag extends Base {
       checkList = checkList.reverse()
     }
     let oneFourthHeight = nodeRect.originHeight / 4
-    let { prevBrotherOffset, nextBrotherOffset } =
+    let { prevBrother, prevBrotherOffset, nextBrother, nextBrotherOffset } =
       this.getNodeDistanceToSiblingNode(checkList, node, nodeRect, 'v')
     if (nodeRect.left <= mouseMoveX && nodeRect.right >= mouseMoveX) {
       // 检测兄弟节点位置
@@ -789,6 +789,25 @@ class Drag extends Base {
         !this.nextNode &&
         !node.isRoot
       ) {
+        // 如果不在兄弟节点范围内，那么修改距离值
+        if (prevBrother) {
+          const { scaleY } = this.drawTransform
+          const brotherRect = this.getNodeRect(prevBrother)
+          if (
+            !(brotherRect.left <= mouseMoveX && brotherRect.right >= mouseMoveX)
+          ) {
+            prevBrotherOffset = this.minOffset * scaleY
+          }
+        }
+        if (nextBrother) {
+          const { scaleY } = this.drawTransform
+          const brotherRect = this.getNodeRect(nextBrother)
+          if (
+            !(brotherRect.left <= mouseMoveX && brotherRect.right >= mouseMoveX)
+          ) {
+            nextBrotherOffset = this.minOffset * scaleY
+          }
+        }
         let checkIsPrevNode =
           nextBrotherOffset > 0 // 距离下一个兄弟节点的距离大于0
             ? mouseMoveY > nodeRect.bottom &&
@@ -921,7 +940,7 @@ class Drag extends Base {
     let mouseMoveY = this.mouseMoveY
     let nodeRect = this.getNodeRect(node)
     let oneFourthWidth = nodeRect.originWidth / 4
-    let { prevBrotherOffset, nextBrotherOffset } =
+    let { prevBrother, prevBrotherOffset, nextBrother, nextBrotherOffset } =
       this.getNodeDistanceToSiblingNode(checkList, node, nodeRect, 'h')
     if (nodeRect.top <= mouseMoveY && nodeRect.bottom >= mouseMoveY) {
       // 检测兄弟节点位置
@@ -931,6 +950,24 @@ class Drag extends Base {
         !this.nextNode &&
         !node.isRoot
       ) {
+        if (prevBrother) {
+          const { scaleX } = this.drawTransform
+          const brotherRect = this.getNodeRect(prevBrother)
+          if (
+            !(brotherRect.top <= mouseMoveY && brotherRect.bottom >= mouseMoveY)
+          ) {
+            prevBrotherOffset = this.minOffset * scaleX
+          }
+        }
+        if (nextBrother) {
+          const { scaleX } = this.drawTransform
+          const brotherRect = this.getNodeRect(nextBrother)
+          if (
+            !(brotherRect.top <= mouseMoveY && brotherRect.bottom >= mouseMoveY)
+          ) {
+            nextBrotherOffset = this.minOffset * scaleX
+          }
+        }
         let checkIsPrevNode =
           nextBrotherOffset > 0 // 距离下一个兄弟节点的距离大于0
             ? mouseMoveX < nodeRect.right + nextBrotherOffset &&