#

whycq

2023-10-08 3d775bfea16b5ac26ff0baac10f43b3367b0bf95

 uni_modules/uni-table/components/uni-th/filter-dropdown.vue

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<template>
   <view class="uni-filter-dropdown">
      <view class="dropdown-btn" @click="onDropdown">
         <view class="icon-select" :class="{active: canReset}" v-if="isSelect || isRange"></view>
         <view class="icon-search" :class="{active: canReset}" v-if="isSearch">
            <view class="icon-search-0"></view>
            <view class="icon-search-1"></view>
         </view>
         <view class="icon-calendar" :class="{active: canReset}" v-if="isDate">
            <view class="icon-calendar-0"></view>
            <view class="icon-calendar-1"></view>
         </view>
      </view>
      <view class="uni-dropdown-cover" v-if="isOpened" @click="handleClose"></view>
      <view class="dropdown-popup dropdown-popup-right" v-if="isOpened" @click.stop>
         <!-- select-->
         <view v-if="isSelect" class="list">
            <label class="flex-r a-i-c list-item" v-for="(item,index) in dataList" :key="index"
               @click="onItemClick($event, index)">
               <check-box class="check" :checked="item.checked" />
               <view class="checklist-content">
                  <text class="checklist-text" :style="item.styleIconText">{{item[map.text]}}</text>
               </view>
            </label>
         </view>
         <view v-if="isSelect" class="flex-r opera-area">
            <view class="flex-f btn btn-default" :class="{disable: !canReset}" @click="handleSelectReset">
               {{resource.reset}}</view>
            <view class="flex-f btn btn-submit" @click="handleSelectSubmit">{{resource.submit}}</view>
         </view>
         <!-- search -->
         <view v-if="isSearch" class="search-area">
            <input class="search-input" v-model="filterValue" />
         </view>
         <view v-if="isSearch" class="flex-r opera-area">
            <view class="flex-f btn btn-submit" @click="handleSearchSubmit">{{resource.search}}</view>
            <view class="flex-f btn btn-default" :class="{disable: !canReset}" @click="handleSearchReset">
               {{resource.reset}}</view>
         </view>
         <!-- range -->
         <view v-if="isRange">
            <view class="input-label">{{resource.gt}}</view>
            <input class="input" v-model="gtValue" />
            <view class="input-label">{{resource.lt}}</view>
            <input class="input" v-model="ltValue" />
         </view>
         <view v-if="isRange" class="flex-r opera-area">
            <view class="flex-f btn btn-default" :class="{disable: !canReset}" @click="handleRangeReset">
               {{resource.reset}}</view>
            <view class="flex-f btn btn-submit" @click="handleRangeSubmit">{{resource.submit}}</view>
         </view>
         <!-- date -->
         <view v-if="isDate">
            <uni-datetime-picker ref="datetimepicker" :value="dateRange" type="datetimerange" return-type="timestamp" @change="datetimechange" @maskClick="timepickerclose">
               <view></view>
            </uni-datetime-picker>
         </view>
      </view>
   </view>
</template>

<script>
   import checkBox from '../uni-tr/table-checkbox.vue'

   const resource = {
      "reset": "重置",
      "search": "搜索",
      "submit": "确定",
      "filter": "筛选",
      "gt": "大于等于",
      "lt": "小于等于",
      "date": "日期范围"
   }

   const DropdownType = {
      Select: "select",
      Search: "search",
      Range: "range",
      Date: "date",
      Timestamp: "timestamp"
   }

