<template>
  <div>
    <!-- 图片上传组件辅助-->
    <el-upload
      class="avatar-uploader"
      :action="'https://xxtest.upyuns.com/api/universal/file/app/unauth/admin/upload'"
      :show-file-list="false"
      :headers="getHeaderWithToken"
      :before-upload="beforeUpload"
      :on-success="uploadSuccess">
    </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
    ["link", "image"] // 链接、图片
  ];

  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
      },
      myQuillEditor: {
        type: String
      },
      /*图片大小*/
      maxSize: {
        type: Number,
        default: 4000 //kb
      },
      activeName2:{
        type: String
      }
    },

    components: {
      quillEditor
    },
    computed: {
      getHeaderWithToken() {
        return {Authorization: getToken()};
      },
    },

    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
        quill: undefined,
        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);
                //   }
                // },
              }
            }
          }
        },
        header: {
          // token: sessionStorage.token
        } // 有的图片服务器要求请求头需要有token
      };
    },
    watch: {
      value(value) {
          this.content = value;
      }
    },
    mounted() {
      let tt = this.$refs;
      this.quill = tt[this.myQuillEditor].quill;
      console.log(this.quill);
      console.log(this.activeName2);
    },

    methods: {
      onEditorBlur() {
        //失去焦点事件
      },
      onEditorFocus(e) {
        //获得焦点事件
//        let tt = this.$refs;
//        this.quill = tt[this.myQuillEditor].quill;
//        console.log(this.quill);
      },
      onEditorChange() {
        //内容改变事件
        this.$emit("input", this.content);
      },

      // 富文本图片上传前
      beforeUpload() {
        // 显示loading动画
        this.quillUpdateImg = true;
      },
      uploadSuccess(res, file) {
        console.log(res);
        console.log(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.$refs.myQuillEditor.quill;
        let tt = this.$refs;
        console.log(tt);
        let quill = this.quill;//tt[this.myQuillEditor].quill;
        // 如果上传成功
        if (res.status == 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.data);
          // 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");
      }
    }
  };
</script>

<style>
  .editor {
    line-height: normal !important;
    width: 100%;
  }
  .ql-container {
    height: 400px !important;
  }
  .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>
