<template>
  <div class="app-container">

    <!-- 搜索工作栏 -->
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="大楼名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入大楼名称" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="父大楼id" prop="parentId">
        <el-input v-model="queryParams.parentId" placeholder="请输入父大楼id" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="大楼状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择大楼状态" clearable size="small">
          <el-option v-for="dict in this.getDictDatas(DICT_TYPE.BUILDING_STATUS)"
                       :key="dict.value" :label="dict.label" :value="dict.value"/>
        </el-select>
      </el-form-item>
      <el-form-item label="楼层id" prop="fid">
        <el-input v-model="queryParams.fid" placeholder="请输入楼层id" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="创建时间" prop="createTime">
        <el-date-picker v-model="queryParams.createTime" style="width: 240px" value-format="yyyy-MM-dd HH:mm:ss" type="daterange"
                        range-separator="-" start-placeholder="开始日期" end-placeholder="结束日期" :default-time="['00:00:00', '23:59:59']" />
      </el-form-item>
      <el-form-item label="方位" prop="direction">
        <el-select v-model="queryParams.direction" placeholder="请选择方位" clearable size="small">
          <el-option v-for="dict in this.getDictDatas(DICT_TYPE.BUILDING_DIRECTION)"
                       :key="dict.value" :label="dict.label" :value="dict.value"/>
        </el-select>
      </el-form-item>
      <el-form-item label="位置图" prop="imgurl">
        <el-input v-model="queryParams.imgurl" placeholder="请输入位置图" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 操作工具栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                   v-hasPermi="['system:building:create']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" :loading="exportLoading"
                   v-hasPermi="['system:building:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <!-- 列表 -->
    <el-table v-loading="loading" :data="list">
      <el-table-column label="大楼id" align="center" prop="id" />
      <el-table-column label="大楼名称" align="center" prop="name" />
      <el-table-column label="父大楼id" align="center" prop="parentId" />
      <el-table-column label="大楼状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :type="DICT_TYPE.BUILDING_STATUS" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="楼层id" align="center" prop="fid" />
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="方位" align="center" prop="direction">
        <template slot-scope="scope">
          <dict-tag :type="DICT_TYPE.BUILDING_DIRECTION" :value="scope.row.direction" />
        </template>
      </el-table-column>
      <el-table-column label="位置图" align="center" prop="imgurl">
        <template slot-scope="scope">
          <img v-if="scope.row.imgurl" :src="scope.row.imgurl" class="location-img" @click="showImagePreview(scope.row.imgurl)" />
        </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-edit" @click="handleUpdate(scope.row)"
                     v-hasPermi="['system:building:update']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                     v-hasPermi="['system:building:delete']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNo" :limit.sync="queryParams.pageSize"
                @pagination="getList"/>

    <!-- 对话框(添加 / 修改) -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="大楼名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入大楼名称" />
        </el-form-item>
        <el-form-item label="父大楼id" prop="parentId">
          <el-input v-model="form.parentId" placeholder="请输入父大楼id" />
        </el-form-item>
        <el-form-item label="大楼状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择大楼状态">
            <el-option v-for="dict in this.getDictDatas(DICT_TYPE.BUILDING_STATUS)"
                       :key="dict.value" :label="dict.label" :value="parseInt(dict.value)" />
          </el-select>
        </el-form-item>
        <el-form-item label="楼层id" prop="fid">
          <el-input v-model="form.fid" placeholder="请输入楼层id" />
        </el-form-item>
        <el-form-item label="方位" prop="direction">
          <el-select v-model="form.direction" placeholder="请选择方位">
            <el-option v-for="dict in this.getDictDatas(DICT_TYPE.BUILDING_DIRECTION)"
                       :key="dict.value" :label="dict.label" :value="dict.value" />
          </el-select>
        </el-form-item>
        <el-form-item label="位置图" prop="imgurl">
          <el-input v-model="form.imgurl" placeholder="请输入位置图" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    
    <!-- 图片预览对话框 -->
    <el-dialog
      title="图片预览"
      :visible.sync="imagePreviewVisible"
      width="80%"
      append-to-body
    >
      <div class="image-preview-container">
        <img :src="previewImageUrl" class="preview-image">
      </div>
    </el-dialog>
  </div>
  
</template>

<script>
import { createBuilding, updateBuilding, deleteBuilding, getBuilding, getBuildingPage, exportBuildingExcel } from "@/api/system/building";
import { DICT_TYPE, getDictDatas } from "@/utils/dict";
import DictTag from "@/components/DictTag";

export default {
  name: "Building",
  components: {
    DictTag
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 楼层导视列表
      list: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNo: 1,
        pageSize: 10,
        name: null,
        parentId: null,
        status: null,
        fid: null,
        createTime: [],
        direction: null,
        imgurl: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [{ required: true, message: "大楼名称不能为空", trigger: "blur" }],
        parentId: [{ required: true, message: "父大楼id不能为空", trigger: "blur" }],
        status: [{ required: true, message: "大楼状态不能为空", trigger: "change" }],
      },
      // 图片预览相关
      imagePreviewVisible: false,
      previewImageUrl: ''
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 显示图片预览 */
    showImagePreview(url) {
      this.previewImageUrl = url;
      this.imagePreviewVisible = true;
    },
    /** 查询列表 */
    getList() {
      this.loading = true;
      // 执行查询
      getBuildingPage(this.queryParams).then(response => {
        console.log(response.data.list);
        this.list = response.data.list;
        this.total = response.data.total;
        this.loading = false;
      });
    },
    /** 取消按钮 */
    cancel() {
      this.open = false;
      this.reset();
    },
    /** 表单重置 */
    reset() {
      this.form = {
        id: undefined,
        name: undefined,
        parentId: undefined,
        status: undefined,
        fid: undefined,
        direction: undefined,
        imgurl: undefined,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNo = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加楼层导视";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id;
      getBuilding(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改楼层导视";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (!valid) {
          return;
        }
        // 修改的提交
        if (this.form.id != null) {
          updateBuilding(this.form).then(response => {
            this.$modal.msgSuccess("修改成功");
            this.open = false;
            this.getList();
          });
          return;
        }
        // 添加的提交
        createBuilding(this.form).then(response => {
          this.$modal.msgSuccess("新增成功");
          this.open = false;
          this.getList();
        });
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const id = row.id;
      this.$modal.confirm('是否确认删除楼层导视编号为"' + id + '"的数据项?').then(function() {
          return deleteBuilding(id);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      // 处理查询参数
      let params = {...this.queryParams};
      params.pageNo = undefined;
      params.pageSize = undefined;
      this.$modal.confirm('是否确认导出所有楼层导视数据项?').then(() => {
          this.exportLoading = true;
          return exportBuildingExcel(params);
        }).then(response => {
          this.$download.excel(response, '楼层导视.xls');
          this.exportLoading = false;
        }).catch(() => {});
    }
  }
};
</script>
 <style scoped>
  /* 位置图样式 */
  .location-img {
    width: 100px;
    height: 80px;
    object-fit: cover;
    cursor: pointer;
    border-radius: 4px;
    border: 1px solid #e6e6e6;
  }
  
  /* 图片预览样式 */
  .image-preview-container {
    text-align: center;
    padding: 20px;
  }
  
  .preview-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
  }
  </style>
