<template>
  <div class="app-container">
    <el-form :process="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="流程名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入流程名称"
          clearable
          size="small"
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="流程分类" prop="category">
        <el-select v-model="queryParams.category" placeholder="请选择流程分类" clearable size="small">
          <el-option
            v-for="dict in categoryOptions"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh-right" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <div class="top-right-btn">
        <el-tooltip class="item" effect="dark" content="刷新" placement="top">
          <el-button size="mini" circle icon="el-icon-refresh" @click="handleQuery"/>
        </el-tooltip>
        <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top">
          <el-button size="mini" circle icon="el-icon-search" @click="showSearch=!showSearch"/>
        </el-tooltip>
      </div>
    </el-row>

    <el-table v-loading="loading" :data="processList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="流程id" align="center" prop="processonDefinitionId"/>
      <el-table-column label="流程名称" align="center" prop="name" :show-overflow-tooltip="true"/>
      <el-table-column label="流程分类" align="center" prop="category" :formatter="categoryFormat"/>
      <el-table-column label="流程标签" align="center" prop="key" :show-overflow-tooltip="true"/>
      <el-table-column label="版本号" align="center" prop="version"/>
      <el-table-column label="状态" align="center" prop="suspend">
        <template slot-scope="scope">
          <el-tag
            :type="scope.row.suspend ? 'danger' : ''"
            effect="dark">
            {{scope.row.suspend ? '挂起' : '活动'}}
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column label="部署时间" align="center" prop="deploymentTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.deploymentTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-picture"
            @click="handleImg(scope.row)"
            v-hasPerm="['process_img']"
          >流程图
          </el-button>
          <el-button
            v-if="scope.row.suspend"
            size="mini"
            type="text"
            icon="el-icon-video-play"
            @click="handleChangeStatus(scope.row, 'active')"
            v-hasPerm="['process_change']"
          >激活
          </el-button>
          <el-button
            v-if="!scope.row.suspend"
            size="mini"
            type="text"
            icon="el-icon-video-pause"
            @click="handleChangeStatus(scope.row, 'suspend')"
            v-hasPerm="['process_change']"
          >挂起
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDel(scope.row)"
            v-hasPerm="['process_del']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.current"
      :limit.sync="queryParams.size"
      @pagination="getList"
    />

    <!-- 流程图对话框 -->
    <el-dialog title="流程图" :visible.sync="showImgDialog">
      <img :src="imgUrl" style="padding-bottom: 60px;">
    </el-dialog>

  </div>
</template>

<script>
  import {listProcess, getProcess, changeStatus, delProcess} from "@/api/activiti/process";

  export default {
    name: "Process",
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 总条数
        total: 0,
        // 流程表格数据
        processList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 是否显示流程图
        showImgDialog: false,
        //流程图url
        imgUrl: '',
        // 流程分类数据字典
        categoryOptions: [],
        // 查询流程
        queryParams: {
          current: 1,
          size: 10,
          name: undefined,
          category: undefined,
          key: undefined
        },
        // 显示搜索条件
        showSearch: true,
        // 表单流程
        form: {},
        // 表单校验
        rules: {
        }
      };
    },
    created() {
      this.getList();
      this.getDicts("model_category").then(response => {
        this.categoryOptions = response.data;
      });
    },
    methods: {
      /** 查询流程列表 */
      getList() {
        this.loading = true;
        listProcess(this.queryParams).then(response => {
            this.processList = response.data;
            this.total = response.total;
            this.loading = false;
          }
        );
      },
      // 流程分类字典翻译
      categoryFormat(row, column) {
        return this.selectDictLabel(this.categoryOptions, row.category);
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.current = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.deploymentId)
        this.single = selection.length != 1
        this.multiple = !selection.length
      },
      /** 流程图按钮操作 */
      handleImg(row) {
        this.imgUrl = process.env.VUE_APP_BASE_API + `/activiti/process/resource?procInsId=` + row.deploymentId + '&procDefId=' + row.processonDefinitionId + '&resType=image',
        this.showImgDialog = true
      },
      /** 改变状态按钮操作 */
      handleChangeStatus(row, status) {
        this.$confirm('确认要改变流程："' + row.name + '"的状态吗?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function () {
          return changeStatus(row.processonDefinitionId, status);
        }).then(() => {
          this.getList();
          this.msgSuccess("操作成功");
        }).catch(function () {
        });
      },
      /** 删除按钮操作 */
      handleDel(row) {
        const ids = row.deploymentId;
        this.$confirm('确认要删除流程编号为"' + ids + '"的数据项吗?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function () {
          return delProcess(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function () {
        });
      }
    }
  };
</script>
