<template>
  <div style="border: 1px solid #ccc">
    <Toolbar style="border-bottom: 1px solid #ccc" :editor="editorRef" :defaultConfig="toolbarConfig" :mode="mode" />
    <Editor style="height: 400px; overflow-y: hidden;" v-model="valueHtml" :defaultConfig="editorConfig" :mode="mode"
      @onCreated="handleCreated"  @onChange="handleChange"/>
  </div>
</template>

<script setup lang="ts">
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

const props = defineProps({
  valueHtml: {
    type: String,
    default: '<p></p>'
  }
})

const mode = ref('mode')
const emits = defineEmits(['htmlChange'])

// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef()

// 内容 HTML
// const valueHtml = ref('<p></p>')

// 模拟 ajax 异步获取内容
// onMounted(() => {
//   setTimeout(() => {
//     valueHtml.value = '<p></p>'
//   }, 1500)
// })

const toolbarConfig = {}
const editorConfig = { placeholder: '请输入内容...' }

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value
  if (editor == null) return
  editor.destroy()
})

const handleCreated = (editor: any) => {
  editorRef.value = editor // 记录 editor 实例，重要！
}

const handleChange = (editor: any) => {
  const html = editor.getHtml()
  emits('htmlChange', html)
}

</script>    