pc-component-v5/packages/info/src/DocGeneratorGrid.vue

<template>
  <div class="flex-container-1">
    <div class="flex-content-1 table-fix-head">
      <table
        class="fixed-table table-striped table-bordered"
        :width="tableWidth"
        height="40px"
      >
        <thead>
          <tr height="40px">
            <th
              width="50px"
              class="fixed-cell"
            >
              <input
                autocomplete="off"
                :checked="allSelected"
                type="checkbox"
                @click="selectAll($event)"
              />
            </th>

            <th
              v-for="infoGridField in infoGridFields"
              v-show="infoGridField.isShow"
              :key="infoGridField.fieldName"
              :width="infoGridField.width + 'px'"
              @dragover="ondragover($event, infoGridField)"
              @click="onSort(infoGridField)"
            >
              <div
                :id="'infoGridFieldId_' + infoGridField.fieldName"
                class="rz-handle"
                draggable="true"
                @dragstart="ondragstart($event, infoGridField)"
                @drag="ondrag($event, infoGridField)"
                @dragend="ondragend($event, infoGridField)"
              />

              <div class="td-max">
                {{ infoGridField.name }}
              </div>
            </th>
          </tr>
        </thead>
        <tbody>
          <tr
            v-for="rowData in dataList"
            :key="rowData.id"
            height="40px"
          >
            <td class="fixed-cell">
              <input
                v-model="rowData.checked"
                autocomplete="off"
                type="checkbox"
                :value="rowData.id"
              />
            </td>
            <td
              v-for="infoGridField in infoGridFields"
              :key="infoGridField.fieldName + '_' + rowData.id"
            >
              <input
                v-if="infoGridField.simpleDisplayType == 'TextEditor'"
                autocomplete="off"
                type="text"
                class="form-control"
                :value="getDisplayValue(rowData, infoGridField)"
                @keyup="valueChange($event, rowData, infoGridField)"
              />
              <input
                v-if="infoGridField.simpleDisplayType == 'NumberEditor'"
                autocomplete="off"
                type="number"
                class="form-control"
                :value="getDisplayValue(rowData,infoGridField)"
                @keyup="valueChange($event, rowData, infoGridField)"
              />
              <span v-if="infoGridField.simpleDisplayType == null || infoGridField.simpleDisplayType == '' || infoGridField.simpleDisplayType == 'NONE'">
                {{ rowData.data[infoGridField.fieldName] == undefined ? "" : rowData.data[infoGridField.fieldName].displayValue[0] }}
              </span>
            </td>
          </tr>
        </tbody>
      </table>
    </div>

    <div
      class="flex-footer-1"
      style="margin-top: 10px;"
    >
      <div class="pull-left">
        <span>
          第
          {{ (pagination.current_page-1)*pagination.per_page+1 }}
          -
          {{ pagination.current_page*pagination.per_page }}
          条,共计
          {{ pagination.total }}
          条,每页
        </span>
        <PageSizeSelect @page-size-changed="gridSizeSelect" />

        <span>条</span>
      </div>
      <div class="pull-right">
        <Pagination
          :pagination="pagination"
          :callback="refreshSearch"
        />
      </div>
    </div>
  </div>
</template>

<script>
import Common from '../../common/Common.js';
import InfoUtil from './InfoUtil.js';
import Pagination from '../../vue-bootstrap-pagination/src/vue-bootstrap-pagination.vue';
import PageSizeSelect from '../../page-size-select/src/PageSizeSelect.vue';

export default {

  components: {
    Pagination,
    PageSizeSelect,
  },

  
  props: {
    // 查询窗口编号
    infoWindowNo : {
      type: String,
      default: null,
    },
    // 表格字段
    infoGridFields: {
      type: Array,
      default: null,
    },
    // 渲染的数据
    infoWindowData: {
      type: Object,
      default: null,
    },
    // 方法：根据id判断数据是否被选中
    isSelectedById: {
      type: Function,
      default: null,
    },
  },

  emits: ['selectChanged', 'refreshSearch'],

  data: function () {
    return {
      dataList: [],
      pagination: {
        total: 0,
        per_page: Common.pageSize,    // required
        current_page: 1, // required
        last_page: 10,    // required
      },
      sortStyle: '',
      sortClause: '',
    };
  },

  computed: {
    /**
         * 自动计算表格的宽度
         * @author YangZhiJie 20210909
         */
    tableWidth: function () {
      var totalWidth = 50;
      if (this.infoGridFields !== undefined) {
        this.infoGridFields.forEach(function (infoGridField) {
          if (infoGridField.width !== undefined
                        && infoGridField.width !== null
                        && infoGridField.width !== '') {
            totalWidth += Number(infoGridField.width);
          }
        });
      }
      return totalWidth + 'px';
    },

