gaoshp
2024-03-23 bb130af2a7516017e584e4cc5f6fbf8ec2edbd36
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<!--
 * @Descripttion: 过滤器V2
 * @version: 2.6
 * @Author: sakuya
 * @Date: 2021年7月30日14:48:41
 * @LastEditors: sakuya
 * @LastEditTime: 2023年2月7日09:46:45
-->
 
<template>
    <div class="sc-filterBar">
        <slot :filterLength="filterObjLength" :openFilter="openFilter">
            <el-badge :value="filterObjLength" type="danger" :hidden="filterObjLength<=0">
                <el-button icon="el-icon-filter" @click="openFilter"></el-button>
            </el-badge>
        </slot>
 
        <el-drawer title="过滤器" v-model="drawer" :size="650" append-to-body>
            <el-container v-loading="saveLoading">
                <el-main style="padding:0">
                    <el-tabs class="root">
                        <el-tab-pane lazy>
                            <template #label>
                                <div class="tabs-label">过滤项</div>
                            </template>
                            <el-scrollbar>
                                <div class="sc-filter-main">
                                    <h2>设置过滤条件</h2>
                                    <div v-if="filter.length<=0"  class="nodata">
                                        没有默认过滤条件,请点击增加过滤项
                                    </div>
                                    <table v-else>
                                        <colgroup>
                                            <col width="50">
                                            <col width="140">
                                            <col v-if="showOperator" width="120">
                                            <col>
                                            <col width="40">
                                        </colgroup>
                                        <tr v-for="(item,index) in filter" :key="index">
                                            <td>
                                                <el-tag :disable-transitions="true">{{index+1}}</el-tag>
                                            </td>
                                            <td>
                                                <py-select v-model="item.field" :options="fields" :filter="filter" placeholder="过滤字段" filterable @change="fieldChange(item)">
                                                </py-select>
                                            </td>
                                            <td v-if="showOperator">
                                                <el-select v-model="item.operator" placeholder="运算符">
                                                    <el-option v-for="ope in item.field.operators || operator" :key="ope.value" :label="ope.label" :value="ope.value"></el-option>
                                                </el-select>
                                            </td>
                                            <td>
                                                <el-input v-if="!item.field.type" v-model="item.value" placeholder="请选择过滤字段" disabled></el-input>
                                                <!-- 输入框 -->
                                                <el-input v-if="item.field.type=='text'" v-model="item.value" :placeholder="item.field.placeholder||'请输入'"></el-input>
                                                <!-- 下拉框 -->
                                                <el-select v-if="item.field.type=='select'" v-model="item.value" :placeholder="item.field.placeholder||'请选择'" filterable :multiple="item.field.extend.multiple" :loading="item.selectLoading" @visible-change="visibleChange($event, item)" :remote="item.field.extend.remote" :remote-method="(query)=>{remoteMethod(query, item)}">
                                                    <el-option v-for="field in item.field.extend.data" :key="field.value" :label="field.label" :value="field.value"></el-option>
                                                </el-select>
                                                <!-- 日期 -->
                                                <el-date-picker v-if="item.field.type=='date'" v-model="item.value" type="date" value-format="YYYY-MM-DD" :placeholder="item.field.placeholder||'请选择日期'" style="width: 100%;"></el-date-picker>
                                                <!-- 日期范围 -->
                                                <el-date-picker v-if="item.field.type=='daterange'" v-model="item.value" type="daterange" value-format="YYYY-MM-DD"  start-placeholder="开始日期" end-placeholder="结束日期" style="width: 100%;"></el-date-picker>
                                                <!-- 日期时间 -->
                                                <el-date-picker v-if="item.field.type=='datetime'" v-model="item.value" type="datetime" value-format="YYYY-MM-DD HH:mm:ss" :placeholder="item.field.placeholder||'请选择日期'" style="width: 100%;"></el-date-picker>
                                                <!-- 日期时间范围 -->
                                                <el-date-picker v-if="item.field.type=='datetimerange'" v-model="item.value" type="datetimerange" value-format="YYYY-MM-DD HH:mm:ss" start-placeholder="开始日期" end-placeholder="结束日期" style="width: 100%;"></el-date-picker>
                                                <!-- 自定义日期 -->
                                                <el-date-picker v-if="item.field.type=='customDate'" v-model="item.value" :type="item.field.extend.dateType||'date'" :value-format="item.field.extend.valueFormat" :placeholder="item.field.placeholder||'请选择'" start-placeholder="开始日期" end-placeholder="结束日期" style="width: 100%;"></el-date-picker>
                                                <!-- 开关 -->
                                                <el-switch v-if="item.field.type=='switch'" v-model="item.value" active-value="1" inactive-value="0"></el-switch>
                                                <!-- 标签 -->
                                                <el-select v-if="item.field.type=='tags'" v-model="item.value" multiple filterable allow-create default-first-option no-data-text="输入关键词后按回车确认" :placeholder="item.field.placeholder||'请输入'"></el-select>
                                            </td>
                                            <td>
                                                <el-icon class="del" @click="delFilter(index)"><el-icon-delete /></el-icon>
                                            </td>
                                        </tr>
                                    </table>
                                    <el-button type="primary" text icon="el-icon-plus" @click="addFilter">增加过滤项</el-button>
                                </div>
                            </el-scrollbar>
                        </el-tab-pane>
                        <el-tab-pane lazy>
                            <template #label>
                                <div class="tabs-label">常用</div>
                            </template>
                            <el-scrollbar>
                                <my ref="my" :data="myFilter" :filterName="filterName" @selectMyfilter="selectMyfilter"></my>
                            </el-scrollbar>
                        </el-tab-pane>
                    </el-tabs>
                </el-main>
                <el-footer>
                    <el-button type="primary" @click="ok" :disabled="filter.length<=0">立即过滤</el-button>
                    <el-button type="primary" plain @click="saveMy" :disabled="filter.length<=0">另存为常用</el-button>
                    <el-button @click="clear">清空过滤</el-button>
                </el-footer>
            </el-container>
        </el-drawer>
    </div>
</template>
 
