From 5393e49a7ad3cfacd0f149f20de7c03b83af8b9e Mon Sep 17 00:00:00 2001
From: wanglin2 <1013335014@qq.com>
Date: Mon, 11 Dec 2023 23:10:34 +0800
Subject: [PATCH] =?UTF-8?q?Fix:=E4=BF=AE=E5=A4=8D=E5=BD=93=E8=8A=82?=
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---
 .../core/render/node/nodeCreateContents.js    |  4 ++--
 simple-mind-map/src/plugins/RichText.js       | 24 ++++++++++++-------
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/simple-mind-map/src/core/render/node/nodeCreateContents.js b/simple-mind-map/src/core/render/node/nodeCreateContents.js
index 78e15d42..1052ea55 100644
--- a/simple-mind-map/src/core/render/node/nodeCreateContents.js
+++ b/simple-mind-map/src/core/render/node/nodeCreateContents.js
@@ -101,8 +101,8 @@ function createRichTextNode() {
       recoverText = true
     }
   }
-  if (recoverText) {
-    let text = this.getData('text')
+  let text = this.getData('text')
+  if (recoverText && !isUndef(text)) {
     // 判断节点内容是否是富文本
     let isRichText = checkIsRichText(text)
     // 样式字符串
diff --git a/simple-mind-map/src/plugins/RichText.js b/simple-mind-map/src/plugins/RichText.js
index ff391fb9..49d37d00 100644
--- a/simple-mind-map/src/plugins/RichText.js
+++ b/simple-mind-map/src/plugins/RichText.js
@@ -238,17 +238,25 @@ class RichText {
         this.textEditNode.style.borderRadius = (node.height || 50) + 'px'
       }
     }
-    if (!node.getData('richText')) {
-      // 还不是富文本的情况
-      let text = ''
-      if (!isUndef(node.getData('text'))) {
-        text = String(node.getData('text')).split(/\n/gim).join('<br>')
-      }
+    // 节点文本内容
+    const nodeText = node.getData('text')
+    // 是否是空文本
+    const isEmptyText = isUndef(nodeText)
+    // 是否是非空的非富文本
+    const noneEmptyNoneRichText = !node.getData('richText') && !isEmptyText
+    // 如果是空文本，那么设置为丢失样式状态，否则输入不会带上样式
+    if (isEmptyText) {
+      this.lostStyle = true
+    }
+    if (noneEmptyNoneRichText) {
+      // 还不是富文本
+      let text = String(nodeText).split(/\n/gim).join('<br>')
       let html = `<p>${text}</p>`
       this.textEditNode.innerHTML = this.cacheEditingText || html
     } else {
+      // 已经是富文本
       this.textEditNode.innerHTML =
-        this.cacheEditingText || node.getData('text')
+        this.cacheEditingText || nodeText
     }
     this.initQuillEditor()
     document.querySelector('.ql-editor').style.minHeight = originHeight + 'px'
@@ -258,7 +266,7 @@ class RichText {
     this.focus(
       isInserting || (selectTextOnEnterEditText && !isFromKeyDown) ? 0 : null
     )
-    if (!node.getData('richText')) {
+    if (noneEmptyNoneRichText) {
       // 如果是非富文本的情况，需要手动应用文本样式
       this.setTextStyleIfNotRichText(node)
     }