   export default {
      name: 'FilterDropdown',
      emits:['change'],
      components: {
         checkBox
      },
      options: {
         virtualHost: true
      },
      props: {
         filterType: {
            type: String,
            default: DropdownType.Select
         },
         filterData: {
            type: Array,
            default () {
               return []
            }
         },
         mode: {
            type: String,
            default: 'default'
         },
         map: {
            type: Object,
            default () {
               return {
                  text: 'text',
                  value: 'value'
               }
            }
         }
      },
      computed: {
         canReset() {
            if (this.isSearch) {
               return this.filterValue.length > 0
            }
            if (this.isSelect) {
               return this.checkedValues.length > 0
            }
            if (this.isRange) {
               return (this.gtValue.length > 0 && this.ltValue.length > 0)
            }
            if (this.isDate) {
               return this.dateSelect.length > 0
            }
            return false
         },
         isSelect() {
            return this.filterType === DropdownType.Select
         },
         isSearch() {
            return this.filterType === DropdownType.Search
         },
         isRange() {
            return this.filterType === DropdownType.Range
         },
         isDate() {
            return (this.filterType === DropdownType.Date || this.filterType === DropdownType.Timestamp)
         }
      },
      watch: {
         filters(newVal) {
            this._copyFilters()
         },
         indeterminate(newVal) {
            this.isIndeterminate = newVal
         }
      },
      data() {
         return {
            resource,
            enabled: true,
            isOpened: false,
            dataList: [],
            filterValue: '',
            checkedValues: [],
            gtValue: '',
            ltValue: '',
            dateRange: [],
            dateSelect: []
         };
      },
      created() {
         this._copyFilters()
      },
      methods: {
         _copyFilters() {
            let dl = JSON.parse(JSON.stringify(this.filterData))
            for (let i = 0; i < dl.length; i++) {
               if (dl[i].checked === undefined) {
                  dl[i].checked = false
               }
            }
            this.dataList = dl
         },
         openPopup() {
            this.isOpened = true
            if (this.isDate) {
               this.$nextTick(() => {
                  if (!this.dateRange.length) {
                     this.resetDate()
                  }
                  this.$refs.datetimepicker.show()
               })
            }
         },
         closePopup() {
            this.isOpened = false
         },
         handleClose(e) {
            this.closePopup()
         },
         resetDate() {
            let date = new Date()
            let dateText = date.toISOString().split('T')[0]
            this.dateRange = [dateText + ' 0:00:00', dateText + ' 23:59:59']
         },
         onDropdown(e) {
            this.openPopup()
         },
         onItemClick(e, index) {
            let items = this.dataList
            let listItem = items[index]
            if (listItem.checked === undefined) {
               items[index].checked = true
            } else {
               items[index].checked = !listItem.checked
            }

            let checkvalues = []
            for (let i = 0; i < items.length; i++) {
               const item = items[i]
               if (item.checked) {
                  checkvalues.push(item.value)
               }
            }
            this.checkedValues = checkvalues
         },
         datetimechange(e) {
            this.closePopup()
            this.dateRange = e
            this.dateSelect = e
            this.$emit('change', {
               filterType: this.filterType,
               filter: e
            })
         },
         timepickerclose(e) {
            this.closePopup()
         },
         handleSelectSubmit() {
            this.closePopup()
            this.$emit('change', {
               filterType: this.filterType,
               filter: this.checkedValues
            })
         },
         handleSelectReset() {
            if (!this.canReset) {
               return;
            }
            var items = this.dataList
            for (let i = 0; i < items.length; i++) {
               let item = items[i]
               this.$set(item, 'checked', false)
            }
            this.checkedValues = []
            this.handleSelectSubmit()
         },
         handleSearchSubmit() {
            this.closePopup()
            this.$emit('change', {
               filterType: this.filterType,
               filter: this.filterValue
            })
         },
         handleSearchReset() {
            if (!this.canReset) {
               return;
            }
            this.filterValue = ''
            this.handleSearchSubmit()
         },
         handleRangeSubmit(isReset) {
            this.closePopup()
            this.$emit('change', {
               filterType: this.filterType,
               filter: isReset === true ? [] : [parseInt(this.gtValue), parseInt(this.ltValue)]
            })
         },
         handleRangeReset() {
            if (!this.canReset) {
               return;
            }
            this.gtValue = ''
            this.ltValue = ''
            this.handleRangeSubmit(true)
         }
      }
   }
</script>

<style lang="scss">
   .flex-r {
      display: flex;
      flex-direction: row;
   }