<script>
    import config from "@/config/filterBar"
    import pySelect from './pySelect'
    import my from './my'
 
    export default {
        name: 'filterBar',
        components: {
            pySelect,
            my
        },
        props: {
            filterName: { type: String, default: "" },
            showOperator: { type: Boolean, default: true },
            options: { type: Object, default: () => {} }
        },
        emits: ['filterChange'],
        data() {
            return {
                drawer: false,
                operator: config.operator,
                fields: this.options,
                filter: [],
                myFilter: [],
                filterObjLength: 0,
                saveLoading: false
            }
        },
        computed: {
            filterObj(){
                const obj = {}
                this.filter.forEach((item) => {
                    obj[item.field.value] = this.showOperator ? `${item.value}${config.separator}${item.operator}` : `${item.value}`
                })
                return obj
            }
        },
        mounted(){
            //默认显示的过滤项
            this.fields.forEach((item) => {
                if(item.selected){
                    this.filter.push({
                        field: item,
                        operator: item.operator || 'include',
                        value: ''
                    })
                }
            })
        },
        methods: {
            //打开过滤器
            openFilter(){
                this.drawer = true
            },
            //增加过滤项
            addFilter(){
                //下一组新增过滤
                var filterArr = this.fields.filter(field => !this.filter.some(item => field.value == item.field.value && !item.field.repeat))
                if(this.fields.length<=0 || filterArr.length<=0){
                    this.$message.warning('无过滤项');
                    return false
                }
                const filterNum = filterArr[0]
                this.filter.push({
                    field: filterNum,
                    operator: filterNum.operator || 'include',
                    value: ''
                })
            },
            //删除过滤项
            delFilter(index){
                this.filter.splice(index, 1)
            },
            //过滤项字段变更事件
            fieldChange(tr){
                let oldType = tr.field.type
                tr.field.type = ''
                this.$nextTick(() => {
                    tr.field.type = oldType
                })
                tr.operator = tr.field.operator || 'include'
                tr.value = ''
            },
            //下拉框显示事件处理异步
            async visibleChange(isopen, item){
                if(isopen && item.field.extend.request && !item.field.extend.remote){
                    item.selectLoading = true;
                    try {
                        var data = await item.field.extend.request()
                    }catch (error) {
                        console.log(error);
                    }
                    item.field.extend.data = data;
                    item.selectLoading = false;
                }
            },
            //下拉框显示事件处理异步搜索
            async remoteMethod(query, item){
                if(!item.field.extend.request) {
                    return false;
                }
                if(query !== ''){
                    item.selectLoading = true;
                    try {
                    var data = await item.field.extend.request(query);
                    }catch (error) {
                        console.log(error);
                    }
                    item.field.extend.data = data;
                    item.selectLoading = false;
                }else{
                    item.field.extend.data = [];
                }
            },
            //选择常用过滤
            selectMyfilter(item){
                //常用过滤回显当前过滤项
                this.filter = []
                this.fields.forEach((field) => {
                    var filterValue = item.filterObj[field.value]
                    if(filterValue){
                        var operator = filterValue.split("|")[1]
                        var value = filterValue.split("|")[0]
                        if(field.type=='select' && field.extend.multiple){
                            value = value.split(",")
                        }else if(field.type=='daterange'){
                            value = value.split(",")
                        }
                        this.filter.push({
                            field: field,
                            operator: operator,
                            value:  value
                        })
                    }
                })
                this.filterObjLength = Object.keys(item.filterObj).length
                this.$emit('filterChange',item.filterObj)
                this.drawer = false
            },
            //立即过滤
            ok(){
                this.filterObjLength = this.filter.length
                this.$emit('filterChange',this.filterObj)
                this.drawer = false
            },
            //保存常用
            saveMy(){
                this.$prompt('常用过滤名称', '另存为常用', {
                    inputPlaceholder: '请输入识别度较高的常用过滤名称',
                    inputPattern: /\S/,
                    inputErrorMessage: '名称不能为空'
                })
                .then(async ({ value }) => {
                    this.saveLoading = true
                    const saveObj = {
                        title: value,
                        filterObj: this.filterObj
                    }
                    try {
                        var save = await config.saveMy(this.filterName, saveObj)
                    }catch (error) {
                        this.saveLoading = false
                        console.log(error);
                        return false
                    }
                    if(!save){
                        return false
                    }
 
