<template>
  <div class="app-container">
    <el-drawer
      v-if="onOpen"
      :visible.sync="onOpen"
      ref="drawer"
      direction="rtl"
      size="60%"
      @close="closeCallBack"
    >
      <template slot="title">
        <div>工程管理 【{{ title }}】</div>
      </template>
      <el-form
        ref="form"
        :model="form"
        :rules="rules"
        v-loading="loading"
        label-width="120px"
        style="padding-right: 35px"
      >
        <div class="mycanvas">
          <div class="canvas" ref="flowCanvas"></div>
          <div class="maskLayer" />
        </div>
        <el-form-item label="所属项目" prop="businessKey">
          <el-select
            v-model="form.businessKey"
            placeholder="请选择所属项目"
            style="width: 100%"
            filterable
            :disabled="disPro"
            @change="projectChage"
          >
            <el-option
              v-for="(item, index) in projectOptions"
              :key="index"
              :label="item.projectName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="发起单位">
          {{ deptName }}
        </el-form-item>
        <el-form-item label="发起人">
          {{ nickName }}
        </el-form-item>
        <el-form-item label="审批事项">
          {{ title }}
        </el-form-item>
        <el-form-item label="审批内容" prop="files">
          <FileUpload
            @input="fileInput"
            :limit="30"
            :fileType="['pdf', 'png', 'jpg', 'jpeg']"
          />
        </el-form-item>
        <el-form-item label="申请说明" prop="remark">
          <el-input
            type="textarea"
            v-model="form.remark"
            placeholder="请输入申请说明"
            rows="5"
          />
        </el-form-item>
        <div style="text-align: center">
          <el-button type="primary" @click="submitForm">提交流程</el-button>
          <el-button @click="doCanel">取 消</el-button>
        </div>
      </el-form>
    </el-drawer>
  </div>
</template>

<script>
import store from "@/store";
import { definitionStart, flowXmlAndNode } from "@/api/flowable/definition";
import { CustomViewer as BpmnViewer } from "@/components/customBpmn";
import { getNextFlowNodeByStart } from "@/api/flowable/todo";

export default {
  components: {},
  props: {
    closeCallBack: {
      type: Function,
    },
  },
  data() {
    return {
      // 抽屉层
      onOpen: false,
      // 遮罩层
      loading: false,
      // 标题
      title: "",
      // 表单参数
      form: {
        businessKey: "",
        projectName: "",
        files: "",
        remark: "",
      },
      // 表单校验
      rules: {
        businessKey: [{ required: true, message: "请选择所属项目", trigger: "blur" }],
        files: [{ required: true, message: "请上传申请内容", trigger: "blur" }],
        remark: [
          { required: false, message: "请输入申请说明", trigger: "blur" },
          {
            max: 500,
            message: "申请说明最多输入500字",
            trigger: "blur",
          },
        ],
      },
      projectOptions: null,
      deptName: null,
      nickName: null,
      disPro: false,
      bpmnViewer: null,
      options: {},
      taskTitle: null,
      taskOpen: false,
      daterangeMarksTime: [],
    };
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {},
  beforeDestroy() {},
  methods: {
    // 查询和我相关的项目信息
    initMyProject() {
      // 获取项目列表的接口
      this.$api.publics.getMyProjectList({}).then((response) => {
        this.projectOptions = response.rows;
        if (response.rows.length == 0) {
          this.$message.error("未查询到和您关联项目，请联系子公司或管理员...");
        } else if (response.rows.length == 1) {
          // 这里只有一个项目，默认选中并只读
          this.form.businessKey = response.rows[0].id;
          this.form.projectName = response.rows[0].projectName;
        }
      });
    },
    // 项目选择
    projectChage(val) {
      let projectName = "";
      this.projectOptions.forEach((item) => {
        if ((item.id = val)) {
          projectName = item.projectName;
          return;
        }
      });
      this.form.projectName = projectName;
    },
    doCanel() {
      this.onOpen = false;
    },
    show(options) {
      this.options = options;
      this.initMyProject();
      this.title = options.name;
      this.deptName = store.getters.dept.deptName;
      this.nickName = store.getters.name;
      const self = this;
      this.onOpen = true;
      flowXmlAndNode({ deployId: options.deploymentId }).then((res) => {
        this.initFlowImage(res.data.xmlData);
      });
    },
    async initFlowImage(data) {
      try {
        self.bpmnViewer = new BpmnViewer({
          container: this.$refs.flowCanvas,
          height: "150px",
        });
        await self.bpmnViewer.importXML(data);
        // 自适应
        self.bpmnViewer.get("canvas").zoom("fit-viewport", "auto");
      } catch (err) {
        console.error(err.message, err.warnings);
      }
    },
    fileInput(files) {
      let fileUrls = "";
      if (files.length > 0) {
        fileUrls = "";
        files.forEach((item) => {
          fileUrls += "," + item.url;
        });
        fileUrls = fileUrls.substring(1);
      }
      this.form.files = fileUrls;
    },
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          this.loading = true;
          definitionStart(this.options.id, JSON.stringify(this.form)).then((res) => {
            this.$modal.msgSuccess(res.msg);
            this.loading = false;
            //关闭并刷新列表
            this.$refs.drawer.closeDrawer();
          });
        }
      });
    },
  },
};
</script>
<style>
.bjs-powered-by {
  display: none !important;
}
.maskLayer {
  width: 100%;
  height: 150px;
  position: absolute;
  z-index: 9999;
  top: 66px;
}
</style>
