<template>
  <div>
    <!--<div class="user-info-head" @click="editCropper()">-->
    <!--  <img v-if="img" :src="img" title="点击上传照片" class="imgAvart"/>-->
    <!--  <div v-else class="el-icon-plus"></div>-->
    <!--</div>-->
    <div>
      <el-upload
        class="avatar-uploader"
        action="#"
        accept="image/*"
        :show-file-list="false"
        @click.native.prevent="editCropper()"
      >
        <img v-if="imgSrc" :src="imgSrc" class="avatar">
        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      </el-upload>
    </div>


    <el-dialog :title="title" :visible.sync="dialogImgDispose" width="1000px" append-to-body @opened="modalOpened"
               @close="closeDialog">
      <el-row>
        <el-col :span="14" :style="{height: '350px'}">
          <vue-cropper
            ref="cropper"
            :img="options.img"
            :info="true"
            :autoCrop="options.autoCrop"
            :autoCropWidth="options.autoCropWidth"
            :autoCropHeight="options.autoCropHeight"
            :fixedBox="options.fixedBox"
            @realTime="realTime"
            v-if="visible"
          />
        </el-col>
        <el-col :span="10" :style="{height: '350px'}">
          <div class="img-upload-preview">
            <img :src="previews.url" :style="previews.img"/>
          </div>
        </el-col>
      </el-row>
      <br/>
      <el-row>
        <el-col :lg="2" :md="2">
          <el-upload action="#" :http-request="requestUpload" :show-file-list="false" :before-upload="beforeUpload">
            <el-button size="small">
              选择
              <i class="el-icon-upload el-icon--right"></i>
            </el-button>
          </el-upload>
        </el-col>
        <el-col :lg="{span: 1, offset: 2}" :md="2">
          <el-button icon="el-icon-plus" size="small" @click="changeScale(1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-minus" size="small" @click="changeScale(-1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-left" size="small" @click="rotateLeft()"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-right" size="small" @click="rotateRight()"></el-button>
        </el-col>
        <el-col :lg="{span: 3, offset: 8}" :md="2">
          <el-button type="primary" size="medium" @click="uploadImg()">提 交</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import store from "@/store";
import { VueCropper } from "vue-cropper";
// import { uploadAwardImg } from "@/api/smartSchool/teacherManage/teacherAward";
import { commonUpload } from "@/api/common";

export default {
  components: { VueCropper },
  props: ["imgSrc"],
  data() {
    return {
      img: this.imgSrc,
      // 是否显示弹出层
      dialogImgDispose: false,
      // 是否显示cropper
      visible: false,
      // 弹出层标题
      title: "修改照片",
      options: {
        img: this.imgSrc, //裁剪图片的地址
        autoCrop: true, // 是否默认生成截图框
        autoCropWidth: 300, // 默认生成截图框宽度
        autoCropHeight: 200, // 默认生成截图框高度
        fixedBox: true // 固定截图框大小 不允许改变
      },
      previews: {}
    };
  },
  methods: {
    // 编辑头像
    editCropper() {
      this.dialogImgDispose = true;
    },
    // 打开弹出层结束时的回调
    modalOpened() {
      this.visible = true;
    },
    // 覆盖默认的上传行为
    requestUpload() {
    },
    // 向左旋转
    rotateLeft() {
      this.$refs.cropper.rotateLeft();
    },
    // 向右旋转
    rotateRight() {
      this.$refs.cropper.rotateRight();
    },
    // 图片缩放
    changeScale(num) {
      num = num || 1;
      this.$refs.cropper.changeScale(num);
    },

    // 上传预处理
    beforeUpload(file) {
      if (file.type.indexOf("image/") == -1) {
        this.$modal.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
      } else {
        const reader = new FileReader();
        reader.readAsDataURL(file);
        reader.onload = () => {
          this.options.img = reader.result;
        };
      }
    },

    // 上传图片
    uploadImg() {
      this.$refs.cropper.getCropBlob(data => {
        let formData = new FormData();
        formData.append("file", data);
        commonUpload(formData).then(response => {
          this.$emit('update:imgSrc', process.env.VUE_APP_BASE_API + response.url);
          // this.img = response.url;
          // this.$parent.$parent.$parent.$parent.form.picUrl = this.img
          this.dialogImgDispose = false;
          // this.$modal.msgSuccess("修改成功");
          this.visible = false;
        });
      });

    },
    // 实时预览
    realTime(data) {
      this.previews = data;
    },
    // 关闭窗口
    closeDialog() {
      this.options.img = store.getters.avatar
      this.visible = false;
    }
  }
};
</script>
<style scoped lang="scss">
//.user-info-head {
//  width: 305px;
//  height: 205px;
//  margin: auto;
//  background: #adc0bc;
//  border: 1px solid black;
//}
//
//.el-icon-plus {
//  display: flex;
//  justify-content: center;
//  margin-top: 80px;
//  color: #eee;
//  font-size: 48px;
//  font-style: normal;
//  -webkit-font-smoothing: antialiased;
//  -moz-osx-font-smoothing: grayscale;
//}

//.imgAvart {
//  //border: 3px solid black;
//  width: 300px;
//  height: 200px;
//}

//最终图像预览
.img-upload-preview {
  position: absolute;
  top: 50%;
  transform: translate(25%, -50%);
  width: 300px;
  height: 200px;
  box-shadow: 0 0 4px #ccc;
  overflow: hidden;
}

</style>
<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}

.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