                    this.myFilter.push(saveObj)
                    this.$message.success(`${this.filterName} 保存常用成功`)
                    this.saveLoading = false
                })
                .catch(() => {
                    //
                })
            },
            //清空过滤
            clear(){
                this.filter = []
                this.filterObjLength = 0
                this.$emit('filterChange',this.filterObj)
            }
        }
    }
</script>
 
<style scoped>
    .tabs-label {padding:0 20px;}
 
    .nodata {height:46px;line-height: 46px;margin:15px 0;border: 1px dashed #e6e6e6;color: #999;text-align: center;border-radius: 3px;}
 
    .sc-filter-main {padding:20px;border-bottom: 1px solid #e6e6e6;background: #fff;}
    .sc-filter-main h2 {font-size: 12px;color: #999;font-weight: normal;}
    .sc-filter-main table {width: 100%;margin: 15px 0;}
    .sc-filter-main table tr {}
    .sc-filter-main table td {padding:5px 10px 5px 0;}
    .sc-filter-main table td:deep(.el-input .el-input__inner)  {vertical-align: top;}
    .sc-filter-main table td .el-select {display: block;}
    .sc-filter-main table td .el-date-editor.el-input {display: block;width: 100%;}
    .sc-filter-main table td .del {background: #fff;color: #999;width: 32px;height: 32px;line-height: 32px;text-align: center;border-radius:50%;font-size: 12px;cursor: pointer;}
    .sc-filter-main table td .del:hover {background: #F56C6C;color: #fff;}
 
    .root {display: flex;height: 100%;flex-direction: column}
    .root:deep(.el-tabs__header) {margin: 0;}
    .root:deep(.el-tabs__content) {flex: 1;background: #f6f8f9;}
    .root:deep(.el-tabs__content) .el-tab-pane{overflow: auto;height:100%;}
 
    .dark .root:deep(.el-tabs__content) {background: var(--el-bg-color-overlay);}
    .dark .sc-filter-main {background: var(--el-bg-color);border-color:var(--el-border-color-light);}
    .dark .sc-filter-main table td .del {background: none;}
    .dark .sc-filter-main table td .del:hover {background: #F56C6C;}
    .dark .nodata {border-color:var(--el-border-color-light);}
</style>