<template>
  <div>
    <!-- 图片上传组件辅助-->
    <el-upload
      class="avatar-uploader"
      :action="serverUrl"
      :headers="header"
      :show-file-list="false"
      :on-success="uploadSuccess"
      :on-error="uploadError"
      :before-upload="beforeUpload"
    ></el-upload>

    <quill-editor
      class="editor"
      v-model="content"
      ref="myQuillEditor"
      :options="editorOption"
      @blur="onEditorBlur($event)"
      @focus="onEditorFocus($event)"
      @change="onEditorChange($event)"
    ></quill-editor>
  </div>
</template>
<script>
// 工具栏配置
const toolbarOptions = [
  ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线
  ["blockquote", "code-block"], // 引用  代码块
  [
    {
      header: 1,
    },
    {
      header: 2,
    },
  ], // 1、2 级标题
  [
    {
      list: "ordered",
    },
    {
      list: "bullet",
    },
  ], // 有序、无序列表
  [
    {
      script: "sub",
    },
    {
      script: "super",
    },
  ], // 上标/下标
  [
    {
      indent: "-1",
    },
    {
      indent: "+1",
    },
  ], // 缩进
  // [{‘direction‘: ‘rtl‘}],                         // 文本方向
  [
    {
      size: ["small", false, "large", "huge"],
    },
  ], // 字体大小
  [
    {
      header: [1, 2, 3, 4, 5, 6, false],
    },
  ], // 标题
  [
    {
      color: [],
    },
    {
      background: [],
    },
  ], // 字体颜色、字体背景颜色
  [
    {
      font: [],
    },
  ], // 字体种类
  [
    {
      align: [],
    },
  ], // 对齐方式
  ["clean"], // 清除文本格式
  ["link", "image", "video"], // 链接、图片、视频
];

import { quillEditor } from "vue-quill-editor";
import "quill/dist/quill.core.css";
import "quill/dist/quill.snow.css";
import "quill/dist/quill.bubble.css";
import { getToken } from "@/utils/auth";

export default {
  props: {
    /*编辑器的内容*/
    value: {
      type: String,
    },
    /*图片大小*/
    maxSize: {
      type: Number,
      default: 4000, //kb
    },
  },

  components: {
    quillEditor,
  },

  data() {
    return {
      content: this.value,
      quillUpdateImg: false, // 根据图片上传状态来确定是否显示loading动画，刚开始是false,不显示
      editorOption: {
        placeholder: "",
        theme: "snow", // or ‘bubble‘
        placeholder: "您想说点什么？",
        modules: {
          toolbar: {
            container: toolbarOptions,
            // container: "#toolbar",
            handlers: {
              image: function (value) {
                if (value) {
                  // 触发input框选择图片文件
                  document.querySelector(".avatar-uploader input").click();
                } else {
                  this.quill.format("image", false);
                }
              },
              // link: function(value) {
              //   if (value) {
              //     var href = prompt(‘请输入url‘);
              //     this.quill.format("link", href);
              //   } else {
              //     this.quill.format("link", false);
              //   }
              // },
            },
          },
        },
      },
      // serverUrl: "http://localhost:8080/common/upload", // 这里写你要上传的图片服务器地址
      serverUrl: process.env.VUE_APP_BASE_API + "/common/upload",
      header: {
        // token: sessionStorage.token
        Authorization: "Bearer " + getToken(),
      }, // 有的图片服务器要求请求头需要有token
    };
  },

  created() {
    // this.header = {
    //   Authorization: "Bearer " + getToken(),
    // };
  },
  methods: {
    onEditorBlur() {
      //失去焦点事件
    },
    onEditorFocus() {
      //获得焦点事件
    },
    onEditorChange() {
      //内容改变事件
      this.$emit("input", this.content);
    },

    // 富文本图片上传前
    beforeUpload() {
      // 显示loading动画
      this.quillUpdateImg = true;
    },

    uploadSuccess(res, file) {
      // res为图片服务器返回的数据
      // 获取富文本组件实例
      let quill = this.$refs.myQuillEditor.quill;
      // 如果上传成功
      if (res.code == 200) {
        // 获取光标所在位置
        let length = quill.getSelection().index;
        // 插入图片  res.url为服务器返回的图片地址
        quill.insertEmbed(length, "image", res.url);
        // 调整光标到最后
        quill.setSelection(length + 1);
      } else {
        this.$message.error("图片插入失败");
      }
      // loading动画消失
      this.quillUpdateImg = false;
    },
    // 富文本图片上传失败
    uploadError() {
      // loading动画消失
      this.quillUpdateImg = false;
      this.$message.error("图片插入失败");
    },
  },
  watch: {
    value(newData, oldData) {
      this.content = newData;
    },
  },
};
</script>

<style>
.editor {
  line-height: normal !important;
  height: 800px;
}

.ql-snow .ql-tooltip[data-mode="link"]::before {
  content: "请输入链接地址:";
}

.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
  border-right: 0px;
  content: "保存";
  padding-right: 0px;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
  content: "请输入视频地址:";
}

.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
  content: "14px";
}

.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
  content: "10px";
}

.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
  content: "18px";
}

.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
  content: "32px";
}

.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
  content: "文本";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
  content: "标题1";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
  content: "标题2";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
  content: "标题3";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
  content: "标题4";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
  content: "标题5";
}

.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
  content: "标题6";
}

.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
  content: "标准字体";
}

.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="serif"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="serif"]::before {
  content: "衬线字体";
}

.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="monospace"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="monospace"]::before {
  content: "等宽字体";
}
</style>

<Editor v-model="form.scenicIntroduce" />

import Editor from "@/views/components/editor";