    /**
         * 是否选择了全部的数据
         * @author YangZhiJie 20210909
         */
    allSelected: function () {
      var _self = this;
      if (this.dataList === undefined || this.dataList === null || this.dataList.length == 0) {
        return false;
      }

      for (let index = 0, length = this.dataList.length; index < length; index++) {
        if (this.dataList[index].checked === false) {
          return false;
        }
      }

      return true;
    },
  },

  watch: {

    infoWindowData: function (newValue, oldValue) {
      this.setDataList(newValue);
    },

    dataList: {
      handler: function(newValue, oldValue){
        // 清除延迟执行
        if(this.selectChangedTimeout !== undefined && this.selectChangedTimeout !== null){
          window.clearTimeout(this.selectChangedTimeout);
        }
    
        // 设置延迟执行
        this.selectChangedTimeout = setTimeout(()=>{
          console.log('selectChanged');
          this.$emit('selectChanged', this.dataList);
        }, 500);
      },
      deep: true,
    },
  },

  methods: {
    /**
         * 重新设置分页
         * 供外部组件调用
         * @author YangZhiJie 20210909
         */
    resetPagination: function () {
      this.pagination.current_page = 1;
      this.pagination.last_page = 10;
      this.pagination.total = 0;
    },

    /**
         * 设置分页
         * @author YangZhiJie 20210909
         */
    setPagination: function (total, lastPage) {
      this.pagination.last_page = lastPage;
      this.pagination.total = total;
    },

    /**
         * 获取查询参数
         * 供外部组件调用
         * @author YangZhiJie 20210909
         */
    getQueryParam: function () {
      return {
        infoWindowNo: this.infoWindowNo,
        start: (this.pagination.current_page - 1) * this.pagination.per_page,
        length: this.pagination.per_page,
        sortClause: this.sortClause,
      };
    },

    /**
         * 页码数量改变
         * @author YangZhiJie 20210909
         */
    gridSizeSelect: function (newPageSize) {
      this.pagination.per_page = newPageSize;
      this.pagination.current_page = 1;
    },

    /**
         * 列开始拖动
         * @author YangZhiJie 20210909
         */
    ondragstart: function (event, gridFieldItem) {
      var _self = this;
      _self.startX = event.pageX;
      _self.startWidth = Number(gridFieldItem.width);
      event.dataTransfer.setDragImage(event.target, 0, 20);
      event.dataTransfer.effectAllowed = 'move';
    },

    /**
         * 列拖动
         * @author YangZhiJie 20210909
         */
    ondrag: function (event, gridFieldItem) {
      var _self = this;
      gridFieldItem.width = _self.startWidth + (event.pageX - _self.startX);
    },


    /**
         * 列结束拖动
         * @author YangZhiJie 20210909
         */
    ondragend: function (event, gridFieldItem, index) {
      var _self = this;

      let newWidth = _self.startWidth + (event.pageX - _self.startX);
      if (newWidth < 50) {
        newWidth = 50;
      }
      gridFieldItem.width = newWidth;

      //gridFieldItem.width = gridFieldItemClone.width;
      InfoUtil.saveInfoGridFields(_self.infoWindowDto.no, _self.infoGridFields);
            
    },

    ondragover: function (event, gridFieldItem) {
      event.preventDefault();
      event.dataTransfer.dropEffect = 'move';
    },

    /**
         * 排序
         * @author YangZhiJie 20210909
         */
    onSort: function (infoGridField) {
      var _self = this;
      var fieldName = null;
      if (infoGridField.sortFieldName != undefined && infoGridField.sortFieldName != '') {
        fieldName = infoGridField.sortFieldName;
      } else {
        fieldName = infoGridField.fieldName;
      }
      _self.sortClause = fieldName + _self.sortStyle;

      this.$emit('refreshSearch');