   .flex-f {
      flex: 1;
   }

   .a-i-c {
      align-items: center;
   }

   .j-c-c {
      justify-content: center;
   }

   .icon-select {
      width: 14px;
      height: 16px;
      border: solid 6px transparent;
      border-top: solid 6px #ddd;
      border-bottom: none;
      background-color: #ddd;
      background-clip: content-box;
      box-sizing: border-box;
   }

   .icon-select.active {
      background-color: #1890ff;
      border-top-color: #1890ff;
   }

   .icon-search {
      width: 12px;
      height: 16px;
      position: relative;
   }

   .icon-search-0 {
      border: 2px solid #ddd;
      border-radius: 8px;
      width: 7px;
      height: 7px;
   }

   .icon-search-1 {
      position: absolute;
      top: 8px;
      right: 0;
      width: 1px;
      height: 7px;
      background-color: #ddd;
      transform: rotate(-45deg);
   }

   .icon-search.active .icon-search-0 {
      border-color: #1890ff;
   }

   .icon-search.active .icon-search-1 {
      background-color: #1890ff;
   }

   .icon-calendar {
      color: #ddd;
      width: 14px;
      height: 16px;
   }

   .icon-calendar-0 {
      height: 4px;
      margin-top: 3px;
      margin-bottom: 1px;
      background-color: #ddd;
      border-radius: 2px 2px 1px 1px;
      position: relative;
   }
   .icon-calendar-0:before, .icon-calendar-0:after {
      content: '';
      position: absolute;
      top: -3px;
      width: 4px;
      height: 3px;
      border-radius: 1px;
      background-color: #ddd;
   }
   .icon-calendar-0:before {
      left: 2px;
   }
   .icon-calendar-0:after {
      right: 2px;
   }

   .icon-calendar-1 {
      height: 9px;
      background-color: #ddd;
      border-radius: 1px 1px 2px 2px;
   }

   .icon-calendar.active {
      color: #1890ff;
   }

   .icon-calendar.active .icon-calendar-0,
   .icon-calendar.active .icon-calendar-1,
   .icon-calendar.active .icon-calendar-0:before,
   .icon-calendar.active .icon-calendar-0:after {
      background-color: #1890ff;
   }

   .uni-filter-dropdown {
      position: relative;
      font-weight: normal;
   }

   .dropdown-popup {
      position: absolute;
      top: 100%;
      background-color: #fff;
      box-shadow: 0 3px 6px -4px #0000001f, 0 6px 16px #00000014, 0 9px 28px 8px #0000000d;
      min-width: 150px;
      z-index: 1000;
   }

   .dropdown-popup-left {
      left: 0;
   }

   .dropdown-popup-right {
      right: 0;
   }

   .uni-dropdown-cover {
      position: fixed;
      left: 0;
      top: 0;
      right: 0;
      bottom: 0;
      background-color: transparent;
      z-index: 100;
   }

   .list {
      margin-top: 5px;
      margin-bottom: 5px;
   }

   .list-item {
      padding: 5px 10px;
      text-align: left;
   }

   .list-item:hover {
      background-color: #f0f0f0;
   }

   .check {
      margin-right: 5px;
   }

   .search-area {
      padding: 10px;
   }

   .search-input {
      font-size: 12px;
      border: 1px solid #f0f0f0;
      border-radius: 3px;
      padding: 2px 5px;
      min-width: 150px;
      text-align: left;
   }

   .input-label {
      margin: 10px 10px 5px 10px;
      text-align: left;
   }

   .input {
      font-size: 12px;
      border: 1px solid #f0f0f0;
      border-radius: 3px;
      margin: 10px;
      padding: 2px 5px;
      min-width: 150px;
      text-align: left;
   }

   .opera-area {
      cursor: default;
      border-top: 1px solid #ddd;
      padding: 5px;
   }

   .opera-area .btn {
      font-size: 12px;
      border-radius: 3px;
      margin: 5px;
      padding: 4px 4px;
   }

   .btn-default {
      border: 1px solid #ddd;
   }

   .btn-default.disable {
      border-color: transparent;
   }

   .btn-submit {
      background-color: #1890ff;
      color: #ffffff;
   }
</style>