      _self.sortStyle = ((_self.sortStyle === ' ASC') ? ' DESC' : ' ASC');
    },

    /**
         * 发送查询请求
         * @author YangZhiJie 20210909
         */
    refreshSearch: function(){
      this.$emit('refreshSearch');
    },

    /**
         * 冻结表头
         * @author YangZhiJie 20210909
         */
    fixedTableHeader: function () {
      let _self = this;
      _self.$nextTick(function () {
        var $th = $('.table-fix-head').find('thead');
        var $fixedCell = $('.table-fix-head').find('.fixed-cell');
        $('.table-fix-head').on('scroll', function () {
          $th.css('transform', 'translateY(' + this.scrollTop + 'px)');
          $fixedCell.css('transform', 'translateX(' + this.scrollLeft + 'px)');
        });
      });
    },


    /**
         * 表格中填写的值发生了改变
         * @author YangZhiJie 20210909
         */
    valueChange: function (event, rowData, infoGridField) {
      var _self = this;
      var value = event.target.value;
      const fieldName = infoGridField.fieldName;
      if (rowData.data[fieldName] == undefined) {
        var tempFieldValue = {
          displayValue: [value],
        };
        rowData.data[fieldName]=tempFieldValue;
      } else {
        rowData.data[fieldName].displayValue[0]=value;
      }
      rowData.checked = true;
    },

    /**
         * 获取显示的值
         * @author YangZhiJie 20210909
         */
    getDisplayValue(rowData, infoGridField) {
      let fieldValue = rowData.data[infoGridField.fieldName];
      if (fieldValue === undefined || fieldValue === null) {
        return '';
      } else {
        return fieldValue.displayValue[0];
      }
    },


    /**
         * 选择所有/取消选择的数据
         * @author YangZhiJie 20210909
         */
    selectAll: function (event) {
      var isChecked = event.currentTarget.checked;

      if (this.dataList === undefined || this.dataList === null || this.dataList.length == 0) {
        return;
      }

      for (let index = 0, length = this.dataList.length; index < length; index++) {
        this.dataList[index].checked = isChecked;
      }
    },

    /**
         * 设置dataList数据
         * @author YangZhiJie 20210908
         */
    setDataList: function (dataList) {
      let _self = this;
      if (dataList === null || dataList === undefined) {
        this.dataList.splice(0, this.dataList.length);
        return;
      }
      if (!Array.isArray(dataList)) {
        console.error('参数异常，参数不是数组类型。');
        console.error(dataList);
        return;
      }

      const tempDataList = JSON.parse(JSON.stringify(dataList));
      for (let index = 0, length = tempDataList.length; index < length; index++) {
        if(this.isSelectedById != null){
          tempDataList[index].checked = this.isSelectedById(tempDataList[index].id);
        }else{
          tempDataList[index].checked = false;
        }
      }

      this.dataList = tempDataList;

      this.$nextTick(function(){
        _self.fixedTableHeader();
      });
    },
  },
};
</script>

<style scoped>
.flex-container-1 {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: calc(100% - 10px);
}

.flex-content-1 {
    flex: 1;
    overflow: auto;
    width: 100%;
    margin-top: 5px;
}

.flex-footer-1 {
    height: 35px;
    /*放大缩小比例为0 */
    flex: 0 0 35px;
}
</style>


<style scoped>
.fixed-table {
    table-layout: fixed;
}

table.fixed-table th {
    position: relative;
    min-width: 10px;
}

table.fixed-table tr td:first-child,
table.fixed-table tr th:first-child {
    text-align: center;
}

table.fixed-table th,
table.fixed-table td {
    text-align: left;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    padding: 0.1em;
    border-right: 1px solid rgba(0, 0, 0, 0.05);
    background-color: white;
}

table.fixed-table th .rz-handle {
    width: 10px;
    height: 100%;
    position: absolute;
    top: 0;
    right: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.05) 2px,
        rgba(0, 0, 0, 0.05) 4px
    );
    cursor: ew-resize !important;
}

table.fixed-table th .rz-handle.rz-handle-active {
    border-right: 2px solid #000;
    transform: scaleX(100);
    background: rgba(0, 0, 0, 0.05) 2px;
}

.rz-handle:hover {
    background: rgba(0, 0, 0, 0.2) 4px;
}
